| // Copyright 2023 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. |
| |
| #ifndef SRC_TINT_WRITER_IR_TEXT_GENERATOR_H_ |
| #define SRC_TINT_WRITER_IR_TEXT_GENERATOR_H_ |
| |
| #include <string> |
| |
| #include "src/tint/lang/core/ir/module.h" |
| #include "src/tint/utils/text/text_generator.h" |
| |
| namespace tint::writer { |
| |
| /// Helper methods for generators which are creating text output |
| class IRTextGenerator : public TextGenerator { |
| public: |
| /// Constructor |
| /// @param mod the IR module used by the generator |
| explicit IRTextGenerator(ir::Module* mod); |
| ~IRTextGenerator() override; |
| |
| /// @return a new, unique identifier with the given prefix. |
| /// @param prefix optional prefix to apply to the generated identifier. If |
| /// empty "tint_symbol" will be used. |
| std::string UniqueIdentifier(const std::string& prefix = "") override; |
| |
| /// @returns the generated shader string |
| std::string Result() const override { |
| utils::StringStream ss; |
| ss << preamble_buffer_.String() << std::endl << main_buffer_.String(); |
| return ss.str(); |
| } |
| |
| protected: |
| /// The IR module |
| ir::Module* ir_ = nullptr; |
| |
| /// The buffer holding preamble text |
| TextBuffer preamble_buffer_; |
| }; |
| |
| } // namespace tint::writer |
| |
| #endif // SRC_TINT_WRITER_IR_TEXT_GENERATOR_H_ |