/* * Copyright 2017 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "VkTestUtils.h" #ifdef SK_VULKAN #include "SkAutoMalloc.h" #include "vk/GrVkBackendContext.h" #include "vk/GrVkExtensions.h" #include "../ports/SkOSLibrary.h" namespace sk_gpu_test { bool LoadVkLibraryAndGetProcAddrFuncs(PFN_vkGetInstanceProcAddr* instProc, PFN_vkGetDeviceProcAddr* devProc) { #ifdef SK_MOLTENVK // MoltenVK is a statically linked framework, so there is no Vulkan library to load. *instProc = &vkGetInstanceProcAddr; *devProc = &vkGetDeviceProcAddr; return true; #else static void* vkLib = nullptr; static PFN_vkGetInstanceProcAddr localInstProc = nullptr; static PFN_vkGetDeviceProcAddr localDevProc = nullptr; if (!vkLib) { #if defined _WIN32 vkLib = DynamicLoadLibrary("vulkan-1.dll"); #else vkLib = DynamicLoadLibrary("libvulkan.so"); #endif if (!vkLib) { return false; } localInstProc = (PFN_vkGetInstanceProcAddr) GetProcedureAddress(vkLib, "vkGetInstanceProcAddr"); localDevProc = (PFN_vkGetDeviceProcAddr) GetProcedureAddress(vkLib, "vkGetDeviceProcAddr"); } if (!localInstProc || !localDevProc) { return false; } *instProc = localInstProc; *devProc = localDevProc; return true; #endif } //////////////////////////////////////////////////////////////////////////////// // Helper code to set up Vulkan context objects #ifdef SK_ENABLE_VK_LAYERS const char* kDebugLayerNames[] = { // elements of VK_LAYER_LUNARG_standard_validation "VK_LAYER_GOOGLE_threading", "VK_LAYER_LUNARG_parameter_validation", "VK_LAYER_LUNARG_object_tracker", "VK_LAYER_LUNARG_core_validation", "VK_LAYER_GOOGLE_unique_objects", // not included in standard_validation //"VK_LAYER_LUNARG_api_dump", //"VK_LAYER_LUNARG_vktrace", //"VK_LAYER_LUNARG_screenshot", }; static uint32_t remove_patch_version(uint32_t specVersion) { return (specVersion >> 12) << 12; } // Returns the index into layers array for the layer we want. Returns -1 if not supported. static int should_include_debug_layer(const char* layerName, uint32_t layerCount, VkLayerProperties* layers, uint32_t version) { for (uint32_t i = 0; i < layerCount; ++i) { if (!strcmp(layerName, layers[i].layerName)) { // Since the layers intercept the vulkan calls and forward them on, we need to make sure // layer was written against a version that isn't older than the version of Vulkan we're // using so that it has all the api entry points. if (version <= remove_patch_version(layers[i].specVersion)) { return i; } return -1; } } return -1; } VKAPI_ATTR VkBool32 VKAPI_CALL DebugReportCallback( VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData) { if (flags & VK_DEBUG_REPORT_ERROR_BIT_EXT) { SkDebugf("Vulkan error [%s]: code: %d: %s\n", pLayerPrefix, messageCode, pMessage); return VK_TRUE; // skip further layers } else if (flags & VK_DEBUG_REPORT_WARNING_BIT_EXT) { // There is currently a bug in the spec which doesn't have // VK_STRUCTURE_TYPE_BLEND_OPERATION_ADVANCED_FEATURES_EXT as an allowable pNext struct in // VkDeviceCreateInfo. So we ignore that warning since it is wrong. if (!strstr(pMessage, "pCreateInfo->pNext chain includes a structure with unexpected VkStructureType " "VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BLEND_OPERATION_ADVANCED_FEATURES_EXT")) { SkDebugf("Vulkan warning [%s]: code: %d: %s\n", pLayerPrefix, messageCode, pMessage); } } else if (flags & VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT) { SkDebugf("Vulkan perf warning [%s]: code: %d: %s\n", pLayerPrefix, messageCode, pMessage); } else { SkDebugf("Vulkan info/debug [%s]: code: %d: %s\n", pLayerPrefix, messageCode, pMessage); } return VK_FALSE; } #endif #define GET_PROC_LOCAL(F, inst, device) PFN_vk ## F F = (PFN_vk ## F) getProc("vk" #F, inst, device) static bool init_instance_extensions_and_layers(GrVkGetProc getProc, uint32_t