- Improve dithering treatment.
- Avoid filtering (and detroying) dithering. Improves IQ on games that uses it (genesis mainly).
- Add xbr-lv3-multipass and xbr-lv3-9x-multipass. Much faster than the standalone versions; - Fix some typo on lv2.
- New color distance function to improve IQ; - Merge noblend and aa shaders in same files; - Better param descriptions; - New param to switch between noblend and aa; - New lv1, lv2-multipass and lv3-9x.