| /* |
| * Copyright 2023 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "tools/window/VulkanWindowContext.h" |
| |
| #include "include/core/SkSurface.h" |
| #include "include/gpu/ganesh/GrBackendSemaphore.h" |
| #include "include/gpu/ganesh/GrBackendSurface.h" |
| #include "include/gpu/ganesh/GrDirectContext.h" |
| #include "include/gpu/ganesh/SkSurfaceGanesh.h" |
| #include "include/gpu/ganesh/vk/GrVkBackendSemaphore.h" |
| #include "include/gpu/ganesh/vk/GrVkBackendSurface.h" |
| #include "include/gpu/ganesh/vk/GrVkDirectContext.h" |
| #include "include/gpu/ganesh/vk/GrVkTypes.h" |
| #include "include/gpu/vk/VulkanExtensions.h" |
| #include "src/gpu/GpuTypesPriv.h" |
| #include "include/gpu/vk/VulkanMutableTextureState.h" |
| #include "src/base/SkAutoMalloc.h" |
| #include "src/gpu/ganesh/vk/GrVkImage.h" |
| #include "src/gpu/ganesh/vk/GrVkUtil.h" |
| #include "src/gpu/vk/VulkanInterface.h" |
| #include "src/gpu/vk/vulkanmemoryallocator/VulkanAMDMemoryAllocator.h" |
| |
| #ifdef VK_USE_PLATFORM_WIN32_KHR |
| // windows wants to define this as CreateSemaphoreA or CreateSemaphoreW |
| #undef CreateSemaphore |
| #endif |
| |
| #define GET_PROC(F) f ## F = \ |
| (PFN_vk ## F) backendContext.fGetProc("vk" #F, fInstance, VK_NULL_HANDLE) |
| #define GET_DEV_PROC(F) f ## F = \ |
| (PFN_vk ## F) backendContext.fGetProc("vk" #F, VK_NULL_HANDLE, fDevice) |
| |
| namespace skwindow::internal { |
| |
| VulkanWindowContext::VulkanWindowContext(std::unique_ptr<const DisplayParams> params, |
| CreateVkSurfaceFn createVkSurface, |
| CanPresentFn canPresent, |
| PFN_vkGetInstanceProcAddr instProc) |
| : WindowContext(std::move(params)) |
| , fDeviceSurface(VK_NULL_HANDLE) |
| , fSwapchain(VK_NULL_HANDLE) |
| , fCreateVkSurfaceFn(std::move(createVkSurface)) |
| , fCanPresentFn(std::move(canPresent)) { |
| fGetInstanceProcAddr = instProc; |
| this->initializeContext(); |
| } |
| |
| void VulkanWindowContext::initializeContext() { |
| SkASSERT(!fContext); |
| // Any config code here (particularly for msaa)? |
| |
| PFN_vkGetInstanceProcAddr getInstanceProc = fGetInstanceProcAddr; |
| skgpu::VulkanBackendContext backendContext; |
| skgpu::VulkanExtensions extensions; |
| sk_gpu_test::TestVkFeatures features; |
| if (!sk_gpu_test::CreateVkBackendContext(getInstanceProc, |
| &backendContext, |
| &extensions, |
| &features, |
| &fDebugMessenger, |
| &fPresentQueueIndex, |
| fCanPresentFn, |
| fDisplayParams->createProtectedNativeBackend())) { |
| return; |
| } |
| |
| if (!extensions.hasExtension(VK_KHR_SURFACE_EXTENSION_NAME, 25) || |
| !extensions.hasExtension(VK_KHR_SWAPCHAIN_EXTENSION_NAME, 68)) { |
| return; |
| } |
| |
| fInstance = backendContext.fInstance; |
| fPhysicalDevice = backendContext.fPhysicalDevice; |
| fDevice = backendContext.fDevice; |
| fGraphicsQueueIndex = backendContext.fGraphicsQueueIndex; |
| fGraphicsQueue = backendContext.fQueue; |
| |
| PFN_vkGetPhysicalDeviceProperties localGetPhysicalDeviceProperties = |
| reinterpret_cast<PFN_vkGetPhysicalDeviceProperties>( |
| backendContext.fGetProc("vkGetPhysicalDeviceProperties", |
| backendContext.fInstance, |
| VK_NULL_HANDLE)); |
| if (!localGetPhysicalDeviceProperties) { |
| return; |
| } |
| VkPhysicalDeviceProperties physDeviceProperties; |
| localGetPhysicalDeviceProperties(backendContext.fPhysicalDevice, &physDeviceProperties); |
| uint32_t physDevVersion = physDeviceProperties.apiVersion; |
