Public bug reported:
After today's update (Oct 15) of several compiz packages, the
performance of compiz (speed of changing between different
saturation/brightness) will decrease after activating/deactivating
plugins in CCSM. Using the options (Normal/Extra) in the Appearance
Preferences dialog doesn't not affect the performance, moreover if the
performance has become bad, using Normal/Extra will reset compiz into
good performance.
Changing detailed settings of a plugin (no matter activated or not)
won't affect the performance.
Steps to reproduce:
1. Open Appearance Preferences dialog, go to the Visual Effects page,
select Normal (or Extra). Switch between different windows, notice the
window's saturation/brightness changes immediately after switching
focus.
2. Launch CompizConfig Settings Manager, activate or deactivate any
plugins, e.g. ADD Helper. After this, switch between windows again, now
the window's saturation/brightness change will finish in 1~2 seconds.
Revert the change made in CCSM will not solve the issue.
3. Open Appearance Preferences dialog again and select Normal (or Extra)
in Viusal Effects page, the switching effect will be normal again.
The steps above is shown in the screencast attached.
Hardware: Thinkpad T43 2668 with ATI Mobility Radeon X300
uname -a
Linux strasbourg 2.6.27-7-generic #1 SMP Tue Oct 14 18:40:44 UTC 2008 i686
GNU/Linux
Package: compiz
State: installed
Automatically installed: no
Version: 1:0.7.8-0ubuntu3
Package: compiz-core
State: installed
Automatically installed: no
Version: 1:0.7.8-0ubuntu3
Package: compiz-plugins
State: installed
Automatically installed: no
Version: 1:0.7.8-0ubuntu3
Package: compiz-gnome
State: installed
Automatically installed: no
Version: 1:0.7.8-0ubuntu3
Package: xorg
State: installed
Automatically installed: no
Version: 1:7.4~2ubuntu7
Package: xserver-xorg
State: installed
Automatically installed: no
Version: 1:7.4~2ubuntu7
Package: xserver-xorg-video-ati
State: installed
Automatically installed: yes
Version: 1:6.9.0+git20081003.f9826a56-0ubuntu2
** Affects: compiz (Ubuntu)
Importance: Undecided
Status: New
--
[Intrepid] Compiz Performance decreases after activating/deactivating plugins
in CompizConfig Settings Manager
https://bugs.launchpad.net/bugs/283846
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