this post was submitted on 08 Jun 2025
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Linux Gaming
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Why do you use desktop mode for a game?
I like to have other apps like a browser easily accessible with proper window management. And most of my games are non-Steam games which allow me to easily swap between desktop and gamepad bindings easily to alt tab out.
And I've found that running KDE Plasma Wayland has no visible performance impact either. No idea why they use X11 in SteamOS.
Steam os is pretty old now, compared to the Wayland readiness timeline, and proton doesn't fully support Wayland yet
Ah, but the really funny thing is how Gaming Mode works.
They start the gamescope wayland compositor which launches an XWayland session to run the Steam client in. Which will start gamescope to run the game, which will use a second XWayland session to actually run the game in.
It'll probably take at least two more years until they can get rid of X.
Oh god, why have you cursed me with such knowledge
Remote play for whatever reason works far better in desktop mode