| |
| fInterface.reset(new skgpu::VulkanInterface(backendContext.fGetProc, |
| fInstance, |
| fDevice, |
| backendContext.fMaxAPIVersion, |
| physDevVersion, |
| &extensions)); |
| |
| GET_PROC(DestroyInstance); |
| if (fDebugMessenger != VK_NULL_HANDLE) { |
| GET_PROC(DestroyDebugUtilsMessengerEXT); |
| } |
| GET_PROC(DestroySurfaceKHR); |
| GET_PROC(GetPhysicalDeviceSurfaceSupportKHR); |
| GET_PROC(GetPhysicalDeviceSurfaceCapabilitiesKHR); |
| GET_PROC(GetPhysicalDeviceSurfaceFormatsKHR); |
| GET_PROC(GetPhysicalDeviceSurfacePresentModesKHR); |
| GET_DEV_PROC(DeviceWaitIdle); |
| GET_DEV_PROC(QueueWaitIdle); |
| GET_DEV_PROC(DestroyDevice); |
| GET_DEV_PROC(CreateSwapchainKHR); |
| GET_DEV_PROC(DestroySwapchainKHR); |
| GET_DEV_PROC(GetSwapchainImagesKHR); |
| GET_DEV_PROC(AcquireNextImageKHR); |
| GET_DEV_PROC(QueuePresentKHR); |
| GET_DEV_PROC(GetDeviceQueue); |
| |
| backendContext.fMemoryAllocator = |
| skgpu::VulkanAMDMemoryAllocator::Make(fInstance, |
| backendContext.fPhysicalDevice, |
| backendContext.fDevice, |
| physDevVersion, |
| &extensions, |
| fInterface.get(), |
| skgpu::ThreadSafe::kNo, |
| /*blockSize=*/std::nullopt); |
| |
| fContext = GrDirectContexts::MakeVulkan(backendContext, fDisplayParams->grContextOptions()); |
| |
| fDeviceSurface = fCreateVkSurfaceFn(fInstance); |
| if (VK_NULL_HANDLE == fDeviceSurface) { |
| this->destroyContext(); |
| return; |
| } |
| |
| VkBool32 supported; |
| VkResult res = fGetPhysicalDeviceSurfaceSupportKHR( |
| fPhysicalDevice, fPresentQueueIndex, fDeviceSurface, &supported); |
| if (VK_SUCCESS != res) { |
| this->destroyContext(); |
| return; |
| } |
| |
| if (!this->createSwapchain(-1, -1)) { |
| this->destroyContext(); |
| return; |
| } |
| |
| fGetDeviceQueue(fDevice, fPresentQueueIndex, /*queueIndex=*/0, &fPresentQueue); |
| } |
| |
| bool VulkanWindowContext::createSwapchain(int width, int height) { |
| // Check surface capabilities |
| VkSurfaceCapabilitiesKHR caps; |
| VkResult res = fGetPhysicalDeviceSurfaceCapabilitiesKHR(fPhysicalDevice, fDeviceSurface, &caps); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| uint32_t surfaceFormatCount; |
| res = fGetPhysicalDeviceSurfaceFormatsKHR(fPhysicalDevice, fDeviceSurface, &surfaceFormatCount, |
| nullptr); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| SkAutoMalloc surfaceFormatAlloc(surfaceFormatCount * sizeof(VkSurfaceFormatKHR)); |
| VkSurfaceFormatKHR* surfaceFormats = (VkSurfaceFormatKHR*)surfaceFormatAlloc.get(); |
| res = fGetPhysicalDeviceSurfaceFormatsKHR(fPhysicalDevice, fDeviceSurface, &surfaceFormatCount, |
| surfaceFormats); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| uint32_t presentModeCount; |
| res = fGetPhysicalDeviceSurfacePresentModesKHR(fPhysicalDevice, fDeviceSurface, &presentModeCount, |
| nullptr); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| SkAutoMalloc presentModeAlloc(presentModeCount * sizeof(VkPresentModeKHR)); |
| VkPresentModeKHR* presentModes = (VkPresentModeKHR*)presentModeAlloc.get(); |
| res = fGetPhysicalDeviceSurfacePresentModesKHR(fPhysicalDevice, fDeviceSurface, &presentModeCount, |
| presentModes); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| VkExtent2D extent = caps.currentExtent; |
| // Use the hints for width + height |
| if (extent.width == (uint32_t)-1) { |
| extent.width = width; |
| extent.height = height; |
| } |
| // Clamp the values to protect from broken hints |
