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diff --git a/imgui-1.92.1/examples/example_glut_opengl2/main.cpp b/imgui-1.92.1/examples/example_glut_opengl2/main.cpp
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--- a/imgui-1.92.1/examples/example_glut_opengl2/main.cpp
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-// Dear ImGui: standalone example application for GLUT/FreeGLUT + OpenGL2, using legacy fixed pipeline
-
-// Learn about Dear ImGui:
-// - FAQ                  https://dearimgui.com/faq
-// - Getting Started      https://dearimgui.com/getting-started
-// - Documentation        https://dearimgui.com/docs (same as your local docs/ folder).
-// - Introduction, links and more at the top of imgui.cpp
-
-// !!! GLUT/FreeGLUT IS OBSOLETE PREHISTORIC SOFTWARE. Using GLUT is not recommended unless you really miss the 90's. !!!
-// !!! If someone or something is teaching you GLUT today, you are being abused. Please show some resistance. !!!
-// !!! Nowadays, prefer using GLFW or SDL instead!
-
-// On Windows, you can install Freeglut using vcpkg:
-//   git clone https://github.com/Microsoft/vcpkg
-//   cd vcpkg
-//   bootstrap - vcpkg.bat
-//   vcpkg install freeglut --triplet=x86-windows   ; for win32
-//   vcpkg install freeglut --triplet=x64-windows   ; for win64
-//   vcpkg integrate install                        ; register include and libs in Visual Studio
-
-#include "imgui.h"
-#include "imgui_impl_glut.h"
-#include "imgui_impl_opengl2.h"
-#define GL_SILENCE_DEPRECATION
-#ifdef __APPLE__
-#include <GLUT/glut.h>
-#else
-#include <GL/freeglut.h>
-#endif
-
-#ifdef _MSC_VER
-#pragma warning (disable: 4505) // unreferenced local function has been removed
-#endif
-
-// Forward declarations of helper functions
-void MainLoopStep();
-
-// Our state
-static bool show_demo_window = true;
-static bool show_another_window = false;
-static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
-
-int main(int argc, char** argv)
-{
-    // Create GLUT window
-    glutInit(&argc, argv);
-#ifdef __FREEGLUT_EXT_H__
-    glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_GLUTMAINLOOP_RETURNS);
-#endif
-    glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_MULTISAMPLE);
-    glutInitWindowSize(1280, 720);
-    glutCreateWindow("Dear ImGui GLUT+OpenGL2 Example");
-
-    // Setup GLUT display function
-    // We will also call ImGui_ImplGLUT_InstallFuncs() to get all the other functions installed for us,
-    // otherwise it is possible to install our own functions and call the imgui_impl_glut.h functions ourselves.
-    glutDisplayFunc(MainLoopStep);
-
-    // Setup Dear ImGui context
-    IMGUI_CHECKVERSION();
-    ImGui::CreateContext();
-    ImGuiIO& io = ImGui::GetIO(); (void)io;
-    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
-
-    // Setup Dear ImGui style
-    ImGui::StyleColorsDark();
-    //ImGui::StyleColorsLight();
-
-    // Setup Platform/Renderer backends
-    // FIXME: Consider reworking this example to install our own GLUT funcs + forward calls ImGui_ImplGLUT_XXX ones, instead of using ImGui_ImplGLUT_InstallFuncs().
-    ImGui_ImplGLUT_Init();
-    ImGui_ImplOpenGL2_Init();
-
-    // Install GLUT handlers (glutReshapeFunc(), glutMotionFunc(), glutPassiveMotionFunc(), glutMouseFunc(), glutKeyboardFunc() etc.)
-    // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
-    // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data.
-    // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
-    // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
-    ImGui_ImplGLUT_InstallFuncs();
-
-
-    // Load Fonts
-    // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
-    // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
-    // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
-    // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering.
-    // - Read 'docs/FONTS.md' for more instructions and details.
-    // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
-    //style.FontSizeBase = 20.0f;
-    //io.Fonts->AddFontDefault();
-    //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf");
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf");
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf");
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf");
-    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf");
-    //IM_ASSERT(font != nullptr);
-
-    // Main loop
-    glutMainLoop();
-
-    // Cleanup
-    ImGui_ImplOpenGL2_Shutdown();
-    ImGui_ImplGLUT_Shutdown();
-    ImGui::DestroyContext();
-
-    return 0;
-}
-
-void MainLoopStep()
-{
-    // Start the Dear ImGui frame
-    ImGui_ImplOpenGL2_NewFrame();
-    ImGui_ImplGLUT_NewFrame();
-    ImGui::NewFrame();
-    ImGuiIO& io = ImGui::GetIO();
-
-    // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
-    if (show_demo_window)
-        ImGui::ShowDemoWindow(&show_demo_window);
-
-    // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window.
-    {
-        static float f = 0.0f;
-        static int counter = 0;
-
-        ImGui::Begin("Hello, world!");                          // Create a window called "Hello, world!" and append into it.
-
-        ImGui::Text("This is some useful text.");               // Display some text (you can use a format strings too)
-        ImGui::Checkbox("Demo Window", &show_demo_window);      // Edit bools storing our window open/close state
-        ImGui::Checkbox("Another Window", &show_another_window);
-
-        ImGui::SliderFloat("float", &f, 0.0f, 1.0f);            // Edit 1 float using a slider from 0.0f to 1.0f
-        ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
-
-        if (ImGui::Button("Button"))                            // Buttons return true when clicked (most widgets return true when edited/activated)
-            counter++;
-        ImGui::SameLine();
-        ImGui::Text("counter = %d", counter);
-
-        ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
-        ImGui::End();
-    }
-
-    // 3. Show another simple window.
-    if (show_another_window)
-    {
-        ImGui::Begin("Another Window", &show_another_window);   // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
-        ImGui::Text("Hello from another window!");
-        if (ImGui::Button("Close Me"))
-            show_another_window = false;
-        ImGui::End();
-    }
-
-    // Rendering
-    ImGui::Render();
-    glViewport(0, 0, (GLsizei)io.DisplaySize.x, (GLsizei)io.DisplaySize.y);
-    glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w);
-    glClear(GL_COLOR_BUFFER_BIT);
-    //glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound, but prefer using the GL3+ code.
-    ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData());
-
-    glutSwapBuffers();
-    glutPostRedisplay();
-}