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Unified Diff: tools/vulkan/VulkanTestContext.cpp

Issue 1945103003: Rename VulkanViewer to Viewer, take 2. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Fix android path Created 4 years, 7 months ago
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Index: tools/vulkan/VulkanTestContext.cpp
diff --git a/tools/vulkan/VulkanTestContext.cpp b/tools/vulkan/VulkanTestContext.cpp
deleted file mode 100644
index e9137c0ee32a9fa05c630e5da9a6535530d05f54..0000000000000000000000000000000000000000
--- a/tools/vulkan/VulkanTestContext.cpp
+++ /dev/null
@@ -1,568 +0,0 @@
-
-/*
- * 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 "GrContext.h"
-#include "SkSurface.h"
-#include "VulkanTestContext.h"
-
-#include "vk/GrVkInterface.h"
-#include "vk/GrVkUtil.h"
-#include "vk/GrVkTypes.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) vkGetInstanceProcAddr(instance, "vk" #F)
-#define GET_DEV_PROC(F) f ## F = (PFN_vk ## F) vkGetDeviceProcAddr(device, "vk" #F)
-
-VulkanTestContext::VulkanTestContext(void* platformData, int msaaSampleCount)
- : fSurface(VK_NULL_HANDLE)
- , fSwapchain(VK_NULL_HANDLE)
- , fCommandPool(VK_NULL_HANDLE)
- , fBackbuffers(nullptr) {
-
- // any config code here (particularly for msaa)?
-
- this->initializeContext(platformData);
-}
-
-void VulkanTestContext::initializeContext(void* platformData) {
-
- fBackendContext.reset(GrVkBackendContext::Create(&fPresentQueueIndex, canPresent));
- if (!(fBackendContext->fExtensions & kKHR_surface_GrVkExtensionFlag) ||
- !(fBackendContext->fExtensions & kKHR_swapchain_GrVkExtensionFlag)) {
- fBackendContext.reset(nullptr);
- return;
- }
-
- VkInstance instance = fBackendContext->fInstance;
- VkDevice device = fBackendContext->fDevice;
- GET_PROC(DestroySurfaceKHR);
- GET_PROC(GetPhysicalDeviceSurfaceSupportKHR);
- GET_PROC(GetPhysicalDeviceSurfaceCapabilitiesKHR);
- GET_PROC(GetPhysicalDeviceSurfaceFormatsKHR);
- GET_PROC(GetPhysicalDeviceSurfacePresentModesKHR);
- GET_DEV_PROC(CreateSwapchainKHR);
- GET_DEV_PROC(DestroySwapchainKHR);
- GET_DEV_PROC(GetSwapchainImagesKHR);
- GET_DEV_PROC(AcquireNextImageKHR);
- GET_DEV_PROC(QueuePresentKHR);
-
- fContext = GrContext::Create(kVulkan_GrBackend, (GrBackendContext)fBackendContext.get());
-
- fSurface = createVkSurface(instance, platformData);
- if (VK_NULL_HANDLE == fSurface) {
- fBackendContext.reset(nullptr);
- return;
- }
-
- VkBool32 supported;
- VkResult res = fGetPhysicalDeviceSurfaceSupportKHR(fBackendContext->fPhysicalDevice,
- fPresentQueueIndex, fSurface,
- &supported);
- if (VK_SUCCESS != res) {
- this->destroyContext();
- return;
- }
-
- if (!this->createSwapchain(-1, -1)) {
- this->destroyContext();
- return;
- }
-
- // create presentQueue
- vkGetDeviceQueue(fBackendContext->fDevice, fPresentQueueIndex, 0, &fPresentQueue);
-}
-
-bool VulkanTestContext::createSwapchain(uint32_t width, uint32_t height)
-{
- // check for capabilities
- VkSurfaceCapabilitiesKHR caps;
- VkResult res = fGetPhysicalDeviceSurfaceCapabilitiesKHR(fBackendContext->fPhysicalDevice,
- fSurface, &caps);
- if (VK_SUCCESS != res) {
- return false;
