layers_extensions.cpp revision 54e6f086a6b373a0f496343451a76dde8aa86238
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 1980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall#include "loader.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 3180523e2e39c29b06ab40573468dde43a9867f487Jesse Hallusing namespace vulkan; 3280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 33b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// TODO(jessehall): The whole way we deal with extensions is pretty hokey, and 34b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// not a good long-term solution. Having a hard-coded enum of extensions is 35b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// bad, of course. Representing sets of extensions (requested, supported, etc.) 36b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// as a bitset isn't necessarily bad, if the mapping from extension to bit were 37b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall// dynamic. Need to rethink this completely when there's a little more time. 38b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall 39aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// TODO(jessehall): This file currently builds up global data structures as it 40aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// loads, and never cleans them up. This means we're doing heap allocations 41aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// without going through an app-provided allocator, but worse, we'll leak those 42aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// allocations if the loader is unloaded. 43aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// 44aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// We should allocate "enough" BSS space, and suballocate from there. Will 45aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// probably want to intern strings, etc., and will need some custom/manual data 46aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// structures. 47aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 48aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// TODO(jessehall): Currently we have separate lists for instance and device 49aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// layers. Most layers are both; we should use one entry for each layer name, 50aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall// with a mask saying what kind(s) it is. 51aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 5280523e2e39c29b06ab40573468dde43a9867f487Jesse Hallnamespace vulkan { 5380523e2e39c29b06ab40573468dde43a9867f487Jesse Hallstruct Layer { 5480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall VkLayerProperties properties; 5580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall size_t library_idx; 5680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::vector<VkExtensionProperties> extensions; 5780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall}; 5880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} // namespace vulkan 5980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 6080523e2e39c29b06ab40573468dde43a9867f487Jesse Hallnamespace { 6180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 6280523e2e39c29b06ab40573468dde43a9867f487Jesse Hallstd::mutex g_library_mutex; 6380523e2e39c29b06ab40573468dde43a9867f487Jesse Hallstruct LayerLibrary { 6480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::string path; 6580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall void* dlhandle; 6680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall size_t refcount; 6780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall}; 6880523e2e39c29b06ab40573468dde43a9867f487Jesse Hallstd::vector<LayerLibrary> g_layer_libraries; 69aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallstd::vector<Layer> g_instance_layers; 70aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallstd::vector<Layer> g_device_layers; 7180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 7280523e2e39c29b06ab40573468dde43a9867f487Jesse Hallvoid AddLayerLibrary(const std::string& path) { 7380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGV("examining layer library '%s'", path.c_str()); 7480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 7580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall void* dlhandle = dlopen(path.c_str(), RTLD_NOW | RTLD_LOCAL); 7680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (!dlhandle) { 7780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGW("failed to load layer library '%s': %s", path.c_str(), dlerror()); 7880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 7980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 8080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 81aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall PFN_vkEnumerateInstanceLayerProperties enumerate_instance_layers = 8280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall reinterpret_cast<PFN_vkEnumerateInstanceLayerProperties>( 8380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlsym(dlhandle, "vkEnumerateInstanceLayerProperties")); 84aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall PFN_vkEnumerateInstanceExtensionProperties enumerate_instance_extensions = 8580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall reinterpret_cast<PFN_vkEnumerateInstanceExtensionProperties>( 8680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlsym(dlhandle, "vkEnumerateInstanceExtensionProperties")); 87aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall PFN_vkEnumerateDeviceLayerProperties enumerate_device_layers = 88aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall reinterpret_cast<PFN_vkEnumerateDeviceLayerProperties>( 89aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlsym(dlhandle, "vkEnumerateDeviceLayerProperties")); 90aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall PFN_vkEnumerateDeviceExtensionProperties enumerate_device_extensions = 91aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall reinterpret_cast<PFN_vkEnumerateDeviceExtensionProperties>( 92aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlsym(dlhandle, "vkEnumerateDeviceExtensionProperties")); 93aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (!