http://bugs.winehq.org/show_bug.cgi?id=28342
--- Comment #6 from Evengard evengard@trioptimum.com 2011-10-26 11:38:49 CDT --- (In reply to comment #4)
2da4f87a7e7551f17cd650ef6d8596f595efc13b ends up helping with this, by uploading directly from sysmem instead of having an intermediate texture that would need to get invalidated.
Confirming - no problems with that fix