Re: mesa-6.5: assertion failed on resolution change

[Alex D. <ale...@gm...>]

On 6/7/06, Aapo Tahkola <ae...@ra...> wrote:
> On Mon, 22 May 2006 00:02:11 -0400
> "Alex Deucher" <ale...@gm...> wrote:
>
> > On 5/21/06, Roland Scheidegger <rsc...@hi...> wrote:
> > > Pawel Salek wrote:
> > > > ColorTiling works like a charm: it gives factor two speedup in
> > > > glxgears, one can play RTCW at 1280x1024 *and* the random lines
> > > > are gone! Is there any reason this option is not the default?
> > > I am not sure, maybe it could be made the default by now?
> > > Historically, it is off by default because it didn't work on
> > > r3xx/r4xx cards (it was always on by default on older chips since
> > > it exists), because it wasn't fully implemented. I think it works
> > > without problems nowadays on all chips (dunno about the rs400 igps,
> > > though). I believe though it caused to lock up the r300/r350 chips
> > > even faster (with opengl apps) but that is probably more of a side
> > > effect. Someone more familiar with the r300 cards needs to answer
> > > that if it should be the default but it sure would be nice - the
> > > radeon chips are increasingly relying on this to get good
> > > performance (first generation (r1xx) radeon chips roughly gain 20%
> > > or so, 2nd generation (r2xx) more like 50%, and 3rd (r3xx/r4xx)
> > > 100%).
> >
> > r3/4xx needs a drm update to make colortiling work with pageflipping
> > for non-zero offsets sice they use a slightly different register
> > setup.  That's why it's been disabled.  It's trivial, but no one has
> > gotten around to doing it.
>
> That doesn't prevent you from enabling tiling and forcing pageflipping
> disabled. If someone really cares for pageflipping he/she can fix it.
> Beyond that its currently broken and it doesn't really improve
> performance noticeably. Oh and it doesn't really play well with fbos if
> we ever happen to add support for em.
>

That's fine.  feel free to enable it by default.

Alex

> --
> Aapo Tahkola
>