old shader

ps.1.4
def     c0,     0.3, 0.6, 0.1, 1
def     c1,     0,   0,   0,   1
def     c2,     1,   1,   1,   1
texld   r0,     t0
mov     r2,     r0
cnd     r1,     r0,c2,c1
cmp     r0.rgb, r1_bias,c2,r0
mul     r0.rgb,     r0,r2
dp3_sat r1.rgb, r0,c0
lrp     r0.rgb, c0.g,r0,r1
mul     r0.rgb,     r0,v0