ATI on FreeBSD! FireGL Linux Driver Port
(correction,clarification)
Eric Anholt
eta at lclark.edu
Tue Dec 27 01:25:53 PST 2005
On Tue, 2005-12-27 at 01:14 -0800, Darren Pilgrim wrote:
>
> > -----Original Message-----
> > From: Eric Anholt [mailto:eta at lclark.edu]
> > Sent: Tuesday, December 27, 2005 12:23 AM
> > To: Darren Pilgrim
> > Cc: 'Chris Gilbert'; freebsd-current at freebsd.org
> > Subject: RE: ATI on FreeBSD! FireGL Linux Driver Port
> > (correction,clarification)
> >
> >
> > On Tue, 2005-12-27 at 00:12 -0800, Darren Pilgrim wrote:
> > > From: Darren Pilgrim
> > > >
> > > > - Ran glxgears, default window size, both drivers with
> > DRI disabled.
> > > > fglrx: ~164 FPS
> > > > radeon: ~670 FPS.
> > >
> > > The xorg logs indicate the radeon driver test was run without:
> > >
> > > Options "VideoOverlay" "on"
> > > Options "OpenGLOverlay" "off"
> > >
> > > I retested the radeon driver with the above options
> > specified and got the
> > > same performance.
> >
> > Those aren't radeon driver options (which should all be specified in
> > radeon(4)).
>
> True. But by the radeon(4) man page on the test system, the closest thing
> would be NoAccel. Testing the radeon driver, with DRI disabled, the
> fglrx-specific options commented out and "NoAccel" "on":
>
> 2D performance is a misnomer.
> glxgears: ~683 FPS
>
> If you, Chris or anyone can think of a set of options to make the radeon
> driver more equivalent to the fglrx driver, post 'em and I'll grind the
> gears.
I'm confused, why are you using glxgears as if it was a benchmark?
If you wanted to turn off 3d hardware acceleration, and some 2d
acceleration related to that, then remove Load "dri" from your
xorg.conf.
--
Eric Anholt eta at lclark.edu
http://people.freebsd.org/~anholt/ anholt at FreeBSD.org
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