| /* | 
 |  * Copyright 2015 Google Inc. | 
 |  * | 
 |  * Use of this source code is governed by a BSD-style license that can be | 
 |  * found in the LICENSE file. | 
 |  */ | 
 | #include "src/gpu/vk/VulkanInterface.h" | 
 |  | 
 | #include "include/gpu/vk/VulkanExtensions.h" | 
 | #include "include/private/base/SkAssert.h" | 
 | #include "include/private/base/SkDebug.h" | 
 |  | 
 | #include <functional> | 
 |  | 
 | namespace skgpu { | 
 |  | 
 | #define ACQUIRE_PROC(name, instance, device) \ | 
 |     fFunctions.f##name = reinterpret_cast<PFN_vk##name>(getProc("vk" #name, instance, device)) | 
 |  | 
 | #define ACQUIRE_PROC_SUFFIX(name, suffix, instance, device) \ | 
 |     fFunctions.f##name =                                    \ | 
 |             reinterpret_cast<PFN_vk##name##suffix>(getProc("vk" #name #suffix, instance, device)) | 
 |  | 
 | VulkanInterface::VulkanInterface(VulkanGetProc getProc, | 
 |                                  VkInstance instance, | 
 |                                  VkDevice device, | 
 |                                  uint32_t instanceVersion, | 
 |                                  uint32_t physicalDeviceVersion, | 
 |                                  const VulkanExtensions* extensions) { | 
 |     if (getProc == nullptr) { | 
 |         return; | 
 |     } | 
 |     SkASSERT(extensions); | 
 |  | 
 |     // Global/Loader Procs. | 
 |     ACQUIRE_PROC(CreateInstance, VK_NULL_HANDLE, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(EnumerateInstanceExtensionProperties, VK_NULL_HANDLE, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(EnumerateInstanceLayerProperties, VK_NULL_HANDLE, VK_NULL_HANDLE); | 
 |  | 
 |     // Instance Procs. | 
 |     ACQUIRE_PROC(EnumeratePhysicalDevices, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(GetPhysicalDeviceFeatures, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(GetPhysicalDeviceFormatProperties, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(GetPhysicalDeviceImageFormatProperties, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(GetPhysicalDeviceProperties, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(GetPhysicalDeviceQueueFamilyProperties, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(GetPhysicalDeviceMemoryProperties, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(GetPhysicalDeviceSparseImageFormatProperties, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(DestroyInstance, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(CreateDevice, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(DestroyDevice, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(EnumerateDeviceExtensionProperties, instance, VK_NULL_HANDLE); | 
 |     ACQUIRE_PROC(EnumerateDeviceLayerProperties, instance, VK_NULL_HANDLE); | 
 |  | 
 |     // Device Procs. | 
 |     ACQUIRE_PROC(GetDeviceQueue, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(QueueSubmit, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(QueueWaitIdle, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DeviceWaitIdle, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(AllocateMemory, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(FreeMemory, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(MapMemory, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(UnmapMemory, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(FlushMappedMemoryRanges, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(InvalidateMappedMemoryRanges, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetDeviceMemoryCommitment, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(BindBufferMemory, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(BindImageMemory, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetBufferMemoryRequirements, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetImageMemoryRequirements, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetImageSparseMemoryRequirements, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(QueueBindSparse, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateFence, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyFence, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(ResetFences, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetFenceStatus, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(WaitForFences, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateSemaphore, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroySemaphore, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateEvent, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyEvent, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetEventStatus, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(SetEvent, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(ResetEvent, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateQueryPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyQueryPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetQueryPoolResults, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateBufferView, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyBufferView, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateImage, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyImage, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetImageSubresourceLayout, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateImageView, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyImageView, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateShaderModule, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyShaderModule, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreatePipelineCache, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyPipelineCache, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetPipelineCacheData, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(MergePipelineCaches, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateGraphicsPipelines, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateComputePipelines, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyPipeline, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreatePipelineLayout, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyPipelineLayout, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateSampler, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroySampler, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateDescriptorSetLayout, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyDescriptorSetLayout, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateDescriptorPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyDescriptorPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(ResetDescriptorPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(AllocateDescriptorSets, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(FreeDescriptorSets, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(UpdateDescriptorSets, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateFramebuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyFramebuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateRenderPass, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyRenderPass, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(GetRenderAreaGranularity, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CreateCommandPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(DestroyCommandPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(ResetCommandPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(AllocateCommandBuffers, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(FreeCommandBuffers, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(BeginCommandBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(EndCommandBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(ResetCommandBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdBindPipeline, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetViewport, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetScissor, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetLineWidth, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetDepthBias, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetBlendConstants, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetDepthBounds, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetStencilCompareMask, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetStencilWriteMask, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetStencilReference, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdBindDescriptorSets, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdBindIndexBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdBindVertexBuffers, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdDraw, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdDrawIndexed, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdDrawIndirect, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdDrawIndexedIndirect, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdDispatch, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdDispatchIndirect, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdCopyBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdCopyImage, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdBlitImage, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdCopyBufferToImage, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdCopyImageToBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdUpdateBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdFillBuffer, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdClearColorImage, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdClearDepthStencilImage, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdClearAttachments, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdResolveImage, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdSetEvent, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdResetEvent, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdWaitEvents, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdPipelineBarrier, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdBeginQuery, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdEndQuery, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdResetQueryPool, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdWriteTimestamp, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdCopyQueryPoolResults, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdPushConstants, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdBeginRenderPass, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdNextSubpass, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdEndRenderPass, VK_NULL_HANDLE, device); | 
 |     ACQUIRE_PROC(CmdExecuteCommands, VK_NULL_HANDLE, device); | 
 |  | 
 |     // Functions for VK_KHR_get_physical_device_properties2 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0)) { | 
 |         ACQUIRE_PROC(GetPhysicalDeviceFeatures2, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC(GetPhysicalDeviceProperties2, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC(GetPhysicalDeviceFormatProperties2, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC(GetPhysicalDeviceImageFormatProperties2, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC(GetPhysicalDeviceQueueFamilyProperties2, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC(GetPhysicalDeviceMemoryProperties2, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC(GetPhysicalDeviceSparseImageFormatProperties2, instance, VK_NULL_HANDLE); | 
 |     } else if (extensions->hasExtension(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME, | 
 |                                         1)) { | 
 |         ACQUIRE_PROC_SUFFIX(GetPhysicalDeviceFeatures2, KHR, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC_SUFFIX(GetPhysicalDeviceProperties2, KHR, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC_SUFFIX(GetPhysicalDeviceFormatProperties2, KHR, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC_SUFFIX(GetPhysicalDeviceImageFormatProperties2, KHR, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC_SUFFIX(GetPhysicalDeviceQueueFamilyProperties2, KHR, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC_SUFFIX(GetPhysicalDeviceMemoryProperties2, KHR, instance, VK_NULL_HANDLE); | 
 |         ACQUIRE_PROC_SUFFIX(GetPhysicalDeviceSparseImageFormatProperties2, KHR, instance, | 
 |                             VK_NULL_HANDLE); | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_get_memory_requirements2 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0)) { | 
 |         ACQUIRE_PROC(GetImageMemoryRequirements2, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC(GetBufferMemoryRequirements2, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC(GetImageSparseMemoryRequirements2, VK_NULL_HANDLE, device); | 
 |     } else if (extensions->hasExtension(VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME, 1)) { | 
 |         ACQUIRE_PROC_SUFFIX(GetImageMemoryRequirements2, KHR, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC_SUFFIX(GetBufferMemoryRequirements2, KHR, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC_SUFFIX(GetImageSparseMemoryRequirements2, KHR, VK_NULL_HANDLE, device); | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_bind_memory2 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0)) { | 
 |         ACQUIRE_PROC(BindBufferMemory2, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC(BindImageMemory2, VK_NULL_HANDLE, device); | 
 |     } else if (extensions->hasExtension(VK_KHR_BIND_MEMORY_2_EXTENSION_NAME, 1)) { | 
 |         ACQUIRE_PROC_SUFFIX(BindBufferMemory2, KHR, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC_SUFFIX(BindImageMemory2, KHR, VK_NULL_HANDLE, device); | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_maintenance1 or vulkan 1.1 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0)) { | 
 |         ACQUIRE_PROC(TrimCommandPool, VK_NULL_HANDLE, device); | 
 |     } else if (extensions->hasExtension(VK_KHR_MAINTENANCE1_EXTENSION_NAME, 1)) { | 
 |         ACQUIRE_PROC_SUFFIX(TrimCommandPool, KHR, VK_NULL_HANDLE, device); | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_maintenance3 or vulkan 1.1 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0)) { | 
 |         ACQUIRE_PROC(GetDescriptorSetLayoutSupport, VK_NULL_HANDLE, device); | 
 |     } else if (extensions->hasExtension(VK_KHR_MAINTENANCE3_EXTENSION_NAME, 1)) { | 
