sunshine, gamescope + steam

game.sh

#!/usr/bin/env bash

# TODO: test wayland gamescope session
export DISPLAY=:0						# vnc
export WAYLAND_DISPLAY=:2				# xwayland
export DXVK_HDR=1
export ENABLE_GAMESCOPE_WSI=1

# Check existing X server
start_x() {
	pgrep X >/dev/null
	if [[ $? -ne 0 ]]; then
		echo "Starting X server"
		startx &>/dev/null &
		if [[ $? -eq 0 ]]; then
			echo "X server started successfully"
		else
			echo "X server failed to start"
		fi
	else
		echo "X server already running"
	fi
}

# Check if sunshine is already running
start_sunshine() {
	pgrep sunshine >/dev/null
	if [[ $? -ne 0 ]]; then
		sudo ~/.local/bin/sunshine-setup.sh
		echo "Starting Sunshine!"
		sunshine > /dev/null &
		if [[ $? -eq 0 ]]; then
			echo "Sunshine started successfully"
		else
			echo "Sunshine failed to start"
		fi
	else
		echo "Sunshine is already running"
	fi
}

# start steam via gamescope
start_gamescope() {
	pgrep steam >/dev/null
	if [[ $? -ne 0 ]]; then
		echo "Starting Steam via Gamescope"
		gamescope --headless -e \
			-W 1920 -H 1080 \
			--disable-color-management \
			-- steam \
			-gamepadui \
			-steamos3 \
			-steampal \
			-steamdeck \
			-pipewire-dmabuf \
			&> /dev/null &
		if [[ $? -eq 0 ]]; then
			echo "Steam started successfully"
		else
			echo "Steam failed to start"
		fi
	else
		echo "Steam is already running"
	fi
}

# Add any other Programs that you want to startup automatically
start_etc() {
	firefox &> /dev/null &
	kdeconnect-app &> /dev/null &
}

stop_process() {
	sudo killall $1 2&> /dev/null || echo "$1 not running"
}

main() {
	case $1 in
		"on")
			start_x
			start_gamescope
			start_sunshine
			;;
		"off")
			set -a procs
			procs=("gamescope" "sunshine" "steam" "startx")
			for p in "${procs[@]}"; do
				stop_process $p
			done
			;;
		""|*)
			echo -e "USAGE:\t./$(basename $0) <on|off>"
			;;
	esac
	# start_etc
}
main "$@"

λ ln -s $(pwd)/game.sh ~/.local/bin/game

λ game
USAGE:  ./game <on|off>