Gamescope

gamescope is Valve's micro-compositor designed to isolate games from the host desktop environment. Used extensively on SteamOS and the Steam Deck, it provides integer scaling, FidelityFX Super Resolution (FSR), and low-latency frame pacing.

Features:

Sandboxes games into an isolated XWayland compositor instance
Advanced upscaling technologies including AMD FSR and integer scaling
Low-latency frame pacing, variable refresh rate (VRR), and frame rate capping
Seamless resolution handling preventing games from altering your desktop resolution
Wayland-native architecture with HDR color management support

Screenshots

Sites

https://github.com/ValveSoftware/gamescope

Sources

https://github.com/pkgforge-dev/gamescope-appimage

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