| |
| /* |
| * 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 "tools/sk_app/VulkanWindowContext.h" |
| |
| #include "include/core/SkSurface.h" |
| #include "include/gpu/GrBackendSemaphore.h" |
| #include "include/gpu/GrBackendSurface.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "src/core/SkAutoMalloc.h" |
| |
| #include "include/gpu/vk/GrVkExtensions.h" |
| #include "include/gpu/vk/GrVkTypes.h" |
| #include "src/gpu/vk/GrVkImage.h" |
| #include "src/gpu/vk/GrVkUtil.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) fGetInstanceProcAddr(fInstance, "vk" #F) |
| #define GET_DEV_PROC(F) f ## F = (PFN_vk ## F) fGetDeviceProcAddr(fDevice, "vk" #F) |
| |
| namespace sk_app { |
| |
| VulkanWindowContext::VulkanWindowContext(const DisplayParams& params, |
| CreateVkSurfaceFn createVkSurface, |
| CanPresentFn canPresent, |
| PFN_vkGetInstanceProcAddr instProc, |
| PFN_vkGetDeviceProcAddr devProc) |
| : WindowContext(params) |
| , fCreateVkSurfaceFn(createVkSurface) |
| , fCanPresentFn(canPresent) |
| , fSurface(VK_NULL_HANDLE) |
| , fSwapchain(VK_NULL_HANDLE) |
| , fImages(nullptr) |
| , fImageLayouts(nullptr) |
| , fSurfaces(nullptr) |
| , fBackbuffers(nullptr) { |
| fGetInstanceProcAddr = instProc; |
| fGetDeviceProcAddr = devProc; |
| this->initializeContext(); |
| } |
| |
| void VulkanWindowContext::initializeContext() { |
| SkASSERT(!fContext); |
| // any config code here (particularly for msaa)? |
| |
| PFN_vkGetInstanceProcAddr getInstanceProc = fGetInstanceProcAddr; |
| PFN_vkGetDeviceProcAddr getDeviceProc = fGetDeviceProcAddr; |
| auto getProc = [getInstanceProc, getDeviceProc](const char* proc_name, |
| VkInstance instance, VkDevice device) { |
| if (device != VK_NULL_HANDLE) { |
| return getDeviceProc(device, proc_name); |
| } |
| return getInstanceProc(instance, proc_name); |
| }; |
| GrVkBackendContext backendContext; |
| GrVkExtensions extensions; |
| VkPhysicalDeviceFeatures2 features; |
| if (!sk_gpu_test::CreateVkBackendContext(getProc, &backendContext, &extensions, &features, |
| &fDebugCallback, &fPresentQueueIndex, fCanPresentFn)) { |
| sk_gpu_test::FreeVulkanFeaturesStructs(&features); |
| return; |
| } |
| |
| if (!extensions.hasExtension(VK_KHR_SURFACE_EXTENSION_NAME, 25) || |
| !extensions.hasExtension(VK_KHR_SWAPCHAIN_EXTENSION_NAME, 68)) { |
| sk_gpu_test::FreeVulkanFeaturesStructs(&features); |
| 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) { |
| sk_gpu_test::FreeVulkanFeaturesStructs(&features); |
| return; |
| } |
| VkPhysicalDeviceProperties physDeviceProperties; |
| localGetPhysicalDeviceProperties(backendContext.fPhysicalDevice, &physDeviceProperties); |
| uint32_t physDevVersion = physDeviceProperties.apiVersion; |
| |
| fInterface.reset(new GrVkInterface(backendContext.fGetProc, fInstance, fDevice, |
| backendContext.fInstanceVersion, physDevVersion, |
| &extensions)); |
| |
| GET_PROC(DestroyInstance); |
| if (fDebugCallback != VK_NULL_HANDLE) { |
| GET_PROC(DestroyDebugReportCallbackEXT); |
| } |
| 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); |
| |
| fContext = GrDirectContext::MakeVulkan(backendContext, fDisplayParams.fGrContextOptions); |
| |
| fSurface = fCreateVkSurfaceFn(fInstance); |
| if (VK_NULL_HANDLE == fSurface) { |
| this->destroyContext(); |
| sk_gpu_test::FreeVulkanFeaturesStructs(&features); |
| return; |
| } |
| |
| VkBool32 supported; |
| VkResult res = fGetPhysicalDeviceSurfaceSupportKHR(fPhysicalDevice, fPresentQueueIndex, |
| fSurface, &supported); |
