chickadee » macaw » low-hsl-under!

low-rgb-under! float*_in1 float*_in2 float*_outprocedure
low-rgb8-under! uchar*_in1 uchar*_in2 uchar*_outprocedure
low-hsl-under! float*_in1 float*_in2 float*_outprocedure

Low-level versions of rgb-under etc.