GLSL Articles and Tutorials

[Charles Pegge]

http://www.lighthouse3d.com/tutorials/glsl-tutorial/
http://www.davidcornette.com/glsl/glsl.html
http://www.swiftless.com/glsltuts.html
http://content.gpwiki.org/index.php/OpenGL:Tutorials:Virtualized_Lights_with_OpenGL_and_GLSL
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http://www.ozone3d.net/tutorials/glsl_lighting_phong.php
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http://en.wikibooks.org/wiki/GLSL_Programming/Unity/Lighting_Textured_Surfaces
http://www.sjbaker.org/wiki/index.php?title=GLSL_shaders
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http://www.geeks3d.com/20091013/shader-library-phong-shader-with-multiple-lights-glsl/