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Vulkan: Removed requirement for user to pass their own render buffer storage to ImGui_ImplVulkan_RenderDrawData(), this is managed internally.

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This commit is contained in:
omar
2019-04-05 17:48:47 +02:00
parent ec76722d2d
commit 452047c7ca
5 changed files with 103 additions and 69 deletions
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22
examples/imgui_impl_vulkan.h
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@ -39,29 +39,14 @@ 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_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer, ImGui_ImplVulkan_FrameRenderBuffers* buffers);
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_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 min_image_count); // To override MinImageCount after initialization
IMGUI_IMPL_API void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count); // To override MinImageCount after initialization (e.g. if swap chain is recreated)
// Called by ImGui_ImplVulkan_Init(), might be useful elsewhere.
IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects();
@ -105,7 +90,6 @@ struct ImGui_ImplVulkanH_Frame
VkImage Backbuffer;
VkImageView BackbufferView;
VkFramebuffer Framebuffer;
ImGui_ImplVulkan_FrameRenderBuffers RenderBuffers;
};
struct ImGui_ImplVulkanH_FrameSemaphores
@ -132,7 +116,7 @@ struct ImGui_ImplVulkanH_Window
uint32_t SemaphoreIndex; // Current set of swapchain wait semaphores we're using (needs to be distinct from per frame data)
ImGui_ImplVulkanH_Frame* Frames;
ImGui_ImplVulkanH_FrameSemaphores* FrameSemaphores;
ImGui_ImplVulkanH_Window()
{
memset(this, 0, sizeof(*this));