Credits found by opening the shaders in Notepad. Credit to Matsilagi for porting and compiling the good stuff from RetroArch.

Download
B2CRTEMU.7z

https://github.com/onoda-dev/onoda/blob/master/B2CRTEMU.7z

Install directory for reference:

C:\Program Files(x86)\Steam\steamapps\common\Blasphemous 2/

Cheers

Onoda