xref: /external/vulkan-validation-layers/layers/core_validation.cpp

/* Copyright (c) 2015-2016 The Khronos Group Inc.
 * Copyright (c) 2015-2016 Valve Corporation
 * Copyright (c) 2015-2016 LunarG, Inc.
 * Copyright (C) 2015-2016 Google Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and/or associated documentation files (the "Materials"), to
 * deal in the Materials without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Materials, and to permit persons to whom the Materials
 * are furnished to do so, subject to the following conditions:
 *
 * The above copyright notice(s) and this permission notice shall be included
 * in all copies or substantial portions of the Materials.
 *
 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
 * USE OR OTHER DEALINGS IN THE MATERIALS
 *
 * Author: Cody Northrop <cnorthrop@google.com>
 * Author: Michael Lentine <mlentine@google.com>
 * Author: Tobin Ehlis <tobine@google.com>
 * Author: Chia-I Wu <olv@google.com>
 * Author: Chris Forbes <chrisf@ijw.co.nz>
 * Author: Mark Lobodzinski <mark@lunarg.com>
 * Author: Ian Elliott <ianelliott@google.com>
 */

// Allow use of STL min and max functions in Windows
#define NOMINMAX

// Turn on mem_tracker merged code
#define MTMERGESOURCE 1

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <unordered_map>
#include <unordered_set>
#include <map>
#include <string>
#include <iostream>
#include <algorithm>
#include <list>
#include <SPIRV/spirv.hpp>
#include <set>

#include "vk_loader_platform.h"
#include "vk_dispatch_table_helper.h"
#include "vk_struct_string_helper_cpp.h"
#if defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wwrite-strings"
#endif
#if defined(__GNUC__)
#pragma GCC diagnostic warning "-Wwrite-strings"
#endif
#include "vk_struct_size_helper.h"
#include "core_validation.h"
#include "vk_layer_config.h"
#include "vk_layer_table.h"
#include "vk_layer_data.h"
#include "vk_layer_logging.h"
#include "vk_layer_extension_utils.h"
#include "vk_layer_utils.h"

#if defined __ANDROID__
#include <android/log.h>
#define LOGCONSOLE(...) ((void)__android_log_print(ANDROID_LOG_INFO, "DS", __VA_ARGS__))
#else
#define LOGCONSOLE(...) printf(__VA_ARGS__)
#endif

using std::unordered_map;
using std::unordered_set;

#if MTMERGESOURCE
// WSI Image Objects bypass usual Image Object creation methods.  A special Memory
// Object value will be used to identify them internally.
static const VkDeviceMemory MEMTRACKER_SWAP_CHAIN_IMAGE_KEY = (VkDeviceMemory)(-1);
#endif
// Track command pools and their command buffers
struct CMD_POOL_INFO {
    VkCommandPoolCreateFlags createFlags;
    uint32_t queueFamilyIndex;
    list<VkCommandBuffer> commandBuffers; // list container of cmd buffers allocated from this pool
};

struct devExts {
    VkBool32 wsi_enabled;
    unordered_map<VkSwapchainKHR, SWAPCHAIN_NODE *> swapchainMap;
    unordered_map<VkImage, VkSwapchainKHR> imageToSwapchainMap;
};

// fwd decls
struct shader_module;

struct layer_data {
    debug_report_data *report_data;
    std::vector<VkDebugReportCallbackEXT> logging_callback;
    VkLayerDispatchTable *device_dispatch_table;
    VkLayerInstanceDispatchTable *instance_dispatch_table;
#if MTMERGESOURCE
// MTMERGESOURCE - stuff pulled directly from MT
    uint64_t currentFenceId;
    // Maps for tracking key structs related to mem_tracker state
    // Images and Buffers are 2 objects that can have memory bound to them so they get special treatment
    unordered_map<uint64_t, MT_OBJ_BINDING_INFO> imageBindingMap;
    unordered_map<uint64_t, MT_OBJ_BINDING_INFO> bufferBindingMap;
// MTMERGESOURCE - End of MT stuff
#endif
    devExts device_extensions;
    unordered_set<VkQueue> queues;  // all queues under given device
    // Global set of all cmdBuffers that are inFlight on this device
    unordered_set<VkCommandBuffer> globalInFlightCmdBuffers;
    // Layer specific data
    unordered_map<VkSampler, unique_ptr<SAMPLER_NODE>> sampleMap;
    unordered_map<VkImageView, VkImageViewCreateInfo> imageViewMap;
    unordered_map<VkImage, IMAGE_NODE> imageMap;
    unordered_map<VkBufferView, VkBufferViewCreateInfo> bufferViewMap;
    unordered_map<VkBuffer, BUFFER_NODE> bufferMap;
    unordered_map<VkPipeline, PIPELINE_NODE *> pipelineMap;
    unordered_map<VkCommandPool, CMD_POOL_INFO> commandPoolMap;
    unordered_map<VkDescriptorPool, DESCRIPTOR_POOL_NODE *> descriptorPoolMap;
    unordered_map<VkDescriptorSet, SET_NODE *> setMap;
    unordered_map<VkDescriptorSetLayout, LAYOUT_NODE *> descriptorSetLayoutMap;
    unordered_map<VkPipelineLayout, PIPELINE_LAYOUT_NODE> pipelineLayoutMap;
    unordered_map<VkDeviceMemory, DEVICE_MEM_INFO> memObjMap;
    unordered_map<VkFence, FENCE_NODE> fenceMap;
    unordered_map<VkQueue, QUEUE_NODE> queueMap;
    unordered_map<VkEvent, EVENT_NODE> eventMap;
    unordered_map<QueryObject, bool> queryToStateMap;
    unordered_map<VkQueryPool, QUERY_POOL_NODE> queryPoolMap;
    unordered_map<VkSemaphore, SEMAPHORE_NODE> semaphoreMap;
    unordered_map<VkCommandBuffer, GLOBAL_CB_NODE *> commandBufferMap;
    unordered_map<VkFramebuffer, FRAMEBUFFER_NODE> frameBufferMap;
    unordered_map<VkImage, vector<ImageSubresourcePair>> imageSubresourceMap;
    unordered_map<ImageSubresourcePair, IMAGE_LAYOUT_NODE> imageLayoutMap;
    unordered_map<VkRenderPass, RENDER_PASS_NODE *> renderPassMap;
    unordered_map<VkShaderModule, unique_ptr<shader_module>> shaderModuleMap;
    // Current render pass
    VkRenderPassBeginInfo renderPassBeginInfo;
    uint32_t currentSubpass;
    VkDevice device;

    // Device specific data
    PHYS_DEV_PROPERTIES_NODE physDevProperties;
// MTMERGESOURCE - added a couple of fields to constructor initializer
    layer_data()
        : report_data(nullptr), device_dispatch_table(nullptr), instance_dispatch_table(nullptr),
#if MTMERGESOURCE
        currentFenceId(1),
#endif
        device_extensions(){};
};

static const VkLayerProperties cv_global_layers[] = {{
    "VK_LAYER_LUNARG_core_validation", VK_LAYER_API_VERSION, 1, "LunarG Validation Layer",
}};

template <class TCreateInfo> void ValidateLayerOrdering(const TCreateInfo &createInfo) {
    bool foundLayer = false;
    for (uint32_t i = 0; i < createInfo.enabledLayerCount; ++i) {
        if (!strcmp(createInfo.ppEnabledLayerNames[i], cv_global_layers[0].layerName)) {
            foundLayer = true;
        }
        // This has to be logged to console as we don't have a callback at this point.
        if (!foundLayer && !strcmp(createInfo.ppEnabledLayerNames[0], "VK_LAYER_GOOGLE_unique_objects")) {
            LOGCONSOLE("Cannot activate layer VK_LAYER_GOOGLE_unique_objects prior to activating %s.",
                       cv_global_layers[0].layerName);
        }
    }
}

// Code imported from shader_checker
static void build_def_index(shader_module *);

// A forward iterator over spirv instructions. Provides easy access to len, opcode, and content words
// without the caller needing to care too much about the physical SPIRV module layout.
struct spirv_inst_iter {
    std::vector<uint32_t>::const_iterator zero;
    std::vector<uint32_t>::const_iterator it;

    uint32_t len() { return *it >> 16; }
    uint32_t opcode() { return *it & 0x0ffffu; }
    uint32_t const &word(unsigned n) { return it[n]; }
    uint32_t offset() { return (uint32_t)(it - zero); }

    spirv_inst_iter() {}

    spirv_inst_iter(std::vector<uint32_t>::const_iterator zero, std::vector<uint32_t>::const_iterator it) : zero(zero), it(it) {}

    bool operator==(spirv_inst_iter const &other) { return it == other.it; }

    bool operator!=(spirv_inst_iter const &other) { return it != other.it; }

    spirv_inst_iter operator++(int) { /* x++ */
        spirv_inst_iter ii = *this;
        it += len();
        return ii;
    }

    spirv_inst_iter operator++() { /* ++x; */
        it += len();
        return *this;
    }

    /* The iterator and the value are the same thing. */
    spirv_inst_iter &operator*() { return *this; }
    spirv_inst_iter const &operator*() const { return *this; }
};

struct shader_module {
    /* the spirv image itself */
    vector<uint32_t> words;
    /* a mapping of <id> to the first word of its def. this is useful because walking type
     * trees, constant expressions, etc requires jumping all over the instruction stream.
     */
    unordered_map<unsigned, unsigned> def_index;

    shader_module(VkShaderModuleCreateInfo const *pCreateInfo)
        : words((uint32_t *)pCreateInfo->pCode, (uint32_t *)pCreateInfo->pCode + pCreateInfo->codeSize / sizeof(uint32_t)),
          def_index() {

        build_def_index(this);
    }

    /* expose begin() / end() to enable range-based for */
    spirv_inst_iter begin() const { return spirv_inst_iter(words.begin(), words.begin() + 5); } /* first insn */
    spirv_inst_iter end() const { return spirv_inst_iter(words.begin(), words.end()); }         /* just past last insn */
    /* given an offset into the module, produce an iterator there. */
    spirv_inst_iter at(unsigned offset) const { return spirv_inst_iter(words.begin(), words.begin() + offset); }

    /* gets an iterator to the definition of an id */
    spirv_inst_iter get_def(unsigned id) const {
        auto it = def_index.find(id);
        if (it == def_index.end()) {
            return end();
        }
        return at(it->second);
    }
};

// TODO : Do we need to guard access to layer_data_map w/ lock?
static unordered_map<void *, layer_data *> layer_data_map;

// TODO : This can be much smarter, using separate locks for separate global data
static int globalLockInitialized = 0;
static loader_platform_thread_mutex globalLock;
#if MTMERGESOURCE
// MTMERGESOURCE - start of direct pull
static VkPhysicalDeviceMemoryProperties memProps;

static void clear_cmd_buf_and_mem_references(layer_data *my_data, const VkCommandBuffer cb);

#define MAX_BINDING 0xFFFFFFFF

static MT_OBJ_BINDING_INFO *get_object_binding_info(layer_data *my_data, uint64_t handle, VkDebugReportObjectTypeEXT type) {
    MT_OBJ_BINDING_INFO *retValue = NULL;
    switch (type) {
    case VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT: {
        auto it = my_data->imageBindingMap.find(handle);
        if (it != my_data->imageBindingMap.end())
            return &(*it).second;
        break;
    }
    case VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT: {
        auto it = my_data->bufferBindingMap.find(handle);
        if (it != my_data->bufferBindingMap.end())
            return &(*it).second;
        break;
    }
    default:
        break;
    }
    return retValue;
}
// MTMERGESOURCE - end section
#endif
template layer_data *get_my_data_ptr<layer_data>(void *data_key, std::unordered_map<void *, layer_data *> &data_map);

// prototype
static GLOBAL_CB_NODE *getCBNode(layer_data *, const VkCommandBuffer);

#if MTMERGESOURCE
static void delete_queue_info_list(layer_data *my_data) {
    // Process queue list, cleaning up each entry before deleting
    my_data->queueMap.clear();
}

// Delete CBInfo from container and clear mem references to CB
static void delete_cmd_buf_info(layer_data *my_data, VkCommandPool commandPool, const VkCommandBuffer cb) {
    clear_cmd_buf_and_mem_references(my_data, cb);
    // Delete the CBInfo info
    my_data->commandPoolMap[commandPool].commandBuffers.remove(cb);
    my_data->commandBufferMap.erase(cb);
}

static void add_object_binding_info(layer_data *my_data, const uint64_t handle, const VkDebugReportObjectTypeEXT type,
                                    const VkDeviceMemory mem) {
    switch (type) {
    // Buffers and images are unique as their CreateInfo is in container struct
    case VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT: {
        auto pCI = &my_data->bufferBindingMap[handle];
        pCI->mem = mem;
        break;
    }
    case VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT: {
        auto pCI = &my_data->imageBindingMap[handle];
        pCI->mem = mem;
        break;
    }
    default:
        break;
    }
}

static void add_object_create_info(layer_data *my_data, const uint64_t handle, const VkDebugReportObjectTypeEXT type,
                                   const void *pCreateInfo) {
    // TODO : For any CreateInfo struct that has ptrs, need to deep copy them and appropriately clean up on Destroy
    switch (type) {
    // Buffers and images are unique as their CreateInfo is in container struct
    case VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT: {
        auto pCI = &my_data->bufferBindingMap[handle];
        memset(pCI, 0, sizeof(MT_OBJ_BINDING_INFO));
        memcpy(&pCI->create_info.buffer, pCreateInfo, sizeof(VkBufferCreateInfo));
        break;
    }
    case VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT: {
        auto pCI = &my_data->imageBindingMap[handle];
        memset(pCI, 0, sizeof(MT_OBJ_BINDING_INFO));
        memcpy(&pCI->create_info.image, pCreateInfo, sizeof(VkImageCreateInfo));
        break;
    }
    // Swap Chain is very unique, use my_data->imageBindingMap, but copy in
    // SwapChainCreatInfo's usage flags and set the mem value to a unique key. These is used by
    // vkCreateImageView and internal mem_tracker routines to distinguish swap chain images
    case VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT: {
        auto pCI = &my_data->imageBindingMap[handle];
        memset(pCI, 0, sizeof(MT_OBJ_BINDING_INFO));
        pCI->mem = MEMTRACKER_SWAP_CHAIN_IMAGE_KEY;
        pCI->valid = false;
        pCI->create_info.image.usage =
            const_cast<VkSwapchainCreateInfoKHR *>(static_cast<const VkSwapchainCreateInfoKHR *>(pCreateInfo))->imageUsage;
        break;
    }
    default:
        break;
    }
}

// Add a fence, creating one if necessary to our list of fences/fenceIds
static VkBool32 add_fence_info(layer_data *my_data, VkFence fence, VkQueue queue, uint64_t *fenceId) {
    VkBool32 skipCall = VK_FALSE;
    *fenceId = my_data->currentFenceId++;

    // If no fence, create an internal fence to track the submissions
    if (fence != VK_NULL_HANDLE) {
        my_data->fenceMap[fence].fenceId = *fenceId;
        my_data->fenceMap[fence].queue = queue;
        // Validate that fence is in UNSIGNALED state
        VkFenceCreateInfo *pFenceCI = &(my_data->fenceMap[fence].createInfo);
        if (pFenceCI->flags & VK_FENCE_CREATE_SIGNALED_BIT) {
            skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_FENCE_EXT,
                               (uint64_t)fence, __LINE__, MEMTRACK_INVALID_FENCE_STATE, "MEM",
                               "Fence %#" PRIxLEAST64 " submitted in SIGNALED state.  Fences must be reset before being submitted",
                               (uint64_t)fence);
        }
    } else {
        // TODO : Do we need to create an internal fence here for tracking purposes?
    }
    // Update most recently submitted fence and fenceId for Queue
    my_data->queueMap[queue].lastSubmittedId = *fenceId;
    return skipCall;
}

// Remove a fenceInfo from our list of fences/fenceIds
static void delete_fence_info(layer_data *my_data, VkFence fence) { my_data->fenceMap.erase(fence); }

// Record information when a fence is known to be signalled
static void update_fence_tracking(layer_data *my_data, VkFence fence) {
    auto fence_item = my_data->fenceMap.find(fence);
    if (fence_item != my_data->fenceMap.end()) {
        FENCE_NODE *pCurFenceInfo = &(*fence_item).second;
        VkQueue queue = pCurFenceInfo->queue;
        auto queue_item = my_data->queueMap.find(queue);
        if (queue_item != my_data->queueMap.end()) {
            QUEUE_NODE *pQueueInfo = &(*queue_item).second;
            if (pQueueInfo->lastRetiredId < pCurFenceInfo->fenceId) {
                pQueueInfo->lastRetiredId = pCurFenceInfo->fenceId;
            }
        }
    }

    // Update fence state in fenceCreateInfo structure
    auto pFCI = &(my_data->fenceMap[fence].createInfo);
    pFCI->flags = static_cast<VkFenceCreateFlags>(pFCI->flags | VK_FENCE_CREATE_SIGNALED_BIT);
}

// Helper routine that updates the fence list for a specific queue to all-retired
static void retire_queue_fences(layer_data *my_data, VkQueue queue) {
    QUEUE_NODE *pQueueInfo = &my_data->queueMap[queue];
    // Set queue's lastRetired to lastSubmitted indicating all fences completed
    pQueueInfo->lastRetiredId = pQueueInfo->lastSubmittedId;
}

// Helper routine that updates all queues to all-retired
static void retire_device_fences(layer_data *my_data, VkDevice device) {
    // Process each queue for device
    // TODO: Add multiple device support
    for (auto ii = my_data->queueMap.begin(); ii != my_data->queueMap.end(); ++ii) {
        // Set queue's lastRetired to lastSubmitted indicating all fences completed
        QUEUE_NODE *pQueueInfo = &(*ii).second;
        pQueueInfo->lastRetiredId = pQueueInfo->lastSubmittedId;
    }
}

// Helper function to validate correct usage bits set for buffers or images
//  Verify that (actual & desired) flags != 0 or,
//   if strict is true, verify that (actual & desired) flags == desired
//  In case of error, report it via dbg callbacks
static VkBool32 validate_usage_flags(layer_data *my_data, void *disp_obj, VkFlags actual, VkFlags desired, VkBool32 strict,
                                     uint64_t obj_handle, VkDebugReportObjectTypeEXT obj_type, char const *ty_str,
                                     char const *func_name, char const *usage_str) {
    VkBool32 correct_usage = VK_FALSE;
    VkBool32 skipCall = VK_FALSE;
    if (strict)
        correct_usage = ((actual & desired) == desired);
    else
        correct_usage = ((actual & desired) != 0);
    if (!correct_usage) {
        skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, obj_type, obj_handle, __LINE__,
                           MEMTRACK_INVALID_USAGE_FLAG, "MEM", "Invalid usage flag for %s %#" PRIxLEAST64
                                                               " used by %s. In this case, %s should have %s set during creation.",
                           ty_str, obj_handle, func_name, ty_str, usage_str);
    }
    return skipCall;
}

// Helper function to validate usage flags for images
// Pulls image info and then sends actual vs. desired usage off to helper above where
//  an error will be flagged if usage is not correct
static VkBool32 validate_image_usage_flags(layer_data *my_data, void *disp_obj, VkImage image, VkFlags desired, VkBool32 strict,
                                           char const *func_name, char const *usage_string) {
    VkBool32 skipCall = VK_FALSE;
    MT_OBJ_BINDING_INFO *pBindInfo = get_object_binding_info(my_data, (uint64_t)image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT);
    if (pBindInfo) {
        skipCall = validate_usage_flags(my_data, disp_obj, pBindInfo->create_info.image.usage, desired, strict, (uint64_t)image,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, "image", func_name, usage_string);
    }
    return skipCall;
}

// Helper function to validate usage flags for buffers
// Pulls buffer info and then sends actual vs. desired usage off to helper above where
//  an error will be flagged if usage is not correct
static VkBool32 validate_buffer_usage_flags(layer_data *my_data, void *disp_obj, VkBuffer buffer, VkFlags desired, VkBool32 strict,
                                            char const *func_name, char const *usage_string) {
    VkBool32 skipCall = VK_FALSE;
    MT_OBJ_BINDING_INFO *pBindInfo = get_object_binding_info(my_data, (uint64_t)buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT);
    if (pBindInfo) {
        skipCall = validate_usage_flags(my_data, disp_obj, pBindInfo->create_info.buffer.usage, desired, strict, (uint64_t)buffer,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, "buffer", func_name, usage_string);
    }
    return skipCall;
}

// Return ptr to info in map container containing mem, or NULL if not found
//  Calls to this function should be wrapped in mutex
static DEVICE_MEM_INFO *get_mem_obj_info(layer_data *dev_data, const VkDeviceMemory mem) {
    auto item = dev_data->memObjMap.find(mem);
    if (item != dev_data->memObjMap.end()) {
        return &(*item).second;
    } else {
        return NULL;
    }
}

static void add_mem_obj_info(layer_data *my_data, void *object, const VkDeviceMemory mem,
                             const VkMemoryAllocateInfo *pAllocateInfo) {
    assert(object != NULL);

    memcpy(&my_data->memObjMap[mem].allocInfo, pAllocateInfo, sizeof(VkMemoryAllocateInfo));
    // TODO:  Update for real hardware, actually process allocation info structures
    my_data->memObjMap[mem].allocInfo.pNext = NULL;
    my_data->memObjMap[mem].object = object;
    my_data->memObjMap[mem].mem = mem;
    my_data->memObjMap[mem].image = VK_NULL_HANDLE;
    my_data->memObjMap[mem].memRange.offset = 0;
    my_data->memObjMap[mem].memRange.size = 0;
    my_data->memObjMap[mem].pData = 0;
    my_data->memObjMap[mem].pDriverData = 0;
    my_data->memObjMap[mem].valid = false;
}

static VkBool32 validate_memory_is_valid(layer_data *dev_data, VkDeviceMemory mem, const char *functionName,
                                         VkImage image = VK_NULL_HANDLE) {
    if (mem == MEMTRACKER_SWAP_CHAIN_IMAGE_KEY) {
        MT_OBJ_BINDING_INFO *pBindInfo =
            get_object_binding_info(dev_data, reinterpret_cast<const uint64_t &>(image), VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT);
        if (pBindInfo && !pBindInfo->valid) {
            return log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                           (uint64_t)(mem), __LINE__, MEMTRACK_INVALID_USAGE_FLAG, "MEM",
                           "%s: Cannot read invalid swapchain image %" PRIx64 ", please fill the memory before using.",
                           functionName, (uint64_t)(image));
        }
    } else {
        DEVICE_MEM_INFO *pMemObj = get_mem_obj_info(dev_data, mem);
        if (pMemObj && !pMemObj->valid) {
            return log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                           (uint64_t)(mem), __LINE__, MEMTRACK_INVALID_USAGE_FLAG, "MEM",
                           "%s: Cannot read invalid memory %" PRIx64 ", please fill the memory before using.", functionName,
                           (uint64_t)(mem));
        }
    }
    return false;
}

static void set_memory_valid(layer_data *dev_data, VkDeviceMemory mem, bool valid, VkImage image = VK_NULL_HANDLE) {
    if (mem == MEMTRACKER_SWAP_CHAIN_IMAGE_KEY) {
        MT_OBJ_BINDING_INFO *pBindInfo =
            get_object_binding_info(dev_data, reinterpret_cast<const uint64_t &>(image), VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT);
        if (pBindInfo) {
            pBindInfo->valid = valid;
        }
    } else {
        DEVICE_MEM_INFO *pMemObj = get_mem_obj_info(dev_data, mem);
        if (pMemObj) {
            pMemObj->valid = valid;
        }
    }
}

// Find CB Info and add mem reference to list container
// Find Mem Obj Info and add CB reference to list container
static VkBool32 update_cmd_buf_and_mem_references(layer_data *dev_data, const VkCommandBuffer cb, const VkDeviceMemory mem,
                                                  const char *apiName) {
    VkBool32 skipCall = VK_FALSE;

    // Skip validation if this image was created through WSI
    if (mem != MEMTRACKER_SWAP_CHAIN_IMAGE_KEY) {

        // First update CB binding in MemObj mini CB list
        DEVICE_MEM_INFO *pMemInfo = get_mem_obj_info(dev_data, mem);
        if (pMemInfo) {
            pMemInfo->commandBufferBindings.insert(cb);
            // Now update CBInfo's Mem reference list
            GLOBAL_CB_NODE *pCBNode = getCBNode(dev_data, cb);
            // TODO: keep track of all destroyed CBs so we know if this is a stale or simply invalid object
            if (pCBNode) {
                pCBNode->memObjs.insert(mem);
            }
        }
    }
    return skipCall;
}

// Free bindings related to CB
static void clear_cmd_buf_and_mem_references(layer_data *dev_data, const VkCommandBuffer cb) {
    GLOBAL_CB_NODE *pCBNode = getCBNode(dev_data, cb);

    if (pCBNode) {
        if (pCBNode->memObjs.size() > 0) {
            for (auto mem : pCBNode->memObjs) {
                DEVICE_MEM_INFO *pInfo = get_mem_obj_info(dev_data, mem);
                if (pInfo) {
                    pInfo->commandBufferBindings.erase(cb);
                }
            }
            pCBNode->memObjs.clear();
        }
        pCBNode->validate_functions.clear();
    }
}

// Delete the entire CB list
static void delete_cmd_buf_info_list(layer_data *my_data) {
    for (auto &cb_node : my_data->commandBufferMap) {
        clear_cmd_buf_and_mem_references(my_data, cb_node.first);
    }
    my_data->commandBufferMap.clear();
}

// For given MemObjInfo, report Obj & CB bindings
static VkBool32 reportMemReferencesAndCleanUp(layer_data *dev_data, DEVICE_MEM_INFO *pMemObjInfo) {
    VkBool32 skipCall = VK_FALSE;
    size_t cmdBufRefCount = pMemObjInfo->commandBufferBindings.size();
    size_t objRefCount = pMemObjInfo->objBindings.size();

    if ((pMemObjInfo->commandBufferBindings.size()) != 0) {
        skipCall = log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                           (uint64_t)pMemObjInfo->mem, __LINE__, MEMTRACK_FREED_MEM_REF, "MEM",
                           "Attempting to free memory object %#" PRIxLEAST64 " which still contains " PRINTF_SIZE_T_SPECIFIER
                           " references",
                           (uint64_t)pMemObjInfo->mem, (cmdBufRefCount + objRefCount));
    }

    if (cmdBufRefCount > 0 && pMemObjInfo->commandBufferBindings.size() > 0) {
        for (auto cb : pMemObjInfo->commandBufferBindings) {
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                    (uint64_t)cb, __LINE__, MEMTRACK_FREED_MEM_REF, "MEM",
                    "Command Buffer %p still has a reference to mem obj %#" PRIxLEAST64, cb, (uint64_t)pMemObjInfo->mem);
        }
        // Clear the list of hanging references
        pMemObjInfo->commandBufferBindings.clear();
    }

    if (objRefCount > 0 && pMemObjInfo->objBindings.size() > 0) {
        for (auto obj : pMemObjInfo->objBindings) {
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, obj.type, obj.handle, __LINE__,
                    MEMTRACK_FREED_MEM_REF, "MEM", "VK Object %#" PRIxLEAST64 " still has a reference to mem obj %#" PRIxLEAST64,
                    obj.handle, (uint64_t)pMemObjInfo->mem);
        }
        // Clear the list of hanging references
        pMemObjInfo->objBindings.clear();
    }
    return skipCall;
}

static VkBool32 deleteMemObjInfo(layer_data *my_data, void *object, VkDeviceMemory mem) {
    VkBool32 skipCall = VK_FALSE;
    auto item = my_data->memObjMap.find(mem);
    if (item != my_data->memObjMap.end()) {
        my_data->memObjMap.erase(item);
    } else {
        skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                           (uint64_t)mem, __LINE__, MEMTRACK_INVALID_MEM_OBJ, "MEM",
                           "Request to delete memory object %#" PRIxLEAST64 " not present in memory Object Map", (uint64_t)mem);
    }
    return skipCall;
}

// Check if fence for given CB is completed
static bool checkCBCompleted(layer_data *my_data, const VkCommandBuffer cb, bool *complete) {
    GLOBAL_CB_NODE *pCBNode = getCBNode(my_data, cb);
    VkBool32 skipCall = false;
    *complete = true;

    if (pCBNode) {
        if (pCBNode->lastSubmittedQueue != NULL) {
            VkQueue queue = pCBNode->lastSubmittedQueue;
            QUEUE_NODE *pQueueInfo = &my_data->queueMap[queue];
            if (pCBNode->fenceId > pQueueInfo->lastRetiredId) {
                skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT,
                                   VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, (uint64_t)cb, __LINE__, MEMTRACK_NONE, "MEM",
                                   "fence %#" PRIxLEAST64 " for CB %p has not been checked for completion",
                                   (uint64_t)pCBNode->lastSubmittedFence, cb);
                *complete = false;
            }
        }
    }
    return skipCall;
}

static VkBool32 freeMemObjInfo(layer_data *dev_data, void *object, VkDeviceMemory mem, VkBool32 internal) {
    VkBool32 skipCall = VK_FALSE;
    // Parse global list to find info w/ mem
    DEVICE_MEM_INFO *pInfo = get_mem_obj_info(dev_data, mem);
    if (pInfo) {
        if (pInfo->allocInfo.allocationSize == 0 && !internal) {
            // TODO: Verify against Valid Use section
            skipCall = log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                               (uint64_t)mem, __LINE__, MEMTRACK_INVALID_MEM_OBJ, "MEM",
                               "Attempting to free memory associated with a Persistent Image, %#" PRIxLEAST64 ", "
                               "this should not be explicitly freed\n",
                               (uint64_t)mem);
        } else {
            // Clear any CB bindings for completed CBs
            //   TODO : Is there a better place to do this?

            assert(pInfo->object != VK_NULL_HANDLE);
            // clear_cmd_buf_and_mem_references removes elements from
            // pInfo->commandBufferBindings -- this copy not needed in c++14,
            // and probably not needed in practice in c++11
            auto bindings = pInfo->commandBufferBindings;
            for (auto cb : bindings) {
                bool commandBufferComplete = false;
                skipCall |= checkCBCompleted(dev_data, cb, &commandBufferComplete);
                if (commandBufferComplete) {
                    clear_cmd_buf_and_mem_references(dev_data, cb);
                }
            }

            // Now verify that no references to this mem obj remain and remove bindings
            if (pInfo->commandBufferBindings.size() || pInfo->objBindings.size()) {
                skipCall |= reportMemReferencesAndCleanUp(dev_data, pInfo);
            }
            // Delete mem obj info
            skipCall |= deleteMemObjInfo(dev_data, object, mem);
        }
    }
    return skipCall;
}

static const char *object_type_to_string(VkDebugReportObjectTypeEXT type) {
    switch (type) {
    case VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT:
        return "image";
    case VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT:
        return "buffer";
    case VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT:
        return "swapchain";
    default:
        return "unknown";
    }
}

// Remove object binding performs 3 tasks:
// 1. Remove ObjectInfo from MemObjInfo list container of obj bindings & free it
// 2. Clear mem binding for image/buffer by setting its handle to 0
// TODO : This only applied to Buffer, Image, and Swapchain objects now, how should it be updated/customized?
static VkBool32 clear_object_binding(layer_data *dev_data, void *dispObj, uint64_t handle, VkDebugReportObjectTypeEXT type) {
    // TODO : Need to customize images/buffers/swapchains to track mem binding and clear it here appropriately
    VkBool32 skipCall = VK_FALSE;
    MT_OBJ_BINDING_INFO *pObjBindInfo = get_object_binding_info(dev_data, handle, type);
    if (pObjBindInfo) {
        DEVICE_MEM_INFO *pMemObjInfo = get_mem_obj_info(dev_data, pObjBindInfo->mem);
        // TODO : Make sure this is a reasonable way to reset mem binding
        pObjBindInfo->mem = VK_NULL_HANDLE;
        if (pMemObjInfo) {
            // This obj is bound to a memory object. Remove the reference to this object in that memory object's list,
            // and set the objects memory binding pointer to NULL.
            if (!pMemObjInfo->objBindings.erase({handle, type})) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, type, handle, __LINE__, MEMTRACK_INVALID_OBJECT,
                            "MEM", "While trying to clear mem binding for %s obj %#" PRIxLEAST64
                                   ", unable to find that object referenced by mem obj %#" PRIxLEAST64,
                            object_type_to_string(type), handle, (uint64_t)pMemObjInfo->mem);
            }
        }
    }
    return skipCall;
}

// For NULL mem case, output warning
// Make sure given object is in global object map
//  IF a previous binding existed, output validation error
//  Otherwise, add reference from objectInfo to memoryInfo
//  Add reference off of objInfo
//  device is required for error logging, need a dispatchable
//  object for that.
static VkBool32 set_mem_binding(layer_data *dev_data, void *dispatch_object, VkDeviceMemory mem, uint64_t handle,
                                VkDebugReportObjectTypeEXT type, const char *apiName) {
    VkBool32 skipCall = VK_FALSE;
    // Handle NULL case separately, just clear previous binding & decrement reference
    if (mem == VK_NULL_HANDLE) {
        // TODO: Verify against Valid Use section of spec.
        skipCall = log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, type, handle, __LINE__, MEMTRACK_INVALID_MEM_OBJ,
                           "MEM", "In %s, attempting to Bind Obj(%#" PRIxLEAST64 ") to NULL", apiName, handle);
    } else {
        MT_OBJ_BINDING_INFO *pObjBindInfo = get_object_binding_info(dev_data, handle, type);
        if (!pObjBindInfo) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, type, handle, __LINE__, MEMTRACK_MISSING_MEM_BINDINGS,
                        "MEM", "In %s, attempting to update Binding of %s Obj(%#" PRIxLEAST64 ") that's not in global list",
                        object_type_to_string(type), apiName, handle);
        } else {
            // non-null case so should have real mem obj
            DEVICE_MEM_INFO *pMemInfo = get_mem_obj_info(dev_data, mem);
            if (pMemInfo) {
                // TODO : Need to track mem binding for obj and report conflict here
                DEVICE_MEM_INFO *pPrevBinding = get_mem_obj_info(dev_data, pObjBindInfo->mem);
                if (pPrevBinding != NULL) {
                    skipCall |=
                        log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                                (uint64_t)mem, __LINE__, MEMTRACK_REBIND_OBJECT, "MEM",
                                "In %s, attempting to bind memory (%#" PRIxLEAST64 ") to object (%#" PRIxLEAST64
                                ") which has already been bound to mem object %#" PRIxLEAST64,
                                apiName, (uint64_t)mem, handle, (uint64_t)pPrevBinding->mem);
                } else {
                    pMemInfo->objBindings.insert({handle, type});
                    // For image objects, make sure default memory state is correctly set
                    // TODO : What's the best/correct way to handle this?
                    if (VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT == type) {
                        VkImageCreateInfo ici = pObjBindInfo->create_info.image;
                        if (ici.usage & (VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
                            // TODO::  More memory state transition stuff.
                        }
                    }
                    pObjBindInfo->mem = mem;
                }
            }
        }
    }
    return skipCall;
}

// For NULL mem case, clear any previous binding Else...
// Make sure given object is in its object map
//  IF a previous binding existed, update binding
//  Add reference from objectInfo to memoryInfo
//  Add reference off of object's binding info
// Return VK_TRUE if addition is successful, VK_FALSE otherwise
static VkBool32 set_sparse_mem_binding(layer_data *dev_data, void *dispObject, VkDeviceMemory mem, uint64_t handle,
                                       VkDebugReportObjectTypeEXT type, const char *apiName) {
    VkBool32 skipCall = VK_FALSE;
    // Handle NULL case separately, just clear previous binding & decrement reference
    if (mem == VK_NULL_HANDLE) {
        skipCall = clear_object_binding(dev_data, dispObject, handle, type);
    } else {
        MT_OBJ_BINDING_INFO *pObjBindInfo = get_object_binding_info(dev_data, handle, type);
        if (!pObjBindInfo) {
            skipCall |= log_msg(
                dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, type, handle, __LINE__, MEMTRACK_MISSING_MEM_BINDINGS, "MEM",
                "In %s, attempting to update Binding of Obj(%#" PRIxLEAST64 ") that's not in global list()", apiName, handle);
        }
        // non-null case so should have real mem obj
        DEVICE_MEM_INFO *pInfo = get_mem_obj_info(dev_data, mem);
        if (pInfo) {
            pInfo->objBindings.insert({handle, type});
            // Need to set mem binding for this object
            pObjBindInfo->mem = mem;
        }
    }
    return skipCall;
}

template <typename T>
void print_object_map_members(layer_data *my_data, void *dispObj, T const &objectName, VkDebugReportObjectTypeEXT objectType,
                              const char *objectStr) {
    for (auto const &element : objectName) {
        log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, objectType, 0, __LINE__, MEMTRACK_NONE, "MEM",
                "    %s Object list contains %s Object %#" PRIxLEAST64 " ", objectStr, objectStr, element.first);
    }
}

// For given Object, get 'mem' obj that it's bound to or NULL if no binding
static VkBool32 get_mem_binding_from_object(layer_data *my_data, void *dispObj, const uint64_t handle,
                                            const VkDebugReportObjectTypeEXT type, VkDeviceMemory *mem) {
    VkBool32 skipCall = VK_FALSE;
    *mem = VK_NULL_HANDLE;
    MT_OBJ_BINDING_INFO *pObjBindInfo = get_object_binding_info(my_data, handle, type);
    if (pObjBindInfo) {
        if (pObjBindInfo->mem) {
            *mem = pObjBindInfo->mem;
        } else {
            skipCall =
                log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, type, handle, __LINE__, MEMTRACK_MISSING_MEM_BINDINGS,
                        "MEM", "Trying to get mem binding for object %#" PRIxLEAST64 " but object has no mem binding", handle);
        }
    } else {
        skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, type, handle, __LINE__, MEMTRACK_INVALID_OBJECT,
                           "MEM", "Trying to get mem binding for object %#" PRIxLEAST64 " but no such object in %s list", handle,
                           object_type_to_string(type));
    }
    return skipCall;
}

// Print details of MemObjInfo list
static void print_mem_list(layer_data *dev_data, void *dispObj) {
    DEVICE_MEM_INFO *pInfo = NULL;

    // Early out if info is not requested
    if (!(dev_data->report_data->active_flags & VK_DEBUG_REPORT_INFORMATION_BIT_EXT)) {
        return;
    }

    // Just printing each msg individually for now, may want to package these into single large print
    log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0, __LINE__,
            MEMTRACK_NONE, "MEM", "Details of Memory Object list (of size " PRINTF_SIZE_T_SPECIFIER " elements)",
            dev_data->memObjMap.size());
    log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0, __LINE__,
            MEMTRACK_NONE, "MEM", "=============================");

    if (dev_data->memObjMap.size() <= 0)
        return;

    for (auto ii = dev_data->memObjMap.begin(); ii != dev_data->memObjMap.end(); ++ii) {
        pInfo = &(*ii).second;

        log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                __LINE__, MEMTRACK_NONE, "MEM", "    ===MemObjInfo at %p===", (void *)pInfo);
        log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                __LINE__, MEMTRACK_NONE, "MEM", "    Mem object: %#" PRIxLEAST64, (uint64_t)(pInfo->mem));
        log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                __LINE__, MEMTRACK_NONE, "MEM", "    Ref Count: " PRINTF_SIZE_T_SPECIFIER,
                pInfo->commandBufferBindings.size() + pInfo->objBindings.size());
        if (0 != pInfo->allocInfo.allocationSize) {
            string pAllocInfoMsg = vk_print_vkmemoryallocateinfo(&pInfo->allocInfo, "MEM(INFO):         ");
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                    __LINE__, MEMTRACK_NONE, "MEM", "    Mem Alloc info:\n%s", pAllocInfoMsg.c_str());
        } else {
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                    __LINE__, MEMTRACK_NONE, "MEM", "    Mem Alloc info is NULL (alloc done by vkCreateSwapchainKHR())");
        }

        log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                __LINE__, MEMTRACK_NONE, "MEM", "    VK OBJECT Binding list of size " PRINTF_SIZE_T_SPECIFIER " elements:",
                pInfo->objBindings.size());
        if (pInfo->objBindings.size() > 0) {
            for (auto obj : pInfo->objBindings) {
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                        0, __LINE__, MEMTRACK_NONE, "MEM", "       VK OBJECT %" PRIu64, obj.handle);
            }
        }

        log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                __LINE__, MEMTRACK_NONE, "MEM",
                "    VK Command Buffer (CB) binding list of size " PRINTF_SIZE_T_SPECIFIER " elements",
                pInfo->commandBufferBindings.size());
        if (pInfo->commandBufferBindings.size() > 0) {
            for (auto cb : pInfo->commandBufferBindings) {
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                        0, __LINE__, MEMTRACK_NONE, "MEM", "      VK CB %p", cb);
            }
        }
    }
}

static void printCBList(layer_data *my_data, void *dispObj) {
    GLOBAL_CB_NODE *pCBInfo = NULL;

    // Early out if info is not requested
    if (!(my_data->report_data->active_flags & VK_DEBUG_REPORT_INFORMATION_BIT_EXT)) {
        return;
    }

    log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0, __LINE__,
            MEMTRACK_NONE, "MEM", "Details of CB list (of size " PRINTF_SIZE_T_SPECIFIER " elements)",
            my_data->commandBufferMap.size());
    log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0, __LINE__,
            MEMTRACK_NONE, "MEM", "==================");

    if (my_data->commandBufferMap.size() <= 0)
        return;

    for (auto &cb_node : my_data->commandBufferMap) {
        pCBInfo = cb_node.second;

        log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                __LINE__, MEMTRACK_NONE, "MEM", "    CB Info (%p) has CB %p, fenceId %" PRIx64 ", and fence %#" PRIxLEAST64,
                (void *)pCBInfo, (void *)pCBInfo->commandBuffer, pCBInfo->fenceId, (uint64_t)pCBInfo->lastSubmittedFence);

        if (pCBInfo->memObjs.size() <= 0)
            continue;
        for (auto obj : pCBInfo->memObjs) {
            log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, 0,
                    __LINE__, MEMTRACK_NONE, "MEM", "      Mem obj %" PRIu64, (uint64_t)obj);
        }
    }
}

#endif

// Return a string representation of CMD_TYPE enum
static string cmdTypeToString(CMD_TYPE cmd) {
    switch (cmd) {
    case CMD_BINDPIPELINE:
        return "CMD_BINDPIPELINE";
    case CMD_BINDPIPELINEDELTA:
        return "CMD_BINDPIPELINEDELTA";
    case CMD_SETVIEWPORTSTATE:
        return "CMD_SETVIEWPORTSTATE";
    case CMD_SETLINEWIDTHSTATE:
        return "CMD_SETLINEWIDTHSTATE";
    case CMD_SETDEPTHBIASSTATE:
        return "CMD_SETDEPTHBIASSTATE";
    case CMD_SETBLENDSTATE:
        return "CMD_SETBLENDSTATE";
    case CMD_SETDEPTHBOUNDSSTATE:
        return "CMD_SETDEPTHBOUNDSSTATE";
    case CMD_SETSTENCILREADMASKSTATE:
        return "CMD_SETSTENCILREADMASKSTATE";
    case CMD_SETSTENCILWRITEMASKSTATE:
        return "CMD_SETSTENCILWRITEMASKSTATE";
    case CMD_SETSTENCILREFERENCESTATE:
        return "CMD_SETSTENCILREFERENCESTATE";
    case CMD_BINDDESCRIPTORSETS:
        return "CMD_BINDDESCRIPTORSETS";
    case CMD_BINDINDEXBUFFER:
        return "CMD_BINDINDEXBUFFER";
    case CMD_BINDVERTEXBUFFER:
        return "CMD_BINDVERTEXBUFFER";
    case CMD_DRAW:
        return "CMD_DRAW";
    case CMD_DRAWINDEXED:
        return "CMD_DRAWINDEXED";
    case CMD_DRAWINDIRECT:
        return "CMD_DRAWINDIRECT";
    case CMD_DRAWINDEXEDINDIRECT:
        return "CMD_DRAWINDEXEDINDIRECT";
    case CMD_DISPATCH:
        return "CMD_DISPATCH";
    case CMD_DISPATCHINDIRECT:
        return "CMD_DISPATCHINDIRECT";
    case CMD_COPYBUFFER:
        return "CMD_COPYBUFFER";
    case CMD_COPYIMAGE:
        return "CMD_COPYIMAGE";
    case CMD_BLITIMAGE:
        return "CMD_BLITIMAGE";
    case CMD_COPYBUFFERTOIMAGE:
        return "CMD_COPYBUFFERTOIMAGE";
    case CMD_COPYIMAGETOBUFFER:
        return "CMD_COPYIMAGETOBUFFER";
    case CMD_CLONEIMAGEDATA:
        return "CMD_CLONEIMAGEDATA";
    case CMD_UPDATEBUFFER:
        return "CMD_UPDATEBUFFER";
    case CMD_FILLBUFFER:
        return "CMD_FILLBUFFER";
    case CMD_CLEARCOLORIMAGE:
        return "CMD_CLEARCOLORIMAGE";
    case CMD_CLEARATTACHMENTS:
        return "CMD_CLEARCOLORATTACHMENT";
    case CMD_CLEARDEPTHSTENCILIMAGE:
        return "CMD_CLEARDEPTHSTENCILIMAGE";
    case CMD_RESOLVEIMAGE:
        return "CMD_RESOLVEIMAGE";
    case CMD_SETEVENT:
        return "CMD_SETEVENT";
    case CMD_RESETEVENT:
        return "CMD_RESETEVENT";
    case CMD_WAITEVENTS:
        return "CMD_WAITEVENTS";
    case CMD_PIPELINEBARRIER:
        return "CMD_PIPELINEBARRIER";
    case CMD_BEGINQUERY:
        return "CMD_BEGINQUERY";
    case CMD_ENDQUERY:
        return "CMD_ENDQUERY";
    case CMD_RESETQUERYPOOL:
        return "CMD_RESETQUERYPOOL";
    case CMD_COPYQUERYPOOLRESULTS:
        return "CMD_COPYQUERYPOOLRESULTS";
    case CMD_WRITETIMESTAMP:
        return "CMD_WRITETIMESTAMP";
    case CMD_INITATOMICCOUNTERS:
        return "CMD_INITATOMICCOUNTERS";
    case CMD_LOADATOMICCOUNTERS:
        return "CMD_LOADATOMICCOUNTERS";
    case CMD_SAVEATOMICCOUNTERS:
        return "CMD_SAVEATOMICCOUNTERS";
    case CMD_BEGINRENDERPASS:
        return "CMD_BEGINRENDERPASS";
    case CMD_ENDRENDERPASS:
        return "CMD_ENDRENDERPASS";
    default:
        return "UNKNOWN";
    }
}

// SPIRV utility functions
static void build_def_index(shader_module *module) {
    for (auto insn : *module) {
        switch (insn.opcode()) {
        /* Types */
        case spv::OpTypeVoid:
        case spv::OpTypeBool:
        case spv::OpTypeInt:
        case spv::OpTypeFloat:
        case spv::OpTypeVector:
        case spv::OpTypeMatrix:
        case spv::OpTypeImage:
        case spv::OpTypeSampler:
        case spv::OpTypeSampledImage:
        case spv::OpTypeArray:
        case spv::OpTypeRuntimeArray:
        case spv::OpTypeStruct:
        case spv::OpTypeOpaque:
        case spv::OpTypePointer:
        case spv::OpTypeFunction:
        case spv::OpTypeEvent:
        case spv::OpTypeDeviceEvent:
        case spv::OpTypeReserveId:
        case spv::OpTypeQueue:
        case spv::OpTypePipe:
            module->def_index[insn.word(1)] = insn.offset();
            break;

        /* Fixed constants */
        case spv::OpConstantTrue:
        case spv::OpConstantFalse:
        case spv::OpConstant:
        case spv::OpConstantComposite:
        case spv::OpConstantSampler:
        case spv::OpConstantNull:
            module->def_index[insn.word(2)] = insn.offset();
            break;

        /* Specialization constants */
        case spv::OpSpecConstantTrue:
        case spv::OpSpecConstantFalse:
        case spv::OpSpecConstant:
        case spv::OpSpecConstantComposite:
        case spv::OpSpecConstantOp:
            module->def_index[insn.word(2)] = insn.offset();
            break;

        /* Variables */
        case spv::OpVariable:
            module->def_index[insn.word(2)] = insn.offset();
            break;

        /* Functions */
        case spv::OpFunction:
            module->def_index[insn.word(2)] = insn.offset();
            break;

        default:
            /* We don't care about any other defs for now. */
            break;
        }
    }
}

static spirv_inst_iter find_entrypoint(shader_module *src, char const *name, VkShaderStageFlagBits stageBits) {
    for (auto insn : *src) {
        if (insn.opcode() == spv::OpEntryPoint) {
            auto entrypointName = (char const *)&insn.word(3);
            auto entrypointStageBits = 1u << insn.word(1);

            if (!strcmp(entrypointName, name) && (entrypointStageBits & stageBits)) {
                return insn;
            }
        }
    }

    return src->end();
}

bool shader_is_spirv(VkShaderModuleCreateInfo const *pCreateInfo) {
    uint32_t *words = (uint32_t *)pCreateInfo->pCode;
    size_t sizeInWords = pCreateInfo->codeSize / sizeof(uint32_t);

    /* Just validate that the header makes sense. */
    return sizeInWords >= 5 && words[0] == spv::MagicNumber && words[1] == spv::Version;
}

static char const *storage_class_name(unsigned sc) {
    switch (sc) {
    case spv::StorageClassInput:
        return "input";
    case spv::StorageClassOutput:
        return "output";
    case spv::StorageClassUniformConstant:
        return "const uniform";
    case spv::StorageClassUniform:
        return "uniform";
    case spv::StorageClassWorkgroup:
        return "workgroup local";
    case spv::StorageClassCrossWorkgroup:
        return "workgroup global";
    case spv::StorageClassPrivate:
        return "private global";
    case spv::StorageClassFunction:
        return "function";
    case spv::StorageClassGeneric:
        return "generic";
    case spv::StorageClassAtomicCounter:
        return "atomic counter";
    case spv::StorageClassImage:
        return "image";
    case spv::StorageClassPushConstant:
        return "push constant";
    default:
        return "unknown";
    }
}

/* get the value of an integral constant */
unsigned get_constant_value(shader_module const *src, unsigned id) {
    auto value = src->get_def(id);
    assert(value != src->end());

    if (value.opcode() != spv::OpConstant) {
        /* TODO: Either ensure that the specialization transform is already performed on a module we're
            considering here, OR -- specialize on the fly now.
            */
        return 1;
    }

    return value.word(3);
}


static void describe_type_inner(std::ostringstream &ss, shader_module const *src, unsigned type) {
    auto insn = src->get_def(type);
    assert(insn != src->end());

    switch (insn.opcode()) {
    case spv::OpTypeBool:
        ss << "bool";
        break;
    case spv::OpTypeInt:
        ss << (insn.word(3) ? 's' : 'u') << "int" << insn.word(2);
        break;
    case spv::OpTypeFloat:
        ss << "float" << insn.word(2);
        break;
    case spv::OpTypeVector:
        ss << "vec" << insn.word(3) << " of ";
        describe_type_inner(ss, src, insn.word(2));
        break;
    case spv::OpTypeMatrix:
        ss << "mat" << insn.word(3) << " of ";
        describe_type_inner(ss, src, insn.word(2));
        break;
    case spv::OpTypeArray:
        ss << "arr[" << get_constant_value(src, insn.word(3)) << "] of ";
        describe_type_inner(ss, src, insn.word(2));
        break;
    case spv::OpTypePointer:
        ss << "ptr to " << storage_class_name(insn.word(2)) << " ";
        describe_type_inner(ss, src, insn.word(3));
        break;
    case spv::OpTypeStruct: {
        ss << "struct of (";
        for (unsigned i = 2; i < insn.len(); i++) {
            describe_type_inner(ss, src, insn.word(i));
            if (i == insn.len() - 1) {
                ss << ")";
            } else {
                ss << ", ";
            }
        }
        break;
    }
    case spv::OpTypeSampler:
        ss << "sampler";
        break;
    case spv::OpTypeSampledImage:
        ss << "sampler+";
        describe_type_inner(ss, src, insn.word(2));
        break;
    case spv::OpTypeImage:
        ss << "image(dim=" << insn.word(3) << ", sampled=" << insn.word(7) << ")";
        break;
    default:
        ss << "oddtype";
        break;
    }
}


static std::string describe_type(shader_module const *src, unsigned type) {
    std::ostringstream ss;
    describe_type_inner(ss, src, type);
    return ss.str();
}


static bool types_match(shader_module const *a, shader_module const *b, unsigned a_type, unsigned b_type, bool a_arrayed, bool b_arrayed) {
    /* walk two type trees together, and complain about differences */
    auto a_insn = a->get_def(a_type);
    auto b_insn = b->get_def(b_type);
    assert(a_insn != a->end());
    assert(b_insn != b->end());

    if (a_arrayed && a_insn.opcode() == spv::OpTypeArray) {
        return types_match(a, b, a_insn.word(2), b_type, false, b_arrayed);
    }

    if (b_arrayed && b_insn.opcode() == spv::OpTypeArray) {
        /* we probably just found the extra level of arrayness in b_type: compare the type inside it to a_type */
        return types_match(a, b, a_type, b_insn.word(2), a_arrayed, false);
    }

    if (a_insn.opcode() != b_insn.opcode()) {
        return false;
    }

    if (a_insn.opcode() == spv::OpTypePointer) {
        /* match on pointee type. storage class is expected to differ */
        return types_match(a, b, a_insn.word(3), b_insn.word(3), a_arrayed, b_arrayed);
    }

    if (a_arrayed || b_arrayed) {
        /* if we havent resolved array-of-verts by here, we're not going to. */
        return false;
    }

    switch (a_insn.opcode()) {
    case spv::OpTypeBool:
        return true;
    case spv::OpTypeInt:
        /* match on width, signedness */
        return a_insn.word(2) == b_insn.word(2) && a_insn.word(3) == b_insn.word(3);
    case spv::OpTypeFloat:
        /* match on width */
        return a_insn.word(2) == b_insn.word(2);
    case spv::OpTypeVector:
    case spv::OpTypeMatrix:
        /* match on element type, count. these all have the same layout. */
        return types_match(a, b, a_insn.word(2), b_insn.word(2), a_arrayed, b_arrayed) && a_insn.word(3) == b_insn.word(3);
    case spv::OpTypeArray:
        /* match on element type, count. these all have the same layout. we don't get here if
         * b_arrayed. This differs from vector & matrix types in that the array size is the id of a constant instruction,
         * not a literal within OpTypeArray */
        return types_match(a, b, a_insn.word(2), b_insn.word(2), a_arrayed, b_arrayed) &&
               get_constant_value(a, a_insn.word(3)) == get_constant_value(b, b_insn.word(3));
    case spv::OpTypeStruct:
        /* match on all element types */
        {
            if (a_insn.len() != b_insn.len()) {
                return false; /* structs cannot match if member counts differ */
            }

            for (unsigned i = 2; i < a_insn.len(); i++) {
                if (!types_match(a, b, a_insn.word(i), b_insn.word(i), a_arrayed, b_arrayed)) {
                    return false;
                }
            }

            return true;
        }
    default:
        /* remaining types are CLisms, or may not appear in the interfaces we
         * are interested in. Just claim no match.
         */
        return false;
    }
}

static int value_or_default(std::unordered_map<unsigned, unsigned> const &map, unsigned id, int def) {
    auto it = map.find(id);
    if (it == map.end())
        return def;
    else
        return it->second;
}

static unsigned get_locations_consumed_by_type(shader_module const *src, unsigned type, bool strip_array_level) {
    auto insn = src->get_def(type);
    assert(insn != src->end());

    switch (insn.opcode()) {
    case spv::OpTypePointer:
        /* see through the ptr -- this is only ever at the toplevel for graphics shaders;
         * we're never actually passing pointers around. */
        return get_locations_consumed_by_type(src, insn.word(3), strip_array_level);
    case spv::OpTypeArray:
        if (strip_array_level) {
            return get_locations_consumed_by_type(src, insn.word(2), false);
        } else {
            return get_constant_value(src, insn.word(3)) * get_locations_consumed_by_type(src, insn.word(2), false);
        }
    case spv::OpTypeMatrix:
        /* num locations is the dimension * element size */
        return insn.word(3) * get_locations_consumed_by_type(src, insn.word(2), false);
    default:
        /* everything else is just 1. */
        return 1;

        /* TODO: extend to handle 64bit scalar types, whose vectors may need
         * multiple locations. */
    }
}

typedef std::pair<unsigned, unsigned> location_t;
typedef std::pair<unsigned, unsigned> descriptor_slot_t;

struct interface_var {
    uint32_t id;
    uint32_t type_id;
    uint32_t offset;
    bool is_patch;
    /* TODO: collect the name, too? Isn't required to be present. */
};

struct shader_stage_attributes {
    char const *const name;
    bool arrayed_input;
    bool arrayed_output;
};

static shader_stage_attributes shader_stage_attribs[] = {
    {"vertex shader", false, false},
    {"tessellation control shader", true, true},
    {"tessellation evaluation shader", true, false},
    {"geometry shader", true, false},
    {"fragment shader", false, false},
};

static spirv_inst_iter get_struct_type(shader_module const *src, spirv_inst_iter def, bool is_array_of_verts) {
    while (true) {

        if (def.opcode() == spv::OpTypePointer) {
            def = src->get_def(def.word(3));
        } else if (def.opcode() == spv::OpTypeArray && is_array_of_verts) {
            def = src->get_def(def.word(2));
            is_array_of_verts = false;
        } else if (def.opcode() == spv::OpTypeStruct) {
            return def;
        } else {
            return src->end();
        }
    }
}

static void collect_interface_block_members(layer_data *my_data, shader_module const *src,
                                            std::map<location_t, interface_var> &out,
                                            std::unordered_map<unsigned, unsigned> const &blocks, bool is_array_of_verts,
                                            uint32_t id, uint32_t type_id, bool is_patch) {
    /* Walk down the type_id presented, trying to determine whether it's actually an interface block. */
    auto type = get_struct_type(src, src->get_def(type_id), is_array_of_verts && !is_patch);
    if (type == src->end() || blocks.find(type.word(1)) == blocks.end()) {
        /* this isn't an interface block. */
        return;
    }

    std::unordered_map<unsigned, unsigned> member_components;

    /* Walk all the OpMemberDecorate for type's result id -- first pass, collect components. */
    for (auto insn : *src) {
        if (insn.opcode() == spv::OpMemberDecorate && insn.word(1) == type.word(1)) {
            unsigned member_index = insn.word(2);

            if (insn.word(3) == spv::DecorationComponent) {
                unsigned component = insn.word(4);
                member_components[member_index] = component;
            }
        }
    }

    /* Second pass -- produce the output, from Location decorations */
    for (auto insn : *src) {
        if (insn.opcode() == spv::OpMemberDecorate && insn.word(1) == type.word(1)) {
            unsigned member_index = insn.word(2);
            unsigned member_type_id = type.word(2 + member_index);

            if (insn.word(3) == spv::DecorationLocation) {
                unsigned location = insn.word(4);
                unsigned num_locations = get_locations_consumed_by_type(src, member_type_id, false);
                auto component_it = member_components.find(member_index);
                unsigned component = component_it == member_components.end() ? 0 : component_it->second;

                for (unsigned int offset = 0; offset < num_locations; offset++) {
                    interface_var v;
                    v.id = id;
                    /* TODO: member index in interface_var too? */
                    v.type_id = member_type_id;
                    v.offset = offset;
                    v.is_patch = is_patch;
                    out[std::make_pair(location + offset, component)] = v;
                }
            }
        }
    }
}

static void collect_interface_by_location(layer_data *my_data, shader_module const *src, spirv_inst_iter entrypoint,
                                          spv::StorageClass sinterface, std::map<location_t, interface_var> &out,
                                          bool is_array_of_verts) {
    std::unordered_map<unsigned, unsigned> var_locations;
    std::unordered_map<unsigned, unsigned> var_builtins;
    std::unordered_map<unsigned, unsigned> var_components;
    std::unordered_map<unsigned, unsigned> blocks;
    std::unordered_map<unsigned, unsigned> var_patch;

    for (auto insn : *src) {

        /* We consider two interface models: SSO rendezvous-by-location, and
         * builtins. Complain about anything that fits neither model.
         */
        if (insn.opcode() == spv::OpDecorate) {
            if (insn.word(2) == spv::DecorationLocation) {
                var_locations[insn.word(1)] = insn.word(3);
            }

            if (insn.word(2) == spv::DecorationBuiltIn) {
                var_builtins[insn.word(1)] = insn.word(3);
            }

            if (insn.word(2) == spv::DecorationComponent) {
                var_components[insn.word(1)] = insn.word(3);
            }

            if (insn.word(2) == spv::DecorationBlock) {
                blocks[insn.word(1)] = 1;
            }

            if (insn.word(2) == spv::DecorationPatch) {
                var_patch[insn.word(1)] = 1;
            }
        }
    }

    /* TODO: handle grouped decorations */
    /* TODO: handle index=1 dual source outputs from FS -- two vars will
     * have the same location, and we DON'T want to clobber. */

    /* find the end of the entrypoint's name string. additional zero bytes follow the actual null
       terminator, to fill out the rest of the word - so we only need to look at the last byte in
       the word to determine which word contains the terminator. */
    uint32_t word = 3;
    while (entrypoint.word(word) & 0xff000000u) {
        ++word;
    }
    ++word;

    for (; word < entrypoint.len(); word++) {
        auto insn = src->get_def(entrypoint.word(word));
        assert(insn != src->end());
        assert(insn.opcode() == spv::OpVariable);

        if (insn.word(3) == sinterface) {
            unsigned id = insn.word(2);
            unsigned type = insn.word(1);

            int location = value_or_default(var_locations, id, -1);
            int builtin = value_or_default(var_builtins, id, -1);
            unsigned component = value_or_default(var_components, id, 0); /* unspecified is OK, is 0 */
            bool is_patch = var_patch.find(id) != var_patch.end();

            /* All variables and interface block members in the Input or Output storage classes
             * must be decorated with either a builtin or an explicit location.
             *
             * TODO: integrate the interface block support here. For now, don't complain --
             * a valid SPIRV module will only hit this path for the interface block case, as the
             * individual members of the type are decorated, rather than variable declarations.
             */

            if (location != -1) {
                /* A user-defined interface variable, with a location. Where a variable
                 * occupied multiple locations, emit one result for each. */
                unsigned num_locations = get_locations_consumed_by_type(src, type, is_array_of_verts && !is_patch);
                for (unsigned int offset = 0; offset < num_locations; offset++) {
                    interface_var v;
                    v.id = id;
                    v.type_id = type;
                    v.offset = offset;
                    v.is_patch = is_patch;
                    out[std::make_pair(location + offset, component)] = v;
                }
            } else if (builtin == -1) {
                /* An interface block instance */
                collect_interface_block_members(my_data, src, out, blocks, is_array_of_verts, id, type, is_patch);
            }
        }
    }
}

static void collect_interface_by_descriptor_slot(layer_data *my_data, shader_module const *src,
                                                 std::unordered_set<uint32_t> const &accessible_ids,
                                                 std::map<descriptor_slot_t, interface_var> &out) {

    std::unordered_map<unsigned, unsigned> var_sets;
    std::unordered_map<unsigned, unsigned> var_bindings;

    for (auto insn : *src) {
        /* All variables in the Uniform or UniformConstant storage classes are required to be decorated with both
         * DecorationDescriptorSet and DecorationBinding.
         */
        if (insn.opcode() == spv::OpDecorate) {
            if (insn.word(2) == spv::DecorationDescriptorSet) {
                var_sets[insn.word(1)] = insn.word(3);
            }

            if (insn.word(2) == spv::DecorationBinding) {
                var_bindings[insn.word(1)] = insn.word(3);
            }
        }
    }

    for (auto id : accessible_ids) {
        auto insn = src->get_def(id);
        assert(insn != src->end());

        if (insn.opcode() == spv::OpVariable &&
            (insn.word(3) == spv::StorageClassUniform || insn.word(3) == spv::StorageClassUniformConstant)) {
            unsigned set = value_or_default(var_sets, insn.word(2), 0);
            unsigned binding = value_or_default(var_bindings, insn.word(2), 0);

            auto existing_it = out.find(std::make_pair(set, binding));
            if (existing_it != out.end()) {
                /* conflict within spv image */
                log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_INCONSISTENT_SPIRV, "SC",
                        "var %d (type %d) in %s interface in descriptor slot (%u,%u) conflicts with existing definition",
                        insn.word(2), insn.word(1), storage_class_name(insn.word(3)), existing_it->first.first,
                        existing_it->first.second);
            }

            interface_var v;
            v.id = insn.word(2);
            v.type_id = insn.word(1);
            v.offset = 0;
            v.is_patch = false;
            out[std::make_pair(set, binding)] = v;
        }
    }
}

static bool validate_interface_between_stages(layer_data *my_data, shader_module const *producer,
                                              spirv_inst_iter producer_entrypoint, shader_stage_attributes const *producer_stage,
                                              shader_module const *consumer, spirv_inst_iter consumer_entrypoint,
                                              shader_stage_attributes const *consumer_stage) {
    std::map<location_t, interface_var> outputs;
    std::map<location_t, interface_var> inputs;

    bool pass = true;

    collect_interface_by_location(my_data, producer, producer_entrypoint, spv::StorageClassOutput, outputs, producer_stage->arrayed_output);
    collect_interface_by_location(my_data, consumer, consumer_entrypoint, spv::StorageClassInput, inputs, consumer_stage->arrayed_input);

    auto a_it = outputs.begin();
    auto b_it = inputs.begin();

