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gamescope is a port of steamcompmgr as Wayland compositor.

Build

Configure with meson and build with ninja.

Run

After building you can launch it directly on a VT or from another Wayland/X11 session in nested mode. At the moment the following operation modes are supported:

• With Steam integration.
• To test other X11 clients on it.

With Steam integration

Start gamescope with the -e flag and start Steam with it like:

gamescope -e -- steam -tenfoot -steamos

Testing other X11 clients

Launch other clients from a second terminal via DISPLAY=:1 glxgears assuming gamescope's XWayland instance uses DISPLAY id 1. You can also start Steam this way on it, but the best integration is ensured when running in integration mode.

Using hardware planes

If you run gamescope on a VT it'll try to use hardware planes if possible. This can be disabled with the -L flag. For additional debugging information also issue the -d flag. You can also force a resolution with the -w and -h parameters. Together a command to run gamescope from a VT with layers, debugging and in 4K would be for example:

gamescope -e -d -w 3840 -h 2160 -- steam -tenfoot -steamos

You can use this command also in a nested session. The -L, -d parameters will be ignored then.