def get_config():
"""Return the current display resolution
This method uses XrandR and will not work on wayland
The output can be fed in `set_resolution`
"""
return get_outputs()
def configure_game(self, prelaunched, error=None):
"""Get the game ready to start, applying all the options
This methods sets the game_runtime_config attribute.
"""
if error:
logger.error(error)
dialogs.ErrorDialog(str(error))
if not prelaunched:
logger.error("Game prelaunch unsuccessful")
dialogs.ErrorDialog("An error prevented the game from running")
self.state = self.STATE_STOPPED
self.emit("game-stop")
return
system_config = self.runner.system_config
self.original_outputs = sorted(
get_outputs(),
key=lambda e: e.name == system_config.get("display"))
gameplay_info = self.runner.play()
if "error" in gameplay_info:
self.show_error_message(gameplay_info)
self.state = self.STATE_STOPPED
self.emit("game-stop")
return
logger.debug("Launching %s: %s", self.name, gameplay_info)
logger.debug("Game info: %s", json.dumps(gameplay_info, indent=2))
env = {}
sdl_gamecontrollerconfig = system_config.get(
"sdl_gamecontrollerconfig")
if sdl_gamecontrollerconfig:
path = os.path.expanduser(sdl_gamecontrollerconfig)
if system.path_exists(path):
with open(path, "r") as controllerdb_file:
sdl_gamecontrollerconfig = controllerdb_file.read()
env["SDL_GAMECONTROLLERCONFIG"] = sdl_gamecontrollerconfig
sdl_video_fullscreen = system_config.get("sdl_video_fullscreen") or ""
env["SDL_VIDEO_FULLSCREEN_DISPLAY"] = sdl_video_fullscreen
restrict_to_display = system_config.get("display")
if restrict_to_display != "off":
if restrict_to_display == "primary":
restrict_to_display = None
for output in self.original_outputs:
if output.primary:
restrict_to_display = output.name
break
if not restrict_to_display:
logger.warning("No primary display set")
else:
found = False
for output in self.original_outputs:
if output.name == restrict_to_display:
found = True
break
if not found:
logger.warning("Selected display %s not found",
restrict_to_display)
restrict_to_display = None
if restrict_to_display:
turn_off_except(restrict_to_display)
time.sleep(3)
self.resolution_changed = True
resolution = system_config.get("resolution")
if resolution != "off":
DISPLAY_MANAGER.set_resolution(resolution)
time.sleep(3)
self.resolution_changed = True
if system_config.get("reset_pulse"):
audio.reset_pulse()
self.killswitch = system_config.get("killswitch")
if self.killswitch and not system.path_exists(self.killswitch):
# Prevent setting a killswitch to a file that doesn't exists
self.killswitch = None
# Command
launch_arguments = gameplay_info["command"]
optimus = system_config.get("optimus")
if optimus == "primusrun" and system.find_executable("primusrun"):
launch_arguments.insert(0, "primusrun")
elif optimus == "optirun" and system.find_executable("optirun"):
launch_arguments.insert(0, "virtualgl")
launch_arguments.insert(0, "-b")
launch_arguments.insert(0, "optirun")
elif optimus == "pvkrun" and system.find_executable("pvkrun"):
launch_arguments.insert(0, "pvkrun")
xephyr = system_config.get("xephyr") or "off"
if xephyr != "off":
if not system.find_executable("Xephyr"):
raise GameConfigError(
"Unable to find Xephyr, install it or disable the Xephyr option"
)
xephyr_depth = "8" if xephyr == "8bpp" else "16"
xephyr_resolution = system_config.get(
"xephyr_resolution") or "640x480"
xephyr_command = [
"Xephyr",
":2",
"-ac",
"-screen",
xephyr_resolution + "x" + xephyr_depth,
"-glamor",
"-reset",
"-terminate",
]
if system_config.get("xephyr_fullscreen"):
xephyr_command.append("-fullscreen")
xephyr_thread = MonitoredCommand(xephyr_command)
