mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-06-03 13:11:34 +00:00
2a59901483
This CL adds the basis of the Metal Shading Language backend. Bug: tint:8 Change-Id: I85976250eb41ac12203a5db116444e993c3d09d4 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23700 Reviewed-by: David Neto <dneto@google.com>
620 lines
15 KiB
C++
620 lines
15 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string>
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#include <vector>
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#include "gmock/gmock.h"
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#include "src/reader/spirv/function.h"
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#include "src/reader/spirv/parser_impl.h"
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#include "src/reader/spirv/parser_impl_test_helper.h"
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#include "src/reader/spirv/spirv_tools_helpers_test.h"
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namespace tint {
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namespace reader {
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namespace spirv {
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namespace {
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using ::testing::HasSubstr;
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/// @returns a SPIR-V assembly segment which assigns debug names
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/// to particular IDs.
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std::string Names(std::vector<std::string> ids) {
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std::ostringstream outs;
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for (auto& id : ids) {
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outs << " OpName %" << id << " \"" << id << "\"\n";
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}
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return outs.str();
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}
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std::string CommonTypes() {
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return R"(
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%void = OpTypeVoid
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%voidfn = OpTypeFunction %void
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%bool = OpTypeBool
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%float = OpTypeFloat 32
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%uint = OpTypeInt 32 0
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%int = OpTypeInt 32 1
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%ptr_bool = OpTypePointer Function %bool
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%ptr_float = OpTypePointer Function %float
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%ptr_uint = OpTypePointer Function %uint
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%ptr_int = OpTypePointer Function %int
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%true = OpConstantTrue %bool
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%false = OpConstantFalse %bool
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%float_0 = OpConstant %float 0.0
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%float_1p5 = OpConstant %float 1.5
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%uint_1 = OpConstant %uint 1
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%int_m1 = OpConstant %int -1
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%uint_2 = OpConstant %uint 2
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%v2float = OpTypeVector %float 2
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%m3v2float = OpTypeMatrix %v2float 3
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%arr2uint = OpTypeArray %uint %uint_2
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%strct = OpTypeStruct %uint %float %arr2uint
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)";
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_AnonymousVars) {
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auto* p = parser(test::Assemble(CommonTypes() + R"(
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%1 = OpVariable %ptr_uint Function
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%2 = OpVariable %ptr_uint Function
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%3 = OpVariable %ptr_uint Function
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions()) << p->error();
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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x_1
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function
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__u32
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}
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}
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VariableDeclStatement{
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Variable{
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x_2
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function
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__u32
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}
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}
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VariableDeclStatement{
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Variable{
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x_3
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function
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__u32
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}
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}
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)"));
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_NamedVars) {
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auto* p = parser(test::Assemble(Names({"a", "b", "c"}) + CommonTypes() + R"(
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%a = OpVariable %ptr_uint Function
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%b = OpVariable %ptr_uint Function
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%c = OpVariable %ptr_uint Function
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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a
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function
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__u32
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}
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}
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VariableDeclStatement{
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Variable{
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b
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function
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__u32
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}
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}
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VariableDeclStatement{
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Variable{
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c
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function
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__u32
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}
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}
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)"));
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_MixedTypes) {
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auto* p = parser(test::Assemble(Names({"a", "b", "c"}) + CommonTypes() + R"(
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%a = OpVariable %ptr_uint Function
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%b = OpVariable %ptr_int Function
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%c = OpVariable %ptr_float Function
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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a
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function
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__u32
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}
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}
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VariableDeclStatement{
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Variable{
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b
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function
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__i32
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}
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}
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VariableDeclStatement{
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Variable{
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c
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function
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__f32
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}
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}
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)"));
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_ScalarInitializers) {
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auto* p = parser(
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test::Assemble(Names({"a", "b", "c", "d", "e"}) + CommonTypes() + R"(
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%a = OpVariable %ptr_bool Function %true
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%b = OpVariable %ptr_bool Function %false
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%c = OpVariable %ptr_int Function %int_m1
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%d = OpVariable %ptr_uint Function %uint_1
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%e = OpVariable %ptr_float Function %float_1p5
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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a
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function
