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Fix swapchain semaphore handling

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Johannes Schneider 2024-06-21 17:17:21 +02:00
parent 7942b79828
commit 452bf872f7
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1 changed files with 48 additions and 30 deletions
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76
src/VulkanSample.cpp
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@ -89,8 +89,11 @@ static VkCommandBuffer g_MainCommandBuffers[COMMAND_BUFFER_COUNT];
static VkFence g_MainCommandBufferExecutedFances[COMMAND_BUFFER_COUNT]; static VkFence g_MainCommandBufferExecutedFances[COMMAND_BUFFER_COUNT];
VkFence g_ImmediateFence; VkFence g_ImmediateFence;
static uint32_t g_NextCommandBufferIndex; static uint32_t g_NextCommandBufferIndex;
static VkSemaphore g_hImageAvailableSemaphore; // Notice we need as many semaphores as there are swapchain images
static VkSemaphore g_hRenderFinishedSemaphore; static std::vector<VkSemaphore> g_hImageAvailableSemaphores;
static std::vector<VkSemaphore> g_hRenderFinishedSemaphores;
static uint32_t g_SwapchainImageCount = 0;
static uint32_t g_SwapchainImageIndex = 0;
static uint32_t g_GraphicsQueueFamilyIndex = UINT_MAX; static uint32_t g_GraphicsQueueFamilyIndex = UINT_MAX;
static uint32_t g_PresentQueueFamilyIndex = UINT_MAX; static uint32_t g_PresentQueueFamilyIndex = UINT_MAX;
static uint32_t g_SparseBindingQueueFamilyIndex = UINT_MAX; static uint32_t g_SparseBindingQueueFamilyIndex = UINT_MAX;
@ -937,16 +940,16 @@ static void CreateSwapchain()
VkPresentModeKHR presentMode = ChooseSwapPresentMode(); VkPresentModeKHR presentMode = ChooseSwapPresentMode();
g_Extent = ChooseSwapExtent(); g_Extent = ChooseSwapExtent();
uint32_t imageCount = g_SurfaceCapabilities.minImageCount + 1; g_SwapchainImageCount = g_SurfaceCapabilities.minImageCount + 1;
if((g_SurfaceCapabilities.maxImageCount > 0) && if((g_SurfaceCapabilities.maxImageCount > 0) &&
(imageCount > g_SurfaceCapabilities.maxImageCount)) (g_SwapchainImageCount > g_SurfaceCapabilities.maxImageCount))
{ {
imageCount = g_SurfaceCapabilities.maxImageCount; g_SwapchainImageCount = g_SurfaceCapabilities.maxImageCount;
} }
VkSwapchainCreateInfoKHR swapChainInfo = { VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR }; VkSwapchainCreateInfoKHR swapChainInfo = { VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR };
swapChainInfo.surface = g_hSurface; swapChainInfo.surface = g_hSurface;
swapChainInfo.minImageCount = imageCount; swapChainInfo.minImageCount = g_SwapchainImageCount;
swapChainInfo.imageFormat = g_SurfaceFormat.format; swapChainInfo.imageFormat = g_SurfaceFormat.format;
swapChainInfo.imageColorSpace = g_SurfaceFormat.colorSpace; swapChainInfo.imageColorSpace = g_SurfaceFormat.colorSpace;
swapChainInfo.imageExtent = g_Extent; swapChainInfo.imageExtent = g_Extent;
@ -1300,35 +1303,45 @@ static void CreateSwapchain()
