From da61c94db8bb26bac61565a3c6a3f6a3f5e1eab6 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Tue, 12 Jul 2016 12:30:04 -0700 Subject: [PATCH] glsl: Generate code for constant ir_binop_dot expressions v2: 'for (a, b) in d' => 'for a, b in d'. Suggested by Dylan. Signed-off-by: Ian Romanick Reviewed-by: Matt Turner Acked-by: Dylan Baker --- src/compiler/glsl/ir_expression_operation.py | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/src/compiler/glsl/ir_expression_operation.py b/src/compiler/glsl/ir_expression_operation.py index 1cb9734..9d4d59e 100644 --- a/src/compiler/glsl/ir_expression_operation.py +++ b/src/compiler/glsl/ir_expression_operation.py @@ -205,6 +205,21 @@ constant_template_horizontal_nonassignment = mako.template.Template("""\ ${op.c_expression['default']}; break;""") +# This template is for binary operations that are horizontal. That is, the +# operation consumes a vector and produces a scalar. +constant_template_horizontal = mako.template.Template("""\ + case ${op.get_enum_name()}: + 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.get_c_expression(src_types)}; + break; + % endfor + default: + assert(0); + } + break;""") + vector_scalar_operation = "vector-scalar" horizontal_operation = "horizontal" @@ -274,6 +289,8 @@ class operation(object): 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 horizontal_operation in self.flags: + return constant_template_horizontal.render(op=self) elif len(self.source_types) == 1: return constant_template0.render(op=self) elif self.dest_type is not None: @@ -478,7 +495,7 @@ ir_expression_operation = [ operation("logic_xor", 2, printable_name="^^", source_types=(bool_type,), c_expression="{src0} != {src1}"), operation("logic_or", 2, printable_name="||", source_types=(bool_type,), c_expression="{src0} || {src1}"), - operation("dot", 2), + operation("dot", 2, source_types=real_types, c_expression={'f': "dot_f(op[0], op[1])", 'd': "dot_d(op[0], op[1])"}, flags=horizontal_operation), operation("min", 2, source_types=numeric_types, c_expression="MIN2({src0}, {src1})", flags=vector_scalar_operation), operation("max", 2, source_types=numeric_types, c_expression="MAX2({src0}, {src1})", flags=vector_scalar_operation), -- 2.7.4