greyscale.arbfp

A simple fragment program that converts every pixel to greyscale.

"!!ARBfp1.0
TEMP texfrag;
TEX texfrag, fragment.texcoord[0], texture[0], 2D;
TEMP gray;
ADD  gray, texfrag.r, texfrag.g;
ADD  gray, gray, texfrag.b;
MUL  gray, gray, 0.33;
MOV result.color, gray;
END"