summaryrefslogtreecommitdiffstats
path: root/src/plugins/platforms/qnx/qqnxglcontext.cpp
blob: 1d030ba1aa80056d5b14a3cb6a42937f64a9766e (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
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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/***************************************************************************
**
** Copyright (C) 2011 - 2013 BlackBerry Limited. All rights reserved.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qqnxglcontext.h"
#include "qqnxintegration.h"
#include "qqnxscreen.h"
#include "qqnxeglwindow.h"

#include "private/qeglconvenience_p.h"

#include <QtCore/QDebug>
#include <QtGui/QOpenGLContext>
#include <QtGui/QScreen>

#include <dlfcn.h>

#if defined(QQNXGLCONTEXT_DEBUG)
#define qGLContextDebug qDebug
#else
#define qGLContextDebug QT_NO_QDEBUG_MACRO
#endif

QT_BEGIN_NAMESPACE

EGLDisplay QQnxGLContext::ms_eglDisplay = EGL_NO_DISPLAY;

static QEGLPlatformContext::Flags makeFlags()
{
    QEGLPlatformContext::Flags result = 0;

    if (!QQnxIntegration::instance()->options().testFlag(QQnxIntegration::SurfacelessEGLContext))
        result |= QEGLPlatformContext::NoSurfaceless;

    return result;
}

QQnxGLContext::QQnxGLContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share)
    : QEGLPlatformContext(format, share, ms_eglDisplay, 0, QVariant(), makeFlags())
{
}

QQnxGLContext::~QQnxGLContext()
{
}

void QQnxGLContext::initializeContext()
{
    qGLContextDebug();

    // Initialize connection to EGL
    ms_eglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
    if (Q_UNLIKELY(ms_eglDisplay == EGL_NO_DISPLAY))
        qFatal("QQnxGLContext: failed to obtain EGL display: %x", eglGetError());

    EGLBoolean eglResult = eglInitialize(ms_eglDisplay, 0, 0);
    if (Q_UNLIKELY(eglResult != EGL_TRUE))
        qFatal("QQnxGLContext: failed to initialize EGL display, err=%d", eglGetError());
}

void QQnxGLContext::shutdownContext()
{
    qGLContextDebug();

    // Close connection to EGL
    eglTerminate(ms_eglDisplay);
}

EGLSurface QQnxGLContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)
{
    QQnxEglWindow *window = static_cast<QQnxEglWindow *>(surface);
    window->ensureInitialized(this);
    return window->surface();
}

bool QQnxGLContext::makeCurrent(QPlatformSurface *surface)
{
    qGLContextDebug();
    return QEGLPlatformContext::makeCurrent(surface);
}

void QQnxGLContext::swapBuffers(QPlatformSurface *surface)
{
    qGLContextDebug();

    QEGLPlatformContext::swapBuffers(surface);

    QQnxEglWindow *platformWindow = static_cast<QQnxEglWindow*>(surface);
    platformWindow->windowPosted();
}

void QQnxGLContext::doneCurrent()
{
    QEGLPlatformContext::doneCurrent();
}

QT_END_NAMESPACE