大量的opengl的GLSL的GPU编程的例子，非常适合入门和高级编程者参考。-Opengl lot of examples of GLSL of GPU programming is ideal for introductory and advanced programming reference.

一篇探讨利用OPENGL实现从屏幕点到三维点转换的论文，提供了一种算法供大家参考。-One to explore the use OPENGL from a screen point to the three-dimensional point conversion paper provides an algorithm for your reference.