layers_extensions.cpp revision d91c74f917b603d8d1dec7d27da03e580919e0a6
180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall/* 280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * Copyright 2016 The Android Open Source Project 380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * 480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * Licensed under the Apache License, Version 2.0 (the "License"); 580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * you may not use this file except in compliance with the License. 680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * You may obtain a copy of the License at 780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * 880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * http://www.apache.org/licenses/LICENSE-2.0 980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * 1080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * Unless required by applicable law or agreed to in writing, software 1180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * distributed under the License is distributed on an "AS IS" BASIS, 1280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * See the License for the specific language governing permissions and 1480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall * limitations under the License. 1580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall */ 1680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 17d0b7cb566288a4f6646e356a17188b7922ba5740Michael Lentine// #define LOG_NDEBUG 0 18d0b7cb566288a4f6646e356a17188b7922ba5740Michael Lentine 19c96880f2cd1d34ffb9e3d10d80f0a3ddcc5579a8Chia-I Wu#include "layers_extensions.h" 2080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <alloca.h> 2180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <dirent.h> 2280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <dlfcn.h> 2380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <mutex> 2480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <sys/prctl.h> 2580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <string> 2680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <string.h> 2780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <vector> 2880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <log/log.h> 2980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include <vulkan/vulkan_loader_data.h> 3080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 31b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// TODO(jessehall): The whole way we deal with extensions is pretty hokey, and 32b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// not a good long-term solution. Having a hard-coded enum of extensions is 33b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// bad, of course. Representing sets of extensions (requested, supported, etc.) 34b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// as a bitset isn't necessarily bad, if the mapping from extension to bit were 35b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// dynamic. Need to rethink this completely when there's a little more time. 36b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall 37aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// TODO(jessehall): This file currently builds up global data structures as it 38aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// loads, and never cleans them up. This means we're doing heap allocations 39aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// without going through an app-provided allocator, but worse, we'll leak those 40aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// allocations if the loader is unloaded. 41aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// 42aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// We should allocate "enough" BSS space, and suballocate from there. Will 43aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// probably want to intern strings, etc., and will need some custom/manual data 44aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// structures. 45aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 46aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// TODO(jessehall): Currently we have separate lists for instance and device 47aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// layers. Most layers are both; we should use one entry for each layer name, 48aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// with a mask saying what kind(s) it is. 49aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 5080523e2e39c29b06ab40573468dde43a9867f487Jesse Hallnamespace vulkan { 51c96880f2cd1d34ffb9e3d10d80f0a3ddcc5579a8Chia-I Wunamespace api { 52c96880f2cd1d34ffb9e3d10d80f0a3ddcc5579a8Chia-I Wu 5380523e2e39c29b06ab40573468dde43a9867f487Jesse Hallstruct Layer { 5480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall VkLayerProperties properties; 5580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall size_t library_idx; 5680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::vector<VkExtensionProperties> extensions; 5780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall}; 5880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 5980523e2e39c29b06ab40573468dde43a9867f487Jesse Hallnamespace { 6080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 6180523e2e39c29b06ab40573468dde43a9867f487Jesse Hallstruct LayerLibrary { 62743495943b1a0b6d81ac70df524f67041f116ba6Chia-I Wu LayerLibrary(const std::string& path_) 63743495943b1a0b6d81ac70df524f67041f116ba6Chia-I Wu : path(path_), dlhandle(nullptr), refcount(0) {} 64743495943b1a0b6d81ac70df524f67041f116ba6Chia-I Wu 65fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu bool Open(); 66d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu void Close(); 67fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu 6880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::string path; 6980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall void* dlhandle; 7080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall size_t refcount; 7180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall}; 72743495943b1a0b6d81ac70df524f67041f116ba6Chia-I Wu 73fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wubool LayerLibrary::Open() { 74fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu if (refcount++ == 0) { 75fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu dlhandle = dlopen(path.c_str(), RTLD_NOW | RTLD_LOCAL); 76fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu ALOGV("Opening library %s", path.c_str()); 77fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu if (!dlhandle) { 78fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu ALOGE("failed to load layer library '%s': %s", path.c_str(), 79fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu dlerror()); 80fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu refcount = 0; 81fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu return false; 82fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu } 83fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu } 84fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu ALOGV("Refcount on activate is %zu", refcount); 85fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu return true; 86fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu} 87fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu 88d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wuvoid