ProcPutImage calls exaDoMoveOutPixmap, 4x slowdown

Maarten Maathuis madman2003 at
Tue Oct 14 10:46:09 PDT 2008

On Tue, Oct 14, 2008 at 7:35 PM, Clemens Eisserer <linuxhippy at> wrote:
> Hi,
>> There is ofcource a fallback system, which is pretty much a memcpy.
> Ah, I guess that was that memcpy I always saw in moveIn / moveOut ;)
>> intel has never had an UploadToScreen hook.
> Ah interesting, because I saw 4x better performance with intel-2.1.1 /
> xserver-1.3.
> With this configuration the putted data was just memcpy'd to vram, but
> now it seems to be a readback->put->upload cycle :-/
> I'll try to find a small test-case and report a bug.
>> I'm just mentioning uxa,
>> because they did realize exa wasn't perfect for them (in it's current
>> form), they just haven't fixed exa yet to be a little more smart for
>> non-vram cards.
> Yes, I also really hope they merge it back soon.
> Thanks again, Clemens
> _______________________________________________
> xorg mailing list
> xorg at

2.1.1 probably used XAA as default, which didn't try to accelerate much.


More information about the xorg mailing list