入门可以参考sdk的文档
《Cg教程-可编程实时图形权威指南》,人邮原来出过,不过现在不好买了
http://http.developer.nvidia.com/CgTutorial/cg_tutorial_chapter01.html有英文版
Introduction to 3D Game Programming with DirectX 9.0的16~20章,有英文电子版
还可以看http://blog.csdn.net/soilwork/category/257400.aspx
然后看Shaders for Game Programmers and Artists,有英文电子版