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
|
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QGuiApplication>
#include <QPlatformIntegration>
#include <private/qguiapplication_p.h>
#include <QScreen>
#include <QThread>
#include "hellowindow.h"
int main(int argc, char **argv)
{
QGuiApplication app(argc, argv);
const bool multipleWindows =
QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::ThreadedOpenGL)
&& !QGuiApplication::arguments().contains(QLatin1String("--single"));
QScreen *screen = QGuiApplication::primaryScreen();
QRect screenGeometry = screen->availableGeometry();
QSurfaceFormat format;
format.setDepthBufferSize(16);
format.setSamples(4);
QPoint center = QPoint(screenGeometry.center().x(), screenGeometry.top() + 80);
QSize windowSize(400, 320);
int delta = 40;
Renderer *rendererA = new Renderer(format);
HelloWindow *windowA = new HelloWindow(rendererA);
windowA->setGeometry(QRect(center, windowSize).translated(-windowSize.width() - delta / 2, 0));
windowA->setWindowTitle(QLatin1String("Thread A - Context A"));
windowA->setVisible(true);
QThread *renderThread = 0;
if (multipleWindows) {
Renderer *rendererB = new Renderer(format, rendererA);
renderThread = new QThread;
rendererB->moveToThread(renderThread);
renderThread->start();
QObject::connect(qGuiApp, SIGNAL(lastWindowClosed()), renderThread, SLOT(quit()));
HelloWindow *windowB = new HelloWindow(rendererA);
windowB->setGeometry(QRect(center, windowSize).translated(delta / 2, 0));
windowB->setWindowTitle(QLatin1String("Thread A - Context A"));
windowB->setVisible(true);
HelloWindow *windowC = new HelloWindow(rendererB);
windowC->setGeometry(QRect(center, windowSize).translated(-windowSize.width() / 2, windowSize.height() + delta));
windowC->setWindowTitle(QLatin1String("Thread B - Context B"));
windowC->setVisible(true);
}
app.exec();
if (multipleWindows)
renderThread->wait();
}
|
