Compiz does not paint background

Bug #1574866 reported by Alberts Muktupāvels on 2016-04-25
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Alberts Muktupāvels
compiz (Ubuntu)
Nominated for Xenial by Marco Trevisan (Treviño)

Bug Description

These days nautilus has transparent desktop window.

OpenGL plugin simply checks for desktop window count to decide if it should paint background or not. It works only if desktop window is opaque.

1) Simplest fix would be to remove this check and paint background always.
2) Not so simple would be to change how desktop windows are counted:
- count only opaque windows, ignore if window has alpha and/or 32 depth. This could introduce regressions?
- add extra variable to keep count with opaque windows.

Other ideas?

Related branches

Andrea Azzarone (azzar1) on 2016-04-26
Changed in compiz:
status: New → In Progress
Changed in compiz:
importance: Undecided → Medium
assignee: nobody → Alberts Muktupāvels (albertsmuktupavels)
Changed in compiz:
status: In Progress → Fix Committed
Changed in compiz (Ubuntu):
status: New → In Progress
status: In Progress → Fix Released

Hello Alberts, or anyone else affected,

Accepted compiz into xenial-proposed. The package will build now and be available at in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at . Thank you in advance!

Changed in compiz (Ubuntu Xenial):
status: New → Fix Committed
tags: added: verification-needed
tags: added: verification-done
removed: verification-needed
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package compiz - 1:

compiz (1: xenial; urgency=medium

  [ Andrea Azzarone ]
  * Add an option to notify that a key press is actually an "auto
    repeat" one. (LP: #1572241)

  [ Alberts Muktupāvels ]
  * OpenGL: use the number of Opaque windows around to decide whether
    paint the bg or not (LP: #1574866)

  [ Marco Trevisan (Treviño) ]
  * Scale: use the selectedWindow as starting point when focusing a
    window (LP: #1575168)
  * Scale: allow to iterate through windows using Tab key
  * Window: call stateChangeNotify when compiz state changed but before
    changing the WM state (LP: #1521302)

  [ Eleni Maria Stea ]
  * Expo, Scale: add support for bottom offsets (LP: #1562346, LP:

  [ handsome_feng ]
  * Add a YBottomOffset value when stretch maximized windows。 (LP:

  [ CI Train Bot ]
  * No-change rebuild.

 -- Marco Trevisan (Treviño) <> Thu, 26 May 2016 00:12:16 +0000

Changed in compiz (Ubuntu Xenial):
status: Fix Committed → Fix Released

The verification of the Stable Release Update for compiz has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

Changed in compiz:
status: Fix Committed → Fix Released
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