((enumerate_instance_layers && enumerate_instance_extensions) || 94aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall (enumerate_device_layers && enumerate_device_extensions))) { 95aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGV( 96aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "layer library '%s' has neither instance nor device enumeraion " 97aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "functions", 98aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str()); 9980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(dlhandle); 10080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 10180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 10280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 103aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VkResult result; 104aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t num_instance_layers = 0; 105aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t num_device_layers = 0; 106aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (enumerate_instance_layers) { 107aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_instance_layers(&num_instance_layers, nullptr); 108aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 109aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 110aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateInstanceLayerProperties failed for library '%s': " 111aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "%d", 112aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str(), result); 113aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 114aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 115aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 11680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 117aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (enumerate_device_layers) { 118aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_device_layers(VK_NULL_HANDLE, &num_device_layers, 119aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall nullptr); 120aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 121aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 122aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateDeviceLayerProperties failed for library '%s': %d", 123aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str(), result); 124aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 125aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 126aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 12780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 128aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VkLayerProperties* properties = static_cast<VkLayerProperties*>(alloca( 129aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall (num_instance_layers + num_device_layers) * sizeof(VkLayerProperties))); 130aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (num_instance_layers > 0) { 131aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_instance_layers(&num_instance_layers, properties); 13280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (result != VK_SUCCESS) { 13380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGW( 134aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateInstanceLayerProperties failed for library '%s': " 135aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "%d", 136aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str(), result); 13780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(dlhandle); 13880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 13980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 140aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 141aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (num_device_layers > 0) { 142aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_device_layers(VK_NULL_HANDLE, &num_device_layers, 143aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall properties + num_instance_layers); 14480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (result != VK_SUCCESS) { 14580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGW( 146aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateDeviceLayerProperties failed for library '%s': %d", 147aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall path.c_str(), result); 14880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(dlhandle); 14980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 15080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 151aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 152aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 153aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall size_t library_idx = g_layer_libraries.size(); 154aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall size_t prev_num_instance_layers = g_instance_layers.size(); 155aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall size_t prev_num_device_layers = g_device_layers.size(); 156aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.reserve(prev_num_instance_layers + num_instance_layers); 157aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_device_layers.reserve(prev_num_device_layers + num_device_layers); 158aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall for (size_t i = 0; i < num_instance_layers; i++) { 159aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const VkLayerProperties& props = properties[i]; 160aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 161aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall Layer layer; 162aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.properties = props; 163aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.library_idx = library_idx; 164aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 165aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (enumerate_instance_extensions) { 166aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t count = 0; 167aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = 168aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall enumerate_instance_extensions(props.layerName, &count, nullptr); 169aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 170aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 171aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateInstanceExtensionProperties(%s) failed for " 172aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "library " 173aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "'%s': %d", 174aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall props.layerName, path.c_str(), result); 175aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.resize(prev_num_instance_layers); 176aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 177aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 178aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 179aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.extensions.resize(count); 180aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_instance_extensions(props.layerName, &count, 181aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.extensions.data()); 182aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 183aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 184aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateInstanceExtensionProperties(%s) failed for " 185aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "library " 186aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "'%s': %d", 187aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall props.layerName, path.c_str(), result); 188aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.resize(prev_num_instance_layers); 189aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 190aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 191aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 192aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 