转自:http://www.cnblogs.com/Pointer/archive/2009/05/31/27323.html
最近初学GLSL,发现一些很好的入门资料。
OpenGL Shading Language Specification
http://www.opengl.org/documentation/oglsl.html
OpenGL低级着色语言与高级着色语言
http://gameres.com/Articles/Program/Visual/3D/OpenGLOctane3d.pdf
OpenGL Shading Language Tutorials
http://www.clockworkcoders.com/oglsl/
OrangeBook's Web Site
http://www.3dshaders.com/