4 (declare (in) float x))
5 ((return (expression float noise (var_ref x)))))
9 ((return (expression float noise (var_ref x)))))
12 (declare (in) vec3 x))
13 ((return (expression float noise (var_ref x)))))
16 (declare (in) vec4 x))
17 ((return (expression float noise (var_ref x)))))