EXA performance and bugs
eta at lclark.edu
Wed Sep 28 11:46:37 PDT 2005
On Wed, 2005-09-28 at 17:51 +0200, Pierre Ossman wrote:
> You do not seem to have many EXA related bugs in the bugzilla so far.
> Should I open bugs for it at this stage or are you considering it too
> much alpha for bug-tracking? :)
> The issues I see are:
> * Default mouse pointer is a colored, semi-transparent square.
Please submit this as a bugzilla entry with what card you have, exact
date of CVS, and the xorg.conf file attached.
> * Small rendering artifacts. Previous thread said these were caused by
> cache effects.
Are you running current CVS? I haven't had any reports of rendering
artifacts with current CVS.
> * Glyph rendering fails when radeon module isn't loaded. Red Hat's rhgb
> starts the X server in some funky way without loading the radeon module.
> I guess the achieve this by not enabling dri (haven't look to closely at
Fixed this one (I'm pretty sure -- you didn't describe it much) a week
> I also have varying performance. I don't know if this is expected or not
> but what I'm seeing is that rendering slows to a near halt if I drag a
> window over another window and the desktop. Dragging over just one other
> window gives full performance. Dragging over several other windows seems
> to degrade performance gradually for each window added to the mix.
Things get slow when memory gets tight. We need more work on this.
> I also see the problem with slow rendering in gnome-terminal. It is
> enough to have EXA turned on. Composite makes no difference.
If you're using subpixel antialiasing, yes, that's slow.
Eric Anholt eta at lclark.edu
http://people.freebsd.org/~anholt/ anholt at FreeBSD.org
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