add chimeraos/gamescope-session support

.config/environment.d/gamescope-resolution.conf

@@ -0,0 +1,3 @@
+export SCREEN_HEIGHT="$(xrandr --current | grep '*' | uniq | awk '{print $1}' | cut -d 'x' -f1) -f"
+export SCREEN_WIDTH="$(xrandr --current | grep '*' | uniq | awk '{print $1}' | cut -d 'x' -f2)"
+if [ "$GAMESCOPECMD" ] ; then export GAMESCOPECMD+=" -W $SCREEN_WIDTH -H $SCREEN_HEIGHT" ; fi

.gitignore

@@ -0,0 +1 @@
+nohup.out

.local/share/gamescope-session-nested/gamescope

@@ -1,3 +1,4 @@
 #!/bin/bash
-echo "gamescope call intercepted, adding fullscreen flag"
-$GAMESCOPE -f "$@"
+set -x
+source ~/.config/environment.d/*.conf
+/usr/bin/gamescope -W $SCREEN_WIDTH -H $SCREEN_HEIGHT "$@"

.local/share/gamescope-session-nested/gamescope-session-nested.sh

@@ -1,14 +1,26 @@
 #!/bin/bash
 
-set -xeuo pipefail
+set -x
+cd "$(dirname "$(readlink -f -- "$0")")"
 
 if pgrep -x steam; then steam -shutdown; fi
 while pgrep -x steam; do sleep 1; done
 pkill -xe gamescope || true
 
-systemd-run --user --pty --pipe \
-    --setenv GAMESCOPE="$(which gamescope)" \
-    --setenv PATH="~/.local/share/gamescope-session-nested:$PATH" \
-    gamescope-session
+chimera="/usr/share/gamescope-session/gamescope-session-script"
+if [ -f "$chimera" ] ; then
+    SESSIONCMD=$chimera
+else
+    SESSIONCMD='gamescope-session'
+fi
 
-systemd-run --user steam -silent
+systemd-run --user --pty --pipe \
+    --setenv DISPLAY=$DISPLAY \
+    --setenv WAYLAND_DISPLAY=$WAYLAND_DISPLAY \
+    --setenv PATH="$PWD:$PATH" \
+    $SESSIONCMD
+
+systemd-run --user \
+    --setenv DISPLAY=$DISPLAY \
+    --setenv WAYLAND_DISPLAY=$WAYLAND_DISPLAY \
+    steam -silent -nofriendsui -nochatui