 |         ACQUIRE_PROC_SUFFIX(GetDescriptorSetLayoutSupport, KHR, VK_NULL_HANDLE, device); | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_external_memory_capabilities | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0)) { | 
 |         ACQUIRE_PROC(GetPhysicalDeviceExternalBufferProperties, instance, VK_NULL_HANDLE); | 
 |     } else if (extensions->hasExtension(VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME, 1)) { | 
 |         ACQUIRE_PROC_SUFFIX(GetPhysicalDeviceExternalBufferProperties, KHR, instance, | 
 |                             VK_NULL_HANDLE); | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_sampler_ycbcr_conversion | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0)) { | 
 |         ACQUIRE_PROC(CreateSamplerYcbcrConversion, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC(DestroySamplerYcbcrConversion, VK_NULL_HANDLE, device); | 
 |     } else if (extensions->hasExtension(VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME, 1)) { | 
 |         ACQUIRE_PROC_SUFFIX(CreateSamplerYcbcrConversion, KHR, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC_SUFFIX(DestroySamplerYcbcrConversion, KHR, VK_NULL_HANDLE, device); | 
 |     } | 
 |  | 
 |     // Functions for VK_EXT_device_fault | 
 |     if (extensions->hasExtension(VK_EXT_DEVICE_FAULT_EXTENSION_NAME, 1)) { | 
 |         ACQUIRE_PROC_SUFFIX(GetDeviceFaultInfo, EXT, VK_NULL_HANDLE, device); | 
 |     } | 
 |  | 
 | #ifdef SK_BUILD_FOR_ANDROID | 
 |     // Functions for VK_ANDROID_external_memory_android_hardware_buffer | 
 |     if (extensions->hasExtension( | 
 |             VK_ANDROID_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER_EXTENSION_NAME, 2)) { | 
 |         ACQUIRE_PROC_SUFFIX(GetAndroidHardwareBufferProperties, ANDROID, VK_NULL_HANDLE, device); | 
 |         ACQUIRE_PROC_SUFFIX(GetMemoryAndroidHardwareBuffer, ANDROID, VK_NULL_HANDLE, device); | 
 |     } | 
 | #endif | 
 |  | 
 | } | 
 |  | 
 | #ifdef SK_DEBUG | 
 |     constexpr int kIsDebug = 1; | 
 | #else | 
 |     constexpr int kIsDebug = 0; | 
 | #endif | 
 |  | 
 | #define RETURN_FALSE_INTERFACE                                                                     \ | 
 |     if (kIsDebug) { SkDebugf("%s:%d VulkanInterface::validate() failed.\n", __FILE__, __LINE__); } \ | 
 |     return false; | 
 |  | 
 | bool VulkanInterface::validate(uint32_t instanceVersion, | 
 |                                uint32_t physicalDeviceVersion, | 
 |                                const VulkanExtensions* extensions) const { | 
 |     // functions that are always required | 
 |     if (nullptr == fFunctions.fCreateInstance || | 
 |         nullptr == fFunctions.fDestroyInstance || | 
 |         nullptr == fFunctions.fEnumeratePhysicalDevices || | 
 |         nullptr == fFunctions.fGetPhysicalDeviceFeatures || | 
 |         nullptr == fFunctions.fGetPhysicalDeviceFormatProperties || | 
 |         nullptr == fFunctions.fGetPhysicalDeviceImageFormatProperties || | 
 |         nullptr == fFunctions.fGetPhysicalDeviceProperties || | 
 |         nullptr == fFunctions.fGetPhysicalDeviceQueueFamilyProperties || | 
 |         nullptr == fFunctions.fGetPhysicalDeviceMemoryProperties || | 
 |         nullptr == fFunctions.fCreateDevice || | 
 |         nullptr == fFunctions.fDestroyDevice || | 
 |         nullptr == fFunctions.fEnumerateInstanceExtensionProperties || | 
 |         nullptr == fFunctions.fEnumerateDeviceExtensionProperties || | 
 |         nullptr == fFunctions.fEnumerateInstanceLayerProperties || | 
 |         nullptr == fFunctions.fEnumerateDeviceLayerProperties || | 
 |         nullptr == fFunctions.fGetDeviceQueue || | 
 |         nullptr == fFunctions.fQueueSubmit || | 
 |         nullptr == fFunctions.fQueueWaitIdle || | 
 |         nullptr == fFunctions.fDeviceWaitIdle || | 
 |         nullptr == fFunctions.fAllocateMemory || | 
 |         nullptr == fFunctions.fFreeMemory || | 
 |         nullptr == fFunctions.fMapMemory || | 
 |         nullptr == fFunctions.fUnmapMemory || | 
 |         nullptr == fFunctions.fFlushMappedMemoryRanges || | 
 |         nullptr == fFunctions.fInvalidateMappedMemoryRanges || | 
 |         nullptr == fFunctions.fGetDeviceMemoryCommitment || | 
 |         nullptr == fFunctions.fBindBufferMemory || | 
 |         nullptr == fFunctions.fBindImageMemory || | 
 |         nullptr == fFunctions.fGetBufferMemoryRequirements || | 
 |         nullptr == fFunctions.fGetImageMemoryRequirements || | 
 |         nullptr == fFunctions.fGetImageSparseMemoryRequirements || | 
 |         nullptr == fFunctions.fGetPhysicalDeviceSparseImageFormatProperties || | 
 |         nullptr == fFunctions.fQueueBindSparse || | 
 |         nullptr == fFunctions.fCreateFence || | 
 |         nullptr == fFunctions.fDestroyFence || | 
 |         nullptr == fFunctions.fResetFences || | 
