src/dawn_native/vulkan/VulkanFunctions.h - dawn - Git at Google

 // Copyright 2017 The Dawn Authors
 //
 // 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.

 #ifndef DAWNNATIVE_VULKAN_VULKANFUNCTIONS_H_
 #define DAWNNATIVE_VULKAN_VULKANFUNCTIONS_H_

 #include "common/vulkan_platform.h"

 #include "dawn_native/Error.h"

 class DynamicLib;

 namespace dawn_native { namespace vulkan {

     struct VulkanGlobalInfo;
     struct VulkanDeviceInfo;

     // Stores the Vulkan entry points. Also loads them from the dynamic library
     // and the vkGet*ProcAddress entry points.
     struct VulkanFunctions {
         MaybeError LoadGlobalProcs(const DynamicLib& vulkanLib);
         MaybeError LoadInstanceProcs(VkInstance instance, const VulkanGlobalInfo& globalInfo);
         MaybeError LoadDeviceProcs(VkDevice device, const VulkanDeviceInfo& deviceInfo);

         // ---------- Global procs

         // Initial proc from which we can get all the others
         PFN_vkGetInstanceProcAddr GetInstanceProcAddr = nullptr;

         PFN_vkCreateInstance CreateInstance = nullptr;
         PFN_vkEnumerateInstanceExtensionProperties EnumerateInstanceExtensionProperties = nullptr;
         PFN_vkEnumerateInstanceLayerProperties EnumerateInstanceLayerProperties = nullptr;
         // DestroyInstance isn't technically a global proc but we want to be able to use it
         // before querying the instance procs in case we need to error out during initialization.
         PFN_vkDestroyInstance DestroyInstance = nullptr;

         // Core Vulkan 1.1
         PFN_vkEnumerateInstanceVersion EnumerateInstanceVersion = nullptr;

         // ---------- Instance procs

         // Core Vulkan 1.0
         PFN_vkCreateDevice CreateDevice = nullptr;
         PFN_vkEnumerateDeviceExtensionProperties EnumerateDeviceExtensionProperties = nullptr;
         PFN_vkEnumerateDeviceLayerProperties EnumerateDeviceLayerProperties = nullptr;
         PFN_vkEnumeratePhysicalDevices EnumeratePhysicalDevices = nullptr;
         PFN_vkGetDeviceProcAddr GetDeviceProcAddr = nullptr;
         PFN_vkGetPhysicalDeviceFeatures GetPhysicalDeviceFeatures = nullptr;
         PFN_vkGetPhysicalDeviceFormatProperties GetPhysicalDeviceFormatProperties = nullptr;
         PFN_vkGetPhysicalDeviceImageFormatProperties GetPhysicalDeviceImageFormatProperties =
             nullptr;
         PFN_vkGetPhysicalDeviceMemoryProperties GetPhysicalDeviceMemoryProperties = nullptr;
         PFN_vkGetPhysicalDeviceProperties GetPhysicalDeviceProperties = nullptr;
         PFN_vkGetPhysicalDeviceQueueFamilyProperties GetPhysicalDeviceQueueFamilyProperties =
             nullptr;
         PFN_vkGetPhysicalDeviceSparseImageFormatProperties
             GetPhysicalDeviceSparseImageFormatProperties = nullptr;
         // Not technically an instance proc but we want to be able to use it as soon as the
         // device is created.
         PFN_vkDestroyDevice DestroyDevice = nullptr;

         // VK_EXT_debug_report
         PFN_vkCreateDebugReportCallbackEXT CreateDebugReportCallbackEXT = nullptr;
         PFN_vkDebugReportMessageEXT DebugReportMessageEXT = nullptr;
         PFN_vkDestroyDebugReportCallbackEXT DestroyDebugReportCallbackEXT = nullptr;

         // VK_KHR_surface
         PFN_vkDestroySurfaceKHR DestroySurfaceKHR = nullptr;
         PFN_vkGetPhysicalDeviceSurfaceSupportKHR GetPhysicalDeviceSurfaceSupportKHR = nullptr;
         PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR GetPhysicalDeviceSurfaceCapabilitiesKHR =
             nullptr;
         PFN_vkGetPhysicalDeviceSurfaceFormatsKHR GetPhysicalDeviceSurfaceFormatsKHR = nullptr;
         PFN_vkGetPhysicalDeviceSurfacePresentModesKHR GetPhysicalDeviceSurfacePresentModesKHR =
             nullptr;

         // Core Vulkan 1.1 promoted extensions, set if either the core version or the extension is
         // present.

