src/glsl/builtins/ir/distance.ir

   1 ((function distance
   2    (signature float
   3      (parameters
   4        (declare (in) float p0)
   5        (declare (in) float p1))
   6      ((return (expression float abs (expression float - (var_ref p0) (var_ref p1))))))
   7
   8    (signature float
   9      (parameters
  10        (declare (in) vec2 p0)
  11        (declare (in) vec2 p1))
  12      ((declare () vec2 p)
  13       (assign (xy) (var_ref p) (expression vec2 - (var_ref p0) (var_ref p1)))
  14       (return (expression float sqrt (expression float dot (var_ref p) (var_ref p))))))
  15
  16    (signature float
  17      (parameters
  18        (declare (in) vec3 p0)
  19        (declare (in) vec3 p1))
  20      ((declare () vec3 p)
  21       (assign (xyz) (var_ref p) (expression vec3 - (var_ref p0) (var_ref p1)))
  22       (return (expression float sqrt (expression float dot (var_ref p) (var_ref p))))))
  23
  24    (signature float
  25      (parameters
  26        (declare (in) vec4 p0)
  27        (declare (in) vec4 p1))
  28      ((declare () vec4 p)
  29       (assign (xyzw) (var_ref p) (expression vec4 - (var_ref p0) (var_ref p1)))
  30       (return (expression float sqrt (expression float dot (var_ref p) (var_ref p))))))
  31 ))