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glsl: Generate code for constant unary expression that are horizontal

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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
2016-07-11 17:38:16 -07:00
parent 8f5357b1d6
commit d5bfe6b9c4
1 changed files with 16 additions and 6 deletions
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22
src/compiler/glsl/ir_expression_operation.py
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@@ -180,8 +180,16 @@ constant_template_vector_scalar = mako.template.Template("""\
}
break;""")
# This template is for unary operations that are horizontal. That is, the
# operation consumes a vector and produces a scalar.
constant_template_horizontal_single_implementation = mako.template.Template("""\
case ${op.get_enum_name()}:
data.${op.dest_type.union_field}[0] = ${op.c_expression['default']};
break;""")
vector_scalar_operation = "vector-scalar"
horizontal_operation = "horizontal"
class operation(object):
def __init__(self, name, num_operands, printable_name = None, source_types = None, dest_type = None, c_expression = None, flags = None):
@@ -220,7 +228,9 @@ class operation(object):
return None
if self.num_operands == 1:
if self.dest_type is not None and len(self.source_types) == 1:
if horizontal_operation in self.flags:
return constant_template_horizontal_single_implementation.render(op=self)
elif self.dest_type is not None and len(self.source_types) == 1:
return constant_template2.render(op=self)
elif self.dest_type is not None:
return constant_template5.render(op=self)
@@ -332,11 +342,11 @@ ir_expression_operation = [
operation("dFdy_fine", 1, printable_name="dFdyFine", source_types=(float_type,), c_expression="0.0f"),
# Floating point pack and unpack operations.
operation("pack_snorm_2x16", 1, printable_name="packSnorm2x16"),
operation("pack_snorm_4x8", 1, printable_name="packSnorm4x8"),
operation("pack_unorm_2x16", 1, printable_name="packUnorm2x16"),
operation("pack_unorm_4x8", 1, printable_name="packUnorm4x8"),
operation("pack_half_2x16", 1, printable_name="packHalf2x16"),
operation("pack_snorm_2x16", 1, printable_name="packSnorm2x16", source_types=(float_type,), dest_type=uint_type, c_expression="pack_2x16(pack_snorm_1x16, op[0]->value.f[0], op[0]->value.f[1])", flags=horizontal_operation),
operation("pack_snorm_4x8", 1, printable_name="packSnorm4x8", source_types=(float_type,), dest_type=uint_type, c_expression="pack_4x8(pack_snorm_1x8, op[0]->value.f[0], op[0]->value.f[1], op[0]->value.f[2], op[0]->value.f[3])", flags=horizontal_operation),
operation("pack_unorm_2x16", 1, printable_name="packUnorm2x16", source_types=(float_type,), dest_type=uint_type, c_expression="pack_2x16(pack_unorm_1x16, op[0]->value.f[0], op[0]->value.f[1])", flags=horizontal_operation),
operation("pack_unorm_4x8", 1, printable_name="packUnorm4x8", source_types=(float_type,), dest_type=uint_type, c_expression="pack_4x8(pack_unorm_1x8, op[0]->value.f[0], op[0]->value.f[1], op[0]->value.f[2], op[0]->value.f[3])", flags=horizontal_operation),
operation("pack_half_2x16", 1, printable_name="packHalf2x16", source_types=(float_type,), dest_type=uint_type, c_expression="pack_2x16(pack_half_1x16, op[0]->value.f[0], op[0]->value.f[1])", flags=horizontal_operation),
operation("unpack_snorm_2x16", 1, printable_name="unpackSnorm2x16"),
operation("unpack_snorm_4x8", 1, printable_name="unpackSnorm4x8"),
operation("unpack_unorm_2x16", 1, printable_name="unpackUnorm2x16"),