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++ // Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #ifndef QT3DCORE_NULLSERVICES_P_H
++ #define QT3DCORE_NULLSERVICES_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of other Qt classes. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <Qt3DCore/qt3dcore_global.h>
++
++ #include <Qt3DCore/private/qopenglinformationservice_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DCore {
++
++ class NullOpenGLInformationService : public QOpenGLInformationService
++ {
++ public:
++ NullOpenGLInformationService()
++ : QOpenGLInformationService(QStringLiteral("Null OpenGL Information Service"))
++ {}
++ ~NullOpenGLInformationService() {}
++
++ QSurfaceFormat format() const final { return QSurfaceFormat(); }
++ };
++
++ } // namespace Qt3DCore
++
++ QT_END_NAMESPACE
++
++ #endif // QT3DCORE_NULLSERVICES_P_H
++