diff options
Diffstat (limited to '3rdparty/imgui/examples/example_glfw_opengl3')
4 files changed, 434 insertions, 0 deletions
diff --git a/3rdparty/imgui/examples/example_glfw_opengl3/build_win32.bat b/3rdparty/imgui/examples/example_glfw_opengl3/build_win32.bat new file mode 100644 index 00000000..e5c15c53 --- /dev/null +++ b/3rdparty/imgui/examples/example_glfw_opengl3/build_win32.bat @@ -0,0 +1,3 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I ..\libs\glfw\include /I ..\libs\gl3w *.cpp ..\imgui_impl_glfw.cpp ..\imgui_impl_opengl3.cpp ..\..\imgui*.cpp ..\libs\gl3w\GL\gl3w.c /FeDebug/example_glfw_opengl3.exe /FoDebug/ /link /LIBPATH:..\libs\glfw\lib-vc2010-32 glfw3.lib opengl32.lib gdi32.lib shell32.lib diff --git a/3rdparty/imgui/examples/example_glfw_opengl3/example_glfw_opengl3.vcxproj b/3rdparty/imgui/examples/example_glfw_opengl3/example_glfw_opengl3.vcxproj new file mode 100644 index 00000000..172a34d8 --- /dev/null +++ b/3rdparty/imgui/examples/example_glfw_opengl3/example_glfw_opengl3.vcxproj @@ -0,0 +1,178 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup Label="ProjectConfigurations"> + <ProjectConfiguration Include="Debug|Win32"> + <Configuration>Debug</Configuration> + 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\ No newline at end of file diff --git a/3rdparty/imgui/examples/example_glfw_opengl3/example_glfw_opengl3.vcxproj.filters b/3rdparty/imgui/examples/example_glfw_opengl3/example_glfw_opengl3.vcxproj.filters new file mode 100644 index 00000000..efb570ce --- /dev/null +++ b/3rdparty/imgui/examples/example_glfw_opengl3/example_glfw_opengl3.vcxproj.filters @@ -0,0 +1,70 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup> + <Filter Include="imgui"> + <UniqueIdentifier>{20b90ce4-7fcb-4731-b9a0-075f875de82d}</UniqueIdentifier> + </Filter> + <Filter Include="sources"> + <UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier> + <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions> + </Filter> + <Filter Include="gl3w"> + <UniqueIdentifier>{42f99867-3108-43b8-99d0-fabefaf1f2e3}</UniqueIdentifier> + </Filter> + </ItemGroup> + <ItemGroup> + <ClCompile Include="main.cpp"> + <Filter>sources</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\libs\gl3w\GL\gl3w.c"> + <Filter>gl3w</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_demo.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_draw.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\imgui_impl_glfw.cpp"> + <Filter>sources</Filter> + </ClCompile> + <ClCompile Include="..\imgui_impl_opengl3.cpp"> + <Filter>sources</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_widgets.cpp"> + <Filter>imgui</Filter> + </ClCompile> + </ItemGroup> + <ItemGroup> + <ClInclude Include="..\..\imconfig.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\..\imgui.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\libs\gl3w\GL\gl3w.h"> + <Filter>gl3w</Filter> + </ClInclude> + <ClInclude Include="..\libs\gl3w\GL\glcorearb.h"> + <Filter>gl3w</Filter> + </ClInclude> + <ClInclude Include="..\..\imgui_internal.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\imgui_impl_glfw.h"> + <Filter>sources</Filter> + </ClInclude> + <ClInclude Include="..\imgui_impl_opengl3.h"> + <Filter>sources</Filter> + </ClInclude> + </ItemGroup> + <ItemGroup> + <None Include="..\README.txt" /> + <None Include="..\..\misc\natvis\imgui.natvis"> + <Filter>sources</Filter> + </None> + </ItemGroup> +</Project>
\ No newline at end of file diff --git a/3rdparty/imgui/examples/example_glfw_opengl3/main.cpp b/3rdparty/imgui/examples/example_glfw_opengl3/main.cpp new file mode 100644 index 00000000..f9b9b643 --- /dev/null +++ b/3rdparty/imgui/examples/example_glfw_opengl3/main.cpp @@ -0,0 +1,183 @@ +// dear imgui: standalone example application for GLFW + OpenGL 3, using programmable pipeline +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan graphics context creation, etc.) + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_opengl3.h" +#include <stdio.h> + +// About OpenGL function loaders: modern OpenGL doesn't have a standard header file and requires individual function pointers to be loaded manually. +// Helper libraries are often used for this purpose! Here we are supporting a few common ones: gl3w, glew, glad. +// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own. +#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) +#include <GL/gl3w.h> // Initialize with gl3wInit() +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) +#include <GL/glew.h> // Initialize with glewInit() +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) +#include <glad/glad.h> // Initialize with gladLoadGL() +#else +#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM +#endif + +#include <GLFW/glfw3.h> // Include glfw3.h after our OpenGL definitions + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "Glfw Error %d: %s\n", error, description); +} + +int main(int, char**) +{ + // Setup window + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + + // Decide GL+GLSL versions +#if __APPLE__ + // GL 3.2 + GLSL 150 + const char* glsl_version = "#version 150"; + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2); + glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // 3.2+ only + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // Required on Mac +#else + // GL 3.0 + GLSL 130 + const char* glsl_version = "#version 130"; + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); + //glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // 3.2+ only + //glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // 3.0+ only +#endif + + // Create window with graphics context + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL3 example", NULL, NULL); + if (window == NULL) + return 1; + glfwMakeContextCurrent(window); + glfwSwapInterval(1); // Enable vsync + + // Initialize OpenGL loader +#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) + bool err = gl3wInit() != 0; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) + bool err = glewInit() != GLEW_OK; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) + bool err = gladLoadGL() != 0; +#endif + if (err) + { + fprintf(stderr, "Failed to initialize OpenGL loader!\n"); + return 1; + } + + // Setup Dear ImGui binding + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + ImGui_ImplGlfw_InitForOpenGL(window, true); + ImGui_ImplOpenGL3_Init(glsl_version); + + // Setup style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // 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 NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - 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. + // - Read 'misc/fonts/README.txt' 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 \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + while (!glfwWindowShouldClose(window)) + { + // Poll and handle events (inputs, window resize, 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. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 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 created 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 / ImGui::GetIO().Framerate, ImGui::GetIO().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(); + int display_w, display_h; + glfwMakeContextCurrent(window); + glfwGetFramebufferSize(window, &display_w, &display_h); + glViewport(0, 0, display_w, display_h); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + + glfwMakeContextCurrent(window); + glfwSwapBuffers(window); + } + + // Cleanup + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} |