http://bugs.winehq.org/show_bug.cgi?id=14847
--- Comment #23 from Henri Verbeet hverbeet@gmail.com 2011-10-14 14:09:06 CDT --- (In reply to comment #20)
In this case we have 10.04 LTS which results in pretty old stock KMS/DRI2/Mesa. Also keep in mind that not every user out there is rebuilding Mesa with dload support for S3TC decoding and installs accompanying third-party lib. So I still would recommend to give Catalyst a try.
Sure. I guess the point I'm making is that in the general case moving from r600g to fglrx isn't necessarily an improvement. (And black textures like that could actually be a case of missing s3tc support, although you'd have corresponding errors in the Wine debug output then.)
P.S. BTW, Henri, what should Peter do in case he would get perfectly rendered picture with Catalyst driver and bugged render with OSS driver? Whose bug should it be considered - Wine or Mesa?
Likely Mesa, but you can't always tell without someone debugging it first.