1bf215546Sopenharmony_ci// ImGui Renderer for: OpenGL3 (modern OpenGL with shaders / programmatic pipeline) 2bf215546Sopenharmony_ci// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) 3bf215546Sopenharmony_ci// (Note: We are using GL3W as a helper library to access OpenGL functions since there is no standard header to access modern OpenGL functions easily. Alternatives are GLEW, Glad, etc..) 4bf215546Sopenharmony_ci 5bf215546Sopenharmony_ci// Implemented features: 6bf215546Sopenharmony_ci// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. 7bf215546Sopenharmony_ci 8bf215546Sopenharmony_ci// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. 9bf215546Sopenharmony_ci// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. 10bf215546Sopenharmony_ci// https://github.com/ocornut/imgui 11bf215546Sopenharmony_ci 12bf215546Sopenharmony_ci// About GLSL version: 13bf215546Sopenharmony_ci// The 'glsl_version' initialization parameter defaults to "#version 130" if NULL. 14bf215546Sopenharmony_ci// Only override if your GL version doesn't handle this GLSL version (see table at the top of imgui_impl_opengl3.cpp). Keep NULL if unsure! 15bf215546Sopenharmony_ci 16bf215546Sopenharmony_ciIMGUI_IMPL_API bool ImGui_ImplOpenGL3_Init(const char* glsl_version = NULL); 17bf215546Sopenharmony_ciIMGUI_IMPL_API void ImGui_ImplOpenGL3_Shutdown(); 18bf215546Sopenharmony_ciIMGUI_IMPL_API void ImGui_ImplOpenGL3_NewFrame(); 19bf215546Sopenharmony_ciIMGUI_IMPL_API void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data); 20bf215546Sopenharmony_ci 21bf215546Sopenharmony_ci// Called by Init/NewFrame/Shutdown 22bf215546Sopenharmony_ciIMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateFontsTexture(); 23bf215546Sopenharmony_ciIMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyFontsTexture(); 24bf215546Sopenharmony_ciIMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateDeviceObjects(); 25bf215546Sopenharmony_ciIMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyDeviceObjects(); 26