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authorIan Romanick <[email protected]>2010-08-16 19:08:53 -0700
committerIan Romanick <[email protected]>2010-08-16 19:08:53 -0700
commit6c03c576cc49bbb008de66d374f4302ff0fe0390 (patch)
tree7ddeb3ee88532d9aef8728b9aa256edf7c125247 /src/glsl/builtins/ir/atan
parent15a3b42e135a3a2cb463ec3cff80a55dd8528051 (diff)
parenta433cd286c60eb9d4c2114f042709eda0f3de676 (diff)
Merge branch 'glsl2'
Conflicts: src/mesa/program/prog_optimize.c
Diffstat (limited to 'src/glsl/builtins/ir/atan')
-rw-r--r--src/glsl/builtins/ir/atan154
1 files changed, 154 insertions, 0 deletions
diff --git a/src/glsl/builtins/ir/atan b/src/glsl/builtins/ir/atan
new file mode 100644
index 00000000000..84048293870
--- /dev/null
+++ b/src/glsl/builtins/ir/atan
@@ -0,0 +1,154 @@
+((function atan
+ (signature float
+ (parameters
+ (declare (in) float x))
+ ((return (call asin ((expression float *
+ (var_ref x)
+ (expression float rsq
+ (expression float +
+ (expression float *
+ (var_ref x)
+ (var_ref x))
+ (constant float (1.0))))))))))
+
+ (signature vec2
+ (parameters
+ (declare (in) vec2 y_over_x))
+ ((return (call asin ((expression vec2 *
+ (var_ref y_over_x)
+ (expression vec2 rsq
+ (expression vec2 +
+ (expression vec2 *
+ (var_ref y_over_x)
+ (var_ref y_over_x))
+ (constant float (1.0))))))))))
+
+ (signature vec3
+ (parameters
+ (declare (in) vec3 y_over_x))
+ ((return (call asin ((expression vec3 *
+ (var_ref y_over_x)
+ (expression vec3 rsq
+ (expression vec3 +
+ (expression vec3 *
+ (var_ref y_over_x)
+ (var_ref y_over_x))
+ (constant float (1.0))))))))))
+
+ (signature vec4
+ (parameters
+ (declare (in) vec4 y_over_x))
+ ((return (call asin ((expression vec4 *
+ (var_ref y_over_x)
+ (expression vec4 rsq
+ (expression vec4 +
+ (expression vec4 *
+ (var_ref y_over_x)
+ (var_ref y_over_x))
+ (constant float (1.0))))))))))
+
+ (signature float
+ (parameters
+ (declare (in ) float y)
+ (declare (in ) float x)
+ )
+ (
+ (declare () float r)
+ (declare ( ) float abs_retval)
+ (assign (constant bool (1)) (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)) (var_ref atan_retval) (call atan ((expression float / (var_ref y) (var_ref x) ) ))
+)
+ (assign (constant bool (1)) (var_ref r) (var_ref atan_retval) )
+ (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)) (var_ref assignment_tmp) (expression float + (var_ref r) (constant float (3.141593)) ) )
+ (assign (constant bool (1)) (var_ref r) (var_ref assignment_tmp) )
+ )
+ (
+ (declare ( ) float assignment_tmp)
+ (assign (constant bool (1)) (var_ref assignment_tmp) (expression float - (var_ref r) (constant float (3.141593)) ) )
+ (assign (constant bool (1)) (var_ref r) (var_ref assignment_tmp) )
+ ))
+
+ )
+ (
+ ))
+
+ )
+ (
+ (if (expression bool >= (var_ref y) (constant float (0.000000)) ) (
+ (assign (constant bool (1)) (var_ref r) (constant float (1.570796)) )
+ )
+ (
+ (assign (constant bool (1)) (var_ref r) (constant float (-1.570796)) )
+ ))
+
+ ))
+
+ (return (var_ref r) )
+ ))
+
+
+
+ (signature vec2
+ (parameters
+ (declare (in) vec2 y)
+ (declare (in) vec2 x))
+ ((declare () vec2 r)
+ (assign (constant bool (1))
+ (swiz x (var_ref r))
+ (call atan ((swiz x (var_ref y))
+ (swiz x (var_ref x)))))
+ (assign (constant bool (1))
+ (swiz y (var_ref r))
+ (call atan ((swiz y (var_ref y))
+ (swiz y (var_ref x)))))
+ (return (var_ref r))))
+
+ (signature vec3
+ (parameters
+ (declare (in) vec3 y)
+ (declare (in) vec3 x))
+ ((declare () vec3 r)
+ (assign (constant bool (1))
+ (swiz x (var_ref r))
+ (call atan ((swiz x (var_ref y))
+ (swiz x (var_ref x)))))
+ (assign (constant bool (1))
+ (swiz y (var_ref r))
+ (call atan ((swiz y (var_ref y))
+ (swiz y (var_ref x)))))
+ (assign (constant bool (1))
+ (swiz z (var_ref r))
+ (call atan ((swiz z (var_ref y))
+ (swiz z (var_ref x)))))
+ (return (var_ref r))))
+
+ (signature vec4
+ (parameters
+ (declare (in) vec4 y)
+ (declare (in) vec4 x))
+ ((declare () vec4 r)
+ (assign (constant bool (1))
+ (swiz x (var_ref r))
+ (call atan ((swiz x (var_ref y))
+ (swiz x (var_ref x)))))
+ (assign (constant bool (1))
+ (swiz y (var_ref r))
+ (call atan ((swiz y (var_ref y))
+ (swiz y (var_ref x)))))
+ (assign (constant bool (1))
+ (swiz z (var_ref r))
+ (call atan ((swiz z (var_ref y))
+ (swiz z (var_ref x)))))
+ (assign (constant bool (1))
+ (swiz w (var_ref r))
+ (call atan ((swiz w (var_ref y))
+ (swiz w (var_ref x)))))
+ (return (var_ref r)))))
+
+))