You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
767 B
34 lines
767 B
ps.1.1 |
|
def c0, 1,0,0,0 |
|
def c1, 0,1,0,0 |
|
def c2, 0,0,1,0 |
|
|
|
;------------------------------------------------------------------------------ |
|
; Computes the diffuse component of lighting using lightmap + bumpmap |
|
; t0 - Normalmap |
|
; t1 - Lightmap1 |
|
; t2 - Lightmap2 |
|
; t3 - Lightmap3 |
|
; |
|
; The texture coordinates need to be defined as follows: |
|
; tc0 - Normalmap and lightmap texture coordinates |
|
;------------------------------------------------------------------------------ |
|
|
|
; Get the 3-vector from the normal map |
|
tex t0 |
|
|
|
; Sample the lightmaps |
|
tex t1 |
|
tex t2 |
|
tex t3 |
|
|
|
; output = lightmapColor[0] * n.r + lightmapColor[1] * n.g + lightmapColor[2] * n.b |
|
|
|
|
|
mov r0, t0 |
|
dp3 r1, t0, c0 |
|
mul r0.rgb, r1, t1 |
|
dp3 r1, t0, c1 |
|
mad r0.rgb, r1, t2, r0 |
|
dp3 r1, t0, c2 |
|
mad r0.rgb, r1, t3, r0
|
|
|