compiz team mailing list archive

[max ulidtko <ulidtko@xxxxxxxxx>]

Public bug reported:

The Compiz "blur" plugin in 11.10 seems to have been changed in a way so
to use vertically mirrored screen image to produce the blurred image.

This affects window shadows, see screenshots at
http://askubuntu.com/questions/68926/ugly-shadows-around-applications

This also happens with some windows which employ compositing to draw
transparent backgrounds. When "alpha_blur" setting of the blur plugin is
enabled, this leads to mirrored background.

The mirroring doesn't occur when blur plugin is disabled. The mirroring
didn't ever happen before 11.10.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: compizconfig-settings-manager 0.9.5.92-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Mon Oct 31 15:06:58 2011
ExecutablePath: /usr/bin/ccsm
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
SourcePackage: compizconfig-settings-manager
UpgradeStatus: Upgraded to oneiric on 2011-10-22 (8 days ago)

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 oneiric running-unity

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https://bugs.launchpad.net/bugs/884234

Title:
  Compiz blur plugin mirrors transparent backgrounds vertically

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