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diff --git a/src/Runtime/Source/runtimerender/Qt3DSRendererUtil.h b/src/Runtime/Source/runtimerender/Qt3DSRendererUtil.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_RENDERER_UTIL_H
+#define QT3DS_RENDERER_UTIL_H
+#include "Qt3DSRender.h"
+#include "render/Qt3DSRenderBaseTypes.h"
+namespace qt3ds {
+namespace render {
+    class CRendererUtil
+    {
+        static const QT3DSU32 MAX_SSAA_DIM = 8192; // max render traget size for SSAA mode
+
+    public:
+        static void ResolveMutisampleFBOColorOnly(IResourceManager &inManager,
+                                                  CResourceTexture2D &ioResult,
+                                                  NVRenderContext &inRenderContext, QT3DSU32 inWidth,
+                                                  QT3DSU32 inHeight,
+                                                  NVRenderTextureFormats::Enum inColorFormat,
+                                                  NVRenderFrameBuffer &inSourceFBO);
+
+        static void ResolveSSAAFBOColorOnly(IResourceManager &inManager,
+                                            CResourceTexture2D &ioResult, QT3DSU32 outWidth,
+                                            QT3DSU32 outHeight, NVRenderContext &inRenderContext,
+                                            QT3DSU32 inWidth, QT3DSU32 inHeight,
+                                            NVRenderTextureFormats::Enum inColorFormat,
+                                            NVRenderFrameBuffer &inSourceFBO);
+
+        static void GetSSAARenderSize(QT3DSU32 inWidth, QT3DSU32 inHeight, QT3DSU32 &outWidth,
+                                      QT3DSU32 &outHeight);
+    };
+}
+}
+
+#endif
+\ No newline at end of file