| // 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_MSL_WRITER_OUTPUT_H_ |
| #define SRC_TINT_LANG_MSL_WRITER_OUTPUT_H_ |
| |
| #include <string> |
| #include <unordered_map> |
| #include <unordered_set> |
| #include <vector> |
| |
| namespace tint::msl::writer { |
| |
| /// The output produced when generating MSL. |
| struct Output { |
| /// Constructor |
| Output(); |
| |
| /// Destructor |
| ~Output(); |
| |
| /// Copy constructor |
| Output(const Output&); |
| |
| /// The generated MSL. |
| std::string msl = ""; |
| |
| /// True if the shader needs a UBO of buffer sizes. |
| bool needs_storage_buffer_sizes = false; |
| |
| /// True if the generated shader uses the invariant attribute. |
| bool has_invariant_attribute = false; |
| |
| /// A map from entry point name to a list of dynamic workgroup allocations. |
| /// Each entry in the vector is the size of the workgroup allocation that |
| /// should be created for that index. |
| std::unordered_map<std::string, std::vector<uint32_t>> workgroup_allocations; |
| |
| /// Indices into the array_length_from_uniform binding that are statically |
| /// used. |
| std::unordered_set<uint32_t> used_array_length_from_uniform_indices; |
| }; |
| |
| } // namespace tint::msl::writer |
| |
| #endif // SRC_TINT_LANG_MSL_WRITER_OUTPUT_H_ |