LayerLibrary::Close() { 89d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu if (--refcount == 0) { 90d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu ALOGV("Closing library %s", path.c_str()); 91d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu dlclose(dlhandle); 92d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu dlhandle = nullptr; 93d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu } 94d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu ALOGV("Refcount on destruction is %zu", refcount); 95d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu} 96d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu 97743495943b1a0b6d81ac70df524f67041f116ba6Chia-I Wustd::mutex g_library_mutex; 9880523e2e39c29b06ab40573468dde43a9867f487Jesse Hallstd::vector<LayerLibrary> g_layer_libraries; 99aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallstd::vector<Layer> g_instance_layers; 100aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallstd::vector<Layer> g_device_layers; 10180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 10280523e2e39c29b06ab40573468dde43a9867f487Jesse Hallvoid AddLayerLibrary(const std::string& path) { 10380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGV("examining layer library '%s'", path.c_str()); 10480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 10580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall void* dlhandle = dlopen(path.c_str(), RTLD_NOW | RTLD_LOCAL); 10680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (!dlhandle) { 10780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGW("failed to load layer library '%s': %s", path.c_str(), dlerror()); 10880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 10980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 11080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 111aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall PFN_vkEnumerateInstanceLayerProperties enumerate_instance_layers = 11280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall reinterpret_cast<PFN_vkEnumerateInstanceLayerProperties>( 11380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlsym(dlhandle, "vkEnumerateInstanceLayerProperties")); 114aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall PFN_vkEnumerateInstanceExtensionProperties enumerate_instance_extensions = 11580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall reinterpret_cast<PFN_vkEnumerateInstanceExtensionProperties>( 11680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlsym(dlhandle, "vkEnumerateInstanceExtensionProperties")); 117aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall PFN_vkEnumerateDeviceLayerProperties enumerate_device_layers = 118aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall reinterpret_cast<PFN_vkEnumerateDeviceLayerProperties>( 119aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlsym(dlhandle, "vkEnumerateDeviceLayerProperties")); 120aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall PFN_vkEnumerateDeviceExtensionProperties enumerate_device_extensions = 121aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall reinterpret_cast<PFN_vkEnumerateDeviceExtensionProperties>( 122aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlsym(dlhandle, "vkEnumerateDeviceExtensionProperties")); 123aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (!((enumerate_instance_layers && enumerate_instance_extensions) || 124aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall (enumerate_device_layers && enumerate_device_extensions))) { 125aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGV( 126aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "layer library '%s' has neither instance nor device enumeraion " 127aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "functions", 128aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str()); 12980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(dlhandle); 13080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 13180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 13280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 133aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VkResult result; 134aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t num_instance_layers = 0; 135aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t num_device_layers = 0; 136aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (enumerate_instance_layers) { 137aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_instance_layers(&num_instance_layers, nullptr); 138aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 139aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 140aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateInstanceLayerProperties failed for library '%s': " 141aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "%d", 142aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str(), result); 143aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 144aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 145aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 14680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 147aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (enumerate_device_layers) { 148aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_device_layers(VK_NULL_HANDLE, &num_device_layers, 149aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall nullptr); 150aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 151aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 152aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateDeviceLayerProperties failed for library '%s': %d", 153aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str(), result); 154aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 155aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 156aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 15780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 158aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VkLayerProperties* properties = static_cast<VkLayerProperties*>(alloca( 159aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall (num_instance_layers + num_device_layers) * sizeof(VkLayerProperties))); 160aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (num_instance_layers > 0) { 161aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_instance_layers(&num_instance_layers, properties); 16280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (result != VK_SUCCESS) { 16380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGW( 164aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateInstanceLayerProperties failed for library '%s': " 165aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "%d", 166aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str(), result); 16780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(dlhandle); 16880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 16980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 170aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 171aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (num_device_layers > 0) { 172aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_device_layers(VK_NULL_HANDLE, &num_device_layers, 173aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall properties + num_instance_layers); 17480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (result != VK_SUCCESS) { 