| if (extent.width < caps.minImageExtent.width) { |
| extent.width = caps.minImageExtent.width; |
| } else if (extent.width > caps.maxImageExtent.width) { |
| extent.width = caps.maxImageExtent.width; |
| } |
| if (extent.height < caps.minImageExtent.height) { |
| extent.height = caps.minImageExtent.height; |
| } else if (extent.height > caps.maxImageExtent.height) { |
| extent.height = caps.maxImageExtent.height; |
| } |
| fWidth = (int)extent.width; |
| fHeight = (int)extent.height; |
| |
| uint32_t imageCount = caps.minImageCount + 2; |
| if (caps.maxImageCount > 0 && imageCount > caps.maxImageCount) { |
| // Application must settle for fewer images than desired: |
| imageCount = caps.maxImageCount; |
| } |
| |
| VkImageUsageFlags usageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | |
| VK_IMAGE_USAGE_TRANSFER_SRC_BIT | |
| VK_IMAGE_USAGE_TRANSFER_DST_BIT; |
| SkASSERT((caps.supportedUsageFlags & usageFlags) == usageFlags); |
| if (caps.supportedUsageFlags & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) { |
| usageFlags |= VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT; |
| } |
| if (caps.supportedUsageFlags & VK_IMAGE_USAGE_SAMPLED_BIT) { |
| usageFlags |= VK_IMAGE_USAGE_SAMPLED_BIT; |
| } |
| SkASSERT(caps.supportedTransforms & caps.currentTransform); |
| SkASSERT(caps.supportedCompositeAlpha & (VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR | |
| VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR)); |
| VkCompositeAlphaFlagBitsKHR composite_alpha = |
| (caps.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR) ? |
| VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR : |
| VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; |
| |
| // Pick our surface format. |
| VkFormat surfaceFormat = VK_FORMAT_UNDEFINED; |
| VkColorSpaceKHR colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; |
| for (uint32_t i = 0; i < surfaceFormatCount; ++i) { |
| VkFormat localFormat = surfaceFormats[i].format; |
| if (GrVkFormatIsSupported(localFormat)) { |
| surfaceFormat = localFormat; |
| colorSpace = surfaceFormats[i].colorSpace; |
| break; |
| } |
| } |
| fSampleCount = std::max(1, fDisplayParams->msaaSampleCount()); |
| fStencilBits = 8; |
| |
| if (VK_FORMAT_UNDEFINED == surfaceFormat) { |
| return false; |
| } |
| |
| SkColorType colorType; |
| switch (surfaceFormat) { |
| case VK_FORMAT_R8G8B8A8_UNORM: // fall through |
| case VK_FORMAT_R8G8B8A8_SRGB: |
| colorType = kRGBA_8888_SkColorType; |
| break; |
| case VK_FORMAT_B8G8R8A8_UNORM: // fall through |
| colorType = kBGRA_8888_SkColorType; |
| break; |
| default: |
| return false; |
| } |
| |
| // If mailbox mode is available, use it, as it is the lowest-latency non- |
| // tearing mode. If not, fall back to FIFO which is always available. |
| VkPresentModeKHR mode = VK_PRESENT_MODE_FIFO_KHR; |
| bool hasImmediate = false; |
| for (uint32_t i = 0; i < presentModeCount; ++i) { |
| // use mailbox |
| if (VK_PRESENT_MODE_MAILBOX_KHR == presentModes[i]) { |
| mode = VK_PRESENT_MODE_MAILBOX_KHR; |
| } |
| if (VK_PRESENT_MODE_IMMEDIATE_KHR == presentModes[i]) { |
| hasImmediate = true; |
| } |
| } |
| if (fDisplayParams->disableVsync() && hasImmediate) { |
| mode = VK_PRESENT_MODE_IMMEDIATE_KHR; |
| } |
| |
| VkSwapchainCreateInfoKHR swapchainCreateInfo; |
| memset(&swapchainCreateInfo, 0, sizeof(VkSwapchainCreateInfoKHR)); |
| swapchainCreateInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR; |
| swapchainCreateInfo.flags = fDisplayParams->createProtectedNativeBackend() |
| ? VK_SWAPCHAIN_CREATE_PROTECTED_BIT_KHR |
| : 0; |
| swapchainCreateInfo.surface = fDeviceSurface; |
| swapchainCreateInfo.minImageCount = imageCount; |
| swapchainCreateInfo.imageFormat = surfaceFormat; |
| swapchainCreateInfo.imageColorSpace = colorSpace; |
| swapchainCreateInfo.imageExtent = extent; |
| swapchainCreateInfo.imageArrayLayers = 1; |
| swapchainCreateInfo.imageUsage = usageFlags; |
| |
| uint32_t queueFamilies[] = { fGraphicsQueueIndex, fPresentQueueIndex }; |
| if (fGraphicsQueueIndex != fPresentQueueIndex) { |
| swapchainCreateInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT; |
| swapchainCreateInfo.queueFamilyIndexCount = 2; |
| swapchainCreateInfo.pQueueFamilyIndices = queueFamilies; |
| } else { |
| swapchainCreateInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE; |
| swapchainCreateInfo.queueFamilyIndexCount = 0; |
| swapchainCreateInfo.pQueueFamilyIndices = nullptr; |
| } |
| |
| swapchainCreateInfo.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR; |
| swapchainCreateInfo.compositeAlpha = composite_alpha; |
| swapchainCreateInfo.presentMode = mode; |
| swapchainCreateInfo.clipped = true; |
| swapchainCreateInfo.oldSwapchain = fSwapchain; |
| |
| res = fCreateSwapchainKHR(fDevice, &swapchainCreateInfo, nullptr, &fSwapchain); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| // Destroy the old swapchain |
| if (swapchainCreateInfo.oldSwapchain != VK_NULL_HANDLE) { |
| fDeviceWaitIdle(fDevice); |
| this->resetSwapchainImages(); |
| fDestroySwapchainKHR(fDevice, swapchainCreateInfo.oldSwapchain, nullptr); |
| swapchainCreateInfo.oldSwapchain = VK_NULL_HANDLE; |
| } |
| // If buffer creation fails, destroy the swapchain. |
| if (!this->populateSwapchainImages(swapchainCreateInfo.imageFormat, |
| usageFlags, |
| colorType, |
| swapchainCreateInfo.imageSharingMode)) { |
| fDeviceWaitIdle(fDevice); |
| this->resetSwapchainImages(); |
| fDestroySwapchainKHR(fDevice, swapchainCreateInfo.oldSwapchain, nullptr); |
| swapchainCreateInfo.oldSwapchain = VK_NULL_HANDLE; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool VulkanWindowContext::populateSwapchainImages(VkFormat format, |
| VkImageUsageFlags usageFlags, |
| SkColorType colorType, |
| VkSharingMode sharingMode) { |
| // Determine number of swapchain images |
| uint32_t swapchainImgCount; |
| fGetSwapchainImagesKHR(fDevice, fSwapchain, &swapchainImgCount, /*pSwapchainImages*/nullptr); |
| SkASSERT(swapchainImgCount); |
| |
| // Define an array of VkImages and query the driver to populate it |
| skia_private::AutoTArray<VkImage> vkImages((size_t)swapchainImgCount); |
| std::fill_n(vkImages.get(), swapchainImgCount, VK_NULL_HANDLE); |
| fGetSwapchainImagesKHR(fDevice, fSwapchain, &swapchainImgCount, vkImages.get()); |
| |
| // Populate all swapchain image representations |
| fImages = skia_private::AutoTArray<SwapchainImage>((size_t)swapchainImgCount); |
| for (uint32_t i = 0; i < swapchainImgCount; ++i) { |
| // Make sure we were provided a valid VkImage handle |
| SkASSERT(vkImages[i] != VK_NULL_HANDLE); |
| fImages[i].fVkImage = vkImages[i]; |
| |
| // Create the semaphore that will be signaled once the image done being rendered |
| static const VkSemaphoreCreateInfo submitSemInfo = |
