summaryrefslogtreecommitdiff
path: root/src/glsl/builtins/ir/noise2
blob: 008f8b00f1f5488ea45e86ed9b31b8360a8625d0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
((function noise2
  (signature vec2
    (parameters (declare (in) vec4 p))
    (
      (declare () float a)
      (declare () float b)
      (declare () vec2 t)

      (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))
      (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec4 + (var_ref p) (constant vec4 (601.0 313.0 29.0 277.0)))))
      (assign (constant bool (1)) (x) (var_ref t) (swiz xx (var_ref a)))
      (assign (constant bool (1)) (y) (var_ref t) (swiz xx (var_ref b)))
      (return (var_ref t))
    ))

  (signature vec2
    (parameters (declare (in) vec3 p))
    (
      (declare () float a)
      (declare () float b)
      (declare () vec2 t)

      (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))
      (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec3 + (var_ref p) (constant vec3 (601.0 313.0 29.0)))))
      (assign (constant bool (1)) (x) (var_ref t) (swiz xx (var_ref a)))
      (assign (constant bool (1)) (y) (var_ref t) (swiz xx (var_ref b)))
      (return (var_ref t))
    ))

  (signature vec2
    (parameters
      (declare (in ) vec2 p)
    )
    (
      (declare () float a)
      (declare () float b)
      (declare () vec2 t)

      (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))
      (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec2 + (var_ref p) (constant vec2 (601.0 313.0)))))
      (assign (constant bool (1)) (x) (var_ref t) (swiz xx (var_ref a)))
      (assign (constant bool (1)) (y) (var_ref t) (swiz xx (var_ref b)))
      (return (var_ref t))
    ))

  (signature vec2
    (parameters
      (declare (in ) float p)
    )
    (
      (declare () float a)
      (declare () float b)
      (declare () vec2 t)

      (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))
      (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression float + (var_ref p) (constant float (601.0)))))
      (assign (constant bool (1)) (x) (var_ref t) (swiz xx (var_ref a)))
      (assign (constant bool (1)) (y) (var_ref t) (swiz xx (var_ref b)))
      (return (var_ref t))
    ))
))