http://bugs.winehq.org/show_bug.cgi?id=31644
--- Comment #9 from tizbac2@gmail.com 2013-02-20 07:25:40 CST --- I'm recompiling with map_buffer_range support commented out atm, if it solves it i'm thinking about measuring time taken compared to total frame time and switch to mapbuffer , it is very hacky , but if closed sources drivers won't fix that it is the only way