debug_report.cpp revision 2e6736699471dbe7ec185667240089dcbccdd9bd 
1/*
2 * Copyright 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "driver.h"
18
19namespace vulkan {
20namespace driver {
21
22DebugReportCallbackList::Node* DebugReportCallbackList::AddCallback(
23    const VkDebugReportCallbackCreateInfoEXT& info,
24    VkDebugReportCallbackEXT driver_handle,
25    const VkAllocationCallbacks& allocator) {
26    void* mem = allocator.pfnAllocation(allocator.pUserData, sizeof(Node),
27                                        alignof(Node),
28                                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
29    if (!mem)
30        return nullptr;
31
32    // initialize and prepend node to the list
33    std::lock_guard<decltype(rwmutex_)> lock(rwmutex_);
34    head_.next = new (mem) Node{head_.next, info.flags, info.pfnCallback,
35                                info.pUserData, driver_handle};
36
37    return head_.next;
38}
39
40void DebugReportCallbackList::RemoveCallback(
41    Node* node,
42    const VkAllocationCallbacks& allocator) {
43    // remove node from the list
44    {
45        std::lock_guard<decltype(rwmutex_)> lock(rwmutex_);
46        Node* prev = &head_;
47        while (prev && prev->next != node)
48            prev = prev->next;
49        prev->next = node->next;
50    }
51
52    allocator.pfnFree(allocator.pUserData, node);
53}
54
55void DebugReportCallbackList::Message(VkDebugReportFlagsEXT flags,
56                                      VkDebugReportObjectTypeEXT object_type,
57                                      uint64_t object,
58                                      size_t location,
59                                      int32_t message_code,
60                                      const char* layer_prefix,
61                                      const char* message) const {
62    std::shared_lock<decltype(rwmutex_)> lock(rwmutex_);
63    const Node* node = &head_;
64    while ((node = node->next)) {
65        if ((node->flags & flags) != 0) {
66            node->callback(flags, object_type, object, location, message_code,
67                           layer_prefix, message, node->user_data);
68        }
69    }
70}
71
72VkResult CreateDebugReportCallbackEXT(
73    VkInstance instance,
74    const VkDebugReportCallbackCreateInfoEXT* create_info,
75    const VkAllocationCallbacks* allocator,
76    VkDebugReportCallbackEXT* callback) {
77    const auto& driver = GetData(instance).driver;
78    VkDebugReportCallbackEXT driver_handle = VK_NULL_HANDLE;
79    if (driver.CreateDebugReportCallbackEXT) {
80        VkResult result = driver.CreateDebugReportCallbackEXT(
81            instance, create_info, allocator, &driver_handle);
82        if (result != VK_SUCCESS)
83            return result;
84    }
85
86    auto& callbacks = GetData(instance).debug_report_callbacks;
87    auto node = callbacks.AddCallback(
88        *create_info, driver_handle,
89        (allocator) ? *allocator : GetData(instance).allocator);
90    if (!node) {
91        if (driver_handle != VK_NULL_HANDLE) {
92            driver.DestroyDebugReportCallbackEXT(instance, driver_handle,
93                                                 allocator);
94        }
95
96        return VK_ERROR_OUT_OF_HOST_MEMORY;
97    }
98
99    *callback = callbacks.GetHandle(node);
100
101    return VK_SUCCESS;
102}
103
104void DestroyDebugReportCallbackEXT(VkInstance instance,
105                                   VkDebugReportCallbackEXT callback,
106                                   const VkAllocationCallbacks* allocator) {
107    if (callback == VK_NULL_HANDLE)
108        return;
109
110    auto& callbacks = GetData(instance).debug_report_callbacks;
111    auto node = callbacks.FromHandle(callback);
112    auto driver_handle = callbacks.GetDriverHandle(node);
113
114    callbacks.RemoveCallback(
115        node, (allocator) ? *allocator : GetData(instance).allocator);
116
117    if (driver_handle != VK_NULL_HANDLE) {
118        GetData(instance).driver.DestroyDebugReportCallbackEXT(
119            instance, driver_handle, allocator);
120    }
121}
122
123void DebugReportMessageEXT(VkInstance instance,
124                           VkDebugReportFlagsEXT flags,
125                           VkDebugReportObjectTypeEXT object_type,
126                           uint64_t object,
127                           size_t location,
128                           int32_t message_code,
129                           const char* layer_prefix,
130                           const char* message) {
131    if (GetData(instance).driver.DebugReportMessageEXT) {
132        GetData(instance).driver.DebugReportMessageEXT(
133            instance, flags, object_type, object, location, message_code,
134            layer_prefix, message);
135    } else {
136        GetData(instance).debug_report_callbacks.Message(
137            flags, object_type, object, location, message_code, layer_prefix,
138            message);
139    }
140}
141
142}  // namespace driver
143}  // namespace vulkan
144