- }
-
- uint32_t surfaceFormatCount;
- res = fGetPhysicalDeviceSurfaceFormatsKHR(fBackendContext->fPhysicalDevice, fSurface,
- &surfaceFormatCount, nullptr);
- if (VK_SUCCESS != res) {
- return false;
- }
-
- SkAutoMalloc surfaceFormatAlloc(surfaceFormatCount * sizeof(VkSurfaceFormatKHR));
- VkSurfaceFormatKHR* surfaceFormats = (VkSurfaceFormatKHR*)surfaceFormatAlloc.get();
- res = fGetPhysicalDeviceSurfaceFormatsKHR(fBackendContext->fPhysicalDevice, fSurface,
- &surfaceFormatCount, surfaceFormats);
- if (VK_SUCCESS != res) {
- return false;
- }
-
- uint32_t presentModeCount;
- res = fGetPhysicalDeviceSurfacePresentModesKHR(fBackendContext->fPhysicalDevice, fSurface,
- &presentModeCount, nullptr);
- if (VK_SUCCESS != res) {
- return false;
- }
-
- SkAutoMalloc presentModeAlloc(presentModeCount * sizeof(VkPresentModeKHR));
- VkPresentModeKHR* presentModes = (VkPresentModeKHR*)presentModeAlloc.get();
- res = fGetPhysicalDeviceSurfacePresentModesKHR(fBackendContext->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);
- 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 -- for now, the first one
- VkFormat surfaceFormat = surfaceFormats[0].format;
- VkColorSpaceKHR colorSpace = surfaceFormats[0].colorSpace;
-
- // 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;
- for (uint32_t i = 0; i < presentModeCount; ++i) {
- // use mailbox
- if (VK_PRESENT_MODE_MAILBOX_KHR == presentModes[i]) {
- mode = presentModes[i];
- break;
- }
- }
-
- 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[] = { fBackendContext->fGraphicsQueueIndex, fPresentQueueIndex };
- if (fBackendContext->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 = caps.currentTransform;;
- swapchainCreateInfo.compositeAlpha = composite_alpha;
- swapchainCreateInfo.presentMode = mode;
- swapchainCreateInfo.clipped = true;
- swapchainCreateInfo.oldSwapchain = fSwapchain;
-
- res = fCreateSwapchainKHR(fBackendContext->fDevice, &swapchainCreateInfo, nullptr, &fSwapchain);
- if (VK_SUCCESS != res) {
- return false;
- }
-
- // destroy the old swapchain
- if (swapchainCreateInfo.oldSwapchain != VK_NULL_HANDLE) {
- GR_VK_CALL(fBackendContext->fInterface, DeviceWaitIdle(fBackendContext->fDevice));
-
- this->destroyBuffers();
-
- fDestroySwapchainKHR(fBackendContext->fDevice, swapchainCreateInfo.oldSwapchain, nullptr);
- }
-
- this->createBuffers(swapchainCreateInfo.imageFormat);
-
- return true;
-}
-
-void VulkanTestContext::createBuffers(VkFormat format) {
- GrVkFormatToPixelConfig(format, &fPixelConfig);
-
- fGetSwapchainImagesKHR(fBackendContext->fDevice, fSwapchain, &fImageCount, nullptr);
- SkASSERT(fImageCount);
- fImages = new VkImage[fImageCount];
- fGetSwapchainImagesKHR(fBackendContext->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;
-
- GrBackendRenderTargetDesc desc;
- GrVkTextureInfo info;
- info.fImage = fImages[i];
- info.fAlloc = VK_NULL_HANDLE;
- info.fImageLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
- info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
- info.fFormat = format;
- desc.fWidth = fWidth;
- desc.fHeight = fHeight;
- desc.fConfig = fPixelConfig;
