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glsl: Generate code for constant ir_triop_vector_insert expressions

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v2: 'for (a, b) in d' => 'for a, b in d'.  Suggested by Dylan.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Acked-by: Dylan Baker <dylan@pnwbakers.com>
This commit is contained in:
Ian Romanick 2016-07-12 16:02:02 -07:00
parent 9f1d7c5235
commit 4d8ac28b20
1 changed files with 25 additions and 2 deletions
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27
src/compiler/glsl/ir_expression_operation.py
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@ -288,6 +288,26 @@ constant_template_vector_extract = mako.template.Template("""\
break;
}""")
# This template is for ir_triop_vector_insert.
constant_template_vector_insert = mako.template.Template("""\
case ${op.get_enum_name()}: {
const unsigned idx = op[2]->value.u[0];
memcpy(&data, &op[0]->value, sizeof(data));
switch (this->type->base_type) {
% for dst_type, src_types in op.signatures():
case ${src_types[0].glsl_type}:
data.${dst_type.union_field}[idx] = op[1]->value.${src_types[0].union_field}[0];
break;
% endfor
default:
assert(!"Should not get here.");
break;
}
break;
}""")
vector_scalar_operation = "vector-scalar"
horizontal_operation = "horizontal"
@ -370,7 +390,10 @@ class operation(object):
else:
return constant_template3.render(op=self)
elif self.num_operands == 3:
return constant_template3.render(op=self)
if self.name == "vector_insert":
return constant_template_vector_insert.render(op=self)
else:
return constant_template3.render(op=self)
return None
@ -632,7 +655,7 @@ ir_expression_operation = [
# operand0 is the vector
# operand1 is the value to write into the vector result
# operand2 is the index in operand0 to be modified
operation("vector_insert", 3),
operation("vector_insert", 3, source_types=all_types, c_expression="anything-except-None"),
operation("bitfield_insert", 4),