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List:       kde-panel-devel
Subject:    Re: Plasma desktop window uses RGBA
From:       Martin Graesslin <mgraesslin () kde ! org>
Date:       2016-08-09 11:56:09
Message-ID: 1920569.DNBPoiYjy7 () martin-desktop
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On Tuesday, August 9, 2016 11:16:33 AM CEST Martin Graesslin wrote:
> Hi all,
> 
> I just noticed that Plasma's desktop window uses an RGBA format. This is not
> only completely pointless as it's the bottom most window, it's also
> destroying all optimizations in KWin. KWin always has to go into the
> blending code path, which means rendering from bottom to top instead of
> rendering from top to bottom. And also KWin always has to clear the color
> buffer before rendering the Plasma desktop window.
> 
> Anyone an idea how we can change this?

Forcing in KWin with: D2382

Cheers
Martin

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