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authorMaxence Le DorĂ© <[email protected]>2014-01-03 00:09:52 +0100
committerKenneth Graunke <[email protected]>2014-01-06 14:28:08 -0800
commit73c74515879335625909d70e229e80caaac86aa3 (patch)
tree91a85bd4f6ca9f4ceafa4983b36e51c76b675cc1 /src/glsl/builtin_functions.cpp
parentce46e147295e841a7483d6dec2f943724ab964c3 (diff)
glsl: implement max3 built-in function
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/glsl/builtin_functions.cpp')
-rw-r--r--src/glsl/builtin_functions.cpp38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp
index 95114c885a7..94ae2a46a81 100644
--- a/src/glsl/builtin_functions.cpp
+++ b/src/glsl/builtin_functions.cpp
@@ -581,6 +581,11 @@ private:
const glsl_type *y_type,
const glsl_type *z_type);
+ ir_function_signature *_max3(builtin_available_predicate avail,
+ const glsl_type *x_type,
+ const glsl_type *y_type,
+ const glsl_type *z_type);
+
#undef B0
#undef B1
#undef B2
@@ -2134,6 +2139,23 @@ builtin_builder::create_builtins()
_min3(shader_trinary_minmax, glsl_type::uvec4_type, glsl_type::uvec4_type, glsl_type::uvec4_type),
NULL);
+ add_function("max3",
+ _max3(shader_trinary_minmax, glsl_type::float_type, glsl_type::float_type, glsl_type::float_type),
+ _max3(shader_trinary_minmax, glsl_type::vec2_type, glsl_type::vec2_type, glsl_type::vec2_type),
+ _max3(shader_trinary_minmax, glsl_type::vec3_type, glsl_type::vec3_type, glsl_type::vec3_type),
+ _max3(shader_trinary_minmax, glsl_type::vec4_type, glsl_type::vec4_type, glsl_type::vec4_type),
+
+ _max3(shader_trinary_minmax, glsl_type::int_type, glsl_type::int_type, glsl_type::int_type),
+ _max3(shader_trinary_minmax, glsl_type::ivec2_type, glsl_type::ivec2_type, glsl_type::ivec2_type),
+ _max3(shader_trinary_minmax, glsl_type::ivec3_type, glsl_type::ivec3_type, glsl_type::ivec3_type),
+ _max3(shader_trinary_minmax, glsl_type::ivec4_type, glsl_type::ivec4_type, glsl_type::ivec4_type),
+
+ _max3(shader_trinary_minmax, glsl_type::uint_type, glsl_type::uint_type, glsl_type::uint_type),
+ _max3(shader_trinary_minmax, glsl_type::uvec2_type, glsl_type::uvec2_type, glsl_type::uvec2_type),
+ _max3(shader_trinary_minmax, glsl_type::uvec3_type, glsl_type::uvec3_type, glsl_type::uvec3_type),
+ _max3(shader_trinary_minmax, glsl_type::uvec4_type, glsl_type::uvec4_type, glsl_type::uvec4_type),
+ NULL);
+
#undef F
#undef FI
#undef FIU
@@ -4035,6 +4057,22 @@ builtin_builder::_min3(builtin_available_predicate avail,
return sig;
}
+ir_function_signature *
+builtin_builder::_max3(builtin_available_predicate avail,
+ const glsl_type *x_type, const glsl_type *y_type,
+ const glsl_type *z_type)
+{
+ ir_variable *x = in_var(x_type, "x");
+ ir_variable *y = in_var(y_type, "y");
+ ir_variable *z = in_var(z_type, "z");
+ MAKE_SIG(x_type, avail, 3, x, y, z);
+
+ ir_expression *max3 = max(x, max(y,z));
+ body.emit(ret(max3));
+
+ return sig;
+}
+
/** @} */
/******************************************************************************/