http://bugs.winehq.org/show_bug.cgi?id=7284
--- Comment #45 from Tobias Jakobi liquid.acid@gmx.net 2009-04-18 13:00:31 --- Looks like that to properly fix this we have to do: 1) Figure out which shader versions are affected by the issue 2) For these shader versions clamp the results when something is written to a texcoord register