ERR_GUARD_VULKAN( vkCreateFramebuffer(g_hDevice, &framebufferInfo, g_Allocs, &g_Framebuffers[i]) ); ERR_GUARD_VULKAN( vkCreateFramebuffer(g_hDevice, &framebufferInfo, g_Allocs, &g_Framebuffers[i]) );
} }
// Create semaphores // Destroy the old semaphores and create new ones
if(g_hImageAvailableSemaphore != VK_NULL_HANDLE) if (g_hImageAvailableSemaphores.size() < g_SwapchainImageCount) {
{ g_hImageAvailableSemaphores.resize(g_SwapchainImageCount);
vkDestroySemaphore(g_hDevice, g_hImageAvailableSemaphore, g_Allocs);
g_hImageAvailableSemaphore = VK_NULL_HANDLE;
} }
if(g_hRenderFinishedSemaphore != VK_NULL_HANDLE) if (g_hRenderFinishedSemaphores.size() < g_SwapchainImageCount) {
{ g_hRenderFinishedSemaphores.resize(g_SwapchainImageCount);
vkDestroySemaphore(g_hDevice, g_hRenderFinishedSemaphore, g_Allocs);
g_hRenderFinishedSemaphore = VK_NULL_HANDLE;
} }
VkSemaphoreCreateInfo semaphoreInfo = { VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO }; VkSemaphoreCreateInfo semaphoreInfo = { VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO };
ERR_GUARD_VULKAN( vkCreateSemaphore(g_hDevice, &semaphoreInfo, g_Allocs, &g_hImageAvailableSemaphore) );
ERR_GUARD_VULKAN( vkCreateSemaphore(g_hDevice, &semaphoreInfo, g_Allocs, &g_hRenderFinishedSemaphore) ); for (std::size_t swapchain_img_index = 0; swapchain_img_index < g_SwapchainImageCount; swapchain_img_index++) {
if (g_hImageAvailableSemaphores.at(swapchain_img_index) != VK_NULL_HANDLE) {
vkDestroySemaphore(g_hDevice, g_hImageAvailableSemaphores[swapchain_img_index], g_Allocs);
g_hImageAvailableSemaphores[swapchain_img_index] = VK_NULL_HANDLE;
}
if (g_hRenderFinishedSemaphores.at(swapchain_img_index) != VK_NULL_HANDLE) {
vkDestroySemaphore(g_hDevice, g_hRenderFinishedSemaphores[swapchain_img_index], g_Allocs);
g_hRenderFinishedSemaphores[swapchain_img_index] = VK_NULL_HANDLE;
}
}
for (std::size_t swapchain_img_index = 0; swapchain_img_index < g_SwapchainImageCount; swapchain_img_index++) {
ERR_GUARD_VULKAN(vkCreateSemaphore(g_hDevice, &semaphoreInfo, g_Allocs, &g_hImageAvailableSemaphores[swapchain_img_index]));
ERR_GUARD_VULKAN(vkCreateSemaphore(g_hDevice, &semaphoreInfo, g_Allocs, &g_hRenderFinishedSemaphores[swapchain_img_index]));
}
} }
static void DestroySwapchain(bool destroyActualSwapchain) static void DestroySwapchain(bool destroyActualSwapchain)
{ {
if(g_hImageAvailableSemaphore != VK_NULL_HANDLE) for (std::size_t swapchain_img_index = 0; swapchain_img_index < g_SwapchainImageCount; swapchain_img_index++) {
{ if (g_hImageAvailableSemaphores.at(swapchain_img_index) != VK_NULL_HANDLE) {
vkDestroySemaphore(g_hDevice, g_hImageAvailableSemaphore, g_Allocs); vkDestroySemaphore(g_hDevice, g_hImageAvailableSemaphores[swapchain_img_index], g_Allocs);
g_hImageAvailableSemaphore = VK_NULL_HANDLE; g_hImageAvailableSemaphores[swapchain_img_index] = VK_NULL_HANDLE;
}
if (g_hRenderFinishedSemaphores.at(swapchain_img_index) != VK_NULL_HANDLE) {
