diff options
Diffstat (limited to 'src/glsl/builtins/ir/atan')
| -rw-r--r-- | src/glsl/builtins/ir/atan | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/src/glsl/builtins/ir/atan b/src/glsl/builtins/ir/atan index 6dc99d74d37..3f97e0d46f1 100644 --- a/src/glsl/builtins/ir/atan +++ b/src/glsl/builtins/ir/atan @@ -1,14 +1,14 @@ ((function atan (signature float (parameters - (declare (in) float x)) + (declare (in) float y_over_x)) ((return (call asin ((expression float * - (var_ref x) + (var_ref y_over_x) (expression float rsq (expression float + (expression float * - (var_ref x) - (var_ref x)) + (var_ref y_over_x) + (var_ref y_over_x)) (constant float (1.0)))))))))) (signature vec2 @@ -54,30 +54,15 @@ ) ( (declare () float r) - (declare ( ) float abs_retval) - (assign (constant bool (1)) (x) (var_ref abs_retval) (call abs ((var_ref x) )) -) - (if (expression bool > (var_ref abs_retval) (constant float (0.000100)) ) ( - (declare ( ) float atan_retval) - (assign (constant bool (1)) (x) (var_ref atan_retval) (call atan ((expression float / (var_ref y) (var_ref x) ) )) -) - (assign (constant bool (1)) (x) (var_ref r) (var_ref atan_retval) ) + (if (expression bool > (expression float abs (var_ref x)) (constant float (0.000100))) ( + (assign (constant bool (1)) (x) (var_ref r) (call atan ((expression float / (var_ref y) (var_ref x))))) (if (expression bool < (var_ref x) (constant float (0.000000)) ) ( - (if (expression bool >= (var_ref y) (constant float (0.000000)) ) ( - (declare ( ) float assignment_tmp) - (assign (constant bool (1)) (x) (var_ref assignment_tmp) (expression float + (var_ref r) (constant float (3.141593)) ) ) - (assign (constant bool (1)) (x) (var_ref r) (var_ref assignment_tmp) ) - ) - ( - (declare ( ) float assignment_tmp) - (assign (constant bool (1)) (x) (var_ref assignment_tmp) (expression float - (var_ref r) (constant float (3.141593)) ) ) - (assign (constant bool (1)) (x) (var_ref r) (var_ref assignment_tmp) ) - )) - + (if (expression bool >= (var_ref y) (constant float (0.000000)) ) + ((assign (constant bool (1)) (x) (var_ref r) (expression float + (var_ref r) (constant float (3.141593))))) + ((assign (constant bool (1)) (x) (var_ref r) (expression float - (var_ref r) (constant float (3.141593)))))) ) ( )) - ) ( (declare () float sgn) |