I understand what you’re saying. I’m just trying to get to a point where every game that I play is at an acceptable level to me. I’m just using what I’m accustomed to and have experience with. That’s why I’m focusing only on Mame and Dreamcast/Naomi games atm. I’ve never used FBNeo and from what I’ve found about it, it will need a different set of roms too because apparently it doesn’t support the current updated Mame rom versions. I’ll look into it though.
Yes, I actually am using RA in fullscreen, but using the Windowed Fullscreen mode which is the default. @Cyber has just mentioned using the same. Only for trying out the custom1496x1120 resolution, I turned off Windowed Fullscreen as @Cyber advised me to. I didn’t know I was supposed to generally just set the Windowed Fullscreen permanently to off for using your shaders. I have followed your instructions, and I have just re-read them and didn’t see it being mentioned that the default Windowed Fullscreen mode shouldn’t be used. Aspect ratio is already set to 'FULL" as per your instructions.