xephyr_thread.start()
time.sleep(3)
env["DISPLAY"] = ":2"
if system_config.get("use_us_layout"):
setxkbmap_command = [
"setxkbmap", "-model", "pc101", "us", "-print"
]
xkbcomp_command = ["xkbcomp", "-", os.environ.get("DISPLAY", ":0")]
xkbcomp = subprocess.Popen(xkbcomp_command, stdin=subprocess.PIPE)
subprocess.Popen(setxkbmap_command,
env=os.environ,
stdout=xkbcomp.stdin).communicate()
xkbcomp.communicate()
pulse_latency = system_config.get("pulse_latency")
if pulse_latency:
env["PULSE_LATENCY_MSEC"] = "60"
vk_icd = system_config.get("vk_icd")
if vk_icd and vk_icd != "off" and system.path_exists(vk_icd):
env["VK_ICD_FILENAMES"] = vk_icd
fps_limit = system_config.get("fps_limit") or ""
if fps_limit:
strangle_cmd = system.find_executable("strangle")
if strangle_cmd:
launch_arguments = [strangle_cmd, fps_limit] + launch_arguments
else:
logger.warning(
"libstrangle is not available on this system, FPS limiter disabled"
)
prefix_command = system_config.get("prefix_command") or ""
if prefix_command:
launch_arguments = (
shlex.split(os.path.expandvars(prefix_command)) +
launch_arguments)
single_cpu = system_config.get("single_cpu") or False
if single_cpu:
logger.info("The game will run on a single CPU core")
launch_arguments.insert(0, "0")
launch_arguments.insert(0, "-c")
launch_arguments.insert(0, "taskset")
terminal = system_config.get("terminal")
if terminal:
terminal = system_config.get("terminal_app",
system.get_default_terminal())
if terminal and not system.find_executable(terminal):
dialogs.ErrorDialog("The selected terminal application "
"could not be launched:\n"
"%s" % terminal)
self.state = self.STATE_STOPPED
self.emit("game-stop")
return
# Env vars
game_env = gameplay_info.get("env") or self.runner.get_env()
env.update(game_env)
env["game_name"] = self.name
# Prime vars
prime = system_config.get("prime")
if prime:
env["__NV_PRIME_RENDER_OFFLOAD"] = "1"
env["__GLX_VENDOR_LIBRARY_NAME"] = "nvidia"
env["__VK_LAYER_NV_optimus"] = "NVIDIA_only"
# LD_PRELOAD
ld_preload = gameplay_info.get("ld_preload")
if ld_preload:
env["LD_PRELOAD"] = ld_preload
# Feral gamemode
gamemode = system_config.get("gamemode")
if gamemode:
env["LD_PRELOAD"] = ":".join([
path for path in [
env.get("LD_PRELOAD"),
"libgamemodeauto.so",
] if path
])
# LD_LIBRARY_PATH
game_ld_libary_path = gameplay_info.get("ld_library_path")
if game_ld_libary_path:
ld_library_path = env.get("LD_LIBRARY_PATH")
if not ld_library_path:
ld_library_path = "$LD_LIBRARY_PATH"
env["LD_LIBRARY_PATH"] = ":".join(
[game_ld_libary_path, ld_library_path])
include_processes = shlex.split(
system_config.get("include_processes", ""))
exclude_processes = shlex.split(
system_config.get("exclude_processes", ""))
self.game_runtime_config = {
"args": launch_arguments,
"env": env,
"terminal": terminal,
"include_processes": include_processes,
"exclude_processes": exclude_processes,
}
if system_config.get("disable_compositor"):
self.set_desktop_compositing(False)
# xboxdrv setup
xboxdrv_config = system_config.get("xboxdrv")
if xboxdrv_config:
self.xboxdrv_start(xboxdrv_config)
prelaunch_command = system_config.get("prelaunch_command")
if system.path_exists(prelaunch_command):
self.prelaunch_executor = MonitoredCommand(
[prelaunch_command],
include_processes=[os.path.basename(prelaunch_command)],
env=self.game_runtime_config["env"],
cwd=self.directory,
)
self.prelaunch_executor.start()
logger.info("Running %s in the background", prelaunch_command)
if system_config.get("prelaunch_wait"):
self.heartbeat = GLib.timeout_add(HEARTBEAT_DELAY,
self.prelaunch_beat)
else:
self.start_game()