From b88a3b271123f08fbfc53f5a746a4583b086224b Mon Sep 17 00:00:00 2001 From: MindSpunk Date: Sun, 9 Sep 2018 16:04:44 +1000 Subject: [PATCH 01/10] Examples: Vulkan: Added calls to supports runtime changing back buffer count. (#2071) --- examples/example_glfw_vulkan/main.cpp | 41 ++++++++++--- examples/example_sdl_vulkan/main.cpp | 48 ++++++++++++++- examples/imgui_impl_vulkan.cpp | 87 ++++++++++++++++++++------- examples/imgui_impl_vulkan.h | 10 ++- 4 files changed, 150 insertions(+), 36 deletions(-) diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index 0a9b8ccc..6459a7aa 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -23,6 +23,7 @@ #define IMGUI_VULKAN_DEBUG_REPORT #endif +static uint32_t g_MinImageCount = 2; static VkAllocationCallbacks* g_Allocator = NULL; static VkInstance g_Instance = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; @@ -211,8 +212,8 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); // Create SwapChain, RenderPass, Framebuffer, etc. - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height); + ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); } static void CleanupVulkan() @@ -373,6 +374,7 @@ int main(int, char**) init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; init_info.CheckVkResultFn = check_vk_result; + init_info.QueuedFrames = wd->BackBufferCount; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); // Load Fonts @@ -433,11 +435,14 @@ int main(int, char**) // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. glfwPollEvents(); - if (g_ResizeWanted) - { - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight); - g_ResizeWanted = false; - } + if (g_ResizeWanted) + { + ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); + ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); + g_WindowData.FrameIndex = 0; + g_ResizeWanted = false; + } // Start the Dear ImGui frame ImGui_ImplVulkan_NewFrame(); @@ -478,6 +483,28 @@ int main(int, char**) ImGui::Text("Hello from another window!"); if (ImGui::Button("Close Me")) show_another_window = false; + + if (ImGui::Button("Increase")) + { + g_MinImageCount++; + g_ResizeWanted = true; + } + + ImGui::SameLine(); + if (ImGui::Button("Decrease")) + { + if (g_MinImageCount != 2) + { + g_MinImageCount--; + g_ResizeWanted = true; + } + } + + ImGui::SameLine(); + ImGui::Text("Back Buffers: %i", g_MinImageCount); + + ImGui::Text("Frame Index %i", wd->FrameIndex); + ImGui::End(); } diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index e17a8ab7..b9bcffe9 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -15,6 +15,8 @@ #define IMGUI_VULKAN_DEBUG_REPORT #endif +static uint32_t g_MinImageCount = 2; +static bool g_PendingSwapchainRebuild = false; static VkAllocationCallbacks* g_Allocator = NULL; static VkInstance g_Instance = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; @@ -201,8 +203,8 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); // Create SwapChain, RenderPass, Framebuffer, etc. - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height); + ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); } static void CleanupVulkan() @@ -296,6 +298,20 @@ static void FramePresent(ImGui_ImplVulkanH_WindowData* wd) check_vk_result(err); } +static void RebuildSwapChain(int width, int height) +{ + ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, width, height, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); + ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); + g_WindowData.FrameIndex = 0; + g_PendingSwapchainRebuild = false; +} + +static void RebuildSwapChain() +{ + RebuildSwapChain(g_WindowData.Width, g_WindowData.Height); +} + int main(int, char**) { // Setup SDL @@ -354,6 +370,7 @@ int main(int, char**) init_info.PipelineCache = g_PipelineCache; init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; + init_info.QueuedFrames = wd->BackBufferCount; init_info.CheckVkResultFn = check_vk_result; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); @@ -422,9 +439,12 @@ int main(int, char**) if (event.type == SDL_QUIT) done = true; if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window)) - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, (int)event.window.data1, (int)event.window.data2); + RebuildSwapChain((int)event.window.data1, (int)event.window.data2); } + if (g_PendingSwapchainRebuild) + RebuildSwapChain(); + // Start the Dear ImGui frame ImGui_ImplVulkan_NewFrame(); ImGui_ImplSDL2_NewFrame(window); @@ -464,6 +484,28 @@ int main(int, char**) ImGui::Text("Hello from another window!"); if (ImGui::Button("Close Me")) show_another_window = false; + + if (ImGui::Button("Increase")) + { + g_MinImageCount++; + g_PendingSwapchainRebuild = true; + } + + ImGui::SameLine(); + if (ImGui::Button("Decrease")) + { + if (g_MinImageCount != 2) + { + g_MinImageCount--; + g_PendingSwapchainRebuild = true; + } + } + + ImGui::SameLine(); + ImGui::Text("Back Buffers: %i", g_MinImageCount); + + ImGui::Text("Frame Index %i", wd->FrameIndex); + ImGui::End(); } diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index 2d497931..833e4d3e 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -64,8 +64,8 @@ struct FrameDataForRender VkBuffer VertexBuffer; VkBuffer IndexBuffer; }; -static int g_FrameIndex = 0; -static FrameDataForRender g_FramesDataBuffers[IMGUI_VK_QUEUED_FRAMES] = {}; +static int g_FrameIndex = 0; +static ImVector g_FramesDataBuffers = {}; // Font data static VkSampler g_FontSampler = VK_NULL_HANDLE; @@ -240,7 +240,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm VkResult err; FrameDataForRender* fd = &g_FramesDataBuffers[g_FrameIndex]; - g_FrameIndex = (g_FrameIndex + 1) % IM_ARRAYSIZE(g_FramesDataBuffers); + g_FrameIndex = (g_FrameIndex + 1) % g_FramesDataBuffers.size(); // Create the Vertex and Index buffers: size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); @@ -728,15 +728,6 @@ void ImGui_ImplVulkan_InvalidateDeviceObjects() { ImGui_ImplVulkan_InvalidateFontUploadObjects(); - for (int i = 0; i < IM_ARRAYSIZE(g_FramesDataBuffers); i++) - { - FrameDataForRender* fd = &g_FramesDataBuffers[i]; - if (fd->VertexBuffer) { vkDestroyBuffer (g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; } - if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; } - if (fd->IndexBuffer) { vkDestroyBuffer (g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; } - if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; } - } - if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } @@ -746,6 +737,18 @@ void ImGui_ImplVulkan_InvalidateDeviceObjects() if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } } +void ImGui_ImplVulkan_InvalidateFrameDeviceObjects() +{ + for (int i = 0; i < g_FramesDataBuffers.size(); i++) + { + FrameDataForRender* fd = &g_FramesDataBuffers[i]; + if (fd->VertexBuffer) { vkDestroyBuffer(g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; } + if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; } + if (fd->IndexBuffer) { vkDestroyBuffer(g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; } + if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; } + } +} + bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass) { ImGuiIO& io = ImGui::GetIO(); @@ -768,6 +771,11 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend g_DescriptorPool = info->DescriptorPool; g_Allocator = info->Allocator; g_CheckVkResultFn = info->CheckVkResultFn; + g_FramesDataBuffers.resize(info->QueuedFrames); + for (int i = 0; i < g_FramesDataBuffers.size(); i++) + { + g_FramesDataBuffers[i] = FrameDataForRender(); + } ImGui_ImplVulkan_CreateDeviceObjects(); @@ -776,6 +784,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend void ImGui_ImplVulkan_Shutdown() { + ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); ImGui_ImplVulkan_InvalidateDeviceObjects(); } @@ -783,6 +792,24 @@ void ImGui_ImplVulkan_NewFrame() { } +void ImGui_ImplVulkan_SetQueuedFramesCount(uint32_t count) +{ + if (count == g_FramesDataBuffers.size()) + { + return; + } + ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); + + uint32_t old_size = g_FramesDataBuffers.size(); + g_FramesDataBuffers.resize(count); + for (uint32_t i = old_size; i < count; i++) + { + + g_FramesDataBuffers[i] = FrameDataForRender(); + } + g_FrameIndex = 0; +} + //------------------------------------------------------------------------- // Internal / Miscellaneous Vulkan Helpers @@ -901,7 +928,7 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_ // Create Command Buffers VkResult err; - for (int i = 0; i < IM_ARRAYSIZE(wd->Frames); i++) + for (int i = 0; i < wd->Frames.size(); i++) { ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; { @@ -951,10 +978,8 @@ int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_m return 1; } -void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h) +void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) { - uint32_t min_image_count = 2; // FIXME: this should become a function parameter - VkResult err; VkSwapchainKHR old_swapchain = wd->Swapchain; err = vkDeviceWaitIdle(device); @@ -1015,7 +1040,18 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, NULL); check_vk_result(err); err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, wd->BackBuffer); - check_vk_result(err); + check_vk_result(err); + + for (uint32_t i = 0; i < wd->Frames.size(); i++) + { + ImGui_ImplVulkanH_DestroyFrameData(g_Instance, device, &wd->Frames[i], allocator); + } + uint32_t old_size = wd->Frames.size(); + wd->Frames.resize(wd->BackBufferCount); + for (uint32_t i = 0; i < wd->Frames.size(); i++) + { + wd->Frames[i] = ImGui_ImplVulkanH_FrameData(); + } } if (old_swapchain) vkDestroySwapchainKHR(device, old_swapchain, allocator); @@ -1102,14 +1138,10 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals) //vkQueueWaitIdle(g_Queue); - for (int i = 0; i < IM_ARRAYSIZE(wd->Frames); i++) + for (int i = 0; i < wd->Frames.size(); i++) { ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; - vkDestroyFence(device, fd->Fence, allocator); - vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer); - vkDestroyCommandPool(device, fd->CommandPool, allocator); - vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator); - vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator); + ImGui_ImplVulkanH_DestroyFrameData(instance, device, fd, allocator); } for (uint32_t i = 0; i < wd->BackBufferCount; i++) { @@ -1121,3 +1153,12 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I vkDestroySurfaceKHR(instance, wd->Surface, allocator); *wd = ImGui_ImplVulkanH_WindowData(); } + +void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator) +{ + vkDestroyFence(device, fd->Fence, allocator); + vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer); + vkDestroyCommandPool(device, fd->CommandPool, allocator); + vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator); + vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator); +} diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index 8bb35c86..96cf52be 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -15,7 +15,7 @@ #include -#define IMGUI_VK_QUEUED_FRAMES 2 +//#define IMGUI_VK_QUEUED_FRAMES 2 // Please zero-clear before use. struct ImGui_ImplVulkan_InitInfo @@ -27,6 +27,7 @@ struct ImGui_ImplVulkan_InitInfo VkQueue Queue; VkPipelineCache PipelineCache; VkDescriptorPool DescriptorPool; + int QueuedFrames; const VkAllocationCallbacks* Allocator; void (*CheckVkResultFn)(VkResult err); }; @@ -35,6 +36,7 @@ struct ImGui_ImplVulkan_InitInfo IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass); IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplVulkan_SetQueuedFramesCount(uint32_t count); IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer); IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); @@ -42,6 +44,7 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); // Called by ImGui_ImplVulkan_Init() might be useful elsewhere. IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects(); IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); +IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); //------------------------------------------------------------------------- @@ -63,8 +66,9 @@ struct ImGui_ImplVulkanH_FrameData; struct ImGui_ImplVulkanH_WindowData; IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, uint32_t queue_family, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator); -IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h); +IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator); +IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator); IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space); IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count); IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode); @@ -101,7 +105,7 @@ struct ImGui_ImplVulkanH_WindowData VkImageView BackBufferView[16]; VkFramebuffer Framebuffer[16]; uint32_t FrameIndex; - ImGui_ImplVulkanH_FrameData Frames[IMGUI_VK_QUEUED_FRAMES]; + ImVector Frames; IMGUI_IMPL_API ImGui_ImplVulkanH_WindowData(); }; From c7eef99a331595600c69965426ffc7c26837aa5e Mon Sep 17 00:00:00 2001 From: omar Date: Tue, 11 Sep 2018 22:18:24 +0200 Subject: [PATCH 02/10] Examples: Vulkan: Fixed tabs->space, removed extraneous braces and empty lines. (#2071) --- examples/example_glfw_vulkan/main.cpp | 62 ++++++++++---------- examples/example_sdl_vulkan/main.cpp | 69 +++++++++++------------ examples/imgui_impl_vulkan.cpp | 81 ++++++++++++--------------- examples/imgui_impl_vulkan.h | 2 +- 4 files changed, 99 insertions(+), 115 deletions(-) diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index 6459a7aa..6e25185f 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -23,7 +23,7 @@ #define IMGUI_VULKAN_DEBUG_REPORT #endif -static uint32_t g_MinImageCount = 2; +static uint32_t g_MinImageCount = 2; static VkAllocationCallbacks* g_Allocator = NULL; static VkInstance g_Instance = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; @@ -213,7 +213,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR // Create SwapChain, RenderPass, Framebuffer, etc. ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); } static void CleanupVulkan() @@ -374,7 +374,7 @@ int main(int, char**) init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; init_info.CheckVkResultFn = check_vk_result; - init_info.QueuedFrames = wd->BackBufferCount; + init_info.QueuedFrames = wd->BackBufferCount; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); // Load Fonts @@ -435,14 +435,14 @@ int main(int, char**) // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. glfwPollEvents(); - if (g_ResizeWanted) - { - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); - ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); - g_WindowData.FrameIndex = 0; - g_ResizeWanted = false; - } + if (g_ResizeWanted) + { + ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); + ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); + g_WindowData.FrameIndex = 0; + g_ResizeWanted = false; + } // Start the Dear ImGui frame ImGui_ImplVulkan_NewFrame(); @@ -484,26 +484,26 @@ int main(int, char**) if (ImGui::Button("Close Me")) show_another_window = false; - if (ImGui::Button("Increase")) - { - g_MinImageCount++; - g_ResizeWanted = true; - } - - ImGui::SameLine(); - if (ImGui::Button("Decrease")) - { - if (g_MinImageCount != 2) - { - g_MinImageCount--; - g_ResizeWanted = true; - } - } - - ImGui::SameLine(); - ImGui::Text("Back Buffers: %i", g_MinImageCount); - - ImGui::Text("Frame Index %i", wd->FrameIndex); + if (ImGui::Button("Increase")) + { + g_MinImageCount++; + g_ResizeWanted = true; + } + + ImGui::SameLine(); + if (ImGui::Button("Decrease")) + { + if (g_MinImageCount != 2) + { + g_MinImageCount--; + g_ResizeWanted = true; + } + } + + ImGui::SameLine(); + ImGui::Text("Back Buffers: %i", g_MinImageCount); + + ImGui::Text("Frame Index %i", wd->FrameIndex); ImGui::End(); } diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index b9bcffe9..b430f5a0 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -15,8 +15,8 @@ #define IMGUI_VULKAN_DEBUG_REPORT #endif -static uint32_t g_MinImageCount = 2; -static bool g_PendingSwapchainRebuild = false; +static uint32_t g_MinImageCount = 2; +static bool g_PendingSwapchainRebuild = false; static VkAllocationCallbacks* g_Allocator = NULL; static VkInstance g_Instance = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; @@ -204,7 +204,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR // Create SwapChain, RenderPass, Framebuffer, etc. ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); } static void CleanupVulkan() @@ -300,16 +300,11 @@ static void FramePresent(ImGui_ImplVulkanH_WindowData* wd) static void RebuildSwapChain(int width, int height) { - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, width, height, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); - ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); - g_WindowData.FrameIndex = 0; - g_PendingSwapchainRebuild = false; -} - -static void RebuildSwapChain() -{ - RebuildSwapChain(g_WindowData.Width, g_WindowData.Height); + ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, width, height, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); + ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); + g_WindowData.FrameIndex = 0; + g_PendingSwapchainRebuild = false; } int main(int, char**) @@ -370,7 +365,7 @@ int main(int, char**) init_info.PipelineCache = g_PipelineCache; init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; - init_info.QueuedFrames = wd->BackBufferCount; + init_info.QueuedFrames = wd->BackBufferCount; init_info.CheckVkResultFn = check_vk_result; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); @@ -439,11 +434,11 @@ int main(int, char**) if (event.type == SDL_QUIT) done = true; if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window)) - RebuildSwapChain((int)event.window.data1, (int)event.window.data2); + RebuildSwapChain((int)event.window.data1, (int)event.window.data2); } - if (g_PendingSwapchainRebuild) - RebuildSwapChain(); + if (g_PendingSwapchainRebuild) + RebuildSwapChain(g_WindowData.Width, g_WindowData.Height); // Start the Dear ImGui frame ImGui_ImplVulkan_NewFrame(); @@ -485,26 +480,26 @@ int main(int, char**) if (ImGui::Button("Close Me")) show_another_window = false; - if (ImGui::Button("Increase")) - { - g_MinImageCount++; - g_PendingSwapchainRebuild = true; - } - - ImGui::SameLine(); - if (ImGui::Button("Decrease")) - { - if (g_MinImageCount != 2) - { - g_MinImageCount--; - g_PendingSwapchainRebuild = true; - } - } - - ImGui::SameLine(); - ImGui::Text("Back Buffers: %i", g_MinImageCount); - - ImGui::Text("Frame Index %i", wd->FrameIndex); + if (ImGui::Button("Increase")) + { + g_MinImageCount++; + g_PendingSwapchainRebuild = true; + } + + ImGui::SameLine(); + if (ImGui::Button("Decrease")) + { + if (g_MinImageCount != 2) + { + g_MinImageCount--; + g_PendingSwapchainRebuild = true; + } + } + + ImGui::SameLine(); + ImGui::Text("Back Buffers: %i", g_MinImageCount); + + ImGui::Text("Frame Index %i", wd->FrameIndex); ImGui::End(); } diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index 833e4d3e..a74323ee 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -739,14 +739,14 @@ void ImGui_ImplVulkan_InvalidateDeviceObjects() void ImGui_ImplVulkan_InvalidateFrameDeviceObjects() { - for (int i = 0; i < g_FramesDataBuffers.size(); i++) - { - FrameDataForRender* fd = &g_FramesDataBuffers[i]; - if (fd->VertexBuffer) { vkDestroyBuffer(g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; } - if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; } - if (fd->IndexBuffer) { vkDestroyBuffer(g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; } - if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; } - } + for (int i = 0; i < g_FramesDataBuffers.size(); i++) + { + FrameDataForRender* fd = &g_FramesDataBuffers[i]; + if (fd->VertexBuffer) { vkDestroyBuffer(g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; } + if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; } + if (fd->IndexBuffer) { vkDestroyBuffer(g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; } + if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; } + } } bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass) @@ -771,11 +771,9 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend g_DescriptorPool = info->DescriptorPool; g_Allocator = info->Allocator; g_CheckVkResultFn = info->CheckVkResultFn; - g_FramesDataBuffers.resize(info->QueuedFrames); - for (int i = 0; i < g_FramesDataBuffers.size(); i++) - { - g_FramesDataBuffers[i] = FrameDataForRender(); - } + g_FramesDataBuffers.resize(info->QueuedFrames); + for (int i = 0; i < g_FramesDataBuffers.size(); i++) + g_FramesDataBuffers[i] = FrameDataForRender(); ImGui_ImplVulkan_CreateDeviceObjects(); @@ -784,7 +782,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend void ImGui_ImplVulkan_Shutdown() { - ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); + ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); ImGui_ImplVulkan_InvalidateDeviceObjects(); } @@ -794,20 +792,15 @@ void ImGui_ImplVulkan_NewFrame() void ImGui_ImplVulkan_SetQueuedFramesCount(uint32_t count) { - if (count == g_FramesDataBuffers.size()) - { - return; - } - ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); - - uint32_t old_size = g_FramesDataBuffers.size(); - g_FramesDataBuffers.resize(count); - for (uint32_t i = old_size; i < count; i++) - { - - g_FramesDataBuffers[i] = FrameDataForRender(); - } - g_FrameIndex = 0; + if (count == g_FramesDataBuffers.size()) + return; + ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); + + uint32_t old_size = g_FramesDataBuffers.size(); + g_FramesDataBuffers.resize(count); + for (uint32_t i = old_size; i < count; i++) + g_FramesDataBuffers[i] = FrameDataForRender(); + g_FrameIndex = 0; } @@ -1040,18 +1033,14 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, NULL); check_vk_result(err); err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, wd->BackBuffer); - check_vk_result(err); - - for (uint32_t i = 0; i < wd->Frames.size(); i++) - { - ImGui_ImplVulkanH_DestroyFrameData(g_Instance, device, &wd->Frames[i], allocator); - } - uint32_t old_size = wd->Frames.size(); - wd->Frames.resize(wd->BackBufferCount); - for (uint32_t i = 0; i < wd->Frames.size(); i++) - { - wd->Frames[i] = ImGui_ImplVulkanH_FrameData(); - } + check_vk_result(err); + + for (uint32_t i = 0; i < wd->Frames.size(); i++) + ImGui_ImplVulkanH_DestroyFrameData(g_Instance, device, &wd->Frames[i], allocator); + uint32_t old_size = wd->Frames.size(); + wd->Frames.resize(wd->BackBufferCount); + for (uint32_t i = 0; i < wd->Frames.size(); i++) + wd->Frames[i] = ImGui_ImplVulkanH_FrameData(); } if (old_swapchain) vkDestroySwapchainKHR(device, old_swapchain, allocator); @@ -1141,7 +1130,7 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I for (int i = 0; i < wd->Frames.size(); i++) { ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; - ImGui_ImplVulkanH_DestroyFrameData(instance, device, fd, allocator); + ImGui_ImplVulkanH_DestroyFrameData(instance, device, fd, allocator); } for (uint32_t i = 0; i < wd->BackBufferCount; i++) { @@ -1156,9 +1145,9 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator) { - vkDestroyFence(device, fd->Fence, allocator); - vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer); - vkDestroyCommandPool(device, fd->CommandPool, allocator); - vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator); - vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator); + vkDestroyFence(device, fd->Fence, allocator); + vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer); + vkDestroyCommandPool(device, fd->CommandPool, allocator); + vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator); + vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator); } diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index 96cf52be..9164e6c3 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -27,7 +27,7 @@ struct ImGui_ImplVulkan_InitInfo VkQueue Queue; VkPipelineCache PipelineCache; VkDescriptorPool DescriptorPool; - int QueuedFrames; + int QueuedFrames; const VkAllocationCallbacks* Allocator; void (*CheckVkResultFn)(VkResult err); }; From 317859a3dad32ef8acf1ba77d6e266e6c1f7e379 Mon Sep 17 00:00:00 2001 From: omar Date: Wed, 3 Apr 2019 15:48:22 +0200 Subject: [PATCH 03/10] Examples: Vulkan: Updated Changelog, removed debug code, tweaked code, made GLFW/SDL match each others. Initialize FrameDataForRender fields. Added Assertion. Clearing fields on DestroyFrameData(). (#2071) --- docs/CHANGELOG.txt | 3 ++ examples/example_glfw_vulkan/main.cpp | 35 ++++------------- examples/example_sdl_vulkan/main.cpp | 54 +++++++++------------------ examples/imgui_impl_vulkan.cpp | 51 +++++++++++++++---------- examples/imgui_impl_vulkan.h | 4 +- 5 files changed, 61 insertions(+), 86 deletions(-) diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index a4cbd4de..0220f23a 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -49,6 +49,9 @@ Other Changes: - Examples: OpenGL3: Minor tweaks + not calling glBindBuffer more than necessary in the render loop. - Examples: Vulkan: Added missing support for 32-bit indices (#define ImDrawIdx unsigned int). - Examples: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. +- Examples: Vulkan: Added QueuedFramesCount field in ImGui_ImplVulkan_InitInfo, required during + initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). (#2071) [@nathanvoglsam] + Added ImGui_ImplVulkan_SetQueuedFramesCount() to override QueuedFramesCount while running. - Examples: DirectX9: Fixed erroneous assert in ImGui_ImplDX9_InvalidateDeviceObjects(). (#2454) - Examples: GLUT: Fixed existing FreeGLUT example to work with regular GLUT. (#2465) [@andrewwillmott] - Examples: GLUT: Renamed imgui_impl_freeglut.cpp/.h to imgui_impl_glut.cpp/.h. (#2465) [@andrewwillmott] diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index 6e25185f..b04bde38 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -23,7 +23,6 @@ #define IMGUI_VULKAN_DEBUG_REPORT #endif -static uint32_t g_MinImageCount = 2; static VkAllocationCallbacks* g_Allocator = NULL; static VkInstance g_Instance = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; @@ -35,7 +34,8 @@ static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; static ImGui_ImplVulkanH_WindowData g_WindowData; -static bool g_ResizeWanted = false; +static int g_MinImageCount = 2; +static bool g_WantSwapChainRebuild = false; static int g_ResizeWidth = 0, g_ResizeHeight = 0; static void check_vk_result(VkResult err) @@ -214,6 +214,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR // Create SwapChain, RenderPass, Framebuffer, etc. ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); + IM_ASSERT(wd->BackBufferCount > 0); } static void CleanupVulkan() @@ -314,7 +315,7 @@ static void glfw_error_callback(int error, const char* description) static void glfw_resize_callback(GLFWwindow*, int w, int h) { - g_ResizeWanted = true; + g_WantSwapChainRebuild = true; g_ResizeWidth = w; g_ResizeHeight = h; } @@ -373,8 +374,8 @@ int main(int, char**) init_info.PipelineCache = g_PipelineCache; init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; + init_info.QueuedFramesCount = (int)wd->BackBufferCount; init_info.CheckVkResultFn = check_vk_result; - init_info.QueuedFrames = wd->BackBufferCount; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); // Load Fonts @@ -435,13 +436,13 @@ int main(int, char**) // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. glfwPollEvents(); - if (g_ResizeWanted) + if (g_WantSwapChainRebuild) { ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); g_WindowData.FrameIndex = 0; - g_ResizeWanted = false; + g_WantSwapChainRebuild = false; } // Start the Dear ImGui frame @@ -483,28 +484,6 @@ int main(int, char**) ImGui::Text("Hello from another window!"); if (ImGui::Button("Close Me")) show_another_window = false; - - if (ImGui::Button("Increase")) - { - g_MinImageCount++; - g_ResizeWanted = true; - } - - ImGui::SameLine(); - if (ImGui::Button("Decrease")) - { - if (g_MinImageCount != 2) - { - g_MinImageCount--; - g_ResizeWanted = true; - } - } - - ImGui::SameLine(); - ImGui::Text("Back Buffers: %i", g_MinImageCount); - - ImGui::Text("Frame Index %i", wd->FrameIndex); - ImGui::End(); } diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index b430f5a0..15eb62c2 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -15,8 +15,6 @@ #define IMGUI_VULKAN_DEBUG_REPORT #endif -static uint32_t g_MinImageCount = 2; -static bool g_PendingSwapchainRebuild = false; static VkAllocationCallbacks* g_Allocator = NULL; static VkInstance g_Instance = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; @@ -28,6 +26,8 @@ static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; static ImGui_ImplVulkanH_WindowData g_WindowData; +static uint32_t g_MinImageCount = 2; +static bool g_WantSwapChainRebuild = false; static void check_vk_result(VkResult err) { @@ -205,6 +205,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR // Create SwapChain, RenderPass, Framebuffer, etc. ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); + IM_ASSERT(wd->BackBufferCount > 0); } static void CleanupVulkan() @@ -298,15 +299,6 @@ static void FramePresent(ImGui_ImplVulkanH_WindowData* wd) check_vk_result(err); } -static void RebuildSwapChain(int width, int height) -{ - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, width, height, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); - ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); - g_WindowData.FrameIndex = 0; - g_PendingSwapchainRebuild = false; -} - int main(int, char**) { // Setup SDL @@ -365,7 +357,7 @@ int main(int, char**) init_info.PipelineCache = g_PipelineCache; init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; - init_info.QueuedFrames = wd->BackBufferCount; + init_info.QueuedFramesCount = wd->BackBufferCount; init_info.CheckVkResultFn = check_vk_result; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); @@ -434,11 +426,21 @@ int main(int, char**) if (event.type == SDL_QUIT) done = true; if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window)) - RebuildSwapChain((int)event.window.data1, (int)event.window.data2); + { + g_WindowData.Width = (int)event.window.data1; + g_WindowData.Height = (int)event.window.data2; + g_WantSwapChainRebuild = true; + } } - if (g_PendingSwapchainRebuild) - RebuildSwapChain(g_WindowData.Width, g_WindowData.Height); + if (g_WantSwapChainRebuild) + { + ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); + ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); + g_WindowData.FrameIndex = 0; + g_WantSwapChainRebuild = false; + } // Start the Dear ImGui frame ImGui_ImplVulkan_NewFrame(); @@ -479,28 +481,6 @@ int main(int, char**) ImGui::Text("Hello from another window!"); if (ImGui::Button("Close Me")) show_another_window = false; - - if (ImGui::Button("Increase")) - { - g_MinImageCount++; - g_PendingSwapchainRebuild = true; - } - - ImGui::SameLine(); - if (ImGui::Button("Decrease")) - { - if (g_MinImageCount != 2) - { - g_MinImageCount--; - g_PendingSwapchainRebuild = true; - } - } - - ImGui::SameLine(); - ImGui::Text("Back Buffers: %i", g_MinImageCount); - - ImGui::Text("Frame Index %i", wd->FrameIndex); - ImGui::End(); } diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index a74323ee..9eff80fd 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -13,6 +13,8 @@ // CHANGELOG // (minor and older changes stripped away, please see git history for details) +// 2019-XX-XX: Vulkan: Added QueuedFramesCount field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). +// 2019-XX-XX: Vulkan: Added ImGui_ImplVulkan_SetQueuedFramesCount() to override QueuedFramesCount while running. // 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. // 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int). // 2019-02-16: Vulkan: Viewport and clipping rectangles correctly using draw_data->FramebufferScale to allow retina display. @@ -63,9 +65,11 @@ struct FrameDataForRender VkDeviceSize IndexBufferSize; VkBuffer VertexBuffer; VkBuffer IndexBuffer; + + FrameDataForRender() { VertexBufferMemory = IndexBufferMemory = VK_NULL_HANDLE; VertexBufferSize = IndexBufferSize = VK_NULL_HANDLE; VertexBuffer = IndexBuffer = VK_NULL_HANDLE; } }; static int g_FrameIndex = 0; -static ImVector g_FramesDataBuffers = {}; +static ImVector g_FramesDataBuffers; // Font data static VkSampler g_FontSampler = VK_NULL_HANDLE; @@ -240,7 +244,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm VkResult err; FrameDataForRender* fd = &g_FramesDataBuffers[g_FrameIndex]; - g_FrameIndex = (g_FrameIndex + 1) % g_FramesDataBuffers.size(); + g_FrameIndex = (g_FrameIndex + 1) % g_FramesDataBuffers.Size; // Create the Vertex and Index buffers: size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); @@ -739,7 +743,7 @@ void ImGui_ImplVulkan_InvalidateDeviceObjects() void ImGui_ImplVulkan_InvalidateFrameDeviceObjects() { - for (int i = 0; i < g_FramesDataBuffers.size(); i++) + for (int i = 0; i < g_FramesDataBuffers.Size; i++) { FrameDataForRender* fd = &g_FramesDataBuffers[i]; if (fd->VertexBuffer) { vkDestroyBuffer(g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; } @@ -747,6 +751,7 @@ void ImGui_ImplVulkan_InvalidateFrameDeviceObjects() if (fd->IndexBuffer) { vkDestroyBuffer(g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; } if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; } } + g_FramesDataBuffers.clear(); } bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass) @@ -759,6 +764,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend IM_ASSERT(info->Device != VK_NULL_HANDLE); IM_ASSERT(info->Queue != VK_NULL_HANDLE); IM_ASSERT(info->DescriptorPool != VK_NULL_HANDLE); + IM_ASSERT(info->QueuedFramesCount >= 2); IM_ASSERT(render_pass != VK_NULL_HANDLE); g_Instance = info->Instance; @@ -771,9 +777,10 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend g_DescriptorPool = info->DescriptorPool; g_Allocator = info->Allocator; g_CheckVkResultFn = info->CheckVkResultFn; - g_FramesDataBuffers.resize(info->QueuedFrames); - for (int i = 0; i < g_FramesDataBuffers.size(); i++) - g_FramesDataBuffers[i] = FrameDataForRender(); + + g_FramesDataBuffers.reserve(info->QueuedFramesCount); + for (int i = 0; i < info->QueuedFramesCount; i++) + g_FramesDataBuffers.push_back(FrameDataForRender()); ImGui_ImplVulkan_CreateDeviceObjects(); @@ -790,17 +797,16 @@ void