- desc.fOrigin = kTopLeft_GrSurfaceOrigin;
- desc.fSampleCnt = 0;
- desc.fStencilBits = 0;
- desc.fRenderTargetHandle = (GrBackendObject) &info;
- SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
- fSurfaces[i] = SkSurface::MakeFromBackendRenderTarget(fContext, desc, &props);
- }
-
- // create the command pool for the command buffers
- if (VK_NULL_HANDLE == fCommandPool) {
- VkCommandPoolCreateInfo commandPoolInfo;
- memset(&commandPoolInfo, 0, sizeof(VkCommandPoolCreateInfo));
- commandPoolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
- // this needs to be on the render queue
- commandPoolInfo.queueFamilyIndex = fBackendContext->fGraphicsQueueIndex;
- commandPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- CreateCommandPool(fBackendContext->fDevice, &commandPoolInfo,
- nullptr, &fCommandPool));
- }
-
- // 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;
- VkCommandBufferAllocateInfo commandBuffersInfo;
- memset(&commandBuffersInfo, 0, sizeof(VkCommandBufferAllocateInfo));
- commandBuffersInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
- commandBuffersInfo.pNext = nullptr;
- commandBuffersInfo.commandPool = fCommandPool;
- commandBuffersInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
- commandBuffersInfo.commandBufferCount = 2;
- VkFenceCreateInfo fenceInfo;
- memset(&fenceInfo, 0, sizeof(VkFenceCreateInfo));
- fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
- fenceInfo.pNext = nullptr;
- fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
-
- // 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;
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- CreateSemaphore(fBackendContext->fDevice, &semaphoreInfo,
- nullptr, &fBackbuffers[i].fAcquireSemaphore));
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- CreateSemaphore(fBackendContext->fDevice, &semaphoreInfo,
- nullptr, &fBackbuffers[i].fRenderSemaphore));
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- AllocateCommandBuffers(fBackendContext->fDevice, &commandBuffersInfo,
- fBackbuffers[i].fTransitionCmdBuffers));
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- CreateFence(fBackendContext->fDevice, &fenceInfo, nullptr,
- &fBackbuffers[i].fUsageFences[0]));
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- CreateFence(fBackendContext->fDevice, &fenceInfo, nullptr,
- &fBackbuffers[i].fUsageFences[1]));
- }
- fCurrentBackbufferIndex = fImageCount;
-}
-
-void VulkanTestContext::destroyBuffers() {
-
- if (fBackbuffers) {
- for (uint32_t i = 0; i < fImageCount + 1; ++i) {
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- WaitForFences(fBackendContext->fDevice, 2,
- fBackbuffers[i].fUsageFences,
- true, UINT64_MAX));
- fBackbuffers[i].fImageIndex = -1;
- GR_VK_CALL(fBackendContext->fInterface,
- DestroySemaphore(fBackendContext->fDevice,
- fBackbuffers[i].fAcquireSemaphore,
- nullptr));
- GR_VK_CALL(fBackendContext->fInterface,
- DestroySemaphore(fBackendContext->fDevice,
- fBackbuffers[i].fRenderSemaphore,
- nullptr));
- GR_VK_CALL(fBackendContext->fInterface,
- FreeCommandBuffers(fBackendContext->fDevice, fCommandPool, 2,
- fBackbuffers[i].fTransitionCmdBuffers));
