// ImGui SDL2 binding with OpenGL3 // https://github.com/ocornut/imgui struct SDL_Window; typedef union SDL_Event SDL_Event; IMGUI_API bool ImGui_ImplSdlGL3_Init(SDL_Window *window); IMGUI_API void ImGui_ImplSdlGL3_Shutdown(); IMGUI_API void ImGui_ImplSdlGL3_NewFrame(SDL_Window *window); IMGUI_API bool ImGui_ImplSdlGL3_ProcessEvent(SDL_Event* event); // Use if you want to reset your rendering device without losing ImGui state. IMGUI_API void ImGui_ImplSdlGL3_InvalidateDeviceObjects(); IMGUI_API bool ImGui_ImplSdlGL3_CreateDeviceObjects();