src/glsl/builtins/ir/faceforward

   1 ((function faceforward
   2    (signature float
   3      (parameters
   4        (declare (in) float N)
   5        (declare (in) float I)
   6        (declare (in) float Nref))
   7      ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))
   8           ((return (var_ref N)))
   9           ((return (expression float neg (var_ref N)))))))
  10
  11    (signature vec2
  12      (parameters
  13        (declare (in) vec2 N)
  14        (declare (in) vec2 I)
  15        (declare (in) vec2 Nref))
  16      ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))
  17           ((return (var_ref N)))
  18           ((return (expression vec2 neg (var_ref N)))))))
  19
  20    (signature vec3
  21      (parameters
  22        (declare (in) vec3 N)
  23        (declare (in) vec3 I)
  24        (declare (in) vec3 Nref))
  25      ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))
  26           ((return (var_ref N)))
  27           ((return (expression vec3 neg (var_ref N)))))))
  28
  29    (signature vec4
  30      (parameters
  31        (declare (in) vec4 N)
  32        (declare (in) vec4 I)
  33        (declare (in) vec4 Nref))
  34      ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))
  35           ((return (var_ref N)))
  36           ((return (expression vec4 neg (var_ref N)))))))
  37 ))