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List: kde
Subject: Re: How to use the "opengl" qt rendering backend instead of "raster"?
From: Duncan <1i5t5.duncan () cox ! net>
Date: 2018-05-22 7:21:01
Message-ID: pan$4695c$6f4c6964$f9be9e53$a9d6397a () cox ! net
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René J.V. Bertin posted on Mon, 21 May 2018 10:46:39 +0200 as excerpted:
>>Whenever I cause a redraw of a KDE-5 application, I always see a lot of
>>cycles spent in software rendering/blending loops - even for operations
>>which can be easily done with OpenGL (blits with alpha).
>>The kde page "KDE Mailing Lists" only shows this list - and a separate
>>list for developers.
>>Is there a separate list for plasma questions?
>
> I don't think there is, but your question is technical enough to pose on
> a developers' list even if you're doing any Plasma development yourself.
> This particular list is mostly driven by users; I answered because
> experience leads me to expect you will probably not get much more
> helpful feedback here.
> But you'd do good to figure out what those software rendering loops are
> actually drawing.
Agreed. Any time you're talking about seeing cycles spend in software
rendering/blending loops, you're in developer territory. Both RJVB and I
are reasonably advanced users, gentooers used to building from source,
even live-git sources, and applying patches, etc, but speaking for myself
at least (RJVB can speak for himself), I'm not a dev, and while I can
generally follow such discussions, and have followed the plasma list and
the (largely) pre-commit discussion there at times, there's little I
could actually contribute in the way of a useful answer, other than to
point you to the plasma-devel list (which, FWIW, I followed as I do this
one, via news.gmane.org 's list2news service).
--
Duncan - List replies preferred. No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master." Richard Stallman
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