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diff --git a/src/runtimerender/Qt3DSRenderClippingFrustum.cpp b/src/runtimerender/Qt3DSRenderClippingFrustum.cpp
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+++ b/src/runtimerender/Qt3DSRenderClippingFrustum.cpp
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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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "Qt3DSRenderClippingFrustum.h"
+
+using namespace qt3ds::render;
+
+SClippingFrustum::SClippingFrustum(const QT3DSMat44 &modelviewprojection, SClipPlane nearPlane)
+{
+    SClipPlane *_cullingPlanes = mPlanes;
+    const QT3DSMat44 &modelViewProjectionMat(modelviewprojection);
+    const QT3DSF32 *modelviewProjection = modelViewProjectionMat.front();
+
+// update planes (http://read.pudn.com/downloads128/doc/542641/Frustum.pdf)
+// Google for Gribb plane extraction if that link doesn't work.
+// http://www.google.com/search?q=ravensoft+plane+extraction
+#define M(_x, _y) modelviewProjection[(4 * (_y)) + (_x)]
+    // left plane
+    _cullingPlanes[0].normal.x = M(3, 0) + M(0, 0);
+    _cullingPlanes[0].normal.y = M(3, 1) + M(0, 1);
+    _cullingPlanes[0].normal.z = M(3, 2) + M(0, 2);
+    _cullingPlanes[0].d = M(3, 3) + M(0, 3);
+    _cullingPlanes[0].d /= _cullingPlanes[0].normal.normalize();
+
+    // right plane
+    _cullingPlanes[1].normal.x = M(3, 0) - M(0, 0);
+    _cullingPlanes[1].normal.y = M(3, 1) - M(0, 1);
+    _cullingPlanes[1].normal.z = M(3, 2) - M(0, 2);
+    _cullingPlanes[1].d = M(3, 3) - M(0, 3);
+    _cullingPlanes[1].d /= _cullingPlanes[1].normal.normalize();
+
+    // far plane
+    _cullingPlanes[2].normal.x = M(3, 0) - M(2, 0);
+    _cullingPlanes[2].normal.y = M(3, 1) - M(2, 1);
+    _cullingPlanes[2].normal.z = M(3, 2) - M(2, 2);
+    _cullingPlanes[2].d = M(3, 3) - M(2, 3);
+    _cullingPlanes[2].d /= _cullingPlanes[2].normal.normalize();
+
+    // bottom plane
+    _cullingPlanes[3].normal.x = M(3, 0) + M(1, 0);
+    _cullingPlanes[3].normal.y = M(3, 1) + M(1, 1);
+    _cullingPlanes[3].normal.z = M(3, 2) + M(1, 2);
+    _cullingPlanