Examples: imgui_impl_vulkan: Comments
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// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
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// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
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// https://github.com/ocornut/imgui
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// https://github.com/ocornut/imgui
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// The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification.
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// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/
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// CHANGELOG
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// (minor and older changes stripped away, please see git history for details)
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// 2018-06-22: Inverted the parameters to ImGui_ImplVulkan_RenderDrawData() to be consistent with other bindings.
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// 2018-06-22: Inverted the parameters to ImGui_ImplVulkan_RenderDrawData() to be consistent with other bindings.
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@ -214,8 +217,8 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
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// Upload Vertex and index Data:
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// Upload Vertex and index Data:
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{
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{
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ImDrawVert* vtx_dst;
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ImDrawVert* vtx_dst = NULL;
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ImDrawIdx* idx_dst;
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ImDrawIdx* idx_dst = NULL;
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err = vkMapMemory(g_Device, fd->VertexBufferMemory, 0, vertex_size, 0, (void**)(&vtx_dst));
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err = vkMapMemory(g_Device, fd->VertexBufferMemory, 0, vertex_size, 0, (void**)(&vtx_dst));
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check_vk_result(err);
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check_vk_result(err);
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err = vkMapMemory(g_Device, fd->IndexBufferMemory, 0, index_size, 0, (void**)(&idx_dst));
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err = vkMapMemory(g_Device, fd->IndexBufferMemory, 0, index_size, 0, (void**)(&idx_dst));
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@ -724,7 +727,13 @@ void ImGui_ImplVulkan_NewFrame()
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}
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}
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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// Miscellaneous Vulkan Helpers
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// Optional / Miscellaneous Vulkan Helpers
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//-------------------------------------------------------------------------
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// - Those functions do NOT use any of the state used/affected by the regular ImGui_ImplVulkan_XXX functions.
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// - If your application/engine already has code to create all that stuff (swap chain, render pass, frame buffers, etc.) you may ignore those.
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// - Those functions are used by the example main.cpp and will be used by imgui_impl_vulkan.cpp in the upcoming multi-viewport branch (1.70).
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// Generally we try to not provide any kind of superfluous high-level helpers in the examples, but it is too much code to duplicate
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// in the main.cpp of every examples. Since the upcoming multi-viewport will need these, we include them here.
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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#include <stdlib.h> // malloc
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#include <stdlib.h> // malloc
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@ -8,9 +8,12 @@
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// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
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// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
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// https://github.com/ocornut/imgui
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// https://github.com/ocornut/imgui
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// The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification.
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// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/
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#include <vulkan/vulkan.h>
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#include <vulkan/vulkan.h>
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#define IMGUI_VK_QUEUED_FRAMES 2
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#define IMGUI_VK_QUEUED_FRAMES 2
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struct ImGui_ImplVulkan_InitInfo
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struct ImGui_ImplVulkan_InitInfo
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{
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{
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@ -25,24 +28,26 @@ struct ImGui_ImplVulkan_InitInfo
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void (*CheckVkResultFn)(VkResult err);
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void (*CheckVkResultFn)(VkResult err);
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};
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};
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// Called by user code
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IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass);
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IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass);
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IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown();
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IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown();
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IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame();
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IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame();
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IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer);
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IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer);
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// Called by Init/NewFrame/Shutdown
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IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects();
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IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateDeviceObjects();
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IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer);
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IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer);
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IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects();
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// Called by ImGui_ImplVulkan_Init()
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IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects();
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IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects();
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IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateDeviceObjects();
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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// Miscellaneous Vulkan Helpers
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// Optional / Miscellaneous Vulkan Helpers
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// Generally we try to NOT provide any kind of superfluous high-level helpers in the examples.
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// But for the upcoming multi-viewport feature, the Vulkan will need this code anyway, so we decided to shared it and use it in the examples' main.cpp
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// If your application/engine already has code to create all that data (swap chain, render pass, frame buffers, etc.) you can ignore all of this.
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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// NB: Those functions do NOT use any of the state used/affected by the regular ImGui_ImplVulkan_XXX functions.
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// - Those functions do NOT use any of the state used/affected by the regular ImGui_ImplVulkan_XXX functions.
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// - If your application/engine already has code to create all that stuff (swap chain, render pass, frame buffers, etc.) you may ignore those.
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// - Those functions are used by the example main.cpp and will be used by imgui_impl_vulkan.cpp in the upcoming multi-viewport branch (1.70).
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// Generally we try to not provide any kind of superfluous high-level helpers in the examples, but it is too much code to duplicate
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// in the main.cpp of every examples. Since the upcoming multi-viewport will need these, we include them here.
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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struct ImGui_ImplVulkanH_FrameData;
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struct ImGui_ImplVulkanH_FrameData;
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