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__bool
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{
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ScalarConstructor{true}
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}
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}
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}
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VariableDeclStatement{
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Variable{
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b
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function
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__bool
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{
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ScalarConstructor{false}
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}
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}
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}
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VariableDeclStatement{
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Variable{
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c
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function
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__i32
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{
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ScalarConstructor{-1}
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}
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}
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}
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VariableDeclStatement{
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Variable{
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d
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function
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__u32
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{
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ScalarConstructor{1}
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}
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}
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}
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VariableDeclStatement{
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Variable{
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e
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function
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__f32
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{
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ScalarConstructor{1.500000}
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}
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}
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}
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)"));
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_ScalarNullInitializers) {
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auto* p =
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parser(test::Assemble(Names({"a", "b", "c", "d"}) + CommonTypes() + R"(
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%null_bool = OpConstantNull %bool
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%null_int = OpConstantNull %int
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%null_uint = OpConstantNull %uint
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%null_float = OpConstantNull %float
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%a = OpVariable %ptr_bool Function %null_bool
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%b = OpVariable %ptr_int Function %null_int
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%c = OpVariable %ptr_uint Function %null_uint
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%d = OpVariable %ptr_float Function %null_float
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions()) << p->error();
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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a
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function
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__bool
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{
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ScalarConstructor{false}
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}
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}
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}
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VariableDeclStatement{
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Variable{
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b
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function
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__i32
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{
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ScalarConstructor{0}
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}
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}
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}
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VariableDeclStatement{
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Variable{
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c
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function
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__u32
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{
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ScalarConstructor{0}
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}
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}
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}
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VariableDeclStatement{
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Variable{
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d
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function
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__f32
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{
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ScalarConstructor{0.000000}
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}
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}
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}
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)"));
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_VectorInitializer) {
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auto* p = parser(test::Assemble(CommonTypes() + R"(
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%ptr = OpTypePointer Function %v2float
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%two = OpConstant %float 2.0
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%const = OpConstantComposite %v2float %float_1p5 %two
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%200 = OpVariable %ptr Function %const
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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x_200
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function
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__vec_2__f32
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{
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TypeConstructor{
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__vec_2__f32
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ScalarConstructor{1.500000}
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ScalarConstructor{2.000000}
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}
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}
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}
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}
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)")) << ToString(fe.ast_body());
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_MatrixInitializer) {
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auto* p = parser(test::Assemble(CommonTypes() + R"(
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%ptr = OpTypePointer Function %m3v2float
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%two = OpConstant %float 2.0
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%three = OpConstant %float 3.0
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%four = OpConstant %float 4.0
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%v0 = OpConstantComposite %v2float %float_1p5 %two
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%v1 = OpConstantComposite %v2float %two %three
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%v2 = OpConstantComposite %v2float %three %four
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%const = OpConstantComposite %m3v2float %v0 %v1 %v2
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%200 = OpVariable %ptr Function %const
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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x_200
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function
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__mat_2_3__f32
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{
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TypeConstructor{
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__mat_2_3__f32
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TypeConstructor{
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__vec_2__f32
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ScalarConstructor{1.500000}
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ScalarConstructor{2.000000}
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}
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TypeConstructor{
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__vec_2__f32
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ScalarConstructor{2.000000}
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ScalarConstructor{3.000000}
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}
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TypeConstructor{
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__vec_2__f32
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ScalarConstructor{3.000000}
