[Bug 96847] New: TearFree breaks when playing back videos in Firefox with GPU accelerated windows enabled in Firefox
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Jul 7 14:25:18 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=96847
Bug ID: 96847
Summary: TearFree breaks when playing back videos in Firefox
with GPU accelerated windows enabled in Firefox
Product: xorg
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/intel
Assignee: chris at chris-wilson.co.uk
Reporter: nw9165-3201 at yahoo.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Hi,
running Xubuntu 16.04 on a Core i7-6700K here.
There's a lot of tearing by default. But when setting up the following xorg
conf file:
/etc/X11/xorg.conf.d/20-intel.conf
with the following contents:
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "sna"
Option "DRI" "3"
Option "SwapbuffersWait" "true"
Option "TripleBuffer" "true"
Option "TearFree" "true"
EndSection
the tearing is gone.
TearFree is working fine.
But when enabling GPU accelerated windows in Firefox 47 via setting
"layers.acceleration.force-enabled" to "true" in about:config
(https://bugzilla.mozilla.org/show_bug.cgi?id=594876), and then watching a
video on YouTube for example, TearFree suddenly seems to break after a short
amount of time.
There suddenly is tearing again when moving windows around for example.
The tearing also does not go away when closing Firefox.
After rebooting, TearFree is working again (until playing back a video in
Firefox again).
Any chance you could fix that?
Regards
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