Slow exaOffscreenAlloc ?

Eric Anholt eric at
Wed Dec 10 09:52:36 PST 2008

On Wed, 2008-12-10 at 11:52 +0100, Michel Dänzer wrote:
> On Mon, 2008-12-08 at 15:23 -0800, Eric Anholt wrote:
> > 
> > We've got a few ideas to improve things for UXA performance still, so
> > it may get better.  It's already a win over EXA, since EXA's stuck
> > with only 50MB of aperture space.
> [...]
> > UXA makes the pixmap offscreen space be unified with 3D and every
> > other GPU activity.
> You know full well that the driver could do the same thing with EXA. It
> would be nice to fix the (rather academic) problems with the related EXA
> driver hook interfaces rather than wasting effort on yet another
> acceleration architecture.

Yes, I do know.  But that doesn't change what the driver options to
today, because of the EXA driver hook interfaces.

Eric Anholt
eric at                         eric.anholt at

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