Backends: Vulkan: Fixed vkAcquireNextImageKHR() validation errors in VulkanSDK 1.3.275 by allocating one extra semaphore than in-flight frames. (#7236)
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@ -33,6 +33,7 @@
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2024-01-19: Vulkan: Fixed vkAcquireNextImageKHR() validation errors in VulkanSDK 1.3.275 by allocating one extra semaphore than in-flight frames. (#7236)
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// 2024-01-11: Vulkan: Fixed vkMapMemory() calls unnecessarily using full buffer size (#3957). Fixed MinAllocationSize handing (#7189).
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// 2024-01-03: Vulkan: Added MinAllocationSize field in ImGui_ImplVulkan_InitInfo to workaround zealous "best practice" validation layer. (#7189, #4238)
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// 2024-01-03: Vulkan: Stoped creating command pools with VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT as we don't reset them.
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@ -1305,15 +1306,13 @@ VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_d
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void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator)
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{
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IM_ASSERT(physical_device != VK_NULL_HANDLE && device != VK_NULL_HANDLE);
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(void)physical_device;
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(void)allocator;
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IM_UNUSED(physical_device);
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// Create Command Buffers
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VkResult err;
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for (uint32_t i = 0; i < wd->ImageCount; i++)
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{
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ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i];
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ImGui_ImplVulkanH_FrameSemaphores* fsd = &wd->FrameSemaphores[i];
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{
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VkCommandPoolCreateInfo info = {};
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info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
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@ -1338,6 +1337,11 @@ void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_devi
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err = vkCreateFence(device, &info, allocator, &fd->Fence);
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check_vk_result(err);
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}
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}
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for (uint32_t i = 0; i < wd->SemaphoreCount; i++)
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{
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ImGui_ImplVulkanH_FrameSemaphores* fsd = &wd->FrameSemaphores[i];
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{
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VkSemaphoreCreateInfo info = {};
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info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
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@ -1373,10 +1377,9 @@ void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, V
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// We don't use ImGui_ImplVulkanH_DestroyWindow() because we want to preserve the old swapchain to create the new one.
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// Destroy old Framebuffer
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for (uint32_t i = 0; i < wd->ImageCount; i++)
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{
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ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator);
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for (uint32_t i = 0; i < wd->SemaphoreCount; i++)
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ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator);
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}
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IM_FREE(wd->Frames);
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IM_FREE(wd->FrameSemaphores);
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wd->Frames = nullptr;
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@ -1435,11 +1438,12 @@ void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, V
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err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->ImageCount, backbuffers);
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check_vk_result(err);
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IM_ASSERT(wd->Frames == nullptr);
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IM_ASSERT(wd->Frames == nullptr && wd->FrameSemaphores == nullptr);
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wd->SemaphoreCount = wd->ImageCount + 1;
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wd->Frames = (ImGui_ImplVulkanH_Frame*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_Frame) * wd->ImageCount);
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wd->FrameSemaphores = (ImGui_ImplVulkanH_FrameSemaphores*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameSemaphores) * wd->ImageCount);
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wd->FrameSemaphores = (ImGui_ImplVulkanH_FrameSemaphores*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameSemaphores) * wd->SemaphoreCount);
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memset(wd->Frames, 0, sizeof(wd->Frames[0]) * wd->ImageCount);
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memset(wd->FrameSemaphores, 0, sizeof(wd->FrameSemaphores[0]) * wd->ImageCount);
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memset(wd->FrameSemaphores, 0, sizeof(wd->FrameSemaphores[0]) * wd->SemaphoreCount);
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for (uint32_t i = 0; i < wd->ImageCount; i++)
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wd->Frames[i].Backbuffer = backbuffers[i];
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}
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@ -1546,10 +1550,9 @@ void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui
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//vkQueueWaitIdle(bd->Queue);
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for (uint32_t i = 0; i < wd->ImageCount; i++)
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{
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ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator);
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for (uint32_t i = 0; i < wd->SemaphoreCount; i++)
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ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator);
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}
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IM_FREE(wd->Frames);
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IM_FREE(wd->FrameSemaphores);
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wd->Frames = nullptr;
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@ -155,6 +155,7 @@ struct ImGui_ImplVulkanH_Window
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VkClearValue ClearValue;
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uint32_t FrameIndex; // Current frame being rendered to (0 <= FrameIndex < FrameInFlightCount)
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uint32_t ImageCount; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR, usually derived from min_image_count)
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uint32_t SemaphoreCount; // Number of simultaneous in-flight frames + 1, to be able to use it in vkAcquireNextImageKHR
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uint32_t SemaphoreIndex; // Current set of swapchain wait semaphores we're using (needs to be distinct from per frame data)
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ImGui_ImplVulkanH_Frame* Frames;
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ImGui_ImplVulkanH_FrameSemaphores* FrameSemaphores;
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@ -53,6 +53,8 @@ Other changes:
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regression from 1.90.1 related to code scoping Tab presses to local scope. (#7226) [@bratpilz]
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- Debug Tools: Metrics: Fixed debug break in SetShortcutRouting() not handling ImGuiMod_Shortcut redirect.
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- Debug Tools: Debug Log: Added "Input Routing" logging.
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- Backends: Vulkan: Fixed vkAcquireNextImageKHR() validation errors in VulkanSDK 1.3.275 by
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allocating one extra semaphore than in-flight frames. (#7236) [@mklefrancois]
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- Backends: Vulkan: Fixed vkMapMemory() calls unnecessarily using full buffer size. (#3957)
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- Backends: Vulkan: Fixed handling of ImGui_ImplVulkan_InitInfo::MinAllocationSize field. (#7189, #4238)
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- Backends: WebGPU: Filling all WGPUDepthStencilState fields explicitly as a recent Dawn
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@ -376,7 +376,7 @@ static void FramePresent(ImGui_ImplVulkanH_Window* wd)
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return;
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}
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check_vk_result(err);
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wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores
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wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->SemaphoreCount; // Now we can use the next set of semaphores
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}
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// Main code
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@ -364,7 +364,7 @@ static void FramePresent(ImGui_ImplVulkanH_Window* wd)
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return;
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}
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check_vk_result(err);
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wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores
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wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->SemaphoreCount; // Now we can use the next set of semaphores
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}
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// Main code
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