Change user settings env vars using protonfixes

12220.py

from protonfixes import util
from protonfixes import log

def main():
    """ GTA IV: EFLC game
    """
    log.info('Applying fixes for GTA IV: EFLC')

    util.append_argument('-windowed')
    util.append_argument('-nomemrestrict')
    util.append_argument('-norestrictions')
    util.append_argument('-fullspecaudio')

    util.ld_preload_remove('gameoverlayrenderer.so')

def game_settings():
    log.info('Applying settings for GTA IV: EFLC')
    #log.debug('PWD: ' + util.game_install_path())

    return {
        # Proton ------
        # Use wined3d for d3d11 instead of dxvk
        "PROTON_USE_WINED3D11": "1",

        # Use nvapi/nvcuda
        "PROTON_USE_NVAPI"            : "1",

        # Nvidia ------
        #"__GL_YIELD"                  : "USLEEP",
        #"__GL_THREADED_OPTIMIZATIONS" : "1",
        #"__GL_SYNC_TO_VBLANK"         : "0",
        "__GL_SHADER_DISK_CACHE_PATH" : util.game_install_path(),

        # strangle ------
        # https://gitlab.com/torkel104/libstrangle
        #
        # OpenGL
        #   -1 - Adaptive sync (unconfirmed if this actually works)
        #    0 - Force off
        #    1 - Force on
        #    n - Sync to refresh rate / n.
        # Vulkan
        #    0 - Force off
        #    1 - Mailbox mode. Vsync with uncapped framerate.
        #    2 - Traditional vsync with framerate capped to refresh rate.
        #    3 - Adaptive vsync with tearing at low framerates.
        "VSYNC"      : "0",
        "FPS"        : "120",

        # You can adjust the mipmap lod bias in both opengl and vulkan with the environment variable PICMIP.
        # A higher value means blurrier textures. A negative value could make textures crisper.
        "PICMIP" : "-1",

        # Might crash if used together with other libs that hijack dlsym, such as Steam Overlay.
        # It seems to work with Steam Overlay when placed at the end of LD_PRELOAD for some reason.
        #"LD_PRELOAD" : util.ld_preload("libstrangle.so:libstrangle64.so"),
        "LD_PRELOAD" : util.ld_preload("libstrangle.so"),
    }

settings.py

""" Gets the game id and applies a fix for user_settings if found
"""

from __future__ import print_function
import os
import re
import sys
from importlib import import_module
from . import log

def game_id():
    """ Trys to return the game id from environment variables
    """

    if 'SteamAppId' in os.environ:
        return os.environ['SteamAppId']
    if 'SteamGameId' in os.environ:
        return os.environ['SteamGameId']
    if 'STEAM_COMPAT_DATA_PATH' in os.environ:
        return re.findall(r'\d+', os.environ['STEAM_COMPAT_DATA_PATH'])[-1]

    log.info('Game ID not found in environment variables')
    return None


def game_settings():
    """ Loads a gamefix module by it's gameid
    """

    if not 'waitforexitandrun' in sys.argv[1]:
        return {}

    gameid = game_id()

    if gameid is not None:
        localpath = os.path.expanduser('~/.config/protonfixes/localfixes')
        if os.path.isfile(os.path.join(localpath, gameid + '.py')):
            open(os.path.join(localpath, '__init__.py'), 'a').close()
            sys.path.append(os.path.expanduser('~/.config/protonfixes'))
            try:
                game_module = import_module('localfixes.' + gameid)
                log.info('Using local protonfix settings for gameid ' + gameid)
                return game_module.game_settings()
            except ImportError:
                log.info('No local protonfix settings found for gameid ' + gameid)
        else:
            try:
                game_module = import_module('protonfixes.gamefixes.' + gameid)
                log.info('Using protonfix settings for gameid ' + gameid)
                return game_module.game_settings()
            except ImportError:
                log.info('No protonfix settings found for gameid ' + gameid)

    log.info('No protonfix settings found for gameid ' + game_id())

user_settings.py

#to enable these settings, name this file "user_settings.py"

user_settings = {
    #logs are saved to $HOME/steam-$STEAM_APP_ID.log, overwriting any previous log with that name
    #"WINEDEBUG": "+timestamp,+pid,+tid,+seh,+debugstr,+module",

    "DXVK_LOG_LEVEL": "info",
}

# protonfixes
# $XDG_CONFIG_HOME/protonfixes/localfixes/ for local changes
# https://github.com/simons-public/protonfixes
import protonfixes
from protonfixes import settings
from protonfixes import log
try:
  user_settings.update(settings.game_settings())
except:
  log.err('Protonfixes settings FAILED')
  pass