RenderThread.h revision cec24ae16e9a0a7c3075f1a8d9149bb7fb3813fc 
1/*
2 * Copyright (C) 2013 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 RENDERTHREAD_H_
18#define RENDERTHREAD_H_
19
20#include "RenderTask.h"
21#include <cutils/compiler.h>
22#include <utils/Looper.h>
23#include <utils/Mutex.h>
24#include <utils/Singleton.h>
25#include <utils/Thread.h>
26
27namespace android {
28namespace uirenderer {
29namespace renderthread {
30
31class ANDROID_API RenderThread : public Thread, public Singleton<RenderThread> {
32public:
33    // RenderThread takes complete ownership of tasks that are queued
34    // and will delete them after they are run
35    ANDROID_API void queue(RenderTask* task);
36
37protected:
38    virtual bool threadLoop();
39
40private:
41    friend class Singleton<RenderThread>;
42
43    RenderThread();
44    virtual ~RenderThread();
45
46    RenderTask* nextTask();
47
48    sp<Looper> mLooper;
49    Mutex mLock;
50
51    RenderTask* mQueueHead;
52    RenderTask* mQueueTail;
53};
54
55} /* namespace renderthread */
56} /* namespace uirenderer */
57} /* namespace android */
58#endif /* RENDERTHREAD_H_ */
59