- GR_VK_CALL(fBackendContext->fInterface,
- DestroyFence(fBackendContext->fDevice, fBackbuffers[i].fUsageFences[0], 0));
- GR_VK_CALL(fBackendContext->fInterface,
- DestroyFence(fBackendContext->fDevice, fBackbuffers[i].fUsageFences[1], 0));
- }
- }
-
- delete[] fBackbuffers;
- fBackbuffers = nullptr;
-
- delete[] fSurfaces;
- fSurfaces = nullptr;
- delete[] fImageLayouts;
- fImageLayouts = nullptr;
- delete[] fImages;
- fImages = nullptr;
-}
-
-VulkanTestContext::~VulkanTestContext() {
- this->destroyContext();
-}
-
-void VulkanTestContext::destroyContext() {
- if (!fBackendContext.get()) {
- return;
- }
-
- GR_VK_CALL(fBackendContext->fInterface, DeviceWaitIdle(fBackendContext->fDevice));
-
- this->destroyBuffers();
-
- if (VK_NULL_HANDLE != fCommandPool) {
- GR_VK_CALL(fBackendContext->fInterface, DestroyCommandPool(fBackendContext->fDevice,
- fCommandPool, nullptr));
- fCommandPool = VK_NULL_HANDLE;
- }
-
- if (VK_NULL_HANDLE != fSwapchain) {
- fDestroySwapchainKHR(fBackendContext->fDevice, fSwapchain, nullptr);
- fSwapchain = VK_NULL_HANDLE;
- }
-
- if (VK_NULL_HANDLE != fSurface) {
- fDestroySurfaceKHR(fBackendContext->fInstance, fSurface, nullptr);
- fSurface = VK_NULL_HANDLE;
- }
-
- delete fContext;
-
- fBackendContext.reset(nullptr);
-}
-
-VulkanTestContext::BackbufferInfo* VulkanTestContext::getAvailableBackbuffer() {
- SkASSERT(fBackbuffers);
-
- ++fCurrentBackbufferIndex;
- if (fCurrentBackbufferIndex > fImageCount) {
- fCurrentBackbufferIndex = 0;
- }
-
- BackbufferInfo* backbuffer = fBackbuffers + fCurrentBackbufferIndex;
-
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- WaitForFences(fBackendContext->fDevice, 2, backbuffer->fUsageFences,
- true, UINT64_MAX));
- return backbuffer;
-}
-
-SkSurface* VulkanTestContext::getBackbufferSurface() {
- BackbufferInfo* backbuffer = this->getAvailableBackbuffer();
- SkASSERT(backbuffer);
-
- // reset the fence
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- ResetFences(fBackendContext->fDevice, 2, backbuffer->fUsageFences));
- // semaphores should be in unsignaled state
-
- // acquire the image
- VkResult res = fAcquireNextImageKHR(fBackendContext->fDevice, fSwapchain, UINT64_MAX,
- backbuffer->fAcquireSemaphore, 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
- return nullptr;
- }
- if (VK_ERROR_OUT_OF_DATE_KHR == res) {
- // tear swapchain down and try again
- if (!this->createSwapchain(0, 0)) {
- return nullptr;
- }
-
- // acquire the image
- res = fAcquireNextImageKHR(fBackendContext->fDevice, fSwapchain, UINT64_MAX,
- backbuffer->fAcquireSemaphore, VK_NULL_HANDLE,
- &backbuffer->fImageIndex);
-
- if (VK_SUCCESS != res) {
- return nullptr;
- }
- }
-
- // set up layout transfer from initial to color attachment
- VkImageLayout layout = fImageLayouts[backbuffer->fImageIndex];
- VkPipelineStageFlags srcStageMask = (VK_IMAGE_LAYOUT_UNDEFINED == layout) ?
- VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT :
- VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
- VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
- VkAccessFlags srcAccessMask = (VK_IMAGE_LAYOUT_UNDEFINED == layout) ?
