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path: root/3rdparty/imgui/backend/imgui_impl_metal.h
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// dear imgui: Renderer Backend for Metal
// This needs to be used along with a Platform Backend (e.g. OSX)

// Implemented features:
//  [X] Renderer: User texture binding. Use 'MTLTexture' as ImTextureID. Read the FAQ about ImTextureID!
//  [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices.

// You can copy and use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
// Read online: https://github.com/ocornut/imgui/tree/master/docs

#include "imgui.h"      // IMGUI_IMPL_API

@class MTLRenderPassDescriptor;
@protocol MTLDevice, MTLCommandBuffer, MTLRenderCommandEncoder;

IMGUI_IMPL_API bool ImGui_ImplMetal_Init(id<MTLDevice> device);
IMGUI_IMPL_API void ImGui_ImplMetal_Shutdown();
IMGUI_IMPL_API void ImGui_ImplMetal_NewFrame(MTLRenderPassDescriptor* renderPassDescriptor);
IMGUI_IMPL_API void ImGui_ImplMetal_RenderDrawData(ImDrawData* draw_data,
                                                   id<MTLCommandBuffer> commandBuffer,
                                                   id<MTLRenderCommandEncoder> commandEncoder);

// Called by Init/NewFrame/Shutdown
IMGUI_IMPL_API bool ImGui_ImplMetal_CreateFontsTexture(id<MTLDevice> device);
IMGUI_IMPL_API void ImGui_ImplMetal_DestroyFontsTexture();
IMGUI_IMPL_API bool ImGui_ImplMetal_CreateDeviceObjects(id<MTLDevice> device);
IMGUI_IMPL_API void ImGui_ImplMetal_DestroyDeviceObjects();