1 /* 2 * Copyright (c) 2024 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 PRODUCER_SURFACE_DELEGATOR_H 16 #define PRODUCER_SURFACE_DELEGATOR_H 17 18 #include <map> 19 #include <vector> 20 #include <mutex> 21 22 #include "transact_surface_delegator_stub.h" 23 24 namespace OHOS { 25 class ProducerSurfaceDelegator : public TransactSurfaceDelegatorStub { 26 public: 27 ~ProducerSurfaceDelegator() = default; Create()28 static sptr<ProducerSurfaceDelegator> Create() 29 { 30 return sptr<ProducerSurfaceDelegator>(new ProducerSurfaceDelegator()); 31 } 32 GSError DequeueBuffer(int32_t slot, sptr<SurfaceBuffer> buffer); 33 GSError QueueBuffer(int32_t slot, int32_t acquireFence); 34 GSError ReleaseBuffer(const sptr<SurfaceBuffer> &buffer, const sptr<SyncFence> &fence); 35 GSError ClearBufferSlot(int32_t slot); 36 GSError CancelBuffer(int32_t slot, int32_t fenceFd); 37 GSError DetachBuffer(int32_t slot); 38 int OnDequeueBuffer(MessageParcel &data, MessageParcel &reply); 39 int OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option) override; 40 41 private: 42 std::map<int32_t, sptr<SurfaceBuffer>> map_; 43 std::vector<sptr<SurfaceBuffer>> pendingReleaseBuffer_; 44 std::mutex mapMutex_; 45 std::mutex mstate_; 46 }; 47 } // namespace OHOS 48 #endif // PRODUCER_SURFACE_DELEGATOR_H 49