http://bugs.winehq.org/show_bug.cgi?id=21515
--- Comment #124 from cruiseoveride cruiseoveride@gmail.com 2010-03-09 09:27:46 --- That dxN library is more for educational purposes than anything else. As far as I know, the radeon driver (or any open driver) will ever have s3c implemented as it needs to be licensed from either S3 or a subvendor like Microsoft.
All my missing textures come back with that mp2 quirk enabled.