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glsl: Generate code for some constant binary expression that are horizontal

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Only operations where the implementation is identical code regardless of
type.  The only such operations are ir_binop_all_equal and
ir_binop_any_nequal.

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 10:12:57 -07:00
parent d5bfe6b9c4
commit 8cf9157786
1 changed files with 7 additions and 3 deletions
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10
src/compiler/glsl/ir_expression_operation.py
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@@ -180,7 +180,8 @@ constant_template_vector_scalar = mako.template.Template("""\
}
break;""")
# This template is for unary operations that are horizontal. That is, the
# This template is for operations that are horizontal and either have only a
# single type or the implementation for all types is identical. That is, the
# operation consumes a vector and produces a scalar.
constant_template_horizontal_single_implementation = mako.template.Template("""\
case ${op.get_enum_name()}:
@@ -190,6 +191,7 @@ constant_template_horizontal_single_implementation = mako.template.Template("""\
vector_scalar_operation = "vector-scalar"
horizontal_operation = "horizontal"
types_identical_operation = "identical"
class operation(object):
def __init__(self, name, num_operands, printable_name = None, source_types = None, dest_type = None, c_expression = None, flags = None):
@@ -243,6 +245,8 @@ class operation(object):
elif self.num_operands == 2:
if 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:
return constant_template_horizontal_single_implementation.render(op=self)
elif len(self.source_types) == 1:
return constant_template0.render(op=self)
elif self.dest_type is not None:
@@ -425,11 +429,11 @@ ir_expression_operation = [
# Returns single boolean for whether all components of operands[0]
# equal the components of operands[1].
operation("all_equal", 2),
operation("all_equal", 2, source_types=all_types, dest_type=bool_type, c_expression="op[0]->has_value(op[1])", flags=frozenset((horizontal_operation, types_identical_operation))),
# Returns single boolean for whether any component of operands[0]
# is not equal to the corresponding component of operands[1].
operation("any_nequal", 2),
operation("any_nequal", 2, source_types=all_types, dest_type=bool_type, c_expression="!op[0]->has_value(op[1])", flags=frozenset((horizontal_operation, types_identical_operation))),
# Bit-wise binary operations.
operation("lshift", 2, printable_name="<<"),