Jacy-Chen / HelloOpenGL

Practice of OpenGL ES on iOS

HelloOpenGL

Brief Intro

This is my practice project according to the tutorial from www.raywenderlich.com see detail at: https://www.raywenderlich.com/3664/opengl-tutorial-for-ios-opengl-es-2-0

Comments:

1. OpenGL ES version
   • On iOS there are v1.1 and v2.0, defined by

     enum
     {
       kEAGLRenderingAPIOpenGLES1 = 1,     //1.1版
       kEAGLRenderingAPIOpenGLES2 = 2      //2.0版
     }typedef NSUInteger EAGLRenderingAPI;

2. 创建渲染缓冲区/Create Render buffer ：
3. 创建帧缓冲区/Create Frame buffer：
4. 设置视窗口/Create View ：
5. 创建着色器
6. 创建渲染源程序
7. 顶点结构体
8. 着色器
9. 开始渲染