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List:       kde-bugs-dist
Subject:    [kwin] [Bug 278894] Flash 11 Beta has choppy, slow full screen in KWin but not Metacity or Compiz.
From:       Thomas Lübking <thomas.luebking () gmail ! com>
Date:       2014-08-09 9:54:02
Message-ID: bug-278894-17878-623mSwX4Jz () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=278894

Thomas Lübking <thomas.luebking@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|thomas.luebking@gmail.com   |

--- Comment #17 from Thomas Lübking <thomas.luebking@gmail.com> ---
Thanks, as the new config is still empty, please also attach the output of

   qdbus org.kde.kwin /KWin supportInformation

If you qdbus yells an error, you lack the "qtchooser" package.

For the records, the old config unredirected fullscreen windows, ie. KWin
compositing explicitly had no impact on those choppy flash windows.
I suppose either the driver or flash or the video sink used by flash was
"confused" by the unredirection.

Also notice that unredirection was long time disabled by default upstream
(crashes the intel driver), but some distros (*cough* ubuntu *cough*) patched
it to enabled by default.

You might want to check whether this setting ("kcmshell4 kwincompositing", 3rd
tab, "suspend compositing for fullscreen windows") breaks it.*

However, let's first see the runtime settings =)

*notice that the feature is currently forcefully disabled for intel chips.

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