| {VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO, /*pNext=*/nullptr, /*flags=*/0}; |
| SkDEBUGCODE(VkResult result = )GR_VK_CALL( |
| fInterface, |
| CreateSemaphore(fDevice, |
| &submitSemInfo, |
| /*pAllocator=*/nullptr, |
| &fImages[i].fRenderCompletionSemaphore)); |
| SkASSERT(result == VK_SUCCESS && fImages[i].fRenderCompletionSemaphore != VK_NULL_HANDLE); |
| |
| // Populate GrVkImageInfo for Surface creation |
| GrVkImageInfo info; |
| info.fImage = vkImages[i]; |
| info.fAlloc = skgpu::VulkanAlloc(); |
| info.fFormat = format; |
| info.fImageUsageFlags = usageFlags; |
| info.fLevelCount = 1; |
| info.fCurrentQueueFamily = fPresentQueueIndex; |
| info.fProtected = skgpu::Protected(fDisplayParams->createProtectedNativeBackend()); |
| info.fSharingMode = sharingMode; |
| |
| // Based on whether the image can be sampled, create a Surface to present each image |
| if (usageFlags & VK_IMAGE_USAGE_SAMPLED_BIT) { |
| GrBackendTexture backendTexture = GrBackendTextures::MakeVk(fWidth, fHeight, info); |
| fImages[i].fSurface = |
| SkSurfaces::WrapBackendTexture(fContext.get(), |
| backendTexture, |
| kTopLeft_GrSurfaceOrigin, |
| fDisplayParams->msaaSampleCount(), |
| colorType, |
| fDisplayParams->colorSpace(), |
| &fDisplayParams->surfaceProps()); |
| } else { |
| if (fDisplayParams->msaaSampleCount() > 1) { |
| return false; |
| } |
| info.fSampleCount = fSampleCount; |
| GrBackendRenderTarget backendRT = GrBackendRenderTargets::MakeVk(fWidth, fHeight, info); |
| fImages[i].fSurface = |
| SkSurfaces::WrapBackendRenderTarget(fContext.get(), |
| backendRT, |
| kTopLeft_GrSurfaceOrigin, |
| colorType, |
| fDisplayParams->colorSpace(), |
| &fDisplayParams->surfaceProps()); |
| } |
| |
| // If surface creation was unsuccessful, return false to indicate failure |
| if (!fImages[i].fSurface) { |
| // Clean up any previously-created semaphores before returning |
| this->resetSwapchainImages(); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| void VulkanWindowContext::submitToGpu() { |
| SkSurface* surface = fImages[fCurrentImageIndex].fSurface.get(); |
| |
| GrBackendSemaphore backendRenderSemaphore = |
| GrBackendSemaphores::MakeVk(fImages[fCurrentImageIndex].fRenderCompletionSemaphore); |
| |
| GrFlushInfo info; |
| info.fNumSemaphores = 1; |
| info.fSignalSemaphores = &backendRenderSemaphore; |
| skgpu::MutableTextureState presentState = skgpu::MutableTextureStates::MakeVulkan( |
| VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, fPresentQueueIndex); |
| auto dContext = surface->recordingContext()->asDirectContext(); |
| dContext->flush(surface, info, &presentState); |
| dContext->submit(); |
| } |
| |
| void VulkanWindowContext::resetSwapchainImages() { |
| if (fImages.empty()) { |
| return; |
| } |
| |
| // Clean up the image's semaphores |
| for (size_t i = 0; i < fImages.size(); i++) { |
| if (fImages[i].fRenderCompletionSemaphore != VK_NULL_HANDLE) { |
| GR_VK_CALL(fInterface, DestroySemaphore(fDevice, |
| fImages[i].fRenderCompletionSemaphore, |
| /*pAllocator=*/nullptr)); |
| } |
| } |
| |
| fImages.reset(); |
| } |
| |
| VulkanWindowContext::~VulkanWindowContext() { |
| this->destroyContext(); |
| } |
| |
| void VulkanWindowContext::destroyContext() { |
| if (this->isValid()) { |
| fQueueWaitIdle(fPresentQueue); |
| fDeviceWaitIdle(fDevice); |
| |
| this->resetSwapchainImages(); |
| |
| if (VK_NULL_HANDLE != fSwapchain) { |
| fDestroySwapchainKHR(fDevice, fSwapchain, nullptr); |
