1 // Copyright 2020 The Tint Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SRC_SEM_SAMPLER_TYPE_H_ 16 #define SRC_SEM_SAMPLER_TYPE_H_ 17 18 #include <string> 19 20 #include "src/ast/sampler.h" 21 #include "src/sem/type.h" 22 23 namespace tint { 24 namespace sem { 25 26 /// A sampler type. 27 class Sampler : public Castable<Sampler, Type> { 28 public: 29 /// Constructor 30 /// @param kind the kind of sampler 31 explicit Sampler(ast::SamplerKind kind); 32 /// Move constructor 33 Sampler(Sampler&&); 34 ~Sampler() override; 35 36 /// @returns the sampler type kind()37 ast::SamplerKind kind() const { return kind_; } 38 39 /// @returns true if this is a comparison sampler IsComparison()40 bool IsComparison() const { 41 return kind_ == ast::SamplerKind::kComparisonSampler; 42 } 43 44 /// @returns the name for this type 45 std::string type_name() const override; 46 47 /// @param symbols the program's symbol table 48 /// @returns the name for this type that closely resembles how it would be 49 /// declared in WGSL. 50 std::string FriendlyName(const SymbolTable& symbols) const override; 51 52 private: 53 ast::SamplerKind const kind_; 54 }; 55 56 } // namespace sem 57 } // namespace tint 58 59 #endif // SRC_SEM_SAMPLER_TYPE_H_ 60