# A compositor that exists only so Sunshine has something to capture.
# mainframe has no desktop: the only connected output (HDMI-A-2) hangs off the
# Intel iGPU, while the RTX 3060 that does the encoding drives no monitor at
# all. Capturing the real output would mean grabbing on Intel and encoding on
# NVIDIA — a cross-GPU copy every frame. A virtual output on the 3060 keeps
# capture and NVENC on one card.

output HEADLESS-1 mode 1920x1080@60Hz position 0,0
output HEADLESS-1 background #101920 solid_color

# Sunshine is a systemd user unit, so it needs WAYLAND_DISPLAY in the user
# manager's environment. Import it before starting Sunshine, not after.
exec systemctl --user import-environment WAYLAND_DISPLAY XDG_CURRENT_DESKTOP
exec systemctl --user start sunshine.service

# Nothing is attached to this session locally, so keybinds are only useful
# through a Moonlight client. Keep the set minimal.
set $mod Mod4
bindsym $mod+Shift+q kill
bindsym $mod+Shift+e exec swaymsg exit

# No bar, no idle daemon, no lock screen — there is no one sitting here.