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-rw-r--r--src/glsl/builtin_functions.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp
index 258b83142c0..e01742c4d05 100644
--- a/src/glsl/builtin_functions.cpp
+++ b/src/glsl/builtin_functions.cpp
@@ -226,6 +226,14 @@ shader_packing_or_gpu_shader5(const _mesa_glsl_parse_state *state)
}
static bool
+fs_gpu_shader5(const _mesa_glsl_parse_state *state)
+{
+ return state->stage == MESA_SHADER_FRAGMENT &&
+ (state->is_version(400, 0) || state->ARB_gpu_shader5_enable);
+}
+
+
+static bool
texture_array_lod(const _mesa_glsl_parse_state *state)
{
return lod_exists_in_stage(state) &&
@@ -627,6 +635,9 @@ private:
B1(uaddCarry)
B1(usubBorrow)
B1(mulExtended)
+ B1(interpolateAtCentroid)
+ B1(interpolateAtOffset)
+ B1(interpolateAtSample)
ir_function_signature *_atomic_intrinsic(builtin_available_predicate avail);
ir_function_signature *_atomic_op(const char *intrinsic,
@@ -2186,6 +2197,24 @@ 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("interpolateAtOffset",
+ _interpolateAtOffset(glsl_type::float_type),
+ _interpolateAtOffset(glsl_type::vec2_type),
+ _interpolateAtOffset(glsl_type::vec3_type),
+ _interpolateAtOffset(glsl_type::vec4_type),
+ NULL);
+ add_function("interpolateAtSample",
+ _interpolateAtSample(glsl_type::float_type),
+ _interpolateAtSample(glsl_type::vec2_type),
+ _interpolateAtSample(glsl_type::vec3_type),
+ _interpolateAtSample(glsl_type::vec4_type),
+ NULL);
add_function("atomicCounter",
_atomic_op("__intrinsic_atomic_read",
@@ -4260,6 +4289,44 @@ builtin_builder::_mulExtended(const glsl_type *type)
}
ir_function_signature *
+builtin_builder::_interpolateAtCentroid(const glsl_type *type)
+{
+ ir_variable *interpolant = in_var(type, "interpolant");
+ interpolant->data.must_be_shader_input = 1;
+ MAKE_SIG(type, fs_gpu_shader5, 1, interpolant);
+
+ body.emit(ret(interpolate_at_centroid(interpolant)));
+
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_interpolateAtOffset(const glsl_type *type)
+{
+ ir_variable *interpolant = in_var(type, "interpolant");
+ interpolant->data.must_be_shader_input = 1;
+ ir_variable *offset = in_var(glsl_type::vec2_type, "offset");
+ MAKE_SIG(type, fs_gpu_shader5, 2, interpolant, offset);
+
+ body.emit(ret(interpolate_at_offset(interpolant, offset)));
+
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_interpolateAtSample(const glsl_type *type)
+{
+ ir_variable *interpolant = in_var(type, "interpolant");
+ interpolant->data.must_be_shader_input = 1;
+ ir_variable *sample_num = in_var(glsl_type::int_type, "sample_num");
+ MAKE_SIG(type, fs_gpu_shader5, 2, interpolant, sample_num);
+
+ body.emit(ret(interpolate_at_sample(interpolant, sample_num)));
+
+ return sig;
+}
+
+ir_function_signature *
builtin_builder::_atomic_intrinsic(builtin_available_predicate avail)
{
ir_variable *counter = in_var(glsl_type::atomic_uint_type, "counter");