19380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 194aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.push_back(layer); 195b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall ALOGV(" added instance layer '%s'", props.layerName); 196aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 197aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall for (size_t i = 0; i < num_device_layers; i++) { 198aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const VkLayerProperties& props = properties[num_instance_layers + i]; 199aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 200aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall Layer layer; 201aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.properties = props; 202aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.library_idx = library_idx; 203aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 204aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (enumerate_device_extensions) { 205aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t count; 206aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = enumerate_device_extensions( 207aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VK_NULL_HANDLE, props.layerName, &count, nullptr); 208aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 209aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 210aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateDeviceExtensionProperties(%s) failed for " 211aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "library " 212aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "'%s': %d", 213aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall props.layerName, path.c_str(), result); 214aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.resize(prev_num_instance_layers); 215aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_device_layers.resize(prev_num_device_layers); 216aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 217aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 218aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 219aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall layer.extensions.resize(count); 220aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall result = 221aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall enumerate_device_extensions(VK_NULL_HANDLE, props.layerName, 222aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall &count, layer.extensions.data()); 223aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (result != VK_SUCCESS) { 224aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall ALOGW( 225aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "vkEnumerateDeviceExtensionProperties(%s) failed for " 226aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "library " 227aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall "'%s': %d", 228aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall props.layerName, path.c_str(), result); 229aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_instance_layers.resize(prev_num_instance_layers); 230aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_device_layers.resize(prev_num_device_layers); 231aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall dlclose(dlhandle); 232aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return; 233aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 234aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } 235aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 236aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall g_device_layers.push_back(layer); 237b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall ALOGV(" added device layer '%s'", props.layerName); 23880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 23980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 24080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(dlhandle); 24180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 24280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall g_layer_libraries.push_back(LayerLibrary{path, nullptr, 0}); 24380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 24480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 24580523e2e39c29b06ab40573468dde43a9867f487Jesse Hallvoid DiscoverLayersInDirectory(const std::string& dir_path) { 24680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGV("looking for layers in '%s'", dir_path.c_str()); 24780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 24880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall DIR* directory = opendir(dir_path.c_str()); 24980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (!directory) { 25080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall int err = errno; 25180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGV_IF(err != ENOENT, "failed to open layer directory '%s': %s (%d)", 25280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dir_path.c_str(), strerror(err), err); 25380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return; 25480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 25580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 25680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::string path; 25780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.reserve(dir_path.size() + 20); 25880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.append(dir_path); 25980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.append("/"); 26080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 26180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall struct dirent* entry; 26280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall while ((entry = readdir(directory))) { 26380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall size_t libname_len = strlen(entry->d_name); 264a7ac76df54c30e771ecfd05cdd2b52209af71470Jesse Hall if (strncmp(entry->d_name, "libVkLayer", 10) != 0 || 26580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strncmp(entry->d_name + libname_len - 3, ".so", 3) != 0) 26680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall continue; 26780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.append(entry->d_name); 26880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall AddLayerLibrary(path); 26980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall path.resize(dir_path.size() + 1); 27080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 27180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 27280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall closedir(directory); 27380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 27480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 27580523e2e39c29b06ab40573468dde43a9867f487Jesse Hallvoid* GetLayerGetProcAddr(const Layer& layer, 27680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall const char* gpa_name, 27780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall size_t gpa_name_len) { 27880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall const LayerLibrary& library = g_layer_libraries[layer.library_idx]; 27980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall void* gpa; 28030ac78b43ce408eb6d666c8667d184b8e44ed9e6Jesse Hall size_t layer_name_len = std::max(size_t{2}, strlen(layer.properties.layerName)); 28180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall char* name = static_cast<char*>(alloca(layer_name_len + gpa_name_len + 1)); 28280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strcpy(name, layer.properties.layerName); 28380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strcpy(name + layer_name_len, gpa_name); 28480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (!