hi,
so to say as byproduct by developing a few Pixel Bender shaders, I scripted this little warp-shader. And as its name implies, this shader can be used for warping images fast and smoothly without performance losses (nearly ~30fps from available 30fps).
[URL=“http://www.dasprinzip.com/prinzipiell/2009/01/30/warp-shader-pixel-bender/”]
[URL=“http://www.dasprinzip.com/prinzipiell/2009/01/30/warp-shader-pixel-bender/l”]
Launch
And I´ve posted the sources within my blogpost as well, if you feel like casting a glance. 
Cheers
pwd
