This python script tries to convert Sweetfx (version 2.0) presets to Reshade (version 4) configurations. It is not perfect, so it might not work out-of-the-box for your specific preset or produce undesired results. In certain cases a slight modification is sufficient to make it work, so just open an issue if you think this is the case. Hope it's useful for some!

• Reads Sweetfx preset from stdin
• Parses input using grammar
• Traverses parsed tree and extracts information
• Assembles Reshade configuration
• Writes to stdout and logs to stderr

• Mapping between Sweetfx defines and Reshade effects, techniques and attributes is correct
• Transformations are correct
  • Division in python yields equal result to division in HLSL
  • float2 is array of 2 floats
  • float3 is array of 3 floats
• Values still mean the same
• Defines in Reshade effects can be ignored
• Syntax of Reshade configuration is correct
• Type casts are allowed
  • Mostly integer value to boolean variable

• lark

• install python 3
• install lark for python 3
• run convert.py with python 3, pipe Sweetfx preset to stdin and stdout to some file
  • in bash this would be similar to python3 convert.py < /path/to/Sweetfx.preset.file 1> /path/to/Reshade.configuration.file