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 INTERFACES_INNERKITS_SURFACE_IBUFFER_PRODUCER_H 17 #define INTERFACES_INNERKITS_SURFACE_IBUFFER_PRODUCER_H 18 19 #include <string> 20 #include <vector> 21 22 #include <iremote_broker.h> 23 24 #include "buffer_extra_data.h" 25 #include "surface_buffer.h" 26 #include "surface_type.h" 27 28 namespace OHOS { 29 class IBufferProducer : public IRemoteBroker { 30 public: 31 struct RequestBufferReturnValue { 32 int32_t sequence; 33 sptr<SurfaceBuffer> buffer; 34 int32_t fence; 35 std::vector<int32_t> deletingBuffers; 36 }; 37 virtual GSError RequestBuffer(const BufferRequestConfig &config, BufferExtraData &bedata, 38 RequestBufferReturnValue &retval) = 0; 39 40 virtual GSError CancelBuffer(int32_t sequence, BufferExtraData &bedata) = 0; 41 42 virtual GSError FlushBuffer(int32_t sequence, BufferExtraData &bedata, 43 int32_t fence, BufferFlushConfig &config) = 0; 44 45 virtual GSError AttachBuffer(sptr<SurfaceBuffer>& buffer) = 0; 46 virtual GSError DetachBuffer(sptr<SurfaceBuffer>& buffer) = 0; 47 48 virtual uint32_t GetQueueSize() = 0; 49 virtual GSError SetQueueSize(uint32_t queueSize) = 0; 50 51 virtual GSError GetName(std::string &name) = 0; 52 53 virtual int32_t GetDefaultWidth() = 0; 54 virtual int32_t GetDefaultHeight() = 0; 55 virtual uint32_t GetDefaultUsage() = 0; 56 57 virtual uint64_t GetUniqueId() = 0; 58 virtual GSError CleanCache() = 0; 59 60 virtual GSError RegisterReleaseListener(OnReleaseFunc func) = 0; 61 62 DECLARE_INTERFACE_DESCRIPTOR(u"surf.IBufferProducer"); 63 64 protected: 65 enum { 66 BUFFER_PRODUCER_REQUEST_BUFFER = 0, 67 BUFFER_PRODUCER_CANCEL_BUFFER = 1, 68 BUFFER_PRODUCER_FLUSH_BUFFER = 2, 69 BUFFER_PRODUCER_GET_QUEUE_SIZE = 3, 70 BUFFER_PRODUCER_SET_QUEUE_SIZE = 4, 71 BUFFER_PRODUCER_GET_NAME = 5, 72 BUFFER_PRODUCER_GET_DEFAULT_WIDTH = 6, 73 BUFFER_PRODUCER_GET_DEFAULT_HEIGHT = 7, 74 BUFFER_PRODUCER_GET_DEFAULT_USAGE = 8, 75 BUFFER_PRODUCER_CLEAN_CACHE = 9, 76 BUFFER_PRODUCER_ATTACH_BUFFER = 10, 77 BUFFER_PRODUCER_DETACH_BUFFER = 11, 78 BUFFER_PRODUCER_REGISTER_RELEASE_LISTENER = 12, 79 BUFFER_PRODUCER_GET_UNIQUE_ID = 13, 80 }; 81 }; 82 } // namespace OHOS 83 84 #endif // INTERFACES_INNERKITS_SURFACE_IBUFFER_PRODUCER_H 85