"#version 330 core\n"

"layout (location = 0) in vec3 aPos;\n"

"void main()\n"

"{\n"

"gl_Position=vec4(aPos.x,aPos.y,aPos.z,1.0);\n"

"}\n";

//初始化缓冲数组对象

unsigned int VAO;            //顶点数组对象VAO

unsigned int VBO;            //顶点缓冲对象VBO

    //创建VAO

    glGenVertexArrays(, &VAO);

    //绑定VAO

    glBindVertexArray(VAO);

    //创建VBO

    glGenBuffers(, &VBO);  //生成vbo和缓冲ID

    //缓冲绑定

    glBindBuffer(GL_ARRAY_BUFFER, VBO);

    //将数据传输到当前绑定缓冲

    glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);

    //第四个参数：如何管理给定的数据

    //  GL_STATIC_DRAW ：数据不会或几乎不会改变。

    //    GL_DYNAMIC_DRAW：数据会被改变很多。

    //    GL_STREAM_DRAW ：数据每次绘制时都会改变。

    //解析顶点数据,设置顶点属性指针

    glVertexAttribPointer(, , GL_FLOAT, GL_FALSE,  * sizeof(float), (void*));

    glEnableVertexAttribArray();

//创建着色器程序

//顶点着色器

    unsigned int vertexShader;

    vertexShader = glCreateShader(GL_VERTEX_SHADER);

    //附加

    glShaderSource(vertexShader, , &vertexShaderSource, NULL);

    //编译

    glCompileShader(vertexShader);

    //检测失败

    int  success;

    char infoLog[];

    glGetShaderiv(vertexShader, GL_COMPILE_STATUS, &success);

    if (!success)

    {

        glGetShaderInfoLog(vertexShader, , NULL, infoLog);

        std::cout << "ERROR::SHADER::VERTEX::COMPILATION_FAILED\n" << infoLog << std::endl;

    }

    //片段着色器

    unsigned int fragmentShader;

    fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);

    glShaderSource(fragmentShader, , &fragmentShaderSource, NULL);

    glCompileShader(fragmentShader);

    //片段着色器

    unsigned int fragmentShaderY;

    fragmentShaderY = glCreateShader(GL_FRAGMENT_SHADER);

    glShaderSource(fragmentShaderY, , &fragmentShaderYellowSource, NULL);

    glCompileShader(fragmentShaderY);

    shaderProgram = glCreateProgram();

    //附加

    glAttachShader(shaderProgram, vertexShader);

    glAttachShader(shaderProgram, fragmentShader);

    //链接

    glLinkProgram(shaderProgram);

    shaderYellowProram = glCreateProgram();

    //附加

    glAttachShader(shaderYellowProram, vertexShader);

    glAttachShader(shaderYellowProram, fragmentShaderY);

    //链接

    glLinkProgram(shaderYellowProram);

    //链接成功后，释放着色器对象

    glDeleteShader(vertexShader);

    glDeleteShader(fragmentShader);

    glDeleteShader(fragmentShaderY);

//在循环渲染中绘制

    //渲染循环

    while (!glfwWindowShouldClose(window)) {

        //渲染指令

        glClearColor(0.2f, 0.3f, 0.3f, 1.0f);

        glClear(GL_COLOR_BUFFER_BIT);

        glUseProgram(shaderProgram);

        glBindVertexArray(VAO);

        glDrawArrays(GL_TRIANGLES, , );

        //交换颜色缓冲，绘制显示

        glfwSwapBuffers(window);

    }