[kwin] [Bug 523716] Opengl ES performs worse than normal Opengl.

Zamundaaa <[email protected]> Tue, 04 Aug 2026 12:09:13 +0000
Newsgroups gmane.comp.kde.devel.bugs
Message-ID <[email protected]/>
https://bugs.kde.org/show_bug.cgi?id=523716

Zamundaaa <[email protected]> changed:

           What    |Removed                     |Added
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             Status|REPORTED                    |NEEDSINFO
         Resolution|---                         |WAITINGFORINFO
                 CC|                            |[email protected]

--- Comment #4 from Zamundaaa <[email protected]> ---
> It's triggered by panel auto-hide and the panel dodge window effect.
That's unrelated to OpenGL or KWin, it's a bug in Qt:
https://qt-project.atlassian.net/browse/QTBUG-126365
I assume you have some non-default widget on the panel? We avoid the relevant
animations in our own code to work around the issue.

> If you open glxgears, then open the overview, the render usage goes from a normal 10% usage with glxgears running on the desktop to 100% when the overview is opened
I can't confirm that. It's expected to have ever so slightly higher GPU usage,
since the window thumbnail needs to do an additional copy, but that's about it.

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