[Bug 21610] Heores V screen is flickering

http://bugs.winehq.org/show_bug.cgi?id=21610

--- Comment #26 from Xavier Vachon   2010-07-15 00:14:35 ---
(In reply to comment #25)
> (In reply to comment #24)
> > (In reply to comment #22)
> > > Heroes V + Tribes of the east works well for me with 1.2-rc1.
> > > Hammers of fate never worked for me with wine.
> >
> > Confirming with 1.2-rc7, I do not experience flickering. This should be marked
> > as FIXED.
>
> I still see flickering on ATI HD 4200 onboard graphics with latest catalyst
> drivers and wine 1.2 rc7...

I have a NVIDIA 8800GT card. How can we determine if this is a Wine bug or a
driver bug?