ImGui_ImplVulkan_NewFrame() { } -void ImGui_ImplVulkan_SetQueuedFramesCount(uint32_t count) +void ImGui_ImplVulkan_SetQueuedFramesCount(int count) { - if (count == g_FramesDataBuffers.size()) + if (count == g_FramesDataBuffers.Size) return; ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); - uint32_t old_size = g_FramesDataBuffers.size(); - g_FramesDataBuffers.resize(count); - for (uint32_t i = old_size; i < count; i++) - g_FramesDataBuffers[i] = FrameDataForRender(); g_FrameIndex = 0; + g_FramesDataBuffers.reserve(count); + for (int i = 0; i < count; i++) + g_FramesDataBuffers.push_back(FrameDataForRender()); } @@ -921,7 +927,7 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_ // Create Command Buffers VkResult err; - for (int i = 0; i < wd->Frames.size(); i++) + for (int i = 0; i < wd->Frames.Size; i++) { ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; { @@ -1035,12 +1041,13 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, wd->BackBuffer); check_vk_result(err); - for (uint32_t i = 0; i < wd->Frames.size(); i++) + for (int i = 0; i < wd->Frames.Size; i++) ImGui_ImplVulkanH_DestroyFrameData(g_Instance, device, &wd->Frames[i], allocator); - uint32_t old_size = wd->Frames.size(); - wd->Frames.resize(wd->BackBufferCount); - for (uint32_t i = 0; i < wd->Frames.size(); i++) - wd->Frames[i] = ImGui_ImplVulkanH_FrameData(); + wd->Frames.clear(); + + wd->Frames.reserve((int)wd->BackBufferCount); + for (int i = 0; i < (int)wd->BackBufferCount; i++) + wd->Frames.push_back(ImGui_ImplVulkanH_FrameData()); } if (old_swapchain) vkDestroySwapchainKHR(device, old_swapchain, allocator); @@ -1127,7 +1134,7 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals) //vkQueueWaitIdle(g_Queue); - for (int i = 0; i < wd->Frames.size(); i++) + for (int i = 0; i < wd->Frames.Size; i++) { ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; ImGui_ImplVulkanH_DestroyFrameData(instance, device, fd, allocator); @@ -1145,9 +1152,15 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator) { + (void)instance; vkDestroyFence(device, fd->Fence, allocator); vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer); vkDestroyCommandPool(device, fd->CommandPool, allocator); vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator); vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator); + fd->BackbufferIndex = 0; + fd->Fence = VK_NULL_HANDLE; + fd->CommandBuffer = VK_NULL_HANDLE; + fd->CommandPool = VK_NULL_HANDLE; + fd->ImageAcquiredSemaphore = fd->RenderCompleteSemaphore = VK_NULL_HANDLE; } diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index 9164e6c3..f54caf3d 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -27,7 +27,7 @@ struct ImGui_ImplVulkan_InitInfo VkQueue Queue; VkPipelineCache PipelineCache; VkDescriptorPool DescriptorPool; - int QueuedFrames; + int QueuedFramesCount; const VkAllocationCallbacks* Allocator; void (*CheckVkResultFn)(VkResult err); }; @@ -36,7 +36,7 @@ struct ImGui_ImplVulkan_InitInfo IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass); IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); -IMGUI_IMPL_API void ImGui_ImplVulkan_SetQueuedFramesCount(uint32_t count); +IMGUI_IMPL_API void ImGui_ImplVulkan_SetQueuedFramesCount(int queued_frames_count); // To override QueuedFramesCount after initialization IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer); IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); From 54b8a65d9edcdc560ae643f3c4e812ca2639dedf Mon Sep 17 00:00:00 2001 From: omar Date: Wed, 3 Apr 2019 17:56:18 +0200 Subject: [PATCH 04/10] Examples: Vulkan: Renamed QueuedFramesCount to FramesQueueSize. Moved Framebuffer, Backbuffer to FrameData structure. (#2071) --- docs/CHANGELOG.txt | 4 +- examples/example_glfw_vulkan/main.cpp | 8 +-- examples/example_sdl_vulkan/main.cpp | 8 +-- examples/imgui_impl_vulkan.cpp | 83 ++++++++++++--------------- examples/imgui_impl_vulkan.h | 15 +++-- 5 files changed, 54 insertions(+), 64 deletions(-) diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index 0220f23a..6046f19b 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -49,9 +49,9 @@ Other Changes: - Examples: OpenGL3: Minor tweaks + not calling glBindBuffer more than necessary in the render loop. - Examples: Vulkan: Added missing support for 32-bit indices (#define ImDrawIdx unsigned int). - Examples: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. -- Examples: Vulkan: Added QueuedFramesCount field in ImGui_ImplVulkan_InitInfo, required during +- Examples: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required during initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). (#2071) [@nathanvoglsam] - Added ImGui_ImplVulkan_SetQueuedFramesCount() to override QueuedFramesCount while running. + Added ImGui_ImplVulkan_SetFramesQueueSize() to override FramesQueueSize while running. - Examples: DirectX9: Fixed erroneous assert in ImGui_ImplDX9_InvalidateDeviceObjects(). (#2454) - Examples: GLUT: Fixed existing FreeGLUT example to work with regular GLUT. (#2465) [@andrewwillmott] - Examples: GLUT: Renamed imgui_impl_freeglut.cpp/.h to imgui_impl_glut.cpp/.h. (#2465) [@andrewwillmott] diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index b04bde38..cec1217d 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -214,7 +214,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR // Create SwapChain, RenderPass, Framebuffer, etc. ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); - IM_ASSERT(wd->BackBufferCount > 0); + IM_ASSERT(wd->FramesQueueSize >= 2); } static void CleanupVulkan() @@ -262,7 +262,7 @@ static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) VkRenderPassBeginInfo info = {}; info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; info.renderPass = wd->RenderPass; - info.framebuffer = wd->Framebuffer[wd->FrameIndex]; + info.framebuffer = fd->Framebuffer; info.renderArea.extent.width = wd->Width; info.renderArea.extent.height = wd->Height; info.clearValueCount = 1; @@ -374,7 +374,7 @@ int main(int, char**) init_info.PipelineCache = g_PipelineCache; init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; - init_info.QueuedFramesCount = (int)wd->BackBufferCount; + init_info.FramesQueueSize = wd->FramesQueueSize; init_info.CheckVkResultFn = check_vk_result; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); @@ -440,7 +440,7 @@ int main(int, char**) { ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); - ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); + ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize); g_WindowData.FrameIndex = 0; g_WantSwapChainRebuild = false; } diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index 15eb62c2..70ba5a2d 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -205,7 +205,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR // Create SwapChain, RenderPass, Framebuffer, etc. ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); - IM_ASSERT(wd->BackBufferCount > 0); + IM_ASSERT(wd->FramesQueueSize >= 2); } static void CleanupVulkan() @@ -253,7 +253,7 @@ static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) VkRenderPassBeginInfo info = {}; info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; info.renderPass = wd->RenderPass; - info.framebuffer = wd->Framebuffer[wd->FrameIndex]; + info.framebuffer = fd->Framebuffer; info.renderArea.extent.width = wd->Width; info.renderArea.extent.height = wd->Height; info.clearValueCount = 1; @@ -357,7 +357,7 @@ int main(int, char**) init_info.PipelineCache = g_PipelineCache; init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; - init_info.QueuedFramesCount = wd->BackBufferCount; + init_info.FramesQueueSize = wd->FramesQueueSize; init_info.CheckVkResultFn = check_vk_result; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); @@ -437,7 +437,7 @@ int main(int, char**) { ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); - ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount); + ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize); g_WindowData.FrameIndex = 0; g_WantSwapChainRebuild = false; } diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index 9eff80fd..2d6fc373 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -13,8 +13,7 @@ // CHANGELOG // (minor and older changes stripped away, please see git history for details) -// 2019-XX-XX: Vulkan: Added QueuedFramesCount field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). -// 2019-XX-XX: Vulkan: Added ImGui_ImplVulkan_SetQueuedFramesCount() to override QueuedFramesCount while running. +// 2019-XX-XX: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetFramesQueueSize() to override FramesQueueSize while running. // 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. // 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int). // 2019-02-16: Vulkan: Viewport and clipping rectangles correctly using draw_data->FramebufferScale to allow retina display. @@ -764,7 +763,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend IM_ASSERT(info->Device != VK_NULL_HANDLE); IM_ASSERT(info->Queue != VK_NULL_HANDLE); IM_ASSERT(info->DescriptorPool != VK_NULL_HANDLE); - IM_ASSERT(info->QueuedFramesCount >= 2); + IM_ASSERT(info->FramesQueueSize >= 2); IM_ASSERT(render_pass != VK_NULL_HANDLE); g_Instance = info->Instance; @@ -778,8 +777,8 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend g_Allocator = info->Allocator; g_CheckVkResultFn = info->CheckVkResultFn; - g_FramesDataBuffers.reserve(info->QueuedFramesCount); - for (int i = 0; i < info->QueuedFramesCount; i++) + g_FramesDataBuffers.reserve(info->FramesQueueSize); + for (int i = 0; i < info->FramesQueueSize; i++) g_FramesDataBuffers.push_back(FrameDataForRender()); ImGui_ImplVulkan_CreateDeviceObjects(); @@ -797,15 +796,15 @@ void ImGui_ImplVulkan_NewFrame() { } -void ImGui_ImplVulkan_SetQueuedFramesCount(int count) +void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size) { - if (count == g_FramesDataBuffers.Size) + if (frames_queue_size == g_FramesDataBuffers.Size) return; ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); g_FrameIndex = 0; - g_FramesDataBuffers.reserve(count); - for (int i = 0; i < count; i++) + g_FramesDataBuffers.reserve(frames_queue_size); + for (int i = 0; i < frames_queue_size; i++) g_FramesDataBuffers.push_back(FrameDataForRender()); } @@ -828,12 +827,14 @@ void ImGui_ImplVulkan_SetQueuedFramesCount(int count) ImGui_ImplVulkanH_FrameData::ImGui_ImplVulkanH_FrameData() { - BackbufferIndex = 0; CommandPool = VK_NULL_HANDLE; CommandBuffer = VK_NULL_HANDLE; Fence = VK_NULL_HANDLE; ImageAcquiredSemaphore = VK_NULL_HANDLE; RenderCompleteSemaphore = VK_NULL_HANDLE; + BackBuffer = VK_NULL_HANDLE; + BackBufferView = VK_NULL_HANDLE; + Framebuffer = VK_NULL_HANDLE; } ImGui_ImplVulkanH_WindowData::ImGui_ImplVulkanH_WindowData() @@ -846,10 +847,7 @@ ImGui_ImplVulkanH_WindowData::ImGui_ImplVulkanH_WindowData() RenderPass = VK_NULL_HANDLE; ClearEnable = true; memset(&ClearValue, 0, sizeof(ClearValue)); - BackBufferCount = 0; - memset(&BackBuffer, 0, sizeof(BackBuffer)); - memset(&BackBufferView, 0, sizeof(BackBufferView)); - memset(&Framebuffer, 0, sizeof(Framebuffer)); + FramesQueueSize = 0; FrameIndex = 0; } @@ -985,14 +983,10 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice check_vk_result(err); // Destroy old Framebuffer - for (uint32_t i = 0; i < wd->BackBufferCount; i++) - { - if (wd->BackBufferView[i]) - vkDestroyImageView(device, wd->BackBufferView[i], allocator); - if (wd->Framebuffer[i]) - vkDestroyFramebuffer(device, wd->Framebuffer[i], allocator); - } - wd->BackBufferCount = 0; + for (uint32_t i = 0; i < wd->FramesQueueSize; i++) + ImGui_ImplVulkanH_DestroyFrameData(g_Instance, device, &wd->Frames[i], allocator); + wd->Frames.clear(); + wd->FramesQueueSize = 0; if (wd->RenderPass) vkDestroyRenderPass(device, wd->RenderPass, allocator); @@ -1036,18 +1030,19 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice } err = vkCreateSwapchainKHR(device, &info, allocator, &wd->Swapchain); check_vk_result(err); - err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, NULL); + err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->FramesQueueSize, NULL); check_vk_result(err); - err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, wd->BackBuffer); + VkImage backbuffers[16] = {}; + IM_ASSERT(wd->FramesQueueSize < IM_ARRAYSIZE(backbuffers)); + err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->FramesQueueSize, backbuffers); check_vk_result(err); - for (int i = 0; i < wd->Frames.Size; i++) - ImGui_ImplVulkanH_DestroyFrameData(g_Instance, device, &wd->Frames[i], allocator); - wd->Frames.clear(); - - wd->Frames.reserve((int)wd->BackBufferCount); - for (int i = 0; i < (int)wd->BackBufferCount; i++) + wd->Frames.reserve((int)wd->FramesQueueSize); + for (int i = 0; i < (int)wd->FramesQueueSize; i++) + { wd->Frames.push_back(ImGui_ImplVulkanH_FrameData()); + wd->Frames[i].BackBuffer = backbuffers[i]; + } } if (old_swapchain) vkDestroySwapchainKHR(device, old_swapchain, allocator); @@ -1101,10 +1096,11 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice info.components.a = VK_COMPONENT_SWIZZLE_A; VkImageSubresourceRange image_range = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 }; info.subresourceRange = image_range; - for (uint32_t i = 0; i < wd->BackBufferCount; i++) + for (uint32_t i = 0; i < wd->FramesQueueSize; i++) { - info.image = wd->BackBuffer[i]; - err = vkCreateImageView(device, &info, allocator, &wd->BackBufferView[i]); + ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; + info.image = fd->BackBuffer; + err = vkCreateImageView(device, &info, allocator, &fd->BackBufferView); check_vk_result(err); } } @@ -1120,10 +1116,11 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice info.width = wd->Width; info.height = wd->Height; info.layers = 1; - for (uint32_t i = 0; i < wd->BackBufferCount; i++) + for (uint32_t i = 0; i < wd->FramesQueueSize; i++) { - attachment[0] = wd->BackBufferView[i]; - err = vkCreateFramebuffer(device, &info, allocator, &wd->Framebuffer[i]); + ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; + attachment[0] = fd->BackBufferView; + err = vkCreateFramebuffer(device, &info, allocator, &fd->Framebuffer); check_vk_result(err); } } @@ -1135,15 +1132,7 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I //vkQueueWaitIdle(g_Queue); for (int i = 0; i < wd->Frames.Size; i++) - { - ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; - ImGui_ImplVulkanH_DestroyFrameData(instance, device, fd, allocator); - } - for (uint32_t i = 0; i < wd->BackBufferCount; i++) - { - vkDestroyImageView(device, wd->BackBufferView[i], allocator); - vkDestroyFramebuffer(device, wd->Framebuffer[i], allocator); - } + ImGui_ImplVulkanH_DestroyFrameData(instance, device, &wd->Frames[i], allocator); vkDestroyRenderPass(device, wd->RenderPass, allocator); vkDestroySwapchainKHR(device, wd->Swapchain, allocator); vkDestroySurfaceKHR(instance, wd->Surface, allocator); @@ -1158,9 +1147,11 @@ void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, Im vkDestroyCommandPool(device, fd->CommandPool, allocator); vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator); vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator); - fd->BackbufferIndex = 0; fd->Fence = VK_NULL_HANDLE; fd->CommandBuffer = VK_NULL_HANDLE; fd->CommandPool = VK_NULL_HANDLE; fd->ImageAcquiredSemaphore = fd->RenderCompleteSemaphore = VK_NULL_HANDLE; + + vkDestroyImageView(device, fd->BackBufferView, allocator); + vkDestroyFramebuffer(device, fd->Framebuffer, allocator); } diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index f54caf3d..495f6d47 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -27,7 +27,7 @@ struct ImGui_ImplVulkan_InitInfo VkQueue Queue; VkPipelineCache PipelineCache; VkDescriptorPool DescriptorPool; - int QueuedFramesCount; + int FramesQueueSize; // >= 2, generally matches the image count returned by vkGetSwapchainImagesKHR const VkAllocationCallbacks* Allocator; void (*CheckVkResultFn)(VkResult err); }; @@ -36,7 +36,7 @@ struct ImGui_ImplVulkan_InitInfo IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass); IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); -IMGUI_IMPL_API void ImGui_ImplVulkan_SetQueuedFramesCount(int queued_frames_count); // To override QueuedFramesCount after initialization +IMGUI_IMPL_API void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size); // To override FramesQueueSize after initialization IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer); IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); @@ -77,12 +77,14 @@ IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresen // (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own app.) struct ImGui_ImplVulkanH_FrameData { - uint32_t BackbufferIndex; // Keep track of recently rendered swapchain frame indices VkCommandPool CommandPool; VkCommandBuffer CommandBuffer; VkFence Fence; VkSemaphore ImageAcquiredSemaphore; VkSemaphore RenderCompleteSemaphore; + VkImage BackBuffer; + VkImageView BackBufferView; + VkFramebuffer Framebuffer; IMGUI_IMPL_API ImGui_ImplVulkanH_FrameData(); }; @@ -100,11 +102,8 @@ struct ImGui_ImplVulkanH_WindowData VkRenderPass RenderPass; bool ClearEnable; VkClearValue ClearValue; - uint32_t BackBufferCount; - VkImage BackBuffer[16]; - VkImageView BackBufferView[16]; - VkFramebuffer Framebuffer[16]; - uint32_t FrameIndex; + uint32_t FramesQueueSize; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR) + uint32_t FrameIndex; // Current frame being rendered to (0 <= FrameIndex < FrameInFlightCount) ImVector Frames; IMGUI_IMPL_API ImGui_ImplVulkanH_WindowData(); From f586764cdd534c9735a918c474f9a0a8b3d747bd Mon Sep 17 00:00:00 2001 From: omar Date: Wed, 3 Apr 2019 18:33:13 +0200 Subject: [PATCH 05/10] Examples: Vulkan: Merged helpers into ImGui_ImplVulkanH_CreateWindowData. Removed ImGui_ImplVulkan_InvalidateFrameDeviceObjects from API. Comments. (#2071) --- examples/example_glfw_vulkan/main.cpp | 11 ++++-- examples/example_sdl_vulkan/main.cpp | 11 ++++-- examples/imgui_impl_vulkan.cpp | 57 ++++++++++++++++++--------- examples/imgui_impl_vulkan.h | 16 +++----- 4 files changed, 59 insertions(+), 36 deletions(-) diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index cec1217d..fbb2f499 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -1,6 +1,11 @@ // dear imgui: standalone example application for Glfw + Vulkan // If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own application. +// - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// - Helper ImGui_ImplVulkanH_XXXX functions and structures are used by this example (main.cpp) and by imgui_impl_vulkan.cpp, +// but should PROBABLY NOT be used by your own app code. Read comments in imgui_impl_vulkan.h. + #include "imgui.h" #include "imgui_impl_glfw.h" #include "imgui_impl_vulkan.h" @@ -212,8 +217,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); // Create SwapChain, RenderPass, Framebuffer, etc. - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); + ImGui_ImplVulkanH_CreateWindowData(g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); IM_ASSERT(wd->FramesQueueSize >= 2); } @@ -438,8 +442,7 @@ int main(int, char**) glfwPollEvents(); if (g_WantSwapChainRebuild) { - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); + ImGui_ImplVulkanH_CreateWindowData(g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize); g_WindowData.FrameIndex = 0; g_WantSwapChainRebuild = false; diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index 70ba5a2d..af331302 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -1,6 +1,11 @@ // dear imgui: standalone example application for SDL2 + Vulkan // If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own application. +// - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// - Helper ImGui_ImplVulkanH_XXXX functions and structures are used by this example (main.cpp) and by imgui_impl_vulkan.cpp, +// but should PROBABLY NOT be used by your own app code. Read comments in imgui_impl_vulkan.h. + #include "imgui.h" #include "imgui_impl_sdl.h" #include "imgui_impl_vulkan.h" @@ -203,8 +208,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); // Create SwapChain, RenderPass, Framebuffer, etc. - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); + ImGui_ImplVulkanH_CreateWindowData(g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); IM_ASSERT(wd->FramesQueueSize >= 2); } @@ -435,8 +439,7 @@ int main(int, char**) if (g_WantSwapChainRebuild) { - ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator); + ImGui_ImplVulkanH_CreateWindowData(g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount); ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize); g_WindowData.FrameIndex = 0; g_WantSwapChainRebuild = false; diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index 2d6fc373..97a5b9a8 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -78,6 +78,15 @@ static VkImageView g_FontView = VK_NULL_HANDLE; static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; +// Forward Declarations +void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator); + +//----------------------------------------------------------------------------- +// SHADERS +//----------------------------------------------------------------------------- + // glsl_shader.vert, compiled with: // # glslangValidator -V -x -o glsl_shader.vert.u32 glsl_shader.vert /* @@ -183,6 +192,10 @@ static uint32_t __glsl_shader_frag_spv[] = 0x00010038 }; +//----------------------------------------------------------------------------- +// FUNCTIONS +//----------------------------------------------------------------------------- + static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) { VkPhysicalDeviceMemoryProperties prop; @@ -727,8 +740,22 @@ void ImGui_ImplVulkan_InvalidateFontUploadObjects() } } +static void ImGui_ImplVulkan_InvalidateFrameDeviceObjects() +{ + for (int i = 0; i < g_FramesDataBuffers.Size; i++) + { + FrameDataForRender* fd = &g_FramesDataBuffers[i]; + if (fd->VertexBuffer) { vkDestroyBuffer(g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; } + if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; } + if (fd->IndexBuffer) { vkDestroyBuffer(g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; } + if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; } + } + g_FramesDataBuffers.clear(); +} + void ImGui_ImplVulkan_InvalidateDeviceObjects() { + ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); ImGui_ImplVulkan_InvalidateFontUploadObjects(); if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } @@ -740,19 +767,6 @@ void ImGui_ImplVulkan_InvalidateDeviceObjects() if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } } -void ImGui_ImplVulkan_InvalidateFrameDeviceObjects() -{ - for (int i = 0; i < g_FramesDataBuffers.Size; i++) - { - FrameDataForRender* fd = &g_FramesDataBuffers[i]; - if (fd->VertexBuffer) { vkDestroyBuffer(g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; } - if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; } - if (fd->IndexBuffer) { vkDestroyBuffer(g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; } - if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; } - } - g_FramesDataBuffers.clear(); -} - bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass) { ImGuiIO& io = ImGui::GetIO(); @@ -788,7 +802,6 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend void ImGui_ImplVulkan_Shutdown() { - ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); ImGui_ImplVulkan_InvalidateDeviceObjects(); } @@ -811,6 +824,7 @@ void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size) //------------------------------------------------------------------------- // Internal / Miscellaneous Vulkan Helpers +// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own app.) //------------------------------------------------------------------------- // You probably do NOT need to use or care about those functions. // Those functions only exist because: @@ -818,9 +832,10 @@ void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size) // 2) the upcoming multi-viewport feature will need them internally. // Generally we avoid exposing any kind of superfluous high-level helpers in the bindings, // but it is too much code to duplicate everywhere so we exceptionally expose them. -// Your application/engine will likely already have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). +// +// Your application/engine will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). // You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work. -// (those functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) +// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) //------------------------------------------------------------------------- #include // malloc @@ -917,7 +932,7 @@ VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_d return VK_PRESENT_MODE_FIFO_KHR; // Always available } -void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, uint32_t queue_family, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator) +void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator) { IM_ASSERT(physical_device != VK_NULL_HANDLE && device != VK_NULL_HANDLE); (void)physical_device; @@ -975,7 +990,7 @@ int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_m return 1; } -void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) +void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) { VkResult err; VkSwapchainKHR old_swapchain = wd->Swapchain; @@ -1126,6 +1141,12 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice } } +void ImGui_ImplVulkanH_CreateWindowData(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count) +{ + ImGui_ImplVulkanH_CreateWindowDataSwapChain(physical_device, device, wd, allocator, width, height, min_image_count); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(physical_device, device, wd, queue_family, allocator); +} + void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator) { vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals) diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index 495f6d47..1fb2711b 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -15,8 +15,6 @@ #include -//#define IMGUI_VK_QUEUED_FRAMES 2 - // Please zero-clear before use. struct ImGui_ImplVulkan_InitInfo { @@ -41,15 +39,14 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, V IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); -// Called by ImGui_ImplVulkan_Init() might be useful elsewhere. +// Called by ImGui_ImplVulkan_Init(), might be useful elsewhere. IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects(); IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); -IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); //------------------------------------------------------------------------- // Internal / Miscellaneous Vulkan Helpers -// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own app.) +// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own app.) //------------------------------------------------------------------------- // You probably do NOT need to use or care about those functions. // Those functions only exist because: @@ -57,18 +54,17 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); // 2) the upcoming multi-viewport feature will need them internally. // Generally we avoid exposing any kind of superfluous high-level helpers in the bindings, // but it is too much code to duplicate everywhere so we exceptionally expose them. -// Your application/engine will likely already have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). +// +// Your application/engine will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). // You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work. -// (those functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) +// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) //------------------------------------------------------------------------- struct ImGui_ImplVulkanH_FrameData; struct ImGui_ImplVulkanH_WindowData; -IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, uint32_t queue_family, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator); -IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowData(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator); -IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator); IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space); IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count); IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode); From 6bf981c85c6045da790c50f17527c8c7f021b4f6 Mon Sep 17 00:00:00 2001 From: omar Date: Wed, 3 Apr 2019 19:21:06 +0200 Subject: [PATCH 06/10] Vulkan: More renaming. Comments. --- examples/example_glfw_vulkan/main.cpp | 10 +++++---- examples/example_sdl_vulkan/main.cpp | 10 +++++---- examples/imgui_impl_vulkan.cpp | 29 +++++++++++++++++---------- examples/imgui_impl_vulkan.h | 22 +++++++++++++------- 4 files changed, 45 insertions(+), 26 deletions(-) diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index fbb2f499..f9f260d7 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -1,10 +1,12 @@ // dear imgui: standalone example application for Glfw + Vulkan // If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. -// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own application. +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. // - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. -// - Helper ImGui_ImplVulkanH_XXXX functions and structures are used by this example (main.cpp) and by imgui_impl_vulkan.cpp, -// but should PROBABLY NOT be used by your own app code. Read comments in imgui_impl_vulkan.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. #include "imgui.h" #include "imgui_impl_glfw.h" @@ -424,7 +426,7 @@ int main(int, char**) err = vkDeviceWaitIdle(g_Device); check_vk_result(err); - ImGui_ImplVulkan_InvalidateFontUploadObjects(); + ImGui_ImplVulkan_DestroyFontUploadObjects(); } bool show_demo_window = true; diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index af331302..6c5684e8 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -1,10 +1,12 @@ // dear imgui: standalone example application for SDL2 + Vulkan // If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. -// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own application. +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. // - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. -// - Helper ImGui_ImplVulkanH_XXXX functions and structures are used by this example (main.cpp) and by imgui_impl_vulkan.cpp, -// but should PROBABLY NOT be used by your own app code. Read comments in imgui_impl_vulkan.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. #include "imgui.h" #include "imgui_impl_sdl.h" @@ -407,7 +409,7 @@ int main(int, char**) err = vkDeviceWaitIdle(g_Device); check_vk_result(err); - ImGui_ImplVulkan_InvalidateFontUploadObjects(); + ImGui_ImplVulkan_DestroyFontUploadObjects(); } bool show_demo_window = true; diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index 97a5b9a8..bdf1e661 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -11,6 +11,13 @@ // The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification. // IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/ +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + // CHANGELOG // (minor and older changes stripped away, please see git history for details) // 2019-XX-XX: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetFramesQueueSize() to override FramesQueueSize while running. @@ -726,7 +733,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects() return true; } -void ImGui_ImplVulkan_InvalidateFontUploadObjects() +void ImGui_ImplVulkan_DestroyFontUploadObjects() { if (g_UploadBuffer) { @@ -753,10 +760,10 @@ static void ImGui_ImplVulkan_InvalidateFrameDeviceObjects() g_FramesDataBuffers.clear(); } -void ImGui_ImplVulkan_InvalidateDeviceObjects() +void ImGui_ImplVulkan_DestroyDeviceObjects() { ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); - ImGui_ImplVulkan_InvalidateFontUploadObjects(); + ImGui_ImplVulkan_DestroyFontUploadObjects(); if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } @@ -802,7 +809,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend void ImGui_ImplVulkan_Shutdown() { - ImGui_ImplVulkan_InvalidateDeviceObjects(); + ImGui_ImplVulkan_DestroyDeviceObjects(); } void ImGui_ImplVulkan_NewFrame() @@ -847,8 +854,8 @@ ImGui_ImplVulkanH_FrameData::ImGui_ImplVulkanH_FrameData() Fence = VK_NULL_HANDLE; ImageAcquiredSemaphore = VK_NULL_HANDLE; RenderCompleteSemaphore = VK_NULL_HANDLE; - BackBuffer = VK_NULL_HANDLE; - BackBufferView = VK_NULL_HANDLE; + Backbuffer = VK_NULL_HANDLE; + BackbufferView = VK_NULL_HANDLE; Framebuffer = VK_NULL_HANDLE; } @@ -1056,7 +1063,7 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_devic for (int i = 0; i < (int)wd->FramesQueueSize; i++) { wd->Frames.push_back(ImGui_ImplVulkanH_FrameData()); - wd->Frames[i].BackBuffer = backbuffers[i]; + wd->Frames[i].Backbuffer = backbuffers[i]; } } if (old_swapchain) @@ -1114,8 +1121,8 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_devic for (uint32_t i = 0; i < wd->FramesQueueSize; i++) { ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; - info.image = fd->BackBuffer; - err = vkCreateImageView(device, &info, allocator, &fd->BackBufferView); + info.image = fd->Backbuffer; + err = vkCreateImageView(device, &info, allocator, &fd->BackbufferView); check_vk_result(err); } } @@ -1134,7 +1141,7 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_devic for (uint32_t i = 0; i < wd->FramesQueueSize; i++) { ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; - attachment[0] = fd->BackBufferView; + attachment[0] = fd->BackbufferView; err = vkCreateFramebuffer(device, &info, allocator, &fd->Framebuffer); check_vk_result(err); } @@ -1173,6 +1180,6 @@ void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, Im fd->CommandPool = VK_NULL_HANDLE; fd->ImageAcquiredSemaphore = fd->RenderCompleteSemaphore = VK_NULL_HANDLE; - vkDestroyImageView(device, fd->BackBufferView, allocator); + vkDestroyImageView(device, fd->BackbufferView, allocator); vkDestroyFramebuffer(device, fd->Framebuffer, allocator); } diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index 1fb2711b..6306f30e 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -11,11 +11,19 @@ // The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification. // IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/ +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + #pragma once #include -// Please zero-clear before use. +// Initialization data, for ImGui_ImplVulkan_Init() +// [Please zero-clear before use!] struct ImGui_ImplVulkan_InitInfo { VkInstance Instance; @@ -37,16 +45,16 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); IMGUI_IMPL_API void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size); // To override FramesQueueSize after initialization IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer); IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); -IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); +IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects(); // Called by ImGui_ImplVulkan_Init(), might be useful elsewhere. IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects(); -IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); +IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyDeviceObjects(); //------------------------------------------------------------------------- // Internal / Miscellaneous Vulkan Helpers -// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own app.) +// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own engine/app.) //------------------------------------------------------------------------- // You probably do NOT need to use or care about those functions. // Those functions only exist because: @@ -55,7 +63,7 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); // Generally we avoid exposing any kind of superfluous high-level helpers in the bindings, // but it is too much code to duplicate everywhere so we exceptionally expose them. // -// Your application/engine will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). +// Your engine/app will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). // You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work. // (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) //------------------------------------------------------------------------- @@ -78,8 +86,8 @@ struct ImGui_ImplVulkanH_FrameData VkFence Fence; VkSemaphore ImageAcquiredSemaphore; VkSemaphore RenderCompleteSemaphore; - VkImage BackBuffer; - VkImageView BackBufferView; + VkImage Backbuffer; + VkImageView BackbufferView; VkFramebuffer Framebuffer; IMGUI_IMPL_API ImGui_ImplVulkanH_FrameData(); From 66f4be2e13105d7ae636eff161ff1644275227bd Mon Sep 17 00:00:00 2001 From: omar Date: Thu, 4 Apr 2019 22:27:29 +0200 Subject: [PATCH 07/10] Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). User is in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. Removed ImGui_ImplVulkan_SetFramesQueueSize. (#2461, #2348, #2378, #2097, #2071, #1677) --- docs/CHANGELOG.txt | 10 +- examples/example_glfw_vulkan/main.cpp | 7 +- examples/example_sdl_vulkan/main.cpp | 7 +- examples/imgui_impl_vulkan.cpp | 180 ++++++++++---------------- examples/imgui_impl_vulkan.h | 37 ++++-- 5 files changed, 111 insertions(+), 130 deletions(-) diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index 6046f19b..0b3ed421 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -34,6 +34,13 @@ HOW TO UPDATE? ----------------------------------------------------------------------- Breaking Changes: +- Examples: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is + in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. + (The demo helper ImGui_ImplVulkanH_WindowData structure carries them.) (#2461, #2348, #2378, #2097) +- Examples: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required during + initialization to specify the number of in-flight image required by the swap chain. + (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). (#2071, #1677) [@nathanvoglsam] + Other Changes: - InputText: Fixed selection background starts rendering one frame after the cursor movement @@ -49,9 +56,6 @@ Other Changes: - Examples: OpenGL3: Minor tweaks + not calling glBindBuffer more than necessary in the render loop. - Examples: Vulkan: Added missing support for 32-bit indices (#define ImDrawIdx unsigned int). - Examples: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. -- Examples: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required during - initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). (#2071) [@nathanvoglsam] - Added ImGui_ImplVulkan_SetFramesQueueSize() to override FramesQueueSize while running. - Examples: DirectX9: Fixed erroneous assert in ImGui_ImplDX9_InvalidateDeviceObjects(). (#2454) - Examples: GLUT: Fixed existing FreeGLUT example to work with regular GLUT. (#2465) [@andrewwillmott] - Examples: GLUT: Renamed imgui_impl_freeglut.cpp/.h to imgui_impl_glut.cpp/.h. (#2465) [@andrewwillmott] diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index f9f260d7..037d4791 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -115,6 +115,7 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count) uint32_t gpu_count; err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, NULL); check_vk_result(err); + IM_ASSERT(gpu_count > 0); VkPhysicalDevice* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count); err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus); @@ -219,7 +220,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); // Create SwapChain, RenderPass, Framebuffer, etc. - ImGui_ImplVulkanH_CreateWindowData(g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); IM_ASSERT(wd->FramesQueueSize >= 2); } @@ -277,7 +278,7 @@ static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) } // Record Imgui Draw Data and draw funcs into command buffer - ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), fd->CommandBuffer); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), fd->CommandBuffer, &fd->RenderBuffers); // Submit command buffer vkCmdEndRenderPass(fd->CommandBuffer); @@ -444,7 +445,7 @@ int main(int, char**) glfwPollEvents(); if (g_WantSwapChainRebuild) { - ImGui_ImplVulkanH_CreateWindowData(g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize); g_WindowData.FrameIndex = 0; g_WantSwapChainRebuild = false; diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index 6c5684e8..e4721943 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -106,6 +106,7 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count) uint32_t gpu_count; err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, NULL); check_vk_result(err); + IM_ASSERT(gpu_count > 0); VkPhysicalDevice* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count); err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus); @@ -210,7 +211,7 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); // Create SwapChain, RenderPass, Framebuffer, etc. - ImGui_ImplVulkanH_CreateWindowData(g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); IM_ASSERT(wd->FramesQueueSize >= 2); } @@ -268,7 +269,7 @@ static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) } // Record Imgui Draw Data and draw funcs into command buffer - ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), fd->CommandBuffer); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), fd->CommandBuffer, &fd->RenderBuffers); // Submit command buffer vkCmdEndRenderPass(fd->CommandBuffer); @@ -441,7 +442,7 @@ int main(int, char**) if (g_WantSwapChainRebuild) { - ImGui_ImplVulkanH_CreateWindowData(g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount); + ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount); ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize); g_WindowData.FrameIndex = 0; g_WantSwapChainRebuild = false; diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index bdf1e661..61351679 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -20,7 +20,9 @@ // CHANGELOG // (minor and older changes stripped away, please see git history for details) -// 2019-XX-XX: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetFramesQueueSize() to override FramesQueueSize while running. +// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. (The demo helper ImGui_ImplVulkanH_WindowData structure carries them.) +// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetFramesQueueSize() to override FramesQueueSize while running. +// 2019-XX-XX: Vulkan: Added VkInstance argument to ImGui_ImplVulkanH_CreateWindowData() optional helper. // 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. // 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int). // 2019-02-16: Vulkan: Viewport and clipping rectangles correctly using draw_data->FramebufferScale to allow retina display. @@ -44,51 +46,37 @@ // Vulkan data static const VkAllocationCallbacks* g_Allocator = NULL; -static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; -static VkInstance g_Instance = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static uint32_t g_QueueFamily = (uint32_t)-1; -static VkQueue g_Queue = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static VkRenderPass g_RenderPass = VK_NULL_HANDLE; -static void (*g_CheckVkResultFn)(VkResult err) = NULL; - -static VkDeviceSize g_BufferMemoryAlignment = 256; -static VkPipelineCreateFlags g_PipelineCreateFlags = 0; - -static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; -static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; -static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; -static VkPipeline g_Pipeline = VK_NULL_HANDLE; - -// Frame data -struct FrameDataForRender -{ - VkDeviceMemory VertexBufferMemory; - VkDeviceMemory IndexBufferMemory; - VkDeviceSize VertexBufferSize; - VkDeviceSize IndexBufferSize; - VkBuffer VertexBuffer; - VkBuffer IndexBuffer; - - FrameDataForRender() { VertexBufferMemory = IndexBufferMemory = VK_NULL_HANDLE; VertexBufferSize = IndexBufferSize = VK_NULL_HANDLE; VertexBuffer = IndexBuffer = VK_NULL_HANDLE; } -}; -static int g_FrameIndex = 0; -static ImVector g_FramesDataBuffers; +static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; +static VkInstance g_Instance = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static uint32_t g_QueueFamily = (uint32_t)-1; +static VkQueue g_Queue = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static int g_FramesQueueSize = 0; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static void (*g_CheckVkResultFn)(VkResult err) = NULL; + +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0x00; +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; // Font data -static VkSampler g_FontSampler = VK_NULL_HANDLE; -static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; -static VkImage g_FontImage = VK_NULL_HANDLE; -static VkImageView g_FontView = VK_NULL_HANDLE; -static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; -static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; // Forward Declarations void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator); -void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); -void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* frb, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator); //----------------------------------------------------------------------------- // SHADERS @@ -253,7 +241,7 @@ static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory // Render function // (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer) +void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer, ImGui_ImplVulkan_FrameRenderBuffers* fd) { // Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates) int fb_width = (int)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x); @@ -262,8 +250,6 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm return; VkResult err; - FrameDataForRender* fd = &g_FramesDataBuffers[g_FrameIndex]; - g_FrameIndex = (g_FrameIndex + 1) % g_FramesDataBuffers.Size; // Create the Vertex and Index buffers: size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); @@ -747,22 +733,8 @@ void ImGui_ImplVulkan_DestroyFontUploadObjects() } } -static void ImGui_ImplVulkan_InvalidateFrameDeviceObjects() -{ - for (int i = 0; i < g_FramesDataBuffers.Size; i++) - { - FrameDataForRender* fd = &g_FramesDataBuffers[i]; - if (fd->VertexBuffer) { vkDestroyBuffer(g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; } - if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; } - if (fd->IndexBuffer) { vkDestroyBuffer(g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; } - if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; } - } - g_FramesDataBuffers.clear(); -} - void ImGui_ImplVulkan_DestroyDeviceObjects() { - ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); ImGui_ImplVulkan_DestroyFontUploadObjects(); if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } @@ -795,13 +767,10 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend g_RenderPass = render_pass; g_PipelineCache = info->PipelineCache; g_DescriptorPool = info->DescriptorPool; + g_FramesQueueSize = info->FramesQueueSize; g_Allocator = info->Allocator; g_CheckVkResultFn = info->CheckVkResultFn; - g_FramesDataBuffers.reserve(info->FramesQueueSize); - for (int i = 0; i < info->FramesQueueSize; i++) - g_FramesDataBuffers.push_back(FrameDataForRender()); - ImGui_ImplVulkan_CreateDeviceObjects(); return true; @@ -818,14 +787,7 @@ void ImGui_ImplVulkan_NewFrame() void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size) { - if (frames_queue_size == g_FramesDataBuffers.Size) - return; - ImGui_ImplVulkan_InvalidateFrameDeviceObjects(); - - g_FrameIndex = 0; - g_FramesDataBuffers.reserve(frames_queue_size); - for (int i = 0; i < frames_queue_size; i++) - g_FramesDataBuffers.push_back(FrameDataForRender()); + (void)frames_queue_size; } @@ -840,39 +802,13 @@ void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size) // Generally we avoid exposing any kind of superfluous high-level helpers in the bindings, // but it is too much code to duplicate everywhere so we exceptionally expose them. // -// Your application/engine will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). +// Your engine/app will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). // You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work. // (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) //------------------------------------------------------------------------- #include // malloc -ImGui_ImplVulkanH_FrameData::ImGui_ImplVulkanH_FrameData() -{ - CommandPool = VK_NULL_HANDLE; - CommandBuffer = VK_NULL_HANDLE; - Fence = VK_NULL_HANDLE; - ImageAcquiredSemaphore = VK_NULL_HANDLE; - RenderCompleteSemaphore = VK_NULL_HANDLE; - Backbuffer = VK_NULL_HANDLE; - BackbufferView = VK_NULL_HANDLE; - Framebuffer = VK_NULL_HANDLE; -} - -ImGui_ImplVulkanH_WindowData::ImGui_ImplVulkanH_WindowData() -{ - Width = Height = 0; - Swapchain = VK_NULL_HANDLE; - Surface = VK_NULL_HANDLE; - memset(&SurfaceFormat, 0, sizeof(SurfaceFormat)); - PresentMode = VK_PRESENT_MODE_MAX_ENUM_KHR; - RenderPass = VK_NULL_HANDLE; - ClearEnable = true; - memset(&ClearValue, 0, sizeof(ClearValue)); - FramesQueueSize = 0; - FrameIndex = 0; -} - VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space) { IM_ASSERT(request_formats != NULL); @@ -939,15 +875,16 @@ VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_d return VK_PRESENT_MODE_FIFO_KHR; // Always available } -void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator) +void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator) { - IM_ASSERT(physical_device != VK_NULL_HANDLE && device != VK_NULL_HANDLE); + IM_ASSERT(instance != VK_NULL_HANDLE && physical_device != VK_NULL_HANDLE && device != VK_NULL_HANDLE); + (void)instance; (void)physical_device; (void)allocator; // Create Command Buffers VkResult err; - for (int i = 0; i < wd->Frames.Size; i++) + for (uint32_t i = 0; i < wd->FramesQueueSize; i++) { ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; { @@ -985,6 +922,7 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_ } } +// MinImageCount will usually turn into FramesQueueSize int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode) { if (present_mode == VK_PRESENT_MODE_MAILBOX_KHR) @@ -997,17 +935,20 @@ int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_m return 1; } -void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) +// Also destroy old swap chain and in-flight frames data, if any. +void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) { VkResult err; VkSwapchainKHR old_swapchain = wd->Swapchain; err = vkDeviceWaitIdle(device); check_vk_result(err); + // We don't use ImGui_ImplVulkanH_DestroyWindowData() because we want to preserve the old swapchain to create the new one. // Destroy old Framebuffer for (uint32_t i = 0; i < wd->FramesQueueSize; i++) - ImGui_ImplVulkanH_DestroyFrameData(g_Instance, device, &wd->Frames[i], allocator); - wd->Frames.clear(); + ImGui_ImplVulkanH_DestroyFrameData(instance, device, &wd->Frames[i], allocator); + delete[] wd->Frames; + wd->Frames = NULL; wd->FramesQueueSize = 0; if (wd->RenderPass) vkDestroyRenderPass(device, wd->RenderPass, allocator); @@ -1059,12 +1000,11 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_devic err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->FramesQueueSize, backbuffers); check_vk_result(err); - wd->Frames.reserve((int)wd->FramesQueueSize); - for (int i = 0; i < (int)wd->FramesQueueSize; i++) - { - wd->Frames.push_back(ImGui_ImplVulkanH_FrameData()); + IM_ASSERT(wd->Frames == NULL); + wd->Frames = new ImGui_ImplVulkanH_FrameData[wd->FramesQueueSize]; + memset(wd->Frames, 0, sizeof(wd->Frames[0]) * wd->FramesQueueSize); + for (uint32_t i = 0; i < wd->FramesQueueSize; i++) wd->Frames[i].Backbuffer = backbuffers[i]; - } } if (old_swapchain) vkDestroySwapchainKHR(device, old_swapchain, allocator); @@ -1148,10 +1088,10 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkPhysicalDevice physical_devic } } -void ImGui_ImplVulkanH_CreateWindowData(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count) +void ImGui_ImplVulkanH_CreateWindowData(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count) { - ImGui_ImplVulkanH_CreateWindowDataSwapChain(physical_device, device, wd, allocator, width, height, min_image_count); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(physical_device, device, wd, queue_family, allocator); + ImGui_ImplVulkanH_CreateWindowDataSwapChain(instance, physical_device, device, wd, allocator, width, height, min_image_count); + ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(instance, physical_device, device, wd, queue_family, allocator); } void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator) @@ -1159,11 +1099,14 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals) //vkQueueWaitIdle(g_Queue); - for (int i = 0; i < wd->Frames.Size; i++) + for (uint32_t i = 0; i < wd->FramesQueueSize; i++) ImGui_ImplVulkanH_DestroyFrameData(instance, device, &wd->Frames[i], allocator); + delete[] wd->Frames; + wd->Frames = NULL; vkDestroyRenderPass(device, wd->RenderPass, allocator); vkDestroySwapchainKHR(device, wd->Swapchain, allocator); vkDestroySurfaceKHR(instance, wd->Surface, allocator); + *wd = ImGui_ImplVulkanH_WindowData(); } @@ -1182,4 +1125,17 @@ void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, Im vkDestroyImageView(device, fd->BackbufferView, allocator); vkDestroyFramebuffer(device, fd->Framebuffer, allocator); + + ImGui_ImplVulkanH_DestroyFrameRenderBuffers(instance, device, &fd->RenderBuffers, allocator); +} + +void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* frb, const VkAllocationCallbacks* allocator) +{ + (void)instance; + if (frb->VertexBuffer) { vkDestroyBuffer(device, frb->VertexBuffer, allocator); frb->VertexBuffer = VK_NULL_HANDLE; } + if (frb->VertexBufferMemory) { vkFreeMemory (device, frb->VertexBufferMemory, allocator); frb->VertexBufferMemory = VK_NULL_HANDLE; } + if (frb->IndexBuffer) { vkDestroyBuffer(device, frb->IndexBuffer, allocator); frb->IndexBuffer = VK_NULL_HANDLE; } + if (frb->IndexBufferMemory) { vkFreeMemory (device, frb->IndexBufferMemory, allocator); frb->IndexBufferMemory = VK_NULL_HANDLE; } + frb->VertexBufferSize = 0; + frb->IndexBufferSize = 0; } diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index 6306f30e..334910f6 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -38,12 +38,26 @@ struct ImGui_ImplVulkan_InitInfo void (*CheckVkResultFn)(VkResult err); }; +// Reusable buffers used for rendering by current in-flight frame, for ImGui_ImplVulkan_RenderDrawData() +// [Please zero-clear before use!] +// In the examples we store those in the helper ImGui_ImplVulkanH_FrameData structure, however as your own engine/app likely won't use the ImGui_Impl_VulkanH_XXXX helpers, +// you are expected to hold on as many ImGui_ImplVulkan_FrameRenderBuffers structures on your side as you have in-flight frames (== init_info.FramesQueueSize) +struct ImGui_ImplVulkan_FrameRenderBuffers +{ + VkDeviceMemory VertexBufferMemory; + VkDeviceMemory IndexBufferMemory; + VkDeviceSize VertexBufferSize; + VkDeviceSize IndexBufferSize; + VkBuffer VertexBuffer; + VkBuffer IndexBuffer; +}; + // Called by user code IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass); IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); IMGUI_IMPL_API void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size); // To override FramesQueueSize after initialization -IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer); +IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer, ImGui_ImplVulkan_FrameRenderBuffers* buffers); IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects(); @@ -71,7 +85,7 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyDeviceObjects(); struct ImGui_ImplVulkanH_FrameData; struct ImGui_ImplVulkanH_WindowData; -IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowData(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowData(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator); IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space); IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count); @@ -79,6 +93,7 @@ IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresen // Helper structure to hold the data needed by one rendering frame // (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own app.) +// [Please zero-clear before use!] struct ImGui_ImplVulkanH_FrameData { VkCommandPool CommandPool; @@ -89,8 +104,7 @@ struct ImGui_ImplVulkanH_FrameData VkImage Backbuffer; VkImageView BackbufferView; VkFramebuffer Framebuffer; - - IMGUI_IMPL_API ImGui_ImplVulkanH_FrameData(); + ImGui_ImplVulkan_FrameRenderBuffers RenderBuffers; }; // Helper structure to hold the data needed by one rendering context into one OS window @@ -106,10 +120,15 @@ struct ImGui_ImplVulkanH_WindowData VkRenderPass RenderPass; bool ClearEnable; VkClearValue ClearValue; - uint32_t FramesQueueSize; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR) - uint32_t FrameIndex; // Current frame being rendered to (0 <= FrameIndex < FrameInFlightCount) - ImVector Frames; - - IMGUI_IMPL_API ImGui_ImplVulkanH_WindowData(); + uint32_t FrameIndex; // Current frame being rendered to (0 <= FrameIndex < FrameInFlightCount) + uint32_t FramesQueueSize; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR, usually derived from min_image_count) + ImGui_ImplVulkanH_FrameData* Frames; + + ImGui_ImplVulkanH_WindowData() + { + memset(this, 0, sizeof(*this)); + PresentMode = VK_PRESENT_MODE_MAX_ENUM_KHR; + ClearEnable = true; + } }; From 86f5945f497c42a665c8184edf04fb831c279ecb Mon Sep 17 00:00:00 2001 From: omar Date: Thu, 4 Apr 2019 22:36:12 +0200 Subject: [PATCH 08/10] Vulkan: Storing user info into a single g_VulkanInitInfo structure to simplify code. --- examples/imgui_impl_vulkan.cpp | 126 +++++++++++++++------------------ 1 file changed, 57 insertions(+), 69 deletions(-) diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index 61351679..25b6428b 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -45,18 +45,8 @@ #include // Vulkan data -static const VkAllocationCallbacks* g_Allocator = NULL; -static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; -static VkInstance g_Instance = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static uint32_t g_QueueFamily = (uint32_t)-1; -static VkQueue g_Queue = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static int g_FramesQueueSize = 0; +static ImGui_ImplVulkan_InitInfo g_VulkanInitInfo = {}; static VkRenderPass g_RenderPass = VK_NULL_HANDLE; -static void (*g_CheckVkResultFn)(VkResult err) = NULL; - static VkDeviceSize g_BufferMemoryAlignment = 256; static VkPipelineCreateFlags g_PipelineCreateFlags = 0x00; static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; @@ -193,8 +183,9 @@ static uint32_t __glsl_shader_frag_spv[] = static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) { + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; VkPhysicalDeviceMemoryProperties prop; - vkGetPhysicalDeviceMemoryProperties(g_PhysicalDevice, &prop); + vkGetPhysicalDeviceMemoryProperties(v->PhysicalDevice, &prop); for (uint32_t i = 0; i < prop.memoryTypeCount; i++) if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<CheckVkResultFn) + v->CheckVkResultFn(err); } static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory, VkDeviceSize& p_buffer_size, size_t new_size, VkBufferUsageFlagBits usage) { + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; VkResult err; if (buffer != VK_NULL_HANDLE) - vkDestroyBuffer(g_Device, buffer, g_Allocator); + vkDestroyBuffer(v->Device, buffer, v->Allocator); if (buffer_memory) - vkFreeMemory(g_Device, buffer_memory, g_Allocator); + vkFreeMemory(v->Device, buffer_memory, v->Allocator); VkDeviceSize vertex_buffer_size_aligned = ((new_size - 1) / g_BufferMemoryAlignment + 1) * g_BufferMemoryAlignment; VkBufferCreateInfo buffer_info = {}; @@ -221,20 +214,20 @@ static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory buffer_info.size = vertex_buffer_size_aligned; buffer_info.usage = usage; buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &buffer); + err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &buffer); check_vk_result(err); VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, buffer, &req); + vkGetBufferMemoryRequirements(v->Device, buffer, &req); g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; VkMemoryAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; alloc_info.allocationSize = req.size; alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &buffer_memory); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &buffer_memory); check_vk_result(err); - err = vkBindBufferMemory(g_Device, buffer, buffer_memory, 0); + err = vkBindBufferMemory(v->Device, buffer, buffer_memory, 0); check_vk_result(err); p_buffer_size = new_size; } @@ -249,6 +242,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm if (fb_width <= 0 || fb_height <= 0 || draw_data->TotalVtxCount == 0) return; + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; VkResult err; // Create the Vertex and Index buffers: @@ -263,9 +257,9 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm { ImDrawVert* vtx_dst = NULL; ImDrawIdx* idx_dst = NULL; - err = vkMapMemory(g_Device, fd->VertexBufferMemory, 0, vertex_size, 0, (void**)(&vtx_dst)); + err = vkMapMemory(v->Device, fd->VertexBufferMemory, 0, vertex_size, 0, (void**)(&vtx_dst)); check_vk_result(err); - err = vkMapMemory(g_Device, fd->IndexBufferMemory, 0, index_size, 0, (void**)(&idx_dst)); + err = vkMapMemory(v->Device, fd->IndexBufferMemory, 0, index_size, 0, (void**)(&idx_dst)); check_vk_result(err); for (int n = 0; n < draw_data->CmdListsCount; n++) { @@ -282,10 +276,10 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; range[1].memory = fd->IndexBufferMemory; range[1].size = VK_WHOLE_SIZE; - err = vkFlushMappedMemoryRanges(g_Device, 2, range); + err = vkFlushMappedMemoryRanges(v->Device, 2, range); check_vk_result(err); - vkUnmapMemory(g_Device, fd->VertexBufferMemory); - vkUnmapMemory(g_Device, fd->IndexBufferMemory); + vkUnmapMemory(v->Device, fd->VertexBufferMemory); + vkUnmapMemory(v->Device, fd->IndexBufferMemory); } // Bind pipeline and descriptor sets: @@ -383,6 +377,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) { + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; ImGuiIO& io = ImGui::GetIO(); unsigned char* pixels; @@ -408,17 +403,17 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; - err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); + err = vkCreateImage(v->Device, &info, v->Allocator, &g_FontImage); check_vk_result(err); VkMemoryRequirements req; - vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + vkGetImageMemoryRequirements(v->Device, g_FontImage, &req); VkMemoryAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; alloc_info.allocationSize = req.size; alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &g_FontMemory); check_vk_result(err); - err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + err = vkBindImageMemory(v->Device, g_FontImage, g_FontMemory, 0); check_vk_result(err); } @@ -432,7 +427,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; info.subresourceRange.levelCount = 1; info.subresourceRange.layerCount = 1; - err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); + err = vkCreateImageView(v->Device, &info, v->Allocator, &g_FontView); check_vk_result(err); } @@ -448,7 +443,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) write_desc[0].descriptorCount = 1; write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; write_desc[0].pImageInfo = desc_image; - vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); + vkUpdateDescriptorSets(v->Device, 1, write_desc, 0, NULL); } // Create the Upload Buffer: @@ -458,34 +453,34 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) buffer_info.size = upload_size; buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); + err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &g_UploadBuffer); check_vk_result(err); VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + vkGetBufferMemoryRequirements(v->Device, g_UploadBuffer, &req); g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; VkMemoryAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; alloc_info.allocationSize = req.size; alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &g_UploadBufferMemory); check_vk_result(err); - err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + err = vkBindBufferMemory(v->Device, g_UploadBuffer, g_UploadBufferMemory, 0); check_vk_result(err); } // Upload to Buffer: { char* map = NULL; - err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + err = vkMapMemory(v->Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); check_vk_result(err); memcpy(map, pixels, upload_size); VkMappedMemoryRange range[1] = {}; range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; range[0].memory = g_UploadBufferMemory; range[0].size = upload_size; - err = vkFlushMappedMemoryRanges(g_Device, 1, range); + err = vkFlushMappedMemoryRanges(v->Device, 1, range); check_vk_result(err); - vkUnmapMemory(g_Device, g_UploadBufferMemory); + vkUnmapMemory(v->Device, g_UploadBufferMemory); } // Copy to Image: @@ -534,6 +529,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) bool ImGui_ImplVulkan_CreateDeviceObjects() { + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; VkResult err; VkShaderModule vert_module; VkShaderModule frag_module; @@ -544,13 +540,13 @@ bool ImGui_ImplVulkan_CreateDeviceObjects() vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; vert_info.codeSize = sizeof(__glsl_shader_vert_spv); vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; - err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + err = vkCreateShaderModule(v->Device, &vert_info, v->Allocator, &vert_module); check_vk_result(err); VkShaderModuleCreateInfo frag_info = {}; frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; frag_info.codeSize = sizeof(__glsl_shader_frag_spv); frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; - err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + err = vkCreateShaderModule(v->Device, &frag_info, v->Allocator, &frag_module); check_vk_result(err); } @@ -567,7 +563,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects() info.minLod = -1000; info.maxLod = 1000; info.maxAnisotropy = 1.0f; - err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); + err = vkCreateSampler(v->Device, &info, v->Allocator, &g_FontSampler); check_vk_result(err); } @@ -583,7 +579,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects() info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; info.bindingCount = 1; info.pBindings = binding; - err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); + err = vkCreateDescriptorSetLayout(v->Device, &info, v->Allocator, &g_DescriptorSetLayout); check_vk_result(err); } @@ -591,10 +587,10 @@ bool ImGui_ImplVulkan_CreateDeviceObjects() { VkDescriptorSetAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; - alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorPool = v->DescriptorPool; alloc_info.descriptorSetCount = 1; alloc_info.pSetLayouts = &g_DescriptorSetLayout; - err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + err = vkAllocateDescriptorSets(v->Device, &alloc_info, &g_DescriptorSet); check_vk_result(err); } @@ -612,7 +608,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects() layout_info.pSetLayouts = set_layout; layout_info.pushConstantRangeCount = 1; layout_info.pPushConstantRanges = push_constants; - err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); + err = vkCreatePipelineLayout(v->Device, &layout_info, v->Allocator, &g_PipelineLayout); check_vk_result(err); } @@ -710,40 +706,42 @@ bool ImGui_ImplVulkan_CreateDeviceObjects() info.pDynamicState = &dynamic_state; info.layout = g_PipelineLayout; info.renderPass = g_RenderPass; - err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); + err = vkCreateGraphicsPipelines(v->Device, v->PipelineCache, 1, &info, v->Allocator, &g_Pipeline); check_vk_result(err); - vkDestroyShaderModule(g_Device, vert_module, g_Allocator); - vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + vkDestroyShaderModule(v->Device, vert_module, v->Allocator); + vkDestroyShaderModule(v->Device, frag_module, v->Allocator); return true; } void ImGui_ImplVulkan_DestroyFontUploadObjects() { + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; if (g_UploadBuffer) { - vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + vkDestroyBuffer(v->Device, g_UploadBuffer, v->Allocator); g_UploadBuffer = VK_NULL_HANDLE; } if (g_UploadBufferMemory) { - vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + vkFreeMemory(v->Device, g_UploadBufferMemory, v->Allocator); g_UploadBufferMemory = VK_NULL_HANDLE; } } void ImGui_ImplVulkan_DestroyDeviceObjects() { - ImGui_ImplVulkan_DestroyFontUploadObjects(); + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; - if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } - if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } - if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } - if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } - if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } - if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } - if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } + ImGui_ImplVulkan_DestroyFontUploadObjects(); + if (g_FontView) { vkDestroyImageView(v->Device, g_FontView, v->Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(v->Device, g_FontImage, v->Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(v->Device, g_FontMemory, v->Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(v->Device, g_FontSampler, v->Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(v->Device, g_DescriptorSetLayout, v->Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(v->Device, g_PipelineLayout, v->Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(v->Device, g_Pipeline, v->Allocator); g_Pipeline = VK_NULL_HANDLE; } } bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass) @@ -759,18 +757,8 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend IM_ASSERT(info->FramesQueueSize >= 2); IM_ASSERT(render_pass != VK_NULL_HANDLE); - g_Instance = info->Instance; - g_PhysicalDevice = info->PhysicalDevice; - g_Device = info->Device; - g_QueueFamily = info->QueueFamily; - g_Queue = info->Queue; + g_VulkanInitInfo = *info; g_RenderPass = render_pass; - g_PipelineCache = info->PipelineCache; - g_DescriptorPool = info->DescriptorPool; - g_FramesQueueSize = info->FramesQueueSize; - g_Allocator = info->Allocator; - g_CheckVkResultFn = info->CheckVkResultFn; - ImGui_ImplVulkan_CreateDeviceObjects(); return true; From 4f54a527ab047f7d668b978b2589c74cf66d2a24 Mon Sep 17 00:00:00 2001 From: omar Date: Thu, 4 Apr 2019 23:11:15 +0200 Subject: [PATCH 09/10] Vulkan: Renaming, we want InitInfo to source MinImageCount which is the "source" value (so viewport creation can use this). Made ImGui_ImplVulkan_DestroyFrameRenderBuffers public. (#2071) --- docs/CHANGELOG.txt | 4 +-- examples/example_glfw_vulkan/main.cpp | 21 ++++++++++----- examples/example_sdl_vulkan/main.cpp | 21 ++++++++++----- examples/imgui_impl_vulkan.cpp | 38 +++++++++++++++------------ examples/imgui_impl_vulkan.h | 5 ++-- 5 files changed, 56 insertions(+), 33 deletions(-) diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index 0b3ed421..b4f17df9 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -37,8 +37,8 @@ Breaking Changes: - Examples: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. (The demo helper ImGui_ImplVulkanH_WindowData structure carries them.) (#2461, #2348, #2378, #2097) -- Examples: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required during - initialization to specify the number of in-flight image required by the swap chain. +- Examples: Vulkan: Added MinImageCount field in ImGui_ImplVulkan_InitInfo, required during + initialization to specify the number of in-flight image requested by swap chains. (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). (#2071, #1677) [@nathanvoglsam] diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index 037d4791..ae6bb661 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -192,7 +192,7 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count) } } -static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height) +static void SetupVulkanWindow(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height) { wd->Surface = surface; @@ -226,8 +226,6 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR static void CleanupVulkan() { - ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; - ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator); vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); #ifdef IMGUI_VULKAN_DEBUG_REPORT @@ -240,6 +238,15 @@ static void CleanupVulkan() vkDestroyInstance(g_Instance, g_Allocator); } +static void CleanupVulkanWindow() +{ + // In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_WindowData helpers, + // however you would instead need to call ImGui_ImplVulkan_DestroyFrameRenderBuffers() on each + // ImGui_ImplVulkan_FrameRenderBuffers structure that you own. + ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; + ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator); +} + static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) { VkResult err; @@ -357,7 +364,7 @@ int main(int, char**) glfwGetFramebufferSize(window, &w, &h); glfwSetFramebufferSizeCallback(window, glfw_resize_callback); ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; - SetupVulkanWindowData(wd, surface, w, h); + SetupVulkanWindow(wd, surface, w, h); // Setup Dear ImGui context IMGUI_CHECKVERSION(); @@ -381,7 +388,7 @@ int main(int, char**) init_info.PipelineCache = g_PipelineCache; init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; - init_info.FramesQueueSize = wd->FramesQueueSize; + init_info.MinImageCount = g_MinImageCount; init_info.CheckVkResultFn = check_vk_result; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); @@ -446,7 +453,7 @@ int main(int, char**) if (g_WantSwapChainRebuild) { ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); - ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize); + ImGui_ImplVulkan_SetSwapChainMinImageCount(g_MinImageCount); g_WindowData.FrameIndex = 0; g_WantSwapChainRebuild = false; } @@ -507,6 +514,8 @@ int main(int, char**) ImGui_ImplVulkan_Shutdown(); ImGui_ImplGlfw_Shutdown(); ImGui::DestroyContext(); + + CleanupVulkanWindow(); CleanupVulkan(); glfwDestroyWindow(window); diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index e4721943..58d34448 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -183,7 +183,7 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count) } } -static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height) +static void SetupVulkanWindow(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height) { wd->Surface = surface; @@ -217,8 +217,6 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR static void CleanupVulkan() { - ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; - ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator); vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); #ifdef IMGUI_VULKAN_DEBUG_REPORT @@ -231,6 +229,15 @@ static void CleanupVulkan() vkDestroyInstance(g_Instance, g_Allocator); } +static void CleanupVulkanWindow() +{ + // In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_WindowData helpers, + // however you would instead need to call ImGui_ImplVulkan_DestroyFrameRenderBuffers() on each + // ImGui_ImplVulkan_FrameRenderBuffers structure that you own. + ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; + ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator); +} + static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) { VkResult err; @@ -342,7 +349,7 @@ int main(int, char**) int w, h; SDL_GetWindowSize(window, &w, &h); ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; - SetupVulkanWindowData(wd, surface, w, h); + SetupVulkanWindow(wd, surface, w, h); // Setup Dear ImGui context ImGui::CreateContext(); @@ -364,7 +371,7 @@ int main(int, char**) init_info.PipelineCache = g_PipelineCache; init_info.DescriptorPool = g_DescriptorPool; init_info.Allocator = g_Allocator; - init_info.FramesQueueSize = wd->FramesQueueSize; + init_info.MinImageCount = g_MinImageCount; init_info.CheckVkResultFn = check_vk_result; ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); @@ -443,7 +450,7 @@ int main(int, char**) if (g_WantSwapChainRebuild) { ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount); - ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize); + ImGui_ImplVulkan_SetSwapChainMinImageCount(g_MinImageCount); g_WindowData.FrameIndex = 0; g_WantSwapChainRebuild = false; } @@ -504,6 +511,8 @@ int main(int, char**) ImGui_ImplVulkan_Shutdown(); ImGui_ImplSDL2_Shutdown(); ImGui::DestroyContext(); + + CleanupVulkanWindow(); CleanupVulkan(); SDL_DestroyWindow(window); diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index 25b6428b..afe6dcef 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -21,7 +21,7 @@ // CHANGELOG // (minor and older changes stripped away, please see git history for details) // 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. (The demo helper ImGui_ImplVulkanH_WindowData structure carries them.) -// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetFramesQueueSize() to override FramesQueueSize while running. +// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added MinImageCount field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetSwapChainMinImageCount(). // 2019-XX-XX: Vulkan: Added VkInstance argument to ImGui_ImplVulkanH_CreateWindowData() optional helper. // 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. // 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int). @@ -64,7 +64,6 @@ static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; // Forward Declarations void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator); -void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* frb, const VkAllocationCallbacks* allocator); void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator); @@ -754,7 +753,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend IM_ASSERT(info->Device != VK_NULL_HANDLE); IM_ASSERT(info->Queue != VK_NULL_HANDLE); IM_ASSERT(info->DescriptorPool != VK_NULL_HANDLE); - IM_ASSERT(info->FramesQueueSize >= 2); + IM_ASSERT(info->MinImageCount >= 2); IM_ASSERT(render_pass != VK_NULL_HANDLE); g_VulkanInitInfo = *info; @@ -773,9 +772,24 @@ void ImGui_ImplVulkan_NewFrame() { } -void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size) +// Note: this has no effect in the 'master' branch, but multi-viewports needs this to recreate swap-chains. +void ImGui_ImplVulkan_SetSwapChainMinImageCount(int min_image_count) { - (void)frames_queue_size; + IM_ASSERT(min_image_count >= 2); + g_VulkanInitInfo.MinImageCount = min_image_count; +} + +// This is a public function because we require the user to pass a ImGui_ImplVulkan_FrameRenderBuffers +// structure to ImGui_ImplVulkan_RenderDrawData. +void ImGui_ImplVulkan_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator) +{ + (void)instance; + if (buffers->VertexBuffer) { vkDestroyBuffer(device, buffers->VertexBuffer, allocator); buffers->VertexBuffer = VK_NULL_HANDLE; } + if (buffers->VertexBufferMemory) { vkFreeMemory (device, buffers->VertexBufferMemory, allocator); buffers->VertexBufferMemory = VK_NULL_HANDLE; } + if (buffers->IndexBuffer) { vkDestroyBuffer(device, buffers->IndexBuffer, allocator); buffers->IndexBuffer = VK_NULL_HANDLE; } + if (buffers->IndexBufferMemory) { vkFreeMemory (device, buffers->IndexBufferMemory, allocator); buffers->IndexBufferMemory = VK_NULL_HANDLE; } + buffers->VertexBufferSize = 0; + buffers->IndexBufferSize = 0; } @@ -910,7 +924,6 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhy } } -// MinImageCount will usually turn into FramesQueueSize int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode) { if (present_mode == VK_PRESENT_MODE_MAILBOX_KHR) @@ -984,6 +997,7 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysical err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->FramesQueueSize, NULL); check_vk_result(err); VkImage backbuffers[16] = {}; + IM_ASSERT(wd->FramesQueueSize >= min_image_count); IM_ASSERT(wd->FramesQueueSize < IM_ARRAYSIZE(backbuffers)); err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->FramesQueueSize, backbuffers); check_vk_result(err); @@ -1114,16 +1128,6 @@ void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, Im vkDestroyImageView(device, fd->BackbufferView, allocator); vkDestroyFramebuffer(device, fd->Framebuffer, allocator); - ImGui_ImplVulkanH_DestroyFrameRenderBuffers(instance, device, &fd->RenderBuffers, allocator); + ImGui_ImplVulkan_DestroyFrameRenderBuffers(instance, device, &fd->RenderBuffers, allocator); } -void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* frb, const VkAllocationCallbacks* allocator) -{ - (void)instance; - if (frb->VertexBuffer) { vkDestroyBuffer(device, frb->VertexBuffer, allocator); frb->VertexBuffer = VK_NULL_HANDLE; } - if (frb->VertexBufferMemory) { vkFreeMemory (device, frb->VertexBufferMemory, allocator); frb->VertexBufferMemory = VK_NULL_HANDLE; } - if (frb->IndexBuffer) { vkDestroyBuffer(device, frb->IndexBuffer, allocator); frb->IndexBuffer = VK_NULL_HANDLE; } - if (frb->IndexBufferMemory) { vkFreeMemory (device, frb->IndexBufferMemory, allocator); frb->IndexBufferMemory = VK_NULL_HANDLE; } - frb->VertexBufferSize = 0; - frb->IndexBufferSize = 0; -} diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index 334910f6..4e62ec8a 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -33,7 +33,7 @@ struct ImGui_ImplVulkan_InitInfo VkQueue Queue; VkPipelineCache PipelineCache; VkDescriptorPool DescriptorPool; - int FramesQueueSize; // >= 2, generally matches the image count returned by vkGetSwapchainImagesKHR + int MinImageCount; // >= 2 const VkAllocationCallbacks* Allocator; void (*CheckVkResultFn)(VkResult err); }; @@ -56,10 +56,11 @@ struct ImGui_ImplVulkan_FrameRenderBuffers IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass); IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); -IMGUI_IMPL_API void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size); // To override FramesQueueSize after initialization IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer, ImGui_ImplVulkan_FrameRenderBuffers* buffers); IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects(); +IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator); +IMGUI_IMPL_API void ImGui_ImplVulkan_SetSwapChainMinImageCount(int frames_queue_size); // To override MinImageCount after initialization // Called by ImGui_ImplVulkan_Init(), might be useful elsewhere. IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects(); From 0034e65c26204aee147ca130b5fe1b1052dea6fa Mon Sep 17 00:00:00 2001 From: omar Date: Thu, 4 Apr 2019 23:28:29 +0200 Subject: [PATCH 10/10] Vulkan: Renaming demo/helper structures. Tidying up examples main.cpp. --- docs/CHANGELOG.txt | 4 +- examples/example_glfw_vulkan/main.cpp | 66 ++++++++++++++------------- examples/example_sdl_vulkan/main.cpp | 62 +++++++++++++------------ examples/imgui_impl_vulkan.cpp | 40 ++++++++-------- examples/imgui_impl_vulkan.h | 41 +++++++++-------- 5 files changed, 110 insertions(+), 103 deletions(-) diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index b4f17df9..7f038134 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -36,10 +36,12 @@ HOW TO UPDATE? Breaking Changes: - Examples: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. - (The demo helper ImGui_ImplVulkanH_WindowData structure carries them.) (#2461, #2348, #2378, #2097) + (The demo helper ImGui_ImplVulkanH_Window structure carries them.) (#2461, #2348, #2378, #2097) - Examples: Vulkan: Added MinImageCount field in ImGui_ImplVulkan_InitInfo, required during initialization to specify the number of in-flight image requested by swap chains. (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). (#2071, #1677) [@nathanvoglsam] +- Examples: Vulkan: Tidying up the demo/internals helpers (most engine/app should not rely + on them but it is possible you have!). Other Changes: diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index ae6bb661..7a9a4502 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -30,20 +30,21 @@ #define IMGUI_VULKAN_DEBUG_REPORT #endif -static VkAllocationCallbacks* g_Allocator = NULL; -static VkInstance g_Instance = VK_NULL_HANDLE; -static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static uint32_t g_QueueFamily = (uint32_t)-1; -static VkQueue g_Queue = VK_NULL_HANDLE; -static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; - -static ImGui_ImplVulkanH_WindowData g_WindowData; -static int g_MinImageCount = 2; -static bool g_WantSwapChainRebuild = false; -static int g_ResizeWidth = 0, g_ResizeHeight = 0; +static VkAllocationCallbacks* g_Allocator = NULL; +static VkInstance g_Instance = VK_NULL_HANDLE; +static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static uint32_t g_QueueFamily = (uint32_t)-1; +static VkQueue g_Queue = VK_NULL_HANDLE; +static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; + +static ImGui_ImplVulkanH_Window g_WindowData; +static int g_MinImageCount = 2; +static bool g_SwapChainRebuild = false; +static int g_SwapChainResizeWidth = 0; +static int g_SwapChainResizeHeight = 0; static void check_vk_result(VkResult err) { @@ -192,7 +193,7 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count) } } -static void SetupVulkanWindow(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height) +static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height) { wd->Surface = surface; @@ -220,8 +221,8 @@ static void