    /* maps sorted by key (location); walk them together to find mismatches */
    while ((outputs.size() > 0 && a_it != outputs.end()) || (inputs.size() && b_it != inputs.end())) {
        bool a_at_end = outputs.size() == 0 || a_it == outputs.end();
        bool b_at_end = inputs.size() == 0 || b_it == inputs.end();
        auto a_first = a_at_end ? std::make_pair(0u, 0u) : a_it->first;
        auto b_first = b_at_end ? std::make_pair(0u, 0u) : b_it->first;

        if (b_at_end || ((!a_at_end) && (a_first < b_first))) {
            if (log_msg(my_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_OUTPUT_NOT_CONSUMED, "SC",
                        "%s writes to output location %u.%u which is not consumed by %s", producer_stage->name, a_first.first,
                        a_first.second, consumer_stage->name)) {
                pass = false;
            }
            a_it++;
        } else if (a_at_end || a_first > b_first) {
            if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_INPUT_NOT_PRODUCED, "SC",
                        "%s consumes input location %u.%u which is not written by %s", consumer_stage->name, b_first.first, b_first.second,
                        producer_stage->name)) {
                pass = false;
            }
            b_it++;
        } else {
            if (!types_match(producer, consumer, a_it->second.type_id, b_it->second.type_id,
                             producer_stage->arrayed_output && !a_it->second.is_patch,
                             consumer_stage->arrayed_input && !b_it->second.is_patch)) {
                if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                            __LINE__, SHADER_CHECKER_INTERFACE_TYPE_MISMATCH, "SC", "Type mismatch on location %u.%u: '%s' vs '%s'",
                            a_first.first, a_first.second,
                            describe_type(producer, a_it->second.type_id).c_str(),
                            describe_type(consumer, b_it->second.type_id).c_str())) {
                    pass = false;
                }
            }
            if (a_it->second.is_patch != b_it->second.is_patch) {
                if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, /*dev*/ 0,
                            __LINE__, SHADER_CHECKER_INTERFACE_TYPE_MISMATCH, "SC",
                            "Decoration mismatch on location %u.%u: is per-%s in %s stage but "
                            "per-%s in %s stage", a_first.first, a_first.second,
                            a_it->second.is_patch ? "patch" : "vertex", producer_stage->name,
                            b_it->second.is_patch ? "patch" : "vertex", consumer_stage->name)) {
                    pass = false;
                }
            }
            a_it++;
            b_it++;
        }
    }

    return pass;
}

enum FORMAT_TYPE {
    FORMAT_TYPE_UNDEFINED,
    FORMAT_TYPE_FLOAT, /* UNORM, SNORM, FLOAT, USCALED, SSCALED, SRGB -- anything we consider float in the shader */
    FORMAT_TYPE_SINT,
    FORMAT_TYPE_UINT,
};

static unsigned get_format_type(VkFormat fmt) {
    switch (fmt) {
    case VK_FORMAT_UNDEFINED:
        return FORMAT_TYPE_UNDEFINED;
    case VK_FORMAT_R8_SINT:
    case VK_FORMAT_R8G8_SINT:
    case VK_FORMAT_R8G8B8_SINT:
    case VK_FORMAT_R8G8B8A8_SINT:
    case VK_FORMAT_R16_SINT:
    case VK_FORMAT_R16G16_SINT:
    case VK_FORMAT_R16G16B16_SINT:
    case VK_FORMAT_R16G16B16A16_SINT:
    case VK_FORMAT_R32_SINT:
    case VK_FORMAT_R32G32_SINT:
    case VK_FORMAT_R32G32B32_SINT:
    case VK_FORMAT_R32G32B32A32_SINT:
    case VK_FORMAT_B8G8R8_SINT:
    case VK_FORMAT_B8G8R8A8_SINT:
    case VK_FORMAT_A2B10G10R10_SINT_PACK32:
    case VK_FORMAT_A2R10G10B10_SINT_PACK32:
        return FORMAT_TYPE_SINT;
    case VK_FORMAT_R8_UINT:
    case VK_FORMAT_R8G8_UINT:
    case VK_FORMAT_R8G8B8_UINT:
    case VK_FORMAT_R8G8B8A8_UINT:
    case VK_FORMAT_R16_UINT:
    case VK_FORMAT_R16G16_UINT:
    case VK_FORMAT_R16G16B16_UINT:
    case VK_FORMAT_R16G16B16A16_UINT:
    case VK_FORMAT_R32_UINT:
    case VK_FORMAT_R32G32_UINT:
    case VK_FORMAT_R32G32B32_UINT:
    case VK_FORMAT_R32G32B32A32_UINT:
    case VK_FORMAT_B8G8R8_UINT:
    case VK_FORMAT_B8G8R8A8_UINT:
    case VK_FORMAT_A2B10G10R10_UINT_PACK32:
    case VK_FORMAT_A2R10G10B10_UINT_PACK32:
        return FORMAT_TYPE_UINT;
    default:
        return FORMAT_TYPE_FLOAT;
    }
}

/* characterizes a SPIR-V type appearing in an interface to a FF stage,
 * for comparison to a VkFormat's characterization above. */
static unsigned get_fundamental_type(shader_module const *src, unsigned type) {
    auto insn = src->get_def(type);
    assert(insn != src->end());

    switch (insn.opcode()) {
    case spv::OpTypeInt:
        return insn.word(3) ? FORMAT_TYPE_SINT : FORMAT_TYPE_UINT;
    case spv::OpTypeFloat:
        return FORMAT_TYPE_FLOAT;
    case spv::OpTypeVector:
        return get_fundamental_type(src, insn.word(2));
    case spv::OpTypeMatrix:
        return get_fundamental_type(src, insn.word(2));
    case spv::OpTypeArray:
        return get_fundamental_type(src, insn.word(2));
    case spv::OpTypePointer:
        return get_fundamental_type(src, insn.word(3));
    default:
        return FORMAT_TYPE_UNDEFINED;
    }
}

static uint32_t get_shader_stage_id(VkShaderStageFlagBits stage) {
    uint32_t bit_pos = u_ffs(stage);
    return bit_pos - 1;
}

static bool validate_vi_consistency(layer_data *my_data, VkPipelineVertexInputStateCreateInfo const *vi) {
    /* walk the binding descriptions, which describe the step rate and stride of each vertex buffer.
     * each binding should be specified only once.
     */
    std::unordered_map<uint32_t, VkVertexInputBindingDescription const *> bindings;
    bool pass = true;

    for (unsigned i = 0; i < vi->vertexBindingDescriptionCount; i++) {
        auto desc = &vi->pVertexBindingDescriptions[i];
        auto &binding = bindings[desc->binding];
        if (binding) {
            if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_INCONSISTENT_VI, "SC",
                        "Duplicate vertex input binding descriptions for binding %d", desc->binding)) {
                pass = false;
            }
        } else {
            binding = desc;
        }
    }

    return pass;
}

static bool validate_vi_against_vs_inputs(layer_data *my_data, VkPipelineVertexInputStateCreateInfo const *vi,
                                          shader_module const *vs, spirv_inst_iter entrypoint) {
    std::map<location_t, interface_var> inputs;
    bool pass = true;

    collect_interface_by_location(my_data, vs, entrypoint, spv::StorageClassInput, inputs, false);

    /* Build index by location */
    std::map<uint32_t, VkVertexInputAttributeDescription const *> attribs;
    if (vi) {
        for (unsigned i = 0; i < vi->vertexAttributeDescriptionCount; i++)
            attribs[vi->pVertexAttributeDescriptions[i].location] = &vi->pVertexAttributeDescriptions[i];
    }

    auto it_a = attribs.begin();
    auto it_b = inputs.begin();

    while ((attribs.size() > 0 && it_a != attribs.end()) || (inputs.size() > 0 && it_b != inputs.end())) {
        bool a_at_end = attribs.size() == 0 || it_a == attribs.end();
        bool b_at_end = inputs.size() == 0 || it_b == inputs.end();
        auto a_first = a_at_end ? 0 : it_a->first;
        auto b_first = b_at_end ? 0 : it_b->first.first;
        if (!a_at_end && (b_at_end || a_first < b_first)) {
            if (log_msg(my_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_OUTPUT_NOT_CONSUMED, "SC",
                        "Vertex attribute at location %d not consumed by VS", a_first)) {
                pass = false;
            }
            it_a++;
        } else if (!b_at_end && (a_at_end || b_first < a_first)) {
            if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, /*dev*/ 0,
                        __LINE__, SHADER_CHECKER_INPUT_NOT_PRODUCED, "SC", "VS consumes input at location %d but not provided",
                        b_first)) {
                pass = false;
            }
            it_b++;
        } else {
            unsigned attrib_type = get_format_type(it_a->second->format);
            unsigned input_type = get_fundamental_type(vs, it_b->second.type_id);

            /* type checking */
            if (attrib_type != FORMAT_TYPE_UNDEFINED && input_type != FORMAT_TYPE_UNDEFINED && attrib_type != input_type) {
                if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                            __LINE__, SHADER_CHECKER_INTERFACE_TYPE_MISMATCH, "SC",
                            "Attribute type of `%s` at location %d does not match VS input type of `%s`",
                            string_VkFormat(it_a->second->format), a_first,
                            describe_type(vs, it_b->second.type_id).c_str())) {
                    pass = false;
                }
            }

            /* OK! */
            it_a++;
            it_b++;
        }
    }

    return pass;
}

static bool validate_fs_outputs_against_render_pass(layer_data *my_data, shader_module const *fs,
                                                    spirv_inst_iter entrypoint, RENDER_PASS_NODE const *rp, uint32_t subpass) {
    const std::vector<VkFormat> &color_formats = rp->subpassColorFormats[subpass];
    std::map<location_t, interface_var> outputs;
    bool pass = true;

    /* TODO: dual source blend index (spv::DecIndex, zero if not provided) */

    collect_interface_by_location(my_data, fs, entrypoint, spv::StorageClassOutput, outputs, false);

    auto it = outputs.begin();
    uint32_t attachment = 0;

    /* Walk attachment list and outputs together -- this is a little overpowered since attachments
     * are currently dense, but the parallel with matching between shader stages is nice.
     */

    while ((outputs.size() > 0 && it != outputs.end()) || attachment < color_formats.size()) {
        if (attachment == color_formats.size() || (it != outputs.end() && it->first.first < attachment)) {
            if (log_msg(my_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_OUTPUT_NOT_CONSUMED, "SC",
                        "FS writes to output location %d with no matching attachment", it->first.first)) {
                pass = false;
            }
            it++;
        } else if (it == outputs.end() || it->first.first > attachment) {
            if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_INPUT_NOT_PRODUCED, "SC", "Attachment %d not written by FS", attachment)) {
                pass = false;
            }
            attachment++;
        } else {
            unsigned output_type = get_fundamental_type(fs, it->second.type_id);
            unsigned att_type = get_format_type(color_formats[attachment]);

            /* type checking */
            if (att_type != FORMAT_TYPE_UNDEFINED && output_type != FORMAT_TYPE_UNDEFINED && att_type != output_type) {
                if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                            __LINE__, SHADER_CHECKER_INTERFACE_TYPE_MISMATCH, "SC",
                            "Attachment %d of type `%s` does not match FS output type of `%s`", attachment,
                            string_VkFormat(color_formats[attachment]),
                            describe_type(fs, it->second.type_id).c_str())) {
                    pass = false;
                }
            }

            /* OK! */
            it++;
            attachment++;
        }
    }

    return pass;
}

/* For some analyses, we need to know about all ids referenced by the static call tree of a particular
 * entrypoint. This is important for identifying the set of shader resources actually used by an entrypoint,
 * for example.
 * Note: we only explore parts of the image which might actually contain ids we care about for the above analyses.
 *  - NOT the shader input/output interfaces.
 *
 * TODO: The set of interesting opcodes here was determined by eyeballing the SPIRV spec. It might be worth
 * converting parts of this to be generated from the machine-readable spec instead.
 */
static void mark_accessible_ids(shader_module const *src, spirv_inst_iter entrypoint, std::unordered_set<uint32_t> &ids) {
    std::unordered_set<uint32_t> worklist;
    worklist.insert(entrypoint.word(2));

    while (!worklist.empty()) {
        auto id_iter = worklist.begin();
        auto id = *id_iter;
        worklist.erase(id_iter);

        auto insn = src->get_def(id);
        if (insn == src->end()) {
            /* id is something we didn't collect in build_def_index. that's OK -- we'll stumble
             * across all kinds of things here that we may not care about. */
            continue;
        }

        /* try to add to the output set */
        if (!ids.insert(id).second) {
            continue; /* if we already saw this id, we don't want to walk it again. */
        }

        switch (insn.opcode()) {
        case spv::OpFunction:
            /* scan whole body of the function, enlisting anything interesting */
            while (++insn, insn.opcode() != spv::OpFunctionEnd) {
                switch (insn.opcode()) {
                case spv::OpLoad:
                case spv::OpAtomicLoad:
                case spv::OpAtomicExchange:
                case spv::OpAtomicCompareExchange:
                case spv::OpAtomicCompareExchangeWeak:
                case spv::OpAtomicIIncrement:
                case spv::OpAtomicIDecrement:
                case spv::OpAtomicIAdd:
                case spv::OpAtomicISub:
                case spv::OpAtomicSMin:
                case spv::OpAtomicUMin:
                case spv::OpAtomicSMax:
                case spv::OpAtomicUMax:
                case spv::OpAtomicAnd:
                case spv::OpAtomicOr:
                case spv::OpAtomicXor:
                    worklist.insert(insn.word(3)); /* ptr */
                    break;
                case spv::OpStore:
                case spv::OpAtomicStore:
                    worklist.insert(insn.word(1)); /* ptr */
                    break;
                case spv::OpAccessChain:
                case spv::OpInBoundsAccessChain:
                    worklist.insert(insn.word(3)); /* base ptr */
                    break;
                case spv::OpSampledImage:
                case spv::OpImageSampleImplicitLod:
                case spv::OpImageSampleExplicitLod:
                case spv::OpImageSampleDrefImplicitLod:
                case spv::OpImageSampleDrefExplicitLod:
                case spv::OpImageSampleProjImplicitLod:
                case spv::OpImageSampleProjExplicitLod:
                case spv::OpImageSampleProjDrefImplicitLod:
                case spv::OpImageSampleProjDrefExplicitLod:
                case spv::OpImageFetch:
                case spv::OpImageGather:
                case spv::OpImageDrefGather:
                case spv::OpImageRead:
                case spv::OpImage:
                case spv::OpImageQueryFormat:
                case spv::OpImageQueryOrder:
                case spv::OpImageQuerySizeLod:
                case spv::OpImageQuerySize:
                case spv::OpImageQueryLod:
                case spv::OpImageQueryLevels:
                case spv::OpImageQuerySamples:
                case spv::OpImageSparseSampleImplicitLod:
                case spv::OpImageSparseSampleExplicitLod:
                case spv::OpImageSparseSampleDrefImplicitLod:
                case spv::OpImageSparseSampleDrefExplicitLod:
                case spv::OpImageSparseSampleProjImplicitLod:
                case spv::OpImageSparseSampleProjExplicitLod:
                case spv::OpImageSparseSampleProjDrefImplicitLod:
                case spv::OpImageSparseSampleProjDrefExplicitLod:
                case spv::OpImageSparseFetch:
                case spv::OpImageSparseGather:
                case spv::OpImageSparseDrefGather:
                case spv::OpImageTexelPointer:
                    worklist.insert(insn.word(3)); /* image or sampled image */
                    break;
                case spv::OpImageWrite:
                    worklist.insert(insn.word(1)); /* image -- different operand order to above */
                    break;
                case spv::OpFunctionCall:
                    for (uint32_t i = 3; i < insn.len(); i++) {
                        worklist.insert(insn.word(i)); /* fn itself, and all args */
                    }
                    break;

                case spv::OpExtInst:
                    for (uint32_t i = 5; i < insn.len(); i++) {
                        worklist.insert(insn.word(i)); /* operands to ext inst */
                    }
                    break;
                }
            }
            break;
        }
    }
}

static bool validate_push_constant_block_against_pipeline(layer_data *my_data,
                                                          std::vector<VkPushConstantRange> const *pushConstantRanges,
                                                          shader_module const *src, spirv_inst_iter type,
                                                          VkShaderStageFlagBits stage) {
    bool pass = true;

    /* strip off ptrs etc */
    type = get_struct_type(src, type, false);
    assert(type != src->end());

    /* validate directly off the offsets. this isn't quite correct for arrays
     * and matrices, but is a good first step. TODO: arrays, matrices, weird
     * sizes */
    for (auto insn : *src) {
        if (insn.opcode() == spv::OpMemberDecorate && insn.word(1) == type.word(1)) {

            if (insn.word(3) == spv::DecorationOffset) {
                unsigned offset = insn.word(4);
                auto size = 4; /* bytes; TODO: calculate this based on the type */

                bool found_range = false;
                for (auto const &range : *pushConstantRanges) {
                    if (range.offset <= offset && range.offset + range.size >= offset + size) {
                        found_range = true;

                        if ((range.stageFlags & stage) == 0) {
                            if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                                        __LINE__, SHADER_CHECKER_PUSH_CONSTANT_NOT_ACCESSIBLE_FROM_STAGE, "SC",
                                        "Push constant range covering variable starting at "
                                        "offset %u not accessible from stage %s",
                                        offset, string_VkShaderStageFlagBits(stage))) {
                                pass = false;
                            }
                        }

                        break;
                    }
                }

                if (!found_range) {
                    if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                                __LINE__, SHADER_CHECKER_PUSH_CONSTANT_OUT_OF_RANGE, "SC",
                                "Push constant range covering variable starting at "
                                "offset %u not declared in layout",
                                offset)) {
                        pass = false;
                    }
                }
            }
        }
    }

    return pass;
}

static bool validate_push_constant_usage(layer_data *my_data,
                                         std::vector<VkPushConstantRange> const *pushConstantRanges, shader_module const *src,
                                         std::unordered_set<uint32_t> accessible_ids, VkShaderStageFlagBits stage) {
    bool pass = true;

    for (auto id : accessible_ids) {
        auto def_insn = src->get_def(id);
        if (def_insn.opcode() == spv::OpVariable && def_insn.word(3) == spv::StorageClassPushConstant) {
            pass &= validate_push_constant_block_against_pipeline(my_data, pushConstantRanges, src,
                                                                 src->get_def(def_insn.word(1)), stage);
        }
    }

    return pass;
}

// For given pipelineLayout verify that the setLayout at slot.first
//  has the requested binding at slot.second
static VkDescriptorSetLayoutBinding const * get_descriptor_binding(layer_data *my_data, PIPELINE_LAYOUT_NODE *pipelineLayout, descriptor_slot_t slot) {

    if (!pipelineLayout)
        return nullptr;

    if (slot.first >= pipelineLayout->descriptorSetLayouts.size())
        return nullptr;

    auto const layout_node = my_data->descriptorSetLayoutMap[pipelineLayout->descriptorSetLayouts[slot.first]];

    auto bindingIt = layout_node->bindingToIndexMap.find(slot.second);
    if ((bindingIt == layout_node->bindingToIndexMap.end()) || (layout_node->createInfo.pBindings == NULL))
        return nullptr;

    assert(bindingIt->second < layout_node->createInfo.bindingCount);
    return &layout_node->createInfo.pBindings[bindingIt->second];
}

// Block of code at start here for managing/tracking Pipeline state that this layer cares about

static uint64_t g_drawCount[NUM_DRAW_TYPES] = {0, 0, 0, 0};

// TODO : Should be tracking lastBound per commandBuffer and when draws occur, report based on that cmd buffer lastBound
//   Then need to synchronize the accesses based on cmd buffer so that if I'm reading state on one cmd buffer, updates
//   to that same cmd buffer by separate thread are not changing state from underneath us
// Track the last cmd buffer touched by this thread

static VkBool32 hasDrawCmd(GLOBAL_CB_NODE *pCB) {
    for (uint32_t i = 0; i < NUM_DRAW_TYPES; i++) {
        if (pCB->drawCount[i])
            return VK_TRUE;
    }
    return VK_FALSE;
}

// Check object status for selected flag state
static VkBool32 validate_status(layer_data *my_data, GLOBAL_CB_NODE *pNode, CBStatusFlags status_mask, VkFlags msg_flags,
                                DRAW_STATE_ERROR error_code, const char *fail_msg) {
    if (!(pNode->status & status_mask)) {
        return log_msg(my_data->report_data, msg_flags, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                       reinterpret_cast<const uint64_t &>(pNode->commandBuffer), __LINE__, error_code, "DS",
                       "CB object %#" PRIxLEAST64 ": %s", reinterpret_cast<const uint64_t &>(pNode->commandBuffer), fail_msg);
    }
    return VK_FALSE;
}

// Retrieve pipeline node ptr for given pipeline object
static PIPELINE_NODE *getPipeline(layer_data *my_data, const VkPipeline pipeline) {
    if (my_data->pipelineMap.find(pipeline) == my_data->pipelineMap.end()) {
        return NULL;
    }
    return my_data->pipelineMap[pipeline];
}

// Return VK_TRUE if for a given PSO, the given state enum is dynamic, else return VK_FALSE
static VkBool32 isDynamic(const PIPELINE_NODE *pPipeline, const VkDynamicState state) {
    if (pPipeline && pPipeline->graphicsPipelineCI.pDynamicState) {
        for (uint32_t i = 0; i < pPipeline->graphicsPipelineCI.pDynamicState->dynamicStateCount; i++) {
            if (state == pPipeline->graphicsPipelineCI.pDynamicState->pDynamicStates[i])
                return VK_TRUE;
        }
    }
    return VK_FALSE;
}

// Validate state stored as flags at time of draw call
static VkBool32 validate_draw_state_flags(layer_data *dev_data, GLOBAL_CB_NODE *pCB, const PIPELINE_NODE *pPipe,
                                          VkBool32 indexedDraw) {
    VkBool32 result;
    result = validate_status(dev_data, pCB, CBSTATUS_VIEWPORT_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT, DRAWSTATE_VIEWPORT_NOT_BOUND,
                             "Dynamic viewport state not set for this command buffer");
    result |= validate_status(dev_data, pCB, CBSTATUS_SCISSOR_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT, DRAWSTATE_SCISSOR_NOT_BOUND,
                              "Dynamic scissor state not set for this command buffer");
    if ((pPipe->iaStateCI.topology == VK_PRIMITIVE_TOPOLOGY_LINE_LIST) ||
        (pPipe->iaStateCI.topology == VK_PRIMITIVE_TOPOLOGY_LINE_STRIP)) {
        result |= validate_status(dev_data, pCB, CBSTATUS_LINE_WIDTH_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                  DRAWSTATE_LINE_WIDTH_NOT_BOUND, "Dynamic line width state not set for this command buffer");
    }
    if (pPipe->rsStateCI.depthBiasEnable) {
        result |= validate_status(dev_data, pCB, CBSTATUS_DEPTH_BIAS_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                  DRAWSTATE_DEPTH_BIAS_NOT_BOUND, "Dynamic depth bias state not set for this command buffer");
    }
    if (pPipe->blendConstantsEnabled) {
        result |= validate_status(dev_data, pCB, CBSTATUS_BLEND_CONSTANTS_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                  DRAWSTATE_BLEND_NOT_BOUND, "Dynamic blend constants state not set for this command buffer");
    }
    if (pPipe->dsStateCI.depthBoundsTestEnable) {
        result |= validate_status(dev_data, pCB, CBSTATUS_DEPTH_BOUNDS_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                  DRAWSTATE_DEPTH_BOUNDS_NOT_BOUND, "Dynamic depth bounds state not set for this command buffer");
    }
    if (pPipe->dsStateCI.stencilTestEnable) {
        result |= validate_status(dev_data, pCB, CBSTATUS_STENCIL_READ_MASK_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                  DRAWSTATE_STENCIL_NOT_BOUND, "Dynamic stencil read mask state not set for this command buffer");
        result |= validate_status(dev_data, pCB, CBSTATUS_STENCIL_WRITE_MASK_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                  DRAWSTATE_STENCIL_NOT_BOUND, "Dynamic stencil write mask state not set for this command buffer");
        result |= validate_status(dev_data, pCB, CBSTATUS_STENCIL_REFERENCE_SET, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                  DRAWSTATE_STENCIL_NOT_BOUND, "Dynamic stencil reference state not set for this command buffer");
    }
    if (indexedDraw) {
        result |= validate_status(dev_data, pCB, CBSTATUS_INDEX_BUFFER_BOUND, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                  DRAWSTATE_INDEX_BUFFER_NOT_BOUND,
                                  "Index buffer object not bound to this command buffer when Indexed Draw attempted");
    }
    return result;
}

// Verify attachment reference compatibility according to spec
//  If one array is larger, treat missing elements of shorter array as VK_ATTACHMENT_UNUSED & other array much match this
//  If both AttachmentReference arrays have requested index, check their corresponding AttachementDescriptions
//   to make sure that format and samples counts match.
//  If not, they are not compatible.
static bool attachment_references_compatible(const uint32_t index, const VkAttachmentReference *pPrimary,
                                             const uint32_t primaryCount, const VkAttachmentDescription *pPrimaryAttachments,
                                             const VkAttachmentReference *pSecondary, const uint32_t secondaryCount,
                                             const VkAttachmentDescription *pSecondaryAttachments) {
    if (index >= primaryCount) { // Check secondary as if primary is VK_ATTACHMENT_UNUSED
        if (VK_ATTACHMENT_UNUSED == pSecondary[index].attachment)
            return true;
    } else if (index >= secondaryCount) { // Check primary as if secondary is VK_ATTACHMENT_UNUSED
        if (VK_ATTACHMENT_UNUSED == pPrimary[index].attachment)
            return true;
    } else { // format and sample count must match
        if ((pPrimaryAttachments[pPrimary[index].attachment].format ==
             pSecondaryAttachments[pSecondary[index].attachment].format) &&
            (pPrimaryAttachments[pPrimary[index].attachment].samples ==
             pSecondaryAttachments[pSecondary[index].attachment].samples))
            return true;
    }
    // Format and sample counts didn't match
    return false;
}

// For give primary and secondary RenderPass objects, verify that they're compatible
static bool verify_renderpass_compatibility(layer_data *my_data, const VkRenderPass primaryRP, const VkRenderPass secondaryRP,
                                            string &errorMsg) {
    stringstream errorStr;
    if (my_data->renderPassMap.find(primaryRP) == my_data->renderPassMap.end()) {
        errorStr << "invalid VkRenderPass (" << primaryRP << ")";
        errorMsg = errorStr.str();
        return false;
    } else if (my_data->renderPassMap.find(secondaryRP) == my_data->renderPassMap.end()) {
        errorStr << "invalid VkRenderPass (" << secondaryRP << ")";
        errorMsg = errorStr.str();
        return false;
    }
    // Trivial pass case is exact same RP
    if (primaryRP == secondaryRP) {
        return true;
    }
    const VkRenderPassCreateInfo *primaryRPCI = my_data->renderPassMap[primaryRP]->pCreateInfo;
    const VkRenderPassCreateInfo *secondaryRPCI = my_data->renderPassMap[secondaryRP]->pCreateInfo;
    if (primaryRPCI->subpassCount != secondaryRPCI->subpassCount) {
        errorStr << "RenderPass for primary cmdBuffer has " << primaryRPCI->subpassCount
                 << " subpasses but renderPass for secondary cmdBuffer has " << secondaryRPCI->subpassCount << " subpasses.";
        errorMsg = errorStr.str();
        return false;
    }
    uint32_t spIndex = 0;
    for (spIndex = 0; spIndex < primaryRPCI->subpassCount; ++spIndex) {
        // For each subpass, verify that corresponding color, input, resolve & depth/stencil attachment references are compatible
        uint32_t primaryColorCount = primaryRPCI->pSubpasses[spIndex].colorAttachmentCount;
        uint32_t secondaryColorCount = secondaryRPCI->pSubpasses[spIndex].colorAttachmentCount;
        uint32_t colorMax = std::max(primaryColorCount, secondaryColorCount);
        for (uint32_t cIdx = 0; cIdx < colorMax; ++cIdx) {
            if (!attachment_references_compatible(cIdx, primaryRPCI->pSubpasses[spIndex].pColorAttachments, primaryColorCount,
                                                  primaryRPCI->pAttachments, secondaryRPCI->pSubpasses[spIndex].pColorAttachments,
                                                  secondaryColorCount, secondaryRPCI->pAttachments)) {
                errorStr << "color attachments at index " << cIdx << " of subpass index " << spIndex << " are not compatible.";
                errorMsg = errorStr.str();
                return false;
            } else if (!attachment_references_compatible(cIdx, primaryRPCI->pSubpasses[spIndex].pResolveAttachments,
                                                         primaryColorCount, primaryRPCI->pAttachments,
                                                         secondaryRPCI->pSubpasses[spIndex].pResolveAttachments,
                                                         secondaryColorCount, secondaryRPCI->pAttachments)) {
                errorStr << "resolve attachments at index " << cIdx << " of subpass index " << spIndex << " are not compatible.";
                errorMsg = errorStr.str();
                return false;
            } else if (!attachment_references_compatible(cIdx, primaryRPCI->pSubpasses[spIndex].pDepthStencilAttachment,
                                                         primaryColorCount, primaryRPCI->pAttachments,
                                                         secondaryRPCI->pSubpasses[spIndex].pDepthStencilAttachment,
                                                         secondaryColorCount, secondaryRPCI->pAttachments)) {
                errorStr << "depth/stencil attachments at index " << cIdx << " of subpass index " << spIndex
                         << " are not compatible.";
                errorMsg = errorStr.str();
                return false;
            }
        }
        uint32_t primaryInputCount = primaryRPCI->pSubpasses[spIndex].inputAttachmentCount;
        uint32_t secondaryInputCount = secondaryRPCI->pSubpasses[spIndex].inputAttachmentCount;
        uint32_t inputMax = std::max(primaryInputCount, secondaryInputCount);
        for (uint32_t i = 0; i < inputMax; ++i) {
            if (!attachment_references_compatible(i, primaryRPCI->pSubpasses[spIndex].pInputAttachments, primaryColorCount,
                                                  primaryRPCI->pAttachments, secondaryRPCI->pSubpasses[spIndex].pInputAttachments,
                                                  secondaryColorCount, secondaryRPCI->pAttachments)) {
                errorStr << "input attachments at index " << i << " of subpass index " << spIndex << " are not compatible.";
                errorMsg = errorStr.str();
                return false;
            }
        }
    }
    return true;
}

// For give SET_NODE, verify that its Set is compatible w/ the setLayout corresponding to pipelineLayout[layoutIndex]
static bool verify_set_layout_compatibility(layer_data *my_data, const SET_NODE *pSet, const VkPipelineLayout layout,
                                            const uint32_t layoutIndex, string &errorMsg) {
    stringstream errorStr;
    auto pipeline_layout_it = my_data->pipelineLayoutMap.find(layout);
    if (pipeline_layout_it == my_data->pipelineLayoutMap.end()) {
        errorStr << "invalid VkPipelineLayout (" << layout << ")";
        errorMsg = errorStr.str();
        return false;
    }
    if (layoutIndex >= pipeline_layout_it->second.descriptorSetLayouts.size()) {
        errorStr << "VkPipelineLayout (" << layout << ") only contains " << pipeline_layout_it->second.descriptorSetLayouts.size()
                 << " setLayouts corresponding to sets 0-" << pipeline_layout_it->second.descriptorSetLayouts.size() - 1
                 << ", but you're attempting to bind set to index " << layoutIndex;
        errorMsg = errorStr.str();
        return false;
    }
    // Get the specific setLayout from PipelineLayout that overlaps this set
    LAYOUT_NODE *pLayoutNode = my_data->descriptorSetLayoutMap[pipeline_layout_it->second.descriptorSetLayouts[layoutIndex]];
    if (pLayoutNode->layout == pSet->pLayout->layout) { // trivial pass case
        return true;
    }
    size_t descriptorCount = pLayoutNode->descriptorTypes.size();
    if (descriptorCount != pSet->pLayout->descriptorTypes.size()) {
        errorStr << "setLayout " << layoutIndex << " from pipelineLayout " << layout << " has " << descriptorCount
                 << " descriptors, but corresponding set being bound has " << pSet->pLayout->descriptorTypes.size()
                 << " descriptors.";
        errorMsg = errorStr.str();
        return false; // trivial fail case
    }
    // Now need to check set against corresponding pipelineLayout to verify compatibility
    for (size_t i = 0; i < descriptorCount; ++i) {
        // Need to verify that layouts are identically defined
        //  TODO : Is below sufficient? Making sure that types & stageFlags match per descriptor
        //    do we also need to check immutable samplers?
        if (pLayoutNode->descriptorTypes[i] != pSet->pLayout->descriptorTypes[i]) {
            errorStr << "descriptor " << i << " for descriptorSet being bound is type '"
                     << string_VkDescriptorType(pSet->pLayout->descriptorTypes[i])
                     << "' but corresponding descriptor from pipelineLayout is type '"
                     << string_VkDescriptorType(pLayoutNode->descriptorTypes[i]) << "'";
            errorMsg = errorStr.str();
            return false;
        }
        if (pLayoutNode->stageFlags[i] != pSet->pLayout->stageFlags[i]) {
            errorStr << "stageFlags " << i << " for descriptorSet being bound is " << pSet->pLayout->stageFlags[i]
                     << "' but corresponding descriptor from pipelineLayout has stageFlags " << pLayoutNode->stageFlags[i];
            errorMsg = errorStr.str();
            return false;
        }
    }
    return true;
}

// Validate that data for each specialization entry is fully contained within the buffer.
static VkBool32 validate_specialization_offsets(layer_data *my_data, VkPipelineShaderStageCreateInfo const *info) {
    VkBool32 pass = VK_TRUE;

    VkSpecializationInfo const *spec = info->pSpecializationInfo;

    if (spec) {
        for (auto i = 0u; i < spec->mapEntryCount; i++) {
            if (spec->pMapEntries[i].offset + spec->pMapEntries[i].size > spec->dataSize) {
                if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT,
                            /*dev*/ 0, __LINE__, SHADER_CHECKER_BAD_SPECIALIZATION, "SC",
                            "Specialization entry %u (for constant id %u) references memory outside provided "
                            "specialization data (bytes %u.." PRINTF_SIZE_T_SPECIFIER "; " PRINTF_SIZE_T_SPECIFIER
                            " bytes provided)",
                            i, spec->pMapEntries[i].constantID, spec->pMapEntries[i].offset,
                            spec->pMapEntries[i].offset + spec->pMapEntries[i].size - 1, spec->dataSize)) {

                    pass = VK_FALSE;
                }
            }
        }
    }

    return pass;
}

static bool descriptor_type_match(layer_data *my_data, shader_module const *module, uint32_t type_id,
                                  VkDescriptorType descriptor_type, unsigned &descriptor_count) {
    auto type = module->get_def(type_id);

    descriptor_count = 1;

    /* Strip off any array or ptrs. Where we remove array levels, adjust the
     * descriptor count for each dimension. */
    while (type.opcode() == spv::OpTypeArray || type.opcode() == spv::OpTypePointer) {
        if (type.opcode() == spv::OpTypeArray) {
            descriptor_count *= get_constant_value(module, type.word(3));
            type = module->get_def(type.word(2));
        }
        else {
            type = module->get_def(type.word(3));
        }
    }

    switch (type.opcode()) {
    case spv::OpTypeStruct: {
        for (auto insn : *module) {
            if (insn.opcode() == spv::OpDecorate && insn.word(1) == type.word(1)) {
                if (insn.word(2) == spv::DecorationBlock) {
                    return descriptor_type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER ||
                           descriptor_type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
                } else if (insn.word(2) == spv::DecorationBufferBlock) {
                    return descriptor_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER ||
                           descriptor_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC;
                }
            }
        }

        /* Invalid */
        return false;
    }

    case spv::OpTypeSampler:
        return descriptor_type == VK_DESCRIPTOR_TYPE_SAMPLER;

    case spv::OpTypeSampledImage:
        if (descriptor_type == VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER) {
            /* Slight relaxation for some GLSL historical madness: samplerBuffer
             * doesn't really have a sampler, and a texel buffer descriptor
             * doesn't really provide one. Allow this slight mismatch.
             */
            auto image_type = module->get_def(type.word(2));
            auto dim = image_type.word(3);
            auto sampled = image_type.word(7);
            return dim == spv::DimBuffer && sampled == 1;
        }
        return descriptor_type == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;

    case spv::OpTypeImage: {
        /* Many descriptor types backing image types-- depends on dimension
         * and whether the image will be used with a sampler. SPIRV for
         * Vulkan requires that sampled be 1 or 2 -- leaving the decision to
         * runtime is unacceptable.
         */
        auto dim = type.word(3);
        auto sampled = type.word(7);

        if (dim == spv::DimSubpassData) {
            return descriptor_type == VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT;
        } else if (dim == spv::DimBuffer) {
            if (sampled == 1) {
                return descriptor_type == VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER;
            } else {
                return descriptor_type == VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER;
            }
        } else if (sampled == 1) {
            return descriptor_type == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE;
        } else {
            return descriptor_type == VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
        }
    }

    /* We shouldn't really see any other junk types -- but if we do, they're
     * a mismatch.
     */
    default:
        return false; /* Mismatch */
    }
}

static VkBool32 require_feature(layer_data *my_data, VkBool32 feature, char const *feature_name) {
    if (!feature) {
        if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                    __LINE__, SHADER_CHECKER_FEATURE_NOT_ENABLED, "SC",
                    "Shader requires VkPhysicalDeviceFeatures::%s but is not "
                    "enabled on the device",
                    feature_name)) {
            return false;
        }
    }

    return true;
}

static VkBool32 validate_shader_capabilities(layer_data *my_data, shader_module const *src)
{
    VkBool32 pass = VK_TRUE;

    auto enabledFeatures = &my_data->physDevProperties.features;

    for (auto insn : *src) {
        if (insn.opcode() == spv::OpCapability) {
            switch (insn.word(1)) {
            case spv::CapabilityMatrix:
            case spv::CapabilityShader:
            case spv::CapabilityInputAttachment:
            case spv::CapabilitySampled1D:
            case spv::CapabilityImage1D:
            case spv::CapabilitySampledBuffer:
            case spv::CapabilityImageBuffer:
            case spv::CapabilityImageQuery:
            case spv::CapabilityDerivativeControl:
                // Always supported by a Vulkan 1.0 implementation -- no feature bits.
                break;

            case spv::CapabilityGeometry:
                pass &= require_feature(my_data, enabledFeatures->geometryShader, "geometryShader");
                break;

            case spv::CapabilityTessellation:
                pass &= require_feature(my_data, enabledFeatures->tessellationShader, "tessellationShader");
                break;

            case spv::CapabilityFloat64:
                pass &= require_feature(my_data, enabledFeatures->shaderFloat64, "shaderFloat64");
                break;

            case spv::CapabilityInt64:
                pass &= require_feature(my_data, enabledFeatures->shaderInt64, "shaderInt64");
                break;

            case spv::CapabilityTessellationPointSize:
            case spv::CapabilityGeometryPointSize:
                pass &= require_feature(my_data, enabledFeatures->shaderTessellationAndGeometryPointSize,
                                        "shaderTessellationAndGeometryPointSize");
                break;

            case spv::CapabilityImageGatherExtended:
                pass &= require_feature(my_data, enabledFeatures->shaderImageGatherExtended, "shaderImageGatherExtended");
                break;

            case spv::CapabilityStorageImageMultisample:
                pass &= require_feature(my_data, enabledFeatures->shaderStorageImageMultisample, "shaderStorageImageMultisample");
                break;

            case spv::CapabilityUniformBufferArrayDynamicIndexing:
                pass &= require_feature(my_data, enabledFeatures->shaderUniformBufferArrayDynamicIndexing,
                                        "shaderUniformBufferArrayDynamicIndexing");
                break;

            case spv::CapabilitySampledImageArrayDynamicIndexing:
                pass &= require_feature(my_data, enabledFeatures->shaderSampledImageArrayDynamicIndexing,
                                        "shaderSampledImageArrayDynamicIndexing");
                break;

            case spv::CapabilityStorageBufferArrayDynamicIndexing:
                pass &= require_feature(my_data, enabledFeatures->shaderStorageBufferArrayDynamicIndexing,
                                        "shaderStorageBufferArrayDynamicIndexing");
                break;

            case spv::CapabilityStorageImageArrayDynamicIndexing:
                pass &= require_feature(my_data, enabledFeatures->shaderStorageImageArrayDynamicIndexing,
                                        "shaderStorageImageArrayDynamicIndexing");
                break;

            case spv::CapabilityClipDistance:
                pass &= require_feature(my_data, enabledFeatures->shaderClipDistance, "shaderClipDistance");
                break;

            case spv::CapabilityCullDistance:
                pass &= require_feature(my_data, enabledFeatures->shaderCullDistance, "shaderCullDistance");
                break;

            case spv::CapabilityImageCubeArray:
                pass &= require_feature(my_data, enabledFeatures->imageCubeArray, "imageCubeArray");
                break;

            case spv::CapabilitySampleRateShading:
                pass &= require_feature(my_data, enabledFeatures->sampleRateShading, "sampleRateShading");
                break;

            case spv::CapabilitySparseResidency:
                pass &= require_feature(my_data, enabledFeatures->shaderResourceResidency, "shaderResourceResidency");
                break;

            case spv::CapabilityMinLod:
                pass &= require_feature(my_data, enabledFeatures->shaderResourceMinLod, "shaderResourceMinLod");
                break;

            case spv::CapabilitySampledCubeArray:
                pass &= require_feature(my_data, enabledFeatures->imageCubeArray, "imageCubeArray");
                break;

            case spv::CapabilityImageMSArray:
                pass &= require_feature(my_data, enabledFeatures->shaderStorageImageMultisample, "shaderStorageImageMultisample");
                break;

            case spv::CapabilityStorageImageExtendedFormats:
                pass &= require_feature(my_data, enabledFeatures->shaderStorageImageExtendedFormats,
                                        "shaderStorageImageExtendedFormats");
                break;

            case spv::CapabilityInterpolationFunction:
                pass &= require_feature(my_data, enabledFeatures->sampleRateShading, "sampleRateShading");
                break;

            case spv::CapabilityStorageImageReadWithoutFormat:
                pass &= require_feature(my_data, enabledFeatures->shaderStorageImageReadWithoutFormat,
                                        "shaderStorageImageReadWithoutFormat");
                break;

            case spv::CapabilityStorageImageWriteWithoutFormat:
                pass &= require_feature(my_data, enabledFeatures->shaderStorageImageWriteWithoutFormat,
                                        "shaderStorageImageWriteWithoutFormat");
                break;

            case spv::CapabilityMultiViewport:
                pass &= require_feature(my_data, enabledFeatures->multiViewport, "multiViewport");
                break;

            default:
                if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                            __LINE__, SHADER_CHECKER_BAD_CAPABILITY, "SC",
                            "Shader declares capability %u, not supported in Vulkan.",
                            insn.word(1)))
                    pass = VK_FALSE;
                break;
            }
        }
    }

    return pass;
}



static VkBool32 validate_pipeline_shader_stage(layer_data *dev_data,
                                               VkPipelineShaderStageCreateInfo const *pStage,
                                               PIPELINE_NODE *pipeline,
                                               PIPELINE_LAYOUT_NODE *pipelineLayout,
                                               shader_module **out_module,
                                               spirv_inst_iter *out_entrypoint)
{
    VkBool32 pass = VK_TRUE;
    auto module = *out_module = dev_data->shaderModuleMap[pStage->module].get();
    pass &= validate_specialization_offsets(dev_data, pStage);

    /* find the entrypoint */
    auto entrypoint = *out_entrypoint = find_entrypoint(module, pStage->pName, pStage->stage);
    if (entrypoint == module->end()) {
        if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                    __LINE__, SHADER_CHECKER_MISSING_ENTRYPOINT, "SC",
                    "No entrypoint found named `%s` for stage %s", pStage->pName,
                    string_VkShaderStageFlagBits(pStage->stage))) {
            pass = VK_FALSE;
        }
    }

    /* validate shader capabilities against enabled device features */
    pass &= validate_shader_capabilities(dev_data, module);

    /* mark accessible ids */
    std::unordered_set<uint32_t> accessible_ids;
    mark_accessible_ids(module, entrypoint, accessible_ids);

    /* validate descriptor set layout against what the entrypoint actually uses */
    std::map<descriptor_slot_t, interface_var> descriptor_uses;
    collect_interface_by_descriptor_slot(dev_data, module, accessible_ids, descriptor_uses);

    /* validate push constant usage */
    pass &= validate_push_constant_usage(dev_data, &pipelineLayout->pushConstantRanges,
                                        module, accessible_ids, pStage->stage);

    /* validate descriptor use */
    for (auto use : descriptor_uses) {
        // While validating shaders capture which slots are used by the pipeline
        pipeline->active_slots[use.first.first].insert(use.first.second);

        /* find the matching binding */
        auto binding = get_descriptor_binding(dev_data, pipelineLayout, use.first);
        unsigned required_descriptor_count;

        if (!binding) {
            if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_MISSING_DESCRIPTOR, "SC",
                        "Shader uses descriptor slot %u.%u (used as type `%s`) but not declared in pipeline layout",
                        use.first.first, use.first.second, describe_type(module, use.second.type_id).c_str())) {
                pass = VK_FALSE;
            }
        } else if (~binding->stageFlags & pStage->stage) {
            if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT,
                        /*dev*/ 0, __LINE__, SHADER_CHECKER_DESCRIPTOR_NOT_ACCESSIBLE_FROM_STAGE, "SC",
                        "Shader uses descriptor slot %u.%u (used "
                        "as type `%s`) but descriptor not "
                        "accessible from stage %s",
                        use.first.first, use.first.second,
                        describe_type(module, use.second.type_id).c_str(),
                        string_VkShaderStageFlagBits(pStage->stage))) {
                pass = VK_FALSE;
            }
        } else if (!descriptor_type_match(dev_data, module, use.second.type_id, binding->descriptorType, /*out*/ required_descriptor_count)) {
            if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_DESCRIPTOR_TYPE_MISMATCH, "SC",
                        "Type mismatch on descriptor slot "
                        "%u.%u (used as type `%s`) but "
                        "descriptor of type %s",
                        use.first.first, use.first.second,
                        describe_type(module, use.second.type_id).c_str(),
                        string_VkDescriptorType(binding->descriptorType))) {
                pass = VK_FALSE;
            }
        } else if (binding->descriptorCount < required_descriptor_count) {
            if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VkDebugReportObjectTypeEXT(0), 0,
                        __LINE__, SHADER_CHECKER_DESCRIPTOR_TYPE_MISMATCH, "SC",
                        "Shader expects at least %u descriptors for binding %u.%u (used as type `%s`) but only %u provided",
                        required_descriptor_count, use.first.first, use.first.second,
                        describe_type(module, use.second.type_id).c_str(),
                        binding->descriptorCount)) {
                pass = VK_FALSE;
            }
        }
    }

    return pass;
}


// Validate that the shaders used by the given pipeline and store the active_slots
//  that are actually used by the pipeline into pPipeline->active_slots
static VkBool32 validate_and_capture_pipeline_shader_state(layer_data *my_data, PIPELINE_NODE *pPipeline) {
    VkGraphicsPipelineCreateInfo const *pCreateInfo = &pPipeline->graphicsPipelineCI;
    int vertex_stage = get_shader_stage_id(VK_SHADER_STAGE_VERTEX_BIT);
    int fragment_stage = get_shader_stage_id(VK_SHADER_STAGE_FRAGMENT_BIT);

    shader_module *shaders[5];
    memset(shaders, 0, sizeof(shaders));
    spirv_inst_iter entrypoints[5];
    memset(entrypoints, 0, sizeof(entrypoints));
    VkPipelineVertexInputStateCreateInfo const *vi = 0;
    VkBool32 pass = VK_TRUE;

    auto pipelineLayout = pCreateInfo->layout != VK_NULL_HANDLE ? &my_data->pipelineLayoutMap[pCreateInfo->layout] : nullptr;

    for (uint32_t i = 0; i < pCreateInfo->stageCount; i++) {
        VkPipelineShaderStageCreateInfo const *pStage = &pCreateInfo->pStages[i];
        auto stage_id = get_shader_stage_id(pStage->stage);
        pass &= validate_pipeline_shader_stage(my_data, pStage, pPipeline, pipelineLayout,
                                               &shaders[stage_id], &entrypoints[stage_id]);
    }

    vi = pCreateInfo->pVertexInputState;

    if (vi) {
        pass &= validate_vi_consistency(my_data, vi);
    }

    if (shaders[vertex_stage]) {
        pass &= validate_vi_against_vs_inputs(my_data, vi, shaders[vertex_stage], entrypoints[vertex_stage]);
    }

    int producer = get_shader_stage_id(VK_SHADER_STAGE_VERTEX_BIT);
    int consumer = get_shader_stage_id(VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT);

    while (!shaders[producer] && producer != fragment_stage) {
        producer++;
        consumer++;
    }

    for (; producer != fragment_stage && consumer <= fragment_stage; consumer++) {
        assert(shaders[producer]);
        if (shaders[consumer]) {
            pass &= validate_interface_between_stages(my_data,
                                                      shaders[producer], entrypoints[producer], &shader_stage_attribs[producer],
                                                      shaders[consumer], entrypoints[consumer], &shader_stage_attribs[consumer]);

            producer = consumer;
        }
    }

    auto rp = pCreateInfo->renderPass != VK_NULL_HANDLE ? my_data->renderPassMap[pCreateInfo->renderPass] : nullptr;

    if (shaders[fragment_stage] && rp) {
        pass &= validate_fs_outputs_against_render_pass(my_data, shaders[fragment_stage], entrypoints[fragment_stage], rp,
                                                       pCreateInfo->subpass);
    }

    return pass;
}

static VkBool32 validate_compute_pipeline(layer_data *my_data, PIPELINE_NODE *pPipeline) {
    VkComputePipelineCreateInfo const *pCreateInfo = &pPipeline->computePipelineCI;

    auto pipelineLayout = pCreateInfo->layout != VK_NULL_HANDLE ? &my_data->pipelineLayoutMap[pCreateInfo->layout] : nullptr;

    shader_module *module;
    spirv_inst_iter entrypoint;

    return validate_pipeline_shader_stage(my_data, &pCreateInfo->stage, pPipeline, pipelineLayout,
                                          &module, &entrypoint);
}

// Return Set node ptr for specified set or else NULL
static SET_NODE *getSetNode(layer_data *my_data, const VkDescriptorSet set) {
    if (my_data->setMap.find(set) == my_data->setMap.end()) {
        return NULL;
    }
    return my_data->setMap[set];
}

// For given Layout Node and binding, return index where that binding begins
static uint32_t getBindingStartIndex(const LAYOUT_NODE *pLayout, const uint32_t binding) {
    uint32_t offsetIndex = 0;
    for (uint32_t i = 0; i < pLayout->createInfo.bindingCount; i++) {
        if (pLayout->createInfo.pBindings[i].binding == binding)
            break;
        offsetIndex += pLayout->createInfo.pBindings[i].descriptorCount;
    }
    return offsetIndex;
}

// For given layout node and binding, return last index that is updated
static uint32_t getBindingEndIndex(const LAYOUT_NODE *pLayout, const uint32_t binding) {
    uint32_t offsetIndex = 0;
    for (uint32_t i = 0; i < pLayout->createInfo.bindingCount; i++) {
        offsetIndex += pLayout->createInfo.pBindings[i].descriptorCount;
        if (pLayout->createInfo.pBindings[i].binding == binding)
            break;
    }
    return offsetIndex - 1;
}

// For the given command buffer, verify and update the state for activeSetBindingsPairs
//  This includes:
//  1. Verifying that any dynamic descriptor in that set has a valid dynamic offset bound.
//     To be valid, the dynamic offset combined with the offset and range from its
//     descriptor update must not overflow the size of its buffer being updated
//  2. Grow updateImages for given pCB to include any bound STORAGE_IMAGE descriptor images
//  3. Grow updateBuffers for pCB to include buffers from STORAGE*_BUFFER descriptor buffers
static VkBool32 validate_and_update_drawtime_descriptor_state(
    layer_data *dev_data, GLOBAL_CB_NODE *pCB,
    const vector<std::pair<SET_NODE *, unordered_set<uint32_t>>> &activeSetBindingsPairs) {
    VkBool32 result = VK_FALSE;

    VkWriteDescriptorSet *pWDS = NULL;
    uint32_t dynOffsetIndex = 0;
    VkDeviceSize bufferSize = 0;
    for (auto set_bindings_pair : activeSetBindingsPairs) {
        SET_NODE *set_node = set_bindings_pair.first;
        LAYOUT_NODE *layout_node = set_node->pLayout;
        for (auto binding : set_bindings_pair.second) {
            uint32_t startIdx = getBindingStartIndex(layout_node, binding);
            uint32_t endIdx = getBindingEndIndex(layout_node, binding);
            for (uint32_t i = startIdx; i <= endIdx; ++i) {
                // We did check earlier to verify that set was updated, but now make sure given slot was updated
                // TODO : Would be better to store set# that set is bound to so we can report set.binding[index] not updated
                if (!set_node->pDescriptorUpdates[i]) {
                    result |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, reinterpret_cast<const uint64_t &>(set_node->set), __LINE__,
                                        DRAWSTATE_DESCRIPTOR_SET_NOT_UPDATED, "DS",
                                        "DS %#" PRIxLEAST64 " bound and active but it never had binding %u updated. It is now being used to draw so "
                                                            "this will result in undefined behavior.",
                                        reinterpret_cast<const uint64_t &>(set_node->set), binding);
                } else {
                    switch (set_node->pDescriptorUpdates[i]->sType) {
                    case VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET:
                        pWDS = (VkWriteDescriptorSet *)set_node->pDescriptorUpdates[i];
                        if ((pWDS->descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC) ||
                            (pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC)) {
                            for (uint32_t j = 0; j < pWDS->descriptorCount; ++j) {
                                bufferSize = dev_data->bufferMap[pWDS->pBufferInfo[j].buffer].create_info->size;
                                uint32_t dynOffset = pCB->lastBound[VK_PIPELINE_BIND_POINT_GRAPHICS].dynamicOffsets[dynOffsetIndex];
                                if (pWDS->pBufferInfo[j].range == VK_WHOLE_SIZE) {
                                    if ((dynOffset + pWDS->pBufferInfo[j].offset) > bufferSize) {
                                        result |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                                          VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                                                          reinterpret_cast<const uint64_t &>(set_node->set), __LINE__,
                                                          DRAWSTATE_DYNAMIC_OFFSET_OVERFLOW, "DS",
                                                          "VkDescriptorSet (%#" PRIxLEAST64 ") bound as set #%u has range of "
                                                          "VK_WHOLE_SIZE but dynamic offset %#" PRIxLEAST32 ". "
                                                          "combined with offset %#" PRIxLEAST64 " oversteps its buffer (%#" PRIxLEAST64
                                                          ") which has a size of %#" PRIxLEAST64 ".",
                                                          reinterpret_cast<const uint64_t &>(set_node->set), i, dynOffset,
                                                          pWDS->pBufferInfo[j].offset,
                                                          reinterpret_cast<const uint64_t &>(pWDS->pBufferInfo[j].buffer), bufferSize);
                                    }
                                } else if ((dynOffset + pWDS->pBufferInfo[j].offset + pWDS->pBufferInfo[j].range) > bufferSize) {
                                    result |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                                      VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                                                      reinterpret_cast<const uint64_t &>(set_node->set), __LINE__,
                                                      DRAWSTATE_DYNAMIC_OFFSET_OVERFLOW, "DS",
                                                      "VkDescriptorSet (%#" PRIxLEAST64
                                                      ") bound as set #%u has dynamic offset %#" PRIxLEAST32 ". "
                                                      "Combined with offset %#" PRIxLEAST64 " and range %#" PRIxLEAST64
                                                      " from its update, this oversteps its buffer "
                                                      "(%#" PRIxLEAST64 ") which has a size of %#" PRIxLEAST64 ".",
                                                      reinterpret_cast<const uint64_t &>(set_node->set), i, dynOffset,
                                                      pWDS->pBufferInfo[j].offset, pWDS->pBufferInfo[j].range,
                                                      reinterpret_cast<const uint64_t &>(pWDS->pBufferInfo[j].buffer), bufferSize);
                                }
                                dynOffsetIndex++;
                            }
                        } else if (pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_IMAGE) {
                            for (uint32_t j = 0; j < pWDS->descriptorCount; ++j) {
                                pCB->updateImages.insert(pWDS->pImageInfo[j].imageView);
                            }
                        } else if (pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER) {
                            for (uint32_t j = 0; j < pWDS->descriptorCount; ++j) {
                                assert(dev_data->bufferViewMap.find(pWDS->pTexelBufferView[j]) != dev_data->bufferViewMap.end());
                                pCB->updateBuffers.insert(dev_data->bufferViewMap[pWDS->pTexelBufferView[j]].buffer);
                            }
                        } else if (pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER ||
                                   pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) {
                            for (uint32_t j = 0; j < pWDS->descriptorCount; ++j) {
                                pCB->updateBuffers.insert(pWDS->pBufferInfo[j].buffer);
                            }
                        }
                        i += pWDS->descriptorCount; // Advance i to end of this set of descriptors (++i at end of for loop will move 1
                                                    // index past last of these descriptors)
                        break;
                    default: // Currently only shadowing Write update nodes so shouldn't get here
                        assert(0);
                        continue;
                    }
                }
            }
        }
    }
    return result;
}
// TODO : This is a temp function that naively updates bound storage images and buffers based on which descriptor sets are bound.
//   When validate_and_update_draw_state() handles computer shaders so that active_slots is correct for compute pipelines, this
//   function can be killed and validate_and_update_draw_state() used instead
static void update_shader_storage_images_and_buffers(layer_data *dev_data, GLOBAL_CB_NODE *pCB) {
    VkWriteDescriptorSet *pWDS = nullptr;
    SET_NODE *pSet = nullptr;
    // For the bound descriptor sets, pull off any storage images and buffers
    //  This may be more than are actually updated depending on which are active, but for now this is a stop-gap for compute
    //  pipelines
    for (auto set : pCB->lastBound[VK_PIPELINE_BIND_POINT_COMPUTE].uniqueBoundSets) {
        // Get the set node
        pSet = getSetNode(dev_data, set);
        // For each update in the set
        for (auto pUpdate : pSet->pDescriptorUpdates) {
            // If it's a write update to STORAGE type capture image/buffer being updated
            if (pUpdate && (pUpdate->sType == VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET)) {
                pWDS = reinterpret_cast<VkWriteDescriptorSet *>(pUpdate);
                if (pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_IMAGE) {
                    for (uint32_t j = 0; j < pWDS->descriptorCount; ++j) {
                        pCB->updateImages.insert(pWDS->pImageInfo[j].imageView);
                    }
                } else if (pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER) {
                    for (uint32_t j = 0; j < pWDS->descriptorCount; ++j) {
                        pCB->updateBuffers.insert(dev_data->bufferViewMap[pWDS->pTexelBufferView[j]].buffer);
                    }
                } else if (pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER ||
                           pWDS->descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) {
                    for (uint32_t j = 0; j < pWDS->descriptorCount; ++j) {
                        pCB->updateBuffers.insert(pWDS->pBufferInfo[j].buffer);
                    }
                }
            }
        }
    }
}

// Validate overall state at the time of a draw call
static VkBool32 validate_and_update_draw_state(layer_data *my_data, GLOBAL_CB_NODE *pCB, const VkBool32 indexedDraw,
                                               const VkPipelineBindPoint bindPoint) {
    VkBool32 result = VK_FALSE;
    auto const &state = pCB->lastBound[bindPoint];
    PIPELINE_NODE *pPipe = getPipeline(my_data, state.pipeline);
    // First check flag states
    if (VK_PIPELINE_BIND_POINT_GRAPHICS == bindPoint)
        result = validate_draw_state_flags(my_data, pCB, pPipe, indexedDraw);

    // Now complete other state checks
    // TODO : Currently only performing next check if *something* was bound (non-zero last bound)
    //  There is probably a better way to gate when this check happens, and to know if something *should* have been bound
    //  We should have that check separately and then gate this check based on that check
    if (pPipe) {
        if (state.pipelineLayout) {
            string errorString;
            // Need a vector (vs. std::set) of active Sets for dynamicOffset validation in case same set bound w/ different offsets
            vector<std::pair<SET_NODE *, unordered_set<uint32_t>>> activeSetBindingsPairs;
            for (auto setBindingPair : pPipe->active_slots) {
                uint32_t setIndex = setBindingPair.first;
                // If valid set is not bound throw an error
                if ((state.boundDescriptorSets.size() <= setIndex) || (!state.boundDescriptorSets[setIndex])) {
                    result |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                      __LINE__, DRAWSTATE_DESCRIPTOR_SET_NOT_BOUND, "DS",
                                      "VkPipeline %#" PRIxLEAST64 " uses set #%u but that set is not bound.",
                                      (uint64_t)pPipe->pipeline, setIndex);
                } else if (!verify_set_layout_compatibility(my_data, my_data->setMap[state.boundDescriptorSets[setIndex]],
                                                            pPipe->graphicsPipelineCI.layout, setIndex, errorString)) {
                    // Set is bound but not compatible w/ overlapping pipelineLayout from PSO
                    VkDescriptorSet setHandle = my_data->setMap[state.boundDescriptorSets[setIndex]]->set;
                    result |= log_msg(
                        my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                        (uint64_t)setHandle, __LINE__, DRAWSTATE_PIPELINE_LAYOUTS_INCOMPATIBLE, "DS",
                        "VkDescriptorSet (%#" PRIxLEAST64
                        ") bound as set #%u is not compatible with overlapping VkPipelineLayout %#" PRIxLEAST64 " due to: %s",
                        (uint64_t)setHandle, setIndex, (uint64_t)pPipe->graphicsPipelineCI.layout, errorString.c_str());
                } else { // Valid set is bound and layout compatible, validate that it's updated
                    // Pull the set node
                    SET_NODE *pSet = my_data->setMap[state.boundDescriptorSets[setIndex]];
                    // Save vector of all active sets to verify dynamicOffsets below
                    // activeSetNodes.push_back(pSet);
                    activeSetBindingsPairs.push_back(std::make_pair(pSet, setBindingPair.second));
                    // Make sure set has been updated
                    if (!pSet->pUpdateStructs) {
                        result |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                          VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)pSet->set, __LINE__,
                                          DRAWSTATE_DESCRIPTOR_SET_NOT_UPDATED, "DS",
                                          "DS %#" PRIxLEAST64 " bound but it was never updated. It is now being used to draw so "
                                                              "this will result in undefined behavior.",
                                          (uint64_t)pSet->set);
                    }
                }
            }
            // For given active slots, verify any dynamic descriptors and record updated images & buffers
            result |= validate_and_update_drawtime_descriptor_state(my_data, pCB, activeSetBindingsPairs);
        }
        if (VK_PIPELINE_BIND_POINT_GRAPHICS == bindPoint) {
            // Verify Vtx binding
            if (pPipe->vertexBindingDescriptions.size() > 0) {
                for (size_t i = 0; i < pPipe->vertexBindingDescriptions.size(); i++) {
                    if ((pCB->currentDrawData.buffers.size() < (i + 1)) || (pCB->currentDrawData.buffers[i] == VK_NULL_HANDLE)) {
                        result |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                          __LINE__, DRAWSTATE_VTX_INDEX_OUT_OF_BOUNDS, "DS",
                                          "The Pipeline State Object (%#" PRIxLEAST64
                                          ") expects that this Command Buffer's vertex binding Index " PRINTF_SIZE_T_SPECIFIER
                                          " should be set via vkCmdBindVertexBuffers.",
                                          (uint64_t)state.pipeline, i);
                    }
                }
            } else {
                if (!pCB->currentDrawData.buffers.empty()) {
                    result |= log_msg(my_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                      (VkDebugReportObjectTypeEXT)0, 0, __LINE__, DRAWSTATE_VTX_INDEX_OUT_OF_BOUNDS, "DS",
                                      "Vertex buffers are bound to command buffer (%#" PRIxLEAST64
                                      ") but no vertex buffers are attached to this Pipeline State Object (%#" PRIxLEAST64 ").",
                                      (uint64_t)pCB->commandBuffer, (uint64_t)state.pipeline);
                }
            }
            // If Viewport or scissors are dynamic, verify that dynamic count matches PSO count.
            // Skip check if rasterization is disabled or there is no viewport.
            if ((!pPipe->graphicsPipelineCI.pRasterizationState ||
                 !pPipe->graphicsPipelineCI.pRasterizationState->rasterizerDiscardEnable) &&
                pPipe->graphicsPipelineCI.pViewportState) {
                VkBool32 dynViewport = isDynamic(pPipe, VK_DYNAMIC_STATE_VIEWPORT);
                VkBool32 dynScissor = isDynamic(pPipe, VK_DYNAMIC_STATE_SCISSOR);
                if (dynViewport) {
                    if (pCB->viewports.size() != pPipe->graphicsPipelineCI.pViewportState->viewportCount) {
                        result |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                          __LINE__, DRAWSTATE_VIEWPORT_SCISSOR_MISMATCH, "DS",
                                          "Dynamic viewportCount from vkCmdSetViewport() is " PRINTF_SIZE_T_SPECIFIER
                                          ", but PSO viewportCount is %u. These counts must match.",
                                          pCB->viewports.size(), pPipe->graphicsPipelineCI.pViewportState->viewportCount);
                    }
                }
                if (dynScissor) {
                    if (pCB->scissors.size() != pPipe->graphicsPipelineCI.pViewportState->scissorCount) {
                        result |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                          __LINE__, DRAWSTATE_VIEWPORT_SCISSOR_MISMATCH, "DS",
                                          "Dynamic scissorCount from vkCmdSetScissor() is " PRINTF_SIZE_T_SPECIFIER
                                          ", but PSO scissorCount is %u. These counts must match.",
                                          pCB->scissors.size(), pPipe->graphicsPipelineCI.pViewportState->scissorCount);
                    }
                }
            }
        }
    }
    return result;
}

