|  | /* | 
|  | * Copyright 2016 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | *      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | #define ATRACE_TAG ATRACE_TAG_GRAPHICS | 
|  |  | 
|  | #include "driver.h" | 
|  |  | 
|  | #include <dlfcn.h> | 
|  | #include <malloc.h> | 
|  | #include <stdlib.h> | 
|  | #include <string.h> | 
|  |  | 
|  | #include <SurfaceFlingerProperties.h> | 
|  | #include <android-base/properties.h> | 
|  | #include <android/dlext.h> | 
|  | #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h> | 
|  | #include <configstore/Utils.h> | 
|  | #include <graphicsenv/GraphicsEnv.h> | 
|  | #include <log/log.h> | 
|  | #include <sys/prctl.h> | 
|  | #include <utils/Timers.h> | 
|  | #include <utils/Trace.h> | 
|  | #include <vndksupport/linker.h> | 
|  |  | 
|  | #include <algorithm> | 
|  | #include <array> | 
|  | #include <climits> | 
|  | #include <new> | 
|  | #include <vector> | 
|  |  | 
|  | #include "stubhal.h" | 
|  |  | 
|  | using namespace android::hardware::configstore; | 
|  | using namespace android::hardware::configstore::V1_0; | 
|  |  | 
|  | // #define ENABLE_ALLOC_CALLSTACKS 1 | 
|  | #if ENABLE_ALLOC_CALLSTACKS | 
|  | #include <utils/CallStack.h> | 
|  | #define ALOGD_CALLSTACK(...)                             \ | 
|  | do {                                                 \ | 
|  | ALOGD(__VA_ARGS__);                              \ | 
|  | android::CallStack callstack;                    \ | 
|  | callstack.update();                              \ | 
|  | callstack.log(LOG_TAG, ANDROID_LOG_DEBUG, "  "); \ | 
|  | } while (false) | 
|  | #else | 
|  | #define ALOGD_CALLSTACK(...) \ | 
|  | do {                     \ | 
|  | } while (false) | 
|  | #endif | 
|  |  | 
|  | namespace vulkan { | 
|  | namespace driver { | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | class Hal { | 
|  | public: | 
|  | static bool Open(); | 
|  |  | 
|  | static const Hal& Get() { return hal_; } | 
|  | static const hwvulkan_device_t& Device() { return *Get().dev_; } | 
|  |  | 
|  | int GetDebugReportIndex() const { return debug_report_index_; } | 
|  |  | 
|  | private: | 
|  | Hal() : dev_(nullptr), debug_report_index_(-1) {} | 
|  | Hal(const Hal&) = delete; | 
|  | Hal& operator=(const Hal&) = delete; | 
|  |  | 
|  | bool ShouldUnloadBuiltinDriver(); | 
|  | void UnloadBuiltinDriver(); | 
|  | bool InitDebugReportIndex(); | 
|  |  | 
|  | static Hal hal_; | 
|  |  | 
|  | const hwvulkan_device_t* dev_; | 
|  | int debug_report_index_; | 
|  | }; | 
|  |  | 
|  | class CreateInfoWrapper { | 
|  | public: | 
|  | CreateInfoWrapper(const VkInstanceCreateInfo& create_info, | 
|  | uint32_t icd_api_version, | 
|  | const VkAllocationCallbacks& allocator); | 
|  | CreateInfoWrapper(VkPhysicalDevice physical_dev, | 
|  | const VkDeviceCreateInfo& create_info, | 
|  | uint32_t icd_api_version, | 
|  | const VkAllocationCallbacks& allocator); | 
|  | ~CreateInfoWrapper(); | 
|  |  | 
|  | VkResult Validate(); | 
|  |  | 
|  | const std::bitset<ProcHook::EXTENSION_COUNT>& GetHookExtensions() const; | 
|  | const std::bitset<ProcHook::EXTENSION_COUNT>& GetHalExtensions() const; | 
|  |  | 
|  | explicit operator const VkInstanceCreateInfo*() const; | 
|  | explicit operator const VkDeviceCreateInfo*() const; | 
|  |  | 
|  | private: | 
|  | struct ExtensionFilter { | 
|  | VkExtensionProperties* exts; | 
|  | uint32_t ext_count; | 
|  |  | 
|  | const char** names; | 
|  | uint32_t name_count; | 
|  | ExtensionFilter() | 
|  | : exts(nullptr), ext_count(0), names(nullptr), name_count(0) {} | 
|  | }; | 
|  |  | 
|  | VkResult SanitizeApiVersion(); | 
|  | VkResult SanitizePNext(); | 
|  | VkResult SanitizeLayers(); | 
|  | VkResult SanitizeExtensions(); | 
|  |  | 
|  | VkResult QueryExtensionCount(uint32_t& count) const; | 
|  | VkResult EnumerateExtensions(uint32_t& count, | 
|  | VkExtensionProperties* props) const; | 
|  | VkResult InitExtensionFilter(); | 
|  | void FilterExtension(const char* name); | 
|  |  | 
|  | const bool is_instance_; | 
|  | const VkAllocationCallbacks& allocator_; | 
|  | const uint32_t loader_api_version_; | 
|  | const uint32_t icd_api_version_; | 
|  |  | 
|  | VkPhysicalDevice physical_dev_; | 
|  |  | 
|  | union { | 
|  | VkInstanceCreateInfo instance_info_; | 
|  | VkDeviceCreateInfo dev_info_; | 
|  | }; | 
|  |  | 
|  | VkApplicationInfo application_info_; | 
|  |  | 
|  | ExtensionFilter extension_filter_; | 
|  |  | 
|  | std::bitset<ProcHook::EXTENSION_COUNT> hook_extensions_; | 
|  | std::bitset<ProcHook::EXTENSION_COUNT> hal_extensions_; | 
|  | }; | 
|  |  | 
|  | Hal Hal::hal_; | 
|  |  | 
|  | const std::array<const char*, 2> HAL_SUBNAME_KEY_PROPERTIES = {{ | 
|  | "ro.hardware.vulkan", | 
|  | "ro.board.platform", | 
|  | }}; | 
|  | constexpr int LIB_DL_FLAGS = RTLD_LOCAL | RTLD_NOW; | 
|  |  | 
|  | // LoadDriver returns: | 
|  | // * 0 when succeed, or | 
|  | // * -ENOENT when fail to open binary libraries, or | 
|  | // * -EINVAL when fail to find HAL_MODULE_INFO_SYM_AS_STR or | 
|  | //   HWVULKAN_HARDWARE_MODULE_ID in the library. | 
|  | int LoadDriver(android_namespace_t* library_namespace, | 
|  | const hwvulkan_module_t** module) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | void* so = nullptr; | 
|  | for (auto key : HAL_SUBNAME_KEY_PROPERTIES) { | 
|  | std::string lib_name = android::base::GetProperty(key, ""); | 
|  | if (lib_name.empty()) | 
|  | continue; | 
|  |  | 
|  | lib_name = "vulkan." + lib_name + ".so"; | 
|  | if (library_namespace) { | 
|  | // load updated driver | 
|  | const android_dlextinfo dlextinfo = { | 
|  | .flags = ANDROID_DLEXT_USE_NAMESPACE, | 
|  | .library_namespace = library_namespace, | 
|  | }; | 
|  | so = android_dlopen_ext(lib_name.c_str(), LIB_DL_FLAGS, &dlextinfo); | 
|  | ALOGE("Could not load %s from updatable gfx driver namespace: %s.", | 
|  | lib_name.c_str(), dlerror()); | 
|  | } else { | 
|  | // load built-in driver | 
|  | so = android_load_sphal_library(lib_name.c_str(), LIB_DL_FLAGS); | 
|  | } | 
|  | if (so) | 
|  | break; | 
|  | } | 
|  | if (!so) | 
|  | return -ENOENT; | 
|  |  | 
|  | auto hmi = static_cast<hw_module_t*>(dlsym(so, HAL_MODULE_INFO_SYM_AS_STR)); | 
|  | if (!hmi) { | 
|  | ALOGE("couldn't find symbol '%s' in HAL library: %s", HAL_MODULE_INFO_SYM_AS_STR, dlerror()); | 
|  | dlclose(so); | 
|  | return -EINVAL; | 
|  | } | 
|  | if (strcmp(hmi->id, HWVULKAN_HARDWARE_MODULE_ID) != 0) { | 
|  | ALOGE("HAL id '%s' != '%s'", hmi->id, HWVULKAN_HARDWARE_MODULE_ID); | 
|  | dlclose(so); | 
|  | return -EINVAL; | 
|  | } | 
|  | hmi->dso = so; | 
|  | *module = reinterpret_cast<const hwvulkan_module_t*>(hmi); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int LoadBuiltinDriver(const hwvulkan_module_t** module) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | android::GraphicsEnv::getInstance().setDriverToLoad( | 
|  | android::GpuStatsInfo::Driver::VULKAN); | 
|  | return LoadDriver(nullptr, module); | 
|  | } | 
|  |  | 
