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Does this look promising in terms of adapting to GStudio? It looks like this relies on the previous texture coordinate, not sure if that is available?

http://developer.nvidia.com/docs/IO/8230/GDC2003_OpenGLShaderTricks.pdf

And... I am only showing 5 pages of post in the shader forum? Not sure why..



Isn't this code for shader based MBlur? Not sure if it is adaptable to GStudio.