xps.1.1

// c0 = ambient colour
// c1 = specular colour

tex t0
texm3x3pad   t1, t0_bx2
texm3x3pad   t2, t0_bx2
texm3x3vspec t3, t0_bx2

mad r0.rgb, t3.rgb,c1.rgb, c0.rgb
+ mov r0.a,1-zero