|  | int LoadUpdatedDriver(const hwvulkan_module_t** module) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | auto ns = android::GraphicsEnv::getInstance().getDriverNamespace(); | 
|  | if (!ns) | 
|  | return -ENOENT; | 
|  | android::GraphicsEnv::getInstance().setDriverToLoad( | 
|  | android::GpuStatsInfo::Driver::VULKAN_UPDATED); | 
|  | int result = LoadDriver(ns, module); | 
|  | if (result != 0) { | 
|  | LOG_ALWAYS_FATAL( | 
|  | "couldn't find an updated Vulkan implementation from %s", | 
|  | android::GraphicsEnv::getInstance().getDriverPath().c_str()); | 
|  | } | 
|  | return result; | 
|  | } | 
|  |  | 
|  | bool Hal::Open() { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const nsecs_t openTime = systemTime(); | 
|  |  | 
|  | if (hal_.ShouldUnloadBuiltinDriver()) { | 
|  | hal_.UnloadBuiltinDriver(); | 
|  | } | 
|  |  | 
|  | if (hal_.dev_) | 
|  | return true; | 
|  |  | 
|  | // Use a stub device unless we successfully open a real HAL device. | 
|  | hal_.dev_ = &stubhal::kDevice; | 
|  |  | 
|  | int result; | 
|  | const hwvulkan_module_t* module = nullptr; | 
|  |  | 
|  | result = LoadUpdatedDriver(&module); | 
|  | if (result == -ENOENT) { | 
|  | result = LoadBuiltinDriver(&module); | 
|  | } | 
|  | if (result != 0) { | 
|  | android::GraphicsEnv::getInstance().setDriverLoaded( | 
|  | android::GpuStatsInfo::Api::API_VK, false, systemTime() - openTime); | 
|  | ALOGV("unable to load Vulkan HAL, using stub HAL (result=%d)", result); | 
|  | return true; | 
|  | } | 
|  |  | 
|  |  | 
|  | hwvulkan_device_t* device; | 
|  | ATRACE_BEGIN("hwvulkan module open"); | 
|  | result = | 
|  | module->common.methods->open(&module->common, HWVULKAN_DEVICE_0, | 
|  | reinterpret_cast<hw_device_t**>(&device)); | 
|  | ATRACE_END(); | 
|  | if (result != 0) { | 
|  | android::GraphicsEnv::getInstance().setDriverLoaded( | 
|  | android::GpuStatsInfo::Api::API_VK, false, systemTime() - openTime); | 
|  | // Any device with a Vulkan HAL should be able to open the device. | 
|  | ALOGE("failed to open Vulkan HAL device: %s (%d)", strerror(-result), | 
|  | result); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | hal_.dev_ = device; | 
|  |  | 
|  | hal_.InitDebugReportIndex(); | 
|  |  | 
|  | android::GraphicsEnv::getInstance().setDriverLoaded( | 
|  | android::GpuStatsInfo::Api::API_VK, true, systemTime() - openTime); | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | bool Hal::ShouldUnloadBuiltinDriver() { | 
|  | // Should not unload since the driver was not loaded | 
|  | if (!hal_.dev_) | 
|  | return false; | 
|  |  | 
|  | // Should not unload if stubhal is used on the device | 
|  | if (hal_.dev_ == &stubhal::kDevice) | 
|  | return false; | 
|  |  | 
|  | // Unload the driver if updated driver is chosen | 
|  | if (android::GraphicsEnv::getInstance().getDriverNamespace()) | 
|  | return true; | 
|  |  | 
|  | return false; | 
|  | } | 
|  |  | 
|  | void Hal::UnloadBuiltinDriver() { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | ALOGD("Unload builtin Vulkan driver."); | 
|  |  | 
|  | // Close the opened device | 
|  | ALOG_ASSERT(!hal_.dev_->common.close(hal_.dev_->common), | 
|  | "hw_device_t::close() failed."); | 
|  |  | 
|  | // Close the opened shared library in the hw_module_t | 
|  | android_unload_sphal_library(hal_.dev_->common.module->dso); | 
|  |  | 
|  | hal_.dev_ = nullptr; | 
|  | hal_.debug_report_index_ = -1; | 
|  | } | 
|  |  | 
|  | bool Hal::InitDebugReportIndex() { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | uint32_t count; | 
|  | if (dev_->EnumerateInstanceExtensionProperties(nullptr, &count, nullptr) != | 
|  | VK_SUCCESS) { | 
|  | ALOGE("failed to get HAL instance extension count"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | VkExtensionProperties* exts = reinterpret_cast<VkExtensionProperties*>( | 
|  | malloc(sizeof(VkExtensionProperties) * count)); | 
|  | if (!exts) { | 
|  | ALOGE("failed to allocate HAL instance extension array"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | if (dev_->EnumerateInstanceExtensionProperties(nullptr, &count, exts) != | 
|  | VK_SUCCESS) { | 
|  | ALOGE("failed to enumerate HAL instance extensions"); | 
|  | free(exts); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | for (uint32_t i = 0; i < count; i++) { | 
|  | if (strcmp(exts[i].extensionName, VK_EXT_DEBUG_REPORT_EXTENSION_NAME) == | 
|  | 0) { | 
|  | debug_report_index_ = static_cast<int>(i); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | free(exts); | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | CreateInfoWrapper::CreateInfoWrapper(const VkInstanceCreateInfo& create_info, | 
|  | uint32_t icd_api_version, | 
|  | const VkAllocationCallbacks& allocator) | 
|  | : is_instance_(true), | 
|  | allocator_(allocator), | 
|  | loader_api_version_(VK_API_VERSION_1_1), | 
|  | icd_api_version_(icd_api_version), | 
|  | physical_dev_(VK_NULL_HANDLE), | 
|  | instance_info_(create_info), | 
|  | extension_filter_() {} | 
|  |  | 
|  | CreateInfoWrapper::CreateInfoWrapper(VkPhysicalDevice physical_dev, | 
|  | const VkDeviceCreateInfo& create_info, | 
|  | uint32_t icd_api_version, | 
|  | const VkAllocationCallbacks& allocator) | 
|  | : is_instance_(false), | 
|  | allocator_(allocator), | 
|  | loader_api_version_(VK_API_VERSION_1_1), | 
|  | icd_api_version_(icd_api_version), | 
|  | physical_dev_(physical_dev), | 
|  | dev_info_(create_info), | 
|  | extension_filter_() {} | 
|  |  | 
|  | CreateInfoWrapper::~CreateInfoWrapper() { | 
|  | allocator_.pfnFree(allocator_.pUserData, extension_filter_.exts); | 
|  | allocator_.pfnFree(allocator_.pUserData, extension_filter_.names); | 
|  | } | 
|  |  | 
|  | VkResult CreateInfoWrapper::Validate() { | 
|  | VkResult result = SanitizeApiVersion(); | 
|  | if (result == VK_SUCCESS) | 
|  | result = SanitizePNext(); | 
|  | if (result == VK_SUCCESS) | 
|  | result = SanitizeLayers(); | 
|  | if (result == VK_SUCCESS) | 
|  | result = SanitizeExtensions(); | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | const std::bitset<ProcHook::EXTENSION_COUNT>& | 
|  | CreateInfoWrapper::GetHookExtensions() const { | 
|  | return hook_extensions_; | 
|  | } | 
|  |  | 
|  | const std::bitset<ProcHook::EXTENSION_COUNT>& | 
|  | CreateInfoWrapper::GetHalExtensions() const { | 
|  | return hal_extensions_; | 
|  | } | 
|  |  | 
|  | CreateInfoWrapper::operator const VkInstanceCreateInfo*() const { | 
|  | return &instance_info_; | 
|  | } | 
|  |  | 
|  | CreateInfoWrapper::operator const VkDeviceCreateInfo*() const { | 
|  | return &dev_info_; | 
|  | } | 
|  |  | 
|  | VkResult CreateInfoWrapper::SanitizeApiVersion() { | 
|  | if (!is_instance_ || !instance_info_.pApplicationInfo) | 
|  | return VK_SUCCESS; | 
|  |  | 
|  | if (icd_api_version_ > VK_API_VERSION_1_0 || | 
|  | instance_info_.pApplicationInfo->apiVersion < VK_API_VERSION_1_1) | 
|  | return VK_SUCCESS; | 
|  |  | 
|  | // override apiVersion to avoid error return from 1.0 icd | 
|  | application_info_ = *instance_info_.pApplicationInfo; | 
|  | application_info_.apiVersion = VK_API_VERSION_1_0; | 