// Verify that create state for a pipeline is valid
static VkBool32 verifyPipelineCreateState(layer_data *my_data, const VkDevice device, std::vector<PIPELINE_NODE *> pPipelines,
                                          int pipelineIndex) {
    VkBool32 skipCall = VK_FALSE;

    PIPELINE_NODE *pPipeline = pPipelines[pipelineIndex];

    // If create derivative bit is set, check that we've specified a base
    // pipeline correctly, and that the base pipeline was created to allow
    // derivatives.
    if (pPipeline->graphicsPipelineCI.flags & VK_PIPELINE_CREATE_DERIVATIVE_BIT) {
        PIPELINE_NODE *pBasePipeline = nullptr;
        if (!((pPipeline->graphicsPipelineCI.basePipelineHandle != VK_NULL_HANDLE) ^
              (pPipeline->graphicsPipelineCI.basePipelineIndex != -1))) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS",
                                "Invalid Pipeline CreateInfo: exactly one of base pipeline index and handle must be specified");
        } else if (pPipeline->graphicsPipelineCI.basePipelineIndex != -1) {
            if (pPipeline->graphicsPipelineCI.basePipelineIndex >= pipelineIndex) {
                skipCall |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS",
                            "Invalid Pipeline CreateInfo: base pipeline must occur earlier in array than derivative pipeline.");
            } else {
                pBasePipeline = pPipelines[pPipeline->graphicsPipelineCI.basePipelineIndex];
            }
        } else if (pPipeline->graphicsPipelineCI.basePipelineHandle != VK_NULL_HANDLE) {
            pBasePipeline = getPipeline(my_data, pPipeline->graphicsPipelineCI.basePipelineHandle);
        }

        if (pBasePipeline && !(pBasePipeline->graphicsPipelineCI.flags & VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT)) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS",
                                "Invalid Pipeline CreateInfo: base pipeline does not allow derivatives.");
        }
    }

    if (pPipeline->graphicsPipelineCI.pColorBlendState != NULL) {
        if (!my_data->physDevProperties.features.independentBlend) {
            if (pPipeline->attachments.size() > 1) {
                VkPipelineColorBlendAttachmentState *pAttachments = &pPipeline->attachments[0];
                for (size_t i = 1; i < pPipeline->attachments.size(); i++) {
                    if ((pAttachments[0].blendEnable != pAttachments[i].blendEnable) ||
                        (pAttachments[0].srcColorBlendFactor != pAttachments[i].srcColorBlendFactor) ||
                        (pAttachments[0].dstColorBlendFactor != pAttachments[i].dstColorBlendFactor) ||
                        (pAttachments[0].colorBlendOp != pAttachments[i].colorBlendOp) ||
                        (pAttachments[0].srcAlphaBlendFactor != pAttachments[i].srcAlphaBlendFactor) ||
                        (pAttachments[0].dstAlphaBlendFactor != pAttachments[i].dstAlphaBlendFactor) ||
                        (pAttachments[0].alphaBlendOp != pAttachments[i].alphaBlendOp) ||
                        (pAttachments[0].colorWriteMask != pAttachments[i].colorWriteMask)) {
                        skipCall |=
                            log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INDEPENDENT_BLEND, "DS", "Invalid Pipeline CreateInfo: If independent blend feature not "
                            "enabled, all elements of pAttachments must be identical");
                    }
                }
            }
        }
        if (!my_data->physDevProperties.features.logicOp &&
            (pPipeline->graphicsPipelineCI.pColorBlendState->logicOpEnable != VK_FALSE)) {
            skipCall |=
                log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_DISABLED_LOGIC_OP, "DS",
                        "Invalid Pipeline CreateInfo: If logic operations feature not enabled, logicOpEnable must be VK_FALSE");
        }
        if ((pPipeline->graphicsPipelineCI.pColorBlendState->logicOpEnable == VK_TRUE) &&
            ((pPipeline->graphicsPipelineCI.pColorBlendState->logicOp < VK_LOGIC_OP_CLEAR) ||
             (pPipeline->graphicsPipelineCI.pColorBlendState->logicOp > VK_LOGIC_OP_SET))) {
            skipCall |=
                log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_LOGIC_OP, "DS",
                        "Invalid Pipeline CreateInfo: If logicOpEnable is VK_TRUE, logicOp must be a valid VkLogicOp value");
        }
    }

    // Ensure the subpass index is valid. If not, then validate_and_capture_pipeline_shader_state
    // produces nonsense errors that confuse users. Other layers should already
    // emit errors for renderpass being invalid.
    auto rp_data = my_data->renderPassMap.find(pPipeline->graphicsPipelineCI.renderPass);
    if (rp_data != my_data->renderPassMap.end() &&
        pPipeline->graphicsPipelineCI.subpass >= rp_data->second->pCreateInfo->subpassCount) {
        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS", "Invalid Pipeline CreateInfo State: Subpass index %u "
                                                                           "is out of range for this renderpass (0..%u)",
                            pPipeline->graphicsPipelineCI.subpass, rp_data->second->pCreateInfo->subpassCount - 1);
    }

    if (!validate_and_capture_pipeline_shader_state(my_data, pPipeline)) {
        skipCall = VK_TRUE;
    }
    // VS is required
    if (!(pPipeline->active_shaders & VK_SHADER_STAGE_VERTEX_BIT)) {
        skipCall |=
            log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                    DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS", "Invalid Pipeline CreateInfo State: Vtx Shader required");
    }
    // Either both or neither TC/TE shaders should be defined
    if (((pPipeline->active_shaders & VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT) == 0) !=
        ((pPipeline->active_shaders & VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT) == 0)) {
        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS",
                            "Invalid Pipeline CreateInfo State: TE and TC shaders must be included or excluded as a pair");
    }
    // Compute shaders should be specified independent of Gfx shaders
    if ((pPipeline->active_shaders & VK_SHADER_STAGE_COMPUTE_BIT) &&
        (pPipeline->active_shaders &
         (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT | VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT |
          VK_SHADER_STAGE_GEOMETRY_BIT | VK_SHADER_STAGE_FRAGMENT_BIT))) {
        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS",
                            "Invalid Pipeline CreateInfo State: Do not specify Compute Shader for Gfx Pipeline");
    }
    // VK_PRIMITIVE_TOPOLOGY_PATCH_LIST primitive topology is only valid for tessellation pipelines.
    // Mismatching primitive topology and tessellation fails graphics pipeline creation.
    if (pPipeline->active_shaders & (VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT | VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT) &&
        (pPipeline->iaStateCI.topology != VK_PRIMITIVE_TOPOLOGY_PATCH_LIST)) {
        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS", "Invalid Pipeline CreateInfo State: "
                                                                           "VK_PRIMITIVE_TOPOLOGY_PATCH_LIST must be set as IA "
                                                                           "topology for tessellation pipelines");
    }
    if (pPipeline->iaStateCI.topology == VK_PRIMITIVE_TOPOLOGY_PATCH_LIST) {
        if (~pPipeline->active_shaders & VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS", "Invalid Pipeline CreateInfo State: "
                                                                               "VK_PRIMITIVE_TOPOLOGY_PATCH_LIST primitive "
                                                                               "topology is only valid for tessellation pipelines");
        }
        if (!pPipeline->tessStateCI.patchControlPoints || (pPipeline->tessStateCI.patchControlPoints > 32)) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_INVALID_PIPELINE_CREATE_STATE, "DS", "Invalid Pipeline CreateInfo State: "
                                                                               "VK_PRIMITIVE_TOPOLOGY_PATCH_LIST primitive "
                                                                               "topology used with patchControlPoints value %u."
                                                                               " patchControlPoints should be >0 and <=32.",
                                pPipeline->tessStateCI.patchControlPoints);
        }
    }
    // Viewport state must be included if rasterization is enabled.
    // If the viewport state is included, the viewport and scissor counts should always match.
    // NOTE : Even if these are flagged as dynamic, counts need to be set correctly for shader compiler
    if (!pPipeline->graphicsPipelineCI.pRasterizationState ||
        !pPipeline->graphicsPipelineCI.pRasterizationState->rasterizerDiscardEnable) {
        if (!pPipeline->graphicsPipelineCI.pViewportState) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_VIEWPORT_SCISSOR_MISMATCH, "DS", "Gfx Pipeline pViewportState is null. Even if viewport "
                                                                           "and scissors are dynamic PSO must include "
                                                                           "viewportCount and scissorCount in pViewportState.");
        } else if (pPipeline->graphicsPipelineCI.pViewportState->scissorCount !=
                   pPipeline->graphicsPipelineCI.pViewportState->viewportCount) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_VIEWPORT_SCISSOR_MISMATCH, "DS",
                                "Gfx Pipeline viewport count (%u) must match scissor count (%u).",
                                pPipeline->vpStateCI.viewportCount, pPipeline->vpStateCI.scissorCount);
        } else {
            // If viewport or scissor are not dynamic, then verify that data is appropriate for count
            VkBool32 dynViewport = isDynamic(pPipeline, VK_DYNAMIC_STATE_VIEWPORT);
            VkBool32 dynScissor = isDynamic(pPipeline, VK_DYNAMIC_STATE_SCISSOR);
            if (!dynViewport) {
                if (pPipeline->graphicsPipelineCI.pViewportState->viewportCount &&
                    !pPipeline->graphicsPipelineCI.pViewportState->pViewports) {
                    skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                        __LINE__, DRAWSTATE_VIEWPORT_SCISSOR_MISMATCH, "DS",
                                        "Gfx Pipeline viewportCount is %u, but pViewports is NULL. For non-zero viewportCount, you "
                                        "must either include pViewports data, or include viewport in pDynamicState and set it with "
                                        "vkCmdSetViewport().",
                                        pPipeline->graphicsPipelineCI.pViewportState->viewportCount);
                }
            }
            if (!dynScissor) {
                if (pPipeline->graphicsPipelineCI.pViewportState->scissorCount &&
                    !pPipeline->graphicsPipelineCI.pViewportState->pScissors) {
                    skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                        __LINE__, DRAWSTATE_VIEWPORT_SCISSOR_MISMATCH, "DS",
                                        "Gfx Pipeline scissorCount is %u, but pScissors is NULL. For non-zero scissorCount, you "
                                        "must either include pScissors data, or include scissor in pDynamicState and set it with "
                                        "vkCmdSetScissor().",
                                        pPipeline->graphicsPipelineCI.pViewportState->scissorCount);
                }
            }
        }
    }
    return skipCall;
}

// Init the pipeline mapping info based on pipeline create info LL tree
//  Threading note : Calls to this function should wrapped in mutex
// TODO : this should really just be in the constructor for PIPELINE_NODE
static PIPELINE_NODE *initGraphicsPipeline(layer_data *dev_data, const VkGraphicsPipelineCreateInfo *pCreateInfo) {
    PIPELINE_NODE *pPipeline = new PIPELINE_NODE;

    // First init create info
    memcpy(&pPipeline->graphicsPipelineCI, pCreateInfo, sizeof(VkGraphicsPipelineCreateInfo));

    size_t bufferSize = 0;
    const VkPipelineVertexInputStateCreateInfo *pVICI = NULL;
    const VkPipelineColorBlendStateCreateInfo *pCBCI = NULL;

    for (uint32_t i = 0; i < pCreateInfo->stageCount; i++) {
        const VkPipelineShaderStageCreateInfo *pPSSCI = &pCreateInfo->pStages[i];

        switch (pPSSCI->stage) {
        case VK_SHADER_STAGE_VERTEX_BIT:
            memcpy(&pPipeline->vsCI, pPSSCI, sizeof(VkPipelineShaderStageCreateInfo));
            pPipeline->active_shaders |= VK_SHADER_STAGE_VERTEX_BIT;
            break;
        case VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT:
            memcpy(&pPipeline->tcsCI, pPSSCI, sizeof(VkPipelineShaderStageCreateInfo));
            pPipeline->active_shaders |= VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT;
            break;
        case VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT:
            memcpy(&pPipeline->tesCI, pPSSCI, sizeof(VkPipelineShaderStageCreateInfo));
            pPipeline->active_shaders |= VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT;
            break;
        case VK_SHADER_STAGE_GEOMETRY_BIT:
            memcpy(&pPipeline->gsCI, pPSSCI, sizeof(VkPipelineShaderStageCreateInfo));
            pPipeline->active_shaders |= VK_SHADER_STAGE_GEOMETRY_BIT;
            break;
        case VK_SHADER_STAGE_FRAGMENT_BIT:
            memcpy(&pPipeline->fsCI, pPSSCI, sizeof(VkPipelineShaderStageCreateInfo));
            pPipeline->active_shaders |= VK_SHADER_STAGE_FRAGMENT_BIT;
            break;
        case VK_SHADER_STAGE_COMPUTE_BIT:
            // TODO : Flag error, CS is specified through VkComputePipelineCreateInfo
            pPipeline->active_shaders |= VK_SHADER_STAGE_COMPUTE_BIT;
            break;
        default:
            // TODO : Flag error
            break;
        }
    }
    // Copy over GraphicsPipelineCreateInfo structure embedded pointers
    if (pCreateInfo->stageCount != 0) {
        pPipeline->graphicsPipelineCI.pStages = new VkPipelineShaderStageCreateInfo[pCreateInfo->stageCount];
        bufferSize = pCreateInfo->stageCount * sizeof(VkPipelineShaderStageCreateInfo);
        memcpy((void *)pPipeline->graphicsPipelineCI.pStages, pCreateInfo->pStages, bufferSize);
    }
    if (pCreateInfo->pVertexInputState != NULL) {
        pPipeline->vertexInputCI = *pCreateInfo->pVertexInputState;
        // Copy embedded ptrs
        pVICI = pCreateInfo->pVertexInputState;
        if (pVICI->vertexBindingDescriptionCount) {
            pPipeline->vertexBindingDescriptions = std::vector<VkVertexInputBindingDescription>(
                pVICI->pVertexBindingDescriptions, pVICI->pVertexBindingDescriptions + pVICI->vertexBindingDescriptionCount);
        }
        if (pVICI->vertexAttributeDescriptionCount) {
            pPipeline->vertexAttributeDescriptions = std::vector<VkVertexInputAttributeDescription>(
                pVICI->pVertexAttributeDescriptions, pVICI->pVertexAttributeDescriptions + pVICI->vertexAttributeDescriptionCount);
        }
        pPipeline->graphicsPipelineCI.pVertexInputState = &pPipeline->vertexInputCI;
    }
    if (pCreateInfo->pInputAssemblyState != NULL) {
        pPipeline->iaStateCI = *pCreateInfo->pInputAssemblyState;
        pPipeline->graphicsPipelineCI.pInputAssemblyState = &pPipeline->iaStateCI;
    }
    if (pCreateInfo->pTessellationState != NULL) {
        pPipeline->tessStateCI = *pCreateInfo->pTessellationState;
        pPipeline->graphicsPipelineCI.pTessellationState = &pPipeline->tessStateCI;
    }
    if (pCreateInfo->pViewportState != NULL) {
        pPipeline->vpStateCI = *pCreateInfo->pViewportState;
        pPipeline->graphicsPipelineCI.pViewportState = &pPipeline->vpStateCI;
    }
    if (pCreateInfo->pRasterizationState != NULL) {
        pPipeline->rsStateCI = *pCreateInfo->pRasterizationState;
        pPipeline->graphicsPipelineCI.pRasterizationState = &pPipeline->rsStateCI;
    }
    if (pCreateInfo->pMultisampleState != NULL) {
        pPipeline->msStateCI = *pCreateInfo->pMultisampleState;
        pPipeline->graphicsPipelineCI.pMultisampleState = &pPipeline->msStateCI;
    }
    if (pCreateInfo->pDepthStencilState != NULL) {
        pPipeline->dsStateCI = *pCreateInfo->pDepthStencilState;
        pPipeline->graphicsPipelineCI.pDepthStencilState = &pPipeline->dsStateCI;
    }
    if (pCreateInfo->pColorBlendState != NULL) {
        pPipeline->cbStateCI = *pCreateInfo->pColorBlendState;
        // Copy embedded ptrs
        pCBCI = pCreateInfo->pColorBlendState;
        if (pCBCI->attachmentCount) {
            pPipeline->attachments = std::vector<VkPipelineColorBlendAttachmentState>(
                pCBCI->pAttachments, pCBCI->pAttachments + pCBCI->attachmentCount);
        }
        pPipeline->graphicsPipelineCI.pColorBlendState = &pPipeline->cbStateCI;
    }
    if (pCreateInfo->pDynamicState != NULL) {
        pPipeline->dynStateCI = *pCreateInfo->pDynamicState;
        if (pPipeline->dynStateCI.dynamicStateCount) {
            pPipeline->dynStateCI.pDynamicStates = new VkDynamicState[pPipeline->dynStateCI.dynamicStateCount];
            bufferSize = pPipeline->dynStateCI.dynamicStateCount * sizeof(VkDynamicState);
            memcpy((void *)pPipeline->dynStateCI.pDynamicStates, pCreateInfo->pDynamicState->pDynamicStates, bufferSize);
        }
        pPipeline->graphicsPipelineCI.pDynamicState = &pPipeline->dynStateCI;
    }
    return pPipeline;
}

// Free the Pipeline nodes
static void deletePipelines(layer_data *my_data) {
    if (my_data->pipelineMap.size() <= 0)
        return;
    for (auto ii = my_data->pipelineMap.begin(); ii != my_data->pipelineMap.end(); ++ii) {
        if ((*ii).second->graphicsPipelineCI.stageCount != 0) {
            delete[](*ii).second->graphicsPipelineCI.pStages;
        }
        if ((*ii).second->dynStateCI.dynamicStateCount != 0) {
            delete[](*ii).second->dynStateCI.pDynamicStates;
        }
        delete (*ii).second;
    }
    my_data->pipelineMap.clear();
}

// For given pipeline, return number of MSAA samples, or one if MSAA disabled
static VkSampleCountFlagBits getNumSamples(layer_data *my_data, const VkPipeline pipeline) {
    PIPELINE_NODE *pPipe = my_data->pipelineMap[pipeline];
    if (VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO == pPipe->msStateCI.sType) {
        return pPipe->msStateCI.rasterizationSamples;
    }
    return VK_SAMPLE_COUNT_1_BIT;
}

// Validate state related to the PSO
static VkBool32 validatePipelineState(layer_data *my_data, const GLOBAL_CB_NODE *pCB, const VkPipelineBindPoint pipelineBindPoint,
                                      const VkPipeline pipeline) {
    VkBool32 skipCall = VK_FALSE;
    if (VK_PIPELINE_BIND_POINT_GRAPHICS == pipelineBindPoint) {
        // Verify that any MSAA request in PSO matches sample# in bound FB
        // Skip the check if rasterization is disabled.
        PIPELINE_NODE *pPipeline = my_data->pipelineMap[pipeline];
        if (!pPipeline->graphicsPipelineCI.pRasterizationState ||
            !pPipeline->graphicsPipelineCI.pRasterizationState->rasterizerDiscardEnable) {
            VkSampleCountFlagBits psoNumSamples = getNumSamples(my_data, pipeline);
            if (pCB->activeRenderPass) {
                const VkRenderPassCreateInfo *pRPCI = my_data->renderPassMap[pCB->activeRenderPass]->pCreateInfo;
                const VkSubpassDescription *pSD = &pRPCI->pSubpasses[pCB->activeSubpass];
                VkSampleCountFlagBits subpassNumSamples = (VkSampleCountFlagBits)0;
                uint32_t i;

                for (i = 0; i < pSD->colorAttachmentCount; i++) {
                    VkSampleCountFlagBits samples;

                    if (pSD->pColorAttachments[i].attachment == VK_ATTACHMENT_UNUSED)
                        continue;

                    samples = pRPCI->pAttachments[pSD->pColorAttachments[i].attachment].samples;
                    if (subpassNumSamples == (VkSampleCountFlagBits)0) {
                        subpassNumSamples = samples;
                    } else if (subpassNumSamples != samples) {
                        subpassNumSamples = (VkSampleCountFlagBits)-1;
                        break;
                    }
                }
                if (pSD->pDepthStencilAttachment && pSD->pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED) {
                    const VkSampleCountFlagBits samples = pRPCI->pAttachments[pSD->pDepthStencilAttachment->attachment].samples;
                    if (subpassNumSamples == (VkSampleCountFlagBits)0)
                        subpassNumSamples = samples;
                    else if (subpassNumSamples != samples)
                        subpassNumSamples = (VkSampleCountFlagBits)-1;
                }

                if ((pSD->colorAttachmentCount > 0 || pSD->pDepthStencilAttachment) &&
                    psoNumSamples != subpassNumSamples) {
                    skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_EXT,
                                        (uint64_t)pipeline, __LINE__, DRAWSTATE_NUM_SAMPLES_MISMATCH, "DS",
                                        "Num samples mismatch! Binding PSO (%#" PRIxLEAST64
                                        ") with %u samples while current RenderPass (%#" PRIxLEAST64 ") w/ %u samples!",
                                        (uint64_t)pipeline, psoNumSamples, (uint64_t)pCB->activeRenderPass, subpassNumSamples);
                }
            } else {
                // TODO : I believe it's an error if we reach this point and don't have an activeRenderPass
                //   Verify and flag error as appropriate
            }
        }
        // TODO : Add more checks here
    } else {
        // TODO : Validate non-gfx pipeline updates
    }
    return skipCall;
}

// Block of code at start here specifically for managing/tracking DSs

// Return Pool node ptr for specified pool or else NULL
static DESCRIPTOR_POOL_NODE *getPoolNode(layer_data *my_data, const VkDescriptorPool pool) {
    if (my_data->descriptorPoolMap.find(pool) == my_data->descriptorPoolMap.end()) {
        return NULL;
    }
    return my_data->descriptorPoolMap[pool];
}

static LAYOUT_NODE *getLayoutNode(layer_data *my_data, const VkDescriptorSetLayout layout) {
    if (my_data->descriptorSetLayoutMap.find(layout) == my_data->descriptorSetLayoutMap.end()) {
        return NULL;
    }
    return my_data->descriptorSetLayoutMap[layout];
}

// Return VK_FALSE if update struct is of valid type, otherwise flag error and return code from callback
static VkBool32 validUpdateStruct(layer_data *my_data, const VkDevice device, const GENERIC_HEADER *pUpdateStruct) {
    switch (pUpdateStruct->sType) {
    case VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET:
    case VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET:
        return VK_FALSE;
    default:
        return log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                       DRAWSTATE_INVALID_UPDATE_STRUCT, "DS",
                       "Unexpected UPDATE struct of type %s (value %u) in vkUpdateDescriptors() struct tree",
                       string_VkStructureType(pUpdateStruct->sType), pUpdateStruct->sType);
    }
}

// Set count for given update struct in the last parameter
// Return value of skipCall, which is only VK_TRUE if error occurs and callback signals execution to cease
static uint32_t getUpdateCount(layer_data *my_data, const VkDevice device, const GENERIC_HEADER *pUpdateStruct) {
    switch (pUpdateStruct->sType) {
    case VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET:
        return ((VkWriteDescriptorSet *)pUpdateStruct)->descriptorCount;
    case VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET:
        // TODO : Need to understand this case better and make sure code is correct
        return ((VkCopyDescriptorSet *)pUpdateStruct)->descriptorCount;
    default:
        return 0;
    }
    return 0;
}

// For given layout and update, return the first overall index of the layout that is updated
static uint32_t getUpdateStartIndex(layer_data *my_data, const VkDevice device, const LAYOUT_NODE *pLayout, const uint32_t binding,
                                    const uint32_t arrayIndex, const GENERIC_HEADER *pUpdateStruct) {
    return getBindingStartIndex(pLayout, binding) + arrayIndex;
}

// For given layout and update, return the last overall index of the layout that is updated
static uint32_t getUpdateEndIndex(layer_data *my_data, const VkDevice device, const LAYOUT_NODE *pLayout, const uint32_t binding,
                                  const uint32_t arrayIndex, const GENERIC_HEADER *pUpdateStruct) {
    uint32_t count = getUpdateCount(my_data, device, pUpdateStruct);
    return getBindingStartIndex(pLayout, binding) + arrayIndex + count - 1;
}

// Verify that the descriptor type in the update struct matches what's expected by the layout
static VkBool32 validateUpdateConsistency(layer_data *my_data, const VkDevice device, const LAYOUT_NODE *pLayout,
                                          const GENERIC_HEADER *pUpdateStruct, uint32_t startIndex, uint32_t endIndex) {
    // First get actual type of update
    VkBool32 skipCall = VK_FALSE;
    VkDescriptorType actualType;
    uint32_t i = 0;
    switch (pUpdateStruct->sType) {
    case VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET:
        actualType = ((VkWriteDescriptorSet *)pUpdateStruct)->descriptorType;
        break;
    case VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET:
        /* no need to validate */
        return VK_FALSE;
        break;
    default:
        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_UPDATE_STRUCT, "DS",
                            "Unexpected UPDATE struct of type %s (value %u) in vkUpdateDescriptors() struct tree",
                            string_VkStructureType(pUpdateStruct->sType), pUpdateStruct->sType);
    }
    if (VK_FALSE == skipCall) {
        // Set first stageFlags as reference and verify that all other updates match it
        VkShaderStageFlags refStageFlags = pLayout->stageFlags[startIndex];
        for (i = startIndex; i <= endIndex; i++) {
            if (pLayout->descriptorTypes[i] != actualType) {
                skipCall |= log_msg(
                    my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                    DRAWSTATE_DESCRIPTOR_TYPE_MISMATCH, "DS",
                    "Write descriptor update has descriptor type %s that does not match overlapping binding descriptor type of %s!",
                    string_VkDescriptorType(actualType), string_VkDescriptorType(pLayout->descriptorTypes[i]));
            }
            if (pLayout->stageFlags[i] != refStageFlags) {
                skipCall |= log_msg(
                    my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                    DRAWSTATE_DESCRIPTOR_STAGEFLAGS_MISMATCH, "DS",
                    "Write descriptor update has stageFlags %x that do not match overlapping binding descriptor stageFlags of %x!",
                    refStageFlags, pLayout->stageFlags[i]);
            }
        }
    }
    return skipCall;
}

// Determine the update type, allocate a new struct of that type, shadow the given pUpdate
//   struct into the pNewNode param. Return VK_TRUE if error condition encountered and callback signals early exit.
// NOTE : Calls to this function should be wrapped in mutex
static VkBool32 shadowUpdateNode(layer_data *my_data, const VkDevice device, GENERIC_HEADER *pUpdate, GENERIC_HEADER **pNewNode) {
    VkBool32 skipCall = VK_FALSE;
    VkWriteDescriptorSet *pWDS = NULL;
    VkCopyDescriptorSet *pCDS = NULL;
    switch (pUpdate->sType) {
    case VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET:
        pWDS = new VkWriteDescriptorSet;
        *pNewNode = (GENERIC_HEADER *)pWDS;
        memcpy(pWDS, pUpdate, sizeof(VkWriteDescriptorSet));

        switch (pWDS->descriptorType) {
        case VK_DESCRIPTOR_TYPE_SAMPLER:
        case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
        case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
        case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE: {
            VkDescriptorImageInfo *info = new VkDescriptorImageInfo[pWDS->descriptorCount];
            memcpy(info, pWDS->pImageInfo, pWDS->descriptorCount * sizeof(VkDescriptorImageInfo));
            pWDS->pImageInfo = info;
        } break;
        case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
        case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER: {
            VkBufferView *info = new VkBufferView[pWDS->descriptorCount];
            memcpy(info, pWDS->pTexelBufferView, pWDS->descriptorCount * sizeof(VkBufferView));
            pWDS->pTexelBufferView = info;
        } break;
        case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
        case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
        case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
        case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC: {
            VkDescriptorBufferInfo *info = new VkDescriptorBufferInfo[pWDS->descriptorCount];
            memcpy(info, pWDS->pBufferInfo, pWDS->descriptorCount * sizeof(VkDescriptorBufferInfo));
            pWDS->pBufferInfo = info;
        } break;
        default:
            return VK_ERROR_VALIDATION_FAILED_EXT;
            break;
        }
        break;
    case VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET:
        pCDS = new VkCopyDescriptorSet;
        *pNewNode = (GENERIC_HEADER *)pCDS;
        memcpy(pCDS, pUpdate, sizeof(VkCopyDescriptorSet));
        break;
    default:
        if (log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                    DRAWSTATE_INVALID_UPDATE_STRUCT, "DS",
                    "Unexpected UPDATE struct of type %s (value %u) in vkUpdateDescriptors() struct tree",
                    string_VkStructureType(pUpdate->sType), pUpdate->sType))
            return VK_TRUE;
    }
    // Make sure that pNext for the end of shadow copy is NULL
    (*pNewNode)->pNext = NULL;
    return skipCall;
}

// Verify that given sampler is valid
static VkBool32 validateSampler(const layer_data *my_data, const VkSampler *pSampler, const VkBool32 immutable) {
    VkBool32 skipCall = VK_FALSE;
    auto sampIt = my_data->sampleMap.find(*pSampler);
    if (sampIt == my_data->sampleMap.end()) {
        if (!immutable) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SAMPLER_EXT,
                                (uint64_t)*pSampler, __LINE__, DRAWSTATE_SAMPLER_DESCRIPTOR_ERROR, "DS",
                                "vkUpdateDescriptorSets: Attempt to update descriptor with invalid sampler %#" PRIxLEAST64,
                                (uint64_t)*pSampler);
        } else { // immutable
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SAMPLER_EXT,
                                (uint64_t)*pSampler, __LINE__, DRAWSTATE_SAMPLER_DESCRIPTOR_ERROR, "DS",
                                "vkUpdateDescriptorSets: Attempt to update descriptor whose binding has an invalid immutable "
                                "sampler %#" PRIxLEAST64,
                                (uint64_t)*pSampler);
        }
    } else {
        // TODO : Any further checks we want to do on the sampler?
    }
    return skipCall;
}

//TODO: Consolidate functions
bool FindLayout(const GLOBAL_CB_NODE *pCB, ImageSubresourcePair imgpair, IMAGE_CMD_BUF_LAYOUT_NODE &node, const VkImageAspectFlags aspectMask) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(pCB->commandBuffer), layer_data_map);
    if (!(imgpair.subresource.aspectMask & aspectMask)) {
        return false;
    }
    VkImageAspectFlags oldAspectMask = imgpair.subresource.aspectMask;
    imgpair.subresource.aspectMask = aspectMask;
    auto imgsubIt = pCB->imageLayoutMap.find(imgpair);
    if (imgsubIt == pCB->imageLayoutMap.end()) {
        return false;
    }
    if (node.layout != VK_IMAGE_LAYOUT_MAX_ENUM && node.layout != imgsubIt->second.layout) {
        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                reinterpret_cast<uint64_t&>(imgpair.image), __LINE__, DRAWSTATE_INVALID_LAYOUT, "DS",
                "Cannot query for VkImage 0x%" PRIx64 " layout when combined aspect mask %d has multiple layout types: %s and %s",
                reinterpret_cast<uint64_t&>(imgpair.image), oldAspectMask, string_VkImageLayout(node.layout), string_VkImageLayout(imgsubIt->second.layout));
    }
    if (node.initialLayout != VK_IMAGE_LAYOUT_MAX_ENUM && node.initialLayout != imgsubIt->second.initialLayout) {
        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                reinterpret_cast<uint64_t&>(imgpair.image), __LINE__, DRAWSTATE_INVALID_LAYOUT, "DS",
                "Cannot query for VkImage 0x%" PRIx64 " layout when combined aspect mask %d has multiple initial layout types: %s and %s",
                reinterpret_cast<uint64_t&>(imgpair.image), oldAspectMask, string_VkImageLayout(node.initialLayout), string_VkImageLayout(imgsubIt->second.initialLayout));
    }
    node = imgsubIt->second;
    return true;
}

bool FindLayout(const layer_data *my_data, ImageSubresourcePair imgpair, VkImageLayout &layout, const VkImageAspectFlags aspectMask) {
    if (!(imgpair.subresource.aspectMask & aspectMask)) {
        return false;
    }
    VkImageAspectFlags oldAspectMask = imgpair.subresource.aspectMask;
    imgpair.subresource.aspectMask = aspectMask;
    auto imgsubIt = my_data->imageLayoutMap.find(imgpair);
    if (imgsubIt == my_data->imageLayoutMap.end()) {
        return false;
    }
    if (layout != VK_IMAGE_LAYOUT_MAX_ENUM && layout != imgsubIt->second.layout) {
        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                reinterpret_cast<uint64_t&>(imgpair.image), __LINE__, DRAWSTATE_INVALID_LAYOUT, "DS",
                "Cannot query for VkImage 0x%" PRIx64 " layout when combined aspect mask %d has multiple layout types: %s and %s",
                reinterpret_cast<uint64_t&>(imgpair.image), oldAspectMask, string_VkImageLayout(layout), string_VkImageLayout(imgsubIt->second.layout));
    }
    layout = imgsubIt->second.layout;
    return true;
}

// find layout(s) on the cmd buf level
bool FindLayout(const GLOBAL_CB_NODE *pCB, VkImage image, VkImageSubresource range, IMAGE_CMD_BUF_LAYOUT_NODE &node) {
    ImageSubresourcePair imgpair = {image, true, range};
    node = IMAGE_CMD_BUF_LAYOUT_NODE(VK_IMAGE_LAYOUT_MAX_ENUM, VK_IMAGE_LAYOUT_MAX_ENUM);
    FindLayout(pCB, imgpair, node, VK_IMAGE_ASPECT_COLOR_BIT);
    FindLayout(pCB, imgpair, node, VK_IMAGE_ASPECT_DEPTH_BIT);
    FindLayout(pCB, imgpair, node, VK_IMAGE_ASPECT_STENCIL_BIT);
    FindLayout(pCB, imgpair, node, VK_IMAGE_ASPECT_METADATA_BIT);
    if (node.layout == VK_IMAGE_LAYOUT_MAX_ENUM) {
        imgpair = {image, false, VkImageSubresource()};
        auto imgsubIt = pCB->imageLayoutMap.find(imgpair);
        if (imgsubIt == pCB->imageLayoutMap.end())
            return false;
        node = imgsubIt->second;
    }
    return true;
}

// find layout(s) on the global level
bool FindLayout(const layer_data *my_data, ImageSubresourcePair imgpair, VkImageLayout &layout) {
    layout = VK_IMAGE_LAYOUT_MAX_ENUM;
    FindLayout(my_data, imgpair, layout, VK_IMAGE_ASPECT_COLOR_BIT);
    FindLayout(my_data, imgpair, layout, VK_IMAGE_ASPECT_DEPTH_BIT);
    FindLayout(my_data, imgpair, layout, VK_IMAGE_ASPECT_STENCIL_BIT);
    FindLayout(my_data, imgpair, layout, VK_IMAGE_ASPECT_METADATA_BIT);
    if (layout == VK_IMAGE_LAYOUT_MAX_ENUM) {
        imgpair = {imgpair.image, false, VkImageSubresource()};
        auto imgsubIt = my_data->imageLayoutMap.find(imgpair);
        if (imgsubIt == my_data->imageLayoutMap.end())
            return false;
        layout = imgsubIt->second.layout;
    }
    return true;
}

bool FindLayout(const layer_data *my_data, VkImage image, VkImageSubresource range, VkImageLayout &layout) {
    ImageSubresourcePair imgpair = {image, true, range};
    return FindLayout(my_data, imgpair, layout);
}

bool FindLayouts(const layer_data *my_data, VkImage image, std::vector<VkImageLayout> &layouts) {
    auto sub_data = my_data->imageSubresourceMap.find(image);
    if (sub_data == my_data->imageSubresourceMap.end())
        return false;
    auto imgIt = my_data->imageMap.find(image);
    if (imgIt == my_data->imageMap.end())
        return false;
    bool ignoreGlobal = false;
    // TODO: Make this robust for >1 aspect mask. Now it will just say ignore
    // potential errors in this case.
    if (sub_data->second.size() >= (imgIt->second.createInfo.arrayLayers * imgIt->second.createInfo.mipLevels + 1)) {
        ignoreGlobal = true;
    }
    for (auto imgsubpair : sub_data->second) {
        if (ignoreGlobal && !imgsubpair.hasSubresource)
            continue;
        auto img_data = my_data->imageLayoutMap.find(imgsubpair);
        if (img_data != my_data->imageLayoutMap.end()) {
            layouts.push_back(img_data->second.layout);
        }
    }
    return true;
}

// Set the layout on the global level
void SetLayout(layer_data *my_data, ImageSubresourcePair imgpair, const VkImageLayout &layout) {
    VkImage &image = imgpair.image;
    // TODO (mlentine): Maybe set format if new? Not used atm.
    my_data->imageLayoutMap[imgpair].layout = layout;
    // TODO (mlentine): Maybe make vector a set?
    auto subresource = std::find(my_data->imageSubresourceMap[image].begin(), my_data->imageSubresourceMap[image].end(), imgpair);
    if (subresource == my_data->imageSubresourceMap[image].end()) {
        my_data->imageSubresourceMap[image].push_back(imgpair);
    }
}

// Set the layout on the cmdbuf level
void SetLayout(GLOBAL_CB_NODE *pCB, ImageSubresourcePair imgpair, const IMAGE_CMD_BUF_LAYOUT_NODE &node) {
    pCB->imageLayoutMap[imgpair] = node;
    // TODO (mlentine): Maybe make vector a set?
    auto subresource =
        std::find(pCB->imageSubresourceMap[imgpair.image].begin(), pCB->imageSubresourceMap[imgpair.image].end(), imgpair);
    if (subresource == pCB->imageSubresourceMap[imgpair.image].end()) {
        pCB->imageSubresourceMap[imgpair.image].push_back(imgpair);
    }
}

void SetLayout(GLOBAL_CB_NODE *pCB, ImageSubresourcePair imgpair, const VkImageLayout &layout) {
    // TODO (mlentine): Maybe make vector a set?
    if (std::find(pCB->imageSubresourceMap[imgpair.image].begin(), pCB->imageSubresourceMap[imgpair.image].end(), imgpair) !=
        pCB->imageSubresourceMap[imgpair.image].end()) {
        pCB->imageLayoutMap[imgpair].layout = layout;
    } else {
        // TODO (mlentine): Could be expensive and might need to be removed.
        assert(imgpair.hasSubresource);
        IMAGE_CMD_BUF_LAYOUT_NODE node;
        if (!FindLayout(pCB, imgpair.image, imgpair.subresource, node)) {
            node.initialLayout = layout;
        }
        SetLayout(pCB, imgpair, {node.initialLayout, layout});
    }
}

template <class OBJECT, class LAYOUT>
void SetLayout(OBJECT *pObject, ImageSubresourcePair imgpair, const LAYOUT &layout, VkImageAspectFlags aspectMask) {
    if (imgpair.subresource.aspectMask & aspectMask) {
        imgpair.subresource.aspectMask = aspectMask;
        SetLayout(pObject, imgpair, layout);
    }
}

template <class OBJECT, class LAYOUT>
void SetLayout(OBJECT *pObject, VkImage image, VkImageSubresource range, const LAYOUT &layout) {
    ImageSubresourcePair imgpair = {image, true, range};
    SetLayout(pObject, imgpair, layout, VK_IMAGE_ASPECT_COLOR_BIT);
    SetLayout(pObject, imgpair, layout, VK_IMAGE_ASPECT_DEPTH_BIT);
    SetLayout(pObject, imgpair, layout, VK_IMAGE_ASPECT_STENCIL_BIT);
    SetLayout(pObject, imgpair, layout, VK_IMAGE_ASPECT_METADATA_BIT);
}

template <class OBJECT, class LAYOUT> void SetLayout(OBJECT *pObject, VkImage image, const LAYOUT &layout) {
    ImageSubresourcePair imgpair = {image, false, VkImageSubresource()};
    SetLayout(pObject, image, imgpair, layout);
}

void SetLayout(const layer_data *dev_data, GLOBAL_CB_NODE *pCB, VkImageView imageView, const VkImageLayout &layout) {
    auto image_view_data = dev_data->imageViewMap.find(imageView);
    assert(image_view_data != dev_data->imageViewMap.end());
    const VkImage &image = image_view_data->second.image;
    const VkImageSubresourceRange &subRange = image_view_data->second.subresourceRange;
    // TODO: Do not iterate over every possibility - consolidate where possible
    for (uint32_t j = 0; j < subRange.levelCount; j++) {
        uint32_t level = subRange.baseMipLevel + j;
        for (uint32_t k = 0; k < subRange.layerCount; k++) {
            uint32_t layer = subRange.baseArrayLayer + k;
            VkImageSubresource sub = {subRange.aspectMask, level, layer};
            SetLayout(pCB, image, sub, layout);
        }
    }
}

// Verify that given imageView is valid
static VkBool32 validateImageView(const layer_data *my_data, const VkImageView *pImageView, const VkImageLayout imageLayout) {
    VkBool32 skipCall = VK_FALSE;
    auto ivIt = my_data->imageViewMap.find(*pImageView);
    if (ivIt == my_data->imageViewMap.end()) {
        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_VIEW_EXT,
                            (uint64_t)*pImageView, __LINE__, DRAWSTATE_IMAGEVIEW_DESCRIPTOR_ERROR, "DS",
                            "vkUpdateDescriptorSets: Attempt to update descriptor with invalid imageView %#" PRIxLEAST64,
                            (uint64_t)*pImageView);
    } else {
        // Validate that imageLayout is compatible with aspectMask and image format
        VkImageAspectFlags aspectMask = ivIt->second.subresourceRange.aspectMask;
        VkImage image = ivIt->second.image;
        // TODO : Check here in case we have a bad image
        VkFormat format = VK_FORMAT_MAX_ENUM;
        auto imgIt = my_data->imageMap.find(image);
        if (imgIt != my_data->imageMap.end()) {
            format = (*imgIt).second.createInfo.format;
        } else {
            // Also need to check the swapchains.
            auto swapchainIt = my_data->device_extensions.imageToSwapchainMap.find(image);
            if (swapchainIt != my_data->device_extensions.imageToSwapchainMap.end()) {
                VkSwapchainKHR swapchain = swapchainIt->second;
                auto swapchain_nodeIt = my_data->device_extensions.swapchainMap.find(swapchain);
                if (swapchain_nodeIt != my_data->device_extensions.swapchainMap.end()) {
                    SWAPCHAIN_NODE *pswapchain_node = swapchain_nodeIt->second;
                    format = pswapchain_node->createInfo.imageFormat;
                }
            }
        }
        if (format == VK_FORMAT_MAX_ENUM) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                (uint64_t)image, __LINE__, DRAWSTATE_IMAGEVIEW_DESCRIPTOR_ERROR, "DS",
                                "vkUpdateDescriptorSets: Attempt to update descriptor with invalid image %#" PRIxLEAST64
                                " in imageView %#" PRIxLEAST64,
                                (uint64_t)image, (uint64_t)*pImageView);
        } else {
            VkBool32 ds = vk_format_is_depth_or_stencil(format);
            switch (imageLayout) {
            case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
                // Only Color bit must be set
                if ((aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) != VK_IMAGE_ASPECT_COLOR_BIT) {
                    skipCall |=
                        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_VIEW_EXT,
                                (uint64_t)*pImageView, __LINE__, DRAWSTATE_INVALID_IMAGE_ASPECT, "DS",
                                "vkUpdateDescriptorSets: Updating descriptor with layout VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL "
                                "and imageView %#" PRIxLEAST64 ""
                                " that does not have VK_IMAGE_ASPECT_COLOR_BIT set.",
                                (uint64_t)*pImageView);
                }
                // format must NOT be DS
                if (ds) {
                    skipCall |=
                        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_VIEW_EXT,
                                (uint64_t)*pImageView, __LINE__, DRAWSTATE_IMAGEVIEW_DESCRIPTOR_ERROR, "DS",
                                "vkUpdateDescriptorSets: Updating descriptor with layout VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL "
                                "and imageView %#" PRIxLEAST64 ""
                                " but the image format is %s which is not a color format.",
                                (uint64_t)*pImageView, string_VkFormat(format));
                }
                break;
            case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
            case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
                // Depth or stencil bit must be set, but both must NOT be set
                if (aspectMask & VK_IMAGE_ASPECT_DEPTH_BIT) {
                    if (aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) {
                        // both  must NOT be set
                        skipCall |=
                            log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_VIEW_EXT,
                                    (uint64_t)*pImageView, __LINE__, DRAWSTATE_INVALID_IMAGE_ASPECT, "DS",
                                    "vkUpdateDescriptorSets: Updating descriptor with imageView %#" PRIxLEAST64 ""
                                    " that has both STENCIL and DEPTH aspects set",
                                    (uint64_t)*pImageView);
                    }
                } else if (!(aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT)) {
                    // Neither were set
                    skipCall |=
                        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_VIEW_EXT,
                                (uint64_t)*pImageView, __LINE__, DRAWSTATE_INVALID_IMAGE_ASPECT, "DS",
                                "vkUpdateDescriptorSets: Updating descriptor with layout %s and imageView %#" PRIxLEAST64 ""
                                " that does not have STENCIL or DEPTH aspect set.",
                                string_VkImageLayout(imageLayout), (uint64_t)*pImageView);
                }
                // format must be DS
                if (!ds) {
                    skipCall |=
                        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_VIEW_EXT,
                                (uint64_t)*pImageView, __LINE__, DRAWSTATE_IMAGEVIEW_DESCRIPTOR_ERROR, "DS",
                                "vkUpdateDescriptorSets: Updating descriptor with layout %s and imageView %#" PRIxLEAST64 ""
                                " but the image format is %s which is not a depth/stencil format.",
                                string_VkImageLayout(imageLayout), (uint64_t)*pImageView, string_VkFormat(format));
                }
                break;
            default:
                // anything to check for other layouts?
                break;
            }
        }
    }
    return skipCall;
}

// Verify that given bufferView is valid
static VkBool32 validateBufferView(const layer_data *my_data, const VkBufferView *pBufferView) {
    VkBool32 skipCall = VK_FALSE;
    auto sampIt = my_data->bufferViewMap.find(*pBufferView);
    if (sampIt == my_data->bufferViewMap.end()) {
        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_VIEW_EXT,
                            (uint64_t)*pBufferView, __LINE__, DRAWSTATE_BUFFERVIEW_DESCRIPTOR_ERROR, "DS",
                            "vkUpdateDescriptorSets: Attempt to update descriptor with invalid bufferView %#" PRIxLEAST64,
                            (uint64_t)*pBufferView);
    } else {
        // TODO : Any further checks we want to do on the bufferView?
    }
    return skipCall;
}

// Verify that given bufferInfo is valid
static VkBool32 validateBufferInfo(const layer_data *my_data, const VkDescriptorBufferInfo *pBufferInfo) {
    VkBool32 skipCall = VK_FALSE;
    auto sampIt = my_data->bufferMap.find(pBufferInfo->buffer);
    if (sampIt == my_data->bufferMap.end()) {
        skipCall |=
            log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT,
                    (uint64_t)pBufferInfo->buffer, __LINE__, DRAWSTATE_BUFFERINFO_DESCRIPTOR_ERROR, "DS",
                    "vkUpdateDescriptorSets: Attempt to update descriptor where bufferInfo has invalid buffer %#" PRIxLEAST64,
                    (uint64_t)pBufferInfo->buffer);
    } else {
        // TODO : Any further checks we want to do on the bufferView?
    }
    return skipCall;
}

static VkBool32 validateUpdateContents(const layer_data *my_data, const VkWriteDescriptorSet *pWDS,
                                       const VkDescriptorSetLayoutBinding *pLayoutBinding) {
    VkBool32 skipCall = VK_FALSE;
    // First verify that for the given Descriptor type, the correct DescriptorInfo data is supplied
    const VkSampler *pSampler = NULL;
    VkBool32 immutable = VK_FALSE;
    uint32_t i = 0;
    // For given update type, verify that update contents are correct
    switch (pWDS->descriptorType) {
    case VK_DESCRIPTOR_TYPE_SAMPLER:
        for (i = 0; i < pWDS->descriptorCount; ++i) {
            skipCall |= validateSampler(my_data, &(pWDS->pImageInfo[i].sampler), immutable);
        }
        break;
    case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
        for (i = 0; i < pWDS->descriptorCount; ++i) {
            if (NULL == pLayoutBinding->pImmutableSamplers) {
                pSampler = &(pWDS->pImageInfo[i].sampler);
                if (immutable) {
                    skipCall |= log_msg(
                        my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SAMPLER_EXT,
                        (uint64_t)*pSampler, __LINE__, DRAWSTATE_INCONSISTENT_IMMUTABLE_SAMPLER_UPDATE, "DS",
                        "vkUpdateDescriptorSets: Update #%u is not an immutable sampler %#" PRIxLEAST64
                        ", but previous update(s) from this "
                        "VkWriteDescriptorSet struct used an immutable sampler. All updates from a single struct must either "
                        "use immutable or non-immutable samplers.",
                        i, (uint64_t)*pSampler);
                }
            } else {
                if (i > 0 && !immutable) {
                    skipCall |= log_msg(
                        my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SAMPLER_EXT,
                        (uint64_t)*pSampler, __LINE__, DRAWSTATE_INCONSISTENT_IMMUTABLE_SAMPLER_UPDATE, "DS",
                        "vkUpdateDescriptorSets: Update #%u is an immutable sampler, but previous update(s) from this "
                        "VkWriteDescriptorSet struct used a non-immutable sampler. All updates from a single struct must either "
                        "use immutable or non-immutable samplers.",
                        i);
                }
                immutable = VK_TRUE;
                pSampler = &(pLayoutBinding->pImmutableSamplers[i]);
            }
            skipCall |= validateSampler(my_data, pSampler, immutable);
        }
    // Intentionally fall through here to also validate image stuff
    case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
    case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
    case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
        for (i = 0; i < pWDS->descriptorCount; ++i) {
            skipCall |= validateImageView(my_data, &(pWDS->pImageInfo[i].imageView), pWDS->pImageInfo[i].imageLayout);
        }
        break;
    case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
    case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
        for (i = 0; i < pWDS->descriptorCount; ++i) {
            skipCall |= validateBufferView(my_data, &(pWDS->pTexelBufferView[i]));
        }
        break;
    case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
    case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
    case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
    case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
        for (i = 0; i < pWDS->descriptorCount; ++i) {
            skipCall |= validateBufferInfo(my_data, &(pWDS->pBufferInfo[i]));
        }
        break;
    default:
        break;
    }
    return skipCall;
}
// Validate that given set is valid and that it's not being used by an in-flight CmdBuffer
// func_str is the name of the calling function
// Return VK_FALSE if no errors occur
// Return VK_TRUE if validation error occurs and callback returns VK_TRUE (to skip upcoming API call down the chain)
VkBool32 validateIdleDescriptorSet(const layer_data *my_data, VkDescriptorSet set, std::string func_str) {
    VkBool32 skip_call = VK_FALSE;
    auto set_node = my_data->setMap.find(set);
    if (set_node == my_data->setMap.end()) {
        skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                             (uint64_t)(set), __LINE__, DRAWSTATE_DOUBLE_DESTROY, "DS",
                             "Cannot call %s() on descriptor set %" PRIxLEAST64 " that has not been allocated.", func_str.c_str(),
                             (uint64_t)(set));
    } else {
        if (set_node->second->in_use.load()) {
            skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                 VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)(set), __LINE__, DRAWSTATE_OBJECT_INUSE,
                                 "DS", "Cannot call %s() on descriptor set %" PRIxLEAST64 " that is in use by a command buffer.",
                                 func_str.c_str(), (uint64_t)(set));
        }
    }
    return skip_call;
}
static void invalidateBoundCmdBuffers(layer_data *dev_data, const SET_NODE *pSet) {
    // Flag any CBs this set is bound to as INVALID
    for (auto cb : pSet->boundCmdBuffers) {
        auto cb_node = dev_data->commandBufferMap.find(cb);
        if (cb_node != dev_data->commandBufferMap.end()) {
            cb_node->second->state = CB_INVALID;
        }
    }
}
// update DS mappings based on write and copy update arrays
static VkBool32 dsUpdate(layer_data *my_data, VkDevice device, uint32_t descriptorWriteCount, const VkWriteDescriptorSet *pWDS,
                         uint32_t descriptorCopyCount, const VkCopyDescriptorSet *pCDS) {
    VkBool32 skipCall = VK_FALSE;

    LAYOUT_NODE *pLayout = NULL;
    VkDescriptorSetLayoutCreateInfo *pLayoutCI = NULL;
    // Validate Write updates
    uint32_t i = 0;
    for (i = 0; i < descriptorWriteCount; i++) {
        VkDescriptorSet ds = pWDS[i].dstSet;
        SET_NODE *pSet = my_data->setMap[ds];
        // Set being updated cannot be in-flight
        if ((skipCall = validateIdleDescriptorSet(my_data, ds, "VkUpdateDescriptorSets")) == VK_TRUE)
            return skipCall;
        // If set is bound to any cmdBuffers, mark them invalid
        invalidateBoundCmdBuffers(my_data, pSet);
        GENERIC_HEADER *pUpdate = (GENERIC_HEADER *)&pWDS[i];
        pLayout = pSet->pLayout;
        // First verify valid update struct
        if ((skipCall = validUpdateStruct(my_data, device, pUpdate)) == VK_TRUE) {
            break;
        }
        uint32_t binding = 0, endIndex = 0;
        binding = pWDS[i].dstBinding;
        auto bindingToIndex = pLayout->bindingToIndexMap.find(binding);
        // Make sure that layout being updated has the binding being updated
        if (bindingToIndex == pLayout->bindingToIndexMap.end()) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                                (uint64_t)(ds), __LINE__, DRAWSTATE_INVALID_UPDATE_INDEX, "DS",
                                "Descriptor Set %" PRIu64 " does not have binding to match "
                                "update binding %u for update type "
                                "%s!",
                                (uint64_t)(ds), binding, string_VkStructureType(pUpdate->sType));
        } else {
            // Next verify that update falls within size of given binding
            endIndex = getUpdateEndIndex(my_data, device, pLayout, binding, pWDS[i].dstArrayElement, pUpdate);
            if (getBindingEndIndex(pLayout, binding) < endIndex) {
                pLayoutCI = &pLayout->createInfo;
                string DSstr = vk_print_vkdescriptorsetlayoutcreateinfo(pLayoutCI, "{DS}    ");
                skipCall |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                            (uint64_t)(ds), __LINE__, DRAWSTATE_DESCRIPTOR_UPDATE_OUT_OF_BOUNDS, "DS",
                            "Descriptor update type of %s is out of bounds for matching binding %u in Layout w/ CI:\n%s!",
                            string_VkStructureType(pUpdate->sType), binding, DSstr.c_str());
            } else { // TODO : should we skip update on a type mismatch or force it?
                uint32_t startIndex;
                startIndex = getUpdateStartIndex(my_data, device, pLayout, binding, pWDS[i].dstArrayElement, pUpdate);
                // Layout bindings match w/ update, now verify that update type
                // & stageFlags are the same for entire update
                if ((skipCall = validateUpdateConsistency(my_data, device, pLayout, pUpdate, startIndex, endIndex)) == VK_FALSE) {
                    // The update is within bounds and consistent, but need to
                    // make sure contents make sense as well
                    if ((skipCall = validateUpdateContents(my_data, &pWDS[i],
                                                           &pLayout->createInfo.pBindings[bindingToIndex->second])) == VK_FALSE) {
                        // Update is good. Save the update info
                        // Create new update struct for this set's shadow copy
                        GENERIC_HEADER *pNewNode = NULL;
                        skipCall |= shadowUpdateNode(my_data, device, pUpdate, &pNewNode);
                        if (NULL == pNewNode) {
                            skipCall |= log_msg(
                                my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                                (uint64_t)(ds), __LINE__, DRAWSTATE_OUT_OF_MEMORY, "DS",
                                "Out of memory while attempting to allocate UPDATE struct in vkUpdateDescriptors()");
                        } else {
                            // Insert shadow node into LL of updates for this set
                            pNewNode->pNext = pSet->pUpdateStructs;
                            pSet->pUpdateStructs = pNewNode;
                            // Now update appropriate descriptor(s) to point to new Update node
                            for (uint32_t j = startIndex; j <= endIndex; j++) {
                                assert(j < pSet->descriptorCount);
                                pSet->pDescriptorUpdates[j] = pNewNode;
                            }
                        }
                    }
                }
            }
        }
    }
    // Now validate copy updates
    for (i = 0; i < descriptorCopyCount; ++i) {
        SET_NODE *pSrcSet = NULL, *pDstSet = NULL;
        LAYOUT_NODE *pSrcLayout = NULL, *pDstLayout = NULL;
        uint32_t srcStartIndex = 0, srcEndIndex = 0, dstStartIndex = 0, dstEndIndex = 0;
        // For each copy make sure that update falls within given layout and that types match
        pSrcSet = my_data->setMap[pCDS[i].srcSet];
        pDstSet = my_data->setMap[pCDS[i].dstSet];
        // Set being updated cannot be in-flight
        if ((skipCall = validateIdleDescriptorSet(my_data, pDstSet->set, "VkUpdateDescriptorSets")) == VK_TRUE)
            return skipCall;
        invalidateBoundCmdBuffers(my_data, pDstSet);
        pSrcLayout = pSrcSet->pLayout;
        pDstLayout = pDstSet->pLayout;
        // Validate that src binding is valid for src set layout
        if (pSrcLayout->bindingToIndexMap.find(pCDS[i].srcBinding) == pSrcLayout->bindingToIndexMap.end()) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                                (uint64_t)pSrcSet->set, __LINE__, DRAWSTATE_INVALID_UPDATE_INDEX, "DS",
                                "Copy descriptor update %u has srcBinding %u "
                                "which is out of bounds for underlying SetLayout "
                                "%#" PRIxLEAST64 " which only has bindings 0-%u.",
                                i, pCDS[i].srcBinding, (uint64_t)pSrcLayout->layout, pSrcLayout->createInfo.bindingCount - 1);
        } else if (pDstLayout->bindingToIndexMap.find(pCDS[i].dstBinding) == pDstLayout->bindingToIndexMap.end()) {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                                (uint64_t)pDstSet->set, __LINE__, DRAWSTATE_INVALID_UPDATE_INDEX, "DS",
                                "Copy descriptor update %u has dstBinding %u "
                                "which is out of bounds for underlying SetLayout "
                                "%#" PRIxLEAST64 " which only has bindings 0-%u.",
                                i, pCDS[i].dstBinding, (uint64_t)pDstLayout->layout, pDstLayout->createInfo.bindingCount - 1);
        } else {
            // Proceed with validation. Bindings are ok, but make sure update is within bounds of given layout
            srcEndIndex = getUpdateEndIndex(my_data, device, pSrcLayout, pCDS[i].srcBinding, pCDS[i].srcArrayElement,
                                            (const GENERIC_HEADER *)&(pCDS[i]));
            dstEndIndex = getUpdateEndIndex(my_data, device, pDstLayout, pCDS[i].dstBinding, pCDS[i].dstArrayElement,
                                            (const GENERIC_HEADER *)&(pCDS[i]));
            if (getBindingEndIndex(pSrcLayout, pCDS[i].srcBinding) < srcEndIndex) {
                pLayoutCI = &pSrcLayout->createInfo;
                string DSstr = vk_print_vkdescriptorsetlayoutcreateinfo(pLayoutCI, "{DS}    ");
                skipCall |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                            (uint64_t)pSrcSet->set, __LINE__, DRAWSTATE_DESCRIPTOR_UPDATE_OUT_OF_BOUNDS, "DS",
                            "Copy descriptor src update is out of bounds for matching binding %u in Layout w/ CI:\n%s!",
                            pCDS[i].srcBinding, DSstr.c_str());
            } else if (getBindingEndIndex(pDstLayout, pCDS[i].dstBinding) < dstEndIndex) {
                pLayoutCI = &pDstLayout->createInfo;
                string DSstr = vk_print_vkdescriptorsetlayoutcreateinfo(pLayoutCI, "{DS}    ");
                skipCall |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                            (uint64_t)pDstSet->set, __LINE__, DRAWSTATE_DESCRIPTOR_UPDATE_OUT_OF_BOUNDS, "DS",
                            "Copy descriptor dest update is out of bounds for matching binding %u in Layout w/ CI:\n%s!",
                            pCDS[i].dstBinding, DSstr.c_str());
            } else {
                srcStartIndex = getUpdateStartIndex(my_data, device, pSrcLayout, pCDS[i].srcBinding, pCDS[i].srcArrayElement,
                                                    (const GENERIC_HEADER *)&(pCDS[i]));
                dstStartIndex = getUpdateStartIndex(my_data, device, pDstLayout, pCDS[i].dstBinding, pCDS[i].dstArrayElement,
                                                    (const GENERIC_HEADER *)&(pCDS[i]));
                for (uint32_t j = 0; j < pCDS[i].descriptorCount; ++j) {
                    // For copy just make sure that the types match and then perform the update
                    if (pSrcLayout->descriptorTypes[srcStartIndex + j] != pDstLayout->descriptorTypes[dstStartIndex + j]) {
                        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                            __LINE__, DRAWSTATE_DESCRIPTOR_TYPE_MISMATCH, "DS",
                                            "Copy descriptor update index %u, update count #%u, has src update descriptor type %s "
                                            "that does not match overlapping dest descriptor type of %s!",
                                            i, j + 1, string_VkDescriptorType(pSrcLayout->descriptorTypes[srcStartIndex + j]),
                                            string_VkDescriptorType(pDstLayout->descriptorTypes[dstStartIndex + j]));
                    } else {
                        // point dst descriptor at corresponding src descriptor
                        // TODO : This may be a hole. I believe copy should be its own copy,
                        //  otherwise a subsequent write update to src will incorrectly affect the copy
                        pDstSet->pDescriptorUpdates[j + dstStartIndex] = pSrcSet->pDescriptorUpdates[j + srcStartIndex];
                        pDstSet->pUpdateStructs = pSrcSet->pUpdateStructs;
                    }
                }
            }
        }
    }
    return skipCall;
}

