1 /* 2 * Copyright (C) 2011 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 #include <stdlib.h> 18 #include <stdint.h> 19 #include <sys/types.h> 20 21 #include <utils/Errors.h> 22 23 #include "SurfaceFlinger.h" 24 #include "SurfaceTextureLayer.h" 25 26 namespace android { 27 // --------------------------------------------------------------------------- 28 29 30 SurfaceTextureLayer::SurfaceTextureLayer(const sp<SurfaceFlinger>& flinger) 31 : BufferQueue(), flinger(flinger) { 32 } 33 34 SurfaceTextureLayer::~SurfaceTextureLayer() { 35 // remove ourselves from SurfaceFlinger's list. We do this asynchronously 36 // because we don't know where this dtor is called from, it could be 37 // called with the mStateLock held, leading to a dead-lock (it actually 38 // happens). 39 class MessageCleanUpList : public MessageBase { 40 sp<SurfaceFlinger> flinger; 41 wp<IBinder> gbp; 42 public: 43 MessageCleanUpList(const sp<SurfaceFlinger>& flinger, const wp<IBinder>& gbp) 44 : flinger(flinger), gbp(gbp) { } 45 virtual bool handler() { 46 Mutex::Autolock _l(flinger->mStateLock); 47 flinger->mGraphicBufferProducerList.remove(gbp); 48 return true; 49 } 50 }; 51 flinger->postMessageAsync( 52 new MessageCleanUpList(flinger, static_cast<BnGraphicBufferProducer*>(this)) ); 53 } 54 55 // --------------------------------------------------------------------------- 56 }; // namespace android 57
