ps.1.1

; t0: 
;		texture: dudv map
;		texcoords: dudvmap texcoords
; t1:
;		texture: refraction render target
;		texcoords: 

tex t0					; sample dudv map, alpha channel contains fog, red contains tint
texbem t1, t0			; dudv

dp3 r0, t0, c1			; Apply monochrome refracttint
mul r1, t1, r0
lrp r0, t0.a, c0, r1	; c0 contains the fog color