| // 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 "gtest/gtest.h" |
| #include "src/ast/function.h" |
| #include "src/ast/module.h" |
| #include "src/ast/return_statement.h" |
| #include "src/ast/type/array_type.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/i32_type.h" |
| #include "src/ast/type/void_type.h" |
| #include "src/ast/variable.h" |
| #include "src/writer/msl/generator_impl.h" |
| |
| namespace tint { |
| namespace writer { |
| namespace msl { |
| namespace { |
| |
| using MslGeneratorImplTest = testing::Test; |
| |
| TEST_F(MslGeneratorImplTest, Emit_Function) { |
| ast::type::VoidType void_type; |
| |
| auto func = std::make_unique<ast::Function>("my_func", ast::VariableList{}, |
| &void_type); |
| |
| ast::StatementList body; |
| body.push_back(std::make_unique<ast::ReturnStatement>()); |
| func->set_body(std::move(body)); |
| |
| ast::Module m; |
| m.AddFunction(std::move(func)); |
| |
| GeneratorImpl g; |
| g.increment_indent(); |
| |
| ASSERT_TRUE(g.Generate(m)) << g.error(); |
| EXPECT_EQ(g.result(), R"( void my_func() { |
| return; |
| } |
| |
| )"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, Emit_Function_WithParams) { |
| ast::type::F32Type f32; |
| ast::type::I32Type i32; |
| |
| ast::VariableList params; |
| params.push_back( |
| std::make_unique<ast::Variable>("a", ast::StorageClass::kNone, &f32)); |
| params.push_back( |
| std::make_unique<ast::Variable>("b", ast::StorageClass::kNone, &i32)); |
| |
| ast::type::VoidType void_type; |
| auto func = |
| std::make_unique<ast::Function>("my_func", std::move(params), &void_type); |
| |
| ast::StatementList body; |
| body.push_back(std::make_unique<ast::ReturnStatement>()); |
| func->set_body(std::move(body)); |
| |
| ast::Module m; |
| m.AddFunction(std::move(func)); |
| |
| GeneratorImpl g; |
| g.increment_indent(); |
| |
| ASSERT_TRUE(g.Generate(m)) << g.error(); |
| EXPECT_EQ(g.result(), R"( void my_func(float a, int b) { |
| return; |
| } |
| |
| )"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, Emit_Function_EntryPoint_NoName) { |
| ast::type::VoidType void_type; |
| |
| auto func = std::make_unique<ast::Function>("frag_main", ast::VariableList{}, |
| &void_type); |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "", |
| "frag_main"); |
| |
| ast::Module m; |
| m.AddFunction(std::move(func)); |
| m.AddEntryPoint(std::move(ep)); |
| |
| GeneratorImpl g; |
| ASSERT_TRUE(g.Generate(m)) << g.error(); |
| EXPECT_EQ(g.result(), R"(fragment void frag_main() { |
| } |
| |
| )"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, Emit_Function_EntryPoint_WithName) { |
| ast::type::VoidType void_type; |
| |
| auto func = std::make_unique<ast::Function>("comp_main", ast::VariableList{}, |
| &void_type); |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kCompute, |
| "main", "comp_main"); |
| |
| ast::Module m; |
| m.AddFunction(std::move(func)); |
| m.AddEntryPoint(std::move(ep)); |
| |
| GeneratorImpl g; |
| ASSERT_TRUE(g.Generate(m)) << g.error(); |
| EXPECT_EQ(g.result(), R"(kernel void main() { |
| } |
| |
| )"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, Emit_Function_WithArrayParams) { |
| ast::type::F32Type f32; |
| ast::type::ArrayType ary(&f32, 5); |
| |
| ast::VariableList params; |
| params.push_back( |
| std::make_unique<ast::Variable>("a", ast::StorageClass::kNone, &ary)); |
| |
| ast::type::VoidType void_type; |
| auto func = |
| std::make_unique<ast::Function>("my_func", std::move(params), &void_type); |
| |
| ast::StatementList body; |
| body.push_back(std::make_unique<ast::ReturnStatement>()); |
| func->set_body(std::move(body)); |
| |
| ast::Module m; |
| m.AddFunction(std::move(func)); |
| |
| GeneratorImpl g; |
| g.increment_indent(); |
| |
| ASSERT_TRUE(g.Generate(m)) << g.error(); |
| EXPECT_EQ(g.result(), R"( void my_func(float a[5]) { |
| return; |
| } |
| |
| )"); |
| } |
| |
| } // namespace |
| } // namespace msl |
| } // namespace writer |
| } // namespace tint |