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48 lines
2.4 KiB
C++
48 lines
2.4 KiB
C++
// dear imgui: Renderer for modern OpenGL with shaders / programmatic pipeline
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// - Desktop GL: 2.x 3.x 4.x
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// - Embedded GL: ES 2.0 (WebGL 1.0), ES 3.0 (WebGL 2.0)
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// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..)
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
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// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bit indices.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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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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// About Desktop OpenGL function loaders:
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// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers.
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// Helper libraries are often used for this purpose! Here we are supporting a few common ones (gl3w, glew, glad).
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// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own.
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// About GLSL version:
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// The 'glsl_version' initialization parameter should be NULL (default) or a "#version XXX" string.
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// On computer platform the GLSL version default to "#version 130". On OpenGL ES 3 platform it defaults to "#version 300 es"
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// Only override if your GL version doesn't handle this GLSL version. See GLSL version table at the top of imgui_impl_opengl3.cpp.
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#pragma once
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#ifndef MANGOHUD_IMGUI_IMPL_OPENGL3_H
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#define MANGOHUD_IMGUI_IMPL_OPENGL3_H
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namespace MangoHud {
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void GetOpenGLVersion(int& major, int& minor, bool& isGLES);
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// Backend API
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IMGUI_IMPL_API bool ImGui_ImplOpenGL3_Init(const char* glsl_version = nullptr);
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IMGUI_IMPL_API void ImGui_ImplOpenGL3_Shutdown();
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IMGUI_IMPL_API void ImGui_ImplOpenGL3_NewFrame();
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IMGUI_IMPL_API void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data);
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IMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateFontsTexture();
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// (Optional) Called by Init/NewFrame/Shutdown
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//IMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateFontsTexture();
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//IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyFontsTexture();
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//IMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateDeviceObjects();
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//IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyDeviceObjects();
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}
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#endif //MANGOHUD_IMGUI_IMPL_OPENGL3_H
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