?? grayinvert.fp
字號(hào):
!!ARBfp1.0
# grayinvert.fp
#
# invert like a B&W negative
ATTRIB iPrC = fragment.color.primary; # input primary color
OUTPUT oPrC = result.color; # output color
TEMP gray;
DP3 gray.r, iPrC, {0.3, 0.59, 0.11}; # R,G,B each contribute diff.
SUB oPrC.rgb, 1.0, gray.r; # invert scalar gray value
MOV oPrC.a, 1.0; # init alpha to 1
END
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