| // Copyright 2020 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <memory> |
| |
| #include "gtest/gtest.h" |
| #include "src/ast/binding_decoration.h" |
| #include "src/ast/builtin.h" |
| #include "src/ast/builtin_decoration.h" |
| #include "src/ast/decorated_variable.h" |
| #include "src/ast/float_literal.h" |
| #include "src/ast/location_decoration.h" |
| #include "src/ast/scalar_constructor_expression.h" |
| #include "src/ast/set_decoration.h" |
| #include "src/ast/storage_class.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/vector_type.h" |
| #include "src/ast/type_constructor_expression.h" |
| #include "src/ast/variable.h" |
| #include "src/ast/variable_decoration.h" |
| #include "src/writer/spirv/builder.h" |
| #include "src/writer/spirv/spv_dump.h" |
| |
| namespace tint { |
| namespace writer { |
| namespace spirv { |
| namespace { |
| |
| using BuilderTest = testing::Test; |
| |
| TEST_F(BuilderTest, GlobalVar_NoStorageClass) { |
| ast::type::F32Type f32; |
| ast::Variable v("var", ast::StorageClass::kNone, &f32); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_TRUE(b.GenerateGlobalVariable(&v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Private %3 |
| %1 = OpVariable %2 Private |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithStorageClass) { |
| ast::type::F32Type f32; |
| ast::Variable v("var", ast::StorageClass::kOutput, &f32); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_TRUE(b.GenerateGlobalVariable(&v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Output %3 |
| %1 = OpVariable %2 Output |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithConstructor) { |
| ast::type::F32Type f32; |
| ast::type::VectorType vec(&f32, 3); |
| |
| ast::ExpressionList vals; |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 3.0f))); |
| |
| auto init = |
| std::make_unique<ast::TypeConstructorExpression>(&vec, std::move(vals)); |
| |
| ast::Variable v("var", ast::StorageClass::kOutput, &f32); |
| v.set_constructor(std::move(init)); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_TRUE(b.GenerateGlobalVariable(&v)) << b.error(); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %6 "var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 3 |
| %3 = OpConstant %2 1 |
| %4 = OpConstant %2 3 |
| %5 = OpConstantComposite %1 %3 %3 %4 |
| %7 = OpTypePointer Output %2 |
| %6 = OpVariable %7 Output %5 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_Const) { |
| ast::type::F32Type f32; |
| ast::type::VectorType vec(&f32, 3); |
| |
| ast::ExpressionList vals; |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.0f))); |
| vals.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 3.0f))); |
| |
| auto init = |
| std::make_unique<ast::TypeConstructorExpression>(&vec, std::move(vals)); |
| |
| ast::Variable v("var", ast::StorageClass::kOutput, &f32); |
| v.set_constructor(std::move(init)); |
| v.set_is_const(true); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_TRUE(b.GenerateGlobalVariable(&v)) << b.error(); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 3 |
| %3 = OpConstant %2 1 |
| %4 = OpConstant %2 3 |
| %5 = OpConstantComposite %1 %3 %3 %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithLocation) { |
| ast::type::F32Type f32; |
| auto v = |
| std::make_unique<ast::Variable>("var", ast::StorageClass::kOutput, &f32); |
| ast::VariableDecorationList decos; |
| decos.push_back(std::make_unique<ast::LocationDecoration>(5)); |
| |
| ast::DecoratedVariable dv(std::move(v)); |
| dv.set_decorations(std::move(decos)); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_TRUE(b.GenerateGlobalVariable(&dv)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var" |
| OpDecorate %1 Location 5 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Output %3 |
| %1 = OpVariable %2 Output |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithBindingAndSet) { |
| ast::type::F32Type f32; |
| auto v = |
| std::make_unique<ast::Variable>("var", ast::StorageClass::kOutput, &f32); |
| ast::VariableDecorationList decos; |
| decos.push_back(std::make_unique<ast::BindingDecoration>(2)); |
| decos.push_back(std::make_unique<ast::SetDecoration>(3)); |
| |
| ast::DecoratedVariable dv(std::move(v)); |
| dv.set_decorations(std::move(decos)); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_TRUE(b.GenerateGlobalVariable(&dv)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var" |
| OpDecorate %1 Binding 2 |
| OpDecorate %1 DescriptorSet 3 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Output %3 |
| %1 = OpVariable %2 Output |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithBuiltin) { |
| ast::type::F32Type f32; |
| auto v = |
| std::make_unique<ast::Variable>("var", ast::StorageClass::kOutput, &f32); |
| ast::VariableDecorationList decos; |
| decos.push_back( |
| std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kPosition)); |
| |
| ast::DecoratedVariable dv(std::move(v)); |
| dv.set_decorations(std::move(decos)); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_TRUE(b.GenerateGlobalVariable(&dv)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var" |
| OpDecorate %1 BuiltIn Position |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Output %3 |
| %1 = OpVariable %2 Output |
| )"); |
| } |
| |
| struct BuiltinData { |
| ast::Builtin builtin; |
| SpvBuiltIn result; |
| }; |
| inline std::ostream& operator<<(std::ostream& out, BuiltinData data) { |
| out << data.builtin; |
| return out; |
| } |
| using BuiltinDataTest = testing::TestWithParam<BuiltinData>; |
| TEST_P(BuiltinDataTest, Convert) { |
| auto params = GetParam(); |
| |
| ast::Module mod; |
| Builder b(&mod); |
| EXPECT_EQ(b.ConvertBuiltin(params.builtin), params.result); |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| BuilderTest_Type, |
| BuiltinDataTest, |
| testing::Values( |
| BuiltinData{ast::Builtin::kNone, SpvBuiltInMax}, |
| BuiltinData{ast::Builtin::kPosition, SpvBuiltInPosition}, |
| BuiltinData{ |
| ast::Builtin::kVertexIdx, |
| SpvBuiltInVertexIndex, |
| }, |
| BuiltinData{ast::Builtin::kInstanceIdx, SpvBuiltInInstanceIndex}, |
| BuiltinData{ast::Builtin::kFrontFacing, SpvBuiltInFrontFacing}, |
| BuiltinData{ast::Builtin::kFragCoord, SpvBuiltInFragCoord}, |
| BuiltinData{ast::Builtin::kFragDepth, SpvBuiltInFragDepth}, |
| BuiltinData{ast::Builtin::kNumWorkgroups, SpvBuiltInNumWorkgroups}, |
| BuiltinData{ast::Builtin::kWorkgroupSize, SpvBuiltInWorkgroupSize}, |
| BuiltinData{ast::Builtin::kLocalInvocationId, |
| SpvBuiltInLocalInvocationId}, |
| BuiltinData{ast::Builtin::kLocalInvocationIdx, |
| SpvBuiltInLocalInvocationIndex}, |
| BuiltinData{ast::Builtin::kGlobalInvocationId, |
| SpvBuiltInGlobalInvocationId})); |
| |
| } // namespace |
| } // namespace spirv |
| } // namespace writer |
| } // namespace tint |