1 /* 2 * Copyright (c) 2021 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 16 #ifndef FRAMEWORKS_SURFACE_INCLUDE_BUFFER_MANAGER_H 17 #define FRAMEWORKS_SURFACE_INCLUDE_BUFFER_MANAGER_H 18 19 #include <memory> 20 #include "surface_type.h" 21 #include "surface_buffer.h" 22 23 namespace OHOS { 24 class BufferManager : public RefBase { 25 public: 26 static sptr<BufferManager> GetInstance(); 27 28 GSError Init(); 29 GSError Alloc(const BufferRequestConfig &config, sptr<SurfaceBuffer>& buffer); 30 GSError Map(sptr<SurfaceBuffer>& buffer); 31 GSError Unmap(sptr<SurfaceBuffer>& buffer); 32 GSError Unmap(BufferHandle *bufferHandle); 33 GSError FlushCache(sptr<SurfaceBuffer>& buffer); 34 GSError InvalidateCache(sptr<SurfaceBuffer>& buffer); 35 GSError Free(sptr<SurfaceBuffer>& buffer); 36 GSError IsSupportedAlloc(const std::vector<BufferVerifyAllocInfo> &infos, 37 std::vector<bool> &supporteds); 38 39 private: 40 BufferManager() = default; 41 ~BufferManager() = default; 42 static inline sptr<BufferManager> instance = nullptr; 43 }; 44 } // namespace OHOS 45 46 #endif // FRAMEWORKS_SURFACE_INCLUDE_BUFFER_MANAGER_H 47