OpenGL是SGI公司开发的一个跨平台的开放式图形编程工具。这个教程讲述了如何通过Visual C++来进行OpenGL编程的方法跟过程，值得观看。-OpenGL is a cross-platform, open graphical programming tools developed by the company of SGI. This tutorial describes how to carry out Visual C++ programming method to programme with OpenGL, it is worth watching.
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