[compiz] radeon or radeonhd or xf86-video-ati ( was Re: Will radeon or radeonhd work with compiz?)

[David C. Rankin, J.D.,P.E.]

On Wednesday 13 May 2009 01:41:21 you wrote:
> >
> > Wil,
> >
> >        You got me here. What do you mean EXA v. XAA? How do I change to
> > test? I have tested both the radeon and radeonh drivers and can't tell
> > much of a difference, if any. You also suggest trying the xf86-video-ati.
> > Is it supposedly faster than the radeon and radeonhd drivers? I'll poke
> > around some more, but if you have a few extra bits of info on it, I'd
> > appreciate it. Thanks.
>
> XAA & EXA are the 2 different acceleration methods for most X drivers.
>  Intel additionally has UXA, but its based on EXA.    I don't know
> about the radeonhd driver, but the ati one defaults to XAA even tho
> EXA generally provdes better performance these days (the commit has
> been made to change the default to EXA in git, its just not released
> yet).  Just add a line like
>
> Option "AccelMethod" "XAA"
> or
> Option "AccelMethod" "EXA"
>
> to the Device section in your xorg.conf file to change between them.
> /var/log/Xorg.0.log will confirm what is getting used.
>
> Wil

Got it! 

	Thanks. I'll give it a go and report back.

-- 
David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
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