specVersion, SkTArray* instanceExtensions, SkTArray* instanceLayers) { if (getProc == nullptr) { return false; } GET_PROC_LOCAL(EnumerateInstanceExtensionProperties, VK_NULL_HANDLE, VK_NULL_HANDLE); GET_PROC_LOCAL(EnumerateInstanceLayerProperties, VK_NULL_HANDLE, VK_NULL_HANDLE); if (!EnumerateInstanceExtensionProperties || !EnumerateInstanceLayerProperties) { return false; } VkResult res; uint32_t layerCount = 0; #ifdef SK_ENABLE_VK_LAYERS // instance layers res = EnumerateInstanceLayerProperties(&layerCount, nullptr); if (VK_SUCCESS != res) { return false; } VkLayerProperties* layers = new VkLayerProperties[layerCount]; res = EnumerateInstanceLayerProperties(&layerCount, layers); if (VK_SUCCESS != res) { delete[] layers; return false; } uint32_t nonPatchVersion = remove_patch_version(specVersion); for (size_t i = 0; i < SK_ARRAY_COUNT(kDebugLayerNames); ++i) { int idx = should_include_debug_layer(kDebugLayerNames[i], layerCount, layers, nonPatchVersion); if (idx != -1) { instanceLayers->push_back() = layers[idx]; } } delete[] layers; #endif // instance extensions // via Vulkan implementation and implicitly enabled layers uint32_t extensionCount = 0; res = EnumerateInstanceExtensionProperties(nullptr, &extensionCount, nullptr); if (VK_SUCCESS != res) { return false; } VkExtensionProperties* extensions = new VkExtensionProperties[extensionCount]; res = EnumerateInstanceExtensionProperties(nullptr, &extensionCount, extensions); if (VK_SUCCESS != res) { delete[] extensions; return false; } for (uint32_t i = 0; i < extensionCount; ++i) { instanceExtensions->push_back() = extensions[i]; } delete [] extensions; // via explicitly enabled layers layerCount = instanceLayers->count(); for (uint32_t layerIndex = 0; layerIndex < layerCount; ++layerIndex) { uint32_t extensionCount = 0; res = EnumerateInstanceExtensionProperties((*instanceLayers)[layerIndex].layerName, &extensionCount, nullptr); if (VK_SUCCESS != res) { return false; } VkExtensionProperties* extensions = new VkExtensionProperties[extensionCount]; res = EnumerateInstanceExtensionProperties((*instanceLayers)[layerIndex].layerName, &extensionCount, extensions); if (VK_SUCCESS != res) { delete[] extensions; return false; } for (uint32_t i = 0; i < extensionCount; ++i) { instanceExtensions->push_back() = extensions[i]; } delete[] extensions; } return true; } static bool init_device_extensions_and_layers(GrVkGetProc getProc, uint32_t specVersion, VkInstance inst, VkPhysicalDevice physDev, SkTArray* deviceExtensions, SkTArray* deviceLayers) { if (getProc == nullptr) { return false; } GET_PROC_LOCAL(EnumerateDeviceExtensionProperties, inst, VK_NULL_HANDLE); GET_PROC_LOCAL(EnumerateDeviceLayerProperties, inst, VK_NULL_HANDLE); if (!EnumerateDeviceExtensionProperties || !EnumerateDeviceLayerProperties) { return false; } VkResult res; // device layers uint32_t layerCount = 0; #ifdef SK_ENABLE_VK_LAYERS res = EnumerateDeviceLayerProperties(physDev, &layerCount, nullptr); if (VK_SUCCESS != res) { return false; } VkLayerProperties* layers = new VkLayerProperties[layerCount]; res = EnumerateDeviceLayerProperties(physDev, &layerCount, layers); if (VK_SUCCESS != res) { delete[] layers; return false; } uint32_t nonPatchVersion = remove_patch_version(specVersion); for (size_t i = 0; i < SK_ARRAY_COUNT(kDebugLayerNames); ++i) { int idx = should_include_debug_layer(kDebugLayerNames[i], layerCount, layers, nonPatchVersion); if (idx != -1) { deviceLayers->push_back() = layers[idx]; } } delete[] layers; #endif // device extensions // via Vulkan implementation and implicitly enabled layers uint32_t extensionCount = 0; res = EnumerateDeviceExtensionProperties(physDev, nullptr, &extensionCount, nullptr); if (VK_SUCCESS != res) { return false; } VkExtensionProperties* extensions = new VkExtensionProperties[extensionCount]; res = EnumerateDeviceExtensionProperties(physDev, nullptr, &extensionCount, extensions); if (VK_SUCCESS != res) { delete[] extensions; return false; } for (uint32_t i = 0; i < extensionCount; ++i) { deviceExtensions->push_back() = extensions[i]; } delete[] extensions; // via explicitly enabled layers layerCount = deviceLayers->count(); for (uint32_t layerIndex = 0; layerIndex < layerCount; ++layerIndex) { uint32_t extensionCount = 0; res = EnumerateDeviceExtensionProperties(physDev, (*deviceLayers)[layerIndex].layerName, &extensionCount, nullptr); if (VK_SUCCESS != res) { return false; } VkExtensionProperties* extensions = new VkExtensionProperties[extensionCount]; res = EnumerateDeviceExtensionProperties(physDev, (*deviceLayers)[layerIndex].layerName, &extensionCount, extensions); if (VK_SUCCESS != res) { delete[] extensions; return false; } for (uint32_t i = 0; i < extensionCount; ++i) { deviceExtensions->push_back() = extensions[i]; } delete[] extensions; } return true; } #define ACQUIRE_VK_PROC_NOCHECK(name, instance, device) \ PFN_vk##name grVk##name = reinterpret_cast(getProc("vk" #name, instance, device)) #define ACQUIRE_VK_PROC(name, instance, device) \ PFN_vk##name grVk##name = \ reinterpret_cast(getProc("vk" #name, instance, device)); \ do { \ if (grVk##name == nullptr) { \ SkDebugf("Function ptr for vk%s could not be acquired\n", #name); \ if (device != VK_NULL_HANDLE) { \ destroy_instance(getProc, inst, debugCallback, hasDebugExtension); \ } \ return false; \ } \ } while (0) #define ACQUIRE_VK_PROC_LOCAL(name, instance, device) \ PFN_vk##name grVk##name = \ reinterpret_cast(getProc("vk" #name, instance, device)); \ do { \ if (grVk##name == nullptr) { \ SkDebugf("Function ptr for vk%s could not be acquired\n", #name); \ return; \ } \ } while (0) static void destroy_instance(GrVkGetProc getProc, VkInstance inst, VkDebugReportCallbackEXT* debugCallback, bool hasDebugExtension) { if (hasDebugExtension && *debugCallback != VK_NULL_HANDLE) { ACQUIRE_VK_PROC_LOCAL(DestroyDebugReportCallbackEXT, inst, VK_NULL_HANDLE); grVkDestroyDebugReportCallbackEXT(inst, *debugCallback, nullptr); *debugCallback = VK_NULL_HANDLE; } ACQUIRE_VK_PROC_LOCAL(DestroyInstance, inst, VK_NULL_HANDLE); grVkDestroyInstance(inst, nullptr); } static void setup_extension_features(GrVkGetProc getProc, VkInstance inst, VkPhysicalDevice physDev, uint32_t physDeviceVersion, GrVkExtensions* extensions, VkPhysicalDeviceFeatures2* features) { SkASSERT(physDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || extensions->hasExtension(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME, 1)); // Setup all extension feature structs we may want to use. void** tailPNext = &features->pNext; VkPhysicalDeviceBlendOperationAdvancedFeaturesEXT* blend = nullptr; if (extensions->hasExtension(VK_EXT_BLEND_OPERATION_ADVANCED_EXTENSION_NAME, 2)) { blend = (VkPhysicalDeviceBlendOperationAdvancedFeaturesEXT*) sk_malloc_throw( sizeof(VkPhysicalDeviceBlendOperationAdvancedFeaturesEXT)); blend->sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BLEND_OPERATION_ADVANCED_FEATURES_EXT; blend->pNext = nullptr; *tailPNext = blend; tailPNext = &blend->pNext; } VkPhysicalDeviceSamplerYcbcrConversionFeatures* ycbcrFeature = nullptr; if (physDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || extensions->hasExtension(VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME, 1)) { ycbcrFeature = (VkPhysicalDeviceSamplerYcbcrConversionFeatures*) sk_malloc_throw( sizeof(VkPhysicalDeviceSamplerYcbcrConversionFeatures)); ycbcrFeature->sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_YCBCR_CONVERSION_FEATURES; ycbcrFeature->pNext = nullptr; *tailPNext = ycbcrFeature; tailPNext = &ycbcrFeature->pNext; } if (physDeviceVersion >= VK_MAKE_VERSION(1, 1, 0)) { ACQUIRE_VK_PROC_LOCAL(GetPhysicalDeviceFeatures2, inst, VK_NULL_HANDLE); grVkGetPhysicalDeviceFeatures2(physDev, features); } else { SkASSERT(extensions->hasExtension(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME, 1)); ACQUIRE_VK_PROC_LOCAL(GetPhysicalDeviceFeatures2KHR, inst, VK_NULL_HANDLE); grVkGetPhysicalDeviceFeatures2KHR(physDev, features); } // If we want to disable any extension features do so here. } bool CreateVkBackendContext(GrVkGetProc getProc, GrVkBackendContext* ctx, GrVkExtensions* extensions, VkPhysicalDeviceFeatures2* features, VkDebugReportCallbackEXT* debugCallback, uint32_t* presentQueueIndexPtr, CanPresentFn canPresent) { VkResult err; ACQUIRE_VK_PROC_NOCHECK(EnumerateInstanceVersion, VK_NULL_HANDLE, VK_NULL_HANDLE); uint32_t instanceVersion = 0; if (!grVkEnumerateInstanceVersion) { instanceVersion = VK_MAKE_VERSION(1, 0, 0); } else { err = grVkEnumerateInstanceVersion(&instanceVersion); if (err) { SkDebugf("failed ot enumerate instance version. Err: %d\n", err); return false; } } SkASSERT(instanceVersion >= VK_MAKE_VERSION(1, 0, 0)); uint32_t apiVersion = VK_MAKE_VERSION(1, 0, 0); if (instanceVersion >= VK_MAKE_VERSION(1, 1, 0)) { // If the instance version is 1.0 we must have the apiVersion also be 1.0. However, if the // instance version is 1.1 or higher, we can set the apiVersion to be whatever the highest // api we may use in skia (technically it can be arbitrary). So for now we set it to 1.1 // since that is the highest vulkan version. apiVersion = VK_MAKE_VERSION(1, 1, 0); } instanceVersion = SkTMin(instanceVersion, apiVersion); VkPhysicalDevice physDev; VkDevice device; VkInstance inst; const VkApplicationInfo app_info = { VK_STRUCTURE_TYPE_APPLICATION_INFO, // sType nullptr, // pNext "vktest", // pApplicationName 0, // applicationVersion "vktest", // pEngineName 0, // engineVerison apiVersion, // apiVersion }; SkTArray instanceLayers; SkTArray instanceExtensions; if (!init_instance_extensions_and_layers(getProc, instanceVersion, &instanceExtensions, &instanceLayers)) { return false; } SkTArray instanceLayerNames; SkTArray instanceExtensionNames; for (int i = 0; i < instanceLayers.count(); ++i) { instanceLayerNames.push_back(instanceLayers[i].layerName); } for (int i = 0; i < instanceExtensions.count(); ++i) { if (strncmp(instanceExtensions[i].extensionName, "VK_KHX", 6)) { instanceExtensionNames.push_back(instanceExtensions[i].extensionName); } } const VkInstanceCreateInfo instance_create = { VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, // sType nullptr, // pNext 0, // flags &app_info, // pApplicationInfo (uint32_t) instanceLayerNames.count(), // enabledLayerNameCount instanceLayerNames.begin(), // ppEnabledLayerNames (uint32_t) instanceExtensionNames.count(), // enabledExtensionNameCount instanceExtensionNames.begin(), // ppEnabledExtensionNames }; bool hasDebugExtension = false; ACQUIRE_VK_PROC(CreateInstance, VK_NULL_HANDLE, VK_NULL_HANDLE); err = grVkCreateInstance(&instance_create, nullptr, &inst); if (err < 0) { SkDebugf("vkCreateInstance failed: %d\n", err); return false; } #ifdef SK_ENABLE_VK_LAYERS *debugCallback = VK_NULL_HANDLE; for (int i = 0; i < instanceExtensionNames.count() && !hasDebugExtension; ++i) { if (!strcmp(instanceExtensionNames[i], VK_EXT_DEBUG_REPORT_EXTENSION_NAME)) { hasDebugExtension = true; } } if (hasDebugExtension) { // Setup callback creation information VkDebugReportCallbackCreateInfoEXT callbackCreateInfo; callbackCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT; callbackCreateInfo.pNext = nullptr; callbackCreateInfo.