Scripts for automatic sunshine virtual display on sway or hyprland with custom resolution matching moonlight client

hyprland.commands

# make sure sunshine is using "wlr" capture mode to see headless displays
# create a new "Headless" app in sunshine for virtual display and set:

# do commands
sh -c "hyprctl keyword monitor HEADLESS-2,${SUNSHINE_CLIENT_WIDTH}x${SUNSHINE_CLIENT_HEIGHT}@${SUNSHINE_CLIENT_FPS},auto,1"
hyprctl keyword monitor eDP-1,disable

# matching undo commands
hyprctl keyword monitor HEADLESS-2,disable
hyprctl reload

# now you can connect to the real "Desktop" app or the "Headless" screen
# that automatically matches moonlight client res and disables real display

hyprland.config

# configure your real monitor
monitor = eDP-1,preferred,auto,auto

# configure your virtual monitor, you probably want this to start disabled cause you can't see it
monitor = HEADLESS-2,disable
exec-once = hyprctl output create headless

# duh
exec-once = sunshine

# blah blah rest of your hyprland config

sway.commands

# make sure sunshine is using "wlr" capture mode to see headless displays
# create a new "Headless" app in sunshine for virtual display and set:

# do commands
sh -c "swaymsg output HEADLESS-1 enable; swaymsg output HEADLESS-1 mode ${SUNSHINE_CLIENT_WIDTH}x${SUNSHINE_CLIENT_HEIGHT}@${SUNSHINE_CLIENT_FPS}Hz"
swaymsg output eDP-1 disable

# matching undo commands
swaymsg output HEADLESS-1 disable
swaymsg output eDP-1 enable

# now you can connect to the real "Desktop" app or the "Headless" screen
# that automatically matches moonlight client res and disables real display

sway.config

# configure your real monitor
output eDP-1 mode 1366x768

# configure your virtual monitor, you probably want this to start disabled cause you can't see it
output HEADLESS-1 mode 1920x1080 disable
exec swaymsg create_output HEADLESS-1

# duh
exec sunshine

# blah blah rest of your sway config