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diff --git a/src/runtimerender/graphobjects/Qt3DSRenderMaterialDirty.h b/src/runtimerender/graphobjects/Qt3DSRenderMaterialDirty.h
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+/****************************************************************************
+**
+** Copyright (C) 2008-2012 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#pragma once
+#ifndef QT3DS_RENDER_MATERIAL_DIRTY_H
+#define QT3DS_RENDER_MATERIAL_DIRTY_H
+
+namespace qt3ds {
+namespace render {
+    class CMaterialDirty
+    {
+    private:
+        bool m_Dirty;
+        bool m_DirtyFlagWithInFrame;
+
+    public:
+        CMaterialDirty()
+            : m_Dirty(true)
+            , m_DirtyFlagWithInFrame(m_Dirty)
+        {
+        }
+
+        void SetDirty() { m_Dirty = m_DirtyFlagWithInFrame = true; }
+        bool IsDirty() const { return m_Dirty || m_DirtyFlagWithInFrame; }
+        void ClearDirty() { m_DirtyFlagWithInFrame = m_Dirty = false; }
+        void UpdateDirtyForFrame()
+        {
+            m_DirtyFlagWithInFrame = m_Dirty;
+            m_Dirty = false;
+        }
+    };
+}
+}
+
+#endif // QT3DS_RENDER_MATERIAL_DIRTY_H