|  | instance_info_.pApplicationInfo = &application_info_; | 
|  |  | 
|  | return VK_SUCCESS; | 
|  | } | 
|  |  | 
|  | VkResult CreateInfoWrapper::SanitizePNext() { | 
|  | const struct StructHeader { | 
|  | VkStructureType type; | 
|  | const void* next; | 
|  | } * header; | 
|  |  | 
|  | if (is_instance_) { | 
|  | header = reinterpret_cast<const StructHeader*>(instance_info_.pNext); | 
|  |  | 
|  | // skip leading VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFOs | 
|  | while (header && | 
|  | header->type == VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO) | 
|  | header = reinterpret_cast<const StructHeader*>(header->next); | 
|  |  | 
|  | instance_info_.pNext = header; | 
|  | } else { | 
|  | header = reinterpret_cast<const StructHeader*>(dev_info_.pNext); | 
|  |  | 
|  | // skip leading VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFOs | 
|  | while (header && | 
|  | header->type == VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO) | 
|  | header = reinterpret_cast<const StructHeader*>(header->next); | 
|  |  | 
|  | dev_info_.pNext = header; | 
|  | } | 
|  |  | 
|  | return VK_SUCCESS; | 
|  | } | 
|  |  | 
|  | VkResult CreateInfoWrapper::SanitizeLayers() { | 
|  | auto& layer_names = (is_instance_) ? instance_info_.ppEnabledLayerNames | 
|  | : dev_info_.ppEnabledLayerNames; | 
|  | auto& layer_count = (is_instance_) ? instance_info_.enabledLayerCount | 
|  | : dev_info_.enabledLayerCount; | 
|  |  | 
|  | // remove all layers | 
|  | layer_names = nullptr; | 
|  | layer_count = 0; | 
|  |  | 
|  | return VK_SUCCESS; | 
|  | } | 
|  |  | 
|  | VkResult CreateInfoWrapper::SanitizeExtensions() { | 
|  | auto& ext_names = (is_instance_) ? instance_info_.ppEnabledExtensionNames | 
|  | : dev_info_.ppEnabledExtensionNames; | 
|  | auto& ext_count = (is_instance_) ? instance_info_.enabledExtensionCount | 
|  | : dev_info_.enabledExtensionCount; | 
|  |  | 
|  | VkResult result = InitExtensionFilter(); | 
|  | if (result != VK_SUCCESS) | 
|  | return result; | 
|  |  | 
|  | if (is_instance_ && icd_api_version_ < loader_api_version_) { | 
|  | for (uint32_t i = 0; i < ext_count; i++) { | 
|  | // Upon api downgrade, skip the promoted instance extensions in the | 
|  | // first pass to avoid duplicate extensions. | 
|  | const std::optional<uint32_t> version = | 
|  | GetInstanceExtensionPromotedVersion(ext_names[i]); | 
|  | if (version && *version > icd_api_version_ && | 
|  | *version <= loader_api_version_) | 
|  | continue; | 
|  |  | 
|  | FilterExtension(ext_names[i]); | 
|  | } | 
|  |  | 
|  | // Enable the required extensions to support core functionalities. | 
|  | const auto promoted_extensions = GetPromotedInstanceExtensions( | 
|  | icd_api_version_, loader_api_version_); | 
|  | for (const auto& promoted_extension : promoted_extensions) | 
|  | FilterExtension(promoted_extension); | 
|  | } else { | 
|  | for (uint32_t i = 0; i < ext_count; i++) | 
|  | FilterExtension(ext_names[i]); | 
|  | } | 
|  |  | 
|  | // Enable device extensions that contain physical-device commands, so that | 
|  | // vkGetInstanceProcAddr will return those physical-device commands. | 
|  | if (is_instance_) { | 
|  | hook_extensions_.set(ProcHook::KHR_swapchain); | 
|  | } | 
|  |  | 
|  | const uint32_t api_version = | 
|  | is_instance_ ? loader_api_version_ | 
|  | : std::min(icd_api_version_, loader_api_version_); | 
|  | switch (api_version) { | 
|  | case VK_API_VERSION_1_1: | 
|  | hook_extensions_.set(ProcHook::EXTENSION_CORE_1_1); | 
|  | hal_extensions_.set(ProcHook::EXTENSION_CORE_1_1); | 
|  | [[clang::fallthrough]]; | 
|  | case VK_API_VERSION_1_0: | 
|  | hook_extensions_.set(ProcHook::EXTENSION_CORE_1_0); | 
|  | hal_extensions_.set(ProcHook::EXTENSION_CORE_1_0); | 
|  | break; | 
|  | default: | 
|  | ALOGE("Unknown API version[%u]", api_version); | 
|  | break; | 
|  | } | 
|  |  | 
|  | ext_names = extension_filter_.names; | 
|  | ext_count = extension_filter_.name_count; | 
|  |  | 
|  | return VK_SUCCESS; | 
|  | } | 
|  |  | 
|  | VkResult CreateInfoWrapper::QueryExtensionCount(uint32_t& count) const { | 
|  | if (is_instance_) { | 
|  | return Hal::Device().EnumerateInstanceExtensionProperties( | 
|  | nullptr, &count, nullptr); | 
|  | } else { | 
|  | const auto& driver = GetData(physical_dev_).driver; | 
|  | return driver.EnumerateDeviceExtensionProperties(physical_dev_, nullptr, | 
|  | &count, nullptr); | 
|  | } | 
|  | } | 
|  |  | 
|  | VkResult CreateInfoWrapper::EnumerateExtensions( | 
|  | uint32_t& count, | 
|  | VkExtensionProperties* props) const { | 
|  | if (is_instance_) { | 
|  | return Hal::Device().EnumerateInstanceExtensionProperties( | 
|  | nullptr, &count, props); | 
|  | } else { | 
|  | const auto& driver = GetData(physical_dev_).driver; | 
|  | return driver.EnumerateDeviceExtensionProperties(physical_dev_, nullptr, | 
|  | &count, props); | 
|  | } | 
|  | } | 
|  |  | 
|  | VkResult CreateInfoWrapper::InitExtensionFilter() { | 
|  | // query extension count | 
|  | uint32_t count; | 
|  | VkResult result = QueryExtensionCount(count); | 
|  | if (result != VK_SUCCESS || count == 0) | 
|  | return result; | 
|  |  | 
|  | auto& filter = extension_filter_; | 
|  | filter.exts = | 
|  | reinterpret_cast<VkExtensionProperties*>(allocator_.pfnAllocation( | 
|  | allocator_.pUserData, sizeof(VkExtensionProperties) * count, | 
|  | alignof(VkExtensionProperties), | 
|  | VK_SYSTEM_ALLOCATION_SCOPE_COMMAND)); | 
|  | if (!filter.exts) | 
|  | return VK_ERROR_OUT_OF_HOST_MEMORY; | 
|  |  | 
|  | // enumerate extensions | 
|  | result = EnumerateExtensions(count, filter.exts); | 
|  | if (result != VK_SUCCESS && result != VK_INCOMPLETE) | 
|  | return result; | 
|  |  | 
|  | if (!count) | 
|  | return VK_SUCCESS; | 
|  |  | 
|  | filter.ext_count = count; | 
|  |  | 
|  | // allocate name array | 
|  | if (is_instance_) { | 
|  | uint32_t enabled_ext_count = instance_info_.enabledExtensionCount; | 
|  |  | 
|  | // It requires enabling additional promoted extensions to downgrade api, | 
|  | // so we reserve enough space here. | 
|  | if (icd_api_version_ < loader_api_version_) { | 
|  | enabled_ext_count += CountPromotedInstanceExtensions( | 
|  | icd_api_version_, loader_api_version_); | 
|  | } | 
|  |  | 
|  | count = std::min(filter.ext_count, enabled_ext_count); | 
|  | } else { | 
|  | count = std::min(filter.ext_count, dev_info_.enabledExtensionCount); | 
|  | } | 
|  |  | 
|  | if (!count) | 
|  | return VK_SUCCESS; | 
|  |  | 
|  | filter.names = reinterpret_cast<const char**>(allocator_.pfnAllocation( | 
|  | allocator_.pUserData, sizeof(const char*) * count, alignof(const char*), | 
|  | VK_SYSTEM_ALLOCATION_SCOPE_COMMAND)); | 
|  | if (!filter.names) | 
|  | return VK_ERROR_OUT_OF_HOST_MEMORY; | 
|  |  | 
|  | return VK_SUCCESS; | 
|  | } | 
|  |  | 
|  | void CreateInfoWrapper::FilterExtension(const char* name) { | 
|  | auto& filter = extension_filter_; | 
|  |  | 
|  | ProcHook::Extension ext_bit = GetProcHookExtension(name); | 
|  | if (is_instance_) { | 
