The most interesting use case for 0.3.6.1 isn't making pretty games prettier; it's breaking the lighting of old games to make them atmospheric.
To use it, users must have ReShade installed and ensure the game's depth buffer is correctly accessed (often requiring the disabling of in-game Anti-Aliasing). reshade rtgi 0361
You can find side-by-side visual tests of RTGI against other shaders like CompleteRT and MSRT on YouTube . The most interesting use case for 0