andrel <a_l### [at] hotmailcom> wrote:
> I might be aware of that, but my question is: under what kind of 
> circumstances would you need a user defined loop *after* you have fully 
> specified the scene? I can't think of any, but I don't have much 
> experience with shaders and complex textures.

  Loop over a series of pixels and calculate their average?

-- 
                                                          - Warp

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