// Verify that given pool has descriptors that are being requested for allocation.
// NOTE : Calls to this function should be wrapped in mutex
static VkBool32 validate_descriptor_availability_in_pool(layer_data *dev_data, DESCRIPTOR_POOL_NODE *pPoolNode, uint32_t count,
                                                         const VkDescriptorSetLayout *pSetLayouts) {
    VkBool32 skipCall = VK_FALSE;
    uint32_t i = 0;
    uint32_t j = 0;

    // Track number of descriptorSets allowable in this pool
    if (pPoolNode->availableSets < count) {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_POOL_EXT,
                            reinterpret_cast<uint64_t &>(pPoolNode->pool), __LINE__, DRAWSTATE_DESCRIPTOR_POOL_EMPTY, "DS",
                            "Unable to allocate %u descriptorSets from pool %#" PRIxLEAST64
                            ". This pool only has %d descriptorSets remaining.",
                            count, reinterpret_cast<uint64_t &>(pPoolNode->pool), pPoolNode->availableSets);
    } else {
        pPoolNode->availableSets -= count;
    }

    for (i = 0; i < count; ++i) {
        LAYOUT_NODE *pLayout = getLayoutNode(dev_data, pSetLayouts[i]);
        if (NULL == pLayout) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT_EXT,
                        (uint64_t)pSetLayouts[i], __LINE__, DRAWSTATE_INVALID_LAYOUT, "DS",
                        "Unable to find set layout node for layout %#" PRIxLEAST64 " specified in vkAllocateDescriptorSets() call",
                        (uint64_t)pSetLayouts[i]);
        } else {
            uint32_t typeIndex = 0, poolSizeCount = 0;
            for (j = 0; j < pLayout->createInfo.bindingCount; ++j) {
                typeIndex = static_cast<uint32_t>(pLayout->createInfo.pBindings[j].descriptorType);
                poolSizeCount = pLayout->createInfo.pBindings[j].descriptorCount;
                if (poolSizeCount > pPoolNode->availableDescriptorTypeCount[typeIndex]) {
                    skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT_EXT, (uint64_t)pLayout->layout, __LINE__,
                                        DRAWSTATE_DESCRIPTOR_POOL_EMPTY, "DS",
                                        "Unable to allocate %u descriptors of type %s from pool %#" PRIxLEAST64
                                        ". This pool only has %d descriptors of this type remaining.",
                                        poolSizeCount, string_VkDescriptorType(pLayout->createInfo.pBindings[j].descriptorType),
                                        (uint64_t)pPoolNode->pool, pPoolNode->availableDescriptorTypeCount[typeIndex]);
                } else { // Decrement available descriptors of this type
                    pPoolNode->availableDescriptorTypeCount[typeIndex] -= poolSizeCount;
                }
            }
        }
    }
    return skipCall;
}

// Free the shadowed update node for this Set
// NOTE : Calls to this function should be wrapped in mutex
static void freeShadowUpdateTree(SET_NODE *pSet) {
    GENERIC_HEADER *pShadowUpdate = pSet->pUpdateStructs;
    pSet->pUpdateStructs = NULL;
    GENERIC_HEADER *pFreeUpdate = pShadowUpdate;
    // Clear the descriptor mappings as they will now be invalid
    pSet->pDescriptorUpdates.clear();
    while (pShadowUpdate) {
        pFreeUpdate = pShadowUpdate;
        pShadowUpdate = (GENERIC_HEADER *)pShadowUpdate->pNext;
        VkWriteDescriptorSet *pWDS = NULL;
        switch (pFreeUpdate->sType) {
        case VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET:
            pWDS = (VkWriteDescriptorSet *)pFreeUpdate;
            switch (pWDS->descriptorType) {
            case VK_DESCRIPTOR_TYPE_SAMPLER:
            case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
            case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
            case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE: {
                delete[] pWDS->pImageInfo;
            } break;
            case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
            case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER: {
                delete[] pWDS->pTexelBufferView;
            } break;
            case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
            case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
            case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
            case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC: {
                delete[] pWDS->pBufferInfo;
            } break;
            default:
                break;
            }
            break;
        case VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET:
            break;
        default:
            assert(0);
            break;
        }
        delete pFreeUpdate;
    }
}

// Free all DS Pools including their Sets & related sub-structs
// NOTE : Calls to this function should be wrapped in mutex
static void deletePools(layer_data *my_data) {
    if (my_data->descriptorPoolMap.size() <= 0)
        return;
    for (auto ii = my_data->descriptorPoolMap.begin(); ii != my_data->descriptorPoolMap.end(); ++ii) {
        SET_NODE *pSet = (*ii).second->pSets;
        SET_NODE *pFreeSet = pSet;
        while (pSet) {
            pFreeSet = pSet;
            pSet = pSet->pNext;
            // Freeing layouts handled in deleteLayouts() function
            // Free Update shadow struct tree
            freeShadowUpdateTree(pFreeSet);
            delete pFreeSet;
        }
        delete (*ii).second;
    }
    my_data->descriptorPoolMap.clear();
}

// WARN : Once deleteLayouts() called, any layout ptrs in Pool/Set data structure will be invalid
// NOTE : Calls to this function should be wrapped in mutex
static void deleteLayouts(layer_data *my_data) {
    if (my_data->descriptorSetLayoutMap.size() <= 0)
        return;
    for (auto ii = my_data->descriptorSetLayoutMap.begin(); ii != my_data->descriptorSetLayoutMap.end(); ++ii) {
        LAYOUT_NODE *pLayout = (*ii).second;
        if (pLayout->createInfo.pBindings) {
            for (uint32_t i = 0; i < pLayout->createInfo.bindingCount; i++) {
                delete[] pLayout->createInfo.pBindings[i].pImmutableSamplers;
            }
            delete[] pLayout->createInfo.pBindings;
        }
        delete pLayout;
    }
    my_data->descriptorSetLayoutMap.clear();
}

// Currently clearing a set is removing all previous updates to that set
//  TODO : Validate if this is correct clearing behavior
static void clearDescriptorSet(layer_data *my_data, VkDescriptorSet set) {
    SET_NODE *pSet = getSetNode(my_data, set);
    if (!pSet) {
        // TODO : Return error
    } else {
        freeShadowUpdateTree(pSet);
    }
}

static void clearDescriptorPool(layer_data *my_data, const VkDevice device, const VkDescriptorPool pool,
                                VkDescriptorPoolResetFlags flags) {
    DESCRIPTOR_POOL_NODE *pPool = getPoolNode(my_data, pool);
    if (!pPool) {
        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_POOL_EXT,
                (uint64_t)pool, __LINE__, DRAWSTATE_INVALID_POOL, "DS",
                "Unable to find pool node for pool %#" PRIxLEAST64 " specified in vkResetDescriptorPool() call", (uint64_t)pool);
    } else {
        // TODO: validate flags
        // For every set off of this pool, clear it
        SET_NODE *pSet = pPool->pSets;
        while (pSet) {
            clearDescriptorSet(my_data, pSet->set);
            pSet = pSet->pNext;
        }
        // Reset available count for each type and available sets for this pool
        for (uint32_t i = 0; i < pPool->availableDescriptorTypeCount.size(); ++i) {
            pPool->availableDescriptorTypeCount[i] = pPool->maxDescriptorTypeCount[i];
        }
        pPool->availableSets = pPool->maxSets;
    }
}

// For given CB object, fetch associated CB Node from map
static GLOBAL_CB_NODE *getCBNode(layer_data *my_data, const VkCommandBuffer cb) {
    if (my_data->commandBufferMap.count(cb) == 0) {
        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                reinterpret_cast<const uint64_t &>(cb), __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                "Attempt to use CommandBuffer %#" PRIxLEAST64 " that doesn't exist!", (uint64_t)(cb));
        return NULL;
    }
    return my_data->commandBufferMap[cb];
}

// Free all CB Nodes
// NOTE : Calls to this function should be wrapped in mutex
static void deleteCommandBuffers(layer_data *my_data) {
    if (my_data->commandBufferMap.size() <= 0) {
        return;
    }
    for (auto ii = my_data->commandBufferMap.begin(); ii != my_data->commandBufferMap.end(); ++ii) {
        delete (*ii).second;
    }
    my_data->commandBufferMap.clear();
}

static VkBool32 report_error_no_cb_begin(const layer_data *dev_data, const VkCommandBuffer cb, const char *caller_name) {
    return log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                   (uint64_t)cb, __LINE__, DRAWSTATE_NO_BEGIN_COMMAND_BUFFER, "DS",
                   "You must call vkBeginCommandBuffer() before this call to %s", caller_name);
}

VkBool32 validateCmdsInCmdBuffer(const layer_data *dev_data, const GLOBAL_CB_NODE *pCB, const CMD_TYPE cmd_type) {
    if (!pCB->activeRenderPass)
        return VK_FALSE;
    VkBool32 skip_call = VK_FALSE;
    if (pCB->activeSubpassContents == VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS && cmd_type != CMD_EXECUTECOMMANDS) {
        skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                             DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                             "Commands cannot be called in a subpass using secondary command buffers.");
    } else if (pCB->activeSubpassContents == VK_SUBPASS_CONTENTS_INLINE && cmd_type == CMD_EXECUTECOMMANDS) {
        skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                             DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                             "vkCmdExecuteCommands() cannot be called in a subpass using inline commands.");
    }
    return skip_call;
}

static bool checkGraphicsBit(const layer_data *my_data, VkQueueFlags flags, const char *name) {
    if (!(flags & VK_QUEUE_GRAPHICS_BIT))
        return log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                       DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                       "Cannot call %s on a command buffer allocated from a pool without graphics capabilities.", name);
    return false;
}

static bool checkComputeBit(const layer_data *my_data, VkQueueFlags flags, const char *name) {
    if (!(flags & VK_QUEUE_COMPUTE_BIT))
        return log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                       DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                       "Cannot call %s on a command buffer allocated from a pool without compute capabilities.", name);
    return false;
}

static bool checkGraphicsOrComputeBit(const layer_data *my_data, VkQueueFlags flags, const char *name) {
    if (!((flags & VK_QUEUE_GRAPHICS_BIT) || (flags & VK_QUEUE_COMPUTE_BIT)))
        return log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                       DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                       "Cannot call %s on a command buffer allocated from a pool without graphics capabilities.", name);
    return false;
}

// Add specified CMD to the CmdBuffer in given pCB, flagging errors if CB is not
//  in the recording state or if there's an issue with the Cmd ordering
static VkBool32 addCmd(const layer_data *my_data, GLOBAL_CB_NODE *pCB, const CMD_TYPE cmd, const char *caller_name) {
    VkBool32 skipCall = VK_FALSE;
    auto pool_data = my_data->commandPoolMap.find(pCB->createInfo.commandPool);
    if (pool_data != my_data->commandPoolMap.end()) {
        VkQueueFlags flags = my_data->physDevProperties.queue_family_properties[pool_data->second.queueFamilyIndex].queueFlags;
        switch (cmd) {
        case CMD_BINDPIPELINE:
        case CMD_BINDPIPELINEDELTA:
        case CMD_BINDDESCRIPTORSETS:
        case CMD_FILLBUFFER:
        case CMD_CLEARCOLORIMAGE:
        case CMD_SETEVENT:
        case CMD_RESETEVENT:
        case CMD_WAITEVENTS:
        case CMD_BEGINQUERY:
        case CMD_ENDQUERY:
        case CMD_RESETQUERYPOOL:
        case CMD_COPYQUERYPOOLRESULTS:
        case CMD_WRITETIMESTAMP:
            skipCall |= checkGraphicsOrComputeBit(my_data, flags, cmdTypeToString(cmd).c_str());
            break;
        case CMD_SETVIEWPORTSTATE:
        case CMD_SETSCISSORSTATE:
        case CMD_SETLINEWIDTHSTATE:
        case CMD_SETDEPTHBIASSTATE:
        case CMD_SETBLENDSTATE:
        case CMD_SETDEPTHBOUNDSSTATE:
        case CMD_SETSTENCILREADMASKSTATE:
        case CMD_SETSTENCILWRITEMASKSTATE:
        case CMD_SETSTENCILREFERENCESTATE:
        case CMD_BINDINDEXBUFFER:
        case CMD_BINDVERTEXBUFFER:
        case CMD_DRAW:
        case CMD_DRAWINDEXED:
        case CMD_DRAWINDIRECT:
        case CMD_DRAWINDEXEDINDIRECT:
        case CMD_BLITIMAGE:
        case CMD_CLEARATTACHMENTS:
        case CMD_CLEARDEPTHSTENCILIMAGE:
        case CMD_RESOLVEIMAGE:
        case CMD_BEGINRENDERPASS:
        case CMD_NEXTSUBPASS:
        case CMD_ENDRENDERPASS:
            skipCall |= checkGraphicsBit(my_data, flags, cmdTypeToString(cmd).c_str());
            break;
        case CMD_DISPATCH:
        case CMD_DISPATCHINDIRECT:
            skipCall |= checkComputeBit(my_data, flags, cmdTypeToString(cmd).c_str());
            break;
        case CMD_COPYBUFFER:
        case CMD_COPYIMAGE:
        case CMD_COPYBUFFERTOIMAGE:
        case CMD_COPYIMAGETOBUFFER:
        case CMD_CLONEIMAGEDATA:
        case CMD_UPDATEBUFFER:
        case CMD_PIPELINEBARRIER:
        case CMD_EXECUTECOMMANDS:
            break;
        default:
            break;
        }
    }
    if (pCB->state != CB_RECORDING) {
        skipCall |= report_error_no_cb_begin(my_data, pCB->commandBuffer, caller_name);
        skipCall |= validateCmdsInCmdBuffer(my_data, pCB, cmd);
        CMD_NODE cmdNode = {};
        // init cmd node and append to end of cmd LL
        cmdNode.cmdNumber = ++pCB->numCmds;
        cmdNode.type = cmd;
        pCB->cmds.push_back(cmdNode);
    }
    return skipCall;
}
// Reset the command buffer state
//  Maintain the createInfo and set state to CB_NEW, but clear all other state
static void resetCB(layer_data *my_data, const VkCommandBuffer cb) {
    GLOBAL_CB_NODE *pCB = my_data->commandBufferMap[cb];
    if (pCB) {
        pCB->cmds.clear();
        // Reset CB state (note that createInfo is not cleared)
        pCB->commandBuffer = cb;
        memset(&pCB->beginInfo, 0, sizeof(VkCommandBufferBeginInfo));
        memset(&pCB->inheritanceInfo, 0, sizeof(VkCommandBufferInheritanceInfo));
        pCB->numCmds = 0;
        memset(pCB->drawCount, 0, NUM_DRAW_TYPES * sizeof(uint64_t));
        pCB->state = CB_NEW;
        pCB->submitCount = 0;
        pCB->status = 0;
        pCB->viewports.clear();
        pCB->scissors.clear();
        for (uint32_t i = 0; i < VK_PIPELINE_BIND_POINT_RANGE_SIZE; ++i) {
            // Before clearing lastBoundState, remove any CB bindings from all uniqueBoundSets
            for (auto set : pCB->lastBound[i].uniqueBoundSets) {
                auto set_node = my_data->setMap.find(set);
                if (set_node != my_data->setMap.end()) {
                    set_node->second->boundCmdBuffers.erase(pCB->commandBuffer);
                }
            }
            pCB->lastBound[i].reset();
        }
        memset(&pCB->activeRenderPassBeginInfo, 0, sizeof(pCB->activeRenderPassBeginInfo));
        pCB->activeRenderPass = 0;
        pCB->activeSubpassContents = VK_SUBPASS_CONTENTS_INLINE;
        pCB->activeSubpass = 0;
        pCB->framebuffer = 0;
        pCB->fenceId = 0;
        pCB->lastSubmittedFence = VK_NULL_HANDLE;
        pCB->lastSubmittedQueue = VK_NULL_HANDLE;
        pCB->destroyedSets.clear();
        pCB->updatedSets.clear();
        pCB->destroyedFramebuffers.clear();
        pCB->waitedEvents.clear();
        pCB->semaphores.clear();
        pCB->events.clear();
        pCB->waitedEventsBeforeQueryReset.clear();
        pCB->queryToStateMap.clear();
        pCB->activeQueries.clear();
        pCB->startedQueries.clear();
        pCB->imageLayoutMap.clear();
        pCB->eventToStageMap.clear();
        pCB->drawData.clear();
        pCB->currentDrawData.buffers.clear();
        pCB->primaryCommandBuffer = VK_NULL_HANDLE;
        pCB->secondaryCommandBuffers.clear();
        pCB->updateImages.clear();
        pCB->updateBuffers.clear();
        pCB->validate_functions.clear();
        pCB->memObjs.clear();
        pCB->eventUpdates.clear();
    }
}

// Set PSO-related status bits for CB, including dynamic state set via PSO
static void set_cb_pso_status(GLOBAL_CB_NODE *pCB, const PIPELINE_NODE *pPipe) {
    // Account for any dynamic state not set via this PSO
    if (!pPipe->dynStateCI.dynamicStateCount) { // All state is static
        pCB->status = CBSTATUS_ALL;
    } else {
        // First consider all state on
        // Then unset any state that's noted as dynamic in PSO
        // Finally OR that into CB statemask
        CBStatusFlags psoDynStateMask = CBSTATUS_ALL;
        for (uint32_t i = 0; i < pPipe->dynStateCI.dynamicStateCount; i++) {
            switch (pPipe->dynStateCI.pDynamicStates[i]) {
            case VK_DYNAMIC_STATE_VIEWPORT:
                psoDynStateMask &= ~CBSTATUS_VIEWPORT_SET;
                break;
            case VK_DYNAMIC_STATE_SCISSOR:
                psoDynStateMask &= ~CBSTATUS_SCISSOR_SET;
                break;
            case VK_DYNAMIC_STATE_LINE_WIDTH:
                psoDynStateMask &= ~CBSTATUS_LINE_WIDTH_SET;
                break;
            case VK_DYNAMIC_STATE_DEPTH_BIAS:
                psoDynStateMask &= ~CBSTATUS_DEPTH_BIAS_SET;
                break;
            case VK_DYNAMIC_STATE_BLEND_CONSTANTS:
                psoDynStateMask &= ~CBSTATUS_BLEND_CONSTANTS_SET;
                break;
            case VK_DYNAMIC_STATE_DEPTH_BOUNDS:
                psoDynStateMask &= ~CBSTATUS_DEPTH_BOUNDS_SET;
                break;
            case VK_DYNAMIC_STATE_STENCIL_COMPARE_MASK:
                psoDynStateMask &= ~CBSTATUS_STENCIL_READ_MASK_SET;
                break;
            case VK_DYNAMIC_STATE_STENCIL_WRITE_MASK:
                psoDynStateMask &= ~CBSTATUS_STENCIL_WRITE_MASK_SET;
                break;
            case VK_DYNAMIC_STATE_STENCIL_REFERENCE:
                psoDynStateMask &= ~CBSTATUS_STENCIL_REFERENCE_SET;
                break;
            default:
                // TODO : Flag error here
                break;
            }
        }
        pCB->status |= psoDynStateMask;
    }
}

// Print the last bound Gfx Pipeline
static VkBool32 printPipeline(layer_data *my_data, const VkCommandBuffer cb) {
    VkBool32 skipCall = VK_FALSE;
    GLOBAL_CB_NODE *pCB = getCBNode(my_data, cb);
    if (pCB) {
        PIPELINE_NODE *pPipeTrav = getPipeline(my_data, pCB->lastBound[VK_PIPELINE_BIND_POINT_GRAPHICS].pipeline);
        if (!pPipeTrav) {
            // nothing to print
        } else {
            skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                __LINE__, DRAWSTATE_NONE, "DS", "%s",
                                vk_print_vkgraphicspipelinecreateinfo(&pPipeTrav->graphicsPipelineCI, "{DS}").c_str());
        }
    }
    return skipCall;
}

static void printCB(layer_data *my_data, const VkCommandBuffer cb) {
    GLOBAL_CB_NODE *pCB = getCBNode(my_data, cb);
    if (pCB && pCB->cmds.size() > 0) {
        log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                DRAWSTATE_NONE, "DS", "Cmds in CB %p", (void *)cb);
        vector<CMD_NODE> cmds = pCB->cmds;
        for (auto ii = cmds.begin(); ii != cmds.end(); ++ii) {
            // TODO : Need to pass cb as srcObj here
            log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                    __LINE__, DRAWSTATE_NONE, "DS", "  CMD#%" PRIu64 ": %s", (*ii).cmdNumber, cmdTypeToString((*ii).type).c_str());
        }
    } else {
        // Nothing to print
    }
}

static VkBool32 synchAndPrintDSConfig(layer_data *my_data, const VkCommandBuffer cb) {
    VkBool32 skipCall = VK_FALSE;
    if (!(my_data->report_data->active_flags & VK_DEBUG_REPORT_INFORMATION_BIT_EXT)) {
        return skipCall;
    }
    skipCall |= printPipeline(my_data, cb);
    return skipCall;
}

// Flags validation error if the associated call is made inside a render pass. The apiName
// routine should ONLY be called outside a render pass.
static VkBool32 insideRenderPass(const layer_data *my_data, GLOBAL_CB_NODE *pCB, const char *apiName) {
    VkBool32 inside = VK_FALSE;
    if (pCB->activeRenderPass) {
        inside = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                         (uint64_t)pCB->commandBuffer, __LINE__, DRAWSTATE_INVALID_RENDERPASS_CMD, "DS",
                         "%s: It is invalid to issue this call inside an active render pass (%#" PRIxLEAST64 ")", apiName,
                         (uint64_t)pCB->activeRenderPass);
    }
    return inside;
}

// Flags validation error if the associated call is made outside a render pass. The apiName
// routine should ONLY be called inside a render pass.
static VkBool32 outsideRenderPass(const layer_data *my_data, GLOBAL_CB_NODE *pCB, const char *apiName) {
    VkBool32 outside = VK_FALSE;
    if (((pCB->createInfo.level == VK_COMMAND_BUFFER_LEVEL_PRIMARY) && (!pCB->activeRenderPass)) ||
        ((pCB->createInfo.level == VK_COMMAND_BUFFER_LEVEL_SECONDARY) && (!pCB->activeRenderPass) &&
         !(pCB->beginInfo.flags & VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT))) {
        outside = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                          (uint64_t)pCB->commandBuffer, __LINE__, DRAWSTATE_NO_ACTIVE_RENDERPASS, "DS",
                          "%s: This call must be issued inside an active render pass.", apiName);
    }
    return outside;
}

static void init_core_validation(layer_data *my_data, const VkAllocationCallbacks *pAllocator) {

    layer_debug_actions(my_data->report_data, my_data->logging_callback, pAllocator, "lunarg_core_validation");

    if (!globalLockInitialized) {
        loader_platform_thread_create_mutex(&globalLock);
        globalLockInitialized = 1;
    }
#if MTMERGESOURCE
    // Zero out memory property data
    memset(&memProps, 0, sizeof(VkPhysicalDeviceMemoryProperties));
#endif
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkCreateInstance(const VkInstanceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkInstance *pInstance) {
    VkLayerInstanceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO);

    assert(chain_info->u.pLayerInfo);
    PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr = chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr;
    PFN_vkCreateInstance fpCreateInstance = (PFN_vkCreateInstance)fpGetInstanceProcAddr(NULL, "vkCreateInstance");
    if (fpCreateInstance == NULL)
        return VK_ERROR_INITIALIZATION_FAILED;

    // Advance the link info for the next element on the chain
    chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext;

    VkResult result = fpCreateInstance(pCreateInfo, pAllocator, pInstance);
    if (result != VK_SUCCESS)
        return result;

    layer_data *my_data = get_my_data_ptr(get_dispatch_key(*pInstance), layer_data_map);
    my_data->instance_dispatch_table = new VkLayerInstanceDispatchTable;
    layer_init_instance_dispatch_table(*pInstance, my_data->instance_dispatch_table, fpGetInstanceProcAddr);

    my_data->report_data = debug_report_create_instance(my_data->instance_dispatch_table, *pInstance,
                                                        pCreateInfo->enabledExtensionCount, pCreateInfo->ppEnabledExtensionNames);

    init_core_validation(my_data, pAllocator);

    ValidateLayerOrdering(*pCreateInfo);

    return result;
}

/* hook DestroyInstance to remove tableInstanceMap entry */
VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyInstance(VkInstance instance, const VkAllocationCallbacks *pAllocator) {
    // TODOSC : Shouldn't need any customization here
    dispatch_key key = get_dispatch_key(instance);
    // TBD: Need any locking this early, in case this function is called at the
    // same time by more than one thread?
    layer_data *my_data = get_my_data_ptr(key, layer_data_map);
    VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
    pTable->DestroyInstance(instance, pAllocator);

    loader_platform_thread_lock_mutex(&globalLock);
    // Clean up logging callback, if any
    while (my_data->logging_callback.size() > 0) {
        VkDebugReportCallbackEXT callback = my_data->logging_callback.back();
        layer_destroy_msg_callback(my_data->report_data, callback, pAllocator);
        my_data->logging_callback.pop_back();
    }

    layer_debug_report_destroy_instance(my_data->report_data);
    delete my_data->instance_dispatch_table;
    layer_data_map.erase(key);
    loader_platform_thread_unlock_mutex(&globalLock);
    if (layer_data_map.empty()) {
        // Release mutex when destroying last instance.
        loader_platform_thread_delete_mutex(&globalLock);
        globalLockInitialized = 0;
    }
}

static void createDeviceRegisterExtensions(const VkDeviceCreateInfo *pCreateInfo, VkDevice device) {
    uint32_t i;
    // TBD: Need any locking, in case this function is called at the same time
    // by more than one thread?
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    dev_data->device_extensions.wsi_enabled = false;

    VkLayerDispatchTable *pDisp = dev_data->device_dispatch_table;
    PFN_vkGetDeviceProcAddr gpa = pDisp->GetDeviceProcAddr;
    pDisp->CreateSwapchainKHR = (PFN_vkCreateSwapchainKHR)gpa(device, "vkCreateSwapchainKHR");
    pDisp->DestroySwapchainKHR = (PFN_vkDestroySwapchainKHR)gpa(device, "vkDestroySwapchainKHR");
    pDisp->GetSwapchainImagesKHR = (PFN_vkGetSwapchainImagesKHR)gpa(device, "vkGetSwapchainImagesKHR");
    pDisp->AcquireNextImageKHR = (PFN_vkAcquireNextImageKHR)gpa(device, "vkAcquireNextImageKHR");
    pDisp->QueuePresentKHR = (PFN_vkQueuePresentKHR)gpa(device, "vkQueuePresentKHR");

    for (i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
        if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_SWAPCHAIN_EXTENSION_NAME) == 0)
            dev_data->device_extensions.wsi_enabled = true;
    }
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateDevice(VkPhysicalDevice gpu, const VkDeviceCreateInfo *pCreateInfo,
                                                              const VkAllocationCallbacks *pAllocator, VkDevice *pDevice) {
    VkLayerDeviceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO);

    assert(chain_info->u.pLayerInfo);
    PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr = chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr;
    PFN_vkGetDeviceProcAddr fpGetDeviceProcAddr = chain_info->u.pLayerInfo->pfnNextGetDeviceProcAddr;
    PFN_vkCreateDevice fpCreateDevice = (PFN_vkCreateDevice)fpGetInstanceProcAddr(NULL, "vkCreateDevice");
    if (fpCreateDevice == NULL) {
        return VK_ERROR_INITIALIZATION_FAILED;
    }

    // Advance the link info for the next element on the chain
    chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext;

    VkResult result = fpCreateDevice(gpu, pCreateInfo, pAllocator, pDevice);
    if (result != VK_SUCCESS) {
        return result;
    }

    loader_platform_thread_lock_mutex(&globalLock);
    layer_data *my_instance_data = get_my_data_ptr(get_dispatch_key(gpu), layer_data_map);
    layer_data *my_device_data = get_my_data_ptr(get_dispatch_key(*pDevice), layer_data_map);

    // Setup device dispatch table
    my_device_data->device_dispatch_table = new VkLayerDispatchTable;
    layer_init_device_dispatch_table(*pDevice, my_device_data->device_dispatch_table, fpGetDeviceProcAddr);
    my_device_data->device = *pDevice;

    my_device_data->report_data = layer_debug_report_create_device(my_instance_data->report_data, *pDevice);
    createDeviceRegisterExtensions(pCreateInfo, *pDevice);
    // Get physical device limits for this device
    my_instance_data->instance_dispatch_table->GetPhysicalDeviceProperties(gpu, &(my_device_data->physDevProperties.properties));
    uint32_t count;
    my_instance_data->instance_dispatch_table->GetPhysicalDeviceQueueFamilyProperties(gpu, &count, nullptr);
    my_device_data->physDevProperties.queue_family_properties.resize(count);
    my_instance_data->instance_dispatch_table->GetPhysicalDeviceQueueFamilyProperties(
        gpu, &count, &my_device_data->physDevProperties.queue_family_properties[0]);
    // TODO: device limits should make sure these are compatible
    if (pCreateInfo->pEnabledFeatures) {
        my_device_data->physDevProperties.features = *pCreateInfo->pEnabledFeatures;
    } else {
        memset(&my_device_data->physDevProperties.features, 0, sizeof(VkPhysicalDeviceFeatures));
    }
    loader_platform_thread_unlock_mutex(&globalLock);

    ValidateLayerOrdering(*pCreateInfo);

    return result;
}

// prototype
static void deleteRenderPasses(layer_data *);
VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyDevice(VkDevice device, const VkAllocationCallbacks *pAllocator) {
    // TODOSC : Shouldn't need any customization here
    dispatch_key key = get_dispatch_key(device);
    layer_data *dev_data = get_my_data_ptr(key, layer_data_map);
    // Free all the memory
    loader_platform_thread_lock_mutex(&globalLock);
    deletePipelines(dev_data);
    deleteRenderPasses(dev_data);
    deleteCommandBuffers(dev_data);
    deletePools(dev_data);
    deleteLayouts(dev_data);
    dev_data->imageViewMap.clear();
    dev_data->imageMap.clear();
    dev_data->imageSubresourceMap.clear();
    dev_data->imageLayoutMap.clear();
    dev_data->bufferViewMap.clear();
    dev_data->bufferMap.clear();
    loader_platform_thread_unlock_mutex(&globalLock);
#if MTMERGESOURCE
    VkBool32 skipCall = VK_FALSE;
    loader_platform_thread_lock_mutex(&globalLock);
    log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT,
            (uint64_t)device, __LINE__, MEMTRACK_NONE, "MEM", "Printing List details prior to vkDestroyDevice()");
    log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT,
            (uint64_t)device, __LINE__, MEMTRACK_NONE, "MEM", "================================================");
    print_mem_list(dev_data, device);
    printCBList(dev_data, device);
    delete_cmd_buf_info_list(dev_data);
    // Report any memory leaks
    DEVICE_MEM_INFO *pInfo = NULL;
    if (dev_data->memObjMap.size() > 0) {
        for (auto ii = dev_data->memObjMap.begin(); ii != dev_data->memObjMap.end(); ++ii) {
            pInfo = &(*ii).second;
            if (pInfo->allocInfo.allocationSize != 0) {
                // Valid Usage: All child objects created on device must have been destroyed prior to destroying device
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                            VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, (uint64_t)pInfo->mem, __LINE__, MEMTRACK_MEMORY_LEAK,
                            "MEM", "Mem Object %" PRIu64 " has not been freed. You should clean up this memory by calling "
                                   "vkFreeMemory(%" PRIu64 ") prior to vkDestroyDevice().",
                            (uint64_t)(pInfo->mem), (uint64_t)(pInfo->mem));
            }
        }
    }
    // Queues persist until device is destroyed
    delete_queue_info_list(dev_data);
    layer_debug_report_destroy_device(device);
    loader_platform_thread_unlock_mutex(&globalLock);

#if DISPATCH_MAP_DEBUG
    fprintf(stderr, "Device: %p, key: %p\n", device, key);
#endif
    VkLayerDispatchTable *pDisp = dev_data->device_dispatch_table;
    if (VK_FALSE == skipCall) {
        pDisp->DestroyDevice(device, pAllocator);
    }
#else
    dev_data->device_dispatch_table->DestroyDevice(device, pAllocator);
#endif
    delete dev_data->device_dispatch_table;
    layer_data_map.erase(key);
}

#if MTMERGESOURCE
VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkGetPhysicalDeviceMemoryProperties(VkPhysicalDevice physicalDevice, VkPhysicalDeviceMemoryProperties *pMemoryProperties) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
    VkLayerInstanceDispatchTable *pInstanceTable = my_data->instance_dispatch_table;
    pInstanceTable->GetPhysicalDeviceMemoryProperties(physicalDevice, pMemoryProperties);
    memcpy(&memProps, pMemoryProperties, sizeof(VkPhysicalDeviceMemoryProperties));
}
#endif

static const VkExtensionProperties instance_extensions[] = {{VK_EXT_DEBUG_REPORT_EXTENSION_NAME, VK_EXT_DEBUG_REPORT_SPEC_VERSION}};

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkEnumerateInstanceExtensionProperties(const char *pLayerName, uint32_t *pCount, VkExtensionProperties *pProperties) {
    return util_GetExtensionProperties(1, instance_extensions, pCount, pProperties);
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkEnumerateInstanceLayerProperties(uint32_t *pCount, VkLayerProperties *pProperties) {
    return util_GetLayerProperties(ARRAY_SIZE(cv_global_layers), cv_global_layers, pCount, pProperties);
}

// TODO: Why does this exist - can we just use global?
static const VkLayerProperties cv_device_layers[] = {{
    "VK_LAYER_LUNARG_core_validation", VK_LAYER_API_VERSION, 1, "LunarG Validation Layer",
}};

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateDeviceExtensionProperties(VkPhysicalDevice physicalDevice,
                                                                                    const char *pLayerName, uint32_t *pCount,
                                                                                    VkExtensionProperties *pProperties) {
    if (pLayerName == NULL) {
        dispatch_key key = get_dispatch_key(physicalDevice);
        layer_data *my_data = get_my_data_ptr(key, layer_data_map);
        return my_data->instance_dispatch_table->EnumerateDeviceExtensionProperties(physicalDevice, NULL, pCount, pProperties);
    } else {
        return util_GetExtensionProperties(0, NULL, pCount, pProperties);
    }
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkEnumerateDeviceLayerProperties(VkPhysicalDevice physicalDevice, uint32_t *pCount, VkLayerProperties *pProperties) {
    /* draw_state physical device layers are the same as global */
    return util_GetLayerProperties(ARRAY_SIZE(cv_device_layers), cv_device_layers, pCount, pProperties);
}

// This validates that the initial layout specified in the command buffer for
// the IMAGE is the same
// as the global IMAGE layout
VkBool32 ValidateCmdBufImageLayouts(VkCommandBuffer cmdBuffer) {
    VkBool32 skip_call = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, cmdBuffer);
    for (auto cb_image_data : pCB->imageLayoutMap) {
        VkImageLayout imageLayout;
        if (!FindLayout(dev_data, cb_image_data.first, imageLayout)) {
            skip_call |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                        __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS", "Cannot submit cmd buffer using deleted image %" PRIu64 ".",
                        reinterpret_cast<const uint64_t &>(cb_image_data.first));
        } else {
            if (cb_image_data.second.initialLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
                // TODO: Set memory invalid which is in mem_tracker currently
            } else if (imageLayout != cb_image_data.second.initialLayout) {
                skip_call |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            reinterpret_cast<uint64_t &>(cmdBuffer), __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                            "Cannot submit cmd buffer using image (%" PRIx64 ") with layout %s when "
                            "first use is %s.",
                            reinterpret_cast<const uint64_t &>(cb_image_data.first.image), string_VkImageLayout(imageLayout),
                            string_VkImageLayout(cb_image_data.second.initialLayout));
            }
            SetLayout(dev_data, cb_image_data.first, cb_image_data.second.layout);
        }
    }
    return skip_call;
}

// Track which resources are in-flight by atomically incrementing their "in_use" count
VkBool32 validateAndIncrementResources(layer_data *my_data, GLOBAL_CB_NODE *pCB) {
    VkBool32 skip_call = VK_FALSE;
    for (auto drawDataElement : pCB->drawData) {
        for (auto buffer : drawDataElement.buffers) {
            auto buffer_data = my_data->bufferMap.find(buffer);
            if (buffer_data == my_data->bufferMap.end()) {
                skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT,
                                     (uint64_t)(buffer), __LINE__, DRAWSTATE_INVALID_BUFFER, "DS",
                                     "Cannot submit cmd buffer using deleted buffer %" PRIu64 ".", (uint64_t)(buffer));
            } else {
                buffer_data->second.in_use.fetch_add(1);
            }
        }
    }
    for (uint32_t i = 0; i < VK_PIPELINE_BIND_POINT_RANGE_SIZE; ++i) {
        for (auto set : pCB->lastBound[i].uniqueBoundSets) {
            auto setNode = my_data->setMap.find(set);
            if (setNode == my_data->setMap.end()) {
                skip_call |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                            (uint64_t)(set), __LINE__, DRAWSTATE_INVALID_DESCRIPTOR_SET, "DS",
                            "Cannot submit cmd buffer using deleted descriptor set %" PRIu64 ".", (uint64_t)(set));
            } else {
                setNode->second->in_use.fetch_add(1);
            }
        }
    }
    for (auto semaphore : pCB->semaphores) {
        auto semaphoreNode = my_data->semaphoreMap.find(semaphore);
        if (semaphoreNode == my_data->semaphoreMap.end()) {
            skip_call |=
                log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                        reinterpret_cast<uint64_t &>(semaphore), __LINE__, DRAWSTATE_INVALID_SEMAPHORE, "DS",
                        "Cannot submit cmd buffer using deleted semaphore %" PRIu64 ".", reinterpret_cast<uint64_t &>(semaphore));
        } else {
            semaphoreNode->second.in_use.fetch_add(1);
        }
    }
    for (auto event : pCB->events) {
        auto eventNode = my_data->eventMap.find(event);
        if (eventNode == my_data->eventMap.end()) {
            skip_call |=
                log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                        reinterpret_cast<uint64_t &>(event), __LINE__, DRAWSTATE_INVALID_EVENT, "DS",
                        "Cannot submit cmd buffer using deleted event %" PRIu64 ".", reinterpret_cast<uint64_t &>(event));
        } else {
            eventNode->second.in_use.fetch_add(1);
        }
    }
    return skip_call;
}

void decrementResources(layer_data *my_data, VkCommandBuffer cmdBuffer) {
    GLOBAL_CB_NODE *pCB = getCBNode(my_data, cmdBuffer);
    for (auto drawDataElement : pCB->drawData) {
        for (auto buffer : drawDataElement.buffers) {
            auto buffer_data = my_data->bufferMap.find(buffer);
            if (buffer_data != my_data->bufferMap.end()) {
                buffer_data->second.in_use.fetch_sub(1);
            }
        }
    }
    for (uint32_t i = 0; i < VK_PIPELINE_BIND_POINT_RANGE_SIZE; ++i) {
        for (auto set : pCB->lastBound[i].uniqueBoundSets) {
            auto setNode = my_data->setMap.find(set);
            if (setNode != my_data->setMap.end()) {
                setNode->second->in_use.fetch_sub(1);
            }
        }
    }
    for (auto semaphore : pCB->semaphores) {
        auto semaphoreNode = my_data->semaphoreMap.find(semaphore);
        if (semaphoreNode != my_data->semaphoreMap.end()) {
            semaphoreNode->second.in_use.fetch_sub(1);
        }
    }
    for (auto event : pCB->events) {
        auto eventNode = my_data->eventMap.find(event);
        if (eventNode != my_data->eventMap.end()) {
            eventNode->second.in_use.fetch_sub(1);
        }
    }
    for (auto queryStatePair : pCB->queryToStateMap) {
        my_data->queryToStateMap[queryStatePair.first] = queryStatePair.second;
    }
    for (auto eventStagePair : pCB->eventToStageMap) {
        my_data->eventMap[eventStagePair.first].stageMask = eventStagePair.second;
    }
}

void decrementResources(layer_data *my_data, uint32_t fenceCount, const VkFence *pFences) {
    for (uint32_t i = 0; i < fenceCount; ++i) {
        auto fence_data = my_data->fenceMap.find(pFences[i]);
        if (fence_data == my_data->fenceMap.end() || !fence_data->second.needsSignaled)
            return;
        fence_data->second.needsSignaled = false;
        fence_data->second.in_use.fetch_sub(1);
        decrementResources(my_data, fence_data->second.priorFences.size(), fence_data->second.priorFences.data());
        for (auto cmdBuffer : fence_data->second.cmdBuffers) {
            decrementResources(my_data, cmdBuffer);
        }
    }
}

void decrementResources(layer_data *my_data, VkQueue queue) {
    auto queue_data = my_data->queueMap.find(queue);
    if (queue_data != my_data->queueMap.end()) {
        for (auto cmdBuffer : queue_data->second.untrackedCmdBuffers) {
            decrementResources(my_data, cmdBuffer);
        }
        queue_data->second.untrackedCmdBuffers.clear();
        decrementResources(my_data, queue_data->second.lastFences.size(), queue_data->second.lastFences.data());
    }
}

void updateTrackedCommandBuffers(layer_data *dev_data, VkQueue queue, VkQueue other_queue, VkFence fence) {
    if (queue == other_queue) {
        return;
    }
    auto queue_data = dev_data->queueMap.find(queue);
    auto other_queue_data = dev_data->queueMap.find(other_queue);
    if (queue_data == dev_data->queueMap.end() || other_queue_data == dev_data->queueMap.end()) {
        return;
    }
    for (auto fenceInner : other_queue_data->second.lastFences) {
        queue_data->second.lastFences.push_back(fenceInner);
    }
    if (fence != VK_NULL_HANDLE) {
        auto fence_data = dev_data->fenceMap.find(fence);
        if (fence_data == dev_data->fenceMap.end()) {
            return;
        }
        for (auto cmdbuffer : other_queue_data->second.untrackedCmdBuffers) {
            fence_data->second.cmdBuffers.push_back(cmdbuffer);
        }
        other_queue_data->second.untrackedCmdBuffers.clear();
    } else {
        for (auto cmdbuffer : other_queue_data->second.untrackedCmdBuffers) {
            queue_data->second.untrackedCmdBuffers.push_back(cmdbuffer);
        }
        other_queue_data->second.untrackedCmdBuffers.clear();
    }
    for (auto eventStagePair : other_queue_data->second.eventToStageMap) {
        queue_data->second.eventToStageMap[eventStagePair.first] = eventStagePair.second;
    }
}

void trackCommandBuffers(layer_data *my_data, VkQueue queue, uint32_t submitCount, const VkSubmitInfo *pSubmits, VkFence fence) {
    auto queue_data = my_data->queueMap.find(queue);
    if (fence != VK_NULL_HANDLE) {
        vector<VkFence> prior_fences;
        auto fence_data = my_data->fenceMap.find(fence);
        if (fence_data == my_data->fenceMap.end()) {
            return;
        }
        if (queue_data != my_data->queueMap.end()) {
            prior_fences = queue_data->second.lastFences;
            queue_data->second.lastFences.clear();
            queue_data->second.lastFences.push_back(fence);
            for (auto cmdbuffer : queue_data->second.untrackedCmdBuffers) {
                fence_data->second.cmdBuffers.push_back(cmdbuffer);
            }
            queue_data->second.untrackedCmdBuffers.clear();
        }
        fence_data->second.cmdBuffers.clear();
        fence_data->second.priorFences = prior_fences;
        fence_data->second.needsSignaled = true;
        fence_data->second.queue = queue;
        fence_data->second.in_use.fetch_add(1);
        for (uint32_t submit_idx = 0; submit_idx < submitCount; submit_idx++) {
            const VkSubmitInfo *submit = &pSubmits[submit_idx];
            for (uint32_t i = 0; i < submit->commandBufferCount; ++i) {
                for (auto secondaryCmdBuffer : my_data->commandBufferMap[submit->pCommandBuffers[i]]->secondaryCommandBuffers) {
                    fence_data->second.cmdBuffers.push_back(secondaryCmdBuffer);
                }
                fence_data->second.cmdBuffers.push_back(submit->pCommandBuffers[i]);
            }
        }
    } else {
        if (queue_data != my_data->queueMap.end()) {
            for (uint32_t submit_idx = 0; submit_idx < submitCount; submit_idx++) {
                const VkSubmitInfo *submit = &pSubmits[submit_idx];
                for (uint32_t i = 0; i < submit->commandBufferCount; ++i) {
                    for (auto secondaryCmdBuffer : my_data->commandBufferMap[submit->pCommandBuffers[i]]->secondaryCommandBuffers) {
                        queue_data->second.untrackedCmdBuffers.push_back(secondaryCmdBuffer);
                    }
                    queue_data->second.untrackedCmdBuffers.push_back(submit->pCommandBuffers[i]);
                }
            }
        }
    }
    if (queue_data != my_data->queueMap.end()) {
        for (uint32_t submit_idx = 0; submit_idx < submitCount; submit_idx++) {
            const VkSubmitInfo *submit = &pSubmits[submit_idx];
            for (uint32_t i = 0; i < submit->commandBufferCount; ++i) {
                // Add cmdBuffers to both the global set and queue set
                for (auto secondaryCmdBuffer : my_data->commandBufferMap[submit->pCommandBuffers[i]]->secondaryCommandBuffers) {
                    my_data->globalInFlightCmdBuffers.insert(secondaryCmdBuffer);
                    queue_data->second.inFlightCmdBuffers.insert(secondaryCmdBuffer);
                }
                my_data->globalInFlightCmdBuffers.insert(submit->pCommandBuffers[i]);
                queue_data->second.inFlightCmdBuffers.insert(submit->pCommandBuffers[i]);
            }
        }
    }
}

bool validateCommandBufferSimultaneousUse(layer_data *dev_data, GLOBAL_CB_NODE *pCB) {
    bool skip_call = false;
    if (dev_data->globalInFlightCmdBuffers.count(pCB->commandBuffer) &&
        !(pCB->beginInfo.flags & VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT)) {
        skip_call |=
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                    __LINE__, DRAWSTATE_INVALID_CB_SIMULTANEOUS_USE, "DS",
                    "Command Buffer %#" PRIx64 " is already in use and is not marked for simultaneous use.",
                    reinterpret_cast<uint64_t>(pCB->commandBuffer));
    }
    return skip_call;
}

static bool validateCommandBufferState(layer_data *dev_data, GLOBAL_CB_NODE *pCB) {
    bool skipCall = false;
    // Validate that cmd buffers have been updated
    if (CB_RECORDED != pCB->state) {
        if (CB_INVALID == pCB->state) {
            // Inform app of reason CB invalid
            bool causeReported = false;
            if (!pCB->destroyedSets.empty()) {
                std::stringstream set_string;
                for (auto set : pCB->destroyedSets)
                    set_string << " " << set;

                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            (uint64_t)(pCB->commandBuffer), __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                            "You are submitting command buffer %#" PRIxLEAST64
                            " that is invalid because it had the following bound descriptor set(s) destroyed: %s",
                            (uint64_t)(pCB->commandBuffer), set_string.str().c_str());
                causeReported = true;
            }
            if (!pCB->updatedSets.empty()) {
                std::stringstream set_string;
                for (auto set : pCB->updatedSets)
                    set_string << " " << set;

                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            (uint64_t)(pCB->commandBuffer), __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                            "You are submitting command buffer %#" PRIxLEAST64
                            " that is invalid because it had the following bound descriptor set(s) updated: %s",
                            (uint64_t)(pCB->commandBuffer), set_string.str().c_str());
                causeReported = true;
            }
            if (!pCB->destroyedFramebuffers.empty()) {
                std::stringstream fb_string;
                for (auto fb : pCB->destroyedFramebuffers)
                    fb_string << " " << fb;

                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            reinterpret_cast<uint64_t &>(pCB->commandBuffer), __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                            "You are submitting command buffer %#" PRIxLEAST64 " that is invalid because it had the following "
                            "referenced framebuffers destroyed: %s",
                            reinterpret_cast<uint64_t &>(pCB->commandBuffer), fb_string.str().c_str());
                causeReported = true;
            }
            // TODO : This is defensive programming to make sure an error is
            //  flagged if we hit this INVALID cmd buffer case and none of the
            //  above cases are hit. As the number of INVALID cases grows, this
            //  code should be updated to seemlessly handle all the cases.
            if (!causeReported) {
                skipCall |= log_msg(
                    dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                    reinterpret_cast<uint64_t &>(pCB->commandBuffer), __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                    "You are submitting command buffer %#" PRIxLEAST64 " that is invalid due to an unknown cause. Validation "
                    "should "
                    "be improved to report the exact cause.",
                    reinterpret_cast<uint64_t &>(pCB->commandBuffer));
            }
        } else { // Flag error for using CB w/o vkEndCommandBuffer() called
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        (uint64_t)(pCB->commandBuffer), __LINE__, DRAWSTATE_NO_END_COMMAND_BUFFER, "DS",
                        "You must call vkEndCommandBuffer() on CB %#" PRIxLEAST64 " before this call to vkQueueSubmit()!",
                        (uint64_t)(pCB->commandBuffer));
        }
    }
    return skipCall;
}

static VkBool32 validatePrimaryCommandBufferState(layer_data *dev_data, GLOBAL_CB_NODE *pCB) {
    // Track in-use for resources off of primary and any secondary CBs
    VkBool32 skipCall = validateAndIncrementResources(dev_data, pCB);
    if (!pCB->secondaryCommandBuffers.empty()) {
        for (auto secondaryCmdBuffer : pCB->secondaryCommandBuffers) {
            skipCall |= validateAndIncrementResources(dev_data, dev_data->commandBufferMap[secondaryCmdBuffer]);
            GLOBAL_CB_NODE *pSubCB = getCBNode(dev_data, secondaryCmdBuffer);
            if (pSubCB->primaryCommandBuffer != pCB->commandBuffer) {
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                        __LINE__, DRAWSTATE_COMMAND_BUFFER_SINGLE_SUBMIT_VIOLATION, "DS",
                        "CB %#" PRIxLEAST64 " was submitted with secondary buffer %#" PRIxLEAST64
                        " but that buffer has subsequently been bound to "
                        "primary cmd buffer %#" PRIxLEAST64 ".",
                        reinterpret_cast<uint64_t>(pCB->commandBuffer), reinterpret_cast<uint64_t>(secondaryCmdBuffer),
                        reinterpret_cast<uint64_t>(pSubCB->primaryCommandBuffer));
            }
        }
    }
    // TODO : Verify if this also needs to be checked for secondary command
    //  buffers. If so, this block of code can move to
    //   validateCommandBufferState() function. vulkan GL106 filed to clarify
    if ((pCB->beginInfo.flags & VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT) && (pCB->submitCount > 1)) {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                            __LINE__, DRAWSTATE_COMMAND_BUFFER_SINGLE_SUBMIT_VIOLATION, "DS",
                            "CB %#" PRIxLEAST64 " was begun w/ VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT "
                            "set, but has been submitted %#" PRIxLEAST64 " times.",
                            (uint64_t)(pCB->commandBuffer), pCB->submitCount);
    }
    skipCall |= validateCommandBufferState(dev_data, pCB);
    // If USAGE_SIMULTANEOUS_USE_BIT not set then CB cannot already be executing
    // on device
    skipCall |= validateCommandBufferSimultaneousUse(dev_data, pCB);
    return skipCall;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkQueueSubmit(VkQueue queue, uint32_t submitCount, const VkSubmitInfo *pSubmits, VkFence fence) {
    VkBool32 skipCall = VK_FALSE;
    GLOBAL_CB_NODE *pCBNode = NULL;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(queue), layer_data_map);
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    // TODO : Need to track fence and clear mem references when fence clears
    // MTMTODO : Merge this code with code below to avoid duplicating efforts
    uint64_t fenceId = 0;
    skipCall = add_fence_info(dev_data, fence, queue, &fenceId);

    print_mem_list(dev_data, queue);
    printCBList(dev_data, queue);
    for (uint32_t submit_idx = 0; submit_idx < submitCount; submit_idx++) {
        const VkSubmitInfo *submit = &pSubmits[submit_idx];
        for (uint32_t i = 0; i < submit->commandBufferCount; i++) {
            pCBNode = getCBNode(dev_data, submit->pCommandBuffers[i]);
            if (pCBNode) {
                pCBNode->fenceId = fenceId;
                pCBNode->lastSubmittedFence = fence;
                pCBNode->lastSubmittedQueue = queue;
                for (auto &function : pCBNode->validate_functions) {
                    skipCall |= function();
                }
                for (auto &function : pCBNode->eventUpdates) {
                    skipCall |= static_cast<VkBool32>(function(queue));
                }
            }
        }

        for (uint32_t i = 0; i < submit->waitSemaphoreCount; i++) {
            VkSemaphore sem = submit->pWaitSemaphores[i];

            if (dev_data->semaphoreMap.find(sem) != dev_data->semaphoreMap.end()) {
                if (dev_data->semaphoreMap[sem].state != MEMTRACK_SEMAPHORE_STATE_SIGNALLED) {
                    skipCall =
                        log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SEMAPHORE_EXT,
                                (uint64_t)sem, __LINE__, MEMTRACK_NONE, "SEMAPHORE",
                                "vkQueueSubmit: Semaphore must be in signaled state before passing to pWaitSemaphores");
                }
                dev_data->semaphoreMap[sem].state = MEMTRACK_SEMAPHORE_STATE_WAIT;
            }
        }
        for (uint32_t i = 0; i < submit->signalSemaphoreCount; i++) {
            VkSemaphore sem = submit->pSignalSemaphores[i];

            if (dev_data->semaphoreMap.find(sem) != dev_data->semaphoreMap.end()) {
                if (dev_data->semaphoreMap[sem].state != MEMTRACK_SEMAPHORE_STATE_UNSET) {
                    skipCall = log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                       VK_DEBUG_REPORT_OBJECT_TYPE_SEMAPHORE_EXT, (uint64_t)sem, __LINE__, MEMTRACK_NONE,
                                       "SEMAPHORE", "vkQueueSubmit: Semaphore must not be currently signaled or in a wait state");
                }
                dev_data->semaphoreMap[sem].state = MEMTRACK_SEMAPHORE_STATE_SIGNALLED;
            }
        }
    }
#endif
    // First verify that fence is not in use
    if ((fence != VK_NULL_HANDLE) && (submitCount != 0) && dev_data->fenceMap[fence].in_use.load()) {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_FENCE_EXT,
                            (uint64_t)(fence), __LINE__, DRAWSTATE_INVALID_FENCE, "DS",
                            "Fence %#" PRIx64 " is already in use by another submission.", (uint64_t)(fence));
    }
    // Now verify each individual submit
    std::unordered_set<VkQueue> processed_other_queues;
    for (uint32_t submit_idx = 0; submit_idx < submitCount; submit_idx++) {
        const VkSubmitInfo *submit = &pSubmits[submit_idx];
        vector<VkSemaphore> semaphoreList;
        for (uint32_t i = 0; i < submit->waitSemaphoreCount; ++i) {
            const VkSemaphore &semaphore = submit->pWaitSemaphores[i];
            if (dev_data->semaphoreMap[semaphore].signaled) {
                dev_data->semaphoreMap[semaphore].signaled = 0;
                dev_data->semaphoreMap[semaphore].in_use.fetch_sub(1);
            } else {
                skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                    VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0, __LINE__, DRAWSTATE_QUEUE_FORWARD_PROGRESS,
                                    "DS", "Queue %#" PRIx64 " is waiting on semaphore %#" PRIx64 " that has no way to be signaled.",
                                    reinterpret_cast<uint64_t &>(queue), reinterpret_cast<const uint64_t &>(semaphore));
            }
            const VkQueue &other_queue = dev_data->semaphoreMap[semaphore].queue;
            if (other_queue != VK_NULL_HANDLE && !processed_other_queues.count(other_queue)) {
                updateTrackedCommandBuffers(dev_data, queue, other_queue, fence);
                processed_other_queues.insert(other_queue);
            }
        }
        for (uint32_t i = 0; i < submit->signalSemaphoreCount; ++i) {
            const VkSemaphore &semaphore = submit->pSignalSemaphores[i];
            semaphoreList.push_back(semaphore);
            if (dev_data->semaphoreMap[semaphore].signaled) {
                skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                    VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0, __LINE__, DRAWSTATE_QUEUE_FORWARD_PROGRESS,
                                    "DS", "Queue %#" PRIx64 " is signaling semaphore %#" PRIx64
                                          " that has already been signaled but not waited on by queue %#" PRIx64 ".",
                                    reinterpret_cast<uint64_t &>(queue), reinterpret_cast<const uint64_t &>(semaphore),
                                    reinterpret_cast<uint64_t &>(dev_data->semaphoreMap[semaphore].queue));
            } else {
                dev_data->semaphoreMap[semaphore].signaled = 1;
                dev_data->semaphoreMap[semaphore].queue = queue;
            }
        }
        for (uint32_t i = 0; i < submit->commandBufferCount; i++) {
            skipCall |= ValidateCmdBufImageLayouts(submit->pCommandBuffers[i]);
            pCBNode = getCBNode(dev_data, submit->pCommandBuffers[i]);
            pCBNode->semaphores = semaphoreList;
            pCBNode->submitCount++; // increment submit count
            skipCall |= validatePrimaryCommandBufferState(dev_data, pCBNode);
        }
    }
    // Update cmdBuffer-related data structs and mark fence in-use
    trackCommandBuffers(dev_data, queue, submitCount, pSubmits, fence);
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        result = dev_data->device_dispatch_table->QueueSubmit(queue, submitCount, pSubmits, fence);
#if MTMERGESOURCE
    loader_platform_thread_lock_mutex(&globalLock);
    for (uint32_t submit_idx = 0; submit_idx < submitCount; submit_idx++) {
        const VkSubmitInfo *submit = &pSubmits[submit_idx];
        for (uint32_t i = 0; i < submit->waitSemaphoreCount; i++) {
            VkSemaphore sem = submit->pWaitSemaphores[i];

            if (dev_data->semaphoreMap.find(sem) != dev_data->semaphoreMap.end()) {
                dev_data->semaphoreMap[sem].state = MEMTRACK_SEMAPHORE_STATE_UNSET;
            }
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
    return result;
}

#if MTMERGESOURCE
VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkAllocateMemory(VkDevice device, const VkMemoryAllocateInfo *pAllocateInfo,
                                                                const VkAllocationCallbacks *pAllocator, VkDeviceMemory *pMemory) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = my_data->device_dispatch_table->AllocateMemory(device, pAllocateInfo, pAllocator, pMemory);
    // TODO : Track allocations and overall size here
    loader_platform_thread_lock_mutex(&globalLock);
    add_mem_obj_info(my_data, device, *pMemory, pAllocateInfo);
    print_mem_list(my_data, device);
    loader_platform_thread_unlock_mutex(&globalLock);
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkFreeMemory(VkDevice device, VkDeviceMemory mem, const VkAllocationCallbacks *pAllocator) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    // From spec : A memory object is freed by calling vkFreeMemory() when it is no longer needed.
    // Before freeing a memory object, an application must ensure the memory object is no longer
    // in use by the device—for example by command buffers queued for execution. The memory need
    // not yet be unbound from all images and buffers, but any further use of those images or
    // buffers (on host or device) for anything other than destroying those objects will result in
    // undefined behavior.

    loader_platform_thread_lock_mutex(&globalLock);
    freeMemObjInfo(my_data, device, mem, VK_FALSE);
    print_mem_list(my_data, device);
    printCBList(my_data, device);
    loader_platform_thread_unlock_mutex(&globalLock);
    my_data->device_dispatch_table->FreeMemory(device, mem, pAllocator);
}

VkBool32 validateMemRange(layer_data *my_data, VkDeviceMemory mem, VkDeviceSize offset, VkDeviceSize size) {
    VkBool32 skipCall = VK_FALSE;

    if (size == 0) {
        // TODO: a size of 0 is not listed as an invalid use in the spec, should it be?
        skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                           (uint64_t)mem, __LINE__, MEMTRACK_INVALID_MAP, "MEM",
                           "VkMapMemory: Attempting to map memory range of size zero");
    }

    auto mem_element = my_data->memObjMap.find(mem);
    if (mem_element != my_data->memObjMap.end()) {
        // It is an application error to call VkMapMemory on an object that is already mapped
        if (mem_element->second.memRange.size != 0) {
            skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                               (uint64_t)mem, __LINE__, MEMTRACK_INVALID_MAP, "MEM",
                               "VkMapMemory: Attempting to map memory on an already-mapped object %#" PRIxLEAST64, (uint64_t)mem);
        }

        // Validate that offset + size is within object's allocationSize
        if (size == VK_WHOLE_SIZE) {
            if (offset >= mem_element->second.allocInfo.allocationSize) {
                skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                   VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, (uint64_t)mem, __LINE__, MEMTRACK_INVALID_MAP,
                                   "MEM", "Mapping Memory from %" PRIu64 " to %" PRIu64 " with total array size %" PRIu64, offset,
                                   mem_element->second.allocInfo.allocationSize, mem_element->second.allocInfo.allocationSize);
            }
        } else {
            if ((offset + size) > mem_element->second.allocInfo.allocationSize) {
                skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                   VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, (uint64_t)mem, __LINE__, MEMTRACK_INVALID_MAP,
                                   "MEM", "Mapping Memory from %" PRIu64 " to %" PRIu64 " with total array size %" PRIu64, offset,
                                   size + offset, mem_element->second.allocInfo.allocationSize);
            }
        }
    }
    return skipCall;
}

void storeMemRanges(layer_data *my_data, VkDeviceMemory mem, VkDeviceSize offset, VkDeviceSize size) {
    auto mem_element = my_data->memObjMap.find(mem);
    if (mem_element != my_data->memObjMap.end()) {
        MemRange new_range;
        new_range.offset = offset;
        new_range.size = size;
        mem_element->second.memRange = new_range;
    }
}

