Dan Stoza | b9b0883 | 2014-03-13 11:55:57 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ANDROID_MONITORED_PRODUCER_H |
| 18 | #define ANDROID_MONITORED_PRODUCER_H |
| 19 | |
| 20 | #include <gui/IGraphicBufferProducer.h> |
| 21 | |
| 22 | namespace android { |
| 23 | |
| 24 | class IBinder; |
| 25 | class NativeHandle; |
| 26 | class SurfaceFlinger; |
| 27 | |
| 28 | // MonitoredProducer wraps an IGraphicBufferProducer so that SurfaceFlinger will |
| 29 | // be notified upon its destruction |
| 30 | class MonitoredProducer : public BnGraphicBufferProducer { |
| 31 | public: |
| 32 | MonitoredProducer(const sp<BnGraphicBufferProducer>& producer, |
| 33 | const sp<SurfaceFlinger>& flinger); |
| 34 | virtual ~MonitoredProducer(); |
| 35 | |
| 36 | // From IGraphicBufferProducer |
| 37 | virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf); |
| 38 | virtual status_t setBufferCount(int bufferCount); |
| 39 | virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, bool async, |
| 40 | uint32_t w, uint32_t h, uint32_t format, uint32_t usage); |
| 41 | virtual status_t detachBuffer(int slot); |
| 42 | virtual status_t attachBuffer(int* outSlot, |
| 43 | const sp<GraphicBuffer>& buffer); |
| 44 | virtual status_t queueBuffer(int slot, const QueueBufferInput& input, |
| 45 | QueueBufferOutput* output); |
| 46 | virtual void cancelBuffer(int slot, const sp<Fence>& fence); |
| 47 | virtual int query(int what, int* value); |
| 48 | virtual status_t connect(const sp<IBinder>& token, int api, |
| 49 | bool producerControlledByApp, QueueBufferOutput* output); |
| 50 | virtual status_t disconnect(int api); |
| 51 | virtual status_t setSidebandStream(const sp<NativeHandle>& stream); |
| 52 | |
| 53 | private: |
| 54 | sp<BnGraphicBufferProducer> mProducer; |
| 55 | sp<SurfaceFlinger> mFlinger; |
| 56 | }; |
| 57 | |
| 58 | }; // namespace android |
| 59 | |
| 60 | #endif // ANDROID_MONITORED_PRODUCER_H |