17580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGW( 176aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateDeviceLayerProperties failed for library '%s': %d", 177aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str(), result); 17880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(dlhandle); 17980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 18080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 181aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 182aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 183aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall size_t library_idx = g_layer_libraries.size(); 184aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall size_t prev_num_instance_layers = g_instance_layers.size(); 185aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall size_t prev_num_device_layers = g_device_layers.size(); 186aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.reserve(prev_num_instance_layers + num_instance_layers); 187aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_device_layers.reserve(prev_num_device_layers + num_device_layers); 188aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall for (size_t i = 0; i < num_instance_layers; i++) { 189aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const VkLayerProperties& props = properties[i]; 190aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 191aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall Layer layer; 192aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.properties = props; 193aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.library_idx = library_idx; 194aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 195aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (enumerate_instance_extensions) { 196aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t count = 0; 197aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = 198aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall enumerate_instance_extensions(props.layerName, &count, nullptr); 199aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 200aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 201aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateInstanceExtensionProperties(%s) failed for " 202aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "library " 203aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "'%s': %d", 204aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall props.layerName, path.c_str(), result); 205aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.resize(prev_num_instance_layers); 206aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 207aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 208aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 209aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.extensions.resize(count); 210aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_instance_extensions(props.layerName, &count, 211aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.extensions.data()); 212aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 213aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 214aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateInstanceExtensionProperties(%s) failed for " 215aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "library " 216aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "'%s': %d", 217aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall props.layerName, path.c_str(), result); 218aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.resize(prev_num_instance_layers); 219aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 220aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 221aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 222aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 22380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 224aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.push_back(layer); 225b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall ALOGV(" added instance layer '%s'", props.layerName); 226aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 227aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall for (size_t i = 0; i < num_device_layers; i++) { 228aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const VkLayerProperties& props = properties[num_instance_layers + i]; 229aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 230aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall Layer layer; 231aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.properties = props; 232aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.library_idx = library_idx; 233aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 234aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (enumerate_device_extensions) { 235aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t count; 236aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_device_extensions( 237aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VK_NULL_HANDLE, props.layerName, &count, nullptr); 238aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 239aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 240aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateDeviceExtensionProperties(%s) failed for " 241aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "library " 242aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "'%s': %d", 243aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall props.layerName, path.c_str(), result); 244aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.resize(prev_num_instance_layers); 245aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_device_layers.resize(prev_num_device_layers); 246aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 247aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 248aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 249aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.extensions.resize(count); 250aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = 251aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall enumerate_device_extensions(VK_NULL_HANDLE, props.layerName, 252aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall &count, layer.extensions.data()); 253aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 254aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 255aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateDeviceExtensionProperties(%s) failed for " 256aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "library " 257aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "'%s': %d", 258aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall props.layerName, path.c_str(), result); 259aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.resize(prev_num_instance_layers); 260aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_device_layers.resize(prev_num_device_layers); 261aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 262aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 263aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 264aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 265aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 266aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_device_layers.push_back(layer); 267b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall ALOGV(" added device layer '%s'", props.layerName); 26880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 