export S2TC_COLORDIST_MODE=NORMALMAP
export S2TC_RANDOM_COLORS=256
export S2TC_REFINE_COLORS=LOOP
+ export S2TC_DITHER_MODE=NONE
;;
*_norm)
export S2TC_COLORDIST_MODE=NORMALMAP
export S2TC_RANDOM_COLORS=256
export S2TC_REFINE_COLORS=LOOP
+ export S2TC_DITHER_MODE=NONE
;;
*)
export S2TC_COLORDIST_MODE=SRGB_MIXED
export S2TC_RANDOM_COLORS=64
export S2TC_REFINE_COLORS=LOOP
+ export S2TC_DITHER_MODE=FLOYDSTEINBERG
;;
esac