https://bugs.freedesktop.org/show_bug.cgi?id=35095
--- Comment #15 from Chris Rankin rankincj@googlemail.com --- (In reply to comment #13)
Is this still an issue with current Mesa git?
I've just tested WoW on my M66GL (RV535?) with the latest Mesa which has head:
commit 54ff536823bf5a431efe1f2becdb21174c146948 Author: Marek Olšák maraeo@gmail.com Date: Sun Dec 2 22:22:39 2012 +0100
r300g: increment num_z_clears only if we have Hyper-Z
And it seems to work OK; no artifacts seen. Unfortunately, the new WoW login screen didn't have the problem that the previous one had anyway.