关于如何从头开始创建环境,可以参考大神的博文OpenGL ES 3.0 数据可视化 0:Hello world,本文只是补充一些我在实践中的一些思考. CAEAGLLayer If you plan to use OpenGL for your rendering, use this class as the backing layer for your views by returning it from your view's layerClass class method. The ret