vkDestroySemaphore(g_hDevice, g_hRenderFinishedSemaphores[swapchain_img_index], g_Allocs);
g_hRenderFinishedSemaphores[swapchain_img_index] = VK_NULL_HANDLE;
} }
if(g_hRenderFinishedSemaphore != VK_NULL_HANDLE)
{
vkDestroySemaphore(g_hDevice, g_hRenderFinishedSemaphore, g_Allocs);
g_hRenderFinishedSemaphore = VK_NULL_HANDLE;
} }
for(size_t i = g_Framebuffers.size(); i--; ) for(size_t i = g_Framebuffers.size(); i--; )
@ -2306,7 +2319,7 @@ static void DrawFrame()
// Acquire swapchain image // Acquire swapchain image
uint32_t imageIndex = 0; uint32_t imageIndex = 0;
VkResult res = vkAcquireNextImageKHR(g_hDevice, g_hSwapchain, UINT64_MAX, g_hImageAvailableSemaphore, VK_NULL_HANDLE, &imageIndex); VkResult res = vkAcquireNextImageKHR(g_hDevice, g_hSwapchain, UINT64_MAX, g_hImageAvailableSemaphores.at(g_SwapchainImageIndex), VK_NULL_HANDLE, &imageIndex);
if(res == VK_ERROR_OUT_OF_DATE_KHR) if(res == VK_ERROR_OUT_OF_DATE_KHR)
{ {
RecreateSwapChain(); RecreateSwapChain();
@ -2384,9 +2397,9 @@ static void DrawFrame()
// Submit command buffer // Submit command buffer
VkSemaphore submitWaitSemaphores[] = { g_hImageAvailableSemaphore }; VkSemaphore submitWaitSemaphores[] = { g_hImageAvailableSemaphores.at(g_SwapchainImageIndex)};
VkPipelineStageFlags submitWaitStages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT }; VkPipelineStageFlags submitWaitStages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
VkSemaphore submitSignalSemaphores[] = { g_hRenderFinishedSemaphore }; VkSemaphore submitSignalSemaphores[] = { g_hRenderFinishedSemaphores.at(g_SwapchainImageIndex)};
VkSubmitInfo submitInfo = { VK_STRUCTURE_TYPE_SUBMIT_INFO }; VkSubmitInfo submitInfo = { VK_STRUCTURE_TYPE_SUBMIT_INFO };
submitInfo.waitSemaphoreCount = 1; submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = submitWaitSemaphores; submitInfo.pWaitSemaphores = submitWaitSemaphores;
@ -2397,7 +2410,7 @@ static void DrawFrame()
submitInfo.pSignalSemaphores = submitSignalSemaphores; submitInfo.pSignalSemaphores = submitSignalSemaphores;
ERR_GUARD_VULKAN( vkQueueSubmit(g_hGraphicsQueue, 1, &submitInfo, hCommandBufferExecutedFence) ); ERR_GUARD_VULKAN( vkQueueSubmit(g_hGraphicsQueue, 1, &submitInfo, hCommandBufferExecutedFence) );
VkSemaphore presentWaitSemaphores[] = { g_hRenderFinishedSemaphore }; VkSemaphore presentWaitSemaphores[] = { g_hRenderFinishedSemaphores.at(g_SwapchainImageIndex) };
VkSwapchainKHR swapchains[] = { g_hSwapchain }; VkSwapchainKHR swapchains[] = { g_hSwapchain };
VkPresentInfoKHR presentInfo = { VK_STRUCTURE_TYPE_PRESENT_INFO_KHR }; VkPresentInfoKHR presentInfo = { VK_STRUCTURE_TYPE_PRESENT_INFO_KHR };
@ -2414,6 +2427,11 @@ static void DrawFrame()
} }
else else
ERR_GUARD_VULKAN(res); ERR_GUARD_VULKAN(res);
g_SwapchainImageIndex++;
if (g_SwapchainImageIndex >= g_SwapchainImageCount) {
g_SwapchainImageIndex = 0;
}
} }
static void HandlePossibleSizeChange() static void HandlePossibleSizeChange()