Merge commit 'ae51a422787bc3b720ff1748c0219c8f33363427'
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@ -1,7 +1,11 @@
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// Dear ImGui: standalone example application for GLFW + OpenGL2, using legacy fixed pipeline
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// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.)
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// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
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// Read online: https://github.com/ocornut/imgui/tree/master/docs
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// Learn about Dear ImGui:
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// - FAQ https://dearimgui.com/faq
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// - Getting Started https://dearimgui.com/getting-started
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// - Documentation https://dearimgui.com/docs (same as your local docs/ folder).
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// - Introduction, links and more at the top of imgui.cpp
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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 the example_glfw_opengl2/ folder**
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@ -25,17 +29,19 @@
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static void glfw_error_callback(int error, const char* description)
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{
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fprintf(stderr, "Glfw Error %d: %s\n", error, description);
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fprintf(stderr, "GLFW Error %d: %s\n", error, description);
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}
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// Main code
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int main(int, char**)
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{
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// Setup window
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glfwSetErrorCallback(glfw_error_callback);
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if (!glfwInit())
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return 1;
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GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL2 example", NULL, NULL);
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if (window == NULL)
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// Create window with graphics context
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GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL2 example", nullptr, nullptr);
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if (window == nullptr)
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return 1;
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glfwMakeContextCurrent(window);
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glfwSwapInterval(1); // Enable vsync
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@ -44,16 +50,16 @@ int main(int, char**)
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO(); (void)io;
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
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//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
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io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable Docking
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io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable Multi-Viewport / Platform Windows
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
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io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable Docking
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io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable Multi-Viewport / Platform Windows
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//io.ConfigViewportsNoAutoMerge = true;
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//io.ConfigViewportsNoTaskBarIcon = true;
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// Setup Dear ImGui style
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ImGui::StyleColorsDark();
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//ImGui::StyleColorsClassic();
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//ImGui::StyleColorsLight();
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// When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
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ImGuiStyle& style = ImGui::GetStyle();
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@ -70,17 +76,18 @@ int main(int, char**)
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// Load Fonts
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// - 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.
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// - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
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// - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
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// - 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).
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// - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call.
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// - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering.
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// - Read 'docs/FONTS.md' for more instructions and details.
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// - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
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//io.Fonts->AddFontDefault();
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//io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f);
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//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
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//IM_ASSERT(font != NULL);
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//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese());
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//IM_ASSERT(font != nullptr);
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// Our state
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bool show_demo_window = true;
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@ -92,8 +99,8 @@ int main(int, char**)
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{
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// Poll and handle events (inputs, window resize, etc.)
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// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
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// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
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// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
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// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data.
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// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
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// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
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glfwPollEvents();
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@ -106,7 +113,7 @@ int main(int, char**)
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if (show_demo_window)
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ImGui::ShowDemoWindow(&show_demo_window);
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// 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window.
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// 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window.
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{
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static float f = 0.0f;
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static int counter = 0;
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@ -125,7 +132,7 @@ int main(int, char**)
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ImGui::SameLine();
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ImGui::Text("counter = %d", counter);
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ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
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ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
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ImGui::End();
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}
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@ -166,6 +173,7 @@ int main(int, char**)
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glfwMakeContextCurrent(backup_current_context);
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}
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glfwMakeContextCurrent(window);
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glfwSwapBuffers(window);
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}
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