1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef ALLOCATOR_MANAGER_H 16 #define ALLOCATOR_MANAGER_H 17 #include <memory> 18 #include <mutex> 19 #include "allocator.h" 20 namespace OHOS { 21 namespace HDI { 22 namespace DISPLAY { 23 class AllocatorManager { 24 public: GetInstance()25 static AllocatorManager& GetInstance() 26 { 27 static AllocatorManager instance; 28 return instance; 29 } 30 int32_t Init(); 31 int32_t DeInit(); 32 Allocator* GetAllocator(uint64_t usage); 33 34 private: 35 bool init_ = false; 36 std::shared_ptr<Allocator> frameBufferAllocator_ = nullptr; 37 std::shared_ptr<Allocator> allocator_ = nullptr; 38 int32_t referCount_ = 0; 39 std::mutex allocMutex_; 40 }; 41 } 42 } 43 } 44 #endif // ALLOCATOR_MANAGER_H 45