| if (VK_SUCCESS != res) { |
| this->destroyContext(); |
| sk_gpu_test::FreeVulkanFeaturesStructs(&features); |
| return; |
| } |
| |
| if (!this->createSwapchain(-1, -1, fDisplayParams)) { |
| this->destroyContext(); |
| sk_gpu_test::FreeVulkanFeaturesStructs(&features); |
| return; |
| } |
| |
| // create presentQueue |
| fGetDeviceQueue(fDevice, fPresentQueueIndex, 0, &fPresentQueue); |
| sk_gpu_test::FreeVulkanFeaturesStructs(&features); |
| } |
| |
| bool VulkanWindowContext::createSwapchain(int width, int height, |
| const DisplayParams& params) { |
| // check for capabilities |
| VkSurfaceCapabilitiesKHR caps; |
| VkResult res = fGetPhysicalDeviceSurfaceCapabilitiesKHR(fPhysicalDevice, fSurface, &caps); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| uint32_t surfaceFormatCount; |
| res = fGetPhysicalDeviceSurfaceFormatsKHR(fPhysicalDevice, fSurface, &surfaceFormatCount, |
| nullptr); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| SkAutoMalloc surfaceFormatAlloc(surfaceFormatCount * sizeof(VkSurfaceFormatKHR)); |
| VkSurfaceFormatKHR* surfaceFormats = (VkSurfaceFormatKHR*)surfaceFormatAlloc.get(); |
| res = fGetPhysicalDeviceSurfaceFormatsKHR(fPhysicalDevice, fSurface, &surfaceFormatCount, |
| surfaceFormats); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| uint32_t presentModeCount; |
| res = fGetPhysicalDeviceSurfacePresentModesKHR(fPhysicalDevice, fSurface, &presentModeCount, |
| nullptr); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| SkAutoMalloc presentModeAlloc(presentModeCount * sizeof(VkPresentModeKHR)); |
| VkPresentModeKHR* presentModes = (VkPresentModeKHR*)presentModeAlloc.get(); |
| res = fGetPhysicalDeviceSurfacePresentModesKHR(fPhysicalDevice, fSurface, &presentModeCount, |
| presentModes); |
| if (VK_SUCCESS != res) { |
| return false; |
| } |
| |
| VkExtent2D extent = caps.currentExtent; |
| // use the hints |
| if (extent.width == (uint32_t)-1) { |
| extent.width = width; |
| extent.height = height; |
| } |
| |
| // clamp width; to protect us 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; |
| } |
| // clamp height |
| 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; |
| } |
| } |
| fDisplayParams = params; |
| fSampleCount = std::max(1, params.fMSAASampleCount); |
| 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 (params.fDisableVsync && hasImmediate) { |
| mode = VK_PRESENT_MODE_IMMEDIATE_KHR; |
| } |
| |
| VkSwapchainCreateInfoKHR swapchainCreateInfo; |
| memset(&swapchainCreateInfo, 0, sizeof(VkSwapchainCreateInfoKHR)); |
| swapchainCreateInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR; |
| swapchainCreateInfo.surface = fSurface; |
| 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->destroyBuffers(); |
| |
| fDestroySwapchainKHR(fDevice, swapchainCreateInfo.oldSwapchain, nullptr); |
| } |
| |
| if (!this->createBuffers(swapchainCreateInfo.imageFormat, usageFlags, colorType, |
| swapchainCreateInfo.imageSharingMode)) { |
| fDeviceWaitIdle(fDevice); |
| |
| this->destroyBuffers(); |
| |
| fDestroySwapchainKHR(fDevice, swapchainCreateInfo.oldSwapchain, nullptr); |
| } |
| |
| return true; |
| } |
| |
| bool VulkanWindowContext::createBuffers(VkFormat format, VkImageUsageFlags usageFlags, |
| SkColorType colorType, |
| VkSharingMode sharingMode) { |
| fGetSwapchainImagesKHR(fDevice, fSwapchain, &fImageCount, nullptr); |
| SkASSERT(fImageCount); |
| fImages = new VkImage[fImageCount]; |
| fGetSwapchainImagesKHR(fDevice, fSwapchain, &fImageCount, fImages); |
| |