         // VK_KHR_external_memory_capabilities
         PFN_vkGetPhysicalDeviceExternalBufferProperties GetPhysicalDeviceExternalBufferProperties =
             nullptr;

         // VK_KHR_external_semaphore_capabilities
         PFN_vkGetPhysicalDeviceExternalSemaphoreProperties
             GetPhysicalDeviceExternalSemaphoreProperties = nullptr;

         // VK_KHR_get_physical_device_properties2
         PFN_vkGetPhysicalDeviceFeatures2 GetPhysicalDeviceFeatures2 = nullptr;
         PFN_vkGetPhysicalDeviceProperties2 GetPhysicalDeviceProperties2 = nullptr;
         PFN_vkGetPhysicalDeviceFormatProperties2 GetPhysicalDeviceFormatProperties2 = nullptr;
         PFN_vkGetPhysicalDeviceImageFormatProperties2 GetPhysicalDeviceImageFormatProperties2 =
             nullptr;
         PFN_vkGetPhysicalDeviceQueueFamilyProperties2 GetPhysicalDeviceQueueFamilyProperties2 =
             nullptr;
         PFN_vkGetPhysicalDeviceMemoryProperties2 GetPhysicalDeviceMemoryProperties2 = nullptr;
         PFN_vkGetPhysicalDeviceSparseImageFormatProperties2
             GetPhysicalDeviceSparseImageFormatProperties2 = nullptr;

 #if defined(VK_USE_PLATFORM_FUCHSIA)
         // FUCHSIA_image_pipe_surface
         PFN_vkCreateImagePipeSurfaceFUCHSIA CreateImagePipeSurfaceFUCHSIA = nullptr;
 #endif  // defined(VK_USE_PLATFORM_FUCHSIA)

 #if defined(DAWN_ENABLE_BACKEND_METAL)
         // EXT_metal_surface
         PFN_vkCreateMetalSurfaceEXT CreateMetalSurfaceEXT = nullptr;
 #endif  // defined(DAWN_ENABLE_BACKEND_METAL)

 #if defined(DAWN_PLATFORM_WINDOWS)
         // KHR_win32_surface
         PFN_vkCreateWin32SurfaceKHR CreateWin32SurfaceKHR = nullptr;
         PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR
             GetPhysicalDeviceWin32PresentationSupportKHR = nullptr;
 #endif  // defined(DAWN_PLATFORM_WINDOWS)

 #if defined(DAWN_USE_X11)
         // KHR_xlib_surface
         PFN_vkCreateXlibSurfaceKHR CreateXlibSurfaceKHR = nullptr;
         PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR
             GetPhysicalDeviceXlibPresentationSupportKHR = nullptr;
 #endif  // defined(DAWN_USE_X11)

