patl
Participant
Post count: 56

You can set the option in RGUI:
Settings – Video Settings – Use Bilinear filtering

“Point filtering
to
“Bilinear filtering”

But you have to save the config and restart the emulator.
Or in the config.cfg you can set: video_smooth = true

In Combination with a scanline overlayimage it looks much better than a blur shader in higher resolutions.
And there are no performance issues.