http://bugs.winehq.org/show_bug.cgi?id=26421
--- Comment #2 from Julius Schwartzenberg julius@zgod.cjb.net 2011-03-15 17:30:11 CDT --- Created an attachment (id=33660) --> (http://bugs.winehq.org/attachment.cgi?id=33660) piglit test result
Yep, you're right. It seems a driver bug. I'll see if I can get hold of a newer GIT version and if the problem is still there, report a bug with Intel.
I attached the output from piglit.