VkBool32 deleteMemRanges(layer_data *my_data, VkDeviceMemory mem) {
    VkBool32 skipCall = VK_FALSE;
    auto mem_element = my_data->memObjMap.find(mem);
    if (mem_element != my_data->memObjMap.end()) {
        if (!mem_element->second.memRange.size) {
            // Valid Usage: memory must currently be mapped
            skipCall = log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                               (uint64_t)mem, __LINE__, MEMTRACK_INVALID_MAP, "MEM",
                               "Unmapping Memory without memory being mapped: mem obj %#" PRIxLEAST64, (uint64_t)mem);
        }
        mem_element->second.memRange.size = 0;
        if (mem_element->second.pData) {
            free(mem_element->second.pData);
            mem_element->second.pData = 0;
        }
    }
    return skipCall;
}

static char NoncoherentMemoryFillValue = 0xb;

void initializeAndTrackMemory(layer_data *my_data, VkDeviceMemory mem, VkDeviceSize size, void **ppData) {
    auto mem_element = my_data->memObjMap.find(mem);
    if (mem_element != my_data->memObjMap.end()) {
        mem_element->second.pDriverData = *ppData;
        uint32_t index = mem_element->second.allocInfo.memoryTypeIndex;
        if (memProps.memoryTypes[index].propertyFlags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) {
            mem_element->second.pData = 0;
        } else {
            if (size == VK_WHOLE_SIZE) {
                size = mem_element->second.allocInfo.allocationSize;
            }
            size_t convSize = (size_t)(size);
            mem_element->second.pData = malloc(2 * convSize);
            memset(mem_element->second.pData, NoncoherentMemoryFillValue, 2 * convSize);
            *ppData = static_cast<char *>(mem_element->second.pData) + (convSize / 2);
        }
    }
}
#endif
// Note: This function assumes that the global lock is held by the calling
// thread.
VkBool32 cleanInFlightCmdBuffer(layer_data *my_data, VkCommandBuffer cmdBuffer) {
    VkBool32 skip_call = VK_FALSE;
    GLOBAL_CB_NODE *pCB = getCBNode(my_data, cmdBuffer);
    if (pCB) {
        for (auto queryEventsPair : pCB->waitedEventsBeforeQueryReset) {
            for (auto event : queryEventsPair.second) {
                if (my_data->eventMap[event].needsSignaled) {
                    skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                         VK_DEBUG_REPORT_OBJECT_TYPE_QUERY_POOL_EXT, 0, 0, DRAWSTATE_INVALID_QUERY, "DS",
                                         "Cannot get query results on queryPool %" PRIu64
                                         " with index %d which was guarded by unsignaled event %" PRIu64 ".",
                                         (uint64_t)(queryEventsPair.first.pool), queryEventsPair.first.index, (uint64_t)(event));
                }
            }
        }
    }
    return skip_call;
}
// Remove given cmd_buffer from the global inFlight set.
//  Also, if given queue is valid, then remove the cmd_buffer from that queues
//  inFlightCmdBuffer set. Finally, check all other queues and if given cmd_buffer
//  is still in flight on another queue, add it back into the global set.
// Note: This function assumes that the global lock is held by the calling
// thread.
static inline void removeInFlightCmdBuffer(layer_data *dev_data, VkCommandBuffer cmd_buffer, VkQueue queue) {
    // Pull it off of global list initially, but if we find it in any other queue list, add it back in
    dev_data->globalInFlightCmdBuffers.erase(cmd_buffer);
    if (dev_data->queueMap.find(queue) != dev_data->queueMap.end()) {
        dev_data->queueMap[queue].inFlightCmdBuffers.erase(cmd_buffer);
        for (auto q : dev_data->queues) {
            if ((q != queue) &&
                (dev_data->queueMap[q].inFlightCmdBuffers.find(cmd_buffer) != dev_data->queueMap[q].inFlightCmdBuffers.end())) {
                dev_data->globalInFlightCmdBuffers.insert(cmd_buffer);
                break;
            }
        }
    }
}
#if MTMERGESOURCE
static inline bool verifyFenceStatus(VkDevice device, VkFence fence, const char *apiCall) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkBool32 skipCall = false;
    auto pFenceInfo = my_data->fenceMap.find(fence);
    if (pFenceInfo != my_data->fenceMap.end()) {
        if (pFenceInfo->second.firstTimeFlag != VK_TRUE) {
            if ((pFenceInfo->second.createInfo.flags & VK_FENCE_CREATE_SIGNALED_BIT) &&
                pFenceInfo->second.firstTimeFlag != VK_TRUE) {
                skipCall |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_FENCE_EXT,
                            (uint64_t)fence, __LINE__, MEMTRACK_INVALID_FENCE_STATE, "MEM",
                            "%s specified fence %#" PRIxLEAST64 " already in SIGNALED state.", apiCall, (uint64_t)fence);
            }
            if (!pFenceInfo->second.queue && !pFenceInfo->second.swapchain) { // Checking status of unsubmitted fence
                skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_FENCE_EXT,
                                    reinterpret_cast<uint64_t &>(fence), __LINE__, MEMTRACK_INVALID_FENCE_STATE, "MEM",
                                    "%s called for fence %#" PRIxLEAST64 " which has not been submitted on a Queue or during "
                                    "acquire next image.",
                                    apiCall, reinterpret_cast<uint64_t &>(fence));
            }
        } else {
            pFenceInfo->second.firstTimeFlag = VK_FALSE;
        }
    }
    return skipCall;
}
#endif
VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkWaitForFences(VkDevice device, uint32_t fenceCount, const VkFence *pFences, VkBool32 waitAll, uint64_t timeout) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkBool32 skip_call = VK_FALSE;
#if MTMERGESOURCE
    // Verify fence status of submitted fences
    loader_platform_thread_lock_mutex(&globalLock);
    for (uint32_t i = 0; i < fenceCount; i++) {
        skip_call |= verifyFenceStatus(device, pFences[i], "vkWaitForFences");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (skip_call)
        return VK_ERROR_VALIDATION_FAILED_EXT;
#endif
    VkResult result = dev_data->device_dispatch_table->WaitForFences(device, fenceCount, pFences, waitAll, timeout);

    if (result == VK_SUCCESS) {
        loader_platform_thread_lock_mutex(&globalLock);
        // When we know that all fences are complete we can clean/remove their CBs
        if (waitAll || fenceCount == 1) {
            for (uint32_t i = 0; i < fenceCount; ++i) {
#if MTMERGESOURCE
                update_fence_tracking(dev_data, pFences[i]);
#endif
                VkQueue fence_queue = dev_data->fenceMap[pFences[i]].queue;
                for (auto cmdBuffer : dev_data->fenceMap[pFences[i]].cmdBuffers) {
                    skip_call |= cleanInFlightCmdBuffer(dev_data, cmdBuffer);
                    removeInFlightCmdBuffer(dev_data, cmdBuffer, fence_queue);
                }
            }
            decrementResources(dev_data, fenceCount, pFences);
        }
        // NOTE : Alternate case not handled here is when some fences have completed. In
        //  this case for app to guarantee which fences completed it will have to call
        //  vkGetFenceStatus() at which point we'll clean/remove their CBs if complete.
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    if (VK_FALSE != skip_call)
        return VK_ERROR_VALIDATION_FAILED_EXT;
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkGetFenceStatus(VkDevice device, VkFence fence) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    bool skipCall = false;
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
#if MTMERGESOURCE
    loader_platform_thread_lock_mutex(&globalLock);
    skipCall = verifyFenceStatus(device, fence, "vkGetFenceStatus");
    loader_platform_thread_unlock_mutex(&globalLock);
    if (skipCall)
        return result;
#endif
    result = dev_data->device_dispatch_table->GetFenceStatus(device, fence);
    VkBool32 skip_call = VK_FALSE;
    loader_platform_thread_lock_mutex(&globalLock);
    if (result == VK_SUCCESS) {
#if MTMERGESOURCE
        update_fence_tracking(dev_data, fence);
#endif
        auto fence_queue = dev_data->fenceMap[fence].queue;
        for (auto cmdBuffer : dev_data->fenceMap[fence].cmdBuffers) {
            skip_call |= cleanInFlightCmdBuffer(dev_data, cmdBuffer);
            removeInFlightCmdBuffer(dev_data, cmdBuffer, fence_queue);
        }
        decrementResources(dev_data, 1, &fence);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE != skip_call)
        return VK_ERROR_VALIDATION_FAILED_EXT;
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkGetDeviceQueue(VkDevice device, uint32_t queueFamilyIndex, uint32_t queueIndex,
                                                            VkQueue *pQueue) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    dev_data->device_dispatch_table->GetDeviceQueue(device, queueFamilyIndex, queueIndex, pQueue);
    loader_platform_thread_lock_mutex(&globalLock);

    // Add queue to tracking set only if it is new
    auto result = dev_data->queues.emplace(*pQueue);
    if (result.second == true) {
        QUEUE_NODE *pQNode = &dev_data->queueMap[*pQueue];
        pQNode->device = device;
#if MTMERGESOURCE
        pQNode->lastRetiredId = 0;
        pQNode->lastSubmittedId = 0;
#endif
    }

    loader_platform_thread_unlock_mutex(&globalLock);
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkQueueWaitIdle(VkQueue queue) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(queue), layer_data_map);
    decrementResources(dev_data, queue);
    VkBool32 skip_call = VK_FALSE;
    loader_platform_thread_lock_mutex(&globalLock);
    // Iterate over local set since we erase set members as we go in for loop
    auto local_cb_set = dev_data->queueMap[queue].inFlightCmdBuffers;
    for (auto cmdBuffer : local_cb_set) {
        skip_call |= cleanInFlightCmdBuffer(dev_data, cmdBuffer);
        removeInFlightCmdBuffer(dev_data, cmdBuffer, queue);
    }
    dev_data->queueMap[queue].inFlightCmdBuffers.clear();
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE != skip_call)
        return VK_ERROR_VALIDATION_FAILED_EXT;
    VkResult result = dev_data->device_dispatch_table->QueueWaitIdle(queue);
#if MTMERGESOURCE
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        retire_queue_fences(dev_data, queue);
        loader_platform_thread_unlock_mutex(&globalLock);
    }
#endif
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkDeviceWaitIdle(VkDevice device) {
    VkBool32 skip_call = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    for (auto queue : dev_data->queues) {
        decrementResources(dev_data, queue);
        if (dev_data->queueMap.find(queue) != dev_data->queueMap.end()) {
            // Clear all of the queue inFlightCmdBuffers (global set cleared below)
            dev_data->queueMap[queue].inFlightCmdBuffers.clear();
        }
    }
    for (auto cmdBuffer : dev_data->globalInFlightCmdBuffers) {
        skip_call |= cleanInFlightCmdBuffer(dev_data, cmdBuffer);
    }
    dev_data->globalInFlightCmdBuffers.clear();
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE != skip_call)
        return VK_ERROR_VALIDATION_FAILED_EXT;
    VkResult result = dev_data->device_dispatch_table->DeviceWaitIdle(device);
#if MTMERGESOURCE
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        retire_device_fences(dev_data, device);
        loader_platform_thread_unlock_mutex(&globalLock);
    }
#endif
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyFence(VkDevice device, VkFence fence, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    bool skipCall = false;
    loader_platform_thread_lock_mutex(&globalLock);
    if (dev_data->fenceMap[fence].in_use.load()) {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_FENCE_EXT,
                            (uint64_t)(fence), __LINE__, DRAWSTATE_INVALID_FENCE, "DS",
                            "Fence %#" PRIx64 " is in use by a command buffer.", (uint64_t)(fence));
    }
#if MTMERGESOURCE
    delete_fence_info(dev_data, fence);
    auto item = dev_data->fenceMap.find(fence);
    if (item != dev_data->fenceMap.end()) {
        dev_data->fenceMap.erase(item);
    }
#endif
    loader_platform_thread_unlock_mutex(&globalLock);
    if (!skipCall)
        dev_data->device_dispatch_table->DestroyFence(device, fence, pAllocator);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroySemaphore(VkDevice device, VkSemaphore semaphore, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    dev_data->device_dispatch_table->DestroySemaphore(device, semaphore, pAllocator);
    loader_platform_thread_lock_mutex(&globalLock);
    auto item = dev_data->semaphoreMap.find(semaphore);
    if (item != dev_data->semaphoreMap.end()) {
        if (item->second.in_use.load()) {
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SEMAPHORE_EXT,
                    reinterpret_cast<uint64_t &>(semaphore), __LINE__, DRAWSTATE_INVALID_SEMAPHORE, "DS",
                    "Cannot delete semaphore %" PRIx64 " which is in use.", reinterpret_cast<uint64_t &>(semaphore));
        }
        dev_data->semaphoreMap.erase(semaphore);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    // TODO : Clean up any internal data structures using this obj.
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyEvent(VkDevice device, VkEvent event, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    bool skip_call = false;
    loader_platform_thread_lock_mutex(&globalLock);
    auto event_data = dev_data->eventMap.find(event);
    if (event_data != dev_data->eventMap.end()) {
        if (event_data->second.in_use.load()) {
            skip_call |= log_msg(
                dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                reinterpret_cast<uint64_t &>(event), __LINE__, DRAWSTATE_INVALID_EVENT, "DS",
                "Cannot delete event %" PRIx64 " which is in use by a command buffer.", reinterpret_cast<uint64_t &>(event));
        }
        dev_data->eventMap.erase(event_data);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (!skip_call)
        dev_data->device_dispatch_table->DestroyEvent(device, event, pAllocator);
    // TODO : Clean up any internal data structures using this obj.
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyQueryPool(VkDevice device, VkQueryPool queryPool, const VkAllocationCallbacks *pAllocator) {
    get_my_data_ptr(get_dispatch_key(device), layer_data_map)
        ->device_dispatch_table->DestroyQueryPool(device, queryPool, pAllocator);
    // TODO : Clean up any internal data structures using this obj.
}

VKAPI_ATTR VkResult VKAPI_CALL vkGetQueryPoolResults(VkDevice device, VkQueryPool queryPool, uint32_t firstQuery,
                                                     uint32_t queryCount, size_t dataSize, void *pData, VkDeviceSize stride,
                                                     VkQueryResultFlags flags) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    unordered_map<QueryObject, vector<VkCommandBuffer>> queriesInFlight;
    GLOBAL_CB_NODE *pCB = nullptr;
    loader_platform_thread_lock_mutex(&globalLock);
    for (auto cmdBuffer : dev_data->globalInFlightCmdBuffers) {
        pCB = getCBNode(dev_data, cmdBuffer);
        for (auto queryStatePair : pCB->queryToStateMap) {
            queriesInFlight[queryStatePair.first].push_back(cmdBuffer);
        }
    }
    VkBool32 skip_call = VK_FALSE;
    for (uint32_t i = 0; i < queryCount; ++i) {
        QueryObject query = {queryPool, firstQuery + i};
        auto queryElement = queriesInFlight.find(query);
        auto queryToStateElement = dev_data->queryToStateMap.find(query);
        if (queryToStateElement != dev_data->queryToStateMap.end()) {
            // Available and in flight
            if (queryElement != queriesInFlight.end() && queryToStateElement != dev_data->queryToStateMap.end() &&
                queryToStateElement->second) {
                for (auto cmdBuffer : queryElement->second) {
                    pCB = getCBNode(dev_data, cmdBuffer);
                    auto queryEventElement = pCB->waitedEventsBeforeQueryReset.find(query);
                    if (queryEventElement == pCB->waitedEventsBeforeQueryReset.end()) {
                        skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                             VK_DEBUG_REPORT_OBJECT_TYPE_QUERY_POOL_EXT, 0, __LINE__, DRAWSTATE_INVALID_QUERY, "DS",
                                             "Cannot get query results on queryPool %" PRIu64 " with index %d which is in flight.",
                                             (uint64_t)(queryPool), firstQuery + i);
                    } else {
                        for (auto event : queryEventElement->second) {
                            dev_data->eventMap[event].needsSignaled = true;
                        }
                    }
                }
                // Unavailable and in flight
            } else if (queryElement != queriesInFlight.end() && queryToStateElement != dev_data->queryToStateMap.end() &&
                       !queryToStateElement->second) {
                // TODO : Can there be the same query in use by multiple command buffers in flight?
                bool make_available = false;
                for (auto cmdBuffer : queryElement->second) {
                    pCB = getCBNode(dev_data, cmdBuffer);
                    make_available |= pCB->queryToStateMap[query];
                }
                if (!(((flags & VK_QUERY_RESULT_PARTIAL_BIT) || (flags & VK_QUERY_RESULT_WAIT_BIT)) && make_available)) {
                    skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                         VK_DEBUG_REPORT_OBJECT_TYPE_QUERY_POOL_EXT, 0, __LINE__, DRAWSTATE_INVALID_QUERY, "DS",
                                         "Cannot get query results on queryPool %" PRIu64 " with index %d which is unavailable.",
                                         (uint64_t)(queryPool), firstQuery + i);
                }
                // Unavailable
            } else if (queryToStateElement != dev_data->queryToStateMap.end() && !queryToStateElement->second) {
                skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                     VK_DEBUG_REPORT_OBJECT_TYPE_QUERY_POOL_EXT, 0, __LINE__, DRAWSTATE_INVALID_QUERY, "DS",
                                     "Cannot get query results on queryPool %" PRIu64 " with index %d which is unavailable.",
                                     (uint64_t)(queryPool), firstQuery + i);
                // Unitialized
            } else if (queryToStateElement == dev_data->queryToStateMap.end()) {
                skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                     VK_DEBUG_REPORT_OBJECT_TYPE_QUERY_POOL_EXT, 0, __LINE__, DRAWSTATE_INVALID_QUERY, "DS",
                                     "Cannot get query results on queryPool %" PRIu64
                                     " with index %d as data has not been collected for this index.",
                                     (uint64_t)(queryPool), firstQuery + i);
            }
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (skip_call)
        return VK_ERROR_VALIDATION_FAILED_EXT;
    return dev_data->device_dispatch_table->GetQueryPoolResults(device, queryPool, firstQuery, queryCount, dataSize, pData, stride,
                                                                flags);
}

VkBool32 validateIdleBuffer(const layer_data *my_data, VkBuffer buffer) {
    VkBool32 skip_call = VK_FALSE;
    auto buffer_data = my_data->bufferMap.find(buffer);
    if (buffer_data == my_data->bufferMap.end()) {
        skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT,
                             (uint64_t)(buffer), __LINE__, DRAWSTATE_DOUBLE_DESTROY, "DS",
                             "Cannot free buffer %" PRIxLEAST64 " that has not been allocated.", (uint64_t)(buffer));
    } else {
        if (buffer_data->second.in_use.load()) {
            skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT,
                                 (uint64_t)(buffer), __LINE__, DRAWSTATE_OBJECT_INUSE, "DS",
                                 "Cannot free buffer %" PRIxLEAST64 " that is in use by a command buffer.", (uint64_t)(buffer));
        }
    }
    return skip_call;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyBuffer(VkDevice device, VkBuffer buffer, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkBool32 skipCall = VK_FALSE;
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    auto item = dev_data->bufferBindingMap.find((uint64_t)buffer);
    if (item != dev_data->bufferBindingMap.end()) {
        skipCall = clear_object_binding(dev_data, device, (uint64_t)buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT);
        dev_data->bufferBindingMap.erase(item);
    }
#endif
    if (!validateIdleBuffer(dev_data, buffer) && (VK_FALSE == skipCall)) {
        loader_platform_thread_unlock_mutex(&globalLock);
        dev_data->device_dispatch_table->DestroyBuffer(device, buffer, pAllocator);
        loader_platform_thread_lock_mutex(&globalLock);
    }
    dev_data->bufferMap.erase(buffer);
    loader_platform_thread_unlock_mutex(&globalLock);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyBufferView(VkDevice device, VkBufferView bufferView, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    dev_data->device_dispatch_table->DestroyBufferView(device, bufferView, pAllocator);
    loader_platform_thread_lock_mutex(&globalLock);
    auto item = dev_data->bufferViewMap.find(bufferView);
    if (item != dev_data->bufferViewMap.end()) {
        dev_data->bufferViewMap.erase(item);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyImage(VkDevice device, VkImage image, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkBool32 skipCall = VK_FALSE;
#if MTMERGESOURCE
    loader_platform_thread_lock_mutex(&globalLock);
    auto item = dev_data->imageBindingMap.find((uint64_t)image);
    if (item != dev_data->imageBindingMap.end()) {
        skipCall = clear_object_binding(dev_data, device, (uint64_t)image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT);
        dev_data->imageBindingMap.erase(item);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->DestroyImage(device, image, pAllocator);

    loader_platform_thread_lock_mutex(&globalLock);
    const auto& entry = dev_data->imageMap.find(image);
    if (entry != dev_data->imageMap.end()) {
        // Clear any memory mapping for this image
        const auto &mem_entry = dev_data->memObjMap.find(entry->second.mem);
        if (mem_entry != dev_data->memObjMap.end())
            mem_entry->second.image = VK_NULL_HANDLE;

        // Remove image from imageMap
        dev_data->imageMap.erase(entry);
    }
    const auto& subEntry = dev_data->imageSubresourceMap.find(image);
    if (subEntry != dev_data->imageSubresourceMap.end()) {
        for (const auto& pair : subEntry->second) {
            dev_data->imageLayoutMap.erase(pair);
        }
        dev_data->imageSubresourceMap.erase(subEntry);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
}
#if MTMERGESOURCE
VkBool32 print_memory_range_error(layer_data *dev_data, const uint64_t object_handle, const uint64_t other_handle,
                                  VkDebugReportObjectTypeEXT object_type) {
    if (object_type == VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT) {
        return log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, object_type, object_handle, 0,
                       MEMTRACK_INVALID_ALIASING, "MEM", "Buffer %" PRIx64 " is alised with image %" PRIx64, object_handle,
                       other_handle);
    } else {
        return log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, object_type, object_handle, 0,
                       MEMTRACK_INVALID_ALIASING, "MEM", "Image %" PRIx64 " is alised with buffer %" PRIx64, object_handle,
                       other_handle);
    }
}

VkBool32 validate_memory_range(layer_data *dev_data, const vector<MEMORY_RANGE> &ranges, const MEMORY_RANGE &new_range,
                               VkDebugReportObjectTypeEXT object_type) {
    VkBool32 skip_call = false;

    for (auto range : ranges) {
        if ((range.end & ~(dev_data->physDevProperties.properties.limits.bufferImageGranularity - 1)) <
            (new_range.start & ~(dev_data->physDevProperties.properties.limits.bufferImageGranularity - 1)))
            continue;
        if ((range.start & ~(dev_data->physDevProperties.properties.limits.bufferImageGranularity - 1)) >
            (new_range.end & ~(dev_data->physDevProperties.properties.limits.bufferImageGranularity - 1)))
            continue;
        skip_call |= print_memory_range_error(dev_data, new_range.handle, range.handle, object_type);
    }
    return skip_call;
}

VkBool32 validate_buffer_image_aliasing(layer_data *dev_data, uint64_t handle, VkDeviceMemory mem, VkDeviceSize memoryOffset,
                                        VkMemoryRequirements memRequirements, vector<MEMORY_RANGE> &ranges,
                                        const vector<MEMORY_RANGE> &other_ranges, VkDebugReportObjectTypeEXT object_type) {
    MEMORY_RANGE range;
    range.handle = handle;
    range.memory = mem;
    range.start = memoryOffset;
    range.end = memoryOffset + memRequirements.size - 1;
    ranges.push_back(range);
    return validate_memory_range(dev_data, other_ranges, range, object_type);
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkBindBufferMemory(VkDevice device, VkBuffer buffer, VkDeviceMemory mem, VkDeviceSize memoryOffset) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    loader_platform_thread_lock_mutex(&globalLock);
    // Track objects tied to memory
    uint64_t buffer_handle = (uint64_t)(buffer);
    VkBool32 skipCall =
        set_mem_binding(dev_data, device, mem, buffer_handle, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, "vkBindBufferMemory");
    add_object_binding_info(dev_data, buffer_handle, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, mem);
    {
        VkMemoryRequirements memRequirements;
        // MTMTODO : Shouldn't this call down the chain?
        vkGetBufferMemoryRequirements(device, buffer, &memRequirements);
        skipCall |= validate_buffer_image_aliasing(dev_data, buffer_handle, mem, memoryOffset, memRequirements,
                                                   dev_data->memObjMap[mem].bufferRanges, dev_data->memObjMap[mem].imageRanges,
                                                   VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT);
        // Validate memory requirements alignment
        if (vk_safe_modulo(memoryOffset, memRequirements.alignment) != 0) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, 0,
                        __LINE__, DRAWSTATE_INVALID_BUFFER_MEMORY_OFFSET, "DS",
                        "vkBindBufferMemory(): memoryOffset is %#" PRIxLEAST64 " but must be an integer multiple of the "
                        "VkMemoryRequirements::alignment value %#" PRIxLEAST64
                        ", returned from a call to vkGetBufferMemoryRequirements with buffer",
                        memoryOffset, memRequirements.alignment);
        }
        // Validate device limits alignments
        VkBufferUsageFlags usage = dev_data->bufferMap[buffer].create_info->usage;
        if (usage & (VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT)) {
            if (vk_safe_modulo(memoryOffset, dev_data->physDevProperties.properties.limits.minTexelBufferOffsetAlignment) != 0) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT,
                            0, __LINE__, DRAWSTATE_INVALID_TEXEL_BUFFER_OFFSET, "DS",
                            "vkBindBufferMemory(): memoryOffset is %#" PRIxLEAST64 " but must be a multiple of "
                            "device limit minTexelBufferOffsetAlignment %#" PRIxLEAST64,
                            memoryOffset, dev_data->physDevProperties.properties.limits.minTexelBufferOffsetAlignment);
            }
        }
        if (usage & VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT) {
            if (vk_safe_modulo(memoryOffset, dev_data->physDevProperties.properties.limits.minUniformBufferOffsetAlignment) != 0) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT,
                            0, __LINE__, DRAWSTATE_INVALID_UNIFORM_BUFFER_OFFSET, "DS",
                            "vkBindBufferMemory(): memoryOffset is %#" PRIxLEAST64 " but must be a multiple of "
                            "device limit minUniformBufferOffsetAlignment %#" PRIxLEAST64,
                            memoryOffset, dev_data->physDevProperties.properties.limits.minUniformBufferOffsetAlignment);
            }
        }
        if (usage & VK_BUFFER_USAGE_STORAGE_BUFFER_BIT) {
            if (vk_safe_modulo(memoryOffset, dev_data->physDevProperties.properties.limits.minStorageBufferOffsetAlignment) != 0) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT,
                            0, __LINE__, DRAWSTATE_INVALID_STORAGE_BUFFER_OFFSET, "DS",
                            "vkBindBufferMemory(): memoryOffset is %#" PRIxLEAST64 " but must be a multiple of "
                            "device limit minStorageBufferOffsetAlignment %#" PRIxLEAST64,
                            memoryOffset, dev_data->physDevProperties.properties.limits.minStorageBufferOffsetAlignment);
            }
        }
    }
    print_mem_list(dev_data, device);
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall) {
        result = dev_data->device_dispatch_table->BindBufferMemory(device, buffer, mem, memoryOffset);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkGetBufferMemoryRequirements(VkDevice device, VkBuffer buffer, VkMemoryRequirements *pMemoryRequirements) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    // TODO : What to track here?
    //   Could potentially save returned mem requirements and validate values passed into BindBufferMemory
    my_data->device_dispatch_table->GetBufferMemoryRequirements(device, buffer, pMemoryRequirements);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkGetImageMemoryRequirements(VkDevice device, VkImage image, VkMemoryRequirements *pMemoryRequirements) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    // TODO : What to track here?
    //   Could potentially save returned mem requirements and validate values passed into BindImageMemory
    my_data->device_dispatch_table->GetImageMemoryRequirements(device, image, pMemoryRequirements);
}
#endif
VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyImageView(VkDevice device, VkImageView imageView, const VkAllocationCallbacks *pAllocator) {
    get_my_data_ptr(get_dispatch_key(device), layer_data_map)
        ->device_dispatch_table->DestroyImageView(device, imageView, pAllocator);
    // TODO : Clean up any internal data structures using this obj.
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyShaderModule(VkDevice device, VkShaderModule shaderModule, const VkAllocationCallbacks *pAllocator) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    loader_platform_thread_lock_mutex(&globalLock);

    my_data->shaderModuleMap.erase(shaderModule);

    loader_platform_thread_unlock_mutex(&globalLock);

    my_data->device_dispatch_table->DestroyShaderModule(device, shaderModule, pAllocator);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyPipeline(VkDevice device, VkPipeline pipeline, const VkAllocationCallbacks *pAllocator) {
    get_my_data_ptr(get_dispatch_key(device), layer_data_map)->device_dispatch_table->DestroyPipeline(device, pipeline, pAllocator);
    // TODO : Clean up any internal data structures using this obj.
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyPipelineLayout(VkDevice device, VkPipelineLayout pipelineLayout, const VkAllocationCallbacks *pAllocator) {
    get_my_data_ptr(get_dispatch_key(device), layer_data_map)
        ->device_dispatch_table->DestroyPipelineLayout(device, pipelineLayout, pAllocator);
    // TODO : Clean up any internal data structures using this obj.
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroySampler(VkDevice device, VkSampler sampler, const VkAllocationCallbacks *pAllocator) {
    get_my_data_ptr(get_dispatch_key(device), layer_data_map)->device_dispatch_table->DestroySampler(device, sampler, pAllocator);
    // TODO : Clean up any internal data structures using this obj.
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyDescriptorSetLayout(VkDevice device, VkDescriptorSetLayout descriptorSetLayout, const VkAllocationCallbacks *pAllocator) {
    get_my_data_ptr(get_dispatch_key(device), layer_data_map)
        ->device_dispatch_table->DestroyDescriptorSetLayout(device, descriptorSetLayout, pAllocator);
    // TODO : Clean up any internal data structures using this obj.
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyDescriptorPool(VkDevice device, VkDescriptorPool descriptorPool, const VkAllocationCallbacks *pAllocator) {
    get_my_data_ptr(get_dispatch_key(device), layer_data_map)
        ->device_dispatch_table->DestroyDescriptorPool(device, descriptorPool, pAllocator);
    // TODO : Clean up any internal data structures using this obj.
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkFreeCommandBuffers(VkDevice device, VkCommandPool commandPool, uint32_t commandBufferCount, const VkCommandBuffer *pCommandBuffers) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    bool skip_call = false;
    loader_platform_thread_lock_mutex(&globalLock);
    for (uint32_t i = 0; i < commandBufferCount; i++) {
#if MTMERGESOURCE
        clear_cmd_buf_and_mem_references(dev_data, pCommandBuffers[i]);
#endif
        if (dev_data->globalInFlightCmdBuffers.count(pCommandBuffers[i])) {
            skip_call |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        reinterpret_cast<uint64_t>(pCommandBuffers[i]), __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER_RESET, "DS",
                        "Attempt to free command buffer (%#" PRIxLEAST64 ") which is in use.",
                        reinterpret_cast<uint64_t>(pCommandBuffers[i]));
        }
        // Delete CB information structure, and remove from commandBufferMap
        auto cb = dev_data->commandBufferMap.find(pCommandBuffers[i]);
        if (cb != dev_data->commandBufferMap.end()) {
            // reset prior to delete for data clean-up
            resetCB(dev_data, (*cb).second->commandBuffer);
            delete (*cb).second;
            dev_data->commandBufferMap.erase(cb);
        }

        // Remove commandBuffer reference from commandPoolMap
        dev_data->commandPoolMap[commandPool].commandBuffers.remove(pCommandBuffers[i]);
    }
#if MTMERGESOURCE
    printCBList(dev_data, device);
#endif
    loader_platform_thread_unlock_mutex(&globalLock);

    if (!skip_call)
        dev_data->device_dispatch_table->FreeCommandBuffers(device, commandPool, commandBufferCount, pCommandBuffers);
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateCommandPool(VkDevice device, const VkCommandPoolCreateInfo *pCreateInfo,
                                                                   const VkAllocationCallbacks *pAllocator,
                                                                   VkCommandPool *pCommandPool) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    VkResult result = dev_data->device_dispatch_table->CreateCommandPool(device, pCreateInfo, pAllocator, pCommandPool);

    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        dev_data->commandPoolMap[*pCommandPool].createFlags = pCreateInfo->flags;
        dev_data->commandPoolMap[*pCommandPool].queueFamilyIndex = pCreateInfo->queueFamilyIndex;
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateQueryPool(VkDevice device, const VkQueryPoolCreateInfo *pCreateInfo,
                                                                 const VkAllocationCallbacks *pAllocator, VkQueryPool *pQueryPool) {

    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateQueryPool(device, pCreateInfo, pAllocator, pQueryPool);
    if (result == VK_SUCCESS) {
        loader_platform_thread_lock_mutex(&globalLock);
        dev_data->queryPoolMap[*pQueryPool].createInfo = *pCreateInfo;
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VkBool32 validateCommandBuffersNotInUse(const layer_data *dev_data, VkCommandPool commandPool) {
    VkBool32 skipCall = VK_FALSE;
    auto pool_data = dev_data->commandPoolMap.find(commandPool);
    if (pool_data != dev_data->commandPoolMap.end()) {
        for (auto cmdBuffer : pool_data->second.commandBuffers) {
            if (dev_data->globalInFlightCmdBuffers.count(cmdBuffer)) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_POOL_EXT,
                            (uint64_t)(commandPool), __LINE__, DRAWSTATE_OBJECT_INUSE, "DS",
                            "Cannot reset command pool %" PRIx64 " when allocated command buffer %" PRIx64 " is in use.",
                            (uint64_t)(commandPool), (uint64_t)(cmdBuffer));
            }
        }
    }
    return skipCall;
}

// Destroy commandPool along with all of the commandBuffers allocated from that pool
VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyCommandPool(VkDevice device, VkCommandPool commandPool, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    bool commandBufferComplete = false;
    bool skipCall = false;
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    // Verify that command buffers in pool are complete (not in-flight)
    // MTMTODO : Merge this with code below (separate *NotInUse() call)
    for (auto it = dev_data->commandPoolMap[commandPool].commandBuffers.begin();
         it != dev_data->commandPoolMap[commandPool].commandBuffers.end(); it++) {
        commandBufferComplete = VK_FALSE;
        skipCall = checkCBCompleted(dev_data, *it, &commandBufferComplete);
        if (VK_FALSE == commandBufferComplete) {
            skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                                (uint64_t)(*it), __LINE__, MEMTRACK_RESET_CB_WHILE_IN_FLIGHT, "MEM",
                                "Destroying Command Pool 0x%" PRIxLEAST64 " before "
                                "its command buffer (0x%" PRIxLEAST64 ") has completed.",
                                (uint64_t)(commandPool), reinterpret_cast<uint64_t>(*it));
        }
    }
#endif
    // Must remove cmdpool from cmdpoolmap, after removing all cmdbuffers in its list from the commandPoolMap
    if (dev_data->commandPoolMap.find(commandPool) != dev_data->commandPoolMap.end()) {
        for (auto poolCb = dev_data->commandPoolMap[commandPool].commandBuffers.begin();
             poolCb != dev_data->commandPoolMap[commandPool].commandBuffers.end();) {
            auto del_cb = dev_data->commandBufferMap.find(*poolCb);
            delete (*del_cb).second;                  // delete CB info structure
            dev_data->commandBufferMap.erase(del_cb); // Remove this command buffer
            poolCb = dev_data->commandPoolMap[commandPool].commandBuffers.erase(
                poolCb); // Remove CB reference from commandPoolMap's list
        }
    }
    dev_data->commandPoolMap.erase(commandPool);

    loader_platform_thread_unlock_mutex(&globalLock);

    if (VK_TRUE == validateCommandBuffersNotInUse(dev_data, commandPool))
        return;

    if (!skipCall)
        dev_data->device_dispatch_table->DestroyCommandPool(device, commandPool, pAllocator);
#if MTMERGESOURCE
    loader_platform_thread_lock_mutex(&globalLock);
    auto item = dev_data->commandPoolMap[commandPool].commandBuffers.begin();
    // Remove command buffers from command buffer map
    while (item != dev_data->commandPoolMap[commandPool].commandBuffers.end()) {
        auto del_item = item++;
        delete_cmd_buf_info(dev_data, commandPool, *del_item);
    }
    dev_data->commandPoolMap.erase(commandPool);
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkResetCommandPool(VkDevice device, VkCommandPool commandPool, VkCommandPoolResetFlags flags) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    bool commandBufferComplete = false;
    bool skipCall = false;
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
#if MTMERGESOURCE
    // MTMTODO : Merge this with *NotInUse() call below
    loader_platform_thread_lock_mutex(&globalLock);
    auto it = dev_data->commandPoolMap[commandPool].commandBuffers.begin();
    // Verify that CB's in pool are complete (not in-flight)
    while (it != dev_data->commandPoolMap[commandPool].commandBuffers.end()) {
        skipCall = checkCBCompleted(dev_data, (*it), &commandBufferComplete);
        if (!commandBufferComplete) {
            skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                                (uint64_t)(*it), __LINE__, MEMTRACK_RESET_CB_WHILE_IN_FLIGHT, "MEM",
                                "Resetting CB %p before it has completed. You must check CB "
                                "flag before calling vkResetCommandBuffer().",
                                (*it));
        } else {
            // Clear memory references at this point.
            clear_cmd_buf_and_mem_references(dev_data, (*it));
        }
        ++it;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
    if (VK_TRUE == validateCommandBuffersNotInUse(dev_data, commandPool))
        return VK_ERROR_VALIDATION_FAILED_EXT;

    if (!skipCall)
        result = dev_data->device_dispatch_table->ResetCommandPool(device, commandPool, flags);

    // Reset all of the CBs allocated from this pool
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        auto it = dev_data->commandPoolMap[commandPool].commandBuffers.begin();
        while (it != dev_data->commandPoolMap[commandPool].commandBuffers.end()) {
            resetCB(dev_data, (*it));
            ++it;
        }
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkResetFences(VkDevice device, uint32_t fenceCount, const VkFence *pFences) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    bool skipCall = false;
    loader_platform_thread_lock_mutex(&globalLock);
    for (uint32_t i = 0; i < fenceCount; ++i) {
#if MTMERGESOURCE
        // Reset fence state in fenceCreateInfo structure
        // MTMTODO : Merge with code below
        auto fence_item = dev_data->fenceMap.find(pFences[i]);
        if (fence_item != dev_data->fenceMap.end()) {
            // Validate fences in SIGNALED state
            if (!(fence_item->second.createInfo.flags & VK_FENCE_CREATE_SIGNALED_BIT)) {
                // TODO: I don't see a Valid Usage section for ResetFences. This behavior should be documented there.
                skipCall = log_msg(dev_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_FENCE_EXT,
                                   (uint64_t)pFences[i], __LINE__, MEMTRACK_INVALID_FENCE_STATE, "MEM",
                                   "Fence %#" PRIxLEAST64 " submitted to VkResetFences in UNSIGNALED STATE", (uint64_t)pFences[i]);
            } else {
                fence_item->second.createInfo.flags =
                    static_cast<VkFenceCreateFlags>(fence_item->second.createInfo.flags & ~VK_FENCE_CREATE_SIGNALED_BIT);
            }
        }
#endif
        if (dev_data->fenceMap[pFences[i]].in_use.load()) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_FENCE_EXT,
                        reinterpret_cast<const uint64_t &>(pFences[i]), __LINE__, DRAWSTATE_INVALID_FENCE, "DS",
                        "Fence %#" PRIx64 " is in use by a command buffer.", reinterpret_cast<const uint64_t &>(pFences[i]));
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (!skipCall)
        result = dev_data->device_dispatch_table->ResetFences(device, fenceCount, pFences);
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyFramebuffer(VkDevice device, VkFramebuffer framebuffer, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    auto fbNode = dev_data->frameBufferMap.find(framebuffer);
    if (fbNode != dev_data->frameBufferMap.end()) {
        for (auto cb : fbNode->second.referencingCmdBuffers) {
            auto cbNode = dev_data->commandBufferMap.find(cb);
            if (cbNode != dev_data->commandBufferMap.end()) {
                // Set CB as invalid and record destroyed framebuffer
                cbNode->second->state = CB_INVALID;
                cbNode->second->destroyedFramebuffers.insert(framebuffer);
            }
        }
        delete [] fbNode->second.createInfo.pAttachments;
        dev_data->frameBufferMap.erase(fbNode);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    dev_data->device_dispatch_table->DestroyFramebuffer(device, framebuffer, pAllocator);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroyRenderPass(VkDevice device, VkRenderPass renderPass, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    dev_data->device_dispatch_table->DestroyRenderPass(device, renderPass, pAllocator);
    loader_platform_thread_lock_mutex(&globalLock);
    dev_data->renderPassMap.erase(renderPass);
    loader_platform_thread_unlock_mutex(&globalLock);
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateBuffer(VkDevice device, const VkBufferCreateInfo *pCreateInfo,
                                                              const VkAllocationCallbacks *pAllocator, VkBuffer *pBuffer) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    VkResult result = dev_data->device_dispatch_table->CreateBuffer(device, pCreateInfo, pAllocator, pBuffer);

    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
        add_object_create_info(dev_data, (uint64_t)*pBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, pCreateInfo);
#endif
        // TODO : This doesn't create deep copy of pQueueFamilyIndices so need to fix that if/when we want that data to be valid
        dev_data->bufferMap[*pBuffer].create_info = unique_ptr<VkBufferCreateInfo>(new VkBufferCreateInfo(*pCreateInfo));
        dev_data->bufferMap[*pBuffer].in_use.store(0);
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateBufferView(VkDevice device, const VkBufferViewCreateInfo *pCreateInfo,
                                                                  const VkAllocationCallbacks *pAllocator, VkBufferView *pView) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateBufferView(device, pCreateInfo, pAllocator, pView);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        dev_data->bufferViewMap[*pView] = VkBufferViewCreateInfo(*pCreateInfo);
#if MTMERGESOURCE
        // In order to create a valid buffer view, the buffer must have been created with at least one of the
        // following flags:  UNIFORM_TEXEL_BUFFER_BIT or STORAGE_TEXEL_BUFFER_BIT
        validate_buffer_usage_flags(dev_data, device, pCreateInfo->buffer,
                                    VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT, VK_FALSE,
                                    "vkCreateBufferView()", "VK_BUFFER_USAGE_[STORAGE|UNIFORM]_TEXEL_BUFFER_BIT");
#endif
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateImage(VkDevice device, const VkImageCreateInfo *pCreateInfo,
                                                             const VkAllocationCallbacks *pAllocator, VkImage *pImage) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    VkResult result = dev_data->device_dispatch_table->CreateImage(device, pCreateInfo, pAllocator, pImage);

    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
        add_object_create_info(dev_data, (uint64_t)*pImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, pCreateInfo);
#endif
        IMAGE_LAYOUT_NODE image_node;
        image_node.layout = pCreateInfo->initialLayout;
        image_node.format = pCreateInfo->format;
        dev_data->imageMap[*pImage].createInfo = *pCreateInfo;
        ImageSubresourcePair subpair = {*pImage, false, VkImageSubresource()};
        dev_data->imageSubresourceMap[*pImage].push_back(subpair);
        dev_data->imageLayoutMap[subpair] = image_node;
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

static void ResolveRemainingLevelsLayers(layer_data *dev_data, VkImageSubresourceRange *range, VkImage image) {
    /* expects globalLock to be held by caller */

    auto image_node_it = dev_data->imageMap.find(image);
    if (image_node_it != dev_data->imageMap.end()) {
        /* If the caller used the special values VK_REMAINING_MIP_LEVELS and
         * VK_REMAINING_ARRAY_LAYERS, resolve them now in our internal state to
         * the actual values.
         */
        if (range->levelCount == VK_REMAINING_MIP_LEVELS) {
            range->levelCount = image_node_it->second.createInfo.mipLevels - range->baseMipLevel;
        }

        if (range->layerCount == VK_REMAINING_ARRAY_LAYERS) {
            range->layerCount = image_node_it->second.createInfo.arrayLayers - range->baseArrayLayer;
        }
    }
}

// Return the correct layer/level counts if the caller used the special
// values VK_REMAINING_MIP_LEVELS or VK_REMAINING_ARRAY_LAYERS.
static void ResolveRemainingLevelsLayers(layer_data *dev_data, uint32_t *levels, uint32_t *layers, VkImageSubresourceRange range,
                                         VkImage image) {
    /* expects globalLock to be held by caller */

    *levels = range.levelCount;
    *layers = range.layerCount;
    auto image_node_it = dev_data->imageMap.find(image);
    if (image_node_it != dev_data->imageMap.end()) {
        if (range.levelCount == VK_REMAINING_MIP_LEVELS) {
            *levels = image_node_it->second.createInfo.mipLevels - range.baseMipLevel;
        }
        if (range.layerCount == VK_REMAINING_ARRAY_LAYERS) {
            *layers = image_node_it->second.createInfo.arrayLayers - range.baseArrayLayer;
        }
    }
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateImageView(VkDevice device, const VkImageViewCreateInfo *pCreateInfo,
                                                                 const VkAllocationCallbacks *pAllocator, VkImageView *pView) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateImageView(device, pCreateInfo, pAllocator, pView);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        VkImageViewCreateInfo localCI = VkImageViewCreateInfo(*pCreateInfo);
        ResolveRemainingLevelsLayers(dev_data, &localCI.subresourceRange, pCreateInfo->image);
        dev_data->imageViewMap[*pView] = localCI;
#if MTMERGESOURCE
        // Validate that img has correct usage flags set
        validate_image_usage_flags(dev_data, device, pCreateInfo->image,
                                   VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_STORAGE_BIT |
                                       VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
                                   VK_FALSE, "vkCreateImageView()", "VK_IMAGE_USAGE_[SAMPLED|STORAGE|COLOR_ATTACHMENT]_BIT");
#endif
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkCreateFence(VkDevice device, const VkFenceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkFence *pFence) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateFence(device, pCreateInfo, pAllocator, pFence);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        FENCE_NODE *pFN = &dev_data->fenceMap[*pFence];
#if MTMERGESOURCE
        memset(pFN, 0, sizeof(MT_FENCE_INFO));
        memcpy(&(pFN->createInfo), pCreateInfo, sizeof(VkFenceCreateInfo));
        if (pCreateInfo->flags & VK_FENCE_CREATE_SIGNALED_BIT) {
            pFN->firstTimeFlag = VK_TRUE;
        }
#endif
        pFN->in_use.store(0);
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

// TODO handle pipeline caches
VKAPI_ATTR VkResult VKAPI_CALL vkCreatePipelineCache(VkDevice device, const VkPipelineCacheCreateInfo *pCreateInfo,
                                                     const VkAllocationCallbacks *pAllocator, VkPipelineCache *pPipelineCache) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreatePipelineCache(device, pCreateInfo, pAllocator, pPipelineCache);
    return result;
}

VKAPI_ATTR void VKAPI_CALL
vkDestroyPipelineCache(VkDevice device, VkPipelineCache pipelineCache, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    dev_data->device_dispatch_table->DestroyPipelineCache(device, pipelineCache, pAllocator);
}

VKAPI_ATTR VkResult VKAPI_CALL
vkGetPipelineCacheData(VkDevice device, VkPipelineCache pipelineCache, size_t *pDataSize, void *pData) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->GetPipelineCacheData(device, pipelineCache, pDataSize, pData);
    return result;
}

VKAPI_ATTR VkResult VKAPI_CALL
vkMergePipelineCaches(VkDevice device, VkPipelineCache dstCache, uint32_t srcCacheCount, const VkPipelineCache *pSrcCaches) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->MergePipelineCaches(device, dstCache, srcCacheCount, pSrcCaches);
    return result;
}

// utility function to set collective state for pipeline
void set_pipeline_state(PIPELINE_NODE *pPipe) {
    // If any attachment used by this pipeline has blendEnable, set top-level blendEnable
    if (pPipe->graphicsPipelineCI.pColorBlendState) {
        for (size_t i = 0; i < pPipe->attachments.size(); ++i) {
            if (VK_TRUE == pPipe->attachments[i].blendEnable) {
                if (((pPipe->attachments[i].dstAlphaBlendFactor >= VK_BLEND_FACTOR_CONSTANT_COLOR) &&
                     (pPipe->attachments[i].dstAlphaBlendFactor <= VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA)) ||
                    ((pPipe->attachments[i].dstColorBlendFactor >= VK_BLEND_FACTOR_CONSTANT_COLOR) &&
                     (pPipe->attachments[i].dstColorBlendFactor <= VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA)) ||
                    ((pPipe->attachments[i].srcAlphaBlendFactor >= VK_BLEND_FACTOR_CONSTANT_COLOR) &&
                     (pPipe->attachments[i].srcAlphaBlendFactor <= VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA)) ||
                    ((pPipe->attachments[i].srcColorBlendFactor >= VK_BLEND_FACTOR_CONSTANT_COLOR) &&
                     (pPipe->attachments[i].srcColorBlendFactor <= VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA))) {
                    pPipe->blendConstantsEnabled = true;
                }
            }
        }
    }
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkCreateGraphicsPipelines(VkDevice device, VkPipelineCache pipelineCache, uint32_t count,
                          const VkGraphicsPipelineCreateInfo *pCreateInfos, const VkAllocationCallbacks *pAllocator,
                          VkPipeline *pPipelines) {
    VkResult result = VK_SUCCESS;
    // TODO What to do with pipelineCache?
    // The order of operations here is a little convoluted but gets the job done
    //  1. Pipeline create state is first shadowed into PIPELINE_NODE struct
    //  2. Create state is then validated (which uses flags setup during shadowing)
    //  3. If everything looks good, we'll then create the pipeline and add NODE to pipelineMap
    VkBool32 skipCall = VK_FALSE;
    // TODO : Improve this data struct w/ unique_ptrs so cleanup below is automatic
    vector<PIPELINE_NODE *> pPipeNode(count);
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    uint32_t i = 0;
    loader_platform_thread_lock_mutex(&globalLock);

    for (i = 0; i < count; i++) {
        pPipeNode[i] = initGraphicsPipeline(dev_data, &pCreateInfos[i]);
        skipCall |= verifyPipelineCreateState(dev_data, device, pPipeNode, i);
    }

    if (VK_FALSE == skipCall) {
        loader_platform_thread_unlock_mutex(&globalLock);
        result = dev_data->device_dispatch_table->CreateGraphicsPipelines(device, pipelineCache, count, pCreateInfos, pAllocator,
                                                                          pPipelines);
        loader_platform_thread_lock_mutex(&globalLock);
        for (i = 0; i < count; i++) {
            pPipeNode[i]->pipeline = pPipelines[i];
            dev_data->pipelineMap[pPipeNode[i]->pipeline] = pPipeNode[i];
        }
        loader_platform_thread_unlock_mutex(&globalLock);
    } else {
        for (i = 0; i < count; i++) {
            delete pPipeNode[i];
        }
        loader_platform_thread_unlock_mutex(&globalLock);
        return VK_ERROR_VALIDATION_FAILED_EXT;
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkCreateComputePipelines(VkDevice device, VkPipelineCache pipelineCache, uint32_t count,
                         const VkComputePipelineCreateInfo *pCreateInfos, const VkAllocationCallbacks *pAllocator,
                         VkPipeline *pPipelines) {
    VkResult result = VK_SUCCESS;
    VkBool32 skipCall = VK_FALSE;

    // TODO : Improve this data struct w/ unique_ptrs so cleanup below is automatic
    vector<PIPELINE_NODE *> pPipeNode(count);
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    uint32_t i = 0;
    loader_platform_thread_lock_mutex(&globalLock);
    for (i = 0; i < count; i++) {
        // TODO: Verify compute stage bits

        // Create and initialize internal tracking data structure
        pPipeNode[i] = new PIPELINE_NODE;
        memcpy(&pPipeNode[i]->computePipelineCI, (const void *)&pCreateInfos[i], sizeof(VkComputePipelineCreateInfo));

        // TODO: Add Compute Pipeline Verification
        // skipCall |= verifyPipelineCreateState(dev_data, device, pPipeNode[i]);
    }

    if (VK_FALSE == skipCall) {
        loader_platform_thread_unlock_mutex(&globalLock);
        result = dev_data->device_dispatch_table->CreateComputePipelines(device, pipelineCache, count, pCreateInfos, pAllocator,
                                                                         pPipelines);
        loader_platform_thread_lock_mutex(&globalLock);
        for (i = 0; i < count; i++) {
            pPipeNode[i]->pipeline = pPipelines[i];
            dev_data->pipelineMap[pPipeNode[i]->pipeline] = pPipeNode[i];
        }
        loader_platform_thread_unlock_mutex(&globalLock);
    } else {
        for (i = 0; i < count; i++) {
            // Clean up any locally allocated data structures
            delete pPipeNode[i];
        }
        loader_platform_thread_unlock_mutex(&globalLock);
        return VK_ERROR_VALIDATION_FAILED_EXT;
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateSampler(VkDevice device, const VkSamplerCreateInfo *pCreateInfo,
                                                               const VkAllocationCallbacks *pAllocator, VkSampler *pSampler) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateSampler(device, pCreateInfo, pAllocator, pSampler);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        dev_data->sampleMap[*pSampler] = unique_ptr<SAMPLER_NODE>(new SAMPLER_NODE(pSampler, pCreateInfo));
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkCreateDescriptorSetLayout(VkDevice device, const VkDescriptorSetLayoutCreateInfo *pCreateInfo,
                            const VkAllocationCallbacks *pAllocator, VkDescriptorSetLayout *pSetLayout) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateDescriptorSetLayout(device, pCreateInfo, pAllocator, pSetLayout);
    if (VK_SUCCESS == result) {
        // TODOSC : Capture layout bindings set
        LAYOUT_NODE *pNewNode = new LAYOUT_NODE;
        if (NULL == pNewNode) {
            if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT_EXT,
                        (uint64_t)*pSetLayout, __LINE__, DRAWSTATE_OUT_OF_MEMORY, "DS",
                        "Out of memory while attempting to allocate LAYOUT_NODE in vkCreateDescriptorSetLayout()"))
                return VK_ERROR_VALIDATION_FAILED_EXT;
        }
        memcpy((void *)&pNewNode->createInfo, pCreateInfo, sizeof(VkDescriptorSetLayoutCreateInfo));
        pNewNode->createInfo.pBindings = new VkDescriptorSetLayoutBinding[pCreateInfo->bindingCount];
        memcpy((void *)pNewNode->createInfo.pBindings, pCreateInfo->pBindings,
               sizeof(VkDescriptorSetLayoutBinding) * pCreateInfo->bindingCount);
        // g++ does not like reserve with size 0
        if (pCreateInfo->bindingCount)
            pNewNode->bindingToIndexMap.reserve(pCreateInfo->bindingCount);
        uint32_t totalCount = 0;
        for (uint32_t i = 0; i < pCreateInfo->bindingCount; i++) {
            if (!pNewNode->bindingToIndexMap.emplace(pCreateInfo->pBindings[i].binding, i).second) {
                if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                            VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT_EXT, (uint64_t)*pSetLayout, __LINE__,
                            DRAWSTATE_INVALID_LAYOUT, "DS", "duplicated binding number in "
                                                            "VkDescriptorSetLayoutBinding"))
                    return VK_ERROR_VALIDATION_FAILED_EXT;
            } else {
                pNewNode->bindingToIndexMap[pCreateInfo->pBindings[i].binding] = i;
            }
            totalCount += pCreateInfo->pBindings[i].descriptorCount;
            if (pCreateInfo->pBindings[i].pImmutableSamplers) {
                VkSampler **ppIS = (VkSampler **)&pNewNode->createInfo.pBindings[i].pImmutableSamplers;
                *ppIS = new VkSampler[pCreateInfo->pBindings[i].descriptorCount];
                memcpy(*ppIS, pCreateInfo->pBindings[i].pImmutableSamplers,
                       pCreateInfo->pBindings[i].descriptorCount * sizeof(VkSampler));
            }
        }
        pNewNode->layout = *pSetLayout;
        pNewNode->startIndex = 0;
        if (totalCount > 0) {
            pNewNode->descriptorTypes.resize(totalCount);
            pNewNode->stageFlags.resize(totalCount);
            uint32_t offset = 0;
            uint32_t j = 0;
            VkDescriptorType dType;
            for (uint32_t i = 0; i < pCreateInfo->bindingCount; i++) {
                dType = pCreateInfo->pBindings[i].descriptorType;
                for (j = 0; j < pCreateInfo->pBindings[i].descriptorCount; j++) {
                    pNewNode->descriptorTypes[offset + j] = dType;
                    pNewNode->stageFlags[offset + j] = pCreateInfo->pBindings[i].stageFlags;
                    if ((dType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC) ||
                        (dType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC)) {
                        pNewNode->dynamicDescriptorCount++;
                    }
                }
                offset += j;
            }
            pNewNode->endIndex = pNewNode->startIndex + totalCount - 1;
        } else { // no descriptors
            pNewNode->endIndex = 0;
        }
        // Put new node at Head of global Layer list
        loader_platform_thread_lock_mutex(&globalLock);
        dev_data->descriptorSetLayoutMap[*pSetLayout] = pNewNode;
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

static bool validatePushConstantSize(const layer_data *dev_data, const uint32_t offset, const uint32_t size,
                                     const char *caller_name) {
    bool skipCall = false;
    if ((offset + size) > dev_data->physDevProperties.properties.limits.maxPushConstantsSize) {
        skipCall = log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                           DRAWSTATE_PUSH_CONSTANTS_ERROR, "DS", "%s call has push constants with offset %u and size %u that "
                                                                 "exceeds this device's maxPushConstantSize of %u.",
                           caller_name, offset, size, dev_data->physDevProperties.properties.limits.maxPushConstantsSize);
    }
    return skipCall;
}

VKAPI_ATTR VkResult VKAPI_CALL vkCreatePipelineLayout(VkDevice device, const VkPipelineLayoutCreateInfo *pCreateInfo,
                                                      const VkAllocationCallbacks *pAllocator, VkPipelineLayout *pPipelineLayout) {
    bool skipCall = false;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    uint32_t i = 0;
    for (i = 0; i < pCreateInfo->pushConstantRangeCount; ++i) {
        skipCall |= validatePushConstantSize(dev_data, pCreateInfo->pPushConstantRanges[i].offset,
                                             pCreateInfo->pPushConstantRanges[i].size, "vkCreatePipelineLayout()");
        if ((pCreateInfo->pPushConstantRanges[i].size == 0) || ((pCreateInfo->pPushConstantRanges[i].size & 0x3) != 0)) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_PUSH_CONSTANTS_ERROR, "DS", "vkCreatePipelineLayout() call has push constant index %u with "
                                                              "size %u. Size must be greater than zero and a multiple of 4.",
                        i, pCreateInfo->pPushConstantRanges[i].size);
        }
        // TODO : Add warning if ranges overlap
    }
    VkResult result = dev_data->device_dispatch_table->CreatePipelineLayout(device, pCreateInfo, pAllocator, pPipelineLayout);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        // TODOSC : Merge capture of the setLayouts per pipeline
        PIPELINE_LAYOUT_NODE &plNode = dev_data->pipelineLayoutMap[*pPipelineLayout];
        plNode.descriptorSetLayouts.resize(pCreateInfo->setLayoutCount);
        for (i = 0; i < pCreateInfo->setLayoutCount; ++i) {
            plNode.descriptorSetLayouts[i] = pCreateInfo->pSetLayouts[i];
        }
        plNode.pushConstantRanges.resize(pCreateInfo->pushConstantRangeCount);
        for (i = 0; i < pCreateInfo->pushConstantRangeCount; ++i) {
            plNode.pushConstantRanges[i] = pCreateInfo->pPushConstantRanges[i];
        }
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkCreateDescriptorPool(VkDevice device, const VkDescriptorPoolCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator,
                       VkDescriptorPool *pDescriptorPool) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateDescriptorPool(device, pCreateInfo, pAllocator, pDescriptorPool);
    if (VK_SUCCESS == result) {
        // Insert this pool into Global Pool LL at head
        if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_POOL_EXT,
                    (uint64_t)*pDescriptorPool, __LINE__, DRAWSTATE_OUT_OF_MEMORY, "DS", "Created Descriptor Pool %#" PRIxLEAST64,
                    (uint64_t)*pDescriptorPool))
            return VK_ERROR_VALIDATION_FAILED_EXT;
        DESCRIPTOR_POOL_NODE *pNewNode = new DESCRIPTOR_POOL_NODE(*pDescriptorPool, pCreateInfo);
        if (NULL == pNewNode) {
            if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_POOL_EXT,
                        (uint64_t)*pDescriptorPool, __LINE__, DRAWSTATE_OUT_OF_MEMORY, "DS",
                        "Out of memory while attempting to allocate DESCRIPTOR_POOL_NODE in vkCreateDescriptorPool()"))
                return VK_ERROR_VALIDATION_FAILED_EXT;
        } else {
            loader_platform_thread_lock_mutex(&globalLock);
            dev_data->descriptorPoolMap[*pDescriptorPool] = pNewNode;
            loader_platform_thread_unlock_mutex(&globalLock);
        }
    } else {
        // Need to do anything if pool create fails?
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkResetDescriptorPool(VkDevice device, VkDescriptorPool descriptorPool, VkDescriptorPoolResetFlags flags) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->ResetDescriptorPool(device, descriptorPool, flags);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        clearDescriptorPool(dev_data, device, descriptorPool, flags);
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkAllocateDescriptorSets(VkDevice device, const VkDescriptorSetAllocateInfo *pAllocateInfo, VkDescriptorSet *pDescriptorSets) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    loader_platform_thread_lock_mutex(&globalLock);
    // Verify that requested descriptorSets are available in pool
    DESCRIPTOR_POOL_NODE *pPoolNode = getPoolNode(dev_data, pAllocateInfo->descriptorPool);
    if (!pPoolNode) {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_POOL_EXT,
                            (uint64_t)pAllocateInfo->descriptorPool, __LINE__, DRAWSTATE_INVALID_POOL, "DS",
                            "Unable to find pool node for pool %#" PRIxLEAST64 " specified in vkAllocateDescriptorSets() call",
                            (uint64_t)pAllocateInfo->descriptorPool);
    } else { // Make sure pool has all the available descriptors before calling down chain
        skipCall |= validate_descriptor_availability_in_pool(dev_data, pPoolNode, pAllocateInfo->descriptorSetCount,
                                                             pAllocateInfo->pSetLayouts);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (skipCall)
        return VK_ERROR_VALIDATION_FAILED_EXT;
    VkResult result = dev_data->device_dispatch_table->AllocateDescriptorSets(device, pAllocateInfo, pDescriptorSets);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        DESCRIPTOR_POOL_NODE *pPoolNode = getPoolNode(dev_data, pAllocateInfo->descriptorPool);
        if (pPoolNode) {
            if (pAllocateInfo->descriptorSetCount == 0) {
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                        pAllocateInfo->descriptorSetCount, __LINE__, DRAWSTATE_NONE, "DS",
                        "AllocateDescriptorSets called with 0 count");
            }
            for (uint32_t i = 0; i < pAllocateInfo->descriptorSetCount; i++) {
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                        (uint64_t)pDescriptorSets[i], __LINE__, DRAWSTATE_NONE, "DS", "Created Descriptor Set %#" PRIxLEAST64,
                        (uint64_t)pDescriptorSets[i]);
                // Create new set node and add to head of pool nodes
                SET_NODE *pNewNode = new SET_NODE;
                if (NULL == pNewNode) {
                    if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)pDescriptorSets[i], __LINE__,
                                DRAWSTATE_OUT_OF_MEMORY, "DS",
                                "Out of memory while attempting to allocate SET_NODE in vkAllocateDescriptorSets()")) {
                        loader_platform_thread_unlock_mutex(&globalLock);
                        return VK_ERROR_VALIDATION_FAILED_EXT;
                    }
                } else {
                    // TODO : Pool should store a total count of each type of Descriptor available
                    //  When descriptors are allocated, decrement the count and validate here
                    //  that the count doesn't go below 0. One reset/free need to bump count back up.
                    // Insert set at head of Set LL for this pool
                    pNewNode->pNext = pPoolNode->pSets;
                    pNewNode->in_use.store(0);
                    pPoolNode->pSets = pNewNode;
                    LAYOUT_NODE *pLayout = getLayoutNode(dev_data, pAllocateInfo->pSetLayouts[i]);
                    if (NULL == pLayout) {
                        if (log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                    VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT_EXT, (uint64_t)pAllocateInfo->pSetLayouts[i],
                                    __LINE__, DRAWSTATE_INVALID_LAYOUT, "DS",
                                    "Unable to find set layout node for layout %#" PRIxLEAST64
                                    " specified in vkAllocateDescriptorSets() call",
                                    (uint64_t)pAllocateInfo->pSetLayouts[i])) {
                            loader_platform_thread_unlock_mutex(&globalLock);
                            return VK_ERROR_VALIDATION_FAILED_EXT;
                        }
                    }
                    pNewNode->pLayout = pLayout;
                    pNewNode->pool = pAllocateInfo->descriptorPool;
                    pNewNode->set = pDescriptorSets[i];
                    pNewNode->descriptorCount = (pLayout->createInfo.bindingCount != 0) ? pLayout->endIndex + 1 : 0;
                    if (pNewNode->descriptorCount) {
                        pNewNode->pDescriptorUpdates.resize(pNewNode->descriptorCount);
                    }
                    dev_data->setMap[pDescriptorSets[i]] = pNewNode;
                }
            }
        }
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkFreeDescriptorSets(VkDevice device, VkDescriptorPool descriptorPool, uint32_t count, const VkDescriptorSet *pDescriptorSets) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    // Make sure that no sets being destroyed are in-flight
    loader_platform_thread_lock_mutex(&globalLock);
    for (uint32_t i = 0; i < count; ++i)
        skipCall |= validateIdleDescriptorSet(dev_data, pDescriptorSets[i], "vkFreeDesriptorSets");
    DESCRIPTOR_POOL_NODE *pPoolNode = getPoolNode(dev_data, descriptorPool);
    if (pPoolNode && !(VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT & pPoolNode->createInfo.flags)) {
        // Can't Free from a NON_FREE pool
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT,
                            (uint64_t)device, __LINE__, DRAWSTATE_CANT_FREE_FROM_NON_FREE_POOL, "DS",
                            "It is invalid to call vkFreeDescriptorSets() with a pool created without setting "
                            "VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT.");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE != skipCall)
        return VK_ERROR_VALIDATION_FAILED_EXT;
    VkResult result = dev_data->device_dispatch_table->FreeDescriptorSets(device, descriptorPool, count, pDescriptorSets);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);

        // Update available descriptor sets in pool
        pPoolNode->availableSets += count;