26980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 27080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(dlhandle); 27180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 272743495943b1a0b6d81ac70df524f67041f116ba6Chia-I Wu g_layer_libraries.emplace_back(path); 27380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 27480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 27580523e2e39c29b06ab40573468dde43a9867f487Jesse Hallvoid DiscoverLayersInDirectory(const std::string& dir_path) { 27680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGV("looking for layers in '%s'", dir_path.c_str()); 27780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 27880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall DIR* directory = opendir(dir_path.c_str()); 27980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (!directory) { 28080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall int err = errno; 28180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGV_IF(err != ENOENT, "failed to open layer directory '%s': %s (%d)", 28280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dir_path.c_str(), strerror(err), err); 28380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 28480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 28580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 28680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::string path; 28780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.reserve(dir_path.size() + 20); 28880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.append(dir_path); 28980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.append("/"); 29080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 29180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall struct dirent* entry; 29280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall while ((entry = readdir(directory))) { 29380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall size_t libname_len = strlen(entry->d_name); 294a7ac76df54c30e771ecfd05cdd2b52209af71470Jesse Hall if (strncmp(entry->d_name, "libVkLayer", 10) != 0 || 29580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strncmp(entry->d_name + libname_len - 3, ".so", 3) != 0) 29680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall continue; 29780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.append(entry->d_name); 29880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall AddLayerLibrary(path); 29980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.resize(dir_path.size() + 1); 30080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 30180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 30280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall closedir(directory); 30380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 30480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 30580523e2e39c29b06ab40573468dde43a9867f487Jesse Hallvoid* GetLayerGetProcAddr(const Layer& layer, 30680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall const char* gpa_name, 30780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall size_t gpa_name_len) { 30880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall const LayerLibrary& library = g_layer_libraries[layer.library_idx]; 30980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall void* gpa; 31030ac78b43ce408eb6d666c8667d184b8e44ed9e6Jesse Hall size_t layer_name_len = std::max(size_t{2}, strlen(layer.properties.layerName)); 31180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall char* name = static_cast<char*>(alloca(layer_name_len + gpa_name_len + 1)); 31280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strcpy(name, layer.properties.layerName); 31380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strcpy(name + layer_name_len, gpa_name); 31480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (!(gpa = dlsym(library.dlhandle, name))) { 31580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strcpy(name, "vk"); 31680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strcpy(name + 2, gpa_name); 31780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall gpa = dlsym(library.dlhandle, name); 31880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 31980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return gpa; 32080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 32180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 322aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Halluint32_t EnumerateLayers(const std::vector<Layer>& layers, 323aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t count, 324aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VkLayerProperties* properties) { 325aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t n = std::min(count, static_cast<uint32_t>(layers.size())); 32680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall for (uint32_t i = 0; i < n; i++) { 327aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall properties[i] = layers[i].properties; 32880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 329aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return static_cast<uint32_t>(layers.size()); 33080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 33180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 332aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallvoid GetLayerExtensions(const std::vector<Layer>& layers, 333aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const char* name, 33480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall const VkExtensionProperties** properties, 33580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall uint32_t* count) { 336aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall auto layer = 337aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall std::find_if(layers.cbegin(), layers.cend(), [=](const Layer& entry) { 338aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return strcmp(entry.properties.layerName, name) == 0; 339aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall }); 340aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (layer == layers.cend()) { 341aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall *properties = nullptr; 342aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall *count = 0; 343aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } else { 344aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall *properties = layer->extensions.data(); 345aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall *count = static_cast<uint32_t>(layer->extensions.size()); 34680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 34780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 34880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 349aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse HallLayerRef GetLayerRef(std::vector<Layer>& layers, const char* name) { 350aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall for (uint32_t id = 0; id < layers.size(); id++) { 351d0b7cb566288a4f6646e356a17188b7922ba5740Michael Lentine if (strcmp(name, layers[id].properties.layerName) == 0) { 352aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall LayerLibrary& library = g_layer_libraries[layers[id].library_idx]; 35380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::lock_guard<std::mutex> lock(g_library_mutex); 354fd0389fb67298e530142566e7a5f6fb16741cabaChia-I