mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2025-09-19 20:16:10 +08:00
25 lines
524 B
Plaintext
25 lines
524 B
Plaintext
|
ps.1.1
|
||
|
|
|
||
|
|
; t0:
|
||
|
|
; texture: dudv map
|
||
|
|
; texcoords: dudvmap texcoords
|
||
|
|
; t1:
|
||
|
|
; texture: refraction render target
|
||
|
|
; texcoords:
|
||
|
|
|
||
|
|
tex t0 ; The normal map
|
||
|
|
tex t1 ; Normalize the tangent-space vector to the eye
|
||
|
|
|
||
|
|
; dot eye-vector with per-pixel normal from t2
|
||
|
|
dp3 r1.rgba, t0_bx2, t1_bx2
|
||
|
|
mov r1, r1_sat
|
||
|
|
|
||
|
|
mul r0.a, 1-r1.a, 1-r1.a ; squared
|
||
|
|
mul r0.a, r0.a, r0.a ; quartic
|
||
|
|
mul r0.a, r0.a, 1-r1.a ; quintic
|
||
|
|
mov r0.a, r0_sat.a
|
||
|
|
|
||
|
|
add r0.a, r0.a, v0.a ; Cheap water factor
|
||
|
|
|
||
|
|
mov r0.rgba, r0_sat.a
|