|  | switch (ext_bit) { | 
|  | case ProcHook::KHR_android_surface: | 
|  | case ProcHook::KHR_surface: | 
|  | case ProcHook::EXT_swapchain_colorspace: | 
|  | case ProcHook::KHR_get_surface_capabilities2: | 
|  | hook_extensions_.set(ext_bit); | 
|  | // return now as these extensions do not require HAL support | 
|  | return; | 
|  | case ProcHook::EXT_debug_report: | 
|  | // both we and HAL can take part in | 
|  | hook_extensions_.set(ext_bit); | 
|  | break; | 
|  | case ProcHook::KHR_get_physical_device_properties2: | 
|  | case ProcHook::KHR_device_group_creation: | 
|  | case ProcHook::KHR_external_memory_capabilities: | 
|  | case ProcHook::KHR_external_semaphore_capabilities: | 
|  | case ProcHook::KHR_external_fence_capabilities: | 
|  | case ProcHook::EXTENSION_UNKNOWN: | 
|  | // Extensions we don't need to do anything about at this level | 
|  | break; | 
|  |  | 
|  | case ProcHook::KHR_bind_memory2: | 
|  | case ProcHook::KHR_incremental_present: | 
|  | case ProcHook::KHR_shared_presentable_image: | 
|  | case ProcHook::KHR_swapchain: | 
|  | case ProcHook::EXT_hdr_metadata: | 
|  | case ProcHook::ANDROID_external_memory_android_hardware_buffer: | 
|  | case ProcHook::ANDROID_native_buffer: | 
|  | case ProcHook::GOOGLE_display_timing: | 
|  | case ProcHook::EXTENSION_CORE_1_0: | 
|  | case ProcHook::EXTENSION_CORE_1_1: | 
|  | case ProcHook::EXTENSION_CORE_1_2: | 
|  | case ProcHook::EXTENSION_COUNT: | 
|  | // Device and meta extensions. If we ever get here it's a bug in | 
|  | // our code. But enumerating them lets us avoid having a default | 
|  | // case, and default hides other bugs. | 
|  | ALOGE( | 
|  | "CreateInfoWrapper::FilterExtension: invalid instance " | 
|  | "extension '%s'. FIX ME", | 
|  | name); | 
|  | return; | 
|  |  | 
|  | // Don't use a default case. Without it, -Wswitch will tell us | 
|  | // at compile time if someone adds a new ProcHook extension but | 
|  | // doesn't handle it above. That's a real bug that has | 
|  | // not-immediately-obvious effects. | 
|  | // | 
|  | // default: | 
|  | //     break; | 
|  | } | 
|  | } else { | 
|  | switch (ext_bit) { | 
|  | case ProcHook::KHR_swapchain: | 
|  | // map VK_KHR_swapchain to VK_ANDROID_native_buffer | 
|  | name = VK_ANDROID_NATIVE_BUFFER_EXTENSION_NAME; | 
|  | ext_bit = ProcHook::ANDROID_native_buffer; | 
|  | break; | 
|  | case ProcHook::KHR_incremental_present: | 
|  | case ProcHook::GOOGLE_display_timing: | 
|  | case ProcHook::KHR_shared_presentable_image: | 
|  | hook_extensions_.set(ext_bit); | 
|  | // return now as these extensions do not require HAL support | 
|  | return; | 
|  | case ProcHook::EXT_hdr_metadata: | 
|  | case ProcHook::KHR_bind_memory2: | 
|  | hook_extensions_.set(ext_bit); | 
|  | break; | 
|  | case ProcHook::ANDROID_external_memory_android_hardware_buffer: | 
|  | case ProcHook::EXTENSION_UNKNOWN: | 
|  | // Extensions we don't need to do anything about at this level | 
|  | break; | 
|  |  | 
|  | case ProcHook::KHR_android_surface: | 
|  | case ProcHook::KHR_get_physical_device_properties2: | 
|  | case ProcHook::KHR_device_group_creation: | 
|  | case ProcHook::KHR_external_memory_capabilities: | 
|  | case ProcHook::KHR_external_semaphore_capabilities: | 
|  | case ProcHook::KHR_external_fence_capabilities: | 
|  | case ProcHook::KHR_get_surface_capabilities2: | 
|  | case ProcHook::KHR_surface: | 
|  | case ProcHook::EXT_debug_report: | 
|  | case ProcHook::EXT_swapchain_colorspace: | 
|  | case ProcHook::ANDROID_native_buffer: | 
|  | case ProcHook::EXTENSION_CORE_1_0: | 
|  | case ProcHook::EXTENSION_CORE_1_1: | 
|  | case ProcHook::EXTENSION_CORE_1_2: | 
|  | case ProcHook::EXTENSION_COUNT: | 
|  | // Instance and meta extensions. If we ever get here it's a bug | 
|  | // in our code. But enumerating them lets us avoid having a | 
|  | // default case, and default hides other bugs. | 
|  | ALOGE( | 
|  | "CreateInfoWrapper::FilterExtension: invalid device " | 
|  | "extension '%s'. FIX ME", | 
|  | name); | 
|  | return; | 
|  |  | 
|  | // Don't use a default case. Without it, -Wswitch will tell us | 
|  | // at compile time if someone adds a new ProcHook extension but | 
|  | // doesn't handle it above. That's a real bug that has | 
|  | // not-immediately-obvious effects. | 
|  | // | 
|  | // default: | 
|  | //     break; | 
|  | } | 
|  | } | 
|  |  | 
|  | for (uint32_t i = 0; i < filter.ext_count; i++) { | 
|  | const VkExtensionProperties& props = filter.exts[i]; | 
|  | // ignore unknown extensions | 
|  | if (strcmp(name, props.extensionName) != 0) | 
|  | continue; | 
|  |  | 
|  | filter.names[filter.name_count++] = name; | 
|  | if (ext_bit != ProcHook::EXTENSION_UNKNOWN) { | 
|  | if (ext_bit == ProcHook::ANDROID_native_buffer) | 
|  | hook_extensions_.set(ProcHook::KHR_swapchain); | 
|  |  | 
|  | hal_extensions_.set(ext_bit); | 
|  | } | 
|  |  | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | VKAPI_ATTR void* DefaultAllocate(void*, | 
|  | size_t size, | 
|  | size_t alignment, | 
|  | VkSystemAllocationScope) { | 
|  | void* ptr = nullptr; | 
|  | // Vulkan requires 'alignment' to be a power of two, but posix_memalign | 
|  | // additionally requires that it be at least sizeof(void*). | 
|  | int ret = posix_memalign(&ptr, std::max(alignment, sizeof(void*)), size); | 
|  | ALOGD_CALLSTACK("Allocate: size=%zu align=%zu => (%d) %p", size, alignment, | 
|  | ret, ptr); | 
|  | return ret == 0 ? ptr : nullptr; | 
|  | } | 
|  |  | 
|  | VKAPI_ATTR void* DefaultReallocate(void*, | 
|  | void* ptr, | 
|  | size_t size, | 
|  | size_t alignment, | 
|  | VkSystemAllocationScope) { | 
|  | if (size == 0) { | 
|  | free(ptr); | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | // TODO(b/143295633): Right now we never shrink allocations; if the new | 
|  | // request is smaller than the existing chunk, we just continue using it. | 
|  | // Right now the loader never reallocs, so this doesn't matter. If that | 
|  | // changes, or if this code is copied into some other project, this should | 
|  | // probably have a heuristic to allocate-copy-free when doing so will save | 
|  | // "enough" space. | 
|  | size_t old_size = ptr ? malloc_usable_size(ptr) : 0; | 
|  | if (size <= old_size) | 
|  | return ptr; | 
|  |  | 
|  | void* new_ptr = nullptr; | 
|  | if (posix_memalign(&new_ptr, std::max(alignment, sizeof(void*)), size) != 0) | 
|  | return nullptr; | 
|  | if (ptr) { | 
|  | memcpy(new_ptr, ptr, std::min(old_size, size)); | 
|  | free(ptr); | 
|  | } | 
|  | return new_ptr; | 
|  | } | 
|  |  | 
|  | VKAPI_ATTR void DefaultFree(void*, void* ptr) { | 
|  | ALOGD_CALLSTACK("Free: %p", ptr); | 
|  | free(ptr); | 
|  | } | 
|  |  | 
|  | InstanceData* AllocateInstanceData(const VkAllocationCallbacks& allocator) { | 
|  | void* data_mem = allocator.pfnAllocation( | 
|  | allocator.pUserData, sizeof(InstanceData), alignof(InstanceData), | 
|  | VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); | 
|  | if (!data_mem) | 
|  | return nullptr; | 
|  |  | 
