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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//#include <QDebug>
#include "qkmsscreen.h"
#include "qkmsdevice.h"
#include "qkmsintegration.h"
#include <QtCore/QSocketNotifier>
#include <QtCore/private/qcore_unix_p.h>
QT_BEGIN_NAMESPACE
QKmsDevice::QKmsDevice(const QString &path, QKmsIntegration *parent) :
QObject(0), m_integration(parent)
{
m_fd = QT_OPEN(path.toLatin1().constData(), O_RDWR);
if (m_fd < 0) {
qWarning("Could not open %s.", path.toLatin1().constData());
qFatal("No DRM display device");
}
m_graphicsBufferManager = gbm_create_device(m_fd);
m_eglDisplay = eglGetDisplay(m_graphicsBufferManager);
if (m_eglDisplay == EGL_NO_DISPLAY) {
qWarning("Could not open EGL display");
qFatal("EGL error");
}
EGLint major;
EGLint minor;
if (!eglInitialize(m_eglDisplay, &major, &minor)) {
qWarning("Could not initialize EGL display");
qFatal("EGL error");
}
createScreens();
// QSocketNotifier *notifier = new QSocketNotifier(m_fd, QSocketNotifier::Read, this);
// connect(notifier, SIGNAL(activated(int)), this, SLOT(handlePageFlipCompleted()));
}
QKmsDevice::~QKmsDevice()
{
}
void QKmsDevice::createScreens()
{
drmModeRes *resources = drmModeGetResources(m_fd);
if (!resources)
qFatal("drmModeGetResources failed");
//Iterate connectors and create screens on each one active
for (int i = 0; i < resources->count_connectors; i++) {
drmModeConnector *connector = 0;
connector = drmModeGetConnector(m_fd, resources->connectors[i]);
if (connector && connector->connection == DRM_MODE_CONNECTED) {
m_integration->addScreen(new QKmsScreen(this, resources, connector));
}
drmModeFreeConnector(connector);
}
drmModeFreeResources(resources);
}
void QKmsDevice::handlePageFlipCompleted()
{
drmEventContext eventContext;
memset(&eventContext, 0, sizeof eventContext);
eventContext.version = DRM_EVENT_CONTEXT_VERSION;
eventContext.page_flip_handler = QKmsDevice::pageFlipHandler;
drmHandleEvent(m_fd, &eventContext);
}
void QKmsDevice::pageFlipHandler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void *data)
{
Q_UNUSED(fd)
Q_UNUSED(frame)
Q_UNUSED(sec)
Q_UNUSED(usec)
QKmsScreen *screen = static_cast<QKmsScreen *>(data);
screen->handlePageFlipped();
}
QT_END_NAMESPACE
|