         // ---------- Device procs

         // Core Vulkan 1.0
         PFN_vkAllocateCommandBuffers AllocateCommandBuffers = nullptr;
         PFN_vkAllocateDescriptorSets AllocateDescriptorSets = nullptr;
         PFN_vkAllocateMemory AllocateMemory = nullptr;
         PFN_vkBeginCommandBuffer BeginCommandBuffer = nullptr;
         PFN_vkBindBufferMemory BindBufferMemory = nullptr;
         PFN_vkBindImageMemory BindImageMemory = nullptr;
         PFN_vkCmdBeginQuery CmdBeginQuery = nullptr;
         PFN_vkCmdBeginRenderPass CmdBeginRenderPass = nullptr;
         PFN_vkCmdBindDescriptorSets CmdBindDescriptorSets = nullptr;
         PFN_vkCmdBindIndexBuffer CmdBindIndexBuffer = nullptr;
         PFN_vkCmdBindPipeline CmdBindPipeline = nullptr;
         PFN_vkCmdBindVertexBuffers CmdBindVertexBuffers = nullptr;
         PFN_vkCmdBlitImage CmdBlitImage = nullptr;
         PFN_vkCmdClearAttachments CmdClearAttachments = nullptr;
         PFN_vkCmdClearColorImage CmdClearColorImage = nullptr;
         PFN_vkCmdClearDepthStencilImage CmdClearDepthStencilImage = nullptr;
         PFN_vkCmdCopyBuffer CmdCopyBuffer = nullptr;
         PFN_vkCmdCopyBufferToImage CmdCopyBufferToImage = nullptr;
         PFN_vkCmdCopyImage CmdCopyImage = nullptr;
         PFN_vkCmdCopyImageToBuffer CmdCopyImageToBuffer = nullptr;
         PFN_vkCmdCopyQueryPoolResults CmdCopyQueryPoolResults = nullptr;
         PFN_vkCmdDispatch CmdDispatch = nullptr;
         PFN_vkCmdDispatchIndirect CmdDispatchIndirect = nullptr;
         PFN_vkCmdDraw CmdDraw = nullptr;
         PFN_vkCmdDrawIndexed CmdDrawIndexed = nullptr;
         PFN_vkCmdDrawIndexedIndirect CmdDrawIndexedIndirect = nullptr;
         PFN_vkCmdDrawIndirect CmdDrawIndirect = nullptr;
         PFN_vkCmdEndQuery CmdEndQuery = nullptr;
         PFN_vkCmdEndRenderPass CmdEndRenderPass = nullptr;
         PFN_vkCmdExecuteCommands CmdExecuteCommands = nullptr;
         PFN_vkCmdFillBuffer CmdFillBuffer = nullptr;
         PFN_vkCmdNextSubpass CmdNextSubpass = nullptr;
         PFN_vkCmdPipelineBarrier CmdPipelineBarrier = nullptr;
         PFN_vkCmdPushConstants CmdPushConstants = nullptr;
         PFN_vkCmdResetEvent CmdResetEvent = nullptr;
         PFN_vkCmdResetQueryPool CmdResetQueryPool = nullptr;
         PFN_vkCmdResolveImage CmdResolveImage = nullptr;
         PFN_vkCmdSetBlendConstants CmdSetBlendConstants = nullptr;
         PFN_vkCmdSetDepthBias CmdSetDepthBias = nullptr;
         PFN_vkCmdSetDepthBounds CmdSetDepthBounds = nullptr;
         PFN_vkCmdSetEvent CmdSetEvent = nullptr;
         PFN_vkCmdSetLineWidth CmdSetLineWidth = nullptr;
         PFN_vkCmdSetScissor CmdSetScissor = nullptr;
         PFN_vkCmdSetStencilCompareMask CmdSetStencilCompareMask = nullptr;
         PFN_vkCmdSetStencilReference CmdSetStencilReference = nullptr;
         PFN_vkCmdSetStencilWriteMask CmdSetStencilWriteMask = nullptr;
         PFN_vkCmdSetViewport CmdSetViewport = nullptr;
         PFN_vkCmdUpdateBuffer CmdUpdateBuffer = nullptr;
         PFN_vkCmdWaitEvents CmdWaitEvents = nullptr;
         PFN_vkCmdWriteTimestamp CmdWriteTimestamp = nullptr;
         PFN_vkCreateBuffer CreateBuffer = nullptr;
         PFN_vkCreateBufferView CreateBufferView = nullptr;
         PFN_vkCreateCommandPool CreateCommandPool = nullptr;
         PFN_vkCreateComputePipelines CreateComputePipelines = nullptr;
         PFN_vkCreateDescriptorPool CreateDescriptorPool = nullptr;
         PFN_vkCreateDescriptorSetLayout CreateDescriptorSetLayout = nullptr;
         PFN_vkCreateEvent CreateEvent = nullptr;
         PFN_vkCreateFence CreateFence = nullptr;
         PFN_vkCreateFramebuffer CreateFramebuffer = nullptr;
         PFN_vkCreateGraphicsPipelines CreateGraphicsPipelines = nullptr;
         PFN_vkCreateImage CreateImage = nullptr;
         PFN_vkCreateImageView CreateImageView = nullptr;
         PFN_vkCreatePipelineCache CreatePipelineCache = nullptr;
         PFN_vkCreatePipelineLayout CreatePipelineLayout = nullptr;
         PFN_vkCreateQueryPool CreateQueryPool = nullptr;
         PFN_vkCreateRenderPass CreateRenderPass = nullptr;
         PFN_vkCreateSampler CreateSampler = nullptr;
         PFN_vkCreateSemaphore CreateSemaphore = nullptr;
         PFN_vkCreateShaderModule CreateShaderModule = nullptr;
         PFN_vkDestroyBuffer DestroyBuffer = nullptr;
         PFN_vkDestroyBufferView DestroyBufferView = nullptr;
         PFN_vkDestroyCommandPool DestroyCommandPool = nullptr;
         PFN_vkDestroyDescriptorPool DestroyDescriptorPool = nullptr;
         PFN_vkDestroyDescriptorSetLayout DestroyDescriptorSetLayout = nullptr;
         PFN_vkDestroyEvent DestroyEvent = nullptr;
         PFN_vkDestroyFence DestroyFence = nullptr;
         PFN_vkDestroyFramebuffer DestroyFramebuffer = nullptr;
         PFN_vkDestroyImage DestroyImage = nullptr;
         PFN_vkDestroyImageView DestroyImageView = nullptr;
         PFN_vkDestroyPipeline DestroyPipeline = nullptr;
         PFN_vkDestroyPipelineCache DestroyPipelineCache = nullptr;
         PFN_vkDestroyPipelineLayout DestroyPipelineLayout = nullptr;
         PFN_vkDestroyQueryPool DestroyQueryPool = nullptr;
         PFN_vkDestroyRenderPass DestroyRenderPass = nullptr;
         PFN_vkDestroySampler DestroySampler = nullptr;
         PFN_vkDestroySemaphore DestroySemaphore = nullptr;
         PFN_vkDestroyShaderModule DestroyShaderModule = nullptr;
         PFN_vkDeviceWaitIdle DeviceWaitIdle = nullptr;
         PFN_vkEndCommandBuffer EndCommandBuffer = nullptr;
         PFN_vkFlushMappedMemoryRanges FlushMappedMemoryRanges = nullptr;
         PFN_vkFreeCommandBuffers FreeCommandBuffers = nullptr;
         PFN_vkFreeDescriptorSets FreeDescriptorSets = nullptr;
         PFN_vkFreeMemory FreeMemory = nullptr;
         PFN_vkGetBufferMemoryRequirements GetBufferMemoryRequirements = nullptr;
         PFN_vkGetDeviceMemoryCommitment GetDeviceMemoryCommitment = nullptr;
         PFN_vkGetDeviceQueue GetDeviceQueue = nullptr;
         PFN_vkGetEventStatus GetEventStatus = nullptr;
         PFN_vkGetFenceStatus GetFenceStatus = nullptr;
         PFN_vkGetImageMemoryRequirements GetImageMemoryRequirements = nullptr;
         PFN_vkGetImageSparseMemoryRequirements GetImageSparseMemoryRequirements = nullptr;
         PFN_vkGetImageSubresourceLayout GetImageSubresourceLayout = nullptr;
         PFN_vkGetPipelineCacheData GetPipelineCacheData = nullptr;
         PFN_vkGetQueryPoolResults GetQueryPoolResults = nullptr;
         PFN_vkGetRenderAreaGranularity GetRenderAreaGranularity = nullptr;
         PFN_vkInvalidateMappedMemoryRanges InvalidateMappedMemoryRanges = nullptr;
         PFN_vkMapMemory MapMemory = nullptr;
         PFN_vkMergePipelineCaches MergePipelineCaches = nullptr;
         PFN_vkQueueBindSparse QueueBindSparse = nullptr;
         PFN_vkQueueSubmit QueueSubmit = nullptr;
         PFN_vkQueueWaitIdle QueueWaitIdle = nullptr;
         PFN_vkResetCommandBuffer ResetCommandBuffer = nullptr;
         PFN_vkResetCommandPool ResetCommandPool = nullptr;
         PFN_vkResetDescriptorPool ResetDescriptorPool = nullptr;
         PFN_vkResetEvent ResetEvent = nullptr;
         PFN_vkResetFences ResetFences = nullptr;
         PFN_vkSetEvent SetEvent = nullptr;
         PFN_vkUnmapMemory UnmapMemory = nullptr;
         PFN_vkUpdateDescriptorSets UpdateDescriptorSets = nullptr;
         PFN_vkWaitForFences WaitForFences = nullptr;