        // For each freed descriptor add it back into the pool as available
        for (uint32_t i = 0; i < count; ++i) {
            SET_NODE *pSet = dev_data->setMap[pDescriptorSets[i]]; // getSetNode() without locking
            invalidateBoundCmdBuffers(dev_data, pSet);
            LAYOUT_NODE *pLayout = pSet->pLayout;
            uint32_t typeIndex = 0, poolSizeCount = 0;
            for (uint32_t j = 0; j < pLayout->createInfo.bindingCount; ++j) {
                typeIndex = static_cast<uint32_t>(pLayout->createInfo.pBindings[j].descriptorType);
                poolSizeCount = pLayout->createInfo.pBindings[j].descriptorCount;
                pPoolNode->availableDescriptorTypeCount[typeIndex] += poolSizeCount;
            }
        }
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    // TODO : Any other clean-up or book-keeping to do here?
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkUpdateDescriptorSets(VkDevice device, uint32_t descriptorWriteCount, const VkWriteDescriptorSet *pDescriptorWrites,
                       uint32_t descriptorCopyCount, const VkCopyDescriptorSet *pDescriptorCopies) {
    // dsUpdate will return VK_TRUE only if a bailout error occurs, so we want to call down tree when update returns VK_FALSE
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    VkBool32 rtn = dsUpdate(dev_data, device, descriptorWriteCount, pDescriptorWrites, descriptorCopyCount, pDescriptorCopies);
    loader_platform_thread_unlock_mutex(&globalLock);
    if (!rtn) {
        dev_data->device_dispatch_table->UpdateDescriptorSets(device, descriptorWriteCount, pDescriptorWrites, descriptorCopyCount,
                                                              pDescriptorCopies);
    }
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkAllocateCommandBuffers(VkDevice device, const VkCommandBufferAllocateInfo *pCreateInfo, VkCommandBuffer *pCommandBuffer) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->AllocateCommandBuffers(device, pCreateInfo, pCommandBuffer);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        auto const &cp_it = dev_data->commandPoolMap.find(pCreateInfo->commandPool);
        if (cp_it != dev_data->commandPoolMap.end()) {
            for (uint32_t i = 0; i < pCreateInfo->commandBufferCount; i++) {
                // Add command buffer to its commandPool map
                cp_it->second.commandBuffers.push_back(pCommandBuffer[i]);
                GLOBAL_CB_NODE *pCB = new GLOBAL_CB_NODE;
                // Add command buffer to map
                dev_data->commandBufferMap[pCommandBuffer[i]] = pCB;
                resetCB(dev_data, pCommandBuffer[i]);
                pCB->createInfo = *pCreateInfo;
                pCB->device = device;
            }
        }
#if MTMERGESOURCE
        printCBList(dev_data, device);
#endif
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkBeginCommandBuffer(VkCommandBuffer commandBuffer, const VkCommandBufferBeginInfo *pBeginInfo) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    // Validate command buffer level
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
#if MTMERGESOURCE
        bool commandBufferComplete = false;
        // MTMTODO : Merge this with code below
        // This implicitly resets the Cmd Buffer so make sure any fence is done and then clear memory references
        skipCall = checkCBCompleted(dev_data, commandBuffer, &commandBufferComplete);

        if (!commandBufferComplete) {
            skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                                (uint64_t)commandBuffer, __LINE__, MEMTRACK_RESET_CB_WHILE_IN_FLIGHT, "MEM",
                                "Calling vkBeginCommandBuffer() on active CB %p before it has completed. "
                                "You must check CB flag before this call.",
                                commandBuffer);
        }
#endif
        if (pCB->createInfo.level != VK_COMMAND_BUFFER_LEVEL_PRIMARY) {
            // Secondary Command Buffer
            const VkCommandBufferInheritanceInfo *pInfo = pBeginInfo->pInheritanceInfo;
            if (!pInfo) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            reinterpret_cast<uint64_t>(commandBuffer), __LINE__, DRAWSTATE_BEGIN_CB_INVALID_STATE, "DS",
                            "vkBeginCommandBuffer(): Secondary Command Buffer (%p) must have inheritance info.",
                            reinterpret_cast<void *>(commandBuffer));
            } else {
                if (pBeginInfo->flags & VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT) {
                    if (!pInfo->renderPass) { // renderpass should NOT be null for an Secondary CB
                        skipCall |= log_msg(
                            dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            reinterpret_cast<uint64_t>(commandBuffer), __LINE__, DRAWSTATE_BEGIN_CB_INVALID_STATE, "DS",
                            "vkBeginCommandBuffer(): Secondary Command Buffers (%p) must specify a valid renderpass parameter.",
                            reinterpret_cast<void *>(commandBuffer));
                    }
                    if (!pInfo->framebuffer) { // framebuffer may be null for an Secondary CB, but this affects perf
                        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                                            reinterpret_cast<uint64_t>(commandBuffer), __LINE__, DRAWSTATE_BEGIN_CB_INVALID_STATE,
                                            "DS", "vkBeginCommandBuffer(): Secondary Command Buffers (%p) may perform better if a "
                                                  "valid framebuffer parameter is specified.",
                                            reinterpret_cast<void *>(commandBuffer));
                    } else {
                        string errorString = "";
                        auto fbNode = dev_data->frameBufferMap.find(pInfo->framebuffer);
                        if (fbNode != dev_data->frameBufferMap.end()) {
                            VkRenderPass fbRP = fbNode->second.createInfo.renderPass;
                            if (!verify_renderpass_compatibility(dev_data, fbRP, pInfo->renderPass, errorString)) {
                                // renderPass that framebuffer was created with
                                // must
                                // be compatible with local renderPass
                                skipCall |=
                                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                                            reinterpret_cast<uint64_t>(commandBuffer), __LINE__, DRAWSTATE_RENDERPASS_INCOMPATIBLE,
                                            "DS", "vkBeginCommandBuffer(): Secondary Command "
                                                  "Buffer (%p) renderPass (%#" PRIxLEAST64 ") is incompatible w/ framebuffer "
                                                  "(%#" PRIxLEAST64 ") w/ render pass (%#" PRIxLEAST64 ") due to: %s",
                                            reinterpret_cast<void *>(commandBuffer), (uint64_t)(pInfo->renderPass),
                                            (uint64_t)(pInfo->framebuffer), (uint64_t)(fbRP), errorString.c_str());
                            }
                            // Connect this framebuffer to this cmdBuffer
                            fbNode->second.referencingCmdBuffers.insert(pCB->commandBuffer);
                        }
                    }
                }
                if ((pInfo->occlusionQueryEnable == VK_FALSE ||
                     dev_data->physDevProperties.features.occlusionQueryPrecise == VK_FALSE) &&
                    (pInfo->queryFlags & VK_QUERY_CONTROL_PRECISE_BIT)) {
                    skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, reinterpret_cast<uint64_t>(commandBuffer),
                                        __LINE__, DRAWSTATE_BEGIN_CB_INVALID_STATE, "DS",
                                        "vkBeginCommandBuffer(): Secondary Command Buffer (%p) must not have "
                                        "VK_QUERY_CONTROL_PRECISE_BIT if occulusionQuery is disabled or the device does not "
                                        "support precise occlusion queries.",
                                        reinterpret_cast<void *>(commandBuffer));
                }
            }
            if (pInfo && pInfo->renderPass != VK_NULL_HANDLE) {
                auto rp_data = dev_data->renderPassMap.find(pInfo->renderPass);
                if (rp_data != dev_data->renderPassMap.end() && rp_data->second && rp_data->second->pCreateInfo) {
                    if (pInfo->subpass >= rp_data->second->pCreateInfo->subpassCount) {
                        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, (uint64_t)commandBuffer, __LINE__,
                                            DRAWSTATE_BEGIN_CB_INVALID_STATE, "DS",
                                            "vkBeginCommandBuffer(): Secondary Command Buffers (%p) must has a subpass index (%d) "
                                            "that is less than the number of subpasses (%d).",
                                            (void *)commandBuffer, pInfo->subpass, rp_data->second->pCreateInfo->subpassCount);
                    }
                }
            }
        }
        if (CB_RECORDING == pCB->state) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        (uint64_t)commandBuffer, __LINE__, DRAWSTATE_BEGIN_CB_INVALID_STATE, "DS",
                        "vkBeginCommandBuffer(): Cannot call Begin on CB (%#" PRIxLEAST64
                        ") in the RECORDING state. Must first call vkEndCommandBuffer().",
                        (uint64_t)commandBuffer);
        } else if (CB_RECORDED == pCB->state) {
            VkCommandPool cmdPool = pCB->createInfo.commandPool;
            if (!(VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT & dev_data->commandPoolMap[cmdPool].createFlags)) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            (uint64_t)commandBuffer, __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER_RESET, "DS",
                            "Call to vkBeginCommandBuffer() on command buffer (%#" PRIxLEAST64
                            ") attempts to implicitly reset cmdBuffer created from command pool (%#" PRIxLEAST64
                            ") that does NOT have the VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT bit set.",
                            (uint64_t)commandBuffer, (uint64_t)cmdPool);
            }
            resetCB(dev_data, commandBuffer);
        }
        // Set updated state here in case implicit reset occurs above
        pCB->state = CB_RECORDING;
        pCB->beginInfo = *pBeginInfo;
        if (pCB->beginInfo.pInheritanceInfo) {
            pCB->inheritanceInfo = *(pCB->beginInfo.pInheritanceInfo);
            pCB->beginInfo.pInheritanceInfo = &pCB->inheritanceInfo;
        }
    } else {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            (uint64_t)commandBuffer, __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                            "In vkBeginCommandBuffer() and unable to find CommandBuffer Node for CB %p!", (void *)commandBuffer);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE != skipCall) {
        return VK_ERROR_VALIDATION_FAILED_EXT;
    }
    VkResult result = dev_data->device_dispatch_table->BeginCommandBuffer(commandBuffer, pBeginInfo);
#if MTMERGESOURCE
    loader_platform_thread_lock_mutex(&globalLock);
    clear_cmd_buf_and_mem_references(dev_data, commandBuffer);
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEndCommandBuffer(VkCommandBuffer commandBuffer) {
    VkBool32 skipCall = VK_FALSE;
    VkResult result = VK_SUCCESS;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        if (pCB->state != CB_RECORDING) {
            skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkEndCommandBuffer()");
        }
        for (auto query : pCB->activeQueries) {
            skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_INVALID_QUERY, "DS",
                                "Ending command buffer with in progress query: queryPool %" PRIu64 ", index %d",
                                (uint64_t)(query.pool), query.index);
        }
    }
    if (VK_FALSE == skipCall) {
        loader_platform_thread_unlock_mutex(&globalLock);
        result = dev_data->device_dispatch_table->EndCommandBuffer(commandBuffer);
        loader_platform_thread_lock_mutex(&globalLock);
        if (VK_SUCCESS == result) {
            pCB->state = CB_RECORDED;
            // Reset CB status flags
            pCB->status = 0;
            printCB(dev_data, commandBuffer);
        }
    } else {
        result = VK_ERROR_VALIDATION_FAILED_EXT;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkResetCommandBuffer(VkCommandBuffer commandBuffer, VkCommandBufferResetFlags flags) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    bool commandBufferComplete = false;
    // Verify that CB is complete (not in-flight)
    skipCall = checkCBCompleted(dev_data, commandBuffer, &commandBufferComplete);
    if (!commandBufferComplete) {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            (uint64_t)commandBuffer, __LINE__, MEMTRACK_RESET_CB_WHILE_IN_FLIGHT, "MEM",
                            "Resetting CB %p before it has completed. You must check CB "
                            "flag before calling vkResetCommandBuffer().",
                            commandBuffer);
    }
    // Clear memory references as this point.
    clear_cmd_buf_and_mem_references(dev_data, commandBuffer);
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    VkCommandPool cmdPool = pCB->createInfo.commandPool;
    if (!(VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT & dev_data->commandPoolMap[cmdPool].createFlags)) {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            (uint64_t)commandBuffer, __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER_RESET, "DS",
                            "Attempt to reset command buffer (%#" PRIxLEAST64 ") created from command pool (%#" PRIxLEAST64
                            ") that does NOT have the VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT bit set.",
                            (uint64_t)commandBuffer, (uint64_t)cmdPool);
    }
    if (dev_data->globalInFlightCmdBuffers.count(commandBuffer)) {
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            (uint64_t)commandBuffer, __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER_RESET, "DS",
                            "Attempt to reset command buffer (%#" PRIxLEAST64 ") which is in use.",
                            reinterpret_cast<uint64_t>(commandBuffer));
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (skipCall != VK_FALSE)
        return VK_ERROR_VALIDATION_FAILED_EXT;
    VkResult result = dev_data->device_dispatch_table->ResetCommandBuffer(commandBuffer, flags);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        resetCB(dev_data, commandBuffer);
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}
#if MTMERGESOURCE
// TODO : For any vkCmdBind* calls that include an object which has mem bound to it,
//    need to account for that mem now having binding to given commandBuffer
#endif
VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdBindPipeline(VkCommandBuffer commandBuffer, VkPipelineBindPoint pipelineBindPoint, VkPipeline pipeline) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_BINDPIPELINE, "vkCmdBindPipeline()");
        if ((VK_PIPELINE_BIND_POINT_COMPUTE == pipelineBindPoint) && (pCB->activeRenderPass)) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_EXT,
                        (uint64_t)pipeline, __LINE__, DRAWSTATE_INVALID_RENDERPASS_CMD, "DS",
                        "Incorrectly binding compute pipeline (%#" PRIxLEAST64 ") during active RenderPass (%#" PRIxLEAST64 ")",
                        (uint64_t)pipeline, (uint64_t)pCB->activeRenderPass);
        }

        PIPELINE_NODE *pPN = getPipeline(dev_data, pipeline);
        if (pPN) {
            pCB->lastBound[pipelineBindPoint].pipeline = pipeline;
            set_cb_pso_status(pCB, pPN);
            set_pipeline_state(pPN);
            skipCall |= validatePipelineState(dev_data, pCB, pipelineBindPoint, pipeline);
        } else {
            skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_EXT,
                                (uint64_t)pipeline, __LINE__, DRAWSTATE_INVALID_PIPELINE, "DS",
                                "Attempt to bind Pipeline %#" PRIxLEAST64 " that doesn't exist!", (uint64_t)(pipeline));
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdBindPipeline(commandBuffer, pipelineBindPoint, pipeline);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdSetViewport(VkCommandBuffer commandBuffer, uint32_t firstViewport, uint32_t viewportCount, const VkViewport *pViewports) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETVIEWPORTSTATE, "vkCmdSetViewport()");
        pCB->status |= CBSTATUS_VIEWPORT_SET;
        pCB->viewports.resize(viewportCount);
        memcpy(pCB->viewports.data(), pViewports, viewportCount * sizeof(VkViewport));
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetViewport(commandBuffer, firstViewport, viewportCount, pViewports);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdSetScissor(VkCommandBuffer commandBuffer, uint32_t firstScissor, uint32_t scissorCount, const VkRect2D *pScissors) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETSCISSORSTATE, "vkCmdSetScissor()");
        pCB->status |= CBSTATUS_SCISSOR_SET;
        pCB->scissors.resize(scissorCount);
        memcpy(pCB->scissors.data(), pScissors, scissorCount * sizeof(VkRect2D));
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetScissor(commandBuffer, firstScissor, scissorCount, pScissors);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdSetLineWidth(VkCommandBuffer commandBuffer, float lineWidth) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETLINEWIDTHSTATE, "vkCmdSetLineWidth()");
        pCB->status |= CBSTATUS_LINE_WIDTH_SET;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetLineWidth(commandBuffer, lineWidth);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdSetDepthBias(VkCommandBuffer commandBuffer, float depthBiasConstantFactor, float depthBiasClamp, float depthBiasSlopeFactor) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETDEPTHBIASSTATE, "vkCmdSetDepthBias()");
        pCB->status |= CBSTATUS_DEPTH_BIAS_SET;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetDepthBias(commandBuffer, depthBiasConstantFactor, depthBiasClamp,
                                                         depthBiasSlopeFactor);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdSetBlendConstants(VkCommandBuffer commandBuffer, const float blendConstants[4]) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETBLENDSTATE, "vkCmdSetBlendConstants()");
        pCB->status |= CBSTATUS_BLEND_CONSTANTS_SET;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetBlendConstants(commandBuffer, blendConstants);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdSetDepthBounds(VkCommandBuffer commandBuffer, float minDepthBounds, float maxDepthBounds) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETDEPTHBOUNDSSTATE, "vkCmdSetDepthBounds()");
        pCB->status |= CBSTATUS_DEPTH_BOUNDS_SET;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetDepthBounds(commandBuffer, minDepthBounds, maxDepthBounds);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdSetStencilCompareMask(VkCommandBuffer commandBuffer, VkStencilFaceFlags faceMask, uint32_t compareMask) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETSTENCILREADMASKSTATE, "vkCmdSetStencilCompareMask()");
        pCB->status |= CBSTATUS_STENCIL_READ_MASK_SET;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetStencilCompareMask(commandBuffer, faceMask, compareMask);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdSetStencilWriteMask(VkCommandBuffer commandBuffer, VkStencilFaceFlags faceMask, uint32_t writeMask) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETSTENCILWRITEMASKSTATE, "vkCmdSetStencilWriteMask()");
        pCB->status |= CBSTATUS_STENCIL_WRITE_MASK_SET;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetStencilWriteMask(commandBuffer, faceMask, writeMask);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdSetStencilReference(VkCommandBuffer commandBuffer, VkStencilFaceFlags faceMask, uint32_t reference) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETSTENCILREFERENCESTATE, "vkCmdSetStencilReference()");
        pCB->status |= CBSTATUS_STENCIL_REFERENCE_SET;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetStencilReference(commandBuffer, faceMask, reference);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdBindDescriptorSets(VkCommandBuffer commandBuffer, VkPipelineBindPoint pipelineBindPoint, VkPipelineLayout layout,
                        uint32_t firstSet, uint32_t setCount, const VkDescriptorSet *pDescriptorSets, uint32_t dynamicOffsetCount,
                        const uint32_t *pDynamicOffsets) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        if (pCB->state == CB_RECORDING) {
            // Track total count of dynamic descriptor types to make sure we have an offset for each one
            uint32_t totalDynamicDescriptors = 0;
            string errorString = "";
            uint32_t lastSetIndex = firstSet + setCount - 1;
            if (lastSetIndex >= pCB->lastBound[pipelineBindPoint].boundDescriptorSets.size())
                pCB->lastBound[pipelineBindPoint].boundDescriptorSets.resize(lastSetIndex + 1);
            VkDescriptorSet oldFinalBoundSet = pCB->lastBound[pipelineBindPoint].boundDescriptorSets[lastSetIndex];
            for (uint32_t i = 0; i < setCount; i++) {
                SET_NODE *pSet = getSetNode(dev_data, pDescriptorSets[i]);
                if (pSet) {
                    pCB->lastBound[pipelineBindPoint].uniqueBoundSets.insert(pDescriptorSets[i]);
                    pSet->boundCmdBuffers.insert(commandBuffer);
                    pCB->lastBound[pipelineBindPoint].pipelineLayout = layout;
                    pCB->lastBound[pipelineBindPoint].boundDescriptorSets[i + firstSet] = pDescriptorSets[i];
                    skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)pDescriptorSets[i], __LINE__,
                                        DRAWSTATE_NONE, "DS", "DS %#" PRIxLEAST64 " bound on pipeline %s",
                                        (uint64_t)pDescriptorSets[i], string_VkPipelineBindPoint(pipelineBindPoint));
                    if (!pSet->pUpdateStructs && (pSet->descriptorCount != 0)) {
                        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)pDescriptorSets[i],
                                            __LINE__, DRAWSTATE_DESCRIPTOR_SET_NOT_UPDATED, "DS",
                                            "DS %#" PRIxLEAST64
                                            " bound but it was never updated. You may want to either update it or not bind it.",
                                            (uint64_t)pDescriptorSets[i]);
                    }
                    // Verify that set being bound is compatible with overlapping setLayout of pipelineLayout
                    if (!verify_set_layout_compatibility(dev_data, pSet, layout, i + firstSet, errorString)) {
                        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)pDescriptorSets[i],
                                            __LINE__, DRAWSTATE_PIPELINE_LAYOUTS_INCOMPATIBLE, "DS",
                                            "descriptorSet #%u being bound is not compatible with overlapping layout in "
                                            "pipelineLayout due to: %s",
                                            i, errorString.c_str());
                    }
                    if (pSet->pLayout->dynamicDescriptorCount) {
                        // First make sure we won't overstep bounds of pDynamicOffsets array
                        if ((totalDynamicDescriptors + pSet->pLayout->dynamicDescriptorCount) > dynamicOffsetCount) {
                            skipCall |=
                                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)pDescriptorSets[i], __LINE__,
                                        DRAWSTATE_INVALID_DYNAMIC_OFFSET_COUNT, "DS",
                                        "descriptorSet #%u (%#" PRIxLEAST64
                                        ") requires %u dynamicOffsets, but only %u dynamicOffsets are left in pDynamicOffsets "
                                        "array. There must be one dynamic offset for each dynamic descriptor being bound.",
                                        i, (uint64_t)pDescriptorSets[i], pSet->pLayout->dynamicDescriptorCount,
                                        (dynamicOffsetCount - totalDynamicDescriptors));
                        } else { // Validate and store dynamic offsets with the set
                            // Validate Dynamic Offset Minimums
                            uint32_t cur_dyn_offset = totalDynamicDescriptors;
                            for (uint32_t d = 0; d < pSet->descriptorCount; d++) {
                                if (pSet->pLayout->descriptorTypes[d] == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC) {
                                    if (vk_safe_modulo(
                                            pDynamicOffsets[cur_dyn_offset],
                                            dev_data->physDevProperties.properties.limits.minUniformBufferOffsetAlignment) !=
                                        0) {
                                        skipCall |= log_msg(
                                            dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, 0, __LINE__,
                                            DRAWSTATE_INVALID_UNIFORM_BUFFER_OFFSET, "DS",
                                            "vkCmdBindDescriptorSets(): pDynamicOffsets[%d] is %d but must be a multiple of "
                                            "device limit minUniformBufferOffsetAlignment %#" PRIxLEAST64,
                                            cur_dyn_offset, pDynamicOffsets[cur_dyn_offset],
                                            dev_data->physDevProperties.properties.limits.minUniformBufferOffsetAlignment);
                                    }
                                    cur_dyn_offset++;
                                } else if (pSet->pLayout->descriptorTypes[d] == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) {
                                    if (vk_safe_modulo(
                                            pDynamicOffsets[cur_dyn_offset],
                                            dev_data->physDevProperties.properties.limits.minStorageBufferOffsetAlignment) !=
                                        0) {
                                        skipCall |= log_msg(
                                            dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, 0, __LINE__,
                                            DRAWSTATE_INVALID_STORAGE_BUFFER_OFFSET, "DS",
                                            "vkCmdBindDescriptorSets(): pDynamicOffsets[%d] is %d but must be a multiple of "
                                            "device limit minStorageBufferOffsetAlignment %#" PRIxLEAST64,
                                            cur_dyn_offset, pDynamicOffsets[cur_dyn_offset],
                                            dev_data->physDevProperties.properties.limits.minStorageBufferOffsetAlignment);
                                    }
                                    cur_dyn_offset++;
                                }
                            }
                            // Keep running total of dynamic descriptor count to verify at the end
                            totalDynamicDescriptors += pSet->pLayout->dynamicDescriptorCount;
                        }
                    }
                } else {
                    skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)pDescriptorSets[i], __LINE__,
                                        DRAWSTATE_INVALID_SET, "DS", "Attempt to bind DS %#" PRIxLEAST64 " that doesn't exist!",
                                        (uint64_t)pDescriptorSets[i]);
                }
                skipCall |= addCmd(dev_data, pCB, CMD_BINDDESCRIPTORSETS, "vkCmdBindDescriptorSets()");
                // For any previously bound sets, need to set them to "invalid" if they were disturbed by this update
                if (firstSet > 0) { // Check set #s below the first bound set
                    for (uint32_t i = 0; i < firstSet; ++i) {
                        if (pCB->lastBound[pipelineBindPoint].boundDescriptorSets[i] &&
                            !verify_set_layout_compatibility(
                                dev_data, dev_data->setMap[pCB->lastBound[pipelineBindPoint].boundDescriptorSets[i]], layout, i,
                                errorString)) {
                            skipCall |= log_msg(
                                dev_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT,
                                (uint64_t)pCB->lastBound[pipelineBindPoint].boundDescriptorSets[i], __LINE__, DRAWSTATE_NONE, "DS",
                                "DescriptorSetDS %#" PRIxLEAST64
                                " previously bound as set #%u was disturbed by newly bound pipelineLayout (%#" PRIxLEAST64 ")",
                                (uint64_t)pCB->lastBound[pipelineBindPoint].boundDescriptorSets[i], i, (uint64_t)layout);
                            pCB->lastBound[pipelineBindPoint].boundDescriptorSets[i] = VK_NULL_HANDLE;
                        }
                    }
                }
                // Check if newly last bound set invalidates any remaining bound sets
                if ((pCB->lastBound[pipelineBindPoint].boundDescriptorSets.size() - 1) > (lastSetIndex)) {
                    if (oldFinalBoundSet &&
                        !verify_set_layout_compatibility(dev_data, dev_data->setMap[oldFinalBoundSet], layout, lastSetIndex,
                                                         errorString)) {
                        skipCall |=
                            log_msg(dev_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                    VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT, (uint64_t)oldFinalBoundSet, __LINE__,
                                    DRAWSTATE_NONE, "DS", "DescriptorSetDS %#" PRIxLEAST64
                                                          " previously bound as set #%u is incompatible with set %#" PRIxLEAST64
                                                          " newly bound as set #%u so set #%u and any subsequent sets were "
                                                          "disturbed by newly bound pipelineLayout (%#" PRIxLEAST64 ")",
                                    (uint64_t)oldFinalBoundSet, lastSetIndex,
                                    (uint64_t)pCB->lastBound[pipelineBindPoint].boundDescriptorSets[lastSetIndex], lastSetIndex,
                                    lastSetIndex + 1, (uint64_t)layout);
                        pCB->lastBound[pipelineBindPoint].boundDescriptorSets.resize(lastSetIndex + 1);
                    }
                }
            }
            //  dynamicOffsetCount must equal the total number of dynamic descriptors in the sets being bound
            if (totalDynamicDescriptors != dynamicOffsetCount) {
                skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                    VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, (uint64_t)commandBuffer, __LINE__,
                                    DRAWSTATE_INVALID_DYNAMIC_OFFSET_COUNT, "DS",
                                    "Attempting to bind %u descriptorSets with %u dynamic descriptors, but dynamicOffsetCount "
                                    "is %u. It should exactly match the number of dynamic descriptors.",
                                    setCount, totalDynamicDescriptors, dynamicOffsetCount);
            }
            // Save dynamicOffsets bound to this CB
            for (uint32_t i = 0; i < dynamicOffsetCount; i++) {
                pCB->lastBound[pipelineBindPoint].dynamicOffsets.emplace_back(pDynamicOffsets[i]);
            }
        } else {
            skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkCmdBindDescriptorSets()");
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdBindDescriptorSets(commandBuffer, pipelineBindPoint, layout, firstSet, setCount,
                                                               pDescriptorSets, dynamicOffsetCount, pDynamicOffsets);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdBindIndexBuffer(VkCommandBuffer commandBuffer, VkBuffer buffer, VkDeviceSize offset, VkIndexType indexType) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    skipCall =
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)(buffer), VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() { return validate_memory_is_valid(dev_data, mem, "vkCmdBindIndexBuffer()"); };
        cb_data->second->validate_functions.push_back(function);
    }
    // TODO : Somewhere need to verify that IBs have correct usage state flagged
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_BINDINDEXBUFFER, "vkCmdBindIndexBuffer()");
        VkDeviceSize offset_align = 0;
        switch (indexType) {
        case VK_INDEX_TYPE_UINT16:
            offset_align = 2;
            break;
        case VK_INDEX_TYPE_UINT32:
            offset_align = 4;
            break;
        default:
            // ParamChecker should catch bad enum, we'll also throw alignment error below if offset_align stays 0
            break;
        }
        if (!offset_align || (offset % offset_align)) {
            skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_VTX_INDEX_ALIGNMENT_ERROR, "DS",
                                "vkCmdBindIndexBuffer() offset (%#" PRIxLEAST64 ") does not fall on alignment (%s) boundary.",
                                offset, string_VkIndexType(indexType));
        }
        pCB->status |= CBSTATUS_INDEX_BUFFER_BOUND;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdBindIndexBuffer(commandBuffer, buffer, offset, indexType);
}

void updateResourceTracking(GLOBAL_CB_NODE *pCB, uint32_t firstBinding, uint32_t bindingCount, const VkBuffer *pBuffers) {
    uint32_t end = firstBinding + bindingCount;
    if (pCB->currentDrawData.buffers.size() < end) {
        pCB->currentDrawData.buffers.resize(end);
    }
    for (uint32_t i = 0; i < bindingCount; ++i) {
        pCB->currentDrawData.buffers[i + firstBinding] = pBuffers[i];
    }
}

void updateResourceTrackingOnDraw(GLOBAL_CB_NODE *pCB) { pCB->drawData.push_back(pCB->currentDrawData); }

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdBindVertexBuffers(VkCommandBuffer commandBuffer, uint32_t firstBinding,
                                                                  uint32_t bindingCount, const VkBuffer *pBuffers,
                                                                  const VkDeviceSize *pOffsets) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    for (uint32_t i = 0; i < bindingCount; ++i) {
        VkDeviceMemory mem;
        skipCall |= get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)(pBuffers[i]),
                                                 VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
        auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
        if (cb_data != dev_data->commandBufferMap.end()) {
            std::function<VkBool32()> function =
                [=]() { return validate_memory_is_valid(dev_data, mem, "vkCmdBindVertexBuffers()"); };
            cb_data->second->validate_functions.push_back(function);
        }
    }
    // TODO : Somewhere need to verify that VBs have correct usage state flagged
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        addCmd(dev_data, pCB, CMD_BINDVERTEXBUFFER, "vkCmdBindVertexBuffer()");
        updateResourceTracking(pCB, firstBinding, bindingCount, pBuffers);
    } else {
        skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkCmdBindVertexBuffer()");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdBindVertexBuffers(commandBuffer, firstBinding, bindingCount, pBuffers, pOffsets);
}

/* expects globalLock to be held by caller */
bool markStoreImagesAndBuffersAsWritten(layer_data *dev_data, GLOBAL_CB_NODE *pCB) {
    bool skip_call = false;

    for (auto imageView : pCB->updateImages) {
        auto iv_data = dev_data->imageViewMap.find(imageView);
        if (iv_data == dev_data->imageViewMap.end())
            continue;
        VkImage image = iv_data->second.image;
        VkDeviceMemory mem;
        skip_call |=
            get_mem_binding_from_object(dev_data, pCB->commandBuffer, (uint64_t)image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true, image);
            return VK_FALSE;
        };
        pCB->validate_functions.push_back(function);
    }
    for (auto buffer : pCB->updateBuffers) {
        VkDeviceMemory mem;
        skip_call |= get_mem_binding_from_object(dev_data, pCB->commandBuffer, (uint64_t)buffer,
                                                 VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true);
            return VK_FALSE;
        };
        pCB->validate_functions.push_back(function);
    }
    return skip_call;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdDraw(VkCommandBuffer commandBuffer, uint32_t vertexCount, uint32_t instanceCount,
                                                     uint32_t firstVertex, uint32_t firstInstance) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_DRAW, "vkCmdDraw()");
        pCB->drawCount[DRAW]++;
        skipCall |= validate_and_update_draw_state(dev_data, pCB, VK_FALSE, VK_PIPELINE_BIND_POINT_GRAPHICS);
        skipCall |= markStoreImagesAndBuffersAsWritten(dev_data, pCB);
        // TODO : Need to pass commandBuffer as srcObj here
        skipCall |=
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                    __LINE__, DRAWSTATE_NONE, "DS", "vkCmdDraw() call #%" PRIu64 ", reporting DS state:", g_drawCount[DRAW]++);
        skipCall |= synchAndPrintDSConfig(dev_data, commandBuffer);
        if (VK_FALSE == skipCall) {
            updateResourceTrackingOnDraw(pCB);
        }
        skipCall |= outsideRenderPass(dev_data, pCB, "vkCmdDraw");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdDraw(commandBuffer, vertexCount, instanceCount, firstVertex, firstInstance);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdDrawIndexed(VkCommandBuffer commandBuffer, uint32_t indexCount,
                                                            uint32_t instanceCount, uint32_t firstIndex, int32_t vertexOffset,
                                                            uint32_t firstInstance) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    VkBool32 skipCall = VK_FALSE;
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_DRAWINDEXED, "vkCmdDrawIndexed()");
        pCB->drawCount[DRAW_INDEXED]++;
        skipCall |= validate_and_update_draw_state(dev_data, pCB, VK_TRUE, VK_PIPELINE_BIND_POINT_GRAPHICS);
        skipCall |= markStoreImagesAndBuffersAsWritten(dev_data, pCB);
        // TODO : Need to pass commandBuffer as srcObj here
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT,
                            VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0, __LINE__, DRAWSTATE_NONE, "DS",
                            "vkCmdDrawIndexed() call #%" PRIu64 ", reporting DS state:", g_drawCount[DRAW_INDEXED]++);
        skipCall |= synchAndPrintDSConfig(dev_data, commandBuffer);
        if (VK_FALSE == skipCall) {
            updateResourceTrackingOnDraw(pCB);
        }
        skipCall |= outsideRenderPass(dev_data, pCB, "vkCmdDrawIndexed");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdDrawIndexed(commandBuffer, indexCount, instanceCount, firstIndex, vertexOffset,
                                                        firstInstance);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdDrawIndirect(VkCommandBuffer commandBuffer, VkBuffer buffer, VkDeviceSize offset, uint32_t count, uint32_t stride) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    VkBool32 skipCall = VK_FALSE;
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    // MTMTODO : merge with code below
    skipCall =
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdDrawIndirect");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_DRAWINDIRECT, "vkCmdDrawIndirect()");
        pCB->drawCount[DRAW_INDIRECT]++;
        skipCall |= validate_and_update_draw_state(dev_data, pCB, VK_FALSE, VK_PIPELINE_BIND_POINT_GRAPHICS);
        skipCall |= markStoreImagesAndBuffersAsWritten(dev_data, pCB);
        // TODO : Need to pass commandBuffer as srcObj here
        skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT,
                            VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0, __LINE__, DRAWSTATE_NONE, "DS",
                            "vkCmdDrawIndirect() call #%" PRIu64 ", reporting DS state:", g_drawCount[DRAW_INDIRECT]++);
        skipCall |= synchAndPrintDSConfig(dev_data, commandBuffer);
        if (VK_FALSE == skipCall) {
            updateResourceTrackingOnDraw(pCB);
        }
        skipCall |= outsideRenderPass(dev_data, pCB, "vkCmdDrawIndirect");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdDrawIndirect(commandBuffer, buffer, offset, count, stride);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdDrawIndexedIndirect(VkCommandBuffer commandBuffer, VkBuffer buffer, VkDeviceSize offset, uint32_t count, uint32_t stride) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    // MTMTODO : merge with code below
    skipCall =
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdDrawIndexedIndirect");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_DRAWINDEXEDINDIRECT, "vkCmdDrawIndexedIndirect()");
        pCB->drawCount[DRAW_INDEXED_INDIRECT]++;
        skipCall |= validate_and_update_draw_state(dev_data, pCB, VK_TRUE, VK_PIPELINE_BIND_POINT_GRAPHICS);
        skipCall |= markStoreImagesAndBuffersAsWritten(dev_data, pCB);
        // TODO : Need to pass commandBuffer as srcObj here
        skipCall |=
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                    __LINE__, DRAWSTATE_NONE, "DS", "vkCmdDrawIndexedIndirect() call #%" PRIu64 ", reporting DS state:",
                    g_drawCount[DRAW_INDEXED_INDIRECT]++);
        skipCall |= synchAndPrintDSConfig(dev_data, commandBuffer);
        if (VK_FALSE == skipCall) {
            updateResourceTrackingOnDraw(pCB);
        }
        skipCall |= outsideRenderPass(dev_data, pCB, "vkCmdDrawIndexedIndirect");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdDrawIndexedIndirect(commandBuffer, buffer, offset, count, stride);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdDispatch(VkCommandBuffer commandBuffer, uint32_t x, uint32_t y, uint32_t z) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        // TODO : Re-enable validate_and_update_draw_state() when it supports compute shaders
        // skipCall |= validate_and_update_draw_state(dev_data, pCB, VK_FALSE, VK_PIPELINE_BIND_POINT_COMPUTE);
        // TODO : Call below is temporary until call above can be re-enabled
        update_shader_storage_images_and_buffers(dev_data, pCB);
        skipCall |= markStoreImagesAndBuffersAsWritten(dev_data, pCB);
        skipCall |= addCmd(dev_data, pCB, CMD_DISPATCH, "vkCmdDispatch()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdDispatch");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdDispatch(commandBuffer, x, y, z);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdDispatchIndirect(VkCommandBuffer commandBuffer, VkBuffer buffer, VkDeviceSize offset) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    skipCall =
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdDispatchIndirect");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        // TODO : Re-enable validate_and_update_draw_state() when it supports compute shaders
        // skipCall |= validate_and_update_draw_state(dev_data, pCB, VK_FALSE, VK_PIPELINE_BIND_POINT_COMPUTE);
        // TODO : Call below is temporary until call above can be re-enabled
        update_shader_storage_images_and_buffers(dev_data, pCB);
        skipCall |= markStoreImagesAndBuffersAsWritten(dev_data, pCB);
        skipCall |= addCmd(dev_data, pCB, CMD_DISPATCHINDIRECT, "vkCmdDispatchIndirect()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdDispatchIndirect");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdDispatchIndirect(commandBuffer, buffer, offset);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdCopyBuffer(VkCommandBuffer commandBuffer, VkBuffer srcBuffer, VkBuffer dstBuffer,
                                                           uint32_t regionCount, const VkBufferCopy *pRegions) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    skipCall =
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)srcBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() { return validate_memory_is_valid(dev_data, mem, "vkCmdCopyBuffer()"); };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyBuffer");
    skipCall |=
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyBuffer");
    // Validate that SRC & DST buffers have correct usage flags set
    skipCall |= validate_buffer_usage_flags(dev_data, commandBuffer, srcBuffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, true,
                                            "vkCmdCopyBuffer()", "VK_BUFFER_USAGE_TRANSFER_SRC_BIT");
    skipCall |= validate_buffer_usage_flags(dev_data, commandBuffer, dstBuffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT, true,
                                            "vkCmdCopyBuffer()", "VK_BUFFER_USAGE_TRANSFER_DST_BIT");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_COPYBUFFER, "vkCmdCopyBuffer()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdCopyBuffer");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdCopyBuffer(commandBuffer, srcBuffer, dstBuffer, regionCount, pRegions);
}

VkBool32 VerifySourceImageLayout(VkCommandBuffer cmdBuffer, VkImage srcImage, VkImageSubresourceLayers subLayers,
                                 VkImageLayout srcImageLayout) {
    VkBool32 skip_call = VK_FALSE;

    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, cmdBuffer);
    for (uint32_t i = 0; i < subLayers.layerCount; ++i) {
        uint32_t layer = i + subLayers.baseArrayLayer;
        VkImageSubresource sub = {subLayers.aspectMask, subLayers.mipLevel, layer};
        IMAGE_CMD_BUF_LAYOUT_NODE node;
        if (!FindLayout(pCB, srcImage, sub, node)) {
            SetLayout(pCB, srcImage, sub, IMAGE_CMD_BUF_LAYOUT_NODE(srcImageLayout, srcImageLayout));
            continue;
        }
        if (node.layout != srcImageLayout) {
            // TODO: Improve log message in the next pass
            skip_call |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                        __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS", "Cannot copy from an image whose source layout is %s "
                                                                        "and doesn't match the current layout %s.",
                        string_VkImageLayout(srcImageLayout), string_VkImageLayout(node.layout));
        }
    }
    if (srcImageLayout != VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL) {
        if (srcImageLayout == VK_IMAGE_LAYOUT_GENERAL) {
            // LAYOUT_GENERAL is allowed, but may not be performance optimal, flag as perf warning.
            skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0,
                                 0, __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                 "Layout for input image should be TRANSFER_SRC_OPTIMAL instead of GENERAL.");
        } else {
            skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS", "Layout for input image is %s but can only be "
                                                                       "TRANSFER_SRC_OPTIMAL or GENERAL.",
                                 string_VkImageLayout(srcImageLayout));
        }
    }
    return skip_call;
}

VkBool32 VerifyDestImageLayout(VkCommandBuffer cmdBuffer, VkImage destImage, VkImageSubresourceLayers subLayers,
                               VkImageLayout destImageLayout) {
    VkBool32 skip_call = VK_FALSE;

    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, cmdBuffer);
    for (uint32_t i = 0; i < subLayers.layerCount; ++i) {
        uint32_t layer = i + subLayers.baseArrayLayer;
        VkImageSubresource sub = {subLayers.aspectMask, subLayers.mipLevel, layer};
        IMAGE_CMD_BUF_LAYOUT_NODE node;
        if (!FindLayout(pCB, destImage, sub, node)) {
            SetLayout(pCB, destImage, sub, IMAGE_CMD_BUF_LAYOUT_NODE(destImageLayout, destImageLayout));
            continue;
        }
        if (node.layout != destImageLayout) {
            skip_call |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                        __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS", "Cannot copy from an image whose dest layout is %s and "
                                                                        "doesn't match the current layout %s.",
                        string_VkImageLayout(destImageLayout), string_VkImageLayout(node.layout));
        }
    }
    if (destImageLayout != VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
        if (destImageLayout == VK_IMAGE_LAYOUT_GENERAL) {
            // LAYOUT_GENERAL is allowed, but may not be performance optimal, flag as perf warning.
            skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0,
                                 0, __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                 "Layout for output image should be TRANSFER_DST_OPTIMAL instead of GENERAL.");
        } else {
            skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS", "Layout for output image is %s but can only be "
                                                                       "TRANSFER_DST_OPTIMAL or GENERAL.",
                                 string_VkImageLayout(destImageLayout));
        }
    }
    return skip_call;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdCopyImage(VkCommandBuffer commandBuffer, VkImage srcImage, VkImageLayout srcImageLayout, VkImage dstImage,
               VkImageLayout dstImageLayout, uint32_t regionCount, const VkImageCopy *pRegions) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    // Validate that src & dst images have correct usage flags set
    skipCall = get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)srcImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() { return validate_memory_is_valid(dev_data, mem, "vkCmdCopyImage()", srcImage); };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyImage");
    skipCall |=
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true, dstImage);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyImage");
    skipCall |= validate_image_usage_flags(dev_data, commandBuffer, srcImage, VK_IMAGE_USAGE_TRANSFER_SRC_BIT, true,
                                           "vkCmdCopyImage()", "VK_IMAGE_USAGE_TRANSFER_SRC_BIT");
    skipCall |= validate_image_usage_flags(dev_data, commandBuffer, dstImage, VK_IMAGE_USAGE_TRANSFER_DST_BIT, true,
                                           "vkCmdCopyImage()", "VK_IMAGE_USAGE_TRANSFER_DST_BIT");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_COPYIMAGE, "vkCmdCopyImage()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdCopyImage");
        for (uint32_t i = 0; i < regionCount; ++i) {
            skipCall |= VerifySourceImageLayout(commandBuffer, srcImage, pRegions[i].srcSubresource, srcImageLayout);
            skipCall |= VerifyDestImageLayout(commandBuffer, dstImage, pRegions[i].dstSubresource, dstImageLayout);
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdCopyImage(commandBuffer, srcImage, srcImageLayout, dstImage, dstImageLayout,
                                                      regionCount, pRegions);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdBlitImage(VkCommandBuffer commandBuffer, VkImage srcImage, VkImageLayout srcImageLayout, VkImage dstImage,
               VkImageLayout dstImageLayout, uint32_t regionCount, const VkImageBlit *pRegions, VkFilter filter) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    // Validate that src & dst images have correct usage flags set
    skipCall = get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)srcImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() { return validate_memory_is_valid(dev_data, mem, "vkCmdBlitImage()", srcImage); };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdBlitImage");
    skipCall |=
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true, dstImage);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdBlitImage");
    skipCall |= validate_image_usage_flags(dev_data, commandBuffer, srcImage, VK_IMAGE_USAGE_TRANSFER_SRC_BIT, true,
                                           "vkCmdBlitImage()", "VK_IMAGE_USAGE_TRANSFER_SRC_BIT");
    skipCall |= validate_image_usage_flags(dev_data, commandBuffer, dstImage, VK_IMAGE_USAGE_TRANSFER_DST_BIT, true,
                                           "vkCmdBlitImage()", "VK_IMAGE_USAGE_TRANSFER_DST_BIT");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_BLITIMAGE, "vkCmdBlitImage()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdBlitImage");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdBlitImage(commandBuffer, srcImage, srcImageLayout, dstImage, dstImageLayout,
                                                      regionCount, pRegions, filter);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdCopyBufferToImage(VkCommandBuffer commandBuffer, VkBuffer srcBuffer,
                                                                  VkImage dstImage, VkImageLayout dstImageLayout,
                                                                  uint32_t regionCount, const VkBufferImageCopy *pRegions) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    skipCall = get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true, dstImage);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyBufferToImage");
    skipCall |=
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)srcBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() { return validate_memory_is_valid(dev_data, mem, "vkCmdCopyBufferToImage()"); };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyBufferToImage");
    // Validate that src buff & dst image have correct usage flags set
    skipCall |= validate_buffer_usage_flags(dev_data, commandBuffer, srcBuffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, true,
                                            "vkCmdCopyBufferToImage()", "VK_BUFFER_USAGE_TRANSFER_SRC_BIT");
    skipCall |= validate_image_usage_flags(dev_data, commandBuffer, dstImage, VK_IMAGE_USAGE_TRANSFER_DST_BIT, true,
                                           "vkCmdCopyBufferToImage()", "VK_IMAGE_USAGE_TRANSFER_DST_BIT");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_COPYBUFFERTOIMAGE, "vkCmdCopyBufferToImage()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdCopyBufferToImage");
        for (uint32_t i = 0; i < regionCount; ++i) {
            skipCall |= VerifyDestImageLayout(commandBuffer, dstImage, pRegions[i].imageSubresource, dstImageLayout);
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdCopyBufferToImage(commandBuffer, srcBuffer, dstImage, dstImageLayout, regionCount,
                                                              pRegions);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdCopyImageToBuffer(VkCommandBuffer commandBuffer, VkImage srcImage,
                                                                  VkImageLayout srcImageLayout, VkBuffer dstBuffer,
                                                                  uint32_t regionCount, const VkBufferImageCopy *pRegions) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    skipCall = get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)srcImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function =
            [=]() { return validate_memory_is_valid(dev_data, mem, "vkCmdCopyImageToBuffer()", srcImage); };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyImageToBuffer");
    skipCall |=
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyImageToBuffer");
    // Validate that dst buff & src image have correct usage flags set
    skipCall |= validate_image_usage_flags(dev_data, commandBuffer, srcImage, VK_IMAGE_USAGE_TRANSFER_SRC_BIT, true,
                                           "vkCmdCopyImageToBuffer()", "VK_IMAGE_USAGE_TRANSFER_SRC_BIT");
    skipCall |= validate_buffer_usage_flags(dev_data, commandBuffer, dstBuffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT, true,
                                            "vkCmdCopyImageToBuffer()", "VK_BUFFER_USAGE_TRANSFER_DST_BIT");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_COPYIMAGETOBUFFER, "vkCmdCopyImageToBuffer()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdCopyImageToBuffer");
        for (uint32_t i = 0; i < regionCount; ++i) {
            skipCall |= VerifySourceImageLayout(commandBuffer, srcImage, pRegions[i].imageSubresource, srcImageLayout);
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdCopyImageToBuffer(commandBuffer, srcImage, srcImageLayout, dstBuffer, regionCount,
                                                              pRegions);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdUpdateBuffer(VkCommandBuffer commandBuffer, VkBuffer dstBuffer,
                                                             VkDeviceSize dstOffset, VkDeviceSize dataSize, const uint32_t *pData) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    skipCall =
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdUpdateBuffer");
    // Validate that dst buff has correct usage flags set
    skipCall |= validate_buffer_usage_flags(dev_data, commandBuffer, dstBuffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT, true,
                                            "vkCmdUpdateBuffer()", "VK_BUFFER_USAGE_TRANSFER_DST_BIT");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_UPDATEBUFFER, "vkCmdUpdateBuffer()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdCopyUpdateBuffer");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdUpdateBuffer(commandBuffer, dstBuffer, dstOffset, dataSize, pData);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdFillBuffer(VkCommandBuffer commandBuffer, VkBuffer dstBuffer, VkDeviceSize dstOffset, VkDeviceSize size, uint32_t data) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    skipCall =
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdFillBuffer");
    // Validate that dst buff has correct usage flags set
    skipCall |= validate_buffer_usage_flags(dev_data, commandBuffer, dstBuffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT, true,
                                            "vkCmdFillBuffer()", "VK_BUFFER_USAGE_TRANSFER_DST_BIT");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_FILLBUFFER, "vkCmdFillBuffer()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdCopyFillBuffer");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdFillBuffer(commandBuffer, dstBuffer, dstOffset, size, data);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdClearAttachments(VkCommandBuffer commandBuffer, uint32_t attachmentCount,
                                                                 const VkClearAttachment *pAttachments, uint32_t rectCount,
                                                                 const VkClearRect *pRects) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_CLEARATTACHMENTS, "vkCmdClearAttachments()");
        // Warn if this is issued prior to Draw Cmd and clearing the entire attachment
        if (!hasDrawCmd(pCB) && (pCB->activeRenderPassBeginInfo.renderArea.extent.width == pRects[0].rect.extent.width) &&
            (pCB->activeRenderPassBeginInfo.renderArea.extent.height == pRects[0].rect.extent.height)) {
            // TODO : commandBuffer should be srcObj
            // There are times where app needs to use ClearAttachments (generally when reusing a buffer inside of a render pass)
            // Can we make this warning more specific? I'd like to avoid triggering this test if we can tell it's a use that must
            // call CmdClearAttachments
            // Otherwise this seems more like a performance warning.
            skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0, 0, DRAWSTATE_CLEAR_CMD_BEFORE_DRAW, "DS",
                                "vkCmdClearAttachments() issued on CB object 0x%" PRIxLEAST64 " prior to any Draw Cmds."
                                " It is recommended you use RenderPass LOAD_OP_CLEAR on Attachments prior to any Draw.",
                                (uint64_t)(commandBuffer));
        }
        skipCall |= outsideRenderPass(dev_data, pCB, "vkCmdClearAttachments");
    }

    // Validate that attachment is in reference list of active subpass
    if (pCB->activeRenderPass) {
        const VkRenderPassCreateInfo *pRPCI = dev_data->renderPassMap[pCB->activeRenderPass]->pCreateInfo;
        const VkSubpassDescription *pSD = &pRPCI->pSubpasses[pCB->activeSubpass];

        for (uint32_t attachment_idx = 0; attachment_idx < attachmentCount; attachment_idx++) {
            const VkClearAttachment *attachment = &pAttachments[attachment_idx];
            if (attachment->aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) {
                VkBool32 found = VK_FALSE;
                for (uint32_t i = 0; i < pSD->colorAttachmentCount; i++) {
                    if (attachment->colorAttachment == pSD->pColorAttachments[i].attachment) {
                        found = VK_TRUE;
                        break;
                    }
                }
                if (VK_FALSE == found) {
                    skipCall |= log_msg(
                        dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        (uint64_t)commandBuffer, __LINE__, DRAWSTATE_MISSING_ATTACHMENT_REFERENCE, "DS",
                        "vkCmdClearAttachments() attachment index %d not found in attachment reference array of active subpass %d",
                        attachment->colorAttachment, pCB->activeSubpass);
                }
            } else if (attachment->aspectMask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
                if (!pSD->pDepthStencilAttachment || // Says no DS will be used in active subpass
                    (pSD->pDepthStencilAttachment->attachment ==
                     VK_ATTACHMENT_UNUSED)) { // Says no DS will be used in active subpass

                    skipCall |= log_msg(
                        dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        (uint64_t)commandBuffer, __LINE__, DRAWSTATE_MISSING_ATTACHMENT_REFERENCE, "DS",
                        "vkCmdClearAttachments() attachment index %d does not match depthStencilAttachment.attachment (%d) found "
                        "in active subpass %d",
                        attachment->colorAttachment,
                        (pSD->pDepthStencilAttachment) ? pSD->pDepthStencilAttachment->attachment : VK_ATTACHMENT_UNUSED,
                        pCB->activeSubpass);
                }
            }
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdClearAttachments(commandBuffer, attachmentCount, pAttachments, rectCount, pRects);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdClearColorImage(VkCommandBuffer commandBuffer, VkImage image,
                                                                VkImageLayout imageLayout, const VkClearColorValue *pColor,
                                                                uint32_t rangeCount, const VkImageSubresourceRange *pRanges) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    // TODO : Verify memory is in VK_IMAGE_STATE_CLEAR state
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    skipCall = get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true, image);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdClearColorImage");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_CLEARCOLORIMAGE, "vkCmdClearColorImage()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdClearColorImage");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdClearColorImage(commandBuffer, image, imageLayout, pColor, rangeCount, pRanges);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdClearDepthStencilImage(VkCommandBuffer commandBuffer, VkImage image, VkImageLayout imageLayout,
                            const VkClearDepthStencilValue *pDepthStencil, uint32_t rangeCount,
                            const VkImageSubresourceRange *pRanges) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    // TODO : Verify memory is in VK_IMAGE_STATE_CLEAR state
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    skipCall = get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true, image);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdClearDepthStencilImage");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_CLEARDEPTHSTENCILIMAGE, "vkCmdClearDepthStencilImage()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdClearDepthStencilImage");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdClearDepthStencilImage(commandBuffer, image, imageLayout, pDepthStencil, rangeCount,
                                                                   pRanges);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdResolveImage(VkCommandBuffer commandBuffer, VkImage srcImage, VkImageLayout srcImageLayout, VkImage dstImage,
                  VkImageLayout dstImageLayout, uint32_t regionCount, const VkImageResolve *pRegions) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    VkDeviceMemory mem;
    skipCall = get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)srcImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function =
            [=]() { return validate_memory_is_valid(dev_data, mem, "vkCmdResolveImage()", srcImage); };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdResolveImage");
    skipCall |=
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstImage, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true, dstImage);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdResolveImage");
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_RESOLVEIMAGE, "vkCmdResolveImage()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdResolveImage");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdResolveImage(commandBuffer, srcImage, srcImageLayout, dstImage, dstImageLayout,
                                                         regionCount, pRegions);
}

bool setEventStageMask(VkQueue queue, VkCommandBuffer commandBuffer, VkEvent event, VkPipelineStageFlags stageMask) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        pCB->eventToStageMap[event] = stageMask;
    }
    auto queue_data = dev_data->queueMap.find(queue);
    if (queue_data != dev_data->queueMap.end()) {
        queue_data->second.eventToStageMap[event] = stageMask;
    }
    return false;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdSetEvent(VkCommandBuffer commandBuffer, VkEvent event, VkPipelineStageFlags stageMask) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_SETEVENT, "vkCmdSetEvent()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdSetEvent");
        pCB->events.push_back(event);
        std::function<bool(VkQueue)> eventUpdate =
            std::bind(setEventStageMask, std::placeholders::_1, commandBuffer, event, stageMask);
        pCB->eventUpdates.push_back(eventUpdate);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdSetEvent(commandBuffer, event, stageMask);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdResetEvent(VkCommandBuffer commandBuffer, VkEvent event, VkPipelineStageFlags stageMask) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_RESETEVENT, "vkCmdResetEvent()");
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdResetEvent");
        pCB->events.push_back(event);
        std::function<bool(VkQueue)> eventUpdate =
            std::bind(setEventStageMask, std::placeholders::_1, commandBuffer, event, VkPipelineStageFlags(0));
        pCB->eventUpdates.push_back(eventUpdate);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdResetEvent(commandBuffer, event, stageMask);
}

VkBool32 TransitionImageLayouts(VkCommandBuffer cmdBuffer, uint32_t memBarrierCount, const VkImageMemoryBarrier *pImgMemBarriers) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, cmdBuffer);
    VkBool32 skip = VK_FALSE;
    uint32_t levelCount = 0;
    uint32_t layerCount = 0;

    for (uint32_t i = 0; i < memBarrierCount; ++i) {
        auto mem_barrier = &pImgMemBarriers[i];
        if (!mem_barrier)
            continue;
        // TODO: Do not iterate over every possibility - consolidate where
        // possible
        ResolveRemainingLevelsLayers(dev_data, &levelCount, &layerCount, mem_barrier->subresourceRange, mem_barrier->image);

        for (uint32_t j = 0; j < levelCount; j++) {
            uint32_t level = mem_barrier->subresourceRange.baseMipLevel + j;
            for (uint32_t k = 0; k < layerCount; k++) {
                uint32_t layer = mem_barrier->subresourceRange.baseArrayLayer + k;
                VkImageSubresource sub = {mem_barrier->subresourceRange.aspectMask, level, layer};
                IMAGE_CMD_BUF_LAYOUT_NODE node;
                if (!FindLayout(pCB, mem_barrier->image, sub, node)) {
                    SetLayout(pCB, mem_barrier->image, sub,
                              IMAGE_CMD_BUF_LAYOUT_NODE(mem_barrier->oldLayout, mem_barrier->newLayout));
                    continue;
                }
                if (mem_barrier->oldLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
                    // TODO: Set memory invalid which is in mem_tracker currently
                } else if (node.layout != mem_barrier->oldLayout) {
                    skip |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                    __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS", "You cannot transition the layout from %s "
                                                                                    "when current layout is %s.",
                                    string_VkImageLayout(mem_barrier->oldLayout), string_VkImageLayout(node.layout));
                }
                SetLayout(pCB, mem_barrier->image, sub, mem_barrier->newLayout);
            }
        }
    }
    return skip;
}

// Print readable FlagBits in FlagMask
std::string string_VkAccessFlags(VkAccessFlags accessMask) {
    std::string result;
    std::string separator;

    if (accessMask == 0) {
        result = "[None]";
    } else {
        result = "[";
        for (auto i = 0; i < 32; i++) {
            if (accessMask & (1 << i)) {
                result = result + separator + string_VkAccessFlagBits((VkAccessFlagBits)(1 << i));
                separator = " | ";
            }
        }
        result = result + "]";
    }
    return result;
}

// AccessFlags MUST have 'required_bit' set, and may have one or more of 'optional_bits' set.
// If required_bit is zero, accessMask must have at least one of 'optional_bits' set
// TODO: Add tracking to ensure that at least one barrier has been set for these layout transitions
VkBool32 ValidateMaskBits(const layer_data *my_data, VkCommandBuffer cmdBuffer, const VkAccessFlags &accessMask,
                          const VkImageLayout &layout, VkAccessFlags required_bit, VkAccessFlags optional_bits, const char *type) {
    VkBool32 skip_call = VK_FALSE;

    if ((accessMask & required_bit) || (!required_bit && (accessMask & optional_bits))) {
        if (accessMask & !(required_bit | optional_bits)) {
            // TODO: Verify against Valid Use
            skip_call |=
                log_msg(my_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_BARRIER, "DS", "Additional bits in %s accessMask %d %s are specified when layout is %s.",
                        type, accessMask, string_VkAccessFlags(accessMask).c_str(), string_VkImageLayout(layout));
        }
    } else {
        if (!required_bit) {
            skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_BARRIER, "DS", "%s AccessMask %d %s must contain at least one of access bits %d "
                                                                  "%s when layout is %s, unless the app has previously added a "
                                                                  "barrier for this transition.",
                                 type, accessMask, string_VkAccessFlags(accessMask).c_str(), optional_bits,
                                 string_VkAccessFlags(optional_bits).c_str(), string_VkImageLayout(layout));
        } else {
            std::string opt_bits;
            if (optional_bits != 0) {
                std::stringstream ss;
                ss << optional_bits;
                opt_bits = "and may have optional bits " + ss.str() + ' ' + string_VkAccessFlags(optional_bits);
            }
            skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_BARRIER, "DS", "%s AccessMask %d %s must have required access bit %d %s %s when "
                                                                  "layout is %s, unless the app has previously added a barrier for "
                                                                  "this transition.",
                                 type, accessMask, string_VkAccessFlags(accessMask).c_str(), required_bit,
                                 string_VkAccessFlags(required_bit).c_str(), opt_bits.c_str(), string_VkImageLayout(layout));
        }
    }
    return skip_call;
}

VkBool32 ValidateMaskBitsFromLayouts(const layer_data *my_data, VkCommandBuffer cmdBuffer, const VkAccessFlags &accessMask,
                                     const VkImageLayout &layout, const char *type) {
    VkBool32 skip_call = VK_FALSE;
    switch (layout) {
    case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL: {
        skip_call |= ValidateMaskBits(my_data, cmdBuffer, accessMask, layout, VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
                                      VK_ACCESS_COLOR_ATTACHMENT_READ_BIT, type);
        break;
    }
    case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL: {
        skip_call |= ValidateMaskBits(my_data, cmdBuffer, accessMask, layout, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
                                      VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT, type);
        break;
    }
    case VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL: {
        skip_call |= ValidateMaskBits(my_data, cmdBuffer, accessMask, layout, VK_ACCESS_TRANSFER_WRITE_BIT, 0, type);
        break;
    }
    case VK_IMAGE_LAYOUT_PREINITIALIZED: {
        skip_call |= ValidateMaskBits(my_data, cmdBuffer, accessMask, layout, VK_ACCESS_HOST_WRITE_BIT, 0, type);
        break;
    }
    case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL: {
        skip_call |= ValidateMaskBits(my_data, cmdBuffer, accessMask, layout, 0,
                                      VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_SHADER_READ_BIT, type);
        break;
    }
    case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL: {
        skip_call |= ValidateMaskBits(my_data, cmdBuffer, accessMask, layout, 0,
                                      VK_ACCESS_INPUT_ATTACHMENT_READ_BIT | VK_ACCESS_SHADER_READ_BIT, type);
        break;
    }
    case VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL: {
        skip_call |= ValidateMaskBits(my_data, cmdBuffer, accessMask, layout, VK_ACCESS_TRANSFER_READ_BIT, 0, type);
        break;
    }
    case VK_IMAGE_LAYOUT_UNDEFINED: {
        if (accessMask != 0) {
            // TODO: Verify against Valid Use section spec
            skip_call |=
                log_msg(my_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_BARRIER, "DS", "Additional bits in %s accessMask %d %s are specified when layout is %s.",
                        type, accessMask, string_VkAccessFlags(accessMask).c_str(), string_VkImageLayout(layout));
        }
        break;
    }
    case VK_IMAGE_LAYOUT_GENERAL:
    default: { break; }
    }
    return skip_call;
}

