http://bugs.winehq.org/show_bug.cgi?id=22948
--- Comment #12 from Henri Verbeet hverbeet@gmail.com 2011-06-19 11:32:04 CDT --- (In reply to comment #11)
OpenGL renderer string: Mesa DRI R600 (CYPRESS 6899) 20090101 TCL DRI2
Not related to this bug, but you really want to be using the Gallium r600 drivers instead of the "classic" ones.