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 21 #include <surface_type.h> 22 #include <idisplay_gralloc.h> 23 24 #include "surface_buffer.h" 25 26 namespace OHOS { 27 class BufferManager : public RefBase { 28 public: 29 static sptr<BufferManager> GetInstance(); 30 31 GSError Init(); 32 GSError Alloc(const BufferRequestConfig &config, sptr<SurfaceBuffer>& buffer); 33 GSError Map(sptr<SurfaceBuffer>& buffer); 34 GSError Unmap(sptr<SurfaceBuffer>& buffer); 35 GSError Unmap(BufferHandle *bufferHandle); 36 GSError FlushCache(sptr<SurfaceBuffer>& buffer); 37 GSError InvalidateCache(sptr<SurfaceBuffer>& buffer); 38 GSError Free(sptr<SurfaceBuffer>& buffer); 39 GSError IsSupportedAlloc(const std::vector<BufferVerifyAllocInfo> &infos, 40 std::vector<bool> &supporteds); 41 42 private: 43 BufferManager() = default; 44 ~BufferManager() = default; 45 static inline sptr<BufferManager> instance = nullptr; 46 47 std::unique_ptr<::OHOS::HDI::Display::V1_0::IDisplayGralloc> displayGralloc_ = nullptr; 48 }; 49 } // namespace OHOS 50 51 #endif // FRAMEWORKS_SURFACE_INCLUDE_BUFFER_MANAGER_H 52