http://bugs.winehq.org/show_bug.cgi?id=20183
--- Comment #6 from Ben Klein shacklein@gmail.com 2009-09-28 04:00:44 --- (In reply to comment #5)
The responsible code is part of function 'state_pscale' in ./dlls/wined3d/state.c:
For future reference: copying large chunks of source into bug comments is unnecessary. An attachment or even just a line number will suffice.