 |         nullptr == fFunctions.fGetFenceStatus || | 
 |         nullptr == fFunctions.fWaitForFences || | 
 |         nullptr == fFunctions.fCreateSemaphore || | 
 |         nullptr == fFunctions.fDestroySemaphore || | 
 |         nullptr == fFunctions.fCreateEvent || | 
 |         nullptr == fFunctions.fDestroyEvent || | 
 |         nullptr == fFunctions.fGetEventStatus || | 
 |         nullptr == fFunctions.fSetEvent || | 
 |         nullptr == fFunctions.fResetEvent || | 
 |         nullptr == fFunctions.fCreateQueryPool || | 
 |         nullptr == fFunctions.fDestroyQueryPool || | 
 |         nullptr == fFunctions.fGetQueryPoolResults || | 
 |         nullptr == fFunctions.fCreateBuffer || | 
 |         nullptr == fFunctions.fDestroyBuffer || | 
 |         nullptr == fFunctions.fCreateBufferView || | 
 |         nullptr == fFunctions.fDestroyBufferView || | 
 |         nullptr == fFunctions.fCreateImage || | 
 |         nullptr == fFunctions.fDestroyImage || | 
 |         nullptr == fFunctions.fGetImageSubresourceLayout || | 
 |         nullptr == fFunctions.fCreateImageView || | 
 |         nullptr == fFunctions.fDestroyImageView || | 
 |         nullptr == fFunctions.fCreateShaderModule || | 
 |         nullptr == fFunctions.fDestroyShaderModule || | 
 |         nullptr == fFunctions.fCreatePipelineCache || | 
 |         nullptr == fFunctions.fDestroyPipelineCache || | 
 |         nullptr == fFunctions.fGetPipelineCacheData || | 
 |         nullptr == fFunctions.fMergePipelineCaches || | 
 |         nullptr == fFunctions.fCreateGraphicsPipelines || | 
 |         nullptr == fFunctions.fCreateComputePipelines || | 
 |         nullptr == fFunctions.fDestroyPipeline || | 
 |         nullptr == fFunctions.fCreatePipelineLayout || | 
 |         nullptr == fFunctions.fDestroyPipelineLayout || | 
 |         nullptr == fFunctions.fCreateSampler || | 
 |         nullptr == fFunctions.fDestroySampler || | 
 |         nullptr == fFunctions.fCreateDescriptorSetLayout || | 
 |         nullptr == fFunctions.fDestroyDescriptorSetLayout || | 
 |         nullptr == fFunctions.fCreateDescriptorPool || | 
 |         nullptr == fFunctions.fDestroyDescriptorPool || | 
 |         nullptr == fFunctions.fResetDescriptorPool || | 
 |         nullptr == fFunctions.fAllocateDescriptorSets || | 
 |         nullptr == fFunctions.fFreeDescriptorSets || | 
 |         nullptr == fFunctions.fUpdateDescriptorSets || | 
 |         nullptr == fFunctions.fCreateFramebuffer || | 
 |         nullptr == fFunctions.fDestroyFramebuffer || | 
 |         nullptr == fFunctions.fCreateRenderPass || | 
 |         nullptr == fFunctions.fDestroyRenderPass || | 
 |         nullptr == fFunctions.fGetRenderAreaGranularity || | 
 |         nullptr == fFunctions.fCreateCommandPool || | 
 |         nullptr == fFunctions.fDestroyCommandPool || | 
 |         nullptr == fFunctions.fResetCommandPool || | 
 |         nullptr == fFunctions.fAllocateCommandBuffers || | 
 |         nullptr == fFunctions.fFreeCommandBuffers || | 
 |         nullptr == fFunctions.fBeginCommandBuffer || | 
 |         nullptr == fFunctions.fEndCommandBuffer || | 
 |         nullptr == fFunctions.fResetCommandBuffer || | 
 |         nullptr == fFunctions.fCmdBindPipeline || | 
 |         nullptr == fFunctions.fCmdSetViewport || | 
 |         nullptr == fFunctions.fCmdSetScissor || | 
 |         nullptr == fFunctions.fCmdSetLineWidth || | 
 |         nullptr == fFunctions.fCmdSetDepthBias || | 
 |         nullptr == fFunctions.fCmdSetBlendConstants || | 
 |         nullptr == fFunctions.fCmdSetDepthBounds || | 
 |         nullptr == fFunctions.fCmdSetStencilCompareMask || | 
 |         nullptr == fFunctions.fCmdSetStencilWriteMask || | 
 |         nullptr == fFunctions.fCmdSetStencilReference || | 
 |         nullptr == fFunctions.fCmdBindDescriptorSets || | 
 |         nullptr == fFunctions.fCmdBindIndexBuffer || | 
 |         nullptr == fFunctions.fCmdBindVertexBuffers || | 
 |         nullptr == fFunctions.fCmdDraw || | 
 |         nullptr == fFunctions.fCmdDrawIndexed || | 
 |         nullptr == fFunctions.fCmdDrawIndirect || | 
 |         nullptr == fFunctions.fCmdDrawIndexedIndirect || | 
 |         nullptr == fFunctions.fCmdDispatch || | 
 |         nullptr == fFunctions.fCmdDispatchIndirect || | 
 |         nullptr == fFunctions.fCmdCopyBuffer || | 
 |         nullptr == fFunctions.fCmdCopyImage || | 
 |         nullptr == fFunctions.fCmdBlitImage || | 
 |         nullptr == fFunctions.fCmdCopyBufferToImage || | 
 |         nullptr == fFunctions.fCmdCopyImageToBuffer || | 
 |         nullptr == fFunctions.fCmdUpdateBuffer || | 
 |         nullptr == fFunctions.fCmdFillBuffer || | 
 |         nullptr == fFunctions.fCmdClearColorImage || | 
 |         nullptr == fFunctions.fCmdClearDepthStencilImage || | 