|  | return new (data_mem) InstanceData(allocator); | 
|  | } | 
|  |  | 
|  | void FreeInstanceData(InstanceData* data, | 
|  | const VkAllocationCallbacks& allocator) { | 
|  | data->~InstanceData(); | 
|  | allocator.pfnFree(allocator.pUserData, data); | 
|  | } | 
|  |  | 
|  | DeviceData* AllocateDeviceData( | 
|  | const VkAllocationCallbacks& allocator, | 
|  | const DebugReportCallbackList& debug_report_callbacks) { | 
|  | void* data_mem = allocator.pfnAllocation( | 
|  | allocator.pUserData, sizeof(DeviceData), alignof(DeviceData), | 
|  | VK_SYSTEM_ALLOCATION_SCOPE_DEVICE); | 
|  | if (!data_mem) | 
|  | return nullptr; | 
|  |  | 
|  | return new (data_mem) DeviceData(allocator, debug_report_callbacks); | 
|  | } | 
|  |  | 
|  | void FreeDeviceData(DeviceData* data, const VkAllocationCallbacks& allocator) { | 
|  | data->~DeviceData(); | 
|  | allocator.pfnFree(allocator.pUserData, data); | 
|  | } | 
|  |  | 
|  | }  // anonymous namespace | 
|  |  | 
|  | bool OpenHAL() { | 
|  | return Hal::Open(); | 
|  | } | 
|  |  | 
|  | const VkAllocationCallbacks& GetDefaultAllocator() { | 
|  | static const VkAllocationCallbacks kDefaultAllocCallbacks = { | 
|  | .pUserData = nullptr, | 
|  | .pfnAllocation = DefaultAllocate, | 
|  | .pfnReallocation = DefaultReallocate, | 
|  | .pfnFree = DefaultFree, | 
|  | }; | 
|  |  | 
|  | return kDefaultAllocCallbacks; | 
|  | } | 
|  |  | 
|  | PFN_vkVoidFunction GetInstanceProcAddr(VkInstance instance, const char* pName) { | 
|  | const ProcHook* hook = GetProcHook(pName); | 
|  | if (!hook) | 
|  | return Hal::Device().GetInstanceProcAddr(instance, pName); | 
|  |  | 
|  | if (!instance) { | 
|  | if (hook->type == ProcHook::GLOBAL) | 
|  | return hook->proc; | 
|  |  | 
|  | // v0 layers expect | 
|  | // | 
|  | //   vkGetInstanceProcAddr(VK_NULL_HANDLE, "vkCreateDevice"); | 
|  | // | 
|  | // to work. | 
|  | if (strcmp(pName, "vkCreateDevice") == 0) | 
|  | return hook->proc; | 
|  |  | 
|  | ALOGE( | 
|  | "internal vkGetInstanceProcAddr called for %s without an instance", | 
|  | pName); | 
|  |  | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | PFN_vkVoidFunction proc; | 
|  |  | 
|  | switch (hook->type) { | 
|  | case ProcHook::INSTANCE: | 
|  | proc = (GetData(instance).hook_extensions[hook->extension]) | 
|  | ? hook->proc | 
|  | : nullptr; | 
|  | break; | 
|  | case ProcHook::DEVICE: | 
|  | proc = (hook->extension == ProcHook::EXTENSION_CORE_1_0) | 
|  | ? hook->proc | 
|  | : hook->checked_proc; | 
|  | break; | 
|  | default: | 
|  | ALOGE( | 
|  | "internal vkGetInstanceProcAddr called for %s with an instance", | 
|  | pName); | 
|  | proc = nullptr; | 
|  | break; | 
|  | } | 
|  |  | 
|  | return proc; | 
|  | } | 
|  |  | 
|  | PFN_vkVoidFunction GetDeviceProcAddr(VkDevice device, const char* pName) { | 
|  | const ProcHook* hook = GetProcHook(pName); | 
|  | if (!hook) | 
|  | return GetData(device).driver.GetDeviceProcAddr(device, pName); | 
|  |  | 
|  | if (hook->type != ProcHook::DEVICE) { | 
|  | ALOGE("internal vkGetDeviceProcAddr called for %s", pName); | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | return (GetData(device).hook_extensions[hook->extension]) ? hook->proc | 
|  | : nullptr; | 
|  | } | 
|  |  | 
|  | VkResult EnumerateInstanceExtensionProperties( | 
|  | const char* pLayerName, | 
|  | uint32_t* pPropertyCount, | 
|  | VkExtensionProperties* pProperties) { | 
|  | std::vector<VkExtensionProperties> loader_extensions; | 
|  | loader_extensions.push_back({ | 
|  | VK_KHR_SURFACE_EXTENSION_NAME, | 
|  | VK_KHR_SURFACE_SPEC_VERSION}); | 
|  | loader_extensions.push_back({ | 
|  | VK_KHR_ANDROID_SURFACE_EXTENSION_NAME, | 
|  | VK_KHR_ANDROID_SURFACE_SPEC_VERSION}); | 
|  | loader_extensions.push_back({ | 
|  | VK_EXT_SWAPCHAIN_COLOR_SPACE_EXTENSION_NAME, | 
|  | VK_EXT_SWAPCHAIN_COLOR_SPACE_SPEC_VERSION}); | 
|  | loader_extensions.push_back({ | 
|  | VK_KHR_GET_SURFACE_CAPABILITIES_2_EXTENSION_NAME, | 
|  | VK_KHR_GET_SURFACE_CAPABILITIES_2_SPEC_VERSION}); | 
|  |  | 
|  | static const VkExtensionProperties loader_debug_report_extension = { | 
|  | VK_EXT_DEBUG_REPORT_EXTENSION_NAME, VK_EXT_DEBUG_REPORT_SPEC_VERSION, | 
|  | }; | 
|  |  | 
|  | // enumerate our extensions first | 
|  | if (!pLayerName && pProperties) { | 
|  | uint32_t count = std::min( | 
|  | *pPropertyCount, static_cast<uint32_t>(loader_extensions.size())); | 
|  |  | 
|  | std::copy_n(loader_extensions.data(), count, pProperties); | 
|  |  | 
|  | if (count < loader_extensions.size()) { | 
|  | *pPropertyCount = count; | 
|  | return VK_INCOMPLETE; | 
|  | } | 
|  |  | 
|  | pProperties += count; | 
|  | *pPropertyCount -= count; | 
|  |  | 
|  | if (Hal::Get().GetDebugReportIndex() < 0) { | 
|  | if (!*pPropertyCount) { | 
|  | *pPropertyCount = count; | 
|  | return VK_INCOMPLETE; | 
|  | } | 
|  |  | 
|  | pProperties[0] = loader_debug_report_extension; | 
|  | pProperties += 1; | 
|  | *pPropertyCount -= 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | ATRACE_BEGIN("driver.EnumerateInstanceExtensionProperties"); | 
|  | VkResult result = Hal::Device().EnumerateInstanceExtensionProperties( | 
|  | pLayerName, pPropertyCount, pProperties); | 
|  | ATRACE_END(); | 
|  |  | 
|  | if (!pLayerName && (result == VK_SUCCESS || result == VK_INCOMPLETE)) { | 
|  | int idx = Hal::Get().GetDebugReportIndex(); | 
|  | if (idx < 0) { | 
|  | *pPropertyCount += 1; | 
|  | } else if (pProperties && | 
|  | static_cast<uint32_t>(idx) < *pPropertyCount) { | 
|  | pProperties[idx].specVersion = | 
|  | std::min(pProperties[idx].specVersion, | 
|  | loader_debug_report_extension.specVersion); | 
|  | } | 
|  |  | 
|  | *pPropertyCount += loader_extensions.size(); | 
|  | } | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | void QueryPresentationProperties( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | VkPhysicalDevicePresentationPropertiesANDROID* presentation_properties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | // Request the android-specific presentation properties via GPDP2 | 
|  | VkPhysicalDeviceProperties2 properties = { | 
|  | VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2, | 
|  | presentation_properties, | 
|  | {}, | 
|  | }; | 
|  |  | 
|  | #pragma clang diagnostic push | 
|  | #pragma clang diagnostic ignored "-Wold-style-cast" | 
|  | presentation_properties->sType = | 
|  | VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PRESENTATION_PROPERTIES_ANDROID; | 
|  | #pragma clang diagnostic pop | 
|  | presentation_properties->pNext = nullptr; | 
|  | presentation_properties->sharedImage = VK_FALSE; | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceProperties2) { | 
|  | // >= 1.1 driver, supports core GPDP2 entrypoint. | 
|  | driver.GetPhysicalDeviceProperties2(physicalDevice, &properties); | 
|  | } else if (driver.GetPhysicalDeviceProperties2KHR) { | 
|  | // Old driver, but may support presentation properties | 
|  | // if we have the GPDP2 extension. Otherwise, no presentation | 
|  | // properties supported. | 
