[Bug 296289] graphics/qt6-base or x11/plasma6-kwin: Qt6 openglwindow has high CPU and visual corruption on Plasma Wayland with NVIDIA

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296289

Tomoaki AOKI <junchoon@dec.sakura.ne.jp> changed:

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                 CC|                            |junchoon@dec.sakura.ne.jp

--- Comment #2 from Tomoaki AOKI <junchoon@dec.sakura.ne.jp> ---
Not sure about CPU loads, but does the workaround described in the "Known
Issues and Workarounds" section of README.md linked below help?

  https://github.com/NVIDIA/egl-wayland2#known-issues-and-workarounds

It's to define environment variable __NV_DISABLE_EXPLICIT_SYNC=1.


This component is available in port tree as graphics/egl-wayland2

  https://www.freshports.org/graphics/egl-wayland2/

and x11/nvidia-driver pulls it in for drivers 580.0 and later.

  https://cgit.freebsd.org/ports/tree/x11/nvidia-driver/Makefile#n59

Note that older version, graphics/egl-wayland, is still pulled in for 470 and
later, including 580, for fallbacks. But Wayland guys seems hating this version
of interface, thus, NVIDIA started providing the newer one.

Anyway, we're tracking latest tag for them on latest branch of ports tree.

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