| // Copyright 2019 The Amber 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_FORMAT_PARSER_H_ |
| #define SRC_FORMAT_PARSER_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "src/format.h" |
| |
| namespace amber { |
| |
| /// Parses a Vulkan image string into a format object. |
| class FormatParser { |
| public: |
| static FormatType NameToType(const std::string& data); |
| |
| FormatParser(); |
| ~FormatParser(); |
| |
| std::unique_ptr<Format> Parse(const std::string& fmt); |
| |
| private: |
| std::unique_ptr<Format> ParseGlslFormat(const std::string& fmt); |
| void ProcessChunk(Format*, const std::string&); |
| void AddPiece(FormatComponentType type, uint8_t bits); |
| void FlushPieces(Format* fmt, FormatMode mode); |
| |
| struct Pieces { |
| Pieces(FormatComponentType t, uint8_t bits) : type(t), num_bits(bits) {} |
| |
| FormatComponentType type; |
| uint8_t num_bits; |
| }; |
| |
| std::vector<Pieces> pieces_; |
| }; |
| |
| } // namespace amber |
| |
| #endif // SRC_FORMAT_PARSER_H_ |