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Normal maps compression tutorial using the OpenGL Shading Language

This tutorial talks in detail about the normal-map compression and the problems caused by this compression. Various solutions using OpenGL Shading Language shaders are analysed (renormalization, swizzled-DXT5 and ATI’s 3Dc). Several demos using the freeware Hyperion Demo-System are provided as well as an OpenGL project showing the loading of a compressed texture.

Mar 15, 2006 | Read article... | Permalink

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