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October 27, 2011

lcReproject.cgfx–A Novel Texturing Technique

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I was inspired by Brice Vandermoortele’s Normal Map Reprojection Shader and wanted to extend the idea to new uses.  This is a novel way of texturing using lit sphere images and cubemaps.  You can reproject color and normal textures to a new UV Set.

As a CGFX shader, only Nvidia cards will load this reliably, but I’ve added a arbfp1 technique that might work on AMD and older cards.  Cubemaps are lower quality and don’t have any blurring using this mode.