         // VK_EXT_debug_marker
         PFN_vkCmdDebugMarkerBeginEXT CmdDebugMarkerBeginEXT = nullptr;
         PFN_vkCmdDebugMarkerEndEXT CmdDebugMarkerEndEXT = nullptr;
         PFN_vkCmdDebugMarkerInsertEXT CmdDebugMarkerInsertEXT = nullptr;

         // VK_KHR_swapchain
         PFN_vkCreateSwapchainKHR CreateSwapchainKHR = nullptr;
         PFN_vkDestroySwapchainKHR DestroySwapchainKHR = nullptr;
         PFN_vkGetSwapchainImagesKHR GetSwapchainImagesKHR = nullptr;
         PFN_vkAcquireNextImageKHR AcquireNextImageKHR = nullptr;
         PFN_vkQueuePresentKHR QueuePresentKHR = nullptr;

         // VK_KHR_external_memory_fd
         PFN_vkGetMemoryFdKHR GetMemoryFdKHR = nullptr;
         PFN_vkGetMemoryFdPropertiesKHR GetMemoryFdPropertiesKHR = nullptr;

         // VK_KHR_external_semaphore_fd
         PFN_vkImportSemaphoreFdKHR ImportSemaphoreFdKHR = nullptr;
         PFN_vkGetSemaphoreFdKHR GetSemaphoreFdKHR = nullptr;

 #if VK_USE_PLATFORM_FUCHSIA
         // VK_FUCHSIA_external_memory
         PFN_vkGetMemoryZirconHandleFUCHSIA GetMemoryZirconHandleFUCHSIA = nullptr;
         PFN_vkGetMemoryZirconHandlePropertiesFUCHSIA GetMemoryZirconHandlePropertiesFUCHSIA =
             nullptr;

         // VK_FUCHSIA_external_semaphore
         PFN_vkImportSemaphoreZirconHandleFUCHSIA ImportSemaphoreZirconHandleFUCHSIA = nullptr;
         PFN_vkGetSemaphoreZirconHandleFUCHSIA GetSemaphoreZirconHandleFUCHSIA = nullptr;
 #endif
     };

     // Create a wrapper around VkResult in the dawn_native::vulkan namespace. This shadows the
     // default VkResult (::VkResult). This ensures that assigning or creating a VkResult from a raw
     // ::VkResult uses WrapUnsafe. This makes it clear that users of VkResult must be intentional
     // about handling error cases.
     class VkResult {
       public:
         constexpr static VkResult WrapUnsafe(::VkResult value) {
             return VkResult(value);
         }

         constexpr operator ::VkResult() const {
             return mValue;
         }

       private:
         // Private. Use VkResult::WrapUnsafe instead.
         constexpr VkResult(::VkResult value) : mValue(value) {
         }

         ::VkResult mValue;
     };

 }}  // namespace dawn_native::vulkan

 #endif  // DAWNNATIVE_VULKAN_VULKANFUNCTIONS_H_
	// Copyright 2017 The Dawn Authors
	//
	// 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.

