| // Copyright 2021 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_TRANSFORM_SINGLE_ENTRY_POINT_H_ |
| #define SRC_TRANSFORM_SINGLE_ENTRY_POINT_H_ |
| |
| #include <string> |
| |
| #include "src/transform/transform.h" |
| |
| namespace tint { |
| namespace transform { |
| |
| /// Strip all but one entry point a module. |
| /// |
| /// All module-scope variables, types, and functions that are not used by the |
| /// target entry point will also be removed. |
| class SingleEntryPoint : public Castable<SingleEntryPoint, Transform> { |
| public: |
| /// Configuration options for the transform |
| struct Config : public Castable<Config, Data> { |
| /// Constructor |
| /// @param entry_point the name of the entry point to keep |
| explicit Config(std::string entry_point = ""); |
| |
| /// Copy constructor |
| Config(const Config&); |
| |
| /// Destructor |
| ~Config() override; |
| |
| /// Assignment operator |
| /// @returns this Config |
| Config& operator=(const Config&); |
| |
| /// The name of the entry point to keep. |
| std::string entry_point_name; |
| }; |
| |
| /// Constructor |
| SingleEntryPoint(); |
| |
| /// Destructor |
| ~SingleEntryPoint() override; |
| |
| protected: |
| /// Runs the transform using the CloneContext built for transforming a |
| /// program. Run() is responsible for calling Clone() on the CloneContext. |
| /// @param ctx the CloneContext primed with the input program and |
| /// ProgramBuilder |
| /// @param inputs optional extra transform-specific input data |
| /// @param outputs optional extra transform-specific output data |
| void Run(CloneContext& ctx, |
| const DataMap& inputs, |
| DataMap& outputs) const override; |
| }; |
| |
| } // namespace transform |
| } // namespace tint |
| |
| #endif // SRC_TRANSFORM_SINGLE_ENTRY_POINT_H_ |