(In reply to comment #14)
> Thanks for the feedback. So it is a precision issue after all. If fglrx
> exhibits the same behavior, there is nothing I can do. I don't know of any
> hardware state which controls precision of texture addressing.

I would guess it needs input from the AMD folks. So I guess getting their
attention is one thing that could be done. Maybe a microcode update could
solve.

I also haven't tested this in ages. Might not be an issue for modern chips...