Wu return LayerRef((library.Open()) ? &layers[id] : nullptr); 35580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 35680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 35780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return LayerRef(nullptr); 35880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 35980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 360aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} // anonymous namespace 361aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 362aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallvoid DiscoverLayers() { 363aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (prctl(PR_GET_DUMPABLE, 0, 0, 0, 0)) 364aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall DiscoverLayersInDirectory("/data/local/debug/vulkan"); 365aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (!LoaderData::GetInstance().layer_path.empty()) 366aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall DiscoverLayersInDirectory(LoaderData::GetInstance().layer_path.c_str()); 367aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 368aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 369aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Halluint32_t EnumerateInstanceLayers(uint32_t count, 370aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VkLayerProperties* properties) { 371aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return EnumerateLayers(g_instance_layers, count, properties); 372aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 373aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 374aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Halluint32_t EnumerateDeviceLayers(uint32_t count, VkLayerProperties* properties) { 375aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return EnumerateLayers(g_device_layers, count, properties); 376aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 377aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 378aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallvoid GetInstanceLayerExtensions(const char* name, 379aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const VkExtensionProperties** properties, 380aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t* count) { 381aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall GetLayerExtensions(g_instance_layers, name, properties, count); 382aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 383aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 384aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallvoid GetDeviceLayerExtensions(const char* name, 385aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const VkExtensionProperties** properties, 386aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t* count) { 387aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall GetLayerExtensions(g_device_layers, name, properties, count); 388aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 389aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 390aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse HallLayerRef GetInstanceLayerRef(const char* name) { 391aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return GetLayerRef(g_instance_layers, name); 392aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 393aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 394aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse HallLayerRef GetDeviceLayerRef(const char* name) { 395aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return GetLayerRef(g_device_layers, name); 396aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 397aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 39880523e2e39c29b06ab40573468dde43a9867f487Jesse HallLayerRef::LayerRef(Layer* layer) : layer_(layer) {} 39980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 40080523e2e39c29b06ab40573468dde43a9867f487Jesse HallLayerRef::~LayerRef() { 40180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (layer_) { 40280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall LayerLibrary& library = g_layer_libraries[layer_->library_idx]; 40380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::lock_guard<std::mutex> lock(g_library_mutex); 404d91c74f917b603d8d1dec7d27da03e580919e0a6Chia-I Wu library.Close(); 40580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 40680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 40780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 4085703683fb645a7e31ac25aaf7136013a6a9b9fbcMichael Lentineconst char* LayerRef::GetName() const { 409eff631189b135a9579a7f8510f9b1ccadd6fb4f9Courtney Goeltzenleuchter return layer_->properties.layerName; 410eff631189b135a9579a7f8510f9b1ccadd6fb4f9Courtney Goeltzenleuchter} 411eff631189b135a9579a7f8510f9b1ccadd6fb4f9Courtney Goeltzenleuchter 412eff631189b135a9579a7f8510f9b1ccadd6fb4f9Courtney Goeltzenleuchteruint32_t LayerRef::GetSpecVersion() { 413eff631189b135a9579a7f8510f9b1ccadd6fb4f9Courtney Goeltzenleuchter return layer_->properties.specVersion; 414eff631189b135a9579a7f8510f9b1ccadd6fb4f9Courtney Goeltzenleuchter} 415eff631189b135a9579a7f8510f9b1ccadd6fb4f9Courtney Goeltzenleuchter 41654e6f086a6b373a0f496343451a76dde8aa86238Michael LentineLayerRef::LayerRef(LayerRef&& other) : layer_(std::move(other.layer_)) { 41754e6f086a6b373a0f496343451a76dde8aa86238Michael Lentine other.layer_ = nullptr; 41854e6f086a6b373a0f496343451a76dde8aa86238Michael Lentine} 41980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 42080523e2e39c29b06ab40573468dde43a9867f487Jesse HallPFN_vkGetInstanceProcAddr LayerRef::GetGetInstanceProcAddr() const { 42180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return layer_ ? reinterpret_cast<PFN_vkGetInstanceProcAddr>( 42280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall GetLayerGetProcAddr(*layer_, "GetInstanceProcAddr", 19)) 42380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall : nullptr; 42480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 42580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 42680523e2e39c29b06ab40573468dde43a9867f487Jesse HallPFN_vkGetDeviceProcAddr LayerRef::GetGetDeviceProcAddr() const { 42780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return layer_ ? reinterpret_cast<PFN_vkGetDeviceProcAddr>( 42880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall GetLayerGetProcAddr(*layer_, "GetDeviceProcAddr", 17)) 42980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall : nullptr; 43080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 43180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 432b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hallbool LayerRef::SupportsExtension(const char* name) const { 433b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall return std::find_if(layer_->extensions.cbegin(), layer_->extensions.cend(), 434b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall [=](const VkExtensionProperties& ext) { 435b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall return strcmp(ext.extensionName, name) == 0; 436b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall }) != layer_->extensions.cend(); 437b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall} 438b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall 439c96880f2cd1d34ffb9e3d10d80f0a3ddcc5579a8Chia-I Wu} // namespace api 44080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} // namespace vulkan 441