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31 lines
1.7 KiB
C
31 lines
1.7 KiB
C
// dear imgui: Renderer for OpenGL2 (legacy OpenGL, fixed pipeline)
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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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// 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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// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)**
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// **Prefer using the code in imgui_impl_opengl3.cpp**
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// This code is mostly provided as a reference to learn how ImGui integration works, because it is shorter to read.
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// If your code is using GL3+ context or any semi modern OpenGL calls, using this is likely to make everything more
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// complicated, will require your code to reset every single OpenGL attributes to their initial state, and might
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// confuse your GPU driver.
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// The GL2 code is unable to reset attributes or even call e.g. "glUseProgram(0)" because they don't exist in that API.
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#pragma once
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IMGUI_IMPL_API bool ImGui_ImplOpenGL2_Init();
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IMGUI_IMPL_API void ImGui_ImplOpenGL2_Shutdown();
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IMGUI_IMPL_API void ImGui_ImplOpenGL2_NewFrame();
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IMGUI_IMPL_API void ImGui_ImplOpenGL2_RenderDrawData(ImDrawData* draw_data);
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// Called by Init/NewFrame/Shutdown
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IMGUI_IMPL_API bool ImGui_ImplOpenGL2_CreateFontsTexture();
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IMGUI_IMPL_API void ImGui_ImplOpenGL2_DestroyFontsTexture();
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IMGUI_IMPL_API bool ImGui_ImplOpenGL2_CreateDeviceObjects();
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IMGUI_IMPL_API void ImGui_ImplOpenGL2_DestroyDeviceObjects();
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