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
SurfaceTextureLayer(const sp<SurfaceFlinger> & flinger)30 SurfaceTextureLayer::SurfaceTextureLayer(const sp<SurfaceFlinger>& flinger)
31 : BufferQueue(), flinger(flinger) {
32 }
33
~SurfaceTextureLayer()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