A request to port a nice effective dithering blending shader

Hello, can someone port this wonderful shader from RetroArch to ReShade before it's gone? This shader is very good at dealing with Genesis\MD dithering. This is a software port of MiSTER's solution of blending neighbour pixels to get rid of dithering which presents in old games (like waterfall in Sonic). It is nicer, than Mdapt or Gdapt and less blurrier than GTU.

Thanks to the author of original port: Invalid consumer key/secret in configuration
Here is the code:  pastebin.com/c4emGGXn