http://bugs.winehq.org/show_bug.cgi?id=27406
--- Comment #4 from Piotr Pawlow pp@siedziba.pl 2011-06-07 07:01:15 CDT --- (In reply to comment #3)
Looks ok in principle, but note that device_process_message() also accesses device->filter_messages and device->focus_window.
The device_process_message() call already wasn't protected by wined3d_mutex, so I think the patch doesn't change anything here.