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glsl: Implement the asinh, acosh, and atanh built-in functions.

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This commit is contained in:
Kenneth Graunke 2010-11-15 13:58:51 -08:00
parent 096d36872f
commit db9b8c062f
5 changed files with 79 additions and 4 deletions
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21
src/glsl/builtins/ir/acosh Normal file
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@ -0,0 +1,21 @@
((function acosh
(signature float
(parameters
(declare (in) float x))
((return (expression float log (expression float + (var_ref x) (expression float sqrt (expression float - (expression float * (var_ref x) (var_ref x)) (constant float (1)))))))))
(signature vec2
(parameters
(declare (in) vec2 x))
((return (expression vec2 log (expression vec2 + (var_ref x) (expression vec2 sqrt (expression vec2 - (expression vec2 * (var_ref x) (var_ref x)) (constant vec2 (1)))))))))
(signature vec3
(parameters
(declare (in) vec3 x))
((return (expression vec3 log (expression vec3 + (var_ref x) (expression vec3 sqrt (expression vec3 - (expression vec3 * (var_ref x) (var_ref x)) (constant vec3 (1)))))))))
(signature vec4
(parameters
(declare (in) vec4 x))
((return (expression vec4 log (expression vec4 + (var_ref x) (expression vec4 sqrt (expression vec4 - (expression vec4 * (var_ref x) (var_ref x)) (constant vec4 (1)))))))))
))

21
src/glsl/builtins/ir/asinh Normal file
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@ -0,0 +1,21 @@
((function asinh
(signature float
(parameters
(declare (in) float x))
((return (expression float log (expression float + (var_ref x) (expression float sqrt (expression float + (expression float * (var_ref x) (var_ref x)) (constant float (1)))))))))
(signature vec2
(parameters
(declare (in) vec2 x))
((return (expression vec2 log (expression vec2 + (var_ref x) (expression vec2 sqrt (expression vec2 + (expression vec2 * (var_ref x) (var_ref x)) (constant vec2 (1)))))))))
(signature vec3
(parameters
(declare (in) vec3 x))
((return (expression vec3 log (expression vec3 + (var_ref x) (expression vec3 sqrt (expression vec3 + (expression vec3 * (var_ref x) (var_ref x)) (constant vec3 (1)))))))))
(signature vec4
(parameters
(declare (in) vec4 x))
((return (expression vec4 log (expression vec4 + (var_ref x) (expression vec4 sqrt (expression vec4 + (expression vec4 * (var_ref x) (var_ref x)) (constant vec4 (1)))))))))
))

37
src/glsl/builtins/ir/atanh Normal file
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@ -0,0 +1,37 @@
((function atanh
(signature float
(parameters
(declare (in) float x))
((return (expression float * (constant float (0.5))
(expression float log
(expression float /
(expression float + (constant float (1)) (var_ref x))
(expression float - (constant float (1)) (var_ref x))))))))
(signature vec2
(parameters
(declare (in) vec2 x))
((return (expression vec2 * (constant vec2 (0.5))
(expression vec2 log
(expression vec2 /
(expression vec2 + (constant vec2 (1)) (var_ref x))
(expression vec2 - (constant vec2 (1)) (var_ref x))))))))
(signature vec3
(parameters
(declare (in) vec3 x))
((return (expression vec3 * (constant vec3 (0.5))
(expression vec3 log
(expression vec3 /
(expression vec3 + (constant vec3 (1)) (var_ref x))
(expression vec3 - (constant vec3 (1)) (var_ref x))))))))
(signature vec4
(parameters
(declare (in) vec4 x))
((return (expression vec4 * (constant vec4 (0.5))
(expression vec4 log
(expression vec4 /
(expression vec4 + (constant vec4 (1)) (var_ref x))
(expression vec4 - (constant vec4 (1)) (var_ref x))))))))
))

2
src/glsl/builtins/profiles/130.frag
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@ -62,7 +62,6 @@ vec2 tanh(vec2 x);
vec3 tanh(vec3 x);
vec4 tanh(vec4 x);
#if 0
float asinh(float x);
vec2 asinh(vec2 x);
vec3 asinh(vec3 x);
@ -77,7 +76,6 @@ float atanh(float x);
vec2 atanh(vec2 x);
vec3 atanh(vec3 x);
vec4 atanh(vec4 x);
#endif
/*
* 8.2 - Exponential Functions

2
src/glsl/builtins/profiles/130.vert
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@ -62,7 +62,6 @@ vec2 tanh(vec2 x);
vec3 tanh(vec3 x);
vec4 tanh(vec4 x);
#if 0
float asinh(float x);
vec2 asinh(vec2 x);
vec3 asinh(vec3 x);
@ -77,7 +76,6 @@ float atanh(float x);
vec2 atanh(vec2 x);
vec3 atanh(vec3 x);
vec4 atanh(vec4 x);
#endif
/*
* 8.2 - Exponential Functions