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Explicit GPU Synchronization for Xwayland now merged (www.gamingonlinux.com)

submitted 7 months ago by tarsisurdi@lemmy.eco.br to c/linux_gaming@lemmy.ml

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This merge resquest has finally been merged into XWayland, which means NVIDIA users are just one beta driver release away (May 15th) from probably having a good experience on Wayland now!

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[–] Rustmilian@lemmy.world 3 points 7 months ago* (last edited 7 months ago) (1 children)

Here's just a tiny fraction of the Nvidia specific bugs on X11 :

https://github.com/NVIDIA/open-gpu-kernel-modules/issues/380

https://bbs.archlinux.org/viewtopic.php?id=283461

https://forums.developer.nvidia.com/t/16-bit-overlays-broken-with-x11-and-4xx-series-driver/128067

https://bugs.kde.org/show_bug.cgi?id=460341

labwc

You're using a WM bud, wtf do you expect?

[–] Dirk@lemmy.ml 1 points 7 months ago (1 children)

You’re using a WM bud, wtf do you expect?

I expect it to work, like Openbox works on X11.

[–] Rustmilian@lemmy.world 2 points 7 months ago* (last edited 7 months ago) (1 children)

You miss the entire point of WMs then.
You're complaining about 7 lines of configs when the entire point of WMs is for you to literally customize everything through configs.
Shit, you probably don't even need half of that crap. QT_QPA_PLATFORM=wayland is already handled by qt, you only need that when running apps across Waypipe from a headless server environment. By default QT infers your environment from $DISPLY which is always :0 in Wayland.

[–] Dirk@lemmy.ml 0 points 7 months ago* (last edited 7 months ago) (1 children)

Thank you for educating me on basic knowledge about WMs, which I use since ove a decade.

I just expect applications behave the same. I have literally not one single line of configuration for X11 in any of my configuration files.

I need this QT variable, otherwise Cura does not work properly.

[–] Rustmilian@lemmy.world 2 points 7 months ago* (last edited 7 months ago) (1 children)

Cura as in this one? :

[–] Dirk@lemmy.ml 1 points 7 months ago (1 children)

Exactly. When the variable is unset the UI shows massive artifacts and weird rendering glitches.

[–] Rustmilian@lemmy.world 2 points 7 months ago* (last edited 7 months ago)

I don't see any graphical glitches on my hardware.
Perhaps you're still on the qt5 version?
Maybe a bug with your Nvidia driver?
Perhaps your WM doesn't have explicit sync yet and your card & driver needs it in this particular case? Perhaps it's running under XWayland?

Wayland#Qt :
While it shouldn't be necessary, to explicitly run a Qt application with the Wayland plugin, use -platform wayland or QT_QPA_PLATFORM=wayland environment variable.

As it says above, it should really be inferred by default. Something weird is going on here.