!!ARBfp1.0

ATTRIB  extinction = fragment.color.primary;
ATTRIB  inscattering = fragment.color.secondary;

TEMP    bboard, lightmap;
ATTRIB  litcolor = fragment.texcoord[2];

PARAM   USEFUL = {0.0, 0.5, 1.0, 2.0};

TEX     bboard, fragment.texcoord[0], texture[0], 2D;
TEX     lightmap, fragment.texcoord[1], texture[1], 2D;
		

MAD     lightmap, extinction, litcolor, lightmap;
MAD     result.color, bboard, lightmap, inscattering;
END
