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import os
from typing import Dict, Any
import decky
class ConfigurationService:
"""Service for managing lsfg script configuration"""
def __init__(self):
self.user_home = os.path.expanduser("~")
self.lsfg_script_path = os.path.join(self.user_home, "lsfg")
async def get_config(self) -> Dict[str, Any]:
"""Read current lsfg script configuration"""
try:
if not os.path.exists(self.lsfg_script_path):
return {
"success": False,
"error": "lsfg script not found"
}
with open(self.lsfg_script_path, 'r') as f:
content = f.read()
# Parse the script content to extract current values
config = {
"enable_lsfg": False,
"multiplier": 2,
"flow_scale": 1.0,
"hdr": False,
"perf_mode": False,
"immediate_mode": False
}
lines = content.split('\n')
for line in lines:
line = line.strip()
# Handle ENABLE_LSFG - check if it's commented out or not
if line.startswith('export ENABLE_LSFG='):
try:
value = line.split('=')[1].strip()
config["enable_lsfg"] = value == '1'
except:
pass
elif line.startswith('# export ENABLE_LSFG='):
config["enable_lsfg"] = False
# Handle LSFG_MULTIPLIER
elif line.startswith('export LSFG_MULTIPLIER='):
try:
value = line.split('=')[1].strip()
config["multiplier"] = int(value)
except:
pass
# Handle LSFG_FLOW_SCALE
elif line.startswith('export LSFG_FLOW_SCALE='):
try:
value = line.split('=')[1].strip()
config["flow_scale"] = float(value)
except:
pass
# Handle LSFG_HDR - check if it's commented out or not
elif line.startswith('export LSFG_HDR='):
try:
value = line.split('=')[1].strip()
config["hdr"] = value == '1'
except:
pass
elif line.startswith('# export LSFG_HDR='):
config["hdr"] = False
# Handle LSFG_PERF_MODE - check if it's commented out or not
elif line.startswith('export LSFG_PERF_MODE='):
try:
value = line.split('=')[1].strip()
config["perf_mode"] = value == '1'
except:
pass
elif line.startswith('# export LSFG_PERF_MODE='):
config["perf_mode"] = False
# Handle MESA_VK_WSI_PRESENT_MODE - check if it's commented out or not
elif line.startswith('export MESA_VK_WSI_PRESENT_MODE='):
try:
value = line.split('=')[1].strip()
# Remove any comments after the value
value = value.split('#')[0].strip()
config["immediate_mode"] = value == 'immediate'
except:
pass
elif line.startswith('# export MESA_VK_WSI_PRESENT_MODE='):
config["immediate_mode"] = False
decky.logger.info(f"Parsed lsfg config: {config}")
return {
"success": True,
"config": config
}
except Exception as e:
decky.logger.error(f"Error reading lsfg config: {str(e)}")
return {
"success": False,
"error": str(e)
}
async def update_config(self, enable_lsfg: bool, multiplier: int, flow_scale: float,
hdr: bool, perf_mode: bool, immediate_mode: bool) -> Dict[str, Any]:
"""Update lsfg script configuration"""
try:
# Create script content based on parameters
script_content = "#!/bin/bash\n\n"
if enable_lsfg:
script_content += "export ENABLE_LSFG=1\n"
else:
script_content += "# export ENABLE_LSFG=1\n"
script_content += f"export LSFG_MULTIPLIER={multiplier}\n"
script_content += f"export LSFG_FLOW_SCALE={flow_scale}\n"
if hdr:
script_content += "export LSFG_HDR=1\n"
else:
script_content += "# export LSFG_HDR=1\n"
if perf_mode:
script_content += "export LSFG_PERF_MODE=1\n"
else:
script_content += "# export LSFG_PERF_MODE=1\n"
if immediate_mode:
script_content += "export MESA_VK_WSI_PRESENT_MODE=immediate # - disable vsync\n"
else:
script_content += "# export MESA_VK_WSI_PRESENT_MODE=immediate # - disable vsync\n"
# Add the exec line to allow the script to execute passed commands
script_content += "\n# Execute the passed command with the environment variables set\n"
script_content += "exec \"$@\"\n"
# Write the updated script
with open(self.lsfg_script_path, 'w') as f:
f.write(script_content)
# Make sure it's executable
os.chmod(self.lsfg_script_path, 0o755)
decky.logger.info(f"Updated lsfg script configuration: enable={enable_lsfg}, multiplier={multiplier}, flow_scale={flow_scale}, hdr={hdr}, perf_mode={perf_mode}, immediate_mode={immediate_mode}")
return {
"success": True,
"message": "lsfg configuration updated successfully"
}
except Exception as e:
decky.logger.error(f"Error updating lsfg config: {str(e)}")
return {
"success": False,
"error": str(e)
}
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