|  | driver.GetPhysicalDeviceProperties2KHR(physicalDevice, &properties); | 
|  | } | 
|  | } | 
|  |  | 
|  | VkResult EnumerateDeviceExtensionProperties( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | const char* pLayerName, | 
|  | uint32_t* pPropertyCount, | 
|  | VkExtensionProperties* pProperties) { | 
|  | const InstanceData& data = GetData(physicalDevice); | 
|  | // extensions that are unconditionally exposed by the loader | 
|  | std::vector<VkExtensionProperties> loader_extensions; | 
|  | loader_extensions.push_back({ | 
|  | VK_KHR_INCREMENTAL_PRESENT_EXTENSION_NAME, | 
|  | VK_KHR_INCREMENTAL_PRESENT_SPEC_VERSION}); | 
|  |  | 
|  | bool hdrBoardConfig = android::sysprop::has_HDR_display(false); | 
|  | if (hdrBoardConfig) { | 
|  | loader_extensions.push_back({VK_EXT_HDR_METADATA_EXTENSION_NAME, | 
|  | VK_EXT_HDR_METADATA_SPEC_VERSION}); | 
|  | } | 
|  |  | 
|  | VkPhysicalDevicePresentationPropertiesANDROID presentation_properties; | 
|  | QueryPresentationProperties(physicalDevice, &presentation_properties); | 
|  | if (presentation_properties.sharedImage) { | 
|  | loader_extensions.push_back({ | 
|  | VK_KHR_SHARED_PRESENTABLE_IMAGE_EXTENSION_NAME, | 
|  | VK_KHR_SHARED_PRESENTABLE_IMAGE_SPEC_VERSION}); | 
|  | } | 
|  |  | 
|  | // conditionally add VK_GOOGLE_display_timing if present timestamps are | 
|  | // supported by the driver: | 
|  | if (android::base::GetBoolProperty("service.sf.present_timestamp", false)) { | 
|  | loader_extensions.push_back({ | 
|  | VK_GOOGLE_DISPLAY_TIMING_EXTENSION_NAME, | 
|  | VK_GOOGLE_DISPLAY_TIMING_SPEC_VERSION}); | 
|  | } | 
|  |  | 
|  | // enumerate our extensions first | 
|  | if (!pLayerName && pProperties) { | 
|  | uint32_t count = std::min( | 
|  | *pPropertyCount, static_cast<uint32_t>(loader_extensions.size())); | 
|  |  | 
|  | std::copy_n(loader_extensions.data(), count, pProperties); | 
|  |  | 
|  | if (count < loader_extensions.size()) { | 
|  | *pPropertyCount = count; | 
|  | return VK_INCOMPLETE; | 
|  | } | 
|  |  | 
|  | pProperties += count; | 
|  | *pPropertyCount -= count; | 
|  | } | 
|  |  | 
|  | ATRACE_BEGIN("driver.EnumerateDeviceExtensionProperties"); | 
|  | VkResult result = data.driver.EnumerateDeviceExtensionProperties( | 
|  | physicalDevice, pLayerName, pPropertyCount, pProperties); | 
|  | ATRACE_END(); | 
|  |  | 
|  | if (pProperties) { | 
|  | // map VK_ANDROID_native_buffer to VK_KHR_swapchain | 
|  | for (uint32_t i = 0; i < *pPropertyCount; i++) { | 
|  | auto& prop = pProperties[i]; | 
|  |  | 
|  | if (strcmp(prop.extensionName, | 
|  | VK_ANDROID_NATIVE_BUFFER_EXTENSION_NAME) != 0) | 
|  | continue; | 
|  |  | 
|  | memcpy(prop.extensionName, VK_KHR_SWAPCHAIN_EXTENSION_NAME, | 
|  | sizeof(VK_KHR_SWAPCHAIN_EXTENSION_NAME)); | 
|  |  | 
|  | if (prop.specVersion >= 8) { | 
|  | prop.specVersion = VK_KHR_SWAPCHAIN_SPEC_VERSION; | 
|  | } else { | 
|  | prop.specVersion = 68; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // restore loader extension count | 
|  | if (!pLayerName && (result == VK_SUCCESS || result == VK_INCOMPLETE)) { | 
|  | *pPropertyCount += loader_extensions.size(); | 
|  | } | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | VkResult CreateInstance(const VkInstanceCreateInfo* pCreateInfo, | 
|  | const VkAllocationCallbacks* pAllocator, | 
|  | VkInstance* pInstance) { | 
|  | const VkAllocationCallbacks& data_allocator = | 
|  | (pAllocator) ? *pAllocator : GetDefaultAllocator(); | 
|  |  | 
|  | VkResult result = VK_SUCCESS; | 
|  | uint32_t icd_api_version = VK_API_VERSION_1_0; | 
|  | PFN_vkEnumerateInstanceVersion pfn_enumerate_instance_version = | 
|  | reinterpret_cast<PFN_vkEnumerateInstanceVersion>( | 
|  | Hal::Device().GetInstanceProcAddr(nullptr, | 
|  | "vkEnumerateInstanceVersion")); | 
|  | if (pfn_enumerate_instance_version) { | 
|  | ATRACE_BEGIN("pfn_enumerate_instance_version"); | 
|  | result = (*pfn_enumerate_instance_version)(&icd_api_version); | 
|  | ATRACE_END(); | 
|  | if (result != VK_SUCCESS) | 
|  | return result; | 
|  |  | 
|  | icd_api_version ^= VK_VERSION_PATCH(icd_api_version); | 
|  | } | 
|  |  | 
|  | CreateInfoWrapper wrapper(*pCreateInfo, icd_api_version, data_allocator); | 
|  | result = wrapper.Validate(); | 
|  | if (result != VK_SUCCESS) | 
|  | return result; | 
|  |  | 
|  | InstanceData* data = AllocateInstanceData(data_allocator); | 
|  | if (!data) | 
|  | return VK_ERROR_OUT_OF_HOST_MEMORY; | 
|  |  | 
|  | data->hook_extensions |= wrapper.GetHookExtensions(); | 
|  |  | 
|  | // call into the driver | 
|  | VkInstance instance; | 
|  | ATRACE_BEGIN("driver.CreateInstance"); | 
|  | result = Hal::Device().CreateInstance( | 
|  | static_cast<const VkInstanceCreateInfo*>(wrapper), pAllocator, | 
|  | &instance); | 
|  | ATRACE_END(); | 
|  | if (result != VK_SUCCESS) { | 
|  | FreeInstanceData(data, data_allocator); | 
|  | return result; | 
|  | } | 
|  |  | 
|  | // initialize InstanceDriverTable | 
|  | if (!SetData(instance, *data) || | 
|  | !InitDriverTable(instance, Hal::Device().GetInstanceProcAddr, | 
|  | wrapper.GetHalExtensions())) { | 
|  | data->driver.DestroyInstance = reinterpret_cast<PFN_vkDestroyInstance>( | 
|  | Hal::Device().GetInstanceProcAddr(instance, "vkDestroyInstance")); | 
|  | if (data->driver.DestroyInstance) | 
|  | data->driver.DestroyInstance(instance, pAllocator); | 
|  |  | 
|  | FreeInstanceData(data, data_allocator); | 
|  |  | 
|  | return VK_ERROR_INCOMPATIBLE_DRIVER; | 
|  | } | 
|  |  | 
|  | data->get_device_proc_addr = reinterpret_cast<PFN_vkGetDeviceProcAddr>( | 
|  | Hal::Device().GetInstanceProcAddr(instance, "vkGetDeviceProcAddr")); | 
|  | if (!data->get_device_proc_addr) { | 
|  | data->driver.DestroyInstance(instance, pAllocator); | 
|  | FreeInstanceData(data, data_allocator); | 
|  |  | 
|  | return VK_ERROR_INCOMPATIBLE_DRIVER; | 
|  | } | 
|  |  | 
|  | *pInstance = instance; | 
|  |  | 
|  | return VK_SUCCESS; | 
|  | } | 
|  |  | 
|  | void DestroyInstance(VkInstance instance, | 
|  | const VkAllocationCallbacks* pAllocator) { | 
|  | InstanceData& data = GetData(instance); | 
|  | data.driver.DestroyInstance(instance, pAllocator); | 
|  |  | 
|  | VkAllocationCallbacks local_allocator; | 
|  | if (!pAllocator) { | 
|  | local_allocator = data.allocator; | 
|  | pAllocator = &local_allocator; | 
|  | } | 
|  |  | 
|  | FreeInstanceData(&data, *pAllocator); | 
|  | } | 
|  |  | 
|  | VkResult CreateDevice(VkPhysicalDevice physicalDevice, | 
|  | const VkDeviceCreateInfo* pCreateInfo, | 
|  | const VkAllocationCallbacks* pAllocator, | 
|  | VkDevice* pDevice) { | 
|  | const InstanceData& instance_data = GetData(physicalDevice); | 
|  | const VkAllocationCallbacks& data_allocator = | 
|  | (pAllocator) ? *pAllocator : instance_data.allocator; | 
|  |  | 
|  | VkPhysicalDeviceProperties properties; | 
|  | ATRACE_BEGIN("driver.GetPhysicalDeviceProperties"); | 
|  | instance_data.driver.GetPhysicalDeviceProperties(physicalDevice, | 
|  | &properties); | 
|  | ATRACE_END(); | 
|  |  | 
|  | CreateInfoWrapper wrapper( | 
|  | physicalDevice, *pCreateInfo, | 
