|  | // 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_AST_STORAGE_CLASS_H_ | 
|  | #define SRC_AST_STORAGE_CLASS_H_ | 
|  |  | 
|  | #include <ostream> | 
|  |  | 
|  | namespace tint { | 
|  | namespace ast { | 
|  |  | 
|  | /// Storage class of a given pointer. | 
|  | enum class StorageClass { | 
|  | kNone = -1, | 
|  | kInput, | 
|  | kOutput, | 
|  | kUniform, | 
|  | kWorkgroup, | 
|  | kUniformConstant, | 
|  | kStorageBuffer, | 
|  | kImage, | 
|  | kPrivate, | 
|  | kFunction | 
|  | }; | 
|  |  | 
|  | std::ostream& operator<<(std::ostream& out, StorageClass sc); | 
|  |  | 
|  | }  // namespace ast | 
|  | }  // namespace tint | 
|  |  | 
|  | #endif  // SRC_AST_STORAGE_CLASS_H_ |