Signed-off-by: Chris Forbes <[email protected]>
---
src/glsl/builtin_functions.cpp | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp
index 8cb75e5..3ea3a3f 100644
--- a/src/glsl/builtin_functions.cpp
+++ b/src/glsl/builtin_functions.cpp
@@ -564,6 +564,7 @@ private:
B1(uaddCarry)
B1(usubBorrow)
B1(mulExtended)
+ B1(interpolateAtCentroid)
ir_function_signature *_atomic_intrinsic(builtin_available_predicate avail);
ir_function_signature *_atomic_op(const char *intrinsic,
@@ -2092,6 +2093,12 @@ builtin_builder::create_builtins()
_mulExtended(glsl_type::uvec3_type),
_mulExtended(glsl_type::uvec4_type),
NULL);
+ add_function("interpolateAtCentroid",
+ _interpolateAtCentroid(glsl_type::float_type),
+ _interpolateAtCentroid(glsl_type::vec2_type),
+ _interpolateAtCentroid(glsl_type::vec3_type),
+ _interpolateAtCentroid(glsl_type::vec4_type),
+ NULL);
add_function("atomicCounter",
_atomic_op("__intrinsic_atomic_read",
@@ -3970,6 +3977,17 @@ builtin_builder::_mulExtended(const glsl_type *type)
}
ir_function_signature *
+builtin_builder::_interpolateAtCentroid(const glsl_type *type)
+{
+ ir_variable *interpolant = new(mem_ctx) ir_variable(type, "interpolant",
ir_var_shader_in);
+ MAKE_SIG(type, gpu_shader5, 1, interpolant);
+
+ body.emit(ret(interpolate_at_centroid(interpolant)));
+
+ return sig;
+}
+
+ir_function_signature *
builtin_builder::_atomic_intrinsic(builtin_available_predicate avail)
{
ir_variable *counter = in_var(glsl_type::atomic_uint_type, "counter");
--
1.8.4.2
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