This bug was fixed in the package xserver-xorg-video-intel -
2:2.99.914-1~exp1ubuntu4.4
---------------
xserver-xorg-video-intel (2:2.99.914-1~exp1ubuntu4.4) utopic; urgency=medium
* fix-sna-trapezoids.patch: Fix client-side shadows for GTK+ 3.14
(LP: #1378188).
-- Marius Gedminas <[email protected]> Tue, 05 May 2015 11:25:15 +0100
** Changed in: xserver-xorg-video-intel (Ubuntu Utopic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1378188
Title:
[GNOME3 Staging PPA] strange shadow rendered where client-side
decorations are used
Status in xserver-xorg-video-intel package in Ubuntu:
Fix Released
Status in xserver-xorg-video-intel-lts-utopic package in Ubuntu:
Invalid
Status in xserver-xorg-video-intel-lts-utopic source package in Trusty:
New
Status in xserver-xorg-video-intel source package in Utopic:
Fix Released
Bug description:
[Impact]
The Intel video driver has a bug that can cause to incorrectly draw certain
trapezoids. This is visible when using client side decorations in GNOME 3 (see
attached screenshots).
[Test Case]
Run GNOME 3 with client side decorations on Intel hardware.
Observed result:
Shadow under window is missing corners.
Expected result:
Shadow looks correct.
[Regression potential]
Low. The fix is from upstream and just changes the logic error in the
CompositeTrapezoids routine.
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