| // set up initial image layouts and create surfaces |
| fImageLayouts = new VkImageLayout[fImageCount]; |
| fSurfaces = new sk_sp<SkSurface>[fImageCount]; |
| for (uint32_t i = 0; i < fImageCount; ++i) { |
| fImageLayouts[i] = VK_IMAGE_LAYOUT_UNDEFINED; |
| |
| GrVkImageInfo info; |
| info.fImage = fImages[i]; |
| info.fAlloc = GrVkAlloc(); |
| info.fImageLayout = VK_IMAGE_LAYOUT_UNDEFINED; |
| info.fImageTiling = VK_IMAGE_TILING_OPTIMAL; |
| info.fFormat = format; |
| info.fImageUsageFlags = usageFlags; |
| info.fLevelCount = 1; |
| info.fCurrentQueueFamily = fPresentQueueIndex; |
| info.fSharingMode = sharingMode; |
| |
| if (usageFlags & VK_IMAGE_USAGE_SAMPLED_BIT) { |
| GrBackendTexture backendTexture(fWidth, fHeight, info); |
| fSurfaces[i] = SkSurface::MakeFromBackendTexture( |
| fContext.get(), backendTexture, kTopLeft_GrSurfaceOrigin, |
| fDisplayParams.fMSAASampleCount, |
| colorType, fDisplayParams.fColorSpace, &fDisplayParams.fSurfaceProps); |
| } else { |
| if (fDisplayParams.fMSAASampleCount > 1) { |
| return false; |
| } |
| GrBackendRenderTarget backendRT(fWidth, fHeight, fSampleCount, info); |
| fSurfaces[i] = SkSurface::MakeFromBackendRenderTarget( |
| fContext.get(), backendRT, kTopLeft_GrSurfaceOrigin, colorType, |
| fDisplayParams.fColorSpace, &fDisplayParams.fSurfaceProps); |
| |
| } |
| if (!fSurfaces[i]) { |
| return false; |
| } |
| } |
| |
| // set up the backbuffers |
| VkSemaphoreCreateInfo semaphoreInfo; |
| memset(&semaphoreInfo, 0, sizeof(VkSemaphoreCreateInfo)); |
| semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; |
| semaphoreInfo.pNext = nullptr; |
| semaphoreInfo.flags = 0; |
| |
| // we create one additional backbuffer structure here, because we want to |
| // give the command buffers they contain a chance to finish before we cycle back |
| fBackbuffers = new BackbufferInfo[fImageCount + 1]; |
| for (uint32_t i = 0; i < fImageCount + 1; ++i) { |
| fBackbuffers[i].fImageIndex = -1; |
| SkDEBUGCODE(VkResult result = )GR_VK_CALL(fInterface, |
| CreateSemaphore(fDevice, &semaphoreInfo, nullptr, |
| &fBackbuffers[i].fRenderSemaphore)); |
| SkASSERT(result == VK_SUCCESS); |
| } |
| fCurrentBackbufferIndex = fImageCount; |
| return true; |
| } |
| |
| void VulkanWindowContext::destroyBuffers() { |
| |
| if (fBackbuffers) { |
| for (uint32_t i = 0; i < fImageCount + 1; ++i) { |
| fBackbuffers[i].fImageIndex = -1; |
| GR_VK_CALL(fInterface, |
| DestroySemaphore(fDevice, |
| fBackbuffers[i].fRenderSemaphore, |
| nullptr)); |
| } |
| } |
| |
| delete[] fBackbuffers; |
| fBackbuffers = nullptr; |
| |
| // Does this actually free the surfaces? |
| delete[] fSurfaces; |
| fSurfaces = nullptr; |
| delete[] fImageLayouts; |
| fImageLayouts = nullptr; |
| delete[] fImages; |
| fImages = nullptr; |
| } |
| |
| VulkanWindowContext::~VulkanWindowContext() { |
| this->destroyContext(); |
| } |
| |
| void VulkanWindowContext::destroyContext() { |
| if (this->isValid()) { |
| fQueueWaitIdle(fPresentQueue); |
| fDeviceWaitIdle(fDevice); |
| |
| this->destroyBuffers(); |
| |
| if (VK_NULL_HANDLE != fSwapchain) { |
| fDestroySwapchainKHR(fDevice, fSwapchain, nullptr); |
| fSwapchain = VK_NULL_HANDLE; |
| } |
| |
| if (VK_NULL_HANDLE != fSurface) { |
| fDestroySurfaceKHR(fInstance, fSurface, nullptr); |
| fSurface = 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 (fDebugCallback != VK_NULL_HANDLE) { |
| fDestroyDebugReportCallbackEXT(fInstance, fDebugCallback, nullptr); |
| } |
| #endif |
| |
| fPhysicalDevice = VK_NULL_HANDLE; |
