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-rw-r--r--src/compiler/glsl/ir_expression_operation.py22
1 files changed, 21 insertions, 1 deletions
diff --git a/src/compiler/glsl/ir_expression_operation.py b/src/compiler/glsl/ir_expression_operation.py
index 7d82ea80dd2..b2bdb45cf34 100644
--- a/src/compiler/glsl/ir_expression_operation.py
+++ b/src/compiler/glsl/ir_expression_operation.py
@@ -270,6 +270,24 @@ constant_template_horizontal = mako.template.Template("""\
}
break;""")
+# This template is for ir_binop_vector_extract.
+constant_template_vector_extract = mako.template.Template("""\
+ case ${op.get_enum_name()}: {
+ const int c = CLAMP(op[1]->value.i[0], 0,
+ (int) op[0]->type->vector_elements - 1);
+
+ switch (op[0]->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[0] = op[0]->value.${src_types[0].union_field}[c];
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ break;
+ }""")
+
vector_scalar_operation = "vector-scalar"
horizontal_operation = "horizontal"
@@ -337,6 +355,8 @@ class operation(object):
elif self.num_operands == 2:
if self.name == "mul":
return constant_template_mul.render(op=self)
+ elif self.name == "vector_extract":
+ return constant_template_vector_extract.render(op=self)
elif vector_scalar_operation in self.flags:
return constant_template_vector_scalar.render(op=self)
elif horizontal_operation in self.flags and types_identical_operation in self.flags:
@@ -574,7 +594,7 @@ ir_expression_operation = [
#
# operand0 is the vector
# operand1 is the index of the field to read from operand0
- operation("vector_extract", 2),
+ operation("vector_extract", 2, source_types=all_types, c_expression="anything-except-None"),
# Interpolate fs input at offset
#