http://bugs.winehq.org/show_bug.cgi?id=34238
--- Comment #13 from Henri Verbeet hverbeet@gmail.com 2013-08-13 04:29:51 CDT --- It's probably 5115f55eebe5cb91f13896862275e236a4954744, but that wouldn't really tell us anything new. I suspect it's some kind of driver issue, but it's not a generic Mesa bug, this works with r600g for example.