	#ifndef DAWNNATIVE_VULKAN_VULKANFUNCTIONS_H_
	#define DAWNNATIVE_VULKAN_VULKANFUNCTIONS_H_

	#include "common/vulkan_platform.h"

	#include "dawn_native/Error.h"

	class DynamicLib;

	namespace dawn_native { namespace vulkan {

	struct VulkanGlobalInfo;
	struct VulkanDeviceInfo;

	// Stores the Vulkan entry points. Also loads them from the dynamic library
	// and the vkGet*ProcAddress entry points.
	struct VulkanFunctions {
	MaybeError LoadGlobalProcs(const DynamicLib& vulkanLib);
	MaybeError LoadInstanceProcs(VkInstance instance, const VulkanGlobalInfo& globalInfo);
	MaybeError LoadDeviceProcs(VkDevice device, const VulkanDeviceInfo& deviceInfo);

	// ---------- Global procs

	// Initial proc from which we can get all the others
	PFN_vkGetInstanceProcAddr GetInstanceProcAddr = nullptr;

	PFN_vkCreateInstance CreateInstance = nullptr;
	PFN_vkEnumerateInstanceExtensionProperties EnumerateInstanceExtensionProperties = nullptr;
	PFN_vkEnumerateInstanceLayerProperties EnumerateInstanceLayerProperties = nullptr;
	// DestroyInstance isn't technically a global proc but we want to be able to use it
	// before querying the instance procs in case we need to error out during initialization.
	PFN_vkDestroyInstance DestroyInstance = nullptr;

	// Core Vulkan 1.1
	PFN_vkEnumerateInstanceVersion EnumerateInstanceVersion = nullptr;

	// ---------- Instance procs

	// Core Vulkan 1.0
	PFN_vkCreateDevice CreateDevice = nullptr;
	PFN_vkEnumerateDeviceExtensionProperties EnumerateDeviceExtensionProperties = nullptr;
	PFN_vkEnumerateDeviceLayerProperties EnumerateDeviceLayerProperties = nullptr;
	PFN_vkEnumeratePhysicalDevices EnumeratePhysicalDevices = nullptr;
	PFN_vkGetDeviceProcAddr GetDeviceProcAddr = nullptr;
	PFN_vkGetPhysicalDeviceFeatures GetPhysicalDeviceFeatures = nullptr;
	PFN_vkGetPhysicalDeviceFormatProperties GetPhysicalDeviceFormatProperties = nullptr;
	PFN_vkGetPhysicalDeviceImageFormatProperties GetPhysicalDeviceImageFormatProperties =
	nullptr;
	PFN_vkGetPhysicalDeviceMemoryProperties GetPhysicalDeviceMemoryProperties = nullptr;
	PFN_vkGetPhysicalDeviceProperties GetPhysicalDeviceProperties = nullptr;
	PFN_vkGetPhysicalDeviceQueueFamilyProperties GetPhysicalDeviceQueueFamilyProperties =
	nullptr;
	PFN_vkGetPhysicalDeviceSparseImageFormatProperties
	GetPhysicalDeviceSparseImageFormatProperties = nullptr;
	// Not technically an instance proc but we want to be able to use it as soon as the
	// device is created.
	PFN_vkDestroyDevice DestroyDevice = nullptr;

	// VK_EXT_debug_report
	PFN_vkCreateDebugReportCallbackEXT CreateDebugReportCallbackEXT = nullptr;
	PFN_vkDebugReportMessageEXT DebugReportMessageEXT = nullptr;
	PFN_vkDestroyDebugReportCallbackEXT DestroyDebugReportCallbackEXT = nullptr;

	// VK_KHR_surface
	PFN_vkDestroySurfaceKHR DestroySurfaceKHR = nullptr;
	PFN_vkGetPhysicalDeviceSurfaceSupportKHR GetPhysicalDeviceSurfaceSupportKHR = nullptr;
	PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR GetPhysicalDeviceSurfaceCapabilitiesKHR =
	nullptr;
	PFN_vkGetPhysicalDeviceSurfaceFormatsKHR GetPhysicalDeviceSurfaceFormatsKHR = nullptr;
	PFN_vkGetPhysicalDeviceSurfacePresentModesKHR GetPhysicalDeviceSurfacePresentModesKHR =
	nullptr;

	// Core Vulkan 1.1 promoted extensions, set if either the core version or the extension is
	// present.

