!!ARBfp1.0
TEMP texv, temp1, temp2;
TEX texv, fragment.texcoord[0], texture[0], RECT;

MIN temp1.r, texv.r, texv.g;
MIN temp1.r, temp1.r, texv.b;
MAX temp1.g, texv.r, texv.g;
MAX temp1.g, temp1.g, texv.b;

MUL temp1.b, temp1.r, -1;
MUL temp1.a, temp1.g, -1;
ADD temp1.a, temp1.a, 1;

ADD temp2.r, texv.r, temp1.b;
ADD temp2.r, temp2.r, temp1.a;

ADD temp2.g, texv.g, temp1.b;
ADD temp2.g, temp2.g, temp1.a;

ADD temp2.b, texv.b, temp1.b;
ADD temp2.b, temp2.b, temp1.a;

MOV temp2.a, texv.a;

MOV result.color, temp2;
END