diff options
author | Ian Romanick <ian.d.romanick@intel.com> | 2010-08-16 19:08:53 -0700 |
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committer | Ian Romanick <ian.d.romanick@intel.com> | 2010-08-16 19:08:53 -0700 |
commit | 6c03c576cc49bbb008de66d374f4302ff0fe0390 (patch) | |
tree | 7ddeb3ee88532d9aef8728b9aa256edf7c125247 /src/glsl/builtins/ir/faceforward | |
parent | 15a3b42e135a3a2cb463ec3cff80a55dd8528051 (diff) | |
parent | a433cd286c60eb9d4c2114f042709eda0f3de676 (diff) |
Merge branch 'glsl2'
Conflicts:
src/mesa/program/prog_optimize.c
Diffstat (limited to 'src/glsl/builtins/ir/faceforward')
-rw-r--r-- | src/glsl/builtins/ir/faceforward | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/glsl/builtins/ir/faceforward b/src/glsl/builtins/ir/faceforward new file mode 100644 index 0000000000..d170397238 --- /dev/null +++ b/src/glsl/builtins/ir/faceforward @@ -0,0 +1,37 @@ +((function faceforward + (signature float + (parameters + (declare (in) float N) + (declare (in) float I) + (declare (in) float Nref)) + ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0))) + ((return (var_ref N))) + ((return (expression float neg (var_ref N))))))) + + (signature vec2 + (parameters + (declare (in) vec2 N) + (declare (in) vec2 I) + (declare (in) vec2 Nref)) + ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0))) + ((return (var_ref N))) + ((return (expression vec2 neg (var_ref N))))))) + + (signature vec3 + (parameters + (declare (in) vec3 N) + (declare (in) vec3 I) + (declare (in) vec3 Nref)) + ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0))) + ((return (var_ref N))) + ((return (expression vec3 neg (var_ref N))))))) + + (signature vec4 + (parameters + (declare (in) vec4 N) + (declare (in) vec4 I) + (declare (in) vec4 Nref)) + ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0))) + ((return (var_ref N))) + ((return (expression vec4 neg (var_ref N))))))) +)) |