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++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QGuiApplication>
++ #include <QQuickWindow>
++ #include <QCommandLineParser>
++ #include "window_singlethreaded.h"
++ #include "window_multithreaded.h"
++
++ int main(int argc, char **argv)
++ {
++ QGuiApplication app(argc, argv);
++
++ // only functional when Qt Quick is also using OpenGL
++ QQuickWindow::setGraphicsApi(QSGRendererInterface::OpenGL);
++
++ QCoreApplication::setApplicationName("Qt Render Control Example");
++ QCoreApplication::setOrganizationName("QtProject");
++ QCoreApplication::setApplicationVersion(QT_VERSION_STR);
++ QCommandLineParser parser;
++ parser.setApplicationDescription(QCoreApplication::applicationName());
++ parser.addHelpOption();
++ parser.addVersionOption();
++ QCommandLineOption threadedOption("threaded", "Threaded Rendering");
++ parser.addOption(threadedOption);
++
++ parser.process(app);
++
++ QScopedPointer<QWindow> window;
++ if (parser.isSet(threadedOption)) {
++ qWarning("Using separate Qt Quick render thread");
++ window.reset(new WindowMultiThreaded);
++ } else {
++ qWarning("Using single-threaded rendering");
++ window.reset(new WindowSingleThreaded);
++ }
++
++ window->resize(1024, 768);
++ window->show();
++
++ return app.exec();
++ }