	// VK_KHR_external_memory_capabilities
	PFN_vkGetPhysicalDeviceExternalBufferProperties GetPhysicalDeviceExternalBufferProperties =
	nullptr;

	// VK_KHR_external_semaphore_capabilities
	PFN_vkGetPhysicalDeviceExternalSemaphoreProperties
	GetPhysicalDeviceExternalSemaphoreProperties = nullptr;

	// VK_KHR_get_physical_device_properties2
	PFN_vkGetPhysicalDeviceFeatures2 GetPhysicalDeviceFeatures2 = nullptr;
	PFN_vkGetPhysicalDeviceProperties2 GetPhysicalDeviceProperties2 = nullptr;
	PFN_vkGetPhysicalDeviceFormatProperties2 GetPhysicalDeviceFormatProperties2 = nullptr;
	PFN_vkGetPhysicalDeviceImageFormatProperties2 GetPhysicalDeviceImageFormatProperties2 =
	nullptr;
	PFN_vkGetPhysicalDeviceQueueFamilyProperties2 GetPhysicalDeviceQueueFamilyProperties2 =
	nullptr;
	PFN_vkGetPhysicalDeviceMemoryProperties2 GetPhysicalDeviceMemoryProperties2 = nullptr;
	PFN_vkGetPhysicalDeviceSparseImageFormatProperties2
	GetPhysicalDeviceSparseImageFormatProperties2 = nullptr;

	#if defined(VK_USE_PLATFORM_FUCHSIA)
	// FUCHSIA_image_pipe_surface
	PFN_vkCreateImagePipeSurfaceFUCHSIA CreateImagePipeSurfaceFUCHSIA = nullptr;
	#endif // defined(VK_USE_PLATFORM_FUCHSIA)

	#if defined(DAWN_ENABLE_BACKEND_METAL)
	// EXT_metal_surface
	PFN_vkCreateMetalSurfaceEXT CreateMetalSurfaceEXT = nullptr;
	#endif // defined(DAWN_ENABLE_BACKEND_METAL)

	#if defined(DAWN_PLATFORM_WINDOWS)
	// KHR_win32_surface
	PFN_vkCreateWin32SurfaceKHR CreateWin32SurfaceKHR = nullptr;
	PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR
	GetPhysicalDeviceWin32PresentationSupportKHR = nullptr;
	#endif // defined(DAWN_PLATFORM_WINDOWS)

	#if defined(DAWN_USE_X11)
	// KHR_xlib_surface
	PFN_vkCreateXlibSurfaceKHR CreateXlibSurfaceKHR = nullptr;
	PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR
	GetPhysicalDeviceXlibPresentationSupportKHR = nullptr;
	#endif // defined(DAWN_USE_X11)

