| // 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/call_expression.h" |
| #include "src/ast/float_literal.h" |
| #include "src/ast/identifier_expression.h" |
| #include "src/ast/scalar_constructor_expression.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/void_type.h" |
| #include "src/context.h" |
| #include "src/type_determiner.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, Call_GLSLMethod) { |
| ast::type::F32Type f32; |
| ast::type::VoidType void_type; |
| |
| ast::ExpressionList params; |
| params.push_back(std::make_unique<ast::ScalarConstructorExpression>( |
| std::make_unique<ast::FloatLiteral>(&f32, 1.f))); |
| |
| ast::CallExpression expr(std::make_unique<ast::IdentifierExpression>( |
| std::vector<std::string>{"std", "round"}), |
| std::move(params)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| |
| auto imp = std::make_unique<ast::Import>("GLSL.std.450", "std"); |
| auto* glsl = imp.get(); |
| mod.AddImport(std::move(imp)); |
| |
| ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error(); |
| |
| ast::Function func("a_func", {}, &void_type); |
| |
| Builder b(&mod); |
| b.GenerateImport(glsl); |
| ASSERT_TRUE(b.GenerateFunction(&func)) << b.error(); |
| |
| EXPECT_EQ(b.GenerateCallExpression(&expr), 7u) << b.error(); |
| EXPECT_EQ(DumpBuilder(b), R"(%1 = OpExtInstImport "GLSL.std.450" |
| OpName %4 "a_func" |
| %3 = OpTypeVoid |
| %2 = OpTypeFunction %3 |
| %6 = OpTypeFloat 32 |
| %8 = OpConstant %6 1 |
| %4 = OpFunction %3 None %2 |
| %5 = OpLabel |
| %7 = OpExtInst %6 %1 Round %8 |
| OpFunctionEnd |
| )"); |
| } |
| |
| } // namespace |
| } // namespace spirv |
| } // namespace writer |
| } // namespace tint |