VBO是一种用于保存顶点数据到GPU高速缓存的机制。本程序对比了开启数组缓存和关闭数组缓存时的帧速率，证明了VBO技术可以改进实时渲染效率 -VBO is used to save data to the GPU vertex cache mechanism. The program compared the open and close the array array buffer cache when the fr a me rate, proves VBO technology can i