Website introduce shader

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HLSL Shaders
http://knol.google.com/k/hlsl-shaders#

Introduction to Shader Programming
http://www.gamedev.net/columns/hardcore/dxshader1/
http://www.gamedev.net/columns/hardcore/dxshader2/
http://www.gamedev.net/columns/hardcore/dxshader3/
http://www.gamedev.net/columns/hardcore/dxshader4/
http://www.gamedev.net/columns/hardcore/dxshader5/

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