blob: 295e5c4407baa07a386af1e88e08b551701a5a5a (
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
69
70
71
72
73
74
|
// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QEGLFSKKMSEVENTREADER_H
#define QEGLFSKKMSEVENTREADER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "private/qeglfsglobal_p.h"
#include <QObject>
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
QT_BEGIN_NAMESPACE
class QEglFSKmsDevice;
struct QEglFSKmsEventHost : public QObject
{
struct PendingFlipWait {
void *key;
QMutex *mutex;
QWaitCondition *cond;
};
static const int MAX_FLIPS = 32;
void *completedFlips[MAX_FLIPS] = {};
QEglFSKmsEventHost::PendingFlipWait pendingFlipWaits[MAX_FLIPS] = {};
bool event(QEvent *event) override;
void updateStatus();
void handlePageFlipCompleted(void *key);
};
class QEglFSKmsEventReaderThread : public QThread
{
public:
QEglFSKmsEventReaderThread(int fd) : m_fd(fd) { }
void run() override;
QEglFSKmsEventHost *eventHost() { return &m_ev; }
private:
int m_fd;
QEglFSKmsEventHost m_ev;
};
class Q_EGLFS_EXPORT QEglFSKmsEventReader
{
public:
~QEglFSKmsEventReader();
void create(QEglFSKmsDevice *device);
void destroy();
void startWaitFlip(void *key, QMutex *mutex, QWaitCondition *cond);
private:
QEglFSKmsDevice *m_device = nullptr;
QEglFSKmsEventReaderThread *m_thread = nullptr;
};
QT_END_NAMESPACE
#endif // QEGLFSKKMSEVENTREADER_H
|