VkBool32 ValidateBarriers(const char *funcName, VkCommandBuffer cmdBuffer, uint32_t memBarrierCount,
                          const VkMemoryBarrier *pMemBarriers, uint32_t bufferBarrierCount,
                          const VkBufferMemoryBarrier *pBufferMemBarriers, uint32_t imageMemBarrierCount,
                          const VkImageMemoryBarrier *pImageMemBarriers) {
    VkBool32 skip_call = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, cmdBuffer);
    if (pCB->activeRenderPass && memBarrierCount) {
        if (!dev_data->renderPassMap[pCB->activeRenderPass]->hasSelfDependency[pCB->activeSubpass]) {
            skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_BARRIER, "DS", "%s: Barriers cannot be set during subpass %d "
                                                                  "with no self dependency specified.",
                                 funcName, pCB->activeSubpass);
        }
    }
    for (uint32_t i = 0; i < imageMemBarrierCount; ++i) {
        auto mem_barrier = &pImageMemBarriers[i];
        auto image_data = dev_data->imageMap.find(mem_barrier->image);
        if (image_data != dev_data->imageMap.end()) {
            uint32_t src_q_f_index = mem_barrier->srcQueueFamilyIndex;
            uint32_t dst_q_f_index = mem_barrier->dstQueueFamilyIndex;
            if (image_data->second.createInfo.sharingMode == VK_SHARING_MODE_CONCURRENT) {
                // srcQueueFamilyIndex and dstQueueFamilyIndex must both
                // be VK_QUEUE_FAMILY_IGNORED
                if ((src_q_f_index != VK_QUEUE_FAMILY_IGNORED) || (dst_q_f_index != VK_QUEUE_FAMILY_IGNORED)) {
                    skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                         __LINE__, DRAWSTATE_INVALID_QUEUE_INDEX, "DS",
                                         "%s: Image Barrier for image 0x%" PRIx64 " was created with sharingMode of "
                                         "VK_SHARING_MODE_CONCURRENT.  Src and dst "
                                         " queueFamilyIndices must be VK_QUEUE_FAMILY_IGNORED.",
                                         funcName, reinterpret_cast<const uint64_t &>(mem_barrier->image));
                }
            } else {
                // Sharing mode is VK_SHARING_MODE_EXCLUSIVE. srcQueueFamilyIndex and
                // dstQueueFamilyIndex must either both be VK_QUEUE_FAMILY_IGNORED,
                // or both be a valid queue family
                if (((src_q_f_index == VK_QUEUE_FAMILY_IGNORED) || (dst_q_f_index == VK_QUEUE_FAMILY_IGNORED)) &&
                    (src_q_f_index != dst_q_f_index)) {
                    skip_call |=
                        log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_INVALID_QUEUE_INDEX, "DS", "%s: Image 0x%" PRIx64 " was created with sharingMode "
                                                                     "of VK_SHARING_MODE_EXCLUSIVE. If one of src- or "
                                                                     "dstQueueFamilyIndex is VK_QUEUE_FAMILY_IGNORED, both "
                                                                     "must be.",
                                funcName, reinterpret_cast<const uint64_t &>(mem_barrier->image));
                } else if (((src_q_f_index != VK_QUEUE_FAMILY_IGNORED) && (dst_q_f_index != VK_QUEUE_FAMILY_IGNORED)) &&
                           ((src_q_f_index >= dev_data->physDevProperties.queue_family_properties.size()) ||
                            (dst_q_f_index >= dev_data->physDevProperties.queue_family_properties.size()))) {
                    skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                         __LINE__, DRAWSTATE_INVALID_QUEUE_INDEX, "DS",
                                         "%s: Image 0x%" PRIx64 " was created with sharingMode "
                                         "of VK_SHARING_MODE_EXCLUSIVE, but srcQueueFamilyIndex %d"
                                         " or dstQueueFamilyIndex %d is greater than " PRINTF_SIZE_T_SPECIFIER
                                         "queueFamilies crated for this device.",
                                         funcName, reinterpret_cast<const uint64_t &>(mem_barrier->image), src_q_f_index,
                                         dst_q_f_index, dev_data->physDevProperties.queue_family_properties.size());
                }
            }
        }

        if (mem_barrier) {
            skip_call |=
                ValidateMaskBitsFromLayouts(dev_data, cmdBuffer, mem_barrier->srcAccessMask, mem_barrier->oldLayout, "Source");
            skip_call |=
                ValidateMaskBitsFromLayouts(dev_data, cmdBuffer, mem_barrier->dstAccessMask, mem_barrier->newLayout, "Dest");
            if (mem_barrier->newLayout == VK_IMAGE_LAYOUT_UNDEFINED || mem_barrier->newLayout == VK_IMAGE_LAYOUT_PREINITIALIZED) {
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_BARRIER, "DS", "%s: Image Layout cannot be transitioned to UNDEFINED or "
                                                         "PREINITIALIZED.",
                        funcName);
            }
            auto image_data = dev_data->imageMap.find(mem_barrier->image);
            VkFormat format;
            uint32_t arrayLayers, mipLevels;
            bool imageFound = false;
            if (image_data != dev_data->imageMap.end()) {
                format = image_data->second.createInfo.format;
                arrayLayers = image_data->second.createInfo.arrayLayers;
                mipLevels = image_data->second.createInfo.mipLevels;
                imageFound = true;
            } else if (dev_data->device_extensions.wsi_enabled) {
                auto imageswap_data = dev_data->device_extensions.imageToSwapchainMap.find(mem_barrier->image);
                if (imageswap_data != dev_data->device_extensions.imageToSwapchainMap.end()) {
                    auto swapchain_data = dev_data->device_extensions.swapchainMap.find(imageswap_data->second);
                    if (swapchain_data != dev_data->device_extensions.swapchainMap.end()) {
                        format = swapchain_data->second->createInfo.imageFormat;
                        arrayLayers = swapchain_data->second->createInfo.imageArrayLayers;
                        mipLevels = 1;
                        imageFound = true;
                    }
                }
            }
            if (imageFound) {
                if (vk_format_is_depth_and_stencil(format) &&
                    (!(mem_barrier->subresourceRange.aspectMask & VK_IMAGE_ASPECT_DEPTH_BIT) ||
                     !(mem_barrier->subresourceRange.aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT))) {
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_BARRIER, "DS", "%s: Image is a depth and stencil format and thus must "
                                                             "have both VK_IMAGE_ASPECT_DEPTH_BIT and "
                                                             "VK_IMAGE_ASPECT_STENCIL_BIT set.",
                            funcName);
                }
                int layerCount = (mem_barrier->subresourceRange.layerCount == VK_REMAINING_ARRAY_LAYERS)
                                     ? 1
                                     : mem_barrier->subresourceRange.layerCount;
                if ((mem_barrier->subresourceRange.baseArrayLayer + layerCount) > arrayLayers) {
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_BARRIER, "DS", "%s: Subresource must have the sum of the "
                                                             "baseArrayLayer (%d) and layerCount (%d) be less "
                                                             "than or equal to the total number of layers (%d).",
                            funcName, mem_barrier->subresourceRange.baseArrayLayer, mem_barrier->subresourceRange.layerCount,
                            arrayLayers);
                }
                int levelCount = (mem_barrier->subresourceRange.levelCount == VK_REMAINING_MIP_LEVELS)
                                     ? 1
                                     : mem_barrier->subresourceRange.levelCount;
                if ((mem_barrier->subresourceRange.baseMipLevel + levelCount) > mipLevels) {
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_BARRIER, "DS", "%s: Subresource must have the sum of the baseMipLevel "
                                                             "(%d) and levelCount (%d) be less than or equal to "
                                                             "the total number of levels (%d).",
                            funcName, mem_barrier->subresourceRange.baseMipLevel, mem_barrier->subresourceRange.levelCount,
                            mipLevels);
                }
            }
        }
    }
    for (uint32_t i = 0; i < bufferBarrierCount; ++i) {
        auto mem_barrier = &pBufferMemBarriers[i];
        if (pCB->activeRenderPass) {
            skip_call |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_BARRIER, "DS", "%s: Buffer Barriers cannot be used during a render pass.", funcName);
        }
        if (!mem_barrier)
            continue;

        // Validate buffer barrier queue family indices
        if ((mem_barrier->srcQueueFamilyIndex != VK_QUEUE_FAMILY_IGNORED &&
             mem_barrier->srcQueueFamilyIndex >= dev_data->physDevProperties.queue_family_properties.size()) ||
            (mem_barrier->dstQueueFamilyIndex != VK_QUEUE_FAMILY_IGNORED &&
             mem_barrier->dstQueueFamilyIndex >= dev_data->physDevProperties.queue_family_properties.size())) {
            skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_QUEUE_INDEX, "DS",
                                 "%s: Buffer Barrier 0x%" PRIx64 " has QueueFamilyIndex greater "
                                 "than the number of QueueFamilies (" PRINTF_SIZE_T_SPECIFIER ") for this device.",
                                 funcName, reinterpret_cast<const uint64_t &>(mem_barrier->buffer),
                                 dev_data->physDevProperties.queue_family_properties.size());
        }

        auto buffer_data = dev_data->bufferMap.find(mem_barrier->buffer);
        uint64_t buffer_size =
            buffer_data->second.create_info ? reinterpret_cast<uint64_t &>(buffer_data->second.create_info->size) : 0;
        if (buffer_data != dev_data->bufferMap.end()) {
            if (mem_barrier->offset >= buffer_size) {
                skip_call |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_BARRIER, "DS", "%s: Buffer Barrier 0x%" PRIx64 " has offset %" PRIu64
                                                             " whose sum is not less than total size %" PRIu64 ".",
                            funcName, reinterpret_cast<const uint64_t &>(mem_barrier->buffer),
                            reinterpret_cast<const uint64_t &>(mem_barrier->offset), buffer_size);
            } else if (mem_barrier->size != VK_WHOLE_SIZE && (mem_barrier->offset + mem_barrier->size > buffer_size)) {
                skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                     __LINE__, DRAWSTATE_INVALID_BARRIER, "DS",
                                     "%s: Buffer Barrier 0x%" PRIx64 " has offset %" PRIu64 " and size %" PRIu64
                                     " whose sum is greater than total size %" PRIu64 ".",
                                     funcName, reinterpret_cast<const uint64_t &>(mem_barrier->buffer),
                                     reinterpret_cast<const uint64_t &>(mem_barrier->offset),
                                     reinterpret_cast<const uint64_t &>(mem_barrier->size), buffer_size);
            }
        }
    }
    return skip_call;
}

bool validateEventStageMask(VkQueue queue, GLOBAL_CB_NODE *pCB, uint32_t eventCount, size_t firstEventIndex, VkPipelineStageFlags sourceStageMask) {
    bool skip_call = false;
    VkPipelineStageFlags stageMask = 0;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(queue), layer_data_map);
    for (uint32_t i = 0; i < eventCount; ++i) {
        auto event = pCB->events[firstEventIndex + i];
        auto queue_data = dev_data->queueMap.find(queue);
        if (queue_data == dev_data->queueMap.end())
            return false;
        auto event_data = queue_data->second.eventToStageMap.find(event);
        if (event_data != queue_data->second.eventToStageMap.end()) {
            stageMask |= event_data->second;
        } else {
            auto global_event_data = dev_data->eventMap.find(event);
            if (global_event_data == dev_data->eventMap.end()) {
                skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_EVENT_EXT,
                                     reinterpret_cast<const uint64_t &>(event), __LINE__, DRAWSTATE_INVALID_EVENT, "DS",
                                     "Event 0x%" PRIx64 " cannot be waited on if it has never been set.",
                                     reinterpret_cast<const uint64_t &>(event));
            } else {
                stageMask |= global_event_data->second.stageMask;
            }
        }
    }
    if (sourceStageMask != stageMask) {
        skip_call |=
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                    DRAWSTATE_INVALID_EVENT, "DS",
                    "Submitting cmdbuffer with call to VkCmdWaitEvents using srcStageMask 0x%x which must be the bitwise OR of the "
                    "stageMask parameters used in calls to vkCmdSetEvent and VK_PIPELINE_STAGE_HOST_BIT if used with vkSetEvent.",
                    sourceStageMask);
    }
    return skip_call;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdWaitEvents(VkCommandBuffer commandBuffer, uint32_t eventCount, const VkEvent *pEvents, VkPipelineStageFlags sourceStageMask,
                VkPipelineStageFlags dstStageMask, uint32_t memoryBarrierCount, const VkMemoryBarrier *pMemoryBarriers,
                uint32_t bufferMemoryBarrierCount, const VkBufferMemoryBarrier *pBufferMemoryBarriers,
                uint32_t imageMemoryBarrierCount, const VkImageMemoryBarrier *pImageMemoryBarriers) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        auto firstEventIndex = pCB->events.size();
        for (uint32_t i = 0; i < eventCount; ++i) {
            pCB->waitedEvents.push_back(pEvents[i]);
            pCB->events.push_back(pEvents[i]);
        }
        std::function<bool(VkQueue)> eventUpdate =
            std::bind(validateEventStageMask, std::placeholders::_1, pCB, eventCount, firstEventIndex, sourceStageMask);
        pCB->eventUpdates.push_back(eventUpdate);
        if (pCB->state == CB_RECORDING) {
            skipCall |= addCmd(dev_data, pCB, CMD_WAITEVENTS, "vkCmdWaitEvents()");
        } else {
            skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkCmdWaitEvents()");
        }
        skipCall |= TransitionImageLayouts(commandBuffer, imageMemoryBarrierCount, pImageMemoryBarriers);
        skipCall |=
            ValidateBarriers("vkCmdWaitEvents", commandBuffer, memoryBarrierCount, pMemoryBarriers, bufferMemoryBarrierCount,
                             pBufferMemoryBarriers, imageMemoryBarrierCount, pImageMemoryBarriers);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdWaitEvents(commandBuffer, eventCount, pEvents, sourceStageMask, dstStageMask,
                                                       memoryBarrierCount, pMemoryBarriers, bufferMemoryBarrierCount,
                                                       pBufferMemoryBarriers, imageMemoryBarrierCount, pImageMemoryBarriers);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdPipelineBarrier(VkCommandBuffer commandBuffer, VkPipelineStageFlags srcStageMask, VkPipelineStageFlags dstStageMask,
                     VkDependencyFlags dependencyFlags, uint32_t memoryBarrierCount, const VkMemoryBarrier *pMemoryBarriers,
                     uint32_t bufferMemoryBarrierCount, const VkBufferMemoryBarrier *pBufferMemoryBarriers,
                     uint32_t imageMemoryBarrierCount, const VkImageMemoryBarrier *pImageMemoryBarriers) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        skipCall |= addCmd(dev_data, pCB, CMD_PIPELINEBARRIER, "vkCmdPipelineBarrier()");
        skipCall |= TransitionImageLayouts(commandBuffer, imageMemoryBarrierCount, pImageMemoryBarriers);
        skipCall |=
            ValidateBarriers("vkCmdPipelineBarrier", commandBuffer, memoryBarrierCount, pMemoryBarriers, bufferMemoryBarrierCount,
                             pBufferMemoryBarriers, imageMemoryBarrierCount, pImageMemoryBarriers);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdPipelineBarrier(commandBuffer, srcStageMask, dstStageMask, dependencyFlags,
                                                            memoryBarrierCount, pMemoryBarriers, bufferMemoryBarrierCount,
                                                            pBufferMemoryBarriers, imageMemoryBarrierCount, pImageMemoryBarriers);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdBeginQuery(VkCommandBuffer commandBuffer, VkQueryPool queryPool, uint32_t slot, VkFlags flags) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        QueryObject query = {queryPool, slot};
        pCB->activeQueries.insert(query);
        if (!pCB->startedQueries.count(query)) {
            pCB->startedQueries.insert(query);
        }
        skipCall |= addCmd(dev_data, pCB, CMD_BEGINQUERY, "vkCmdBeginQuery()");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdBeginQuery(commandBuffer, queryPool, slot, flags);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdEndQuery(VkCommandBuffer commandBuffer, VkQueryPool queryPool, uint32_t slot) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        QueryObject query = {queryPool, slot};
        if (!pCB->activeQueries.count(query)) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_QUERY, "DS", "Ending a query before it was started: queryPool %" PRIu64 ", index %d",
                        (uint64_t)(queryPool), slot);
        } else {
            pCB->activeQueries.erase(query);
        }
        pCB->queryToStateMap[query] = 1;
        if (pCB->state == CB_RECORDING) {
            skipCall |= addCmd(dev_data, pCB, CMD_ENDQUERY, "VkCmdEndQuery()");
        } else {
            skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkCmdEndQuery()");
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdEndQuery(commandBuffer, queryPool, slot);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdResetQueryPool(VkCommandBuffer commandBuffer, VkQueryPool queryPool, uint32_t firstQuery, uint32_t queryCount) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        for (uint32_t i = 0; i < queryCount; i++) {
            QueryObject query = {queryPool, firstQuery + i};
            pCB->waitedEventsBeforeQueryReset[query] = pCB->waitedEvents;
            pCB->queryToStateMap[query] = 0;
        }
        if (pCB->state == CB_RECORDING) {
            skipCall |= addCmd(dev_data, pCB, CMD_RESETQUERYPOOL, "VkCmdResetQueryPool()");
        } else {
            skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkCmdResetQueryPool()");
        }
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdQueryPool");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdResetQueryPool(commandBuffer, queryPool, firstQuery, queryCount);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdCopyQueryPoolResults(VkCommandBuffer commandBuffer, VkQueryPool queryPool, uint32_t firstQuery, uint32_t queryCount,
                          VkBuffer dstBuffer, VkDeviceSize dstOffset, VkDeviceSize stride, VkQueryResultFlags flags) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
#if MTMERGESOURCE
    VkDeviceMemory mem;
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    skipCall |=
        get_mem_binding_from_object(dev_data, commandBuffer, (uint64_t)dstBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, &mem);
    if (cb_data != dev_data->commandBufferMap.end()) {
        std::function<VkBool32()> function = [=]() {
            set_memory_valid(dev_data, mem, true);
            return VK_FALSE;
        };
        cb_data->second->validate_functions.push_back(function);
    }
    skipCall |= update_cmd_buf_and_mem_references(dev_data, commandBuffer, mem, "vkCmdCopyQueryPoolResults");
    // Validate that DST buffer has correct usage flags set
    skipCall |= validate_buffer_usage_flags(dev_data, commandBuffer, dstBuffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT, true,
                                            "vkCmdCopyQueryPoolResults()", "VK_BUFFER_USAGE_TRANSFER_DST_BIT");
#endif
    if (pCB) {
        for (uint32_t i = 0; i < queryCount; i++) {
            QueryObject query = {queryPool, firstQuery + i};
            if (!pCB->queryToStateMap[query]) {
                skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                    __LINE__, DRAWSTATE_INVALID_QUERY, "DS",
                                    "Requesting a copy from query to buffer with invalid query: queryPool %" PRIu64 ", index %d",
                                    (uint64_t)(queryPool), firstQuery + i);
            }
        }
        if (pCB->state == CB_RECORDING) {
            skipCall |= addCmd(dev_data, pCB, CMD_COPYQUERYPOOLRESULTS, "vkCmdCopyQueryPoolResults()");
        } else {
            skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkCmdCopyQueryPoolResults()");
        }
        skipCall |= insideRenderPass(dev_data, pCB, "vkCmdCopyQueryPoolResults");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdCopyQueryPoolResults(commandBuffer, queryPool, firstQuery, queryCount, dstBuffer,
                                                                 dstOffset, stride, flags);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdPushConstants(VkCommandBuffer commandBuffer, VkPipelineLayout layout,
                                                              VkShaderStageFlags stageFlags, uint32_t offset, uint32_t size,
                                                              const void *pValues) {
    bool skipCall = false;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        if (pCB->state == CB_RECORDING) {
            skipCall |= addCmd(dev_data, pCB, CMD_PUSHCONSTANTS, "vkCmdPushConstants()");
        } else {
            skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkCmdPushConstants()");
        }
    }
    if ((offset + size) > dev_data->physDevProperties.properties.limits.maxPushConstantsSize) {
        skipCall |= validatePushConstantSize(dev_data, offset, size, "vkCmdPushConstants()");
    }
    // TODO : Add warning if push constant update doesn't align with range
    loader_platform_thread_unlock_mutex(&globalLock);
    if (!skipCall)
        dev_data->device_dispatch_table->CmdPushConstants(commandBuffer, layout, stageFlags, offset, size, pValues);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdWriteTimestamp(VkCommandBuffer commandBuffer, VkPipelineStageFlagBits pipelineStage, VkQueryPool queryPool, uint32_t slot) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        QueryObject query = {queryPool, slot};
        pCB->queryToStateMap[query] = 1;
        if (pCB->state == CB_RECORDING) {
            skipCall |= addCmd(dev_data, pCB, CMD_WRITETIMESTAMP, "vkCmdWriteTimestamp()");
        } else {
            skipCall |= report_error_no_cb_begin(dev_data, commandBuffer, "vkCmdWriteTimestamp()");
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdWriteTimestamp(commandBuffer, pipelineStage, queryPool, slot);
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateFramebuffer(VkDevice device, const VkFramebufferCreateInfo *pCreateInfo,
                                                                   const VkAllocationCallbacks *pAllocator,
                                                                   VkFramebuffer *pFramebuffer) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateFramebuffer(device, pCreateInfo, pAllocator, pFramebuffer);
    if (VK_SUCCESS == result) {
        // Shadow create info and store in map
        loader_platform_thread_lock_mutex(&globalLock);

        auto & fbNode = dev_data->frameBufferMap[*pFramebuffer];
        fbNode.createInfo = *pCreateInfo;
        if (pCreateInfo->pAttachments) {
            auto attachments = new VkImageView[pCreateInfo->attachmentCount];
            memcpy(attachments,
                   pCreateInfo->pAttachments,
                   pCreateInfo->attachmentCount * sizeof(VkImageView));
            fbNode.createInfo.pAttachments = attachments;
        }
        for (uint32_t i = 0; i < pCreateInfo->attachmentCount; ++i) {
            VkImageView view = pCreateInfo->pAttachments[i];
            auto view_data = dev_data->imageViewMap.find(view);
            if (view_data == dev_data->imageViewMap.end()) {
                continue;
            }
            MT_FB_ATTACHMENT_INFO fb_info;
            get_mem_binding_from_object(dev_data, device, (uint64_t)(view_data->second.image), VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                        &fb_info.mem);
            fb_info.image = view_data->second.image;
            fbNode.attachments.push_back(fb_info);
        }

        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VkBool32 FindDependency(const int index, const int dependent, const std::vector<DAGNode> &subpass_to_node,
                        std::unordered_set<uint32_t> &processed_nodes) {
    // If we have already checked this node we have not found a dependency path so return false.
    if (processed_nodes.count(index))
        return VK_FALSE;
    processed_nodes.insert(index);
    const DAGNode &node = subpass_to_node[index];
    // Look for a dependency path. If one exists return true else recurse on the previous nodes.
    if (std::find(node.prev.begin(), node.prev.end(), dependent) == node.prev.end()) {
        for (auto elem : node.prev) {
            if (FindDependency(elem, dependent, subpass_to_node, processed_nodes))
                return VK_TRUE;
        }
    } else {
        return VK_TRUE;
    }
    return VK_FALSE;
}

VkBool32 CheckDependencyExists(const layer_data *my_data, const int subpass, const std::vector<uint32_t> &dependent_subpasses,
                               const std::vector<DAGNode> &subpass_to_node, VkBool32 &skip_call) {
    VkBool32 result = VK_TRUE;
    // Loop through all subpasses that share the same attachment and make sure a dependency exists
    for (uint32_t k = 0; k < dependent_subpasses.size(); ++k) {
        if (subpass == dependent_subpasses[k])
            continue;
        const DAGNode &node = subpass_to_node[subpass];
        // Check for a specified dependency between the two nodes. If one exists we are done.
        auto prev_elem = std::find(node.prev.begin(), node.prev.end(), dependent_subpasses[k]);
        auto next_elem = std::find(node.next.begin(), node.next.end(), dependent_subpasses[k]);
        if (prev_elem == node.prev.end() && next_elem == node.next.end()) {
            // If no dependency exits an implicit dependency still might. If so, warn and if not throw an error.
            std::unordered_set<uint32_t> processed_nodes;
            if (FindDependency(subpass, dependent_subpasses[k], subpass_to_node, processed_nodes) ||
                FindDependency(dependent_subpasses[k], subpass, subpass_to_node, processed_nodes)) {
                // TODO: Verify against Valid Use section of spec
                skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                     __LINE__, DRAWSTATE_INVALID_RENDERPASS, "DS",
                                     "A dependency between subpasses %d and %d must exist but only an implicit one is specified.",
                                     subpass, dependent_subpasses[k]);
            } else {
                skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                     __LINE__, DRAWSTATE_INVALID_RENDERPASS, "DS",
                                     "A dependency between subpasses %d and %d must exist but one is not specified.", subpass,
                                     dependent_subpasses[k]);
                result = VK_FALSE;
            }
        }
    }
    return result;
}

VkBool32 CheckPreserved(const layer_data *my_data, const VkRenderPassCreateInfo *pCreateInfo, const int index,
                        const uint32_t attachment, const std::vector<DAGNode> &subpass_to_node, int depth, VkBool32 &skip_call) {
    const DAGNode &node = subpass_to_node[index];
    // If this node writes to the attachment return true as next nodes need to preserve the attachment.
    const VkSubpassDescription &subpass = pCreateInfo->pSubpasses[index];
    for (uint32_t j = 0; j < subpass.colorAttachmentCount; ++j) {
        if (attachment == subpass.pColorAttachments[j].attachment)
            return VK_TRUE;
    }
    if (subpass.pDepthStencilAttachment && subpass.pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED) {
        if (attachment == subpass.pDepthStencilAttachment->attachment)
            return VK_TRUE;
    }
    VkBool32 result = VK_FALSE;
    // Loop through previous nodes and see if any of them write to the attachment.
    for (auto elem : node.prev) {
        result |= CheckPreserved(my_data, pCreateInfo, elem, attachment, subpass_to_node, depth + 1, skip_call);
    }
    // If the attachment was written to by a previous node than this node needs to preserve it.
    if (result && depth > 0) {
        const VkSubpassDescription &subpass = pCreateInfo->pSubpasses[index];
        VkBool32 has_preserved = VK_FALSE;
        for (uint32_t j = 0; j < subpass.preserveAttachmentCount; ++j) {
            if (subpass.pPreserveAttachments[j] == attachment) {
                has_preserved = VK_TRUE;
                break;
            }
        }
        if (has_preserved == VK_FALSE) {
            skip_call |=
                log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_RENDERPASS, "DS",
                        "Attachment %d is used by a later subpass and must be preserved in subpass %d.", attachment, index);
        }
    }
    return result;
}

template <class T> bool isRangeOverlapping(T offset1, T size1, T offset2, T size2) {
    return (((offset1 + size1) > offset2) && ((offset1 + size1) < (offset2 + size2))) ||
           ((offset1 > offset2) && (offset1 < (offset2 + size2)));
}

bool isRegionOverlapping(VkImageSubresourceRange range1, VkImageSubresourceRange range2) {
    return (isRangeOverlapping(range1.baseMipLevel, range1.levelCount, range2.baseMipLevel, range2.levelCount) &&
            isRangeOverlapping(range1.baseArrayLayer, range1.layerCount, range2.baseArrayLayer, range2.layerCount));
}

VkBool32 ValidateDependencies(const layer_data *my_data, const VkRenderPassBeginInfo *pRenderPassBegin,
                              const std::vector<DAGNode> &subpass_to_node) {
    VkBool32 skip_call = VK_FALSE;
    const VkFramebufferCreateInfo *pFramebufferInfo = &my_data->frameBufferMap.at(pRenderPassBegin->framebuffer).createInfo;
    const VkRenderPassCreateInfo *pCreateInfo = my_data->renderPassMap.at(pRenderPassBegin->renderPass)->pCreateInfo;
    std::vector<std::vector<uint32_t>> output_attachment_to_subpass(pCreateInfo->attachmentCount);
    std::vector<std::vector<uint32_t>> input_attachment_to_subpass(pCreateInfo->attachmentCount);
    std::vector<std::vector<uint32_t>> overlapping_attachments(pCreateInfo->attachmentCount);
    // Find overlapping attachments
    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; ++i) {
        for (uint32_t j = i + 1; j < pCreateInfo->attachmentCount; ++j) {
            VkImageView viewi = pFramebufferInfo->pAttachments[i];
            VkImageView viewj = pFramebufferInfo->pAttachments[j];
            if (viewi == viewj) {
                overlapping_attachments[i].push_back(j);
                overlapping_attachments[j].push_back(i);
                continue;
            }
            auto view_data_i = my_data->imageViewMap.find(viewi);
            auto view_data_j = my_data->imageViewMap.find(viewj);
            if (view_data_i == my_data->imageViewMap.end() || view_data_j == my_data->imageViewMap.end()) {
                continue;
            }
            if (view_data_i->second.image == view_data_j->second.image &&
                isRegionOverlapping(view_data_i->second.subresourceRange, view_data_j->second.subresourceRange)) {
                overlapping_attachments[i].push_back(j);
                overlapping_attachments[j].push_back(i);
                continue;
            }
            auto image_data_i = my_data->imageMap.find(view_data_i->second.image);
            auto image_data_j = my_data->imageMap.find(view_data_j->second.image);
            if (image_data_i == my_data->imageMap.end() || image_data_j == my_data->imageMap.end()) {
                continue;
            }
            if (image_data_i->second.mem == image_data_j->second.mem &&
                isRangeOverlapping(image_data_i->second.memOffset, image_data_i->second.memSize, image_data_j->second.memOffset,
                                   image_data_j->second.memSize)) {
                overlapping_attachments[i].push_back(j);
                overlapping_attachments[j].push_back(i);
            }
        }
    }
    for (uint32_t i = 0; i < overlapping_attachments.size(); ++i) {
        uint32_t attachment = i;
        for (auto other_attachment : overlapping_attachments[i]) {
            if (!(pCreateInfo->pAttachments[attachment].flags & VK_ATTACHMENT_DESCRIPTION_MAY_ALIAS_BIT)) {
                skip_call |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_RENDERPASS, "DS", "Attachment %d aliases attachment %d but doesn't "
                                                                "set VK_ATTACHMENT_DESCRIPTION_MAY_ALIAS_BIT.",
                            attachment, other_attachment);
            }
            if (!(pCreateInfo->pAttachments[other_attachment].flags & VK_ATTACHMENT_DESCRIPTION_MAY_ALIAS_BIT)) {
                skip_call |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_RENDERPASS, "DS", "Attachment %d aliases attachment %d but doesn't "
                                                                "set VK_ATTACHMENT_DESCRIPTION_MAY_ALIAS_BIT.",
                            other_attachment, attachment);
            }
        }
    }
    // Find for each attachment the subpasses that use them.
    unordered_set<uint32_t> attachmentIndices;
    for (uint32_t i = 0; i < pCreateInfo->subpassCount; ++i) {
        const VkSubpassDescription &subpass = pCreateInfo->pSubpasses[i];
        attachmentIndices.clear();
        for (uint32_t j = 0; j < subpass.inputAttachmentCount; ++j) {
            uint32_t attachment = subpass.pInputAttachments[j].attachment;
            input_attachment_to_subpass[attachment].push_back(i);
            for (auto overlapping_attachment : overlapping_attachments[attachment]) {
                input_attachment_to_subpass[overlapping_attachment].push_back(i);
            }
        }
        for (uint32_t j = 0; j < subpass.colorAttachmentCount; ++j) {
            uint32_t attachment = subpass.pColorAttachments[j].attachment;
            output_attachment_to_subpass[attachment].push_back(i);
            for (auto overlapping_attachment : overlapping_attachments[attachment]) {
                output_attachment_to_subpass[overlapping_attachment].push_back(i);
            }
            attachmentIndices.insert(attachment);
        }
        if (subpass.pDepthStencilAttachment && subpass.pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED) {
            uint32_t attachment = subpass.pDepthStencilAttachment->attachment;
            output_attachment_to_subpass[attachment].push_back(i);
            for (auto overlapping_attachment : overlapping_attachments[attachment]) {
                output_attachment_to_subpass[overlapping_attachment].push_back(i);
            }

            if (attachmentIndices.count(attachment)) {
                skip_call |=
                    log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0,
                            0, __LINE__, DRAWSTATE_INVALID_RENDERPASS, "DS",
                            "Cannot use same attachment (%u) as both color and depth output in same subpass (%u).",
                            attachment, i);
            }
        }
    }
    // If there is a dependency needed make sure one exists
    for (uint32_t i = 0; i < pCreateInfo->subpassCount; ++i) {
        const VkSubpassDescription &subpass = pCreateInfo->pSubpasses[i];
        // If the attachment is an input then all subpasses that output must have a dependency relationship
        for (uint32_t j = 0; j < subpass.inputAttachmentCount; ++j) {
            const uint32_t &attachment = subpass.pInputAttachments[j].attachment;
            CheckDependencyExists(my_data, i, output_attachment_to_subpass[attachment], subpass_to_node, skip_call);
        }
        // If the attachment is an output then all subpasses that use the attachment must have a dependency relationship
        for (uint32_t j = 0; j < subpass.colorAttachmentCount; ++j) {
            const uint32_t &attachment = subpass.pColorAttachments[j].attachment;
            CheckDependencyExists(my_data, i, output_attachment_to_subpass[attachment], subpass_to_node, skip_call);
            CheckDependencyExists(my_data, i, input_attachment_to_subpass[attachment], subpass_to_node, skip_call);
        }
        if (subpass.pDepthStencilAttachment && subpass.pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED) {
            const uint32_t &attachment = subpass.pDepthStencilAttachment->attachment;
            CheckDependencyExists(my_data, i, output_attachment_to_subpass[attachment], subpass_to_node, skip_call);
            CheckDependencyExists(my_data, i, input_attachment_to_subpass[attachment], subpass_to_node, skip_call);
        }
    }
    // Loop through implicit dependencies, if this pass reads make sure the attachment is preserved for all passes after it was
    // written.
    for (uint32_t i = 0; i < pCreateInfo->subpassCount; ++i) {
        const VkSubpassDescription &subpass = pCreateInfo->pSubpasses[i];
        for (uint32_t j = 0; j < subpass.inputAttachmentCount; ++j) {
            CheckPreserved(my_data, pCreateInfo, i, subpass.pInputAttachments[j].attachment, subpass_to_node, 0, skip_call);
        }
    }
    return skip_call;
}

VkBool32 ValidateLayouts(const layer_data *my_data, VkDevice device, const VkRenderPassCreateInfo *pCreateInfo) {
    VkBool32 skip = VK_FALSE;

    for (uint32_t i = 0; i < pCreateInfo->subpassCount; ++i) {
        const VkSubpassDescription &subpass = pCreateInfo->pSubpasses[i];
        for (uint32_t j = 0; j < subpass.inputAttachmentCount; ++j) {
            if (subpass.pInputAttachments[j].layout != VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL &&
                subpass.pInputAttachments[j].layout != VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) {
                if (subpass.pInputAttachments[j].layout == VK_IMAGE_LAYOUT_GENERAL) {
                    // TODO: Verify Valid Use in spec. I believe this is allowed (valid) but may not be optimal performance
                    skip |= log_msg(my_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                    (VkDebugReportObjectTypeEXT)0, 0, __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                    "Layout for input attachment is GENERAL but should be READ_ONLY_OPTIMAL.");
                } else {
                    skip |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                    DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                    "Layout for input attachment is %s but can only be READ_ONLY_OPTIMAL or GENERAL.",
                                    string_VkImageLayout(subpass.pInputAttachments[j].layout));
                }
            }
        }
        for (uint32_t j = 0; j < subpass.colorAttachmentCount; ++j) {
            if (subpass.pColorAttachments[j].layout != VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) {
                if (subpass.pColorAttachments[j].layout == VK_IMAGE_LAYOUT_GENERAL) {
                    // TODO: Verify Valid Use in spec. I believe this is allowed (valid) but may not be optimal performance
                    skip |= log_msg(my_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                    (VkDebugReportObjectTypeEXT)0, 0, __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                    "Layout for color attachment is GENERAL but should be COLOR_ATTACHMENT_OPTIMAL.");
                } else {
                    skip |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                    DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                    "Layout for color attachment is %s but can only be COLOR_ATTACHMENT_OPTIMAL or GENERAL.",
                                    string_VkImageLayout(subpass.pColorAttachments[j].layout));
                }
            }
        }
        if ((subpass.pDepthStencilAttachment != NULL) && (subpass.pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED)) {
            if (subpass.pDepthStencilAttachment->layout != VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
                if (subpass.pDepthStencilAttachment->layout == VK_IMAGE_LAYOUT_GENERAL) {
                    // TODO: Verify Valid Use in spec. I believe this is allowed (valid) but may not be optimal performance
                    skip |= log_msg(my_data->report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                    (VkDebugReportObjectTypeEXT)0, 0, __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                    "Layout for depth attachment is GENERAL but should be DEPTH_STENCIL_ATTACHMENT_OPTIMAL.");
                } else {
                    skip |=
                        log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                "Layout for depth attachment is %s but can only be DEPTH_STENCIL_ATTACHMENT_OPTIMAL or GENERAL.",
                                string_VkImageLayout(subpass.pDepthStencilAttachment->layout));
                }
            }
        }
    }
    return skip;
}

VkBool32 CreatePassDAG(const layer_data *my_data, VkDevice device, const VkRenderPassCreateInfo *pCreateInfo,
                       std::vector<DAGNode> &subpass_to_node, std::vector<bool> &has_self_dependency) {
    VkBool32 skip_call = VK_FALSE;
    for (uint32_t i = 0; i < pCreateInfo->subpassCount; ++i) {
        DAGNode &subpass_node = subpass_to_node[i];
        subpass_node.pass = i;
    }
    for (uint32_t i = 0; i < pCreateInfo->dependencyCount; ++i) {
        const VkSubpassDependency &dependency = pCreateInfo->pDependencies[i];
        if (dependency.srcSubpass > dependency.dstSubpass && dependency.srcSubpass != VK_SUBPASS_EXTERNAL &&
            dependency.dstSubpass != VK_SUBPASS_EXTERNAL) {
            skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_RENDERPASS, "DS",
                                 "Depedency graph must be specified such that an earlier pass cannot depend on a later pass.");
        } else if (dependency.srcSubpass == VK_SUBPASS_EXTERNAL && dependency.dstSubpass == VK_SUBPASS_EXTERNAL) {
            skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_RENDERPASS, "DS", "The src and dest subpasses cannot both be external.");
        } else if (dependency.srcSubpass == dependency.dstSubpass) {
            has_self_dependency[dependency.srcSubpass] = true;
        }
        if (dependency.dstSubpass != VK_SUBPASS_EXTERNAL) {
            subpass_to_node[dependency.dstSubpass].prev.push_back(dependency.srcSubpass);
        }
        if (dependency.srcSubpass != VK_SUBPASS_EXTERNAL) {
            subpass_to_node[dependency.srcSubpass].next.push_back(dependency.dstSubpass);
        }
    }
    return skip_call;
}


VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateShaderModule(VkDevice device, const VkShaderModuleCreateInfo *pCreateInfo,
                                                                    const VkAllocationCallbacks *pAllocator,
                                                                    VkShaderModule *pShaderModule) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkBool32 skip_call = VK_FALSE;
    if (!shader_is_spirv(pCreateInfo)) {
        skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT,
                             /* dev */ 0, __LINE__, SHADER_CHECKER_NON_SPIRV_SHADER, "SC", "Shader is not SPIR-V");
    }

    if (VK_FALSE != skip_call)
        return VK_ERROR_VALIDATION_FAILED_EXT;

    VkResult res = my_data->device_dispatch_table->CreateShaderModule(device, pCreateInfo, pAllocator, pShaderModule);

    if (res == VK_SUCCESS) {
        loader_platform_thread_lock_mutex(&globalLock);
        my_data->shaderModuleMap[*pShaderModule] = unique_ptr<shader_module>(new shader_module(pCreateInfo));
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return res;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateRenderPass(VkDevice device, const VkRenderPassCreateInfo *pCreateInfo,
                                                                  const VkAllocationCallbacks *pAllocator,
                                                                  VkRenderPass *pRenderPass) {
    VkBool32 skip_call = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    // Create DAG
    std::vector<bool> has_self_dependency(pCreateInfo->subpassCount);
    std::vector<DAGNode> subpass_to_node(pCreateInfo->subpassCount);
    skip_call |= CreatePassDAG(dev_data, device, pCreateInfo, subpass_to_node, has_self_dependency);
    // Validate
    skip_call |= ValidateLayouts(dev_data, device, pCreateInfo);
    if (VK_FALSE != skip_call) {
        loader_platform_thread_unlock_mutex(&globalLock);
        return VK_ERROR_VALIDATION_FAILED_EXT;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    VkResult result = dev_data->device_dispatch_table->CreateRenderPass(device, pCreateInfo, pAllocator, pRenderPass);
    if (VK_SUCCESS == result) {
        loader_platform_thread_lock_mutex(&globalLock);
        // TODOSC : Merge in tracking of renderpass from shader_checker
        // Shadow create info and store in map
        VkRenderPassCreateInfo *localRPCI = new VkRenderPassCreateInfo(*pCreateInfo);
        if (pCreateInfo->pAttachments) {
            localRPCI->pAttachments = new VkAttachmentDescription[localRPCI->attachmentCount];
            memcpy((void *)localRPCI->pAttachments, pCreateInfo->pAttachments,
                   localRPCI->attachmentCount * sizeof(VkAttachmentDescription));
        }
        if (pCreateInfo->pSubpasses) {
            localRPCI->pSubpasses = new VkSubpassDescription[localRPCI->subpassCount];
            memcpy((void *)localRPCI->pSubpasses, pCreateInfo->pSubpasses, localRPCI->subpassCount * sizeof(VkSubpassDescription));

            for (uint32_t i = 0; i < localRPCI->subpassCount; i++) {
                VkSubpassDescription *subpass = (VkSubpassDescription *)&localRPCI->pSubpasses[i];
                const uint32_t attachmentCount = subpass->inputAttachmentCount +
                                                 subpass->colorAttachmentCount * (1 + (subpass->pResolveAttachments ? 1 : 0)) +
                                                 ((subpass->pDepthStencilAttachment) ? 1 : 0) + subpass->preserveAttachmentCount;
                VkAttachmentReference *attachments = new VkAttachmentReference[attachmentCount];

                memcpy(attachments, subpass->pInputAttachments, sizeof(attachments[0]) * subpass->inputAttachmentCount);
                subpass->pInputAttachments = attachments;
                attachments += subpass->inputAttachmentCount;

                memcpy(attachments, subpass->pColorAttachments, sizeof(attachments[0]) * subpass->colorAttachmentCount);
                subpass->pColorAttachments = attachments;
                attachments += subpass->colorAttachmentCount;

                if (subpass->pResolveAttachments) {
                    memcpy(attachments, subpass->pResolveAttachments, sizeof(attachments[0]) * subpass->colorAttachmentCount);
                    subpass->pResolveAttachments = attachments;
                    attachments += subpass->colorAttachmentCount;
                }

                if (subpass->pDepthStencilAttachment) {
                    memcpy(attachments, subpass->pDepthStencilAttachment, sizeof(attachments[0]) * 1);
                    subpass->pDepthStencilAttachment = attachments;
                    attachments += 1;
                }

                memcpy(attachments, subpass->pPreserveAttachments, sizeof(attachments[0]) * subpass->preserveAttachmentCount);
                subpass->pPreserveAttachments = &attachments->attachment;
            }
        }
        if (pCreateInfo->pDependencies) {
            localRPCI->pDependencies = new VkSubpassDependency[localRPCI->dependencyCount];
            memcpy((void *)localRPCI->pDependencies, pCreateInfo->pDependencies,
                   localRPCI->dependencyCount * sizeof(VkSubpassDependency));
        }
        dev_data->renderPassMap[*pRenderPass] = new RENDER_PASS_NODE(localRPCI);
        dev_data->renderPassMap[*pRenderPass]->hasSelfDependency = has_self_dependency;
        dev_data->renderPassMap[*pRenderPass]->subpassToNode = subpass_to_node;
#if MTMERGESOURCE
        // MTMTODO : Merge with code from above to eliminate duplication
        for (uint32_t i = 0; i < pCreateInfo->attachmentCount; ++i) {
            VkAttachmentDescription desc = pCreateInfo->pAttachments[i];
            MT_PASS_ATTACHMENT_INFO pass_info;
            pass_info.load_op = desc.loadOp;
            pass_info.store_op = desc.storeOp;
            pass_info.attachment = i;
            dev_data->renderPassMap[*pRenderPass]->attachments.push_back(pass_info);
        }
        // TODO: Maybe fill list and then copy instead of locking
        std::unordered_map<uint32_t, bool> &attachment_first_read = dev_data->renderPassMap[*pRenderPass]->attachment_first_read;
        std::unordered_map<uint32_t, VkImageLayout> &attachment_first_layout =
            dev_data->renderPassMap[*pRenderPass]->attachment_first_layout;
        for (uint32_t i = 0; i < pCreateInfo->subpassCount; ++i) {
            const VkSubpassDescription &subpass = pCreateInfo->pSubpasses[i];
            for (uint32_t j = 0; j < subpass.colorAttachmentCount; ++j) {
                uint32_t attachment = subpass.pColorAttachments[j].attachment;
                if (attachment >= pCreateInfo->attachmentCount) {
                    skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                         __LINE__, DRAWSTATE_INVALID_RENDERPASS, "DS",
                                         "Color attachment %d cannot be greater than the total number of attachments %d.",
                                         attachment, pCreateInfo->attachmentCount);
                    continue;
                }
                if (attachment_first_read.count(attachment))
                    continue;
                attachment_first_read.insert(std::make_pair(attachment, false));
                attachment_first_layout.insert(std::make_pair(attachment, subpass.pColorAttachments[j].layout));
            }
            if (subpass.pDepthStencilAttachment && subpass.pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED) {
                uint32_t attachment = subpass.pDepthStencilAttachment->attachment;
                if (attachment >= pCreateInfo->attachmentCount) {
                    skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                         __LINE__, DRAWSTATE_INVALID_RENDERPASS, "DS",
                                         "Depth stencil attachment %d cannot be greater than the total number of attachments %d.",
                                         attachment, pCreateInfo->attachmentCount);
                    continue;
                }
                if (attachment_first_read.count(attachment))
                    continue;
                attachment_first_read.insert(std::make_pair(attachment, false));
                attachment_first_layout.insert(std::make_pair(attachment, subpass.pDepthStencilAttachment->layout));
            }
            for (uint32_t j = 0; j < subpass.inputAttachmentCount; ++j) {
                uint32_t attachment = subpass.pInputAttachments[j].attachment;
                if (attachment >= pCreateInfo->attachmentCount) {
                    skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                         __LINE__, DRAWSTATE_INVALID_RENDERPASS, "DS",
                                         "Input attachment %d cannot be greater than the total number of attachments %d.",
                                         attachment, pCreateInfo->attachmentCount);
                    continue;
                }
                if (attachment_first_read.count(attachment))
                    continue;
                attachment_first_read.insert(std::make_pair(attachment, true));
                attachment_first_layout.insert(std::make_pair(attachment, subpass.pInputAttachments[j].layout));
            }
        }
#endif
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}
// Free the renderpass shadow
static void deleteRenderPasses(layer_data *my_data) {
    if (my_data->renderPassMap.size() <= 0)
        return;
    for (auto ii = my_data->renderPassMap.begin(); ii != my_data->renderPassMap.end(); ++ii) {
        const VkRenderPassCreateInfo *pRenderPassInfo = (*ii).second->pCreateInfo;
        delete[] pRenderPassInfo->pAttachments;
        if (pRenderPassInfo->pSubpasses) {
            for (uint32_t i = 0; i < pRenderPassInfo->subpassCount; ++i) {
                // Attachements are all allocated in a block, so just need to
                //  find the first non-null one to delete
                if (pRenderPassInfo->pSubpasses[i].pInputAttachments) {
                    delete[] pRenderPassInfo->pSubpasses[i].pInputAttachments;
                } else if (pRenderPassInfo->pSubpasses[i].pColorAttachments) {
                    delete[] pRenderPassInfo->pSubpasses[i].pColorAttachments;
                } else if (pRenderPassInfo->pSubpasses[i].pResolveAttachments) {
                    delete[] pRenderPassInfo->pSubpasses[i].pResolveAttachments;
                } else if (pRenderPassInfo->pSubpasses[i].pPreserveAttachments) {
                    delete[] pRenderPassInfo->pSubpasses[i].pPreserveAttachments;
                }
            }
            delete[] pRenderPassInfo->pSubpasses;
        }
        delete[] pRenderPassInfo->pDependencies;
        delete pRenderPassInfo;
        delete (*ii).second;
    }
    my_data->renderPassMap.clear();
}

VkBool32 VerifyFramebufferAndRenderPassLayouts(VkCommandBuffer cmdBuffer, const VkRenderPassBeginInfo *pRenderPassBegin) {
    VkBool32 skip_call = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, cmdBuffer);
    const VkRenderPassCreateInfo *pRenderPassInfo = dev_data->renderPassMap[pRenderPassBegin->renderPass]->pCreateInfo;
    const VkFramebufferCreateInfo framebufferInfo = dev_data->frameBufferMap[pRenderPassBegin->framebuffer].createInfo;
    if (pRenderPassInfo->attachmentCount != framebufferInfo.attachmentCount) {
        skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                             DRAWSTATE_INVALID_RENDERPASS, "DS", "You cannot start a render pass using a framebuffer "
                                                                 "with a different number of attachments.");
    }
    for (uint32_t i = 0; i < pRenderPassInfo->attachmentCount; ++i) {
        const VkImageView &image_view = framebufferInfo.pAttachments[i];
        auto image_data = dev_data->imageViewMap.find(image_view);
        assert(image_data != dev_data->imageViewMap.end());
        const VkImage &image = image_data->second.image;
        const VkImageSubresourceRange &subRange = image_data->second.subresourceRange;
        IMAGE_CMD_BUF_LAYOUT_NODE newNode = {pRenderPassInfo->pAttachments[i].initialLayout,
                                             pRenderPassInfo->pAttachments[i].initialLayout};
        // TODO: Do not iterate over every possibility - consolidate where possible
        for (uint32_t j = 0; j < subRange.levelCount; j++) {
            uint32_t level = subRange.baseMipLevel + j;
            for (uint32_t k = 0; k < subRange.layerCount; k++) {
                uint32_t layer = subRange.baseArrayLayer + k;
                VkImageSubresource sub = {subRange.aspectMask, level, layer};
                IMAGE_CMD_BUF_LAYOUT_NODE node;
                if (!FindLayout(pCB, image, sub, node)) {
                    SetLayout(pCB, image, sub, newNode);
                    continue;
                }
                if (newNode.layout != node.layout) {
                    skip_call |=
                        log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                DRAWSTATE_INVALID_RENDERPASS, "DS", "You cannot start a render pass using attachment %i "
                                                                    "where the "
                                                                    "initial layout is %s and the layout of the attachment at the "
                                                                    "start of the render pass is %s. The layouts must match.",
                                i, string_VkImageLayout(newNode.layout), string_VkImageLayout(node.layout));
                }
            }
        }
    }
    return skip_call;
}

void TransitionSubpassLayouts(VkCommandBuffer cmdBuffer, const VkRenderPassBeginInfo *pRenderPassBegin, const int subpass_index) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, cmdBuffer);
    auto render_pass_data = dev_data->renderPassMap.find(pRenderPassBegin->renderPass);
    if (render_pass_data == dev_data->renderPassMap.end()) {
        return;
    }
    const VkRenderPassCreateInfo *pRenderPassInfo = render_pass_data->second->pCreateInfo;
    auto framebuffer_data = dev_data->frameBufferMap.find(pRenderPassBegin->framebuffer);
    if (framebuffer_data == dev_data->frameBufferMap.end()) {
        return;
    }
    const VkFramebufferCreateInfo framebufferInfo = framebuffer_data->second.createInfo;
    const VkSubpassDescription &subpass = pRenderPassInfo->pSubpasses[subpass_index];
    for (uint32_t j = 0; j < subpass.inputAttachmentCount; ++j) {
        const VkImageView &image_view = framebufferInfo.pAttachments[subpass.pInputAttachments[j].attachment];
        SetLayout(dev_data, pCB, image_view, subpass.pInputAttachments[j].layout);
    }
    for (uint32_t j = 0; j < subpass.colorAttachmentCount; ++j) {
        const VkImageView &image_view = framebufferInfo.pAttachments[subpass.pColorAttachments[j].attachment];
        SetLayout(dev_data, pCB, image_view, subpass.pColorAttachments[j].layout);
    }
    if ((subpass.pDepthStencilAttachment != NULL) && (subpass.pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED)) {
        const VkImageView &image_view = framebufferInfo.pAttachments[subpass.pDepthStencilAttachment->attachment];
        SetLayout(dev_data, pCB, image_view, subpass.pDepthStencilAttachment->layout);
    }
}

VkBool32 validatePrimaryCommandBuffer(const layer_data *my_data, const GLOBAL_CB_NODE *pCB, const std::string &cmd_name) {
    VkBool32 skip_call = VK_FALSE;
    if (pCB->createInfo.level != VK_COMMAND_BUFFER_LEVEL_PRIMARY) {
        skip_call |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                             DRAWSTATE_INVALID_COMMAND_BUFFER, "DS", "Cannot execute command %s on a secondary command buffer.",
                             cmd_name.c_str());
    }
    return skip_call;
}

void TransitionFinalSubpassLayouts(VkCommandBuffer cmdBuffer, const VkRenderPassBeginInfo *pRenderPassBegin) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, cmdBuffer);
    auto render_pass_data = dev_data->renderPassMap.find(pRenderPassBegin->renderPass);
    if (render_pass_data == dev_data->renderPassMap.end()) {
        return;
    }
    const VkRenderPassCreateInfo *pRenderPassInfo = render_pass_data->second->pCreateInfo;
    auto framebuffer_data = dev_data->frameBufferMap.find(pRenderPassBegin->framebuffer);
    if (framebuffer_data == dev_data->frameBufferMap.end()) {
        return;
    }
    const VkFramebufferCreateInfo framebufferInfo = framebuffer_data->second.createInfo;
    for (uint32_t i = 0; i < pRenderPassInfo->attachmentCount; ++i) {
        const VkImageView &image_view = framebufferInfo.pAttachments[i];
        SetLayout(dev_data, pCB, image_view, pRenderPassInfo->pAttachments[i].finalLayout);
    }
}

bool VerifyRenderAreaBounds(const layer_data *my_data, const VkRenderPassBeginInfo *pRenderPassBegin) {
    bool skip_call = false;
    const VkFramebufferCreateInfo *pFramebufferInfo = &my_data->frameBufferMap.at(pRenderPassBegin->framebuffer).createInfo;
    if (pRenderPassBegin->renderArea.offset.x < 0 ||
        (pRenderPassBegin->renderArea.offset.x + pRenderPassBegin->renderArea.extent.width) > pFramebufferInfo->width ||
        pRenderPassBegin->renderArea.offset.y < 0 ||
        (pRenderPassBegin->renderArea.offset.y + pRenderPassBegin->renderArea.extent.height) > pFramebufferInfo->height) {
        skip_call |= static_cast<bool>(log_msg(
            my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
            DRAWSTATE_INVALID_RENDER_AREA, "CORE",
            "Cannot execute a render pass with renderArea not within the bound of the "
            "framebuffer. RenderArea: x %d, y %d, width %d, height %d. Framebuffer: width %d, "
            "height %d.",
            pRenderPassBegin->renderArea.offset.x, pRenderPassBegin->renderArea.offset.y, pRenderPassBegin->renderArea.extent.width,
            pRenderPassBegin->renderArea.extent.height, pFramebufferInfo->width, pFramebufferInfo->height));
    }
    return skip_call;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdBeginRenderPass(VkCommandBuffer commandBuffer, const VkRenderPassBeginInfo *pRenderPassBegin, VkSubpassContents contents) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        if (pRenderPassBegin && pRenderPassBegin->renderPass) {
#if MTMERGE
            auto pass_data = dev_data->renderPassMap.find(pRenderPassBegin->renderPass);
            if (pass_data != dev_data->renderPassMap.end()) {
                RENDER_PASS_NODE* pRPNode = pass_data->second;
                pRPNode->fb = pRenderPassBegin->framebuffer;
                auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
                for (size_t i = 0; i < pRPNode->attachments.size(); ++i) {
                    MT_FB_ATTACHMENT_INFO &fb_info = dev_data->frameBufferMap[pRPNode->fb].attachments[i];
                    if (pRPNode->attachments[i].load_op == VK_ATTACHMENT_LOAD_OP_CLEAR) {
                        if (cb_data != dev_data->commandBufferMap.end()) {
                            std::function<VkBool32()> function = [=]() {
                                set_memory_valid(dev_data, fb_info.mem, true, fb_info.image);
                                return VK_FALSE;
                            };
                            cb_data->second->validate_functions.push_back(function);
                        }
                        VkImageLayout &attachment_layout = pRPNode->attachment_first_layout[pRPNode->attachments[i].attachment];
                        if (attachment_layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL ||
                            attachment_layout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) {
                            skipCall |=
                                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                        VK_DEBUG_REPORT_OBJECT_TYPE_RENDER_PASS_EXT, (uint64_t)(pRenderPassBegin->renderPass), __LINE__,
                                        MEMTRACK_INVALID_LAYOUT, "MEM", "Cannot clear attachment %d with invalid first layout %d.",
                                        pRPNode->attachments[i].attachment, attachment_layout);
                        }
                    } else if (pRPNode->attachments[i].load_op == VK_ATTACHMENT_LOAD_OP_DONT_CARE) {
                        if (cb_data != dev_data->commandBufferMap.end()) {
                            std::function<VkBool32()> function = [=]() {
                                set_memory_valid(dev_data, fb_info.mem, false, fb_info.image);
                                return VK_FALSE;
                            };
                            cb_data->second->validate_functions.push_back(function);
                        }
                    } else if (pRPNode->attachments[i].load_op == VK_ATTACHMENT_LOAD_OP_LOAD) {
                        if (cb_data != dev_data->commandBufferMap.end()) {
                            std::function<VkBool32()> function = [=]() {
                                return validate_memory_is_valid(dev_data, fb_info.mem, "vkCmdBeginRenderPass()", fb_info.image);
                            };
                            cb_data->second->validate_functions.push_back(function);
                        }
                    }
                    if (pRPNode->attachment_first_read[pRPNode->attachments[i].attachment]) {
                        if (cb_data != dev_data->commandBufferMap.end()) {
                            std::function<VkBool32()> function = [=]() {
                                return validate_memory_is_valid(dev_data, fb_info.mem, "vkCmdBeginRenderPass()", fb_info.image);
                            };
                            cb_data->second->validate_functions.push_back(function);
                        }
                    }
                }
            }
#endif
            skipCall |= static_cast<VkBool32>(VerifyRenderAreaBounds(dev_data, pRenderPassBegin));
            skipCall |= VerifyFramebufferAndRenderPassLayouts(commandBuffer, pRenderPassBegin);
            auto render_pass_data = dev_data->renderPassMap.find(pRenderPassBegin->renderPass);
            if (render_pass_data != dev_data->renderPassMap.end()) {
                skipCall |= ValidateDependencies(dev_data, pRenderPassBegin, render_pass_data->second->subpassToNode);
            }
            skipCall |= insideRenderPass(dev_data, pCB, "vkCmdBeginRenderPass");
            skipCall |= validatePrimaryCommandBuffer(dev_data, pCB, "vkCmdBeginRenderPass");
            skipCall |= addCmd(dev_data, pCB, CMD_BEGINRENDERPASS, "vkCmdBeginRenderPass()");
            pCB->activeRenderPass = pRenderPassBegin->renderPass;
            // This is a shallow copy as that is all that is needed for now
            pCB->activeRenderPassBeginInfo = *pRenderPassBegin;
            pCB->activeSubpass = 0;
            pCB->activeSubpassContents = contents;
            pCB->framebuffer = pRenderPassBegin->framebuffer;
            // Connect this framebuffer to this cmdBuffer
            dev_data->frameBufferMap[pCB->framebuffer].referencingCmdBuffers.insert(pCB->commandBuffer);
        } else {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_RENDERPASS, "DS", "You cannot use a NULL RenderPass object in vkCmdBeginRenderPass()");
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall) {
        dev_data->device_dispatch_table->CmdBeginRenderPass(commandBuffer, pRenderPassBegin, contents);
        loader_platform_thread_lock_mutex(&globalLock);
        // This is a shallow copy as that is all that is needed for now
        dev_data->renderPassBeginInfo = *pRenderPassBegin;
        dev_data->currentSubpass = 0;
        loader_platform_thread_unlock_mutex(&globalLock);
    }
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdNextSubpass(VkCommandBuffer commandBuffer, VkSubpassContents contents) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    TransitionSubpassLayouts(commandBuffer, &dev_data->renderPassBeginInfo, ++dev_data->currentSubpass);
    if (pCB) {
        skipCall |= validatePrimaryCommandBuffer(dev_data, pCB, "vkCmdNextSubpass");
        skipCall |= addCmd(dev_data, pCB, CMD_NEXTSUBPASS, "vkCmdNextSubpass()");
        pCB->activeSubpass++;
        pCB->activeSubpassContents = contents;
        TransitionSubpassLayouts(commandBuffer, &pCB->activeRenderPassBeginInfo, pCB->activeSubpass);
        if (pCB->lastBound[VK_PIPELINE_BIND_POINT_GRAPHICS].pipeline) {
            skipCall |= validatePipelineState(dev_data, pCB, VK_PIPELINE_BIND_POINT_GRAPHICS,
                                              pCB->lastBound[VK_PIPELINE_BIND_POINT_GRAPHICS].pipeline);
        }
        skipCall |= outsideRenderPass(dev_data, pCB, "vkCmdNextSubpass");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdNextSubpass(commandBuffer, contents);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkCmdEndRenderPass(VkCommandBuffer commandBuffer) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    auto cb_data = dev_data->commandBufferMap.find(commandBuffer);
    if (cb_data != dev_data->commandBufferMap.end()) {
        auto pass_data = dev_data->renderPassMap.find(cb_data->second->activeRenderPass);
        if (pass_data != dev_data->renderPassMap.end()) {
            RENDER_PASS_NODE* pRPNode = pass_data->second;
            for (size_t i = 0; i < pRPNode->attachments.size(); ++i) {
                MT_FB_ATTACHMENT_INFO &fb_info = dev_data->frameBufferMap[pRPNode->fb].attachments[i];
                if (pRPNode->attachments[i].store_op == VK_ATTACHMENT_STORE_OP_STORE) {
                    if (cb_data != dev_data->commandBufferMap.end()) {
                        std::function<VkBool32()> function = [=]() {
                            set_memory_valid(dev_data, fb_info.mem, true, fb_info.image);
                            return VK_FALSE;
                        };
                        cb_data->second->validate_functions.push_back(function);
                    }
                } else if (pRPNode->attachments[i].store_op == VK_ATTACHMENT_STORE_OP_DONT_CARE) {
                    if (cb_data != dev_data->commandBufferMap.end()) {
                        std::function<VkBool32()> function = [=]() {
                            set_memory_valid(dev_data, fb_info.mem, false, fb_info.image);
                            return VK_FALSE;
                        };
                        cb_data->second->validate_functions.push_back(function);
                    }
                }
            }
        }
    }
#endif
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    TransitionFinalSubpassLayouts(commandBuffer, &dev_data->renderPassBeginInfo);
    if (pCB) {
        skipCall |= outsideRenderPass(dev_data, pCB, "vkCmdEndRenderpass");
        skipCall |= validatePrimaryCommandBuffer(dev_data, pCB, "vkCmdEndRenderPass");
        skipCall |= addCmd(dev_data, pCB, CMD_ENDRENDERPASS, "vkCmdEndRenderPass()");
        TransitionFinalSubpassLayouts(commandBuffer, &pCB->activeRenderPassBeginInfo);
        pCB->activeRenderPass = 0;
        pCB->activeSubpass = 0;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdEndRenderPass(commandBuffer);
}

bool logInvalidAttachmentMessage(layer_data *dev_data, VkCommandBuffer secondaryBuffer, VkRenderPass secondaryPass,
                                 VkRenderPass primaryPass, uint32_t primaryAttach, uint32_t secondaryAttach, const char *msg) {
    return log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                   DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                   "vkCmdExecuteCommands() called w/ invalid Cmd Buffer %p which has a render pass %" PRIx64
                   " that is not compatible with the current render pass %" PRIx64 "."
                   "Attachment %" PRIu32 " is not compatible with %" PRIu32 ". %s",
                   (void *)secondaryBuffer, (uint64_t)(secondaryPass), (uint64_t)(primaryPass), primaryAttach, secondaryAttach,
                   msg);
}

bool validateAttachmentCompatibility(layer_data *dev_data, VkCommandBuffer primaryBuffer, VkRenderPass primaryPass,
                                     uint32_t primaryAttach, VkCommandBuffer secondaryBuffer, VkRenderPass secondaryPass,
                                     uint32_t secondaryAttach, bool is_multi) {
    bool skip_call = false;
    auto primary_data = dev_data->renderPassMap.find(primaryPass);
    auto secondary_data = dev_data->renderPassMap.find(secondaryPass);
    if (primary_data->second->pCreateInfo->attachmentCount <= primaryAttach) {
        primaryAttach = VK_ATTACHMENT_UNUSED;
    }
    if (secondary_data->second->pCreateInfo->attachmentCount <= secondaryAttach) {
        secondaryAttach = VK_ATTACHMENT_UNUSED;
    }
    if (primaryAttach == VK_ATTACHMENT_UNUSED && secondaryAttach == VK_ATTACHMENT_UNUSED) {
        return skip_call;
    }
    if (primaryAttach == VK_ATTACHMENT_UNUSED) {
        skip_call |= logInvalidAttachmentMessage(dev_data, secondaryBuffer, secondaryPass, primaryPass, primaryAttach,
                                                 secondaryAttach, "The first is unused while the second is not.");
        return skip_call;
    }
    if (secondaryAttach == VK_ATTACHMENT_UNUSED) {
        skip_call |= logInvalidAttachmentMessage(dev_data, secondaryBuffer, secondaryPass, primaryPass, primaryAttach,
                                                 secondaryAttach, "The second is unused while the first is not.");
        return skip_call;
    }
    if (primary_data->second->pCreateInfo->pAttachments[primaryAttach].format !=
        secondary_data->second->pCreateInfo->pAttachments[secondaryAttach].format) {
        skip_call |= logInvalidAttachmentMessage(dev_data, secondaryBuffer, secondaryPass, primaryPass, primaryAttach,
                                                 secondaryAttach, "They have different formats.");
    }
    if (primary_data->second->pCreateInfo->pAttachments[primaryAttach].samples !=
        secondary_data->second->pCreateInfo->pAttachments[secondaryAttach].samples) {
        skip_call |= logInvalidAttachmentMessage(dev_data, secondaryBuffer, secondaryPass, primaryPass, primaryAttach,
                                                 secondaryAttach, "They have different samples.");
    }
    if (is_multi &&
        primary_data->second->pCreateInfo->pAttachments[primaryAttach].flags !=
            secondary_data->second->pCreateInfo->pAttachments[secondaryAttach].flags) {
        skip_call |= logInvalidAttachmentMessage(dev_data, secondaryBuffer, secondaryPass, primaryPass, primaryAttach,
                                                 secondaryAttach, "They have different flags.");
    }
    return skip_call;
}

