The apparent cost of the calibration is eaten by the constant
propagation optimization pass.
Signed-off-by: Olivier Galibert <[email protected]>
diff --git a/src/glsl/builtins/ir/acos.ir b/src/glsl/builtins/ir/acos.ir
index f0078f8..d321057 100644
--- a/src/glsl/builtins/ir/acos.ir
+++ b/src/glsl/builtins/ir/acos.ir
@@ -3,27 +3,35 @@
(parameters
(declare (in) float x))
((declare () float s)
+ (declare () float t)
(call asin (var_ref s) ((var_ref x)))
- (return (expression float - (constant float (1.5707963)) (var_ref s)))))
+ (call asin (var_ref t) ((constant float (1))))
+ (return (expression float - (var_ref t) (var_ref s)))))
(signature vec2
(parameters
(declare (in) vec2 x))
((declare () vec2 s)
+ (declare () float t)
(call asin (var_ref s) ((var_ref x)))
- (return (expression vec2 - (constant float (1.5707963)) (var_ref s)))))
+ (call asin (var_ref t) ((constant float (1))))
+ (return (expression vec2 - (var_ref t) (var_ref s)))))
(signature vec3
(parameters
(declare (in) vec3 x))
((declare () vec3 s)
+ (declare () float t)
(call asin (var_ref s) ((var_ref x)))
- (return (expression vec3 - (constant float (1.5707963)) (var_ref s)))))
+ (call asin (var_ref t) ((constant float (1))))
+ (return (expression vec3 - (var_ref t) (var_ref s)))))
(signature vec4
(parameters
(declare (in) vec4 x))
((declare () vec4 s)
+ (declare () float t)
(call asin (var_ref s) ((var_ref x)))
- (return (expression vec4 - (constant float (1.5707963)) (var_ref s)))))
+ (call asin (var_ref t) ((constant float (1))))
+ (return (expression vec4 - (var_ref t) (var_ref s)))))
))
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