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39
40#ifndef QEGLFSKKMSEVENTREADER_H
41#define QEGLFSKKMSEVENTREADER_H
42
43#include "private/qeglfsglobal_p.h"
44#include <QObject>
45#include <QThread>
46#include <QMutex>
47#include <QWaitCondition>
48
49QT_BEGIN_NAMESPACE
50
51class QEglFSKmsDevice;
52
53struct QEglFSKmsEventHost : public QObject
54{
55 struct PendingFlipWait {
56 void *key;
57 QMutex *mutex;
58 QWaitCondition *cond;
59 };
60
61 static const int MAX_FLIPS = 32;
62 void *completedFlips[MAX_FLIPS] = {};
63 QEglFSKmsEventHost::PendingFlipWait pendingFlipWaits[MAX_FLIPS] = {};
64
65 bool event(QEvent *event) override;
66 void updateStatus();
67 void handlePageFlipCompleted(void *key);
68};
69
70class QEglFSKmsEventReaderThread : public QThread
71{
72public:
73 QEglFSKmsEventReaderThread(int fd) : m_fd(fd) { }
74 void run() override;
75 QEglFSKmsEventHost *eventHost() { return &m_ev; }
76
77private:
78 int m_fd;
79 QEglFSKmsEventHost m_ev;
80};
81
82class Q_EGLFS_EXPORT QEglFSKmsEventReader
83{
84public:
85 ~QEglFSKmsEventReader();
86
87 void create(QEglFSKmsDevice *device);
88 void destroy();
89
90 void startWaitFlip(void *key, QMutex *mutex, QWaitCondition *cond);
91
92private:
93 QEglFSKmsDevice *m_device = nullptr;
94 QEglFSKmsEventReaderThread *m_thread = nullptr;
95};
96
97QT_END_NAMESPACE
98
99#endif // QEGLFSKKMSEVENTREADER_H
100

source code of qtbase/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmseventreader.h