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | // VK_DEBUG_REPORT_INFORMATION_BIT_EXT | // VK_DEBUG_REPORT_DEBUG_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT; callbackCreateInfo.pfnCallback = &DebugReportCallback; callbackCreateInfo.pUserData = nullptr; ACQUIRE_VK_PROC(CreateDebugReportCallbackEXT, inst, VK_NULL_HANDLE); // Register the callback grVkCreateDebugReportCallbackEXT(inst, &callbackCreateInfo, nullptr, debugCallback); } #endif ACQUIRE_VK_PROC(EnumeratePhysicalDevices, inst, VK_NULL_HANDLE); ACQUIRE_VK_PROC(GetPhysicalDeviceProperties, inst, VK_NULL_HANDLE); ACQUIRE_VK_PROC(GetPhysicalDeviceQueueFamilyProperties, inst, VK_NULL_HANDLE); ACQUIRE_VK_PROC(GetPhysicalDeviceFeatures, inst, VK_NULL_HANDLE); ACQUIRE_VK_PROC(CreateDevice, inst, VK_NULL_HANDLE); ACQUIRE_VK_PROC(GetDeviceQueue, inst, VK_NULL_HANDLE); ACQUIRE_VK_PROC(DeviceWaitIdle, inst, VK_NULL_HANDLE); ACQUIRE_VK_PROC(DestroyDevice, inst, VK_NULL_HANDLE); uint32_t gpuCount; err = grVkEnumeratePhysicalDevices(inst, &gpuCount, nullptr); if (err) { SkDebugf("vkEnumeratePhysicalDevices failed: %d\n", err); destroy_instance(getProc, inst, debugCallback, hasDebugExtension); return false; } if (!gpuCount) { SkDebugf("vkEnumeratePhysicalDevices returned no supported devices.\n"); destroy_instance(getProc, inst, debugCallback, hasDebugExtension); return false; } // Just returning the first physical device instead of getting the whole array. // TODO: find best match for our needs gpuCount = 1; err = grVkEnumeratePhysicalDevices(inst, &gpuCount, &physDev); // VK_INCOMPLETE is returned when the count we provide is less than the total device count. if (err && VK_INCOMPLETE != err) { SkDebugf("vkEnumeratePhysicalDevices failed: %d\n", err); destroy_instance(getProc, inst, debugCallback, hasDebugExtension); return false; } VkPhysicalDeviceProperties physDeviceProperties; grVkGetPhysicalDeviceProperties(physDev, &physDeviceProperties); int physDeviceVersion = SkTMin(physDeviceProperties.apiVersion, apiVersion); // query to get the initial queue props size uint32_t queueCount; grVkGetPhysicalDeviceQueueFamilyProperties(physDev, &queueCount, nullptr); if (!queueCount) { SkDebugf("vkGetPhysicalDeviceQueueFamilyProperties returned no queues.\n"); destroy_instance(getProc, inst, debugCallback, hasDebugExtension); return false; } SkAutoMalloc queuePropsAlloc(queueCount * sizeof(VkQueueFamilyProperties)); // now get the actual queue props VkQueueFamilyProperties* queueProps = (VkQueueFamilyProperties*)queuePropsAlloc.get(); grVkGetPhysicalDeviceQueueFamilyProperties(physDev, &queueCount, queueProps); // iterate to find the graphics queue uint32_t graphicsQueueIndex = queueCount; for (uint32_t i = 0; i < queueCount; i++) { if (queueProps[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) { graphicsQueueIndex = i; break; } } if (graphicsQueueIndex == queueCount) { SkDebugf("Could not find any supported graphics queues.\n"); destroy_instance(getProc, inst, debugCallback, hasDebugExtension); return false; } // iterate to find the present queue, if needed uint32_t presentQueueIndex = queueCount; if (presentQueueIndexPtr && canPresent) { for (uint32_t i = 0; i < queueCount; i++) { if (canPresent(inst, physDev, i)) { presentQueueIndex = i; break; } } if (presentQueueIndex == queueCount) { SkDebugf("Could not find any supported present queues.\n"); destroy_instance(getProc, inst, debugCallback, hasDebugExtension); return false; } *presentQueueIndexPtr = presentQueueIndex; } else { // Just setting this so we end up make a single queue for graphics since there was no // request for a present queue. presentQueueIndex = graphicsQueueIndex; } SkTArray deviceLayers; SkTArray deviceExtensions; if (!init_device_extensions_and_layers(getProc, physDeviceVersion, inst, physDev, &deviceExtensions, &deviceLayers)) { destroy_instance(getProc, inst, debugCallback, hasDebugExtension); return false; } SkTArray deviceLayerNames; SkTArray deviceExtensionNames; for (int i = 0; i < deviceLayers.count(); ++i) { deviceLayerNames.push_back(deviceLayers[i].layerName); } for (int i = 0; i < deviceExtensions.count(); ++i) { // Don't use experimental