Plasma desktop window uses RGBA

[Martin Graesslin]

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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