How to shut off screen filtering?

I can’t find where the option is to shut off that screen filter that makes everything blurry. The blur does my eyes in, it is like I can’t focus.

All other emus I have include a toggle to turn it on or off but I can’t find it here. Where is it?

settings > video > hardware bilinear filter OFF.

I tried that but it didn’t seem to work. It was like that just toggled hardware assist filter as opposed to software or something (Or just some kind of bug). I found if I load shaders and select from those I can get different options after messing around for awhile. This emu has many powerful options but can be confusing at times.