Did you use PhysX? PhysX is only working right on NVIDIA Cards, not on ATI Cards. I know this problem, then I have the ATI HD 5970.... You must optimize the Physx engine, so that it work with a ATI Card..... But this can only the Pr0 programmers... I don't know whether you are one....
MFW
Shitlord by trade and passion. Graphics programmer at Laminar Research. I write blog posts at feresignum.com