| fSwapchain = VK_NULL_HANDLE; |
| } |
| |
| if (VK_NULL_HANDLE != fDeviceSurface) { |
| fDestroySurfaceKHR(fInstance, fDeviceSurface, nullptr); |
| fDeviceSurface = VK_NULL_HANDLE; |
| } |
| } |
| |
| SkASSERT(fContext->unique()); |
| fContext.reset(); |
| fInterface.reset(); |
| |
| if (VK_NULL_HANDLE != fDevice) { |
| fDestroyDevice(fDevice, nullptr); |
| fDevice = VK_NULL_HANDLE; |
| } |
| |
| #ifdef SK_ENABLE_VK_LAYERS |
| if (fDebugMessenger != VK_NULL_HANDLE) { |
| fDestroyDebugUtilsMessengerEXT(fInstance, fDebugMessenger, nullptr); |
| } |
| #endif |
| |
| fPhysicalDevice = VK_NULL_HANDLE; |
| |
| if (VK_NULL_HANDLE != fInstance) { |
| fDestroyInstance(fInstance, nullptr); |
| fInstance = VK_NULL_HANDLE; |
| } |
| } |
| |
| sk_sp<SkSurface> VulkanWindowContext::getBackbufferSurface() { |
| // Create a new, unsignaled semaphore to be signaled upon swapchain image acquisition. |
| static const VkSemaphoreCreateInfo acquireSemInfo = |
| { VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO, /*pNext=*/nullptr, /*flags=*/0 }; |
| SkDEBUGCODE(VkResult result = )GR_VK_CALL( |
| fInterface, |
| CreateSemaphore(fDevice, &acquireSemInfo, /*pAllocator=*/nullptr, &fAcquireSemaphore)); |
| SkASSERT(result == VK_SUCCESS && fAcquireSemaphore != VK_NULL_HANDLE); |
| |
| // Acquire the next available presentable image's index. |
| VkResult res = fAcquireNextImageKHR(fDevice, |
| fSwapchain, |
| /*timeout=*/UINT64_MAX, |
| fAcquireSemaphore, |
| /*VkFence=*/VK_NULL_HANDLE, |
| &fCurrentImageIndex); |
| if (VK_ERROR_SURFACE_LOST_KHR == res) { |
| // TODO: Recreate fDeviceSurface using fCreateVkSurfaceFn, and then rebuild the swapchain |
| GR_VK_CALL(fInterface, |
| DestroySemaphore(fDevice, fAcquireSemaphore, /*pAllocator=*/nullptr)); |
| return nullptr; |
| } |
| if (VK_ERROR_OUT_OF_DATE_KHR == res) { |
| if (!this->createSwapchain(-1, -1)) { |
| GR_VK_CALL(fInterface, |
| DestroySemaphore(fDevice, fAcquireSemaphore, /*pAllocator=*/nullptr)); |
| return nullptr; |
| } |
| |
| res = fAcquireNextImageKHR(fDevice, |
| fSwapchain, |
| UINT64_MAX, |
| fAcquireSemaphore, |
| /*VkFence=*/VK_NULL_HANDLE, |
| &fCurrentImageIndex); |
| if (VK_SUCCESS != res) { |
| GR_VK_CALL(fInterface, |
| DestroySemaphore(fDevice, fAcquireSemaphore, /*pAllocator=*/nullptr)); |
| return nullptr; |
| } |
| } |
| |
| // Set up the SkSurface associated with the current backbuffer's image and return it. |
| SkSurface* surface = fImages[fCurrentImageIndex].fSurface.get(); |
| GrBackendSemaphore beSemaphore = GrBackendSemaphores::MakeVk(fAcquireSemaphore); |
| surface->wait(/*numSemaphores=*/1, &beSemaphore); |
| |
| return sk_ref_sp(surface); |
| } |
| |
| void VulkanWindowContext::onSwapBuffers() { |
| // Submit the GPU work associated with the current backbuffer |
| this->submitToGpu(); |
| |
| // Submit present operation to present queue |
| auto renderCompletionSemaphore = &fImages[fCurrentImageIndex].fRenderCompletionSemaphore; |
| const VkPresentInfoKHR presentInfo = {VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, // sType |
| nullptr, // pNext |
| 1, // waitSemaphoreCount |
| renderCompletionSemaphore, // pWaitSemaphores |
| 1, // swapchainCount |
| &fSwapchain, // pSwapchains |
| &fCurrentImageIndex, // pImageIndices |
| nullptr}; // pResults |
| fQueuePresentKHR(fPresentQueue, &presentInfo); |
| } |
| |
| } // namespace skwindow::internal |