extensions since they typically don't work with debug layers and // often are missing dependecy requirements for other extensions. Additionally, these are // often left behind in the driver even after they've been promoted to real extensions. if (strncmp(deviceExtensions[i].extensionName, "VK_KHX", 6) && strncmp(deviceExtensions[i].extensionName, "VK_NVX", 6)) { deviceExtensionNames.push_back(deviceExtensions[i].extensionName); } } extensions->init(getProc, inst, physDev, (uint32_t) instanceExtensionNames.count(), instanceExtensionNames.begin(), (uint32_t) deviceExtensionNames.count(), deviceExtensionNames.begin()); memset(features, 0, sizeof(VkPhysicalDeviceFeatures2)); features->sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2; features->pNext = nullptr; VkPhysicalDeviceFeatures* deviceFeatures = &features->features; void* pointerToFeatures = nullptr; if (physDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || extensions->hasExtension(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME, 1)) { setup_extension_features(getProc, inst, physDev, physDeviceVersion, extensions, features); // If we set the pNext of the VkDeviceCreateInfo to our VkPhysicalDeviceFeatures2 struct, // the device creation will use that instead of the ppEnabledFeatures. pointerToFeatures = features; } else { grVkGetPhysicalDeviceFeatures(physDev, deviceFeatures); } // this looks like it would slow things down, // and we can't depend on it on all platforms deviceFeatures->robustBufferAccess = VK_FALSE; float queuePriorities[1] = { 0.0 }; // Here we assume no need for swapchain queue // If one is needed, the client will need its own setup code const VkDeviceQueueCreateInfo queueInfo[2] = { { VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, // sType nullptr, // pNext 0, // VkDeviceQueueCreateFlags graphicsQueueIndex, // queueFamilyIndex 1, // queueCount queuePriorities, // pQueuePriorities }, { VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, // sType nullptr, // pNext 0, // VkDeviceQueueCreateFlags presentQueueIndex, // queueFamilyIndex 1, // queueCount queuePriorities, // pQueuePriorities } }; uint32_t queueInfoCount = (presentQueueIndex != graphicsQueueIndex) ? 2 : 1; const VkDeviceCreateInfo deviceInfo = { VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, // sType pointerToFeatures, // pNext 0, // VkDeviceCreateFlags queueInfoCount, // queueCreateInfoCount queueInfo, // pQueueCreateInfos (uint32_t) deviceLayerNames.count(), // layerCount deviceLayerNames.begin(), // ppEnabledLayerNames (uint32_t) deviceExtensionNames.count(), // extensionCount deviceExtensionNames.begin(), // ppEnabledExtensionNames pointerToFeatures ? nullptr : deviceFeatures // ppEnabledFeatures }; err = grVkCreateDevice(physDev, &deviceInfo, nullptr, &device); if (err) { SkDebugf("CreateDevice failed: %d\n", err); destroy_instance(getProc, inst, debugCallback, hasDebugExtension); return false; } VkQueue queue; grVkGetDeviceQueue(device, graphicsQueueIndex, 0, &queue); ctx->fInstance = inst; ctx->fPhysicalDevice = physDev; ctx->fDevice = device; ctx->fQueue = queue; ctx->fGraphicsQueueIndex = graphicsQueueIndex; ctx->fMaxAPIVersion = apiVersion; ctx->fVkExtensions = extensions; ctx->fDeviceFeatures2 = features; ctx->fGetProc = getProc; ctx->fOwnsInstanceAndDevice = false; return true; } void FreeVulkanFeaturesStructs(const VkPhysicalDeviceFeatures2* features) { // All Vulkan structs that could be part of the features chain will start with the // structure type followed by the pNext pointer. We cast to the CommonVulkanHeader // so we can get access to the pNext for the next struct. struct CommonVulkanHeader { VkStructureType sType; void* pNext; }; void* pNext = features->pNext; while (pNext) { void* current = pNext; pNext = static_cast(current)->pNext; sk_free(current); } } } #endif