blob: 1915b5ac729639079ec24ab41df6fcd3c8765f25 [file] [log] [blame]
Ana Krulec241cf832018-08-10 15:03:23 -07001/*
2 * Copyright 2018 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#pragma once
17
18#include <utils/Mutex.h>
19#include <utils/String8.h>
20
21#include "DispSync.h"
22#include "EventThread.h"
23
24namespace android {
25
26class DispSyncSource final : public VSyncSource, private DispSync::Callback {
27public:
28 DispSyncSource(DispSync* dispSync, nsecs_t phaseOffset, bool traceVsync, const char* name);
29
30 ~DispSyncSource() override = default;
31
32 // The following methods are implementation of VSyncSource.
33 void setVSyncEnabled(bool enable) override;
34 void setCallback(VSyncSource::Callback* callback) override;
35 void setPhaseOffset(nsecs_t phaseOffset) override;
36
37private:
38 // The following method is the implementation of the DispSync::Callback.
39 virtual void onDispSyncEvent(nsecs_t when);
40
41 const char* const mName;
42
43 int mValue;
44
45 const bool mTraceVsync;
46 const String8 mVsyncOnLabel;
47 const String8 mVsyncEventLabel;
48
49 DispSync* mDispSync;
50
51 Mutex mCallbackMutex; // Protects the following
52 VSyncSource::Callback* mCallback = nullptr;
53
54 Mutex mVsyncMutex; // Protects the following
55 nsecs_t mPhaseOffset;
56 bool mEnabled;
57};
58
59} // namespace android