| |
| if (VK_NULL_HANDLE != fInstance) { |
| fDestroyInstance(fInstance, nullptr); |
| fInstance = VK_NULL_HANDLE; |
| } |
| } |
| |
| VulkanWindowContext::BackbufferInfo* VulkanWindowContext::getAvailableBackbuffer() { |
| SkASSERT(fBackbuffers); |
| |
| ++fCurrentBackbufferIndex; |
| if (fCurrentBackbufferIndex > fImageCount) { |
| fCurrentBackbufferIndex = 0; |
| } |
| |
| BackbufferInfo* backbuffer = fBackbuffers + fCurrentBackbufferIndex; |
| return backbuffer; |
| } |
| |
| sk_sp<SkSurface> VulkanWindowContext::getBackbufferSurface() { |
| BackbufferInfo* backbuffer = this->getAvailableBackbuffer(); |
| SkASSERT(backbuffer); |
| |
| // semaphores should be in unsignaled state |
| VkSemaphoreCreateInfo semaphoreInfo; |
| memset(&semaphoreInfo, 0, sizeof(VkSemaphoreCreateInfo)); |
| semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; |
| semaphoreInfo.pNext = nullptr; |
| semaphoreInfo.flags = 0; |
| VkSemaphore semaphore; |
| SkDEBUGCODE(VkResult result = )GR_VK_CALL(fInterface, CreateSemaphore(fDevice, &semaphoreInfo, |
| nullptr, &semaphore)); |
| SkASSERT(result == VK_SUCCESS); |
| |
| // acquire the image |
| VkResult res = fAcquireNextImageKHR(fDevice, fSwapchain, UINT64_MAX, |
| semaphore, VK_NULL_HANDLE, |
| &backbuffer->fImageIndex); |
| if (VK_ERROR_SURFACE_LOST_KHR == res) { |
| // need to figure out how to create a new vkSurface without the platformData* |
| // maybe use attach somehow? but need a Window |
| GR_VK_CALL(fInterface, DestroySemaphore(fDevice, semaphore, nullptr)); |
| return nullptr; |
| } |
| if (VK_ERROR_OUT_OF_DATE_KHR == res) { |
| // tear swapchain down and try again |
| if (!this->createSwapchain(-1, -1, fDisplayParams)) { |
| GR_VK_CALL(fInterface, DestroySemaphore(fDevice, semaphore, nullptr)); |
| return nullptr; |
| } |
| backbuffer = this->getAvailableBackbuffer(); |
| |
| // acquire the image |
| res = fAcquireNextImageKHR(fDevice, fSwapchain, UINT64_MAX, |
| semaphore, VK_NULL_HANDLE, |
| &backbuffer->fImageIndex); |
| |
| if (VK_SUCCESS != res) { |
| GR_VK_CALL(fInterface, DestroySemaphore(fDevice, semaphore, nullptr)); |
| return nullptr; |
| } |
| } |
| |
| SkSurface* surface = fSurfaces[backbuffer->fImageIndex].get(); |
| |
| GrBackendSemaphore beSemaphore; |
| beSemaphore.initVulkan(semaphore); |
| |
| surface->wait(1, &beSemaphore); |
| |
| return sk_ref_sp(surface); |
| } |
| |
| void VulkanWindowContext::swapBuffers() { |
| |
| BackbufferInfo* backbuffer = fBackbuffers + fCurrentBackbufferIndex; |
| SkSurface* surface = fSurfaces[backbuffer->fImageIndex].get(); |
| |
| GrBackendSemaphore beSemaphore; |
| beSemaphore.initVulkan(backbuffer->fRenderSemaphore); |
| |
| GrFlushInfo info; |
| info.fNumSemaphores = 1; |
| info.fSignalSemaphores = &beSemaphore; |
| GrBackendSurfaceMutableState presentState(VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, fPresentQueueIndex); |
| surface->flush(info, &presentState); |
| surface->recordingContext()->asDirectContext()->submit(); |
| |
| // Submit present operation to present queue |
| const VkPresentInfoKHR presentInfo = |
| { |
| VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, // sType |
| nullptr, // pNext |
| 1, // waitSemaphoreCount |
| &backbuffer->fRenderSemaphore, // pWaitSemaphores |
| 1, // swapchainCount |
| &fSwapchain, // pSwapchains |
| &backbuffer->fImageIndex, // pImageIndices |
| nullptr // pResults |
| }; |
| |
| fQueuePresentKHR(fPresentQueue, &presentInfo); |
| } |
| |
| } //namespace sk_app |
