Merge commit 'ae51a422787bc3b720ff1748c0219c8f33363427'
This commit is contained in:
@ -1,12 +1,17 @@
|
||||
// Dear ImGui: standalone example application for GLFW + OpenGL 3, using programmable pipeline
|
||||
// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.)
|
||||
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
|
||||
// Read online: https://github.com/ocornut/imgui/tree/master/docs
|
||||
|
||||
// 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
|
||||
|
||||
#include "imgui.h"
|
||||
#include "imgui_impl_glfw.h"
|
||||
#include "imgui_impl_opengl3.h"
|
||||
#include <stdio.h>
|
||||
#define GL_SILENCE_DEPRECATION
|
||||
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
||||
#include <GLES2/gl2.h>
|
||||
#endif
|
||||
@ -19,14 +24,19 @@
|
||||
#pragma comment(lib, "legacy_stdio_definitions")
|
||||
#endif
|
||||
|
||||
// This example can also compile and run with Emscripten! See 'Makefile.emscripten' for details.
|
||||
#ifdef __EMSCRIPTEN__
|
||||
#include "../libs/emscripten/emscripten_mainloop_stub.h"
|
||||
#endif
|
||||
|
||||
static void glfw_error_callback(int error, const char* description)
|
||||
{
|
||||
fprintf(stderr, "Glfw Error %d: %s\n", error, description);
|
||||
fprintf(stderr, "GLFW Error %d: %s\n", error, description);
|
||||
}
|
||||
|
||||
// Main code
|
||||
int main(int, char**)
|
||||
{
|
||||
// Setup window
|
||||
glfwSetErrorCallback(glfw_error_callback);
|
||||
if (!glfwInit())
|
||||
return 1;
|
||||
@ -55,8 +65,8 @@ int main(int, char**)
|
||||
#endif
|
||||
|
||||
// Create window with graphics context
|
||||
GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL3 example", NULL, NULL);
|
||||
if (window == NULL)
|
||||
GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL3 example", nullptr, nullptr);
|
||||
if (window == nullptr)
|
||||
return 1;
|
||||
glfwMakeContextCurrent(window);
|
||||
glfwSwapInterval(1); // Enable vsync
|
||||
@ -65,16 +75,16 @@ int main(int, char**)
|
||||
IMGUI_CHECKVERSION();
|
||||
ImGui::CreateContext();
|
||||
ImGuiIO& io = ImGui::GetIO(); (void)io;
|
||||
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
|
||||
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
|
||||
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable Docking
|
||||
io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable Multi-Viewport / Platform Windows
|
||||
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
|
||||
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
|
||||
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable Docking
|
||||
io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable Multi-Viewport / Platform Windows
|
||||
//io.ConfigViewportsNoAutoMerge = true;
|
||||
//io.ConfigViewportsNoTaskBarIcon = true;
|
||||
|
||||
// Setup Dear ImGui style
|
||||
ImGui::StyleColorsDark();
|
||||
//ImGui::StyleColorsClassic();
|
||||
//ImGui::StyleColorsLight();
|
||||
|
||||
// When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
|
||||
ImGuiStyle& style = ImGui::GetStyle();
|
||||
@ -86,22 +96,27 @@ int main(int, char**)
|
||||
|
||||
// Setup Platform/Renderer backends
|
||||
ImGui_ImplGlfw_InitForOpenGL(window, true);
|
||||
#ifdef __EMSCRIPTEN__
|
||||
ImGui_ImplGlfw_InstallEmscriptenCanvasResizeCallback("#canvas");
|
||||
#endif
|
||||
ImGui_ImplOpenGL3_Init(glsl_version);
|
||||
|
||||
// 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).
|
||||
// - 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).
|
||||
// - 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.
|
||||
// - 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 \\ !
|
||||
// - Our Emscripten build process allows embedding fonts to be accessible at runtime from the "fonts/" folder. See Makefile.emscripten for details.
|
||||
//io.Fonts->AddFontDefault();
|
||||
//io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f);
|
||||
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
|
||||
//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);
|
||||
//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese());
|
||||
//IM_ASSERT(font != nullptr);
|
||||
|
||||
// Our state
|
||||
bool show_demo_window = true;
|
||||
@ -109,12 +124,19 @@ int main(int, char**)
|
||||
ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
|
||||
|
||||
// Main loop
|
||||
#ifdef __EMSCRIPTEN__
|
||||
// For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file.
|
||||
// You may manually call LoadIniSettingsFromMemory() to load settings from your own storage.
|
||||
io.IniFilename = nullptr;
|
||||
EMSCRIPTEN_MAINLOOP_BEGIN
|
||||
#else
|
||||
while (!glfwWindowShouldClose(window))
|
||||
#endif
|
||||
{
|
||||
// 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.
|
||||
// - 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.
|
||||
glfwPollEvents();
|
||||
|
||||
@ -127,7 +149,7 @@ int main(int, char**)
|
||||
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.
|
||||
// 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;
|
||||
@ -146,7 +168,7 @@ int main(int, char**)
|
||||
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::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
|
||||
ImGui::End();
|
||||
}
|
||||
|
||||
@ -168,7 +190,7 @@ int main(int, char**)
|
||||
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);
|
||||
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
|
||||
|
||||
|
||||
// Update and Render additional Platform Windows
|
||||
// (Platform functions may change the current OpenGL context, so we save/restore it to make it easier to paste this code elsewhere.
|
||||
// For this specific demo app we could also call glfwMakeContextCurrent(window) directly)
|
||||
@ -182,6 +204,9 @@ int main(int, char**)
|
||||
|
||||
glfwSwapBuffers(window);
|
||||
}
|
||||
#ifdef __EMSCRIPTEN__
|
||||
EMSCRIPTEN_MAINLOOP_END;
|
||||
#endif
|
||||
|
||||
// Cleanup
|
||||
ImGui_ImplOpenGL3_Shutdown();
|
||||
|
Reference in New Issue
Block a user