http://bugs.winehq.org/show_bug.cgi?id=21595
--- Comment #5 from knipl@in.tum.de 2010-02-05 10:03:32 --- okay, pretty strange but... that bug has disappeared in current git. out of curiosity I tested which commit solved the bug; it is
commit af7dfcd378739127c50aa95ce40b13eb3d1950cf wined3d: Do not preload surfaces when attaching them to an FBO. author Henri Verbeet hverbeet@codeweavers.com Wed, 3 Feb 2010 17:17:58 +0000 (18:17 +0100)
so I guess this bug can be called fixed. next time I'm going to wait 2 days before posting a bug report ;-)