glsl2: Implement noise[1234] built-in functions using ir_unop_noise

1 files changed, 95 insertions, 16 deletions

diff --git a/src/glsl/builtins/ir/noise4 b/src/glsl/builtins/ir/noise4
index 913bef2aa1b..fb300fd1486 100644
--- a/src/glsl/builtins/ir/noise4
+++ b/src/glsl/builtins/ir/noise4
@@ -1,18 +1,97 @@
 ((function noise4
-   (signature vec4
-     (parameters
-       (declare (in) float x))
-     ((return (constant vec4 (0 0 0 0)))))
-   (signature vec4
-     (parameters
-       (declare (in) vec2 x))
-     ((return (constant vec4 (0 0 0 0)))))
-   (signature vec4
-     (parameters
-       (declare (in) vec3 x))
-     ((return (constant vec4 (0 0 0 0)))))
-   (signature vec4
-     (parameters
-       (declare (in) vec4 x))
-     ((return (constant vec4 (0 0 0 0)))))
+  (signature vec4
+    (parameters (declare (in) vec4 p))
+    (
+      (declare () float _x)
+      (declare () float _y)
+      (declare () float _z)
+      (declare () float _w)
+      (declare () vec4 _r)
+
+      (declare () vec4 _p)
+      (assign (constant bool (1)) (xyzw) (var_ref _p) (expression vec4 + (var_ref p) (constant vec4 (1559.0 113.0 1861.0 797.0))) )
+
+      (assign (constant bool (1)) (x) (var_ref _x) (expression float noise(var_ref p)))
+      (assign (constant bool (1)) (x) (var_ref _y) (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 _z) (expression float noise(var_ref _p)))
+      (assign (constant bool (1)) (x) (var_ref _w) (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 _r) (swiz xxxx (var_ref _x)))
+      (assign (constant bool (1)) (y) (var_ref _r) (swiz xxxx (var_ref _y)))
+      (assign (constant bool (1)) (z) (var_ref _r) (swiz xxxx (var_ref _z)))
+      (assign (constant bool (1)) (w) (var_ref _r) (swiz xxxx (var_ref _w)))
+      (return (var_ref _r))
+    ))
+
+  (signature vec4
+    (parameters (declare (in) vec3 p))
+    (
+      (declare () float _x)
+      (declare () float _y)
+      (declare () float _z)
+      (declare () float _w)
+      (declare () vec4 _r)
+
+      (declare () vec3 _p)
+      (assign (constant bool (1)) (xyz) (var_ref _p) (expression vec3 + (var_ref p) (constant vec3 (1559.0 113.0 1861.0))) )
+
+      (assign (constant bool (1)) (x) (var_ref _x) (expression float noise(var_ref p)))
+      (assign (constant bool (1)) (x) (var_ref _y) (expression float noise(expression vec3 + (var_ref p) (constant vec3 (601.0 313.0 29.0)))))
+      (assign (constant bool (1)) (x) (var_ref _z) (expression float noise(var_ref _p)))
+      (assign (constant bool (1)) (x) (var_ref _w) (expression float noise(expression vec3 + (var_ref _p) (constant vec3 (601.0 313.0 29.0)))))
+
+      (assign (constant bool (1)) (x) (var_ref _r) (swiz xxxx (var_ref _x)))
+      (assign (constant bool (1)) (y) (var_ref _r) (swiz xxxx (var_ref _y)))
+      (assign (constant bool (1)) (z) (var_ref _r) (swiz xxxx (var_ref _z)))
+      (assign (constant bool (1)) (w) (var_ref _r) (swiz xxxx (var_ref _w)))
+      (return (var_ref _r))
+    ))
+
+  (signature vec4
+    (parameters (declare (in) vec2 p))
+    (
+      (declare () float _x)
+      (declare () float _y)
+      (declare () float _z)
+      (declare () float _w)
+      (declare () vec4 _r)
+
+      (declare () vec2 _p)
+      (assign (constant bool (1)) (xy) (var_ref _p) (expression vec2 + (var_ref p) (constant vec2 (1559.0 113.0))) )
+
+      (assign (constant bool (1)) (x) (var_ref _x) (expression float noise(var_ref p)))
+      (assign (constant bool (1)) (x) (var_ref _y) (expression float noise(expression vec2 + (var_ref p) (constant vec2 (601.0 313.0)))))
+      (assign (constant bool (1)) (x) (var_ref _z) (expression float noise(var_ref _p)))
+      (assign (constant bool (1)) (x) (var_ref _w) (expression float noise(expression vec2 + (var_ref _p) (constant vec2 (601.0 313.0)))))
+
+      (assign (constant bool (1)) (x) (var_ref _r) (swiz xxxx (var_ref _x)))
+      (assign (constant bool (1)) (y) (var_ref _r) (swiz xxxx (var_ref _y)))
+      (assign (constant bool (1)) (z) (var_ref _r) (swiz xxxx (var_ref _z)))
+      (assign (constant bool (1)) (w) (var_ref _r) (swiz xxxx (var_ref _w)))
+      (return (var_ref _r))
+    ))
+
+  (signature vec4
+    (parameters (declare (in) float p))
+    (
+      (declare () float _x)
+      (declare () float _y)
+      (declare () float _z)
+      (declare () float _w)
+      (declare () vec4 _r)
+
+      (declare () float _p)
+      (assign (constant bool (1)) (xy) (var_ref _p) (expression float + (var_ref p) (constant float (1559.0))) )
+
+      (assign (constant bool (1)) (x) (var_ref _x) (expression float noise(var_ref p)))
+      (assign (constant bool (1)) (x) (var_ref _y) (expression float noise(expression float + (var_ref p) (constant float (601.0 313.0 29.0 277.0)))))
+      (assign (constant bool (1)) (x) (var_ref _z) (expression float noise(var_ref _p)))
+      (assign (constant bool (1)) (x) (var_ref _w) (expression float noise(expression float + (var_ref _p) (constant float (601.0 313.0 29.0 277.0)))))
+
+      (assign (constant bool (1)) (x) (var_ref _r) (swiz xxxx (var_ref _x)))
+      (assign (constant bool (1)) (y) (var_ref _r) (swiz xxxx (var_ref _y)))
+      (assign (constant bool (1)) (z) (var_ref _r) (swiz xxxx (var_ref _z)))
+      (assign (constant bool (1)) (w) (var_ref _r) (swiz xxxx (var_ref _w)))
+      (return (var_ref _r))
+    ))
 ))