diff options
| author | Eric Anholt <[email protected]> | 2010-07-13 15:37:57 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2010-07-18 18:12:12 -0700 |
| commit | 9be7f638130f46a9df2bfbcd4a03b36de9e4f3aa (patch) | |
| tree | 5db2a2e0c0198c2960bfcb3051ffbeeda8757573 /src/glsl/builtins | |
| parent | 87a2ee8db6222006480bd0e0ac58b77795c5d951 (diff) | |
glsl2: Make cross() be an expression operation.
ARB_fp, ARB_vp, Mesa IR, and the 965 vertex shader all have
instructions for cross. Shaves 12 Mesa instructions off of a
66-instruction shader I have.
Diffstat (limited to 'src/glsl/builtins')
| -rw-r--r-- | src/glsl/builtins/110/cross | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/src/glsl/builtins/110/cross b/src/glsl/builtins/110/cross index deb2f952bfc..24717a2183d 100644 --- a/src/glsl/builtins/110/cross +++ b/src/glsl/builtins/110/cross @@ -3,15 +3,5 @@ (parameters (declare (in) vec3 arg0) (declare (in) vec3 arg1)) - ((declare () vec3 t) - (assign (constant bool (1)) (swiz x (var_ref t)) - (expression float - (expression float * (swiz y (var_ref arg0)) (swiz z (var_ref arg1))) - (expression float * (swiz y (var_ref arg1)) (swiz z (var_ref arg0))))) - (assign (constant bool (1)) (swiz y (var_ref t)) - (expression float - (expression float * (swiz z (var_ref arg0)) (swiz x (var_ref arg1))) - (expression float * (swiz z (var_ref arg1)) (swiz x (var_ref arg0))))) - (assign (constant bool (1)) (swiz z (var_ref t)) - (expression float - (expression float * (swiz x (var_ref arg0)) (swiz y (var_ref arg1))) - (expression float * (swiz x (var_ref arg1)) (swiz y (var_ref arg0))))) - (return (var_ref t)))) + ((return (expression vec3 cross (var_ref arg0) (var_ref arg1))))) )) |