initial commit

src/main.cpp

@@ -0,0 +1,101 @@
+#include "imgui.h"
+#include "imgui_impl_glfw.h"
+#include "imgui_impl_opengl3.h"
+#include <stdio.h>
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+#include <main_window.h>
+#include <styles.h>
+
+#ifdef _WIN32
+#include <Windows.h>
+#endif
+
+static void glfw_error_callback(int error, const char* description) {
+    fprintf(stderr, "Glfw Error %d: %s\n", error, description);
+}
+
+int main() {
+#ifdef _WIN32
+    //FreeConsole();
+#endif
+
+    // Setup window
+    glfwSetErrorCallback(glfw_error_callback);
+    if (!glfwInit()) {
+        return 1;
+    }
+
+    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
+
+    // Create window with graphics context
+    GLFWwindow* window = glfwCreateWindow(1280, 720, "SDR++ v0.1.0", NULL, NULL);
+    if (window == NULL)
+        return 1;
+    glfwMakeContextCurrent(window);
+    glfwSwapInterval(1); // Enable vsync
+
+    if (glewInit() != GLEW_OK) {
+        fprintf(stderr, "Failed to initialize OpenGL loader!\n");
+        return 1;
+    }
+
+    // Setup Dear ImGui context
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGuiIO& io = ImGui::GetIO(); (void)io;
+    io.IniFilename = NULL;
+
+    // Setup Platform/Renderer bindings
+    ImGui_ImplGlfw_InitForOpenGL(window, true);
+    ImGui_ImplOpenGL3_Init("#version 150");
+
+    setImguiStyle(io);
+
+    windowInit();
+
+    // Main loop
+    while (!glfwWindowShouldClose(window)) {
+        glfwPollEvents();
+
+        // Start the Dear ImGui frame
+        ImGui_ImplOpenGL3_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
+
+        int wwidth, wheight;
+        glfwGetWindowSize(window, &wwidth, &wheight);
+        ImGui::SetNextWindowPos(ImVec2(0, 0));
+        ImGui::SetNextWindowSize(ImVec2(wwidth, wheight));
+        ImGui::Begin("", NULL, WINDOW_FLAGS);
+
+        drawWindow();
+
+        ImGui::End();
+
+        // Rendering
+        ImGui::Render();
+        int display_w, display_h;
+        glfwGetFramebufferSize(window, &display_w, &display_h);
+        glViewport(0, 0, display_w, display_h);
+        glClearColor(0.0666f, 0.0666f, 0.0666f, 1.0f);
+        //glClearColor(0.90f, 0.90f, 0.90f, 1.0f);
+        glClear(GL_COLOR_BUFFER_BIT);
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+
+        glfwSwapBuffers(window);
+    }
+
+    // Cleanup
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
+
+    glfwDestroyWindow(window);
+    glfwTerminate();
+
+    return 0;
+}