vs中使用openGL

// GLEW
#define GLEW_STATIC
#include <GL/glew.h>

// GLFW
#include <GLFW/glfw3.h>

#include<iostream>
//Function prototypes
void key_callback(GLFWwindow* window, int key, int scancode, int action, int mode);

// Window dimensions
const GLuint WIDTH = 800, HEIGHT = 600;

// The MAIN function, from here we start the application and run the game loop
int main()
{
    std::cout << "Starting GLFW context, OpenGL 3.3" << std::endl;
    // 初始化GLFW
    glfwInit();  
    // 配置 GLFW
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);

    // 创建 GLFW 窗口
    GLFWwindow* window = glfwCreateWindow(WIDTH, HEIGHT, "LearnOpenGL", nullptr, nullptr);
    if (window == nullptr)
    {
        std::cout << "Failed to create GLFW window" << std::endl;
        glfwTerminate();
        return -1;
    }
    //通知GLFW将我们窗口的上下文设置为当前线程的主上下文
    glfwMakeContextCurrent(window);

    // 为窗口设置回调函数（事件响应）
    glfwSetKeyCallback(window, key_callback);

    // 让GLEW在管理OpenGL的函数指针时更多地使用现代化的技术
    glewExperimental = GL_TRUE;
    // 初始化GLEW
    if (glewInit() != GLEW_OK)
    {
        std::cout << "Failed to initialize GLEW" << std::endl;
        return -1;
    }

    //设置窗口的维度,即告诉OpenGL渲染窗口的尺寸大小
    //我们实际上也可以将视口的维度设置为比GLFW的维度小，
    //这样子之后所有的OpenGL渲染将会在一个更小的窗口中显示，
    //这样子的话我们也可以将一些其它元素显示在OpenGL视口之外。
    int width, height;
    glfwGetFramebufferSize(window, &width, &height);
    glViewport(0, 0, width, height);

    // 游戏循环
    while (!glfwWindowShouldClose(window))
    {
        //检查有没有触发什么事件（比如键盘输入、鼠标移动等），然后调用对应的回调函数
        glfwPollEvents();

        // Render
        // Clear the colorbuffer
        glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
        glClear(GL_COLOR_BUFFER_BIT);

        // 交换颜色缓冲
        glfwSwapBuffers(window);
    }

    // 释放/删除之前的分配的所有资源
    glfwTerminate();
    return 0;
}

// Is called whenever a key is pressed/released via GLFW
void key_callback(GLFWwindow* window, int key, int scancode, int action, int mode)
{
    std::cout << key << std::endl;
    if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
        glfwSetWindowShouldClose(window, GL_TRUE);
}