	// ---------- Device procs

	// Core Vulkan 1.0
	PFN_vkAllocateCommandBuffers AllocateCommandBuffers = nullptr;
	PFN_vkAllocateDescriptorSets AllocateDescriptorSets = nullptr;
	PFN_vkAllocateMemory AllocateMemory = nullptr;
	PFN_vkBeginCommandBuffer BeginCommandBuffer = nullptr;
	PFN_vkBindBufferMemory BindBufferMemory = nullptr;
	PFN_vkBindImageMemory BindImageMemory = nullptr;
	PFN_vkCmdBeginQuery CmdBeginQuery = nullptr;
	PFN_vkCmdBeginRenderPass CmdBeginRenderPass = nullptr;
	PFN_vkCmdBindDescriptorSets CmdBindDescriptorSets = nullptr;
	PFN_vkCmdBindIndexBuffer CmdBindIndexBuffer = nullptr;
	PFN_vkCmdBindPipeline CmdBindPipeline = nullptr;
	PFN_vkCmdBindVertexBuffers CmdBindVertexBuffers = nullptr;
	PFN_vkCmdBlitImage CmdBlitImage = nullptr;
	PFN_vkCmdClearAttachments CmdClearAttachments = nullptr;
	PFN_vkCmdClearColorImage CmdClearColorImage = nullptr;
	PFN_vkCmdClearDepthStencilImage CmdClearDepthStencilImage = nullptr;
	PFN_vkCmdCopyBuffer CmdCopyBuffer = nullptr;
	PFN_vkCmdCopyBufferToImage CmdCopyBufferToImage = nullptr;
	PFN_vkCmdCopyImage CmdCopyImage = nullptr;
	PFN_vkCmdCopyImageToBuffer CmdCopyImageToBuffer = nullptr;
	PFN_vkCmdCopyQueryPoolResults CmdCopyQueryPoolResults = nullptr;
	PFN_vkCmdDispatch CmdDispatch = nullptr;
	PFN_vkCmdDispatchIndirect CmdDispatchIndirect = nullptr;
	PFN_vkCmdDraw CmdDraw = nullptr;
	PFN_vkCmdDrawIndexed CmdDrawIndexed = nullptr;
	PFN_vkCmdDrawIndexedIndirect CmdDrawIndexedIndirect = nullptr;
	PFN_vkCmdDrawIndirect CmdDrawIndirect = nullptr;
	PFN_vkCmdEndQuery CmdEndQuery = nullptr;
	PFN_vkCmdEndRenderPass CmdEndRenderPass = nullptr;
	PFN_vkCmdExecuteCommands CmdExecuteCommands = nullptr;
	PFN_vkCmdFillBuffer CmdFillBuffer = nullptr;
	PFN_vkCmdNextSubpass CmdNextSubpass = nullptr;
	PFN_vkCmdPipelineBarrier CmdPipelineBarrier = nullptr;
	PFN_vkCmdPushConstants CmdPushConstants = nullptr;
	PFN_vkCmdResetEvent CmdResetEvent = nullptr;
	PFN_vkCmdResetQueryPool CmdResetQueryPool = nullptr;
	PFN_vkCmdResolveImage CmdResolveImage = nullptr;
	PFN_vkCmdSetBlendConstants CmdSetBlendConstants = nullptr;
	PFN_vkCmdSetDepthBias CmdSetDepthBias = nullptr;
	PFN_vkCmdSetDepthBounds CmdSetDepthBounds = nullptr;
	PFN_vkCmdSetEvent CmdSetEvent = nullptr;
	PFN_vkCmdSetLineWidth CmdSetLineWidth = nullptr;
	PFN_vkCmdSetScissor CmdSetScissor = nullptr;
	PFN_vkCmdSetStencilCompareMask CmdSetStencilCompareMask = nullptr;
	PFN_vkCmdSetStencilReference CmdSetStencilReference = nullptr;
	PFN_vkCmdSetStencilWriteMask CmdSetStencilWriteMask = nullptr;
	PFN_vkCmdSetViewport CmdSetViewport = nullptr;
	PFN_vkCmdUpdateBuffer CmdUpdateBuffer = nullptr;
	PFN_vkCmdWaitEvents CmdWaitEvents = nullptr;
	PFN_vkCmdWriteTimestamp CmdWriteTimestamp = nullptr;
	PFN_vkCreateBuffer CreateBuffer = nullptr;
	PFN_vkCreateBufferView CreateBufferView = nullptr;
	PFN_vkCreateCommandPool CreateCommandPool = nullptr;
	PFN_vkCreateComputePipelines CreateComputePipelines = nullptr;
	PFN_vkCreateDescriptorPool CreateDescriptorPool = nullptr;
	PFN_vkCreateDescriptorSetLayout CreateDescriptorSetLayout = nullptr;
	PFN_vkCreateEvent CreateEvent = nullptr;
	PFN_vkCreateFence CreateFence = nullptr;
	PFN_vkCreateFramebuffer CreateFramebuffer = nullptr;
	PFN_vkCreateGraphicsPipelines CreateGraphicsPipelines = nullptr;
	PFN_vkCreateImage CreateImage = nullptr;
	PFN_vkCreateImageView CreateImageView = nullptr;
	PFN_vkCreatePipelineCache CreatePipelineCache = nullptr;
	PFN_vkCreatePipelineLayout CreatePipelineLayout = nullptr;
	PFN_vkCreateQueryPool CreateQueryPool = nullptr;
	PFN_vkCreateRenderPass CreateRenderPass = nullptr;
	PFN_vkCreateSampler CreateSampler = nullptr;
	PFN_vkCreateSemaphore CreateSemaphore = nullptr;
	PFN_vkCreateShaderModule CreateShaderModule = nullptr;
	PFN_vkDestroyBuffer DestroyBuffer = nullptr;
	PFN_vkDestroyBufferView DestroyBufferView = nullptr;
	PFN_vkDestroyCommandPool DestroyCommandPool = nullptr;
	PFN_vkDestroyDescriptorPool DestroyDescriptorPool = nullptr;
	PFN_vkDestroyDescriptorSetLayout DestroyDescriptorSetLayout = nullptr;
	PFN_vkDestroyEvent DestroyEvent = nullptr;
	PFN_vkDestroyFence DestroyFence = nullptr;
	PFN_vkDestroyFramebuffer DestroyFramebuffer = nullptr;
	PFN_vkDestroyImage DestroyImage = nullptr;
	PFN_vkDestroyImageView DestroyImageView = nullptr;
	PFN_vkDestroyPipeline DestroyPipeline = nullptr;
	PFN_vkDestroyPipelineCache DestroyPipelineCache = nullptr;
	PFN_vkDestroyPipelineLayout DestroyPipelineLayout = nullptr;
	PFN_vkDestroyQueryPool DestroyQueryPool = nullptr;
	PFN_vkDestroyRenderPass DestroyRenderPass = nullptr;
	PFN_vkDestroySampler DestroySampler = nullptr;
	PFN_vkDestroySemaphore DestroySemaphore = nullptr;
	PFN_vkDestroyShaderModule DestroyShaderModule = nullptr;
	PFN_vkDeviceWaitIdle DeviceWaitIdle = nullptr;
	PFN_vkEndCommandBuffer EndCommandBuffer = nullptr;
	PFN_vkFlushMappedMemoryRanges FlushMappedMemoryRanges = nullptr;
	PFN_vkFreeCommandBuffers FreeCommandBuffers = nullptr;
	PFN_vkFreeDescriptorSets FreeDescriptorSets = nullptr;
	PFN_vkFreeMemory FreeMemory = nullptr;
	PFN_vkGetBufferMemoryRequirements GetBufferMemoryRequirements = nullptr;
	PFN_vkGetDeviceMemoryCommitment GetDeviceMemoryCommitment = nullptr;
	PFN_vkGetDeviceQueue GetDeviceQueue = nullptr;
	PFN_vkGetEventStatus GetEventStatus = nullptr;
	PFN_vkGetFenceStatus GetFenceStatus = nullptr;
	PFN_vkGetImageMemoryRequirements GetImageMemoryRequirements = nullptr;
	PFN_vkGetImageSparseMemoryRequirements GetImageSparseMemoryRequirements = nullptr;
	PFN_vkGetImageSubresourceLayout GetImageSubresourceLayout = nullptr;
	PFN_vkGetPipelineCacheData GetPipelineCacheData = nullptr;
	PFN_vkGetQueryPoolResults GetQueryPoolResults = nullptr;
	PFN_vkGetRenderAreaGranularity GetRenderAreaGranularity = nullptr;
	PFN_vkInvalidateMappedMemoryRanges InvalidateMappedMemoryRanges = nullptr;
	PFN_vkMapMemory MapMemory = nullptr;
	PFN_vkMergePipelineCaches MergePipelineCaches = nullptr;
	PFN_vkQueueBindSparse QueueBindSparse = nullptr;
	PFN_vkQueueSubmit QueueSubmit = nullptr;
	PFN_vkQueueWaitIdle QueueWaitIdle = nullptr;
	PFN_vkResetCommandBuffer ResetCommandBuffer = nullptr;
	PFN_vkResetCommandPool ResetCommandPool = nullptr;
	PFN_vkResetDescriptorPool ResetDescriptorPool = nullptr;
	PFN_vkResetEvent ResetEvent = nullptr;
	PFN_vkResetFences ResetFences = nullptr;
	PFN_vkSetEvent SetEvent = nullptr;
	PFN_vkUnmapMemory UnmapMemory = nullptr;
	PFN_vkUpdateDescriptorSets UpdateDescriptorSets = nullptr;
	PFN_vkWaitForFences WaitForFences = nullptr;

