OpenGL + Cg Toolkit + ATI's

Hello,

I'm using OpenGL with Cg Toolkit v1.0. My application uses some simple
vertex shader that transforms the geometry. On my GeForce 6600 it all
works great. But when I give my application to my friends who own
ATI's it doesn't want to work.
I got so annoyed that I have even started porting my code to Direct3D
that may has not as much problems as OpenGL with ATI's stuff
So what's the problem? I realize that Cg is not ATI's product but it
shouldn't matter! Have you met some similiar problems? Any advice?
Maybe my Cg Toolkit is too old..? (v1.0)

Best regards, Wojtek



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