1 // Copyright 2021 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_AST_EXTERNAL_TEXTURE_H_ 16 #define SRC_AST_EXTERNAL_TEXTURE_H_ 17 18 #include <string> 19 20 #include "src/ast/texture.h" 21 22 namespace tint { 23 namespace ast { 24 25 /// An external texture type 26 class ExternalTexture : public Castable<ExternalTexture, Texture> { 27 public: 28 /// Constructor 29 /// @param pid the identifier of the program that owns this node 30 /// @param src the source of this node 31 ExternalTexture(ProgramID pid, const Source& src); 32 33 /// Move constructor 34 ExternalTexture(ExternalTexture&&); 35 ~ExternalTexture() override; 36 37 /// @param symbols the program's symbol table 38 /// @returns the name for this type that closely resembles how it would be 39 /// declared in WGSL. 40 std::string FriendlyName(const SymbolTable& symbols) const override; 41 42 /// Clones this type and all transitive types using the `CloneContext` `ctx`. 43 /// @param ctx the clone context 44 /// @return the newly cloned type 45 const ExternalTexture* Clone(CloneContext* ctx) const override; 46 }; 47 48 } // namespace ast 49 } // namespace tint 50 51 #endif // SRC_AST_EXTERNAL_TEXTURE_H_ 52