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builtins: Add support for reflect().

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Fixes glsl-orangebook-ch06.frag parsing.
This commit is contained in:
Eric Anholt 2010-05-19 14:01:33 -07:00
parent da46e5f534
commit 5b9ac87941
2 changed files with 120 additions and 0 deletions
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62
builtin_function.cpp
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@ -1329,6 +1329,67 @@ static const char *builtins_110_radians = {
"))\n"
};
static const char *builtins_110_reflect = {
"((function reflect\n"
" (signature float\n"
" (parameters\n"
" (declare (in) float i)\n"
" (declare (in) float n))\n"
" ((return (expression float -\n"
" (var_ref i)\n"
" (expression float *\n"
" (constant float (2.0))\n"
" (expression float *\n"
" (expression float dot\n"
" (var_ref n)\n"
" (var_ref i))\n"
" (var_ref n)))))))\n"
"\n"
" (signature vec2\n"
" (parameters\n"
" (declare (in) vec2 i)\n"
" (declare (in) vec2 n))\n"
" ((return (expression vec2 -\n"
" (var_ref i)\n"
" (expression vec2 *\n"
" (constant float (2.0))\n"
" (expression vec2 *\n"
" (expression float dot\n"
" (var_ref n)\n"
" (var_ref i))\n"
" (var_ref n)))))))\n"
"\n"
" (signature vec3\n"
" (parameters\n"
" (declare (in) vec3 i)\n"
" (declare (in) vec3 n))\n"
" ((return (expression vec3 -\n"
" (var_ref i)\n"
" (expression vec3 *\n"
" (constant float (2.0))\n"
" (expression vec3 *\n"
" (expression float dot\n"
" (var_ref n)\n"
" (var_ref i))\n"
" (var_ref n)))))))\n"
"\n"
" (signature vec4\n"
" (parameters\n"
" (declare (in) vec4 i)\n"
" (declare (in) vec4 n))\n"
" ((return (expression vec4 -\n"
" (var_ref i)\n"
" (expression vec4 *\n"
" (constant float (2.0))\n"
" (expression vec4 *\n"
" (expression float dot\n"
" (var_ref n)\n"
" (var_ref i))\n"
" (var_ref n)))))))\n"
"\n"
"))\n"
};
static const char *builtins_110_sign = {
"((function sign\n"
" (signature float\n"
@ -1770,6 +1831,7 @@ static const char *functions_for_110 [] = {
builtins_110_notEqual,
builtins_110_pow,
builtins_110_radians,
builtins_110_reflect,
builtins_110_sign,
builtins_110_sin,
builtins_110_smoothstep,

58
builtins/110/reflect Normal file
View file

@ -0,0 +1,58 @@
((function reflect
(signature float
(parameters
(declare (in) float i)
(declare (in) float n))
((return (expression float -
(var_ref i)
(expression float *
(constant float (2.0))
(expression float *
(expression float dot
(var_ref n)
(var_ref i))
(var_ref n)))))))
(signature vec2
(parameters
(declare (in) vec2 i)
(declare (in) vec2 n))
((return (expression vec2 -
(var_ref i)
(expression vec2 *
(constant float (2.0))
(expression vec2 *
(expression float dot
(var_ref n)
(var_ref i))
(var_ref n)))))))
(signature vec3
(parameters
(declare (in) vec3 i)
(declare (in) vec3 n))
((return (expression vec3 -
(var_ref i)
(expression vec3 *
(constant float (2.0))
(expression vec3 *
(expression float dot
(var_ref n)
(var_ref i))
(var_ref n)))))))
(signature vec4
(parameters
(declare (in) vec4 i)
(declare (in) vec4 n))
((return (expression vec4 -
(var_ref i)
(expression vec4 *
(constant float (2.0))
(expression vec4 *
(expression float dot
(var_ref n)
(var_ref i))
(var_ref n)))))))
))