#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QOpenGLContext>

void setSurfaceFormat()
{
    QSurfaceFormat format;
#ifdef QT_OPENGL_ES_2
    format.setRenderableType(QSurfaceFormat::OpenGLES);
#else
    if (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL) {
        format.setVersion(4, 3);
        format.setProfile(QSurfaceFormat::CoreProfile);
    }
#endif
    format.setDepthBufferSize(24);
    format.setSamples(4);
    format.setStencilBufferSize(8);
    QSurfaceFormat::setDefaultFormat(format);
}

int main(int argc, char **argv)
{
    QGuiApplication app(argc, argv);
    setSurfaceFormat();

    QQmlApplicationEngine engine(QUrl("qrc:/main.qml"));
    if (engine.rootObjects().isEmpty())
        return -1;
    return app.exec();
}