(gpa = dlsym(library.dlhandle, name))) { 28580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strcpy(name, "vk"); 28680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall strcpy(name + 2, gpa_name); 28780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall gpa = dlsym(library.dlhandle, name); 28880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 28980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return gpa; 29080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 29180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 292aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Halluint32_t EnumerateLayers(const std::vector<Layer>& layers, 293aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t count, 294aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VkLayerProperties* properties) { 295aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t n = std::min(count, static_cast<uint32_t>(layers.size())); 29680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall for (uint32_t i = 0; i < n; i++) { 297aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall properties[i] = layers[i].properties; 29880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 299aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return static_cast<uint32_t>(layers.size()); 30080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 30180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 302aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallvoid GetLayerExtensions(const std::vector<Layer>& layers, 303aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const char* name, 30480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall const VkExtensionProperties** properties, 30580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall uint32_t* count) { 306aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall auto layer = 307aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall std::find_if(layers.cbegin(), layers.cend(), [=](const Layer& entry) { 308aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return strcmp(entry.properties.layerName, name) == 0; 309aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall }); 310aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (layer == layers.cend()) { 311aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall *properties = nullptr; 312aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall *count = 0; 313aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall } else { 314aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall *properties = layer->extensions.data(); 315aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall *count = static_cast<uint32_t>(layer->extensions.size()); 31680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 31780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 31880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 319aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse HallLayerRef GetLayerRef(std::vector<Layer>& layers, const char* name) { 320aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall for (uint32_t id = 0; id < layers.size(); id++) { 321d0b7cb566288a4f6646e356a17188b7922ba5740Michael Lentine if (strcmp(name, layers[id].properties.layerName) == 0) { 322aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall LayerLibrary& library = g_layer_libraries[layers[id].library_idx]; 32380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::lock_guard<std::mutex> lock(g_library_mutex); 32480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (library.refcount++ == 0) { 32580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall library.dlhandle = 32680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlopen(library.path.c_str(), RTLD_NOW | RTLD_LOCAL); 32754e6f086a6b373a0f496343451a76dde8aa86238Michael Lentine ALOGV("Opening library %s", library.path.c_str()); 32880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (!library.dlhandle) { 32980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall ALOGE("failed to load layer library '%s': %s", 33080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall library.path.c_str(), dlerror()); 33180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall library.refcount = 0; 33280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return LayerRef(nullptr); 33380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 33480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 33554e6f086a6b373a0f496343451a76dde8aa86238Michael Lentine ALOGV("Refcount on activate is %zu", library.refcount); 336aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return LayerRef(&layers[id]); 33780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 33880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 33980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return LayerRef(nullptr); 34080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 34180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 342aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} // anonymous namespace 343aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 344aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallnamespace vulkan { 345aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 346aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallvoid DiscoverLayers() { 347aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (prctl(PR_GET_DUMPABLE, 0, 0, 0, 0)) 348aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall DiscoverLayersInDirectory("/data/local/debug/vulkan"); 349aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall if (!LoaderData::GetInstance().layer_path.empty()) 350aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall DiscoverLayersInDirectory(LoaderData::GetInstance().layer_path.c_str()); 351aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 352aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 353aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Halluint32_t EnumerateInstanceLayers(uint32_t count, 354aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall VkLayerProperties* properties) { 355aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return EnumerateLayers(g_instance_layers, count, properties); 356aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 357aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 358aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Halluint32_t EnumerateDeviceLayers(uint32_t count, VkLayerProperties* properties) { 359aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return EnumerateLayers(g_device_layers, count, properties); 360aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 361aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 362aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallvoid GetInstanceLayerExtensions(const char* name, 363aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const VkExtensionProperties** properties, 364aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t* count) { 365aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall GetLayerExtensions(g_instance_layers, name, properties, count); 366aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 367aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 368aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hallvoid GetDeviceLayerExtensions(const char* name, 369aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall const VkExtensionProperties** properties, 370aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall uint32_t* count) { 371aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall GetLayerExtensions(g_device_layers, name, properties, count); 372aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 373aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 374aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse HallLayerRef GetInstanceLayerRef(const char* name) { 375aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return GetLayerRef(g_instance_layers, name); 376aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 377aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 378aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse HallLayerRef GetDeviceLayerRef(const char* name) { 379aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall return GetLayerRef(g_device_layers, name); 380aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall} 381aa410941d29cba4a3a56e90cb3f0be3f03c76ceaJesse Hall 38280523e2e39c29b06ab40573468dde43a9867f487Jesse HallLayerRef::LayerRef(Layer* layer) : layer_(layer) {} 38380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 38480523e2e39c29b06ab40573468dde43a9867f487Jesse HallLayerRef::~LayerRef() { 38580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (layer_) { 38680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall LayerLibrary& library = g_layer_libraries[layer_->library_idx]; 38780523e2e39c29b06ab40573468dde43a9867f487Jesse Hall std::lock_guard<std::mutex> lock(g_library_mutex); 38880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall if (--library.refcount == 0) { 38954e6f086a6b373a0f496343451a76dde8aa86238Michael Lentine ALOGV("Closing library %s", library.path.c_str()); 39080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall dlclose(library.dlhandle); 39180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall library.dlhandle = nullptr; 39280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 39354e6f086a6b373a0f496343451a76dde8aa86238Michael Lentine ALOGV("Refcount on destruction is %zu", library.refcount); 39480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall } 39580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 39680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 39754e6f086a6b373a0f496343451a76dde8aa86238Michael LentineLayerRef::LayerRef(LayerRef&& other) : layer_(std::move(other.layer_)) { 39854e6f086a6b373a0f496343451a76dde8aa86238Michael Lentine other.layer_ = nullptr; 39954e6f086a6b373a0f496343451a76dde8aa86238Michael Lentine} 40080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 40180523e2e39c29b06ab40573468dde43a9867f487Jesse HallPFN_vkGetInstanceProcAddr LayerRef::GetGetInstanceProcAddr() const { 40280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return layer_ ? reinterpret_cast<PFN_vkGetInstanceProcAddr>( 40380523e2e39c29b06ab40573468dde43a9867f487Jesse Hall GetLayerGetProcAddr(*layer_, "GetInstanceProcAddr", 19)) 40480523e2e39c29b06ab40573468dde43a9867f487Jesse Hall : nullptr; 40580523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 40680523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 40780523e2e39c29b06ab40573468dde43a9867f487Jesse HallPFN_vkGetDeviceProcAddr LayerRef::GetGetDeviceProcAddr() const { 40880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall return layer_ ? reinterpret_cast<PFN_vkGetDeviceProcAddr>( 40980523e2e39c29b06ab40573468dde43a9867f487Jesse Hall GetLayerGetProcAddr(*layer_, "GetDeviceProcAddr", 17)) 41080523e2e39c29b06ab40573468dde43a9867f487Jesse Hall : nullptr; 41180523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} 41280523e2e39c29b06ab40573468dde43a9867f487Jesse Hall 413b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hallbool LayerRef::SupportsExtension(const char* name) const { 414b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall return std::find_if(layer_->extensions.cbegin(), layer_->extensions.cend(), 415b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall [=](const VkExtensionProperties& ext) { 416b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall return strcmp(ext.extensionName, name) == 0; 417b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall }) != layer_->extensions.cend(); 418b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall} 419b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall 4206bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse HallInstanceExtension InstanceExtensionFromName(const char* name) { 4216bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall if (strcmp(name, VK_KHR_SURFACE_EXTENSION_NAME) == 0) 4226bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall return kKHR_surface; 4236bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall if (strcmp(name, VK_KHR_ANDROID_SURFACE_EXTENSION_NAME) == 0) 4246bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall return kKHR_android_surface; 4256bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall if (strcmp(name, VK_EXT_DEBUG_REPORT_EXTENSION_NAME) == 0) 4266bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall return kEXT_debug_report; 4276bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall return kInstanceExtensionCount; 4286bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall} 4296bd5dfa9b94d1f1b2d9b6bae52979502c44c2847Jesse Hall 430b147127b06c1ce6443839e8102d1ed2631a57b07Jesse HallDeviceExtension DeviceExtensionFromName(const char* name) { 431b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall if (strcmp(name, VK_KHR_SWAPCHAIN_EXTENSION_NAME) == 0) 432b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall return kKHR_swapchain; 433b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall if (strcmp(name, VK_ANDROID_NATIVE_BUFFER_EXTENSION_NAME) == 0) 434b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall return kANDROID_native_buffer; 435b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall return kDeviceExtensionCount; 436b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall} 437b147127b06c1ce6443839e8102d1ed2631a57b07Jesse Hall 43880523e2e39c29b06ab40573468dde43a9867f487Jesse Hall} // namespace vulkan 439