bool validateSubpassCompatibility(layer_data *dev_data, VkCommandBuffer primaryBuffer, VkRenderPass primaryPass,
                                  VkCommandBuffer secondaryBuffer, VkRenderPass secondaryPass, const int subpass, bool is_multi) {
    bool skip_call = false;
    auto primary_data = dev_data->renderPassMap.find(primaryPass);
    auto secondary_data = dev_data->renderPassMap.find(secondaryPass);
    const VkSubpassDescription &primary_desc = primary_data->second->pCreateInfo->pSubpasses[subpass];
    const VkSubpassDescription &secondary_desc = secondary_data->second->pCreateInfo->pSubpasses[subpass];
    uint32_t maxInputAttachmentCount = std::max(primary_desc.inputAttachmentCount, secondary_desc.inputAttachmentCount);
    for (uint32_t i = 0; i < maxInputAttachmentCount; ++i) {
        uint32_t primary_input_attach = VK_ATTACHMENT_UNUSED, secondary_input_attach = VK_ATTACHMENT_UNUSED;
        if (i < primary_desc.inputAttachmentCount) {
            primary_input_attach = primary_desc.pInputAttachments[i].attachment;
        }
        if (i < secondary_desc.inputAttachmentCount) {
            secondary_input_attach = secondary_desc.pInputAttachments[i].attachment;
        }
        skip_call |= validateAttachmentCompatibility(dev_data, primaryBuffer, primaryPass, primary_input_attach, secondaryBuffer,
                                                     secondaryPass, secondary_input_attach, is_multi);
    }
    uint32_t maxColorAttachmentCount = std::max(primary_desc.colorAttachmentCount, secondary_desc.colorAttachmentCount);
    for (uint32_t i = 0; i < maxColorAttachmentCount; ++i) {
        uint32_t primary_color_attach = VK_ATTACHMENT_UNUSED, secondary_color_attach = VK_ATTACHMENT_UNUSED;
        if (i < primary_desc.colorAttachmentCount) {
            primary_color_attach = primary_desc.pColorAttachments[i].attachment;
        }
        if (i < secondary_desc.colorAttachmentCount) {
            secondary_color_attach = secondary_desc.pColorAttachments[i].attachment;
        }
        skip_call |= validateAttachmentCompatibility(dev_data, primaryBuffer, primaryPass, primary_color_attach, secondaryBuffer,
                                                     secondaryPass, secondary_color_attach, is_multi);
        uint32_t primary_resolve_attach = VK_ATTACHMENT_UNUSED, secondary_resolve_attach = VK_ATTACHMENT_UNUSED;
        if (i < primary_desc.colorAttachmentCount && primary_desc.pResolveAttachments) {
            primary_resolve_attach = primary_desc.pResolveAttachments[i].attachment;
        }
        if (i < secondary_desc.colorAttachmentCount && secondary_desc.pResolveAttachments) {
            secondary_resolve_attach = secondary_desc.pResolveAttachments[i].attachment;
        }
        skip_call |= validateAttachmentCompatibility(dev_data, primaryBuffer, primaryPass, primary_resolve_attach, secondaryBuffer,
                                                     secondaryPass, secondary_resolve_attach, is_multi);
    }
    uint32_t primary_depthstencil_attach = VK_ATTACHMENT_UNUSED, secondary_depthstencil_attach = VK_ATTACHMENT_UNUSED;
    if (primary_desc.pDepthStencilAttachment) {
        primary_depthstencil_attach = primary_desc.pDepthStencilAttachment[0].attachment;
    }
    if (secondary_desc.pDepthStencilAttachment) {
        secondary_depthstencil_attach = secondary_desc.pDepthStencilAttachment[0].attachment;
    }
    skip_call |= validateAttachmentCompatibility(dev_data, primaryBuffer, primaryPass, primary_depthstencil_attach, secondaryBuffer,
                                                 secondaryPass, secondary_depthstencil_attach, is_multi);
    return skip_call;
}

bool validateRenderPassCompatibility(layer_data *dev_data, VkCommandBuffer primaryBuffer, VkRenderPass primaryPass,
                                     VkCommandBuffer secondaryBuffer, VkRenderPass secondaryPass) {
    bool skip_call = false;
    // Early exit if renderPass objects are identical (and therefore compatible)
    if (primaryPass == secondaryPass)
        return skip_call;
    auto primary_data = dev_data->renderPassMap.find(primaryPass);
    auto secondary_data = dev_data->renderPassMap.find(secondaryPass);
    if (primary_data == dev_data->renderPassMap.end() || primary_data->second == nullptr) {
        skip_call |=
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                    DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                    "vkCmdExecuteCommands() called w/ invalid current Cmd Buffer %p which has invalid render pass %" PRIx64 ".",
                    (void *)primaryBuffer, (uint64_t)(primaryPass));
        return skip_call;
    }
    if (secondary_data == dev_data->renderPassMap.end() || secondary_data->second == nullptr) {
        skip_call |=
            log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                    DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                    "vkCmdExecuteCommands() called w/ invalid secondary Cmd Buffer %p which has invalid render pass %" PRIx64 ".",
                    (void *)secondaryBuffer, (uint64_t)(secondaryPass));
        return skip_call;
    }
    if (primary_data->second->pCreateInfo->subpassCount != secondary_data->second->pCreateInfo->subpassCount) {
        skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                             DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                             "vkCmdExecuteCommands() called w/ invalid Cmd Buffer %p which has a render pass %" PRIx64
                             " that is not compatible with the current render pass %" PRIx64 "."
                             "They have a different number of subpasses.",
                             (void *)secondaryBuffer, (uint64_t)(secondaryPass), (uint64_t)(primaryPass));
        return skip_call;
    }
    bool is_multi = primary_data->second->pCreateInfo->subpassCount > 1;
    for (uint32_t i = 0; i < primary_data->second->pCreateInfo->subpassCount; ++i) {
        skip_call |=
            validateSubpassCompatibility(dev_data, primaryBuffer, primaryPass, secondaryBuffer, secondaryPass, i, is_multi);
    }
    return skip_call;
}

bool validateFramebuffer(layer_data *dev_data, VkCommandBuffer primaryBuffer, const GLOBAL_CB_NODE *pCB,
                         VkCommandBuffer secondaryBuffer, const GLOBAL_CB_NODE *pSubCB) {
    bool skip_call = false;
    if (!pSubCB->beginInfo.pInheritanceInfo) {
        return skip_call;
    }
    VkFramebuffer primary_fb = pCB->framebuffer;
    VkFramebuffer secondary_fb = pSubCB->beginInfo.pInheritanceInfo->framebuffer;
    if (secondary_fb != VK_NULL_HANDLE) {
        if (primary_fb != secondary_fb) {
            skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                                 DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                                 "vkCmdExecuteCommands() called w/ invalid Cmd Buffer %p which has a framebuffer %" PRIx64
                                 " that is not compatible with the current framebuffer %" PRIx64 ".",
                                 (void *)secondaryBuffer, (uint64_t)(secondary_fb), (uint64_t)(primary_fb));
        }
        auto fb_data = dev_data->frameBufferMap.find(secondary_fb);
        if (fb_data == dev_data->frameBufferMap.end()) {
            skip_call |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS", "vkCmdExecuteCommands() called w/ invalid Cmd Buffer %p "
                                                                          "which has invalid framebuffer %" PRIx64 ".",
                        (void *)secondaryBuffer, (uint64_t)(secondary_fb));
            return skip_call;
        }
        skip_call |= validateRenderPassCompatibility(dev_data, secondaryBuffer, fb_data->second.createInfo.renderPass,
                                                     secondaryBuffer, pSubCB->beginInfo.pInheritanceInfo->renderPass);
    }
    return skip_call;
}

bool validateSecondaryCommandBufferState(layer_data *dev_data, GLOBAL_CB_NODE *pCB, GLOBAL_CB_NODE *pSubCB) {
    bool skipCall = false;
    unordered_set<int> activeTypes;
    for (auto queryObject : pCB->activeQueries) {
        auto queryPoolData = dev_data->queryPoolMap.find(queryObject.pool);
        if (queryPoolData != dev_data->queryPoolMap.end()) {
            if (queryPoolData->second.createInfo.queryType == VK_QUERY_TYPE_PIPELINE_STATISTICS &&
                pSubCB->beginInfo.pInheritanceInfo) {
                VkQueryPipelineStatisticFlags cmdBufStatistics = pSubCB->beginInfo.pInheritanceInfo->pipelineStatistics;
                if ((cmdBufStatistics & queryPoolData->second.createInfo.pipelineStatistics) != cmdBufStatistics) {
                    skipCall |= log_msg(
                        dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                        "vkCmdExecuteCommands() called w/ invalid Cmd Buffer %p "
                        "which has invalid active query pool %" PRIx64 ". Pipeline statistics is being queried so the command "
                        "buffer must have all bits set on the queryPool.",
                        reinterpret_cast<void *>(pCB->commandBuffer), reinterpret_cast<const uint64_t &>(queryPoolData->first));
                }
            }
            activeTypes.insert(queryPoolData->second.createInfo.queryType);
        }
    }
    for (auto queryObject : pSubCB->startedQueries) {
        auto queryPoolData = dev_data->queryPoolMap.find(queryObject.pool);
        if (queryPoolData != dev_data->queryPoolMap.end() && activeTypes.count(queryPoolData->second.createInfo.queryType)) {
            skipCall |=
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                        DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                        "vkCmdExecuteCommands() called w/ invalid Cmd Buffer %p "
                        "which has invalid active query pool %" PRIx64 "of type %d but a query of that type has been started on "
                        "secondary Cmd Buffer %p.",
                        reinterpret_cast<void *>(pCB->commandBuffer), reinterpret_cast<const uint64_t &>(queryPoolData->first),
                        queryPoolData->second.createInfo.queryType, reinterpret_cast<void *>(pSubCB->commandBuffer));
        }
    }
    return skipCall;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkCmdExecuteCommands(VkCommandBuffer commandBuffer, uint32_t commandBuffersCount, const VkCommandBuffer *pCommandBuffers) {
    VkBool32 skipCall = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    GLOBAL_CB_NODE *pCB = getCBNode(dev_data, commandBuffer);
    if (pCB) {
        GLOBAL_CB_NODE *pSubCB = NULL;
        for (uint32_t i = 0; i < commandBuffersCount; i++) {
            pSubCB = getCBNode(dev_data, pCommandBuffers[i]);
            if (!pSubCB) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                            DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                            "vkCmdExecuteCommands() called w/ invalid Cmd Buffer %p in element %u of pCommandBuffers array.",
                            (void *)pCommandBuffers[i], i);
            } else if (VK_COMMAND_BUFFER_LEVEL_PRIMARY == pSubCB->createInfo.level) {
                skipCall |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                    __LINE__, DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                                    "vkCmdExecuteCommands() called w/ Primary Cmd Buffer %p in element %u of pCommandBuffers "
                                    "array. All cmd buffers in pCommandBuffers array must be secondary.",
                                    (void *)pCommandBuffers[i], i);
            } else if (pCB->activeRenderPass) { // Secondary CB w/i RenderPass must have *CONTINUE_BIT set
                if (!(pSubCB->beginInfo.flags & VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT)) {
                    skipCall |= log_msg(
                        dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        (uint64_t)pCommandBuffers[i], __LINE__, DRAWSTATE_BEGIN_CB_INVALID_STATE, "DS",
                        "vkCmdExecuteCommands(): Secondary Command Buffer (%p) executed within render pass (%#" PRIxLEAST64
                        ") must have had vkBeginCommandBuffer() called w/ VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT set.",
                        (void *)pCommandBuffers[i], (uint64_t)pCB->activeRenderPass);
                } else {
                    // Make sure render pass is compatible with parent command buffer pass if has continue
                    skipCall |= validateRenderPassCompatibility(dev_data, commandBuffer, pCB->activeRenderPass, pCommandBuffers[i],
                                                                pSubCB->beginInfo.pInheritanceInfo->renderPass);
                    skipCall |= validateFramebuffer(dev_data, commandBuffer, pCB, pCommandBuffers[i], pSubCB);
                }
                string errorString = "";
                if (!verify_renderpass_compatibility(dev_data, pCB->activeRenderPass,
                                                     pSubCB->beginInfo.pInheritanceInfo->renderPass, errorString)) {
                    skipCall |= log_msg(
                        dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        (uint64_t)pCommandBuffers[i], __LINE__, DRAWSTATE_RENDERPASS_INCOMPATIBLE, "DS",
                        "vkCmdExecuteCommands(): Secondary Command Buffer (%p) w/ render pass (%#" PRIxLEAST64
                        ") is incompatible w/ primary command buffer (%p) w/ render pass (%#" PRIxLEAST64 ") due to: %s",
                        (void *)pCommandBuffers[i], (uint64_t)pSubCB->beginInfo.pInheritanceInfo->renderPass, (void *)commandBuffer,
                        (uint64_t)pCB->activeRenderPass, errorString.c_str());
                }
                //  If framebuffer for secondary CB is not NULL, then it must match FB from vkCmdBeginRenderPass()
                //   that this CB will be executed in AND framebuffer must have been created w/ RP compatible w/ renderpass
                if (pSubCB->beginInfo.pInheritanceInfo->framebuffer) {
                    if (pSubCB->beginInfo.pInheritanceInfo->framebuffer != pCB->activeRenderPassBeginInfo.framebuffer) {
                        skipCall |= log_msg(
                            dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            (uint64_t)pCommandBuffers[i], __LINE__, DRAWSTATE_FRAMEBUFFER_INCOMPATIBLE, "DS",
                            "vkCmdExecuteCommands(): Secondary Command Buffer (%p) references framebuffer (%#" PRIxLEAST64
                            ") that does not match framebuffer (%#" PRIxLEAST64 ") in active renderpass (%#" PRIxLEAST64 ").",
                            (void *)pCommandBuffers[i], (uint64_t)pSubCB->beginInfo.pInheritanceInfo->framebuffer,
                            (uint64_t)pCB->activeRenderPassBeginInfo.framebuffer, (uint64_t)pCB->activeRenderPass);
                    }
                }
            }
            // TODO(mlentine): Move more logic into this method
            skipCall |= validateSecondaryCommandBufferState(dev_data, pCB, pSubCB);
            skipCall |= validateCommandBufferState(dev_data, pSubCB);
            // Secondary cmdBuffers are considered pending execution starting w/
            // being recorded
            if (!(pSubCB->beginInfo.flags & VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT)) {
                if (dev_data->globalInFlightCmdBuffers.find(pSubCB->commandBuffer) != dev_data->globalInFlightCmdBuffers.end()) {
                    skipCall |= log_msg(
                        dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        (uint64_t)(pCB->commandBuffer), __LINE__, DRAWSTATE_INVALID_CB_SIMULTANEOUS_USE, "DS",
                        "Attempt to simultaneously execute CB %#" PRIxLEAST64 " w/o VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT "
                        "set!",
                        (uint64_t)(pCB->commandBuffer));
                }
                if (pCB->beginInfo.flags & VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT) {
                    // Warn that non-simultaneous secondary cmd buffer renders primary non-simultaneous
                    skipCall |= log_msg(
                        dev_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                        (uint64_t)(pCommandBuffers[i]), __LINE__, DRAWSTATE_INVALID_CB_SIMULTANEOUS_USE, "DS",
                        "vkCmdExecuteCommands(): Secondary Command Buffer (%#" PRIxLEAST64
                        ") does not have VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT set and will cause primary command buffer "
                        "(%#" PRIxLEAST64 ") to be treated as if it does not have VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT "
                                          "set, even though it does.",
                        (uint64_t)(pCommandBuffers[i]), (uint64_t)(pCB->commandBuffer));
                    pCB->beginInfo.flags &= ~VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
                }
            }
            if (!pCB->activeQueries.empty() && !dev_data->physDevProperties.features.inheritedQueries) {
                skipCall |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                            reinterpret_cast<uint64_t>(pCommandBuffers[i]), __LINE__, DRAWSTATE_INVALID_COMMAND_BUFFER, "DS",
                            "vkCmdExecuteCommands(): Secondary Command Buffer "
                            "(%#" PRIxLEAST64 ") cannot be submitted with a query in "
                            "flight and inherited queries not "
                            "supported on this device.",
                            reinterpret_cast<uint64_t>(pCommandBuffers[i]));
            }
            pSubCB->primaryCommandBuffer = pCB->commandBuffer;
            pCB->secondaryCommandBuffers.insert(pSubCB->commandBuffer);
            dev_data->globalInFlightCmdBuffers.insert(pSubCB->commandBuffer);
        }
        skipCall |= validatePrimaryCommandBuffer(dev_data, pCB, "vkCmdExecuteComands");
        skipCall |= addCmd(dev_data, pCB, CMD_EXECUTECOMMANDS, "vkCmdExecuteComands()");
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall)
        dev_data->device_dispatch_table->CmdExecuteCommands(commandBuffer, commandBuffersCount, pCommandBuffers);
}

VkBool32 ValidateMapImageLayouts(VkDevice device, VkDeviceMemory mem) {
    VkBool32 skip_call = VK_FALSE;
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    auto mem_data = dev_data->memObjMap.find(mem);
    if ((mem_data != dev_data->memObjMap.end()) && (mem_data->second.image != VK_NULL_HANDLE)) {
        std::vector<VkImageLayout> layouts;
        if (FindLayouts(dev_data, mem_data->second.image, layouts)) {
            for (auto layout : layouts) {
                if (layout != VK_IMAGE_LAYOUT_PREINITIALIZED && layout != VK_IMAGE_LAYOUT_GENERAL) {
                    skip_call |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0,
                                         __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS", "Cannot map an image with layout %s. Only "
                                                                                         "GENERAL or PREINITIALIZED are supported.",
                                         string_VkImageLayout(layout));
                }
            }
        }
    }
    return skip_call;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkMapMemory(VkDevice device, VkDeviceMemory mem, VkDeviceSize offset, VkDeviceSize size, VkFlags flags, void **ppData) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    VkBool32 skip_call = VK_FALSE;
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    loader_platform_thread_lock_mutex(&globalLock);
#if MTMERGESOURCE
    DEVICE_MEM_INFO *pMemObj = get_mem_obj_info(dev_data, mem);
    if (pMemObj) {
        pMemObj->valid = true;
        if ((memProps.memoryTypes[pMemObj->allocInfo.memoryTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) {
            skip_call =
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                        (uint64_t)mem, __LINE__, MEMTRACK_INVALID_STATE, "MEM",
                        "Mapping Memory without VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT set: mem obj %#" PRIxLEAST64, (uint64_t)mem);
        }
    }
    skip_call |= validateMemRange(dev_data, mem, offset, size);
    storeMemRanges(dev_data, mem, offset, size);
#endif
    skip_call |= ValidateMapImageLayouts(device, mem);
    loader_platform_thread_unlock_mutex(&globalLock);

    if (VK_FALSE == skip_call) {
        result = dev_data->device_dispatch_table->MapMemory(device, mem, offset, size, flags, ppData);
#if MTMERGESOURCE
        loader_platform_thread_lock_mutex(&globalLock);
        initializeAndTrackMemory(dev_data, mem, size, ppData);
        loader_platform_thread_unlock_mutex(&globalLock);
#endif
    }
    return result;
}

#if MTMERGESOURCE
VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkUnmapMemory(VkDevice device, VkDeviceMemory mem) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkBool32 skipCall = VK_FALSE;

    loader_platform_thread_lock_mutex(&globalLock);
    skipCall |= deleteMemRanges(my_data, mem);
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall) {
        my_data->device_dispatch_table->UnmapMemory(device, mem);
    }
}

VkBool32 validateMemoryIsMapped(layer_data *my_data, const char *funcName, uint32_t memRangeCount,
                                const VkMappedMemoryRange *pMemRanges) {
    VkBool32 skipCall = VK_FALSE;
    for (uint32_t i = 0; i < memRangeCount; ++i) {
        auto mem_element = my_data->memObjMap.find(pMemRanges[i].memory);
        if (mem_element != my_data->memObjMap.end()) {
            if (mem_element->second.memRange.offset > pMemRanges[i].offset) {
                skipCall |= log_msg(
                    my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                    (uint64_t)pMemRanges[i].memory, __LINE__, MEMTRACK_INVALID_MAP, "MEM",
                    "%s: Flush/Invalidate offset (" PRINTF_SIZE_T_SPECIFIER ") is less than Memory Object's offset "
                    "(" PRINTF_SIZE_T_SPECIFIER ").",
                    funcName, static_cast<size_t>(pMemRanges[i].offset), static_cast<size_t>(mem_element->second.memRange.offset));
            }
            if ((mem_element->second.memRange.size != VK_WHOLE_SIZE) &&
                ((mem_element->second.memRange.offset + mem_element->second.memRange.size) <
                 (pMemRanges[i].offset + pMemRanges[i].size))) {
                skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                    VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, (uint64_t)pMemRanges[i].memory, __LINE__,
                                    MEMTRACK_INVALID_MAP, "MEM", "%s: Flush/Invalidate upper-bound (" PRINTF_SIZE_T_SPECIFIER
                                                                 ") exceeds the Memory Object's upper-bound "
                                                                 "(" PRINTF_SIZE_T_SPECIFIER ").",
                                    funcName, static_cast<size_t>(pMemRanges[i].offset + pMemRanges[i].size),
                                    static_cast<size_t>(mem_element->second.memRange.offset + mem_element->second.memRange.size));
            }
        }
    }
    return skipCall;
}

VkBool32 validateAndCopyNoncoherentMemoryToDriver(layer_data *my_data, uint32_t memRangeCount,
                                                  const VkMappedMemoryRange *pMemRanges) {
    VkBool32 skipCall = VK_FALSE;
    for (uint32_t i = 0; i < memRangeCount; ++i) {
        auto mem_element = my_data->memObjMap.find(pMemRanges[i].memory);
        if (mem_element != my_data->memObjMap.end()) {
            if (mem_element->second.pData) {
                VkDeviceSize size = mem_element->second.memRange.size;
                VkDeviceSize half_size = (size / 2);
                char *data = static_cast<char *>(mem_element->second.pData);
                for (auto j = 0; j < half_size; ++j) {
                    if (data[j] != NoncoherentMemoryFillValue) {
                        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, (uint64_t)pMemRanges[i].memory, __LINE__,
                                            MEMTRACK_INVALID_MAP, "MEM", "Memory overflow was detected on mem obj %" PRIxLEAST64,
                                            (uint64_t)pMemRanges[i].memory);
                    }
                }
                for (auto j = size + half_size; j < 2 * size; ++j) {
                    if (data[j] != NoncoherentMemoryFillValue) {
                        skipCall |= log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                            VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT, (uint64_t)pMemRanges[i].memory, __LINE__,
                                            MEMTRACK_INVALID_MAP, "MEM", "Memory overflow was detected on mem obj %" PRIxLEAST64,
                                            (uint64_t)pMemRanges[i].memory);
                    }
                }
                memcpy(mem_element->second.pDriverData, static_cast<void *>(data + (size_t)(half_size)), (size_t)(size));
            }
        }
    }
    return skipCall;
}

VK_LAYER_EXPORT VkResult VKAPI_CALL
vkFlushMappedMemoryRanges(VkDevice device, uint32_t memRangeCount, const VkMappedMemoryRange *pMemRanges) {
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    VkBool32 skipCall = VK_FALSE;
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    loader_platform_thread_lock_mutex(&globalLock);
    skipCall |= validateAndCopyNoncoherentMemoryToDriver(my_data, memRangeCount, pMemRanges);
    skipCall |= validateMemoryIsMapped(my_data, "vkFlushMappedMemoryRanges", memRangeCount, pMemRanges);
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall) {
        result = my_data->device_dispatch_table->FlushMappedMemoryRanges(device, memRangeCount, pMemRanges);
    }
    return result;
}

VK_LAYER_EXPORT VkResult VKAPI_CALL
vkInvalidateMappedMemoryRanges(VkDevice device, uint32_t memRangeCount, const VkMappedMemoryRange *pMemRanges) {
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    VkBool32 skipCall = VK_FALSE;
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);

    loader_platform_thread_lock_mutex(&globalLock);
    skipCall |= validateMemoryIsMapped(my_data, "vkInvalidateMappedMemoryRanges", memRangeCount, pMemRanges);
    loader_platform_thread_unlock_mutex(&globalLock);
    if (VK_FALSE == skipCall) {
        result = my_data->device_dispatch_table->InvalidateMappedMemoryRanges(device, memRangeCount, pMemRanges);
    }
    return result;
}
#endif

VKAPI_ATTR VkResult VKAPI_CALL vkBindImageMemory(VkDevice device, VkImage image, VkDeviceMemory mem, VkDeviceSize memoryOffset) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    VkBool32 skipCall = VK_FALSE;
#if MTMERGESOURCE
    loader_platform_thread_lock_mutex(&globalLock);
    // Track objects tied to memory
    uint64_t image_handle = (uint64_t)(image);
    skipCall =
        set_mem_binding(dev_data, device, mem, image_handle, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, "vkBindImageMemory");
    add_object_binding_info(dev_data, image_handle, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, mem);
    {
        VkMemoryRequirements memRequirements;
        vkGetImageMemoryRequirements(device, image, &memRequirements);
        skipCall |= validate_buffer_image_aliasing(dev_data, image_handle, mem, memoryOffset, memRequirements,
                                                   dev_data->memObjMap[mem].imageRanges, dev_data->memObjMap[mem].bufferRanges,
                                                   VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT);
    }
    print_mem_list(dev_data, device);
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
    if (VK_FALSE == skipCall) {
        result = dev_data->device_dispatch_table->BindImageMemory(device, image, mem, memoryOffset);
        VkMemoryRequirements memRequirements;
        dev_data->device_dispatch_table->GetImageMemoryRequirements(device, image, &memRequirements);
        loader_platform_thread_lock_mutex(&globalLock);
        dev_data->memObjMap[mem].image = image;
        dev_data->imageMap[image].mem = mem;
        dev_data->imageMap[image].memOffset = memoryOffset;
        dev_data->imageMap[image].memSize = memRequirements.size;
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VKAPI_ATTR VkResult VKAPI_CALL vkSetEvent(VkDevice device, VkEvent event) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    loader_platform_thread_lock_mutex(&globalLock);
    dev_data->eventMap[event].needsSignaled = false;
    dev_data->eventMap[event].stageMask = VK_PIPELINE_STAGE_HOST_BIT;
    loader_platform_thread_unlock_mutex(&globalLock);
    VkResult result = dev_data->device_dispatch_table->SetEvent(device, event);
    return result;
}

VKAPI_ATTR VkResult VKAPI_CALL
vkQueueBindSparse(VkQueue queue, uint32_t bindInfoCount, const VkBindSparseInfo *pBindInfo, VkFence fence) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(queue), layer_data_map);
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    VkBool32 skip_call = VK_FALSE;
#if MTMERGESOURCE
    //MTMTODO : Merge this code with the checks below
    loader_platform_thread_lock_mutex(&globalLock);

    for (uint32_t i = 0; i < bindInfoCount; i++) {
        const VkBindSparseInfo *bindInfo = &pBindInfo[i];
        // Track objects tied to memory
        for (uint32_t j = 0; j < bindInfo->bufferBindCount; j++) {
            for (uint32_t k = 0; k < bindInfo->pBufferBinds[j].bindCount; k++) {
                if (set_sparse_mem_binding(dev_data, queue, bindInfo->pBufferBinds[j].pBinds[k].memory,
                                           (uint64_t)bindInfo->pBufferBinds[j].buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT,
                                           "vkQueueBindSparse"))
                    skip_call = VK_TRUE;
            }
        }
        for (uint32_t j = 0; j < bindInfo->imageOpaqueBindCount; j++) {
            for (uint32_t k = 0; k < bindInfo->pImageOpaqueBinds[j].bindCount; k++) {
                if (set_sparse_mem_binding(dev_data, queue, bindInfo->pImageOpaqueBinds[j].pBinds[k].memory,
                                           (uint64_t)bindInfo->pImageOpaqueBinds[j].image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                           "vkQueueBindSparse"))
                    skip_call = VK_TRUE;
            }
        }
        for (uint32_t j = 0; j < bindInfo->imageBindCount; j++) {
            for (uint32_t k = 0; k < bindInfo->pImageBinds[j].bindCount; k++) {
                if (set_sparse_mem_binding(dev_data, queue, bindInfo->pImageBinds[j].pBinds[k].memory,
                                           (uint64_t)bindInfo->pImageBinds[j].image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                           "vkQueueBindSparse"))
                    skip_call = VK_TRUE;
            }
        }
        // Validate semaphore state
        for (uint32_t i = 0; i < bindInfo->waitSemaphoreCount; i++) {
            VkSemaphore sem = bindInfo->pWaitSemaphores[i];

            if (dev_data->semaphoreMap.find(sem) != dev_data->semaphoreMap.end()) {
                if (dev_data->semaphoreMap[sem].state != MEMTRACK_SEMAPHORE_STATE_SIGNALLED) {
                    skip_call =
                        log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SEMAPHORE_EXT,
                                (uint64_t)sem, __LINE__, MEMTRACK_NONE, "SEMAPHORE",
                                "vkQueueBindSparse: Semaphore must be in signaled state before passing to pWaitSemaphores");
                }
                dev_data->semaphoreMap[sem].state = MEMTRACK_SEMAPHORE_STATE_WAIT;
            }
        }
        for (uint32_t i = 0; i < bindInfo->signalSemaphoreCount; i++) {
            VkSemaphore sem = bindInfo->pSignalSemaphores[i];

            if (dev_data->semaphoreMap.find(sem) != dev_data->semaphoreMap.end()) {
                if (dev_data->semaphoreMap[sem].state != MEMTRACK_SEMAPHORE_STATE_UNSET) {
                    skip_call =
                        log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SEMAPHORE_EXT,
                                (uint64_t)sem, __LINE__, MEMTRACK_NONE, "SEMAPHORE",
                                "vkQueueBindSparse: Semaphore must not be currently signaled or in a wait state");
                }
                dev_data->semaphoreMap[sem].state = MEMTRACK_SEMAPHORE_STATE_SIGNALLED;
            }
        }
    }

    print_mem_list(dev_data, queue);
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
    loader_platform_thread_lock_mutex(&globalLock);
    for (uint32_t bindIdx = 0; bindIdx < bindInfoCount; ++bindIdx) {
        const VkBindSparseInfo &bindInfo = pBindInfo[bindIdx];
        for (uint32_t i = 0; i < bindInfo.waitSemaphoreCount; ++i) {
            if (dev_data->semaphoreMap[bindInfo.pWaitSemaphores[i]].signaled) {
                dev_data->semaphoreMap[bindInfo.pWaitSemaphores[i]].signaled = 0;
            } else {
                skip_call |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                            __LINE__, DRAWSTATE_QUEUE_FORWARD_PROGRESS, "DS",
                            "Queue %#" PRIx64 " is waiting on semaphore %#" PRIx64 " that has no way to be signaled.",
                            (uint64_t)(queue), (uint64_t)(bindInfo.pWaitSemaphores[i]));
            }
        }
        for (uint32_t i = 0; i < bindInfo.signalSemaphoreCount; ++i) {
            dev_data->semaphoreMap[bindInfo.pSignalSemaphores[i]].signaled = 1;
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);

    if (VK_FALSE == skip_call)
        return dev_data->device_dispatch_table->QueueBindSparse(queue, bindInfoCount, pBindInfo, fence);
#if MTMERGESOURCE
    // Update semaphore state
    loader_platform_thread_lock_mutex(&globalLock);
    for (uint32_t bind_info_idx = 0; bind_info_idx < bindInfoCount; bind_info_idx++) {
        const VkBindSparseInfo *bindInfo = &pBindInfo[bind_info_idx];
        for (uint32_t i = 0; i < bindInfo->waitSemaphoreCount; i++) {
            VkSemaphore sem = bindInfo->pWaitSemaphores[i];

            if (dev_data->semaphoreMap.find(sem) != dev_data->semaphoreMap.end()) {
                dev_data->semaphoreMap[sem].state = MEMTRACK_SEMAPHORE_STATE_UNSET;
            }
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
#endif

    return result;
}

VKAPI_ATTR VkResult VKAPI_CALL vkCreateSemaphore(VkDevice device, const VkSemaphoreCreateInfo *pCreateInfo,
                                                 const VkAllocationCallbacks *pAllocator, VkSemaphore *pSemaphore) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateSemaphore(device, pCreateInfo, pAllocator, pSemaphore);
    if (result == VK_SUCCESS) {
        loader_platform_thread_lock_mutex(&globalLock);
        SEMAPHORE_NODE* sNode = &dev_data->semaphoreMap[*pSemaphore];
        sNode->signaled = 0;
        sNode->queue = VK_NULL_HANDLE;
        sNode->in_use.store(0);
        sNode->state = MEMTRACK_SEMAPHORE_STATE_UNSET;
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VKAPI_ATTR VkResult VKAPI_CALL
vkCreateEvent(VkDevice device, const VkEventCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkEvent *pEvent) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateEvent(device, pCreateInfo, pAllocator, pEvent);
    if (result == VK_SUCCESS) {
        loader_platform_thread_lock_mutex(&globalLock);
        dev_data->eventMap[*pEvent].needsSignaled = false;
        dev_data->eventMap[*pEvent].in_use.store(0);
        dev_data->eventMap[*pEvent].stageMask = VkPipelineStageFlags(0);
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateSwapchainKHR(VkDevice device, const VkSwapchainCreateInfoKHR *pCreateInfo,
                                                                    const VkAllocationCallbacks *pAllocator,
                                                                    VkSwapchainKHR *pSwapchain) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->CreateSwapchainKHR(device, pCreateInfo, pAllocator, pSwapchain);

    if (VK_SUCCESS == result) {
        SWAPCHAIN_NODE *psc_node = new SWAPCHAIN_NODE(pCreateInfo);
        loader_platform_thread_lock_mutex(&globalLock);
        dev_data->device_extensions.swapchainMap[*pSwapchain] = psc_node;
        loader_platform_thread_unlock_mutex(&globalLock);
    }

    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDestroySwapchainKHR(VkDevice device, VkSwapchainKHR swapchain, const VkAllocationCallbacks *pAllocator) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    bool skipCall = false;

    loader_platform_thread_lock_mutex(&globalLock);
    auto swapchain_data = dev_data->device_extensions.swapchainMap.find(swapchain);
    if (swapchain_data != dev_data->device_extensions.swapchainMap.end()) {
        if (swapchain_data->second->images.size() > 0) {
            for (auto swapchain_image : swapchain_data->second->images) {
                auto image_sub = dev_data->imageSubresourceMap.find(swapchain_image);
                if (image_sub != dev_data->imageSubresourceMap.end()) {
                    for (auto imgsubpair : image_sub->second) {
                        auto image_item = dev_data->imageLayoutMap.find(imgsubpair);
                        if (image_item != dev_data->imageLayoutMap.end()) {
                            dev_data->imageLayoutMap.erase(image_item);
                        }
                    }
                    dev_data->imageSubresourceMap.erase(image_sub);
                }
#if MTMERGESOURCE
                skipCall = clear_object_binding(dev_data, device, (uint64_t)swapchain_image,
                                                VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT);
                dev_data->imageBindingMap.erase((uint64_t)swapchain_image);
#endif
            }
        }
        delete swapchain_data->second;
        dev_data->device_extensions.swapchainMap.erase(swapchain);
    }
    loader_platform_thread_unlock_mutex(&globalLock);
    if (!skipCall)
        dev_data->device_dispatch_table->DestroySwapchainKHR(device, swapchain, pAllocator);
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkGetSwapchainImagesKHR(VkDevice device, VkSwapchainKHR swapchain, uint32_t *pCount, VkImage *pSwapchainImages) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = dev_data->device_dispatch_table->GetSwapchainImagesKHR(device, swapchain, pCount, pSwapchainImages);

    if (result == VK_SUCCESS && pSwapchainImages != NULL) {
        // This should never happen and is checked by param checker.
        if (!pCount)
            return result;
        loader_platform_thread_lock_mutex(&globalLock);
        const size_t count = *pCount;
        auto swapchain_node = dev_data->device_extensions.swapchainMap[swapchain];
        if (!swapchain_node->images.empty()) {
            // TODO : Not sure I like the memcmp here, but it works
            const bool mismatch = (swapchain_node->images.size() != count ||
                                   memcmp(&swapchain_node->images[0], pSwapchainImages, sizeof(swapchain_node->images[0]) * count));
            if (mismatch) {
                // TODO: Verify against Valid Usage section of extension
                log_msg(dev_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT,
                        (uint64_t)swapchain, __LINE__, MEMTRACK_NONE, "SWAP_CHAIN",
                        "vkGetSwapchainInfoKHR(%" PRIu64
                        ", VK_SWAP_CHAIN_INFO_TYPE_PERSISTENT_IMAGES_KHR) returned mismatching data",
                        (uint64_t)(swapchain));
            }
        }
        for (uint32_t i = 0; i < *pCount; ++i) {
            IMAGE_LAYOUT_NODE image_layout_node;
            image_layout_node.layout = VK_IMAGE_LAYOUT_UNDEFINED;
            image_layout_node.format = swapchain_node->createInfo.imageFormat;
            dev_data->imageMap[pSwapchainImages[i]].createInfo.mipLevels = 1;
            dev_data->imageMap[pSwapchainImages[i]].createInfo.arrayLayers = swapchain_node->createInfo.imageArrayLayers;
            swapchain_node->images.push_back(pSwapchainImages[i]);
            ImageSubresourcePair subpair = {pSwapchainImages[i], false, VkImageSubresource()};
            dev_data->imageSubresourceMap[pSwapchainImages[i]].push_back(subpair);
            dev_data->imageLayoutMap[subpair] = image_layout_node;
            dev_data->device_extensions.imageToSwapchainMap[pSwapchainImages[i]] = swapchain;
        }
        if (!swapchain_node->images.empty()) {
            for (auto image : swapchain_node->images) {
                // Add image object binding, then insert the new Mem Object and then bind it to created image
#if MTMERGESOURCE
                add_object_create_info(dev_data, (uint64_t)image, VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT,
                                       &swapchain_node->createInfo);
#endif
            }
        }
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkQueuePresentKHR(VkQueue queue, const VkPresentInfoKHR *pPresentInfo) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(queue), layer_data_map);
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    bool skip_call = false;

    if (pPresentInfo) {
        loader_platform_thread_lock_mutex(&globalLock);
        for (uint32_t i = 0; i < pPresentInfo->waitSemaphoreCount; ++i) {
            if (dev_data->semaphoreMap[pPresentInfo->pWaitSemaphores[i]].signaled) {
                dev_data->semaphoreMap[pPresentInfo->pWaitSemaphores[i]].signaled = 0;
            } else {
                skip_call |=
                    log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, 0,
                            __LINE__, DRAWSTATE_QUEUE_FORWARD_PROGRESS, "DS",
                            "Queue %#" PRIx64 " is waiting on semaphore %#" PRIx64 " that has no way to be signaled.",
                            (uint64_t)(queue), (uint64_t)(pPresentInfo->pWaitSemaphores[i]));
            }
        }
        VkDeviceMemory mem;
        for (uint32_t i = 0; i < pPresentInfo->swapchainCount; ++i) {
            auto swapchain_data = dev_data->device_extensions.swapchainMap.find(pPresentInfo->pSwapchains[i]);
            if (swapchain_data != dev_data->device_extensions.swapchainMap.end() &&
                pPresentInfo->pImageIndices[i] < swapchain_data->second->images.size()) {
                VkImage image = swapchain_data->second->images[pPresentInfo->pImageIndices[i]];
#if MTMERGESOURCE
                skip_call |=
                    get_mem_binding_from_object(dev_data, queue, (uint64_t)(image), VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, &mem);
                skip_call |= validate_memory_is_valid(dev_data, mem, "vkQueuePresentKHR()", image);
#endif
                vector<VkImageLayout> layouts;
                if (FindLayouts(dev_data, image, layouts)) {
                    for (auto layout : layouts) {
                        if (layout != VK_IMAGE_LAYOUT_PRESENT_SRC_KHR) {
                            skip_call |=
                                log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_QUEUE_EXT,
                                        reinterpret_cast<uint64_t &>(queue), __LINE__, DRAWSTATE_INVALID_IMAGE_LAYOUT, "DS",
                                        "Images passed to present must be in layout "
                                        "PRESENT_SOURCE_KHR but is in %s",
                                        string_VkImageLayout(layout));
                        }
                    }
                }
            }
        }
        loader_platform_thread_unlock_mutex(&globalLock);
    }

    if (!skip_call)
        result = dev_data->device_dispatch_table->QueuePresentKHR(queue, pPresentInfo);
#if MTMERGESOURCE
    loader_platform_thread_lock_mutex(&globalLock);
    for (uint32_t i = 0; i < pPresentInfo->waitSemaphoreCount; i++) {
        VkSemaphore sem = pPresentInfo->pWaitSemaphores[i];
        if (dev_data->semaphoreMap.find(sem) != dev_data->semaphoreMap.end()) {
            dev_data->semaphoreMap[sem].state = MEMTRACK_SEMAPHORE_STATE_UNSET;
        }
    }
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
    return result;
}

VKAPI_ATTR VkResult VKAPI_CALL vkAcquireNextImageKHR(VkDevice device, VkSwapchainKHR swapchain, uint64_t timeout,
                                                     VkSemaphore semaphore, VkFence fence, uint32_t *pImageIndex) {
    layer_data *dev_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
    VkResult result = VK_ERROR_VALIDATION_FAILED_EXT;
    bool skipCall = false;
#if MTMERGESOURCE
    loader_platform_thread_lock_mutex(&globalLock);
    if (semaphore != VK_NULL_HANDLE &&
        dev_data->semaphoreMap.find(semaphore) != dev_data->semaphoreMap.end()) {
        if (dev_data->semaphoreMap[semaphore].state != MEMTRACK_SEMAPHORE_STATE_UNSET) {
            skipCall = log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_SEMAPHORE_EXT,
                               (uint64_t)semaphore, __LINE__, MEMTRACK_NONE, "SEMAPHORE",
                               "vkAcquireNextImageKHR: Semaphore must not be currently signaled or in a wait state");
        }
        dev_data->semaphoreMap[semaphore].state = MEMTRACK_SEMAPHORE_STATE_SIGNALLED;
        dev_data->semaphoreMap[semaphore].in_use.fetch_add(1);
    }
    auto fence_data = dev_data->fenceMap.find(fence);
    if (fence_data != dev_data->fenceMap.end()) {
        fence_data->second.swapchain = swapchain;
    }
    loader_platform_thread_unlock_mutex(&globalLock);
#endif
    if (!skipCall) {
        result =
            dev_data->device_dispatch_table->AcquireNextImageKHR(device, swapchain, timeout, semaphore, fence, pImageIndex);
    }
    loader_platform_thread_lock_mutex(&globalLock);
    // FIXME/TODO: Need to add some thing code the "fence" parameter
    dev_data->semaphoreMap[semaphore].signaled = 1;
    loader_platform_thread_unlock_mutex(&globalLock);
    return result;
}

VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
vkCreateDebugReportCallbackEXT(VkInstance instance, const VkDebugReportCallbackCreateInfoEXT *pCreateInfo,
                               const VkAllocationCallbacks *pAllocator, VkDebugReportCallbackEXT *pMsgCallback) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
    VkResult res = pTable->CreateDebugReportCallbackEXT(instance, pCreateInfo, pAllocator, pMsgCallback);
    if (VK_SUCCESS == res) {
        loader_platform_thread_lock_mutex(&globalLock);
        res = layer_create_msg_callback(my_data->report_data, pCreateInfo, pAllocator, pMsgCallback);
        loader_platform_thread_unlock_mutex(&globalLock);
    }
    return res;
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyDebugReportCallbackEXT(VkInstance instance,
                                                                           VkDebugReportCallbackEXT msgCallback,
                                                                           const VkAllocationCallbacks *pAllocator) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
    pTable->DestroyDebugReportCallbackEXT(instance, msgCallback, pAllocator);
    loader_platform_thread_lock_mutex(&globalLock);
    layer_destroy_msg_callback(my_data->report_data, msgCallback, pAllocator);
    loader_platform_thread_unlock_mutex(&globalLock);
}

VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
vkDebugReportMessageEXT(VkInstance instance, VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objType, uint64_t object,
                        size_t location, int32_t msgCode, const char *pLayerPrefix, const char *pMsg) {
    layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    my_data->instance_dispatch_table->DebugReportMessageEXT(instance, flags, objType, object, location, msgCode, pLayerPrefix,
                                                            pMsg);
}

VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetDeviceProcAddr(VkDevice dev, const char *funcName) {
    if (!strcmp(funcName, "vkGetDeviceProcAddr"))
        return (PFN_vkVoidFunction)vkGetDeviceProcAddr;
    if (!strcmp(funcName, "vkDestroyDevice"))
        return (PFN_vkVoidFunction)vkDestroyDevice;
    if (!strcmp(funcName, "vkQueueSubmit"))
        return (PFN_vkVoidFunction)vkQueueSubmit;
    if (!strcmp(funcName, "vkWaitForFences"))
        return (PFN_vkVoidFunction)vkWaitForFences;
    if (!strcmp(funcName, "vkGetFenceStatus"))
        return (PFN_vkVoidFunction)vkGetFenceStatus;
    if (!strcmp(funcName, "vkQueueWaitIdle"))
        return (PFN_vkVoidFunction)vkQueueWaitIdle;
    if (!strcmp(funcName, "vkDeviceWaitIdle"))
        return (PFN_vkVoidFunction)vkDeviceWaitIdle;
    if (!strcmp(funcName, "vkGetDeviceQueue"))
        return (PFN_vkVoidFunction)vkGetDeviceQueue;
    if (!strcmp(funcName, "vkDestroyInstance"))
        return (PFN_vkVoidFunction)vkDestroyInstance;
    if (!strcmp(funcName, "vkDestroyDevice"))
        return (PFN_vkVoidFunction)vkDestroyDevice;
    if (!strcmp(funcName, "vkDestroyFence"))
        return (PFN_vkVoidFunction)vkDestroyFence;
    if (!strcmp(funcName, "vkResetFences"))
        return (PFN_vkVoidFunction)vkResetFences;
    if (!strcmp(funcName, "vkDestroySemaphore"))
        return (PFN_vkVoidFunction)vkDestroySemaphore;
    if (!strcmp(funcName, "vkDestroyEvent"))
        return (PFN_vkVoidFunction)vkDestroyEvent;
    if (!strcmp(funcName, "vkDestroyQueryPool"))
        return (PFN_vkVoidFunction)vkDestroyQueryPool;
    if (!strcmp(funcName, "vkDestroyBuffer"))
        return (PFN_vkVoidFunction)vkDestroyBuffer;
    if (!strcmp(funcName, "vkDestroyBufferView"))
        return (PFN_vkVoidFunction)vkDestroyBufferView;
    if (!strcmp(funcName, "vkDestroyImage"))
        return (PFN_vkVoidFunction)vkDestroyImage;
    if (!strcmp(funcName, "vkDestroyImageView"))
        return (PFN_vkVoidFunction)vkDestroyImageView;
    if (!strcmp(funcName, "vkDestroyShaderModule"))
        return (PFN_vkVoidFunction)vkDestroyShaderModule;
    if (!strcmp(funcName, "vkDestroyPipeline"))
        return (PFN_vkVoidFunction)vkDestroyPipeline;
    if (!strcmp(funcName, "vkDestroyPipelineLayout"))
        return (PFN_vkVoidFunction)vkDestroyPipelineLayout;
    if (!strcmp(funcName, "vkDestroySampler"))
        return (PFN_vkVoidFunction)vkDestroySampler;
    if (!strcmp(funcName, "vkDestroyDescriptorSetLayout"))
        return (PFN_vkVoidFunction)vkDestroyDescriptorSetLayout;
    if (!strcmp(funcName, "vkDestroyDescriptorPool"))
        return (PFN_vkVoidFunction)vkDestroyDescriptorPool;
    if (!strcmp(funcName, "vkDestroyFramebuffer"))
        return (PFN_vkVoidFunction)vkDestroyFramebuffer;
    if (!strcmp(funcName, "vkDestroyRenderPass"))
        return (PFN_vkVoidFunction)vkDestroyRenderPass;
    if (!strcmp(funcName, "vkCreateBuffer"))
        return (PFN_vkVoidFunction)vkCreateBuffer;
    if (!strcmp(funcName, "vkCreateBufferView"))
        return (PFN_vkVoidFunction)vkCreateBufferView;
    if (!strcmp(funcName, "vkCreateImage"))
        return (PFN_vkVoidFunction)vkCreateImage;
    if (!strcmp(funcName, "vkCreateImageView"))
        return (PFN_vkVoidFunction)vkCreateImageView;
    if (!strcmp(funcName, "vkCreateFence"))
        return (PFN_vkVoidFunction)vkCreateFence;
    if (!strcmp(funcName, "CreatePipelineCache"))
        return (PFN_vkVoidFunction)vkCreatePipelineCache;
    if (!strcmp(funcName, "DestroyPipelineCache"))
        return (PFN_vkVoidFunction)vkDestroyPipelineCache;
    if (!strcmp(funcName, "GetPipelineCacheData"))
        return (PFN_vkVoidFunction)vkGetPipelineCacheData;
    if (!strcmp(funcName, "MergePipelineCaches"))
        return (PFN_vkVoidFunction)vkMergePipelineCaches;
    if (!strcmp(funcName, "vkCreateGraphicsPipelines"))
        return (PFN_vkVoidFunction)vkCreateGraphicsPipelines;
    if (!strcmp(funcName, "vkCreateComputePipelines"))
        return (PFN_vkVoidFunction)vkCreateComputePipelines;
    if (!strcmp(funcName, "vkCreateSampler"))
        return (PFN_vkVoidFunction)vkCreateSampler;
    if (!strcmp(funcName, "vkCreateDescriptorSetLayout"))
        return (PFN_vkVoidFunction)vkCreateDescriptorSetLayout;
    if (!strcmp(funcName, "vkCreatePipelineLayout"))
        return (PFN_vkVoidFunction)vkCreatePipelineLayout;
    if (!strcmp(funcName, "vkCreateDescriptorPool"))
        return (PFN_vkVoidFunction)vkCreateDescriptorPool;
    if (!strcmp(funcName, "vkResetDescriptorPool"))
        return (PFN_vkVoidFunction)vkResetDescriptorPool;
    if (!strcmp(funcName, "vkAllocateDescriptorSets"))
        return (PFN_vkVoidFunction)vkAllocateDescriptorSets;
    if (!strcmp(funcName, "vkFreeDescriptorSets"))
        return (PFN_vkVoidFunction)vkFreeDescriptorSets;
    if (!strcmp(funcName, "vkUpdateDescriptorSets"))
        return (PFN_vkVoidFunction)vkUpdateDescriptorSets;
    if (!strcmp(funcName, "vkCreateCommandPool"))
        return (PFN_vkVoidFunction)vkCreateCommandPool;
    if (!strcmp(funcName, "vkDestroyCommandPool"))
        return (PFN_vkVoidFunction)vkDestroyCommandPool;
    if (!strcmp(funcName, "vkResetCommandPool"))
        return (PFN_vkVoidFunction)vkResetCommandPool;
    if (!strcmp(funcName, "vkCreateQueryPool"))
        return (PFN_vkVoidFunction)vkCreateQueryPool;
    if (!strcmp(funcName, "vkAllocateCommandBuffers"))
        return (PFN_vkVoidFunction)vkAllocateCommandBuffers;
    if (!strcmp(funcName, "vkFreeCommandBuffers"))
        return (PFN_vkVoidFunction)vkFreeCommandBuffers;
    if (!strcmp(funcName, "vkBeginCommandBuffer"))
        return (PFN_vkVoidFunction)vkBeginCommandBuffer;
    if (!strcmp(funcName, "vkEndCommandBuffer"))
        return (PFN_vkVoidFunction)vkEndCommandBuffer;
    if (!strcmp(funcName, "vkResetCommandBuffer"))
        return (PFN_vkVoidFunction)vkResetCommandBuffer;
    if (!strcmp(funcName, "vkCmdBindPipeline"))
        return (PFN_vkVoidFunction)vkCmdBindPipeline;
    if (!strcmp(funcName, "vkCmdSetViewport"))
        return (PFN_vkVoidFunction)vkCmdSetViewport;
    if (!strcmp(funcName, "vkCmdSetScissor"))
        return (PFN_vkVoidFunction)vkCmdSetScissor;
    if (!strcmp(funcName, "vkCmdSetLineWidth"))
        return (PFN_vkVoidFunction)vkCmdSetLineWidth;
    if (!strcmp(funcName, "vkCmdSetDepthBias"))
        return (PFN_vkVoidFunction)vkCmdSetDepthBias;
    if (!strcmp(funcName, "vkCmdSetBlendConstants"))
        return (PFN_vkVoidFunction)vkCmdSetBlendConstants;
    if (!strcmp(funcName, "vkCmdSetDepthBounds"))
        return (PFN_vkVoidFunction)vkCmdSetDepthBounds;
    if (!strcmp(funcName, "vkCmdSetStencilCompareMask"))
        return (PFN_vkVoidFunction)vkCmdSetStencilCompareMask;
    if (!strcmp(funcName, "vkCmdSetStencilWriteMask"))
        return (PFN_vkVoidFunction)vkCmdSetStencilWriteMask;
    if (!strcmp(funcName, "vkCmdSetStencilReference"))
        return (PFN_vkVoidFunction)vkCmdSetStencilReference;
    if (!strcmp(funcName, "vkCmdBindDescriptorSets"))
        return (PFN_vkVoidFunction)vkCmdBindDescriptorSets;
    if (!strcmp(funcName, "vkCmdBindVertexBuffers"))
        return (PFN_vkVoidFunction)vkCmdBindVertexBuffers;
    if (!strcmp(funcName, "vkCmdBindIndexBuffer"))
        return (PFN_vkVoidFunction)vkCmdBindIndexBuffer;
    if (!strcmp(funcName, "vkCmdDraw"))
        return (PFN_vkVoidFunction)vkCmdDraw;
    if (!strcmp(funcName, "vkCmdDrawIndexed"))
        return (PFN_vkVoidFunction)vkCmdDrawIndexed;
    if (!strcmp(funcName, "vkCmdDrawIndirect"))
        return (PFN_vkVoidFunction)vkCmdDrawIndirect;
    if (!strcmp(funcName, "vkCmdDrawIndexedIndirect"))
        return (PFN_vkVoidFunction)vkCmdDrawIndexedIndirect;
    if (!strcmp(funcName, "vkCmdDispatch"))
        return (PFN_vkVoidFunction)vkCmdDispatch;
    if (!strcmp(funcName, "vkCmdDispatchIndirect"))
        return (PFN_vkVoidFunction)vkCmdDispatchIndirect;
    if (!strcmp(funcName, "vkCmdCopyBuffer"))
        return (PFN_vkVoidFunction)vkCmdCopyBuffer;
    if (!strcmp(funcName, "vkCmdCopyImage"))
        return (PFN_vkVoidFunction)vkCmdCopyImage;
    if (!strcmp(funcName, "vkCmdBlitImage"))
        return (PFN_vkVoidFunction)vkCmdBlitImage;
    if (!strcmp(funcName, "vkCmdCopyBufferToImage"))
        return (PFN_vkVoidFunction)vkCmdCopyBufferToImage;
    if (!strcmp(funcName, "vkCmdCopyImageToBuffer"))
        return (PFN_vkVoidFunction)vkCmdCopyImageToBuffer;
    if (!strcmp(funcName, "vkCmdUpdateBuffer"))
        return (PFN_vkVoidFunction)vkCmdUpdateBuffer;
    if (!strcmp(funcName, "vkCmdFillBuffer"))
        return (PFN_vkVoidFunction)vkCmdFillBuffer;
    if (!strcmp(funcName, "vkCmdClearColorImage"))
        return (PFN_vkVoidFunction)vkCmdClearColorImage;
    if (!strcmp(funcName, "vkCmdClearDepthStencilImage"))
        return (PFN_vkVoidFunction)vkCmdClearDepthStencilImage;
    if (!strcmp(funcName, "vkCmdClearAttachments"))
        return (PFN_vkVoidFunction)vkCmdClearAttachments;
    if (!strcmp(funcName, "vkCmdResolveImage"))
        return (PFN_vkVoidFunction)vkCmdResolveImage;
    if (!strcmp(funcName, "vkCmdSetEvent"))
        return (PFN_vkVoidFunction)vkCmdSetEvent;
    if (!strcmp(funcName, "vkCmdResetEvent"))
        return (PFN_vkVoidFunction)vkCmdResetEvent;
    if (!strcmp(funcName, "vkCmdWaitEvents"))
        return (PFN_vkVoidFunction)vkCmdWaitEvents;
    if (!strcmp(funcName, "vkCmdPipelineBarrier"))
        return (PFN_vkVoidFunction)vkCmdPipelineBarrier;
    if (!strcmp(funcName, "vkCmdBeginQuery"))
        return (PFN_vkVoidFunction)vkCmdBeginQuery;
    if (!strcmp(funcName, "vkCmdEndQuery"))
        return (PFN_vkVoidFunction)vkCmdEndQuery;
    if (!strcmp(funcName, "vkCmdResetQueryPool"))
        return (PFN_vkVoidFunction)vkCmdResetQueryPool;
    if (!strcmp(funcName, "vkCmdCopyQueryPoolResults"))
        return (PFN_vkVoidFunction)vkCmdCopyQueryPoolResults;
    if (!strcmp(funcName, "vkCmdPushConstants"))
        return (PFN_vkVoidFunction)vkCmdPushConstants;
    if (!strcmp(funcName, "vkCmdWriteTimestamp"))
        return (PFN_vkVoidFunction)vkCmdWriteTimestamp;
    if (!strcmp(funcName, "vkCreateFramebuffer"))
        return (PFN_vkVoidFunction)vkCreateFramebuffer;
    if (!strcmp(funcName, "vkCreateShaderModule"))
        return (PFN_vkVoidFunction)vkCreateShaderModule;
    if (!strcmp(funcName, "vkCreateRenderPass"))
        return (PFN_vkVoidFunction)vkCreateRenderPass;
    if (!strcmp(funcName, "vkCmdBeginRenderPass"))
        return (PFN_vkVoidFunction)vkCmdBeginRenderPass;
    if (!strcmp(funcName, "vkCmdNextSubpass"))
        return (PFN_vkVoidFunction)vkCmdNextSubpass;
    if (!strcmp(funcName, "vkCmdEndRenderPass"))
        return (PFN_vkVoidFunction)vkCmdEndRenderPass;
    if (!strcmp(funcName, "vkCmdExecuteCommands"))
        return (PFN_vkVoidFunction)vkCmdExecuteCommands;
    if (!strcmp(funcName, "vkSetEvent"))
        return (PFN_vkVoidFunction)vkSetEvent;
    if (!strcmp(funcName, "vkMapMemory"))
        return (PFN_vkVoidFunction)vkMapMemory;
#if MTMERGESOURCE
    if (!strcmp(funcName, "vkUnmapMemory"))
        return (PFN_vkVoidFunction)vkUnmapMemory;
    if (!strcmp(funcName, "vkAllocateMemory"))
        return (PFN_vkVoidFunction)vkAllocateMemory;
    if (!strcmp(funcName, "vkFreeMemory"))
        return (PFN_vkVoidFunction)vkFreeMemory;
    if (!strcmp(funcName, "vkFlushMappedMemoryRanges"))
        return (PFN_vkVoidFunction)vkFlushMappedMemoryRanges;
    if (!strcmp(funcName, "vkInvalidateMappedMemoryRanges"))
        return (PFN_vkVoidFunction)vkInvalidateMappedMemoryRanges;
    if (!strcmp(funcName, "vkBindBufferMemory"))
        return (PFN_vkVoidFunction)vkBindBufferMemory;
    if (!strcmp(funcName, "vkGetBufferMemoryRequirements"))
        return (PFN_vkVoidFunction)vkGetBufferMemoryRequirements;
    if (!strcmp(funcName, "vkGetImageMemoryRequirements"))
        return (PFN_vkVoidFunction)vkGetImageMemoryRequirements;
#endif
    if (!strcmp(funcName, "vkGetQueryPoolResults"))
        return (PFN_vkVoidFunction)vkGetQueryPoolResults;
    if (!strcmp(funcName, "vkBindImageMemory"))
        return (PFN_vkVoidFunction)vkBindImageMemory;
    if (!strcmp(funcName, "vkQueueBindSparse"))
        return (PFN_vkVoidFunction)vkQueueBindSparse;
    if (!strcmp(funcName, "vkCreateSemaphore"))
        return (PFN_vkVoidFunction)vkCreateSemaphore;
    if (!strcmp(funcName, "vkCreateEvent"))
        return (PFN_vkVoidFunction)vkCreateEvent;

    if (dev == NULL)
        return NULL;

    layer_data *dev_data;
    dev_data = get_my_data_ptr(get_dispatch_key(dev), layer_data_map);

    if (dev_data->device_extensions.wsi_enabled) {
        if (!strcmp(funcName, "vkCreateSwapchainKHR"))
            return (PFN_vkVoidFunction)vkCreateSwapchainKHR;
        if (!strcmp(funcName, "vkDestroySwapchainKHR"))
            return (PFN_vkVoidFunction)vkDestroySwapchainKHR;
        if (!strcmp(funcName, "vkGetSwapchainImagesKHR"))
            return (PFN_vkVoidFunction)vkGetSwapchainImagesKHR;
        if (!strcmp(funcName, "vkAcquireNextImageKHR"))
            return (PFN_vkVoidFunction)vkAcquireNextImageKHR;
        if (!strcmp(funcName, "vkQueuePresentKHR"))
            return (PFN_vkVoidFunction)vkQueuePresentKHR;
    }

    VkLayerDispatchTable *pTable = dev_data->device_dispatch_table;
    {
        if (pTable->GetDeviceProcAddr == NULL)
            return NULL;
        return pTable->GetDeviceProcAddr(dev, funcName);
    }
}

VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *funcName) {
    if (!strcmp(funcName, "vkGetInstanceProcAddr"))
        return (PFN_vkVoidFunction)vkGetInstanceProcAddr;
    if (!strcmp(funcName, "vkGetDeviceProcAddr"))
        return (PFN_vkVoidFunction)vkGetDeviceProcAddr;
    if (!strcmp(funcName, "vkCreateInstance"))
        return (PFN_vkVoidFunction)vkCreateInstance;
    if (!strcmp(funcName, "vkCreateDevice"))
        return (PFN_vkVoidFunction)vkCreateDevice;
    if (!strcmp(funcName, "vkDestroyInstance"))
        return (PFN_vkVoidFunction)vkDestroyInstance;
#if MTMERGESOURCE
    if (!strcmp(funcName, "vkGetPhysicalDeviceMemoryProperties"))
        return (PFN_vkVoidFunction)vkGetPhysicalDeviceMemoryProperties;
#endif
    if (!strcmp(funcName, "vkEnumerateInstanceLayerProperties"))
        return (PFN_vkVoidFunction)vkEnumerateInstanceLayerProperties;
    if (!strcmp(funcName, "vkEnumerateInstanceExtensionProperties"))
        return (PFN_vkVoidFunction)vkEnumerateInstanceExtensionProperties;
    if (!strcmp(funcName, "vkEnumerateDeviceLayerProperties"))
        return (PFN_vkVoidFunction)vkEnumerateDeviceLayerProperties;
    if (!strcmp(funcName, "vkEnumerateDeviceExtensionProperties"))
        return (PFN_vkVoidFunction)vkEnumerateDeviceExtensionProperties;

    if (instance == NULL)
        return NULL;

    PFN_vkVoidFunction fptr;

    layer_data *my_data;
    my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    fptr = debug_report_get_instance_proc_addr(my_data->report_data, funcName);
    if (fptr)
        return fptr;

    VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
    if (pTable->GetInstanceProcAddr == NULL)
        return NULL;
    return pTable->GetInstanceProcAddr(instance, funcName);
}