| // 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_BINDING_REMAPPER_H_ |
| #define SRC_TRANSFORM_BINDING_REMAPPER_H_ |
| |
| #include <unordered_map> |
| |
| #include "src/ast/access_control.h" |
| #include "src/transform/binding_point.h" |
| #include "src/transform/transform.h" |
| |
| namespace tint { |
| namespace transform { |
| |
| /// BindingRemapper is a transform used to remap resource binding points and |
| /// access controls. |
| class BindingRemapper : public Transform { |
| public: |
| /// BindingPoints is a map of old binding point to new binding point |
| using BindingPoints = std::unordered_map<BindingPoint, BindingPoint>; |
| |
| /// AccessControls is a map of old binding point to new access control |
| using AccessControls = std::unordered_map<BindingPoint, ast::AccessControl>; |
| |
| /// Remappings is consumed by the BindingRemapper transform. |
| /// Data holds information about shader usage and constant buffer offsets. |
| struct Remappings : public Castable<Data, transform::Data> { |
| /// Constructor |
| /// @param bp a map of new binding points |
| /// @param ac a map of new access controls |
| Remappings(BindingPoints bp, AccessControls ac); |
| |
| /// Copy constructor |
| Remappings(const Remappings&); |
| |
| /// Destructor |
| ~Remappings() override; |
| |
| /// A map of old binding point to new binding point |
| BindingPoints const binding_points; |
| |
| /// A map of old binding point to new access controls |
| AccessControls const access_controls; |
| }; |
| |
| /// Constructor |
| BindingRemapper(); |
| ~BindingRemapper() override; |
| |
| /// Runs the transform on `program`, returning the transformation result. |
| /// @param program the source program to transform |
| /// @param data optional extra transform-specific input data |
| /// @returns the transformation result |
| Output Run(const Program* program, const DataMap& data = {}) override; |
| }; |
| |
| } // namespace transform |
| } // namespace tint |
| |
| #endif // SRC_TRANSFORM_BINDING_REMAPPER_H_ |