tf2/tf2_src/materialsystem/stdshaders/WorldVertexTransition_ps14.psh

; STATIC: "DETAIL" "0..1"
; STATIC: "BLENDMODULATETEXTURE" "0..1"
ps.1.4

def c1, 3.0, -2.0, 0.5, 0.5

texld  r0, t0
texld  r1, t1
texld  r2, t2
#if DETAIL
texld  r3, t3 ; detail
#endif
#if BLENDMODULATETEXTURE
texld  r4, t4 ; detail
#endif

#if BLEND_MODULATETEXTURE
sub r5.a, v0.a, r4.g
add_sat r5.a, r5.a, c1.a
mad	r6.a, c1.g, r5.a, c1.r
mul r6.a, r6.a, r5.a
mul r5.a, r6.a, r5.a 
#else
mov_sat r5.a, v0.a
#endif
lrp r0, r5.a, r1, r0

mul r0, r0, r2
#if DETAIL
mul_x2 r0.rgb, r0, r3
#endif
mul_x2 r0.rgb, c0, r0   ; * 2 * (overbrightFactor/2)