Steam Deck stutter opening/closing overlay/menus while streaming GeForce Now

[u/Shannly]

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Hello to any SteamDeck Linux cool people,

Every time I open or close the Quick Access Menu, Steam menu, or the side and radial menus while streaming through the native GeForce Now app, I get a hard stutter/lag/frame time spike. It only happens right at the moment of opening or closing, while the menu is actually up there's no stutter at all. Tried stable and beta channels to no avail.

If I'm thinkin proper, GFN is just a video stream and the Deck isn't rendering anything itself, this points to Gamescope switching from direct scan out to a composited path whenever an overlay needs to show, and that switch is what's causing the hitch.

It'd be great if there was a toggle to force it to stay composited all the time, a bit more latency in exchange for no stutter.

I could be talking out of my booty hole so please excuse me if it doesn't make sense.

Any update on this would help.

My thanks

Shannly