ps.1.1
// 1221 filter constants
def c0, 0.1667f, 0.1667f, 0.1667f, 0.3333f
tex t0
tex t1
tex t2
tex t3
mul r0.rgb, t0, c0
mad r0.rgb, t1, c0.a, r0
mad r0.rgb, t2, c0.a, r0
mad r0.rgb, t3, c0, r0
mul r0.rgb, r0, c1 +
mov r0.a, t0.a