diff options
| author | Kenneth Graunke <kenneth@whitecape.org> | 2010-04-30 15:18:07 -0700 |
|---|---|---|
| committer | Ian Romanick <ian.d.romanick@intel.com> | 2010-05-14 16:34:46 -0700 |
| commit | a2b63d3ed1197587f2441c4c2897ff32b3228d26 (patch) | |
| tree | 1b749814281bc57e30d5baf5bc0f30c2f81218bf | |
| parent | 9287ecc3aa81ab5e79bc9aa61bcdd620a142d79d (diff) | |
Implement "step" builtin.
| -rw-r--r-- | builtins/110/step | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/builtins/110/step b/builtins/110/step new file mode 100644 index 0000000..1cc2b51 --- /dev/null +++ b/builtins/110/step @@ -0,0 +1,68 @@ +((function step + (signature float + (parameters + (declare (in) float edge) + (declare (in) float x)) + ((return (expression float b2f (expression bool < (var_ref x) (var_ref edge)))))) + + (signature vec2 + (parameters + (declare (in) float edge) + (declare (in) vec2 x)) + ((declare () vec2 t) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge)))) + (return (var_ref t)))) + + (signature vec3 + (parameters + (declare (in) float edge) + (declare (in) vec3 x)) + ((declare () vec3 t) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(var_ref edge)))) + (return (var_ref t)))) + + (signature vec4 + (parameters + (declare (in) float edge) + (declare (in) vec4 x)) + ((declare () vec4 t) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool < (swiz w (var_ref x))(var_ref edge)))) + (return (var_ref t)))) + + (signature vec2 + (parameters + (declare (in) vec2 edge) + (declare (in) vec2 x)) + ((declare () vec2 t) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge))))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge))))) + (return (var_ref t)))) + + (signature vec3 + (parameters + (declare (in) vec3 edge) + (declare (in) vec3 x)) + ((declare () vec3 t) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge))))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge))))) + (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(swiz z (var_ref edge))))) + (return (var_ref t)))) + + (signature vec4 + (parameters + (declare (in) vec4 edge) + (declare (in) vec4 x)) + ((declare () vec4 t) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge))))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge))))) + (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz z (var_ref edge))))) + (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool < (swiz w (var_ref x))(swiz w (var_ref edge))))) + (return (var_ref t)))) +)) + |