| // Copyright 2022 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_AST_INTERPOLATE_ATTRIBUTE_H_ |
| #define SRC_TINT_AST_INTERPOLATE_ATTRIBUTE_H_ |
| |
| #include <string> |
| |
| #include "src/tint/ast/attribute.h" |
| |
| // Forward declarations |
| namespace tint::ast { |
| class Expression; |
| } |
| |
| namespace tint::ast { |
| |
| /// An interpolate attribute |
| class InterpolateAttribute final : public utils::Castable<InterpolateAttribute, Attribute> { |
| public: |
| /// Create an interpolate attribute. |
| /// @param pid the identifier of the program that owns this node |
| /// @param nid the unique node identifier |
| /// @param src the source of this node |
| /// @param type the interpolation type |
| /// @param sampling the interpolation sampling |
| InterpolateAttribute(ProgramID pid, |
| NodeID nid, |
| const Source& src, |
| const Expression* type, |
| const Expression* sampling); |
| ~InterpolateAttribute() override; |
| |
| /// @returns the WGSL name for the attribute |
| std::string Name() const override; |
| |
| /// Clones this node and all transitive child nodes using the `CloneContext` |
| /// `ctx`. |
| /// @param ctx the clone context |
| /// @return the newly cloned node |
| const InterpolateAttribute* Clone(CloneContext* ctx) const override; |
| |
| /// The interpolation type |
| const Expression* const type; |
| |
| /// The interpolation sampling |
| const Expression* const sampling; |
| }; |
| |
| } // namespace tint::ast |
| |
| #endif // SRC_TINT_AST_INTERPOLATE_ATTRIBUTE_H_ |