- 0 : VK_ACCESS_MEMORY_READ_BIT;
- VkAccessFlags dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
-
- VkImageMemoryBarrier imageMemoryBarrier = {
- VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // sType
- NULL, // pNext
- srcAccessMask, // outputMask
- dstAccessMask, // inputMask
- layout, // oldLayout
- VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // newLayout
- fPresentQueueIndex, // srcQueueFamilyIndex
- fBackendContext->fGraphicsQueueIndex, // dstQueueFamilyIndex
- fImages[backbuffer->fImageIndex], // image
- { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 } // subresourceRange
- };
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- ResetCommandBuffer(backbuffer->fTransitionCmdBuffers[0], 0));
- VkCommandBufferBeginInfo info;
- memset(&info, 0, sizeof(VkCommandBufferBeginInfo));
- info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
- info.flags = 0;
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- BeginCommandBuffer(backbuffer->fTransitionCmdBuffers[0], &info));
-
- GR_VK_CALL(fBackendContext->fInterface,
- CmdPipelineBarrier(backbuffer->fTransitionCmdBuffers[0],
- srcStageMask, dstStageMask, 0,
- 0, nullptr,
- 0, nullptr,
- 1, &imageMemoryBarrier));
-
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- EndCommandBuffer(backbuffer->fTransitionCmdBuffers[0]));
-
- VkPipelineStageFlags waitDstStageFlags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
- // insert the layout transfer into the queue and wait on the acquire
- VkSubmitInfo submitInfo;
- memset(&submitInfo, 0, sizeof(VkSubmitInfo));
- submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
- submitInfo.waitSemaphoreCount = 1;
- submitInfo.pWaitSemaphores = &backbuffer->fAcquireSemaphore;
- submitInfo.pWaitDstStageMask = &waitDstStageFlags;
- submitInfo.commandBufferCount = 1;
- submitInfo.pCommandBuffers = &backbuffer->fTransitionCmdBuffers[0];
- submitInfo.signalSemaphoreCount = 0;
-
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- QueueSubmit(fBackendContext->fQueue, 1, &submitInfo,
- backbuffer->fUsageFences[0]));
-
- return fSurfaces[backbuffer->fImageIndex].get();
-}
-
-
-void VulkanTestContext::swapBuffers() {
-
- BackbufferInfo* backbuffer = fBackbuffers + fCurrentBackbufferIndex;
-
- VkImageLayout layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
- VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
- VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
- VkAccessFlags srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
- VkAccessFlags dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
-
- VkImageMemoryBarrier imageMemoryBarrier = {
- VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // sType
- NULL, // pNext
- srcAccessMask, // outputMask
- dstAccessMask, // inputMask
- layout, // oldLayout
- VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // newLayout
- fBackendContext->fGraphicsQueueIndex, // srcQueueFamilyIndex
- fPresentQueueIndex, // dstQueueFamilyIndex
- fImages[backbuffer->fImageIndex], // image
- { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 } // subresourceRange
- };
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- ResetCommandBuffer(backbuffer->fTransitionCmdBuffers[1], 0));
- VkCommandBufferBeginInfo info;
- memset(&info, 0, sizeof(VkCommandBufferBeginInfo));
- info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
- info.flags = 0;
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- BeginCommandBuffer(backbuffer->fTransitionCmdBuffers[1], &info));
- GR_VK_CALL(fBackendContext->fInterface,
- CmdPipelineBarrier(backbuffer->fTransitionCmdBuffers[1],
- srcStageMask, dstStageMask, 0,
- 0, nullptr,
- 0, nullptr,
- 1, &imageMemoryBarrier));
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- EndCommandBuffer(backbuffer->fTransitionCmdBuffers[1]));
-
- fImageLayouts[backbuffer->fImageIndex] = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
-
- // insert the layout transfer into the queue and wait on the acquire
- VkSubmitInfo submitInfo;
- memset(&submitInfo, 0, sizeof(VkSubmitInfo));
- submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
- submitInfo.waitSemaphoreCount = 0;
- submitInfo.pWaitDstStageMask = 0;
- submitInfo.commandBufferCount = 1;
- submitInfo.pCommandBuffers = &backbuffer->fTransitionCmdBuffers[1];
- submitInfo.signalSemaphoreCount = 1;
- submitInfo.pSignalSemaphores = &backbuffer->fRenderSemaphore;
-
- GR_VK_CALL_ERRCHECK(fBackendContext->fInterface,
- QueueSubmit(fBackendContext->fQueue, 1, &submitInfo,
- backbuffer->fUsageFences[1]));
-
- // Submit present operation to present queue
- const VkPresentInfoKHR presentInfo =
- {
- VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, // sType
- NULL, // pNext
- 1, // waitSemaphoreCount
- &backbuffer->fRenderSemaphore, // pWaitSemaphores
- 1, // swapchainCount
- &fSwapchain, // pSwapchains
- &backbuffer->fImageIndex, // pImageIndices
- NULL // pResults
- };
-
- fQueuePresentKHR(fPresentQueue, &presentInfo);
-
-}
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