|  | properties.apiVersion ^ VK_VERSION_PATCH(properties.apiVersion), | 
|  | data_allocator); | 
|  | VkResult result = wrapper.Validate(); | 
|  | if (result != VK_SUCCESS) | 
|  | return result; | 
|  |  | 
|  | ATRACE_BEGIN("AllocateDeviceData"); | 
|  | DeviceData* data = AllocateDeviceData(data_allocator, | 
|  | instance_data.debug_report_callbacks); | 
|  | ATRACE_END(); | 
|  | if (!data) | 
|  | return VK_ERROR_OUT_OF_HOST_MEMORY; | 
|  |  | 
|  | data->hook_extensions |= wrapper.GetHookExtensions(); | 
|  |  | 
|  | // call into the driver | 
|  | VkDevice dev; | 
|  | ATRACE_BEGIN("driver.CreateDevice"); | 
|  | result = instance_data.driver.CreateDevice( | 
|  | physicalDevice, static_cast<const VkDeviceCreateInfo*>(wrapper), | 
|  | pAllocator, &dev); | 
|  | ATRACE_END(); | 
|  | if (result != VK_SUCCESS) { | 
|  | FreeDeviceData(data, data_allocator); | 
|  | return result; | 
|  | } | 
|  |  | 
|  | // initialize DeviceDriverTable | 
|  | if (!SetData(dev, *data) || | 
|  | !InitDriverTable(dev, instance_data.get_device_proc_addr, | 
|  | wrapper.GetHalExtensions())) { | 
|  | data->driver.DestroyDevice = reinterpret_cast<PFN_vkDestroyDevice>( | 
|  | instance_data.get_device_proc_addr(dev, "vkDestroyDevice")); | 
|  | if (data->driver.DestroyDevice) | 
|  | data->driver.DestroyDevice(dev, pAllocator); | 
|  |  | 
|  | FreeDeviceData(data, data_allocator); | 
|  |  | 
|  | return VK_ERROR_INCOMPATIBLE_DRIVER; | 
|  | } | 
|  |  | 
|  | // sanity check ANDROID_native_buffer implementation, whose set of | 
|  | // entrypoints varies according to the spec version. | 
|  | if ((wrapper.GetHalExtensions()[ProcHook::ANDROID_native_buffer]) && | 
|  | !data->driver.GetSwapchainGrallocUsageANDROID && | 
|  | !data->driver.GetSwapchainGrallocUsage2ANDROID) { | 
|  | ALOGE("Driver's implementation of ANDROID_native_buffer is broken;" | 
|  | " must expose at least one of " | 
|  | "vkGetSwapchainGrallocUsageANDROID or " | 
|  | "vkGetSwapchainGrallocUsage2ANDROID"); | 
|  |  | 
|  | data->driver.DestroyDevice(dev, pAllocator); | 
|  | FreeDeviceData(data, data_allocator); | 
|  |  | 
|  | return VK_ERROR_INCOMPATIBLE_DRIVER; | 
|  | } | 
|  |  | 
|  | if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_CPU) { | 
|  | // Log that the app is hitting software Vulkan implementation | 
|  | android::GraphicsEnv::getInstance().setTargetStats( | 
|  | android::GpuStatsInfo::Stats::CPU_VULKAN_IN_USE); | 
|  | } | 
|  |  | 
|  | data->driver_device = dev; | 
|  |  | 
|  | *pDevice = dev; | 
|  |  | 
|  | return VK_SUCCESS; | 
|  | } | 
|  |  | 
|  | void DestroyDevice(VkDevice device, const VkAllocationCallbacks* pAllocator) { | 
|  | DeviceData& data = GetData(device); | 
|  | data.driver.DestroyDevice(device, pAllocator); | 
|  |  | 
|  | VkAllocationCallbacks local_allocator; | 
|  | if (!pAllocator) { | 
|  | local_allocator = data.allocator; | 
|  | pAllocator = &local_allocator; | 
|  | } | 
|  |  | 
|  | FreeDeviceData(&data, *pAllocator); | 
|  | } | 
|  |  | 
|  | VkResult EnumeratePhysicalDevices(VkInstance instance, | 
|  | uint32_t* pPhysicalDeviceCount, | 
|  | VkPhysicalDevice* pPhysicalDevices) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& data = GetData(instance); | 
|  |  | 
|  | VkResult result = data.driver.EnumeratePhysicalDevices( | 
|  | instance, pPhysicalDeviceCount, pPhysicalDevices); | 
|  | if ((result == VK_SUCCESS || result == VK_INCOMPLETE) && pPhysicalDevices) { | 
|  | for (uint32_t i = 0; i < *pPhysicalDeviceCount; i++) | 
|  | SetData(pPhysicalDevices[i], data); | 
|  | } | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | VkResult EnumeratePhysicalDeviceGroups( | 
|  | VkInstance instance, | 
|  | uint32_t* pPhysicalDeviceGroupCount, | 
|  | VkPhysicalDeviceGroupProperties* pPhysicalDeviceGroupProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | VkResult result = VK_SUCCESS; | 
|  | const auto& data = GetData(instance); | 
|  |  | 
|  | if (!data.driver.EnumeratePhysicalDeviceGroups && | 
|  | !data.driver.EnumeratePhysicalDeviceGroupsKHR) { | 
|  | uint32_t device_count = 0; | 
|  | result = EnumeratePhysicalDevices(instance, &device_count, nullptr); | 
|  | if (result < 0) | 
|  | return result; | 
|  |  | 
|  | if (!pPhysicalDeviceGroupProperties) { | 
|  | *pPhysicalDeviceGroupCount = device_count; | 
|  | return result; | 
|  | } | 
|  |  | 
|  | if (!device_count) { | 
|  | *pPhysicalDeviceGroupCount = 0; | 
|  | return result; | 
|  | } | 
|  | device_count = std::min(device_count, *pPhysicalDeviceGroupCount); | 
|  | if (!device_count) | 
|  | return VK_INCOMPLETE; | 
|  |  | 
|  | std::vector<VkPhysicalDevice> devices(device_count); | 
|  | *pPhysicalDeviceGroupCount = device_count; | 
|  | result = | 
|  | EnumeratePhysicalDevices(instance, &device_count, devices.data()); | 
|  | if (result < 0) | 
|  | return result; | 
|  |  | 
|  | for (uint32_t i = 0; i < device_count; ++i) { | 
|  | pPhysicalDeviceGroupProperties[i].physicalDeviceCount = 1; | 
|  | pPhysicalDeviceGroupProperties[i].physicalDevices[0] = devices[i]; | 
|  | pPhysicalDeviceGroupProperties[i].subsetAllocation = 0; | 
|  | } | 
|  | } else { | 
|  | if (data.driver.EnumeratePhysicalDeviceGroups) { | 
|  | result = data.driver.EnumeratePhysicalDeviceGroups( | 
|  | instance, pPhysicalDeviceGroupCount, | 
|  | pPhysicalDeviceGroupProperties); | 
|  | } else { | 
|  | result = data.driver.EnumeratePhysicalDeviceGroupsKHR( | 
|  | instance, pPhysicalDeviceGroupCount, | 
|  | pPhysicalDeviceGroupProperties); | 
|  | } | 
|  | if ((result == VK_SUCCESS || result == VK_INCOMPLETE) && | 
|  | *pPhysicalDeviceGroupCount && pPhysicalDeviceGroupProperties) { | 
|  | for (uint32_t i = 0; i < *pPhysicalDeviceGroupCount; i++) { | 
|  | for (uint32_t j = 0; | 
|  | j < pPhysicalDeviceGroupProperties[i].physicalDeviceCount; | 
|  | j++) { | 
|  | SetData( | 
|  | pPhysicalDeviceGroupProperties[i].physicalDevices[j], | 
|  | data); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | void GetDeviceQueue(VkDevice device, | 
|  | uint32_t queueFamilyIndex, | 
|  | uint32_t queueIndex, | 
|  | VkQueue* pQueue) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& data = GetData(device); | 
|  |  | 
|  | data.driver.GetDeviceQueue(device, queueFamilyIndex, queueIndex, pQueue); | 
|  | SetData(*pQueue, data); | 
|  | } | 
|  |  | 
|  | void GetDeviceQueue2(VkDevice device, | 
|  | const VkDeviceQueueInfo2* pQueueInfo, | 
|  | VkQueue* pQueue) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& data = GetData(device); | 
|  |  | 
|  | data.driver.GetDeviceQueue2(device, pQueueInfo, pQueue); | 
|  | if (*pQueue != VK_NULL_HANDLE) SetData(*pQueue, data); | 
|  | } | 
|  |  | 
|  | VkResult AllocateCommandBuffers( | 
|  | VkDevice device, | 
|  | const VkCommandBufferAllocateInfo* pAllocateInfo, | 
|  | VkCommandBuffer* pCommandBuffers) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& data = GetData(device); | 
|  |  | 
|  | VkResult result = data.driver.AllocateCommandBuffers(device, pAllocateInfo, | 
|  | pCommandBuffers); | 
