; Pixel shader

xps.1.1

def c0,0.5f,1.0f,0.8f,1.0f

tex t0
tex t1

mov r0,t0
mul r1.a,t1.a,v0.a
lrp r0.rgb,r1.a,t1,r0
mul_x2 r0.rgb,r0,v0
+mov r0.a,c0.a

; Use 1st pass alpha to determine the specular reflection
; also factor in the dirtiness of the pixel (r1)

mov_x4 r1.a,r1.a		; r1.a = r1.a * 4
sub t2.a,c0.a,r1.a		; t2.a = 1 - dirtiness

mul t2.a,t2.a,t0.a
mad r0, v1, t2.a, r0

; final combiner
xfc fog.a, r0, fog.rgb, zero, zero, zero, r0.a