| // Copyright 2020 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_LANG_WGSL_AST_STRIDE_ATTRIBUTE_H_ |
| #define SRC_TINT_LANG_WGSL_AST_STRIDE_ATTRIBUTE_H_ |
| |
| #include <string> |
| |
| #include "src/tint/lang/wgsl/ast/attribute.h" |
| #include "src/tint/lang/wgsl/ast/internal_attribute.h" |
| |
| namespace tint::ast { |
| |
| /// A stride attribute used by the SPIR-V reader for strided arrays and |
| /// matrices. |
| class StrideAttribute final : public Castable<StrideAttribute, Attribute> { |
| public: |
| /// constructor |
| /// @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 stride the stride value |
| StrideAttribute(GenerationID pid, NodeID nid, const Source& src, uint32_t stride); |
| ~StrideAttribute() 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 StrideAttribute* Clone(CloneContext& ctx) const override; |
| |
| /// The stride value |
| const uint32_t stride; |
| }; |
| |
| } // namespace tint::ast |
| |
| #endif // SRC_TINT_LANG_WGSL_AST_STRIDE_ATTRIBUTE_H_ |