SetupVulkanWindow(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR sur //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); // Create SwapChain, RenderPass, Framebuffer, etc. - ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); - IM_ASSERT(wd->FramesQueueSize >= 2); + IM_ASSERT(g_MinImageCount >= 2); + ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); } static void CleanupVulkan() @@ -240,14 +241,14 @@ static void CleanupVulkan() static void CleanupVulkanWindow() { - // In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_WindowData helpers, + // In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_Window helpers, // however you would instead need to call ImGui_ImplVulkan_DestroyFrameRenderBuffers() on each // ImGui_ImplVulkan_FrameRenderBuffers structure that you own. - ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; - ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator); + ImGui_ImplVulkanH_Window* wd = &g_WindowData; + ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, wd, g_Allocator); } -static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) +static void FrameRender(ImGui_ImplVulkanH_Window* wd) { VkResult err; @@ -255,7 +256,7 @@ static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex); check_vk_result(err); - ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[wd->FrameIndex]; + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex]; { err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX); // wait indefinitely instead of periodically checking check_vk_result(err); @@ -308,9 +309,9 @@ static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) } } -static void FramePresent(ImGui_ImplVulkanH_WindowData* wd) +static void FramePresent(ImGui_ImplVulkanH_Window* wd) { - ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[wd->FrameIndex]; + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex]; VkPresentInfoKHR info = {}; info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; info.waitSemaphoreCount = 1; @@ -329,14 +330,14 @@ static void glfw_error_callback(int error, const char* description) static void glfw_resize_callback(GLFWwindow*, int w, int h) { - g_WantSwapChainRebuild = true; - g_ResizeWidth = w; - g_ResizeHeight = h; + g_SwapChainRebuild = true; + g_SwapChainResizeWidth = w; + g_SwapChainResizeHeight = h; } int main(int, char**) { - // Setup window + // Setup GLFW window glfwSetErrorCallback(glfw_error_callback); if (!glfwInit()) return 1; @@ -363,7 +364,7 @@ int main(int, char**) int w, h; glfwGetFramebufferSize(window, &w, &h); glfwSetFramebufferSizeCallback(window, glfw_resize_callback); - ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; + ImGui_ImplVulkanH_Window* wd = &g_WindowData; SetupVulkanWindow(wd, surface, w, h); // Setup Dear ImGui context @@ -450,12 +451,13 @@ int main(int, char**) // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. glfwPollEvents(); - if (g_WantSwapChainRebuild) + + if (g_SwapChainRebuild) { - ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount); + g_SwapChainRebuild = false; + ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_SwapChainResizeWidth, g_SwapChainResizeHeight, g_MinImageCount); ImGui_ImplVulkan_SetSwapChainMinImageCount(g_MinImageCount); g_WindowData.FrameIndex = 0; - g_WantSwapChainRebuild = false; } // Start the Dear ImGui frame diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp index 58d34448..2e7e6c6e 100644 --- a/examples/example_sdl_vulkan/main.cpp +++ b/examples/example_sdl_vulkan/main.cpp @@ -22,19 +22,21 @@ #define IMGUI_VULKAN_DEBUG_REPORT #endif -static VkAllocationCallbacks* g_Allocator = NULL; -static VkInstance g_Instance = VK_NULL_HANDLE; -static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static uint32_t g_QueueFamily = (uint32_t)-1; -static VkQueue g_Queue = VK_NULL_HANDLE; -static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; - -static ImGui_ImplVulkanH_WindowData g_WindowData; -static uint32_t g_MinImageCount = 2; -static bool g_WantSwapChainRebuild = false; +static VkAllocationCallbacks* g_Allocator = NULL; +static VkInstance g_Instance = VK_NULL_HANDLE; +static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static uint32_t g_QueueFamily = (uint32_t)-1; +static VkQueue g_Queue = VK_NULL_HANDLE; +static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; + +static ImGui_ImplVulkanH_Window g_WindowData; +static uint32_t g_MinImageCount = 2; +static bool g_SwapChainRebuild = false; +static int g_SwapChainResizeWidth = 0; +static int g_SwapChainResizeHeight = 0; static void check_vk_result(VkResult err) { @@ -183,7 +185,7 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count) } } -static void SetupVulkanWindow(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height) +static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height) { wd->Surface = surface; @@ -211,8 +213,8 @@ static void SetupVulkanWindow(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR sur //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); // Create SwapChain, RenderPass, Framebuffer, etc. - ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); - IM_ASSERT(wd->FramesQueueSize >= 2); + IM_ASSERT(g_MinImageCount >= 2); + ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); } static void CleanupVulkan() @@ -231,14 +233,14 @@ static void CleanupVulkan() static void CleanupVulkanWindow() { - // In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_WindowData helpers, + // In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_Window helpers, // however you would instead need to call ImGui_ImplVulkan_DestroyFrameRenderBuffers() on each // ImGui_ImplVulkan_FrameRenderBuffers structure that you own. - ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; - ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator); + ImGui_ImplVulkanH_Window* wd = &g_WindowData; + ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, wd, g_Allocator); } -static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) +static void FrameRender(ImGui_ImplVulkanH_Window* wd) { VkResult err; @@ -246,7 +248,7 @@ static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex); check_vk_result(err); - ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[wd->FrameIndex]; + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex]; { err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX); // wait indefinitely instead of periodically checking check_vk_result(err); @@ -299,9 +301,9 @@ static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) } } -static void FramePresent(ImGui_ImplVulkanH_WindowData* wd) +static void FramePresent(ImGui_ImplVulkanH_Window* wd) { - ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[wd->FrameIndex]; + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex]; VkPresentInfoKHR info = {}; info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; info.waitSemaphoreCount = 1; @@ -348,7 +350,7 @@ int main(int, char**) // Create Framebuffers int w, h; SDL_GetWindowSize(window, &w, &h); - ImGui_ImplVulkanH_WindowData* wd = &g_WindowData; + ImGui_ImplVulkanH_Window* wd = &g_WindowData; SetupVulkanWindow(wd, surface, w, h); // Setup Dear ImGui context @@ -441,18 +443,18 @@ int main(int, char**) done = true; if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window)) { - g_WindowData.Width = (int)event.window.data1; - g_WindowData.Height = (int)event.window.data2; - g_WantSwapChainRebuild = true; + g_SwapChainResizeWidth = (int)event.window.data1; + g_SwapChainResizeHeight = (int)event.window.data2; + g_SwapChainRebuild = true; } } - if (g_WantSwapChainRebuild) + if (g_SwapChainRebuild) { - ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount); + g_SwapChainRebuild = false; + ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_SwapChainResizeWidth, g_SwapChainResizeHeight, g_MinImageCount); ImGui_ImplVulkan_SetSwapChainMinImageCount(g_MinImageCount); g_WindowData.FrameIndex = 0; - g_WantSwapChainRebuild = false; } // Start the Dear ImGui frame diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp index afe6dcef..edf4848b 100644 --- a/examples/imgui_impl_vulkan.cpp +++ b/examples/imgui_impl_vulkan.cpp @@ -20,9 +20,9 @@ // CHANGELOG // (minor and older changes stripped away, please see git history for details) -// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. (The demo helper ImGui_ImplVulkanH_WindowData structure carries them.) +// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. (The demo helper ImGui_ImplVulkanH_Window structure carries them.) // 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added MinImageCount field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetSwapChainMinImageCount(). -// 2019-XX-XX: Vulkan: Added VkInstance argument to ImGui_ImplVulkanH_CreateWindowData() optional helper. +// 2019-XX-XX: Vulkan: Added VkInstance argument to ImGui_ImplVulkanH_CreateWindow() optional helper. // 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. // 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int). // 2019-02-16: Vulkan: Viewport and clipping rectangles correctly using draw_data->FramebufferScale to allow retina display. @@ -63,9 +63,9 @@ static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; // Forward Declarations -void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator); -void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); -void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_DestroyFrame(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_CreateWindowSwapChain(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator); //----------------------------------------------------------------------------- // SHADERS @@ -877,7 +877,7 @@ VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_d return VK_PRESENT_MODE_FIFO_KHR; // Always available } -void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator) +void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator) { IM_ASSERT(instance != VK_NULL_HANDLE && physical_device != VK_NULL_HANDLE && device != VK_NULL_HANDLE); (void)instance; @@ -888,7 +888,7 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhy VkResult err; for (uint32_t i = 0; i < wd->FramesQueueSize; i++) { - ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; { VkCommandPoolCreateInfo info = {}; info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; @@ -937,17 +937,17 @@ int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_m } // Also destroy old swap chain and in-flight frames data, if any. -void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) +void ImGui_ImplVulkanH_CreateWindowSwapChain(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) { VkResult err; VkSwapchainKHR old_swapchain = wd->Swapchain; err = vkDeviceWaitIdle(device); check_vk_result(err); - // We don't use ImGui_ImplVulkanH_DestroyWindowData() because we want to preserve the old swapchain to create the new one. + // We don't use ImGui_ImplVulkanH_DestroyWindow() because we want to preserve the old swapchain to create the new one. // Destroy old Framebuffer for (uint32_t i = 0; i < wd->FramesQueueSize; i++) - ImGui_ImplVulkanH_DestroyFrameData(instance, device, &wd->Frames[i], allocator); + ImGui_ImplVulkanH_DestroyFrame(instance, device, &wd->Frames[i], allocator); delete[] wd->Frames; wd->Frames = NULL; wd->FramesQueueSize = 0; @@ -1003,7 +1003,7 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysical check_vk_result(err); IM_ASSERT(wd->Frames == NULL); - wd->Frames = new ImGui_ImplVulkanH_FrameData[wd->FramesQueueSize]; + wd->Frames = new ImGui_ImplVulkanH_Frame[wd->FramesQueueSize]; memset(wd->Frames, 0, sizeof(wd->Frames[0]) * wd->FramesQueueSize); for (uint32_t i = 0; i < wd->FramesQueueSize; i++) wd->Frames[i].Backbuffer = backbuffers[i]; @@ -1062,7 +1062,7 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysical info.subresourceRange = image_range; for (uint32_t i = 0; i < wd->FramesQueueSize; i++) { - ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; info.image = fd->Backbuffer; err = vkCreateImageView(device, &info, allocator, &fd->BackbufferView); check_vk_result(err); @@ -1082,7 +1082,7 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysical info.layers = 1; for (uint32_t i = 0; i < wd->FramesQueueSize; i++) { - ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; attachment[0] = fd->BackbufferView; err = vkCreateFramebuffer(device, &info, allocator, &fd->Framebuffer); check_vk_result(err); @@ -1090,29 +1090,29 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysical } } -void ImGui_ImplVulkanH_CreateWindowData(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count) +void ImGui_ImplVulkanH_CreateWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count) { - ImGui_ImplVulkanH_CreateWindowDataSwapChain(instance, physical_device, device, wd, allocator, width, height, min_image_count); - ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(instance, physical_device, device, wd, queue_family, allocator); + ImGui_ImplVulkanH_CreateWindowSwapChain(instance, physical_device, device, wd, allocator, width, height, min_image_count); + ImGui_ImplVulkanH_CreateWindowCommandBuffers(instance, physical_device, device, wd, queue_family, allocator); } -void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator) +void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator) { vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals) //vkQueueWaitIdle(g_Queue); for (uint32_t i = 0; i < wd->FramesQueueSize; i++) - ImGui_ImplVulkanH_DestroyFrameData(instance, device, &wd->Frames[i], allocator); + ImGui_ImplVulkanH_DestroyFrame(instance, device, &wd->Frames[i], allocator); delete[] wd->Frames; wd->Frames = NULL; vkDestroyRenderPass(device, wd->RenderPass, allocator); vkDestroySwapchainKHR(device, wd->Swapchain, allocator); vkDestroySurfaceKHR(instance, wd->Surface, allocator); - *wd = ImGui_ImplVulkanH_WindowData(); + *wd = ImGui_ImplVulkanH_Window(); } -void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator) +void ImGui_ImplVulkanH_DestroyFrame(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator) { (void)instance; vkDestroyFence(device, fd->Fence, allocator); diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h index 4e62ec8a..0a770afa 100644 --- a/examples/imgui_impl_vulkan.h +++ b/examples/imgui_impl_vulkan.h @@ -26,16 +26,16 @@ // [Please zero-clear before use!] struct ImGui_ImplVulkan_InitInfo { - VkInstance Instance; - VkPhysicalDevice PhysicalDevice; - VkDevice Device; - uint32_t QueueFamily; - VkQueue Queue; - VkPipelineCache PipelineCache; - VkDescriptorPool DescriptorPool; - int MinImageCount; // >= 2 - const VkAllocationCallbacks* Allocator; - void (*CheckVkResultFn)(VkResult err); + VkInstance Instance; + VkPhysicalDevice PhysicalDevice; + VkDevice Device; + uint32_t QueueFamily; + VkQueue Queue; + VkPipelineCache PipelineCache; + VkDescriptorPool DescriptorPool; + int MinImageCount; // >= 2 + const VkAllocationCallbacks* Allocator; + void (*CheckVkResultFn)(VkResult err); }; // Reusable buffers used for rendering by current in-flight frame, for ImGui_ImplVulkan_RenderDrawData() @@ -83,19 +83,20 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyDeviceObjects(); // (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) //------------------------------------------------------------------------- -struct ImGui_ImplVulkanH_FrameData; -struct ImGui_ImplVulkanH_WindowData; +struct ImGui_ImplVulkanH_Frame; +struct ImGui_ImplVulkanH_Window; -IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowData(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); -IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator); +// Helpers +IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wnd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Window* wnd, const VkAllocationCallbacks* allocator); IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space); IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count); IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode); // Helper structure to hold the data needed by one rendering frame -// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own app.) +// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own engine/app.) // [Please zero-clear before use!] -struct ImGui_ImplVulkanH_FrameData +struct ImGui_ImplVulkanH_Frame { VkCommandPool CommandPool; VkCommandBuffer CommandBuffer; @@ -109,8 +110,8 @@ struct ImGui_ImplVulkanH_FrameData }; // Helper structure to hold the data needed by one rendering context into one OS window -// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own app.) -struct ImGui_ImplVulkanH_WindowData +// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own engine/app.) +struct ImGui_ImplVulkanH_Window { int Width; int Height; @@ -123,9 +124,9 @@ struct ImGui_ImplVulkanH_WindowData VkClearValue ClearValue; uint32_t FrameIndex; // Current frame being rendered to (0 <= FrameIndex < FrameInFlightCount) uint32_t FramesQueueSize; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR, usually derived from min_image_count) - ImGui_ImplVulkanH_FrameData* Frames; + ImGui_ImplVulkanH_Frame* Frames; - ImGui_ImplVulkanH_WindowData() + ImGui_ImplVulkanH_Window() { memset(this, 0, sizeof(*this)); PresentMode = VK_PRESENT_MODE_MAX_ENUM_KHR;