qt-everywhere-src-5.14.1/qt3d/tests/manual/qtbug-76766/main.cpp

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#include <QGuiApplication>
#include <QQuickView>
#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();

    QQuickView view;

    view.resize(1920, 1080);
    view.setResizeMode(QQuickView::SizeRootObjectToView);
    view.setSource(QUrl("qrc:/main.qml"));
    view.show();

    return app.exec();
}