http://bugs.freedesktop.org/show_bug.cgi?id=21164
Summary: Very bad Clutter performance with DRI2 & UXA
Product: DRI
Version: XOrg CVS
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: General
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: njpa...@gmail.com
With UXA enabled on Jaunty which is running GNOME with Metacity (no
compositing) mostly all GL application work perfectly well, apart from
Clutter[1] based applications. The performance is degraded and animations are
very jerky. Switching off motion events and tuning down animations seems to
make only a small difference.
Without UXA, Clutter applications work perfectly. There appears to be a gl call
that Clutter uses which is giving bad performance with UXA. However, I'm not a
'gl person', so I can't debug.
While I understand that UXA is still work-in-progress, I thought it would be
good to raise the issue, as it seems most of GNOME is going with Clutter as an
accelerated canvas.
I filed the bug[2] upstream in Clutter, but they've marked it as NOTABUG, as it
continues to work fine without UXA.
[1] www.clutter-project.org
[2] http://bugzilla.openedhand.com/show_bug.cgi?id=1544
Please find the output of glxinfo and the xorg.conf attached.
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