tf2/tf2_src/materialsystem/stdshaders/core_ps11.psh

ps.1.1

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

#if 1

tex t0				; sample dudv map
texbem t1, t0		; refraction
tex t2

mov r0, t1
mul r0.rgb, r0, c0
lrp r0.rgb, t2.a, t2, r0
;mov r0, t2

#else

texcoord t0

mov r0.rgba, t0

#endif