| // Copyright 2023 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_SPIRV_WRITER_RAISE_VAR_FOR_DYNAMIC_INDEX_H_ |
| #define SRC_TINT_LANG_SPIRV_WRITER_RAISE_VAR_FOR_DYNAMIC_INDEX_H_ |
| |
| #include <string> |
| |
| #include "src/tint/utils/diagnostic/diagnostic.h" |
| #include "src/tint/utils/result/result.h" |
| |
| // Forward declarations. |
| namespace tint::core::ir { |
| class Module; |
| } |
| |
| namespace tint::spirv::writer::raise { |
| |
| /// VarForDynamicIndex is a transform that copies array and matrix values that are dynamically |
| /// indexed to a temporary local `var` before performing the index. This transform is used by the |
| /// SPIR-V writer as there is no SPIR-V instruction that can dynamically index a non-pointer |
| /// composite. |
| /// @param module the module to transform |
| /// @returns success or failure |
| Result<SuccessType> VarForDynamicIndex(core::ir::Module& module); |
| |
| } // namespace tint::spirv::writer::raise |
| |
| #endif // SRC_TINT_LANG_SPIRV_WRITER_RAISE_VAR_FOR_DYNAMIC_INDEX_H_ |