blob: b2bca9d6883213a9fdf4786f72e3f86bbd48cd1b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_EVENT_WORKER_H_
#define ANDROID_EVENT_WORKER_H_
#include "drmdevice.h"
#include "worker.h"
#include <stdint.h>
#include <map>
#include <hardware/hardware.h>
#include <hardware/hwcomposer.h>
namespace android {
class VsyncCallback {
public:
virtual ~VsyncCallback() {
}
virtual void Callback(int display, int64_t timestamp) = 0;
};
class VSyncWorker : public Worker {
public:
VSyncWorker();
~VSyncWorker() override;
int Init(DrmDevice *drm, int display);
void RegisterCallback(std::shared_ptr<VsyncCallback> callback);
void VSyncControl(bool enabled);
protected:
void Routine() override;
private:
int64_t GetPhasedVSync(int64_t frame_ns, int64_t current);
int SyntheticWaitVBlank(int64_t *timestamp);
DrmDevice *drm_;
// shared_ptr since we need to use this outside of the thread lock (to
// actually call the hook) and we don't want the memory freed until we're
// done
std::shared_ptr<VsyncCallback> callback_ = NULL;
int display_;
bool enabled_;
int64_t last_timestamp_;
};
} // namespace android
#endif
|