	// VK_EXT_debug_marker
	PFN_vkCmdDebugMarkerBeginEXT CmdDebugMarkerBeginEXT = nullptr;
	PFN_vkCmdDebugMarkerEndEXT CmdDebugMarkerEndEXT = nullptr;
	PFN_vkCmdDebugMarkerInsertEXT CmdDebugMarkerInsertEXT = nullptr;

	// VK_KHR_swapchain
	PFN_vkCreateSwapchainKHR CreateSwapchainKHR = nullptr;
	PFN_vkDestroySwapchainKHR DestroySwapchainKHR = nullptr;
	PFN_vkGetSwapchainImagesKHR GetSwapchainImagesKHR = nullptr;
	PFN_vkAcquireNextImageKHR AcquireNextImageKHR = nullptr;
	PFN_vkQueuePresentKHR QueuePresentKHR = nullptr;

	// VK_KHR_external_memory_fd
	PFN_vkGetMemoryFdKHR GetMemoryFdKHR = nullptr;
	PFN_vkGetMemoryFdPropertiesKHR GetMemoryFdPropertiesKHR = nullptr;

	// VK_KHR_external_semaphore_fd
	PFN_vkImportSemaphoreFdKHR ImportSemaphoreFdKHR = nullptr;
	PFN_vkGetSemaphoreFdKHR GetSemaphoreFdKHR = nullptr;

	#if VK_USE_PLATFORM_FUCHSIA
	// VK_FUCHSIA_external_memory
	PFN_vkGetMemoryZirconHandleFUCHSIA GetMemoryZirconHandleFUCHSIA = nullptr;
	PFN_vkGetMemoryZirconHandlePropertiesFUCHSIA GetMemoryZirconHandlePropertiesFUCHSIA =
	nullptr;

	// VK_FUCHSIA_external_semaphore
	PFN_vkImportSemaphoreZirconHandleFUCHSIA ImportSemaphoreZirconHandleFUCHSIA = nullptr;
	PFN_vkGetSemaphoreZirconHandleFUCHSIA GetSemaphoreZirconHandleFUCHSIA = nullptr;
	#endif
	};

	// Create a wrapper around VkResult in the dawn_native::vulkan namespace. This shadows the
	// default VkResult (::VkResult). This ensures that assigning or creating a VkResult from a raw
	// ::VkResult uses WrapUnsafe. This makes it clear that users of VkResult must be intentional
	// about handling error cases.
	class VkResult {
	public:
	constexpr static VkResult WrapUnsafe(::VkResult value) {
	return VkResult(value);
	}

	constexpr operator ::VkResult() const {
	return mValue;
	}

	private:
	// Private. Use VkResult::WrapUnsafe instead.
	constexpr VkResult(::VkResult value) : mValue(value) {
	}

	::VkResult mValue;
	};

	}} // namespace dawn_native::vulkan

	#endif // DAWNNATIVE_VULKAN_VULKANFUNCTIONS_H_