 |         nullptr == fFunctions.fCmdClearAttachments || | 
 |         nullptr == fFunctions.fCmdResolveImage || | 
 |         nullptr == fFunctions.fCmdSetEvent || | 
 |         nullptr == fFunctions.fCmdResetEvent || | 
 |         nullptr == fFunctions.fCmdWaitEvents || | 
 |         nullptr == fFunctions.fCmdPipelineBarrier || | 
 |         nullptr == fFunctions.fCmdBeginQuery || | 
 |         nullptr == fFunctions.fCmdEndQuery || | 
 |         nullptr == fFunctions.fCmdResetQueryPool || | 
 |         nullptr == fFunctions.fCmdWriteTimestamp || | 
 |         nullptr == fFunctions.fCmdCopyQueryPoolResults || | 
 |         nullptr == fFunctions.fCmdPushConstants || | 
 |         nullptr == fFunctions.fCmdBeginRenderPass || | 
 |         nullptr == fFunctions.fCmdNextSubpass || | 
 |         nullptr == fFunctions.fCmdEndRenderPass || | 
 |         nullptr == fFunctions.fCmdExecuteCommands) { | 
 |         RETURN_FALSE_INTERFACE | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_get_physical_device_properties2 or vulkan 1.1 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || | 
 |         extensions->hasExtension(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME, 1)) { | 
 |         if (nullptr == fFunctions.fGetPhysicalDeviceFeatures2 || | 
 |             nullptr == fFunctions.fGetPhysicalDeviceProperties2 || | 
 |             nullptr == fFunctions.fGetPhysicalDeviceFormatProperties2 || | 
 |             nullptr == fFunctions.fGetPhysicalDeviceImageFormatProperties2 || | 
 |             nullptr == fFunctions.fGetPhysicalDeviceQueueFamilyProperties2 || | 
 |             nullptr == fFunctions.fGetPhysicalDeviceMemoryProperties2 || | 
 |             nullptr == fFunctions.fGetPhysicalDeviceSparseImageFormatProperties2) { | 
 |             RETURN_FALSE_INTERFACE | 
 |         } | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_get_memory_requirements2 or vulkan 1.1 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || | 
 |         extensions->hasExtension(VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME, 1)) { | 
 |         if (nullptr == fFunctions.fGetImageMemoryRequirements2 || | 
 |             nullptr == fFunctions.fGetBufferMemoryRequirements2 || | 
 |             nullptr == fFunctions.fGetImageSparseMemoryRequirements2) { | 
 |             RETURN_FALSE_INTERFACE | 
 |         } | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_bind_memory2 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || | 
 |         extensions->hasExtension(VK_KHR_BIND_MEMORY_2_EXTENSION_NAME, 1)) { | 
 |         if (nullptr == fFunctions.fBindBufferMemory2 || | 
 |             nullptr == fFunctions.fBindImageMemory2) { | 
 |             RETURN_FALSE_INTERFACE | 
 |         } | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_maintenance1 or vulkan 1.1 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || | 
 |         extensions->hasExtension(VK_KHR_MAINTENANCE1_EXTENSION_NAME, 1)) { | 
 |         if (nullptr == fFunctions.fTrimCommandPool) { | 
 |             RETURN_FALSE_INTERFACE | 
 |         } | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_maintenance3 or vulkan 1.1 | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || | 
 |         extensions->hasExtension(VK_KHR_MAINTENANCE3_EXTENSION_NAME, 1)) { | 
 |         if (nullptr == fFunctions.fGetDescriptorSetLayoutSupport) { | 
 |             RETURN_FALSE_INTERFACE | 
 |         } | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_external_memory_capabilities | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || | 
 |         extensions->hasExtension(VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME, 1)) { | 
 |         if (nullptr == fFunctions.fGetPhysicalDeviceExternalBufferProperties) { | 
 |             RETURN_FALSE_INTERFACE | 
 |         } | 
 |     } | 
 |  | 
 |     // Functions for VK_KHR_sampler_ycbcr_conversion | 
 |     if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) || | 
 |         extensions->hasExtension(VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME, 1)) { | 
 |         if (nullptr == fFunctions.fCreateSamplerYcbcrConversion || | 
 |             nullptr == fFunctions.fDestroySamplerYcbcrConversion) { | 
 |             RETURN_FALSE_INTERFACE | 
 |         } | 
 |     } | 
 |  | 
 | #ifdef SK_BUILD_FOR_ANDROID | 
 |     // Functions for VK_ANDROID_external_memory_android_hardware_buffer | 
 |     if (extensions->hasExtension( | 
 |             VK_ANDROID_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER_EXTENSION_NAME, 2)) { | 
 |         if (nullptr == fFunctions.fGetAndroidHardwareBufferProperties || | 
 |             nullptr == fFunctions.fGetMemoryAndroidHardwareBuffer) { | 
 |             RETURN_FALSE_INTERFACE | 
 |         } | 
 |     } | 
 | #endif | 
 |  | 
 |     return true; | 
 | } | 
 |  | 
 | } // namespace skgpu | 
 |  |