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[Launchpad Bug Tracker <1598770@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package compiz -
1:0.9.12.2+16.04.20160714-0ubuntu1

---------------
compiz (1:0.9.12.2+16.04.20160714-0ubuntu1) xenial; urgency=medium

  [ Eleni Maria Stea ]
  * Added options for no animation in expo and scale plugins. They skip
    the intermediate fading steps that force several redraws.
  * Added a new option in show desktop plugin that skips the fade
    animation: useful when performance is more important than eyecandy.

  [ Marco Trevisan (Treviño) ]
  * debian: add unity-lowgfx profile to compizconfig (LP: #1598770)
  * Composite: use C++ goodness for managing damaging rectangles
  * ccsGSettingsBackend: don't try to update setting if wrapper is not
    found
  * migration scripts: remove unsupported plugins for all the unity
    profiles

 -- Marco Trevisan (Treviño) <mail@xxxxxxxxx>  Thu, 14 Jul 2016 16:00:57
+0000

** Changed in: unity (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1598770

Title:
  Unity in low-graphics mode has animations and unneeded redraws

Status in compiz package in Ubuntu:
  Fix Released
Status in nux package in Ubuntu:
  Fix Released
Status in unity package in Ubuntu:
  Fix Released
Status in unity-control-center package in Ubuntu:
  Fix Released
Status in compiz source package in Xenial:
  Fix Released
Status in nux source package in Xenial:
  Fix Released
Status in unity source package in Xenial:
  Fix Released
Status in unity-control-center source package in Xenial:
  Fix Released

Bug description:
  [Impact]

  When unity is in Low graphics mode (because of software rendering)
  there are still window animations and fade effects which we should get
  rid of.

  
  [Test case]

  This should apply naturally to a (virtual-)machine with no hardware
  acceleration or There are multiple ways to force low-gfx mode:

  1) Add an upstart job such as:

  cat << EOF > ~/.config/upstart/lowgfx.conf
  start on starting unity7

  pre-start script
    #initctl set-env --global UNITY_LOW_GFX_MODE=1
    initctl set-env --global LIBGL_ALWAYS_SOFTWARE=1
  end script
  EOF 

  
  2) Run unity with:
     COMPIZ_CONFIG_PROFILE=ubuntu-lowgfx

  On login unity should use opaque views (dash, switcher, launcher,
  shortcut-dialogs) with no fading and reduced effects. Windows should
  also use smaller shadows.

  
  [Regression potential]

  Some settings from unity-control-center couldn't be applied to normal
  profile. Low graphics mode might be used as normal one.

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