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ScalarConstructor{4.000000}
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}
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}
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}
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}
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}
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)"));
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_ArrayInitializer) {
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auto* p = parser(test::Assemble(CommonTypes() + R"(
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%ptr = OpTypePointer Function %arr2uint
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%two = OpConstant %uint 2
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%const = OpConstantComposite %arr2uint %uint_1 %two
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%200 = OpVariable %ptr Function %const
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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x_200
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function
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__array__u32_2
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{
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TypeConstructor{
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__array__u32_2
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ScalarConstructor{1}
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ScalarConstructor{2}
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}
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}
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}
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}
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)")) << ToString(fe.ast_body());
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_ArrayInitializer_AliasType) {
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auto* p = parser(test::Assemble(
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std::string("OpDecorate %arr2uint ArrayStride 16\n") + CommonTypes() + R"(
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%ptr = OpTypePointer Function %arr2uint
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%two = OpConstant %uint 2
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%const = OpConstantComposite %arr2uint %uint_1 %two
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%200 = OpVariable %ptr Function %const
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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x_200
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function
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__alias_Arr__array__u32_2_16
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{
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TypeConstructor{
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__alias_Arr__array__u32_2_16
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ScalarConstructor{1}
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ScalarConstructor{2}
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}
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}
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}
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}
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)")) << ToString(fe.ast_body());
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_ArrayInitializer_Null) {
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auto* p = parser(test::Assemble(CommonTypes() + R"(
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%ptr = OpTypePointer Function %arr2uint
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%two = OpConstant %uint 2
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%const = OpConstantNull %arr2uint
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%200 = OpVariable %ptr Function %const
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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x_200
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function
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__array__u32_2
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{
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TypeConstructor{
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__array__u32_2
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ScalarConstructor{0}
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ScalarConstructor{0}
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}
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}
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}
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}
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)")) << ToString(fe.ast_body());
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_ArrayInitializer_AliasType_Null) {
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auto* p = parser(test::Assemble(
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std::string("OpDecorate %arr2uint ArrayStride 16\n") + CommonTypes() + R"(
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%ptr = OpTypePointer Function %arr2uint
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%two = OpConstant %uint 2
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%const = OpConstantNull %arr2uint
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%200 = OpVariable %ptr Function %const
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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x_200
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function
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__alias_Arr__array__u32_2_16
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{
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TypeConstructor{
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__alias_Arr__array__u32_2_16
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ScalarConstructor{0}
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ScalarConstructor{0}
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}
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}
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}
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}
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)")) << ToString(fe.ast_body());
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}
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TEST_F(SpvParserTest, EmitFunctionVariables_StructInitializer) {
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auto* p = parser(test::Assemble(CommonTypes() + R"(
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%ptr = OpTypePointer Function %strct
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%two = OpConstant %uint 2
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%arrconst = OpConstantComposite %arr2uint %uint_1 %two
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%const = OpConstantComposite %strct %uint_1 %float_1p5 %arrconst
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%100 = OpFunction %void None %voidfn
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%entry = OpLabel
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%200 = OpVariable %ptr Function %const
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OpReturn
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OpFunctionEnd
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)"));
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ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
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FunctionEmitter fe(p, *spirv_function(100));
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EXPECT_TRUE(fe.EmitFunctionVariables());
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EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
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Variable{
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x_200
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function
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__alias_S__struct_S
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{
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TypeConstructor{
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__alias_S__struct_S
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ScalarConstructor{1}
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ScalarConstructor{1.500000}
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TypeConstructor{
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__array__u32_2
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ScalarConstructor{1}
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ScalarConstructor{2}
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}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
)")) << ToString(fe.ast_body());
|
|
}
|
|
|
|
TEST_F(SpvParserTest, EmitFunctionVariables_StructInitializer_Null) {
|
|
auto* p = parser(test::Assemble(CommonTypes() + R"(
|
|
%ptr = OpTypePointer Function %strct
|
|
%two = OpConstant %uint 2
|
|
%arrconst = OpConstantComposite %arr2uint %uint_1 %two
|
|
%const = OpConstantNull %strct
|
|
|
|
%100 = OpFunction %void None %voidfn
|
|
%entry = OpLabel
|
|
%200 = OpVariable %ptr Function %const
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)"));
|
|
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
|
|
FunctionEmitter fe(p, *spirv_function(100));
|
|
EXPECT_TRUE(fe.EmitFunctionVariables());
|
|
|
|
EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(VariableDeclStatement{
|
|
Variable{
|
|
x_200
|
|
function
|
|
__alias_S__struct_S
|
|
{
|
|
TypeConstructor{
|
|
__alias_S__struct_S
|
|
ScalarConstructor{0}
|
|
ScalarConstructor{0.000000}
|
|
TypeConstructor{
|
|
__array__u32_2
|
|
ScalarConstructor{0}
|
|
ScalarConstructor{0}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
)")) << ToString(fe.ast_body());
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace spirv
|
|
} // namespace reader
|
|
} // namespace tint
|