AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

builtins: Add atan().

Browse Source
This commit is contained in:
Eric Anholt
2010-05-19 12:44:23 -07:00
parent 5e58e541e0
commit 60fa1a9458
2 changed files with 312 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
builtin_function.cpp
+158
View File
@@ -199,6 +199,163 @@ static const char *builtins_110_asin = {
"))\n"
};
static const char *builtins_110_atan = {
"((function atan\n"
" (signature float\n"
" (parameters\n"
" (declare (in) float x))\n"
" ((return (call asin ((expression float *\n"
" (var_ref x)\n"
" (expression float rsq\n"
" (expression float +\n"
" (expression float *\n"
" (var_ref x)\n"
" (var_ref x))\n"
" (constant float (1.0))))))))))\n"
"\n"
" (signature vec2\n"
" (parameters\n"
" (declare (in) vec2 y_over_x))\n"
" ((return (call asin ((expression vec2 *\n"
" (var_ref y_over_x)\n"
" (expression vec2 rsq\n"
" (expression vec2 +\n"
" (expression vec2 *\n"
" (var_ref y_over_x)\n"
" (var_ref y_over_x))\n"
" (constant float (1.0))))))))))\n"
"\n"
" (signature vec3\n"
" (parameters\n"
" (declare (in) vec3 y_over_x))\n"
" ((return (call asin ((expression vec3 *\n"
" (var_ref y_over_x)\n"
" (expression vec3 rsq\n"
" (expression vec3 +\n"
" (expression vec3 *\n"
" (var_ref y_over_x)\n"
" (var_ref y_over_x))\n"
" (constant float (1.0))))))))))\n"
"\n"
" (signature vec4\n"
" (parameters\n"
" (declare (in) vec4 y_over_x))\n"
" ((return (call asin ((expression vec4 *\n"
" (var_ref y_over_x)\n"
" (expression vec4 rsq\n"
" (expression vec4 +\n"
" (expression vec4 *\n"
" (var_ref y_over_x)\n"
" (var_ref y_over_x))\n"
" (constant float (1.0))))))))))\n"
"\n"
" (signature float\n"
" (parameters\n"
" (declare (in) float y)\n"
" (declare (in) float x))\n"
" ((declare () float r)\n"
" (if (expression bool >\n"
" (expression float abs (var_ref x))\n"
" (constant float (.0001)))\n"
" ((assign (constant bool (1))\n"
" (var_ref r) (call atan ((expression float /\n"
" (var_ref y)\n"
" (var_ref x)))))\n"
" (if (expression bool <\n"
" (var_ref x)\n"
" (constant float (0.0)))\n"
" ((assign (constant bool (1))\n"
" (var_ref r)\n"
" (expression float +\n"
" (var_ref r)\n"
" (expression float *\n"
" (expression int sign (var_ref y))\n"
" (constant float (3.1415926))))))\n"
" ()))\n"
" ())\n"
" (return (var_ref r))))\n"
"\n"
" (signature vec2\n"
" (parameters\n"
" (declare (in) vec2 y)\n"
" (declare (in) vec2 x))\n"
" ((declare () vec2 r)\n"
" (if (expression bool >\n"
" (expression vec2 abs (var_ref x))\n"
" (constant float (.0001)))\n"
" ((assign (constant bool (1))\n"
" (var_ref r) (call atan ((expression vec2 /\n"
" (var_ref y)\n"
" (var_ref x)))))\n"
" (if (expression bool <\n"
" (var_ref x)\n"
" (constant float (0.0)))\n"
" ((assign (constant bool (1))\n"
" (var_ref r)\n"
" (expression vec2 +\n"
" (var_ref r)\n"
" (expression vec2 *\n"
" (expression int sign (var_ref y))\n"
" (constant float (3.1415926))))))\n"
" ()))\n"
" ())\n"
" (return (var_ref r))))\n"
"\n"
" (signature vec3\n"
" (parameters\n"
" (declare (in) vec3 y)\n"
" (declare (in) vec3 x))\n"
" ((declare () vec3 r)\n"
" (if (expression bool >\n"
" (expression vec3 abs (var_ref x))\n"
" (constant float (.0001)))\n"
" ((assign (constant bool (1))\n"
" (var_ref r) (call atan ((expression vec3 /\n"
" (var_ref y)\n"
" (var_ref x)))))\n"
" (if (expression bool <\n"
" (var_ref x)\n"
" (constant float (0.0)))\n"
" ((assign (constant bool (1))\n"
" (var_ref r)\n"
" (expression vec3 +\n"
" (var_ref r)\n"
" (expression vec3 *\n"
" (expression int sign (var_ref y))\n"
" (constant float (3.1415926))))))\n"
" ()))\n"
" ())\n"
" (return (var_ref r))))\n"
"\n"
" (signature vec4\n"
" (parameters\n"
" (declare (in) vec4 y)\n"
" (declare (in) vec4 x))\n"
" ((declare () vec4 r)\n"
" (if (expression bool >\n"
" (expression vec4 abs (var_ref x))\n"
" (constant float (.0001)))\n"
" ((assign (constant bool (1))\n"
" (var_ref r) (call atan ((expression vec4 /\n"
" (var_ref y)\n"
" (var_ref x)))))\n"
" (if (expression bool <\n"
" (var_ref x)\n"
" (constant float (0.0)))\n"
" ((assign (constant bool (1))\n"
" (var_ref r)\n"
" (expression vec4 +\n"
" (var_ref r)\n"
" (expression vec4 *\n"
" (expression int sign (var_ref y))\n"
" (constant float (3.1415926))))))\n"
" ()))\n"
" ())\n"
" (return (var_ref r))))\n"
"\n"
"))\n"
};
static const char *builtins_110_ceil = {
"((function ceil\n"
" (signature float\n"
@@ -1563,6 +1720,7 @@ static const char *functions_for_110 [] = {
builtins_110_all,
builtins_110_any,
builtins_110_asin,
builtins_110_atan,
builtins_110_ceil,
builtins_110_clamp,
builtins_110_cos,
builtins/110/atan
+154
View File
@@ -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)
(if (expression bool >
(expression float abs (var_ref x))
(constant float (.0001)))
((assign (constant bool (1))
(var_ref r) (call atan ((expression float /
(var_ref y)
(var_ref x)))))
(if (expression bool <
(var_ref x)
(constant float (0.0)))
((assign (constant bool (1))
(var_ref r)
(expression float +
(var_ref r)
(expression float *
(expression int sign (var_ref y))
(constant float (3.1415926))))))
()))
())
(return (var_ref r))))
(signature vec2
(parameters
(declare (in) vec2 y)
(declare (in) vec2 x))
((declare () vec2 r)
(if (expression bool >
(expression vec2 abs (var_ref x))
(constant float (.0001)))
((assign (constant bool (1))
(var_ref r) (call atan ((expression vec2 /
(var_ref y)
(var_ref x)))))
(if (expression bool <
(var_ref x)
(constant float (0.0)))
((assign (constant bool (1))
(var_ref r)
(expression vec2 +
(var_ref r)
(expression vec2 *
(expression int sign (var_ref y))
(constant float (3.1415926))))))
()))
())
(return (var_ref r))))
(signature vec3
(parameters
(declare (in) vec3 y)
(declare (in) vec3 x))
((declare () vec3 r)
(if (expression bool >
(expression vec3 abs (var_ref x))
(constant float (.0001)))
((assign (constant bool (1))
(var_ref r) (call atan ((expression vec3 /
(var_ref y)
(var_ref x)))))
(if (expression bool <
(var_ref x)
(constant float (0.0)))
((assign (constant bool (1))
(var_ref r)
(expression vec3 +
(var_ref r)
(expression vec3 *
(expression int sign (var_ref y))
(constant float (3.1415926))))))
()))
())
(return (var_ref r))))
(signature vec4
(parameters
(declare (in) vec4 y)
(declare (in) vec4 x))
((declare () vec4 r)
(if (expression bool >
(expression vec4 abs (var_ref x))
(constant float (.0001)))
((assign (constant bool (1))
(var_ref r) (call atan ((expression vec4 /
(var_ref y)
(var_ref x)))))
(if (expression bool <
(var_ref x)
(constant float (0.0)))
((assign (constant bool (1))
(var_ref r)
(expression vec4 +
(var_ref r)
(expression vec4 *
(expression int sign (var_ref y))
(constant float (3.1415926))))))
()))
())
(return (var_ref r))))
))