feat: Add scripts and systemd services for SteamOS session management and game launching

2025-10-31 19:57:42 +01:00
parent 7a7f2711fe
commit d42d717f6c
18 changed files with 63 additions and 13 deletions
@@ -0,0 +1,97 @@
+#!/bin/bash
+set -euo pipefail
+LOG_FILE="$HOME/.local/logs/session.log"
+
+log() { echo "[$(date --iso-8601=seconds)] $*" | tee -a "$LOG_FILE"; }
+
+start_gamescope() {
+  log "Starting Gamescope session..."
+
+  CONF_FILE="$HOME/.config/gamescope/gamescope.conf"
+  [ -f "$CONF_FILE" ] && source "$CONF_FILE"
+
+  OUTPUT_CONNECTOR=${OUTPUT_CONNECTOR:-HDMI-A-1}
+  FRAMERATE=${FRAMERATE:-60}
+  RESOLUTION=${RESOLUTION:-1920x1080}
+  WIDTH="${RESOLUTION%x*}"
+  HEIGHT="${RESOLUTION#*x}"
+
+  # export __GL_GSYNC_ALLOWED=1
+  # export __GL_VRR_ALLOWED=1
+  # # export __GL_THREADED_OPTIMIZATIONS=1
+  # export __GL_SHADER_DISK_CACHE=1
+  # export __GL_SYNC_TO_VBLANK=0
+
+  GAMESCOPE_BIN="$(command -v gamescope || true)"
+  if [ -z "$GAMESCOPE_BIN" ]; then
+    log "ERROR: gamescope not found in PATH"
+    exit 127
+  fi
+
+  HDR_FLAG=""
+  if [[ "$HDR_ENABLED" == "1" || "$HDR_ENABLED" == "true" || "$HDR_ENABLED" == "yes" ]]; then
+      HDR_FLAG="--hdr-enabled"
+      log "HDR flag added: --hdr-enabled"
+  else
+      log "HDR disabled, no HDR flag added"
+  fi
+
+  env | tee -a "$LOG_FILE"
+
+  # Build gamescope argument array for safe quoting and readability
+  GAMESCOPE_ARGS=(
+    --generate-drm-mode fixed
+    --fade-out-duration 200
+    --cursor-scale-height 720
+    -f
+    -W "$WIDTH" -H "$HEIGHT"
+    -w "$WIDTH" -h "$HEIGHT"
+    --rt --mangoapp -e
+    -O "$OUTPUT_CONNECTOR"
+    -r "$FRAMERATE"
+  )
+
+  # Append HDR flag if enabled
+  if [ -n "${HDR_FLAG:-}" ]; then
+    GAMESCOPE_ARGS+=("$HDR_FLAG")
+  fi
+
+  log "Launching Gamescope: $GAMESCOPE_BIN ${GAMESCOPE_ARGS[*]} -- $*"
+
+  # Execute gamescope inside a DBus session, preserving proper argument quoting
+  exec dbus-run-session -- "$GAMESCOPE_BIN" "${GAMESCOPE_ARGS[@]}" -- "$@" >>"$LOG_FILE" 2>&1
+}
+
+start_kwin() {
+  log "Starting KWin session..."
+  KWIN_BIN="$(command -v kwin_wayland || true)"
+  if [ -z "$KWIN_BIN" ]; then
+    log "ERROR: kwin_wayland not found in PATH"
+    exit 127
+  fi
+
+  export XDG_CURRENT_DESKTOP=plasma
+  export XDG_SESSION_TYPE=wayland
+  export XDG_DATA_DIRS=/usr/local/share/:/usr/share/
+  export XDG_CONFIG_DIRS=/usr/local/etc/xdg:/etc/xdg
+  export XDG_CURRENT_DESKTOP=KDE
+  export XDG_RUNTIME_DIR=/run/user/$(id -u)
+
+  # Ensure we don't run nested; width/height/fullscreen are for the windowed backend.
+  unset DISPLAY WAYLAND_DISPLAY
+  KWIN_ARGS="--drm --exit-with-session"
+  log "Launching KWin (DRM): $KWIN_BIN ${KWIN_ARGS} $*"
+  exec dbus-run-session -- "$KWIN_BIN" ${KWIN_ARGS} "$@" >>"$LOG_FILE" 2>&1
+}
+
+export XDG_SEAT=seat0
+
+if [[ -f "$HOME/.desktop-session-plasma" ]]; then
+  log "Plasma session selected."
+  rm "$HOME/.desktop-session-plasma"
+  start_kwin /usr/local/bin/launch_kde.sh
+else
+  log "Gamescope session selected."
+  start_gamescope /usr/local/bin/launch_steam.sh
+fi
+