1/****************************************************************************
2**
3** Copyright (C) 2017 Juan José Casafranca.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt3D module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include <QQuickItem>
52#include <QQuickView>
53#include <Qt3DQuick/QQmlAspectEngine>
54#include <QGuiApplication>
55#include <QQmlEngine>
56#include <QQmlContext>
57
58#include <Qt3DRender>
59#include <iostream>
60
61
62int main(int argc, char* argv[])
63{
64 QGuiApplication app(argc, argv);
65 QQuickView view;
66
67 view.setSource(QUrl("qrc:/main.qml"));
68
69 QObject *rootObject = view.rootObject();
70 Qt3DRender::QBuffer *buffer = rootObject->findChild<Qt3DRender::QBuffer*>(aName: "buffer");
71
72 QObject::connect(sender: buffer, signal: &Qt3DRender::QBuffer::dataChanged,
73 slot: [=](const QByteArray &bytes) {
74 //I know I'm receiving int data
75 const uint *data = reinterpret_cast<const uint*>(bytes.data());
76 qDebug() << "Data received";
77 for (uint i = 0; i < 1024; ++i)
78 qDebug() << data[i];
79 }
80 );
81
82 view.show();
83
84 return app.exec();
85}
86

source code of qt3d/tests/manual/buffercapture-qml/main.cpp