|  | if (result == VK_SUCCESS) { | 
|  | for (uint32_t i = 0; i < pAllocateInfo->commandBufferCount; i++) | 
|  | SetData(pCommandBuffers[i], data); | 
|  | } | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | VkResult QueueSubmit(VkQueue queue, | 
|  | uint32_t submitCount, | 
|  | const VkSubmitInfo* pSubmits, | 
|  | VkFence fence) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& data = GetData(queue); | 
|  |  | 
|  | return data.driver.QueueSubmit(queue, submitCount, pSubmits, fence); | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceFeatures2(VkPhysicalDevice physicalDevice, | 
|  | VkPhysicalDeviceFeatures2* pFeatures) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceFeatures2) { | 
|  | driver.GetPhysicalDeviceFeatures2(physicalDevice, pFeatures); | 
|  | return; | 
|  | } | 
|  |  | 
|  | driver.GetPhysicalDeviceFeatures2KHR(physicalDevice, pFeatures); | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceProperties2(VkPhysicalDevice physicalDevice, | 
|  | VkPhysicalDeviceProperties2* pProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceProperties2) { | 
|  | driver.GetPhysicalDeviceProperties2(physicalDevice, pProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | driver.GetPhysicalDeviceProperties2KHR(physicalDevice, pProperties); | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceFormatProperties2( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | VkFormat format, | 
|  | VkFormatProperties2* pFormatProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceFormatProperties2) { | 
|  | driver.GetPhysicalDeviceFormatProperties2(physicalDevice, format, | 
|  | pFormatProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | driver.GetPhysicalDeviceFormatProperties2KHR(physicalDevice, format, | 
|  | pFormatProperties); | 
|  | } | 
|  |  | 
|  | VkResult GetPhysicalDeviceImageFormatProperties2( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | const VkPhysicalDeviceImageFormatInfo2* pImageFormatInfo, | 
|  | VkImageFormatProperties2* pImageFormatProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceImageFormatProperties2) { | 
|  | return driver.GetPhysicalDeviceImageFormatProperties2( | 
|  | physicalDevice, pImageFormatInfo, pImageFormatProperties); | 
|  | } | 
|  |  | 
|  | return driver.GetPhysicalDeviceImageFormatProperties2KHR( | 
|  | physicalDevice, pImageFormatInfo, pImageFormatProperties); | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceQueueFamilyProperties2( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | uint32_t* pQueueFamilyPropertyCount, | 
|  | VkQueueFamilyProperties2* pQueueFamilyProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceQueueFamilyProperties2) { | 
|  | driver.GetPhysicalDeviceQueueFamilyProperties2( | 
|  | physicalDevice, pQueueFamilyPropertyCount, pQueueFamilyProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | driver.GetPhysicalDeviceQueueFamilyProperties2KHR( | 
|  | physicalDevice, pQueueFamilyPropertyCount, pQueueFamilyProperties); | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceMemoryProperties2( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | VkPhysicalDeviceMemoryProperties2* pMemoryProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceMemoryProperties2) { | 
|  | driver.GetPhysicalDeviceMemoryProperties2(physicalDevice, | 
|  | pMemoryProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | driver.GetPhysicalDeviceMemoryProperties2KHR(physicalDevice, | 
|  | pMemoryProperties); | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceSparseImageFormatProperties2( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | const VkPhysicalDeviceSparseImageFormatInfo2* pFormatInfo, | 
|  | uint32_t* pPropertyCount, | 
|  | VkSparseImageFormatProperties2* pProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceSparseImageFormatProperties2) { | 
|  | driver.GetPhysicalDeviceSparseImageFormatProperties2( | 
|  | physicalDevice, pFormatInfo, pPropertyCount, pProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | driver.GetPhysicalDeviceSparseImageFormatProperties2KHR( | 
|  | physicalDevice, pFormatInfo, pPropertyCount, pProperties); | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceExternalBufferProperties( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | const VkPhysicalDeviceExternalBufferInfo* pExternalBufferInfo, | 
|  | VkExternalBufferProperties* pExternalBufferProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceExternalBufferProperties) { | 
|  | driver.GetPhysicalDeviceExternalBufferProperties( | 
|  | physicalDevice, pExternalBufferInfo, pExternalBufferProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (driver.GetPhysicalDeviceExternalBufferPropertiesKHR) { | 
|  | driver.GetPhysicalDeviceExternalBufferPropertiesKHR( | 
|  | physicalDevice, pExternalBufferInfo, pExternalBufferProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | memset(&pExternalBufferProperties->externalMemoryProperties, 0, | 
|  | sizeof(VkExternalMemoryProperties)); | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceExternalSemaphoreProperties( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | const VkPhysicalDeviceExternalSemaphoreInfo* pExternalSemaphoreInfo, | 
|  | VkExternalSemaphoreProperties* pExternalSemaphoreProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceExternalSemaphoreProperties) { | 
|  | driver.GetPhysicalDeviceExternalSemaphoreProperties( | 
|  | physicalDevice, pExternalSemaphoreInfo, | 
|  | pExternalSemaphoreProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (driver.GetPhysicalDeviceExternalSemaphorePropertiesKHR) { | 
|  | driver.GetPhysicalDeviceExternalSemaphorePropertiesKHR( | 
|  | physicalDevice, pExternalSemaphoreInfo, | 
|  | pExternalSemaphoreProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | pExternalSemaphoreProperties->exportFromImportedHandleTypes = 0; | 
|  | pExternalSemaphoreProperties->compatibleHandleTypes = 0; | 
|  | pExternalSemaphoreProperties->externalSemaphoreFeatures = 0; | 
|  | } | 
|  |  | 
|  | void GetPhysicalDeviceExternalFenceProperties( | 
|  | VkPhysicalDevice physicalDevice, | 
|  | const VkPhysicalDeviceExternalFenceInfo* pExternalFenceInfo, | 
|  | VkExternalFenceProperties* pExternalFenceProperties) { | 
|  | ATRACE_CALL(); | 
|  |  | 
|  | const auto& driver = GetData(physicalDevice).driver; | 
|  |  | 
|  | if (driver.GetPhysicalDeviceExternalFenceProperties) { | 
|  | driver.GetPhysicalDeviceExternalFenceProperties( | 
|  | physicalDevice, pExternalFenceInfo, pExternalFenceProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (driver.GetPhysicalDeviceExternalFencePropertiesKHR) { | 
|  | driver.GetPhysicalDeviceExternalFencePropertiesKHR( | 
|  | physicalDevice, pExternalFenceInfo, pExternalFenceProperties); | 
|  | return; | 
|  | } | 
|  |  | 
|  | pExternalFenceProperties->exportFromImportedHandleTypes = 0; | 
|  | pExternalFenceProperties->compatibleHandleTypes = 0; | 
|  | pExternalFenceProperties->externalFenceFeatures = 0; | 
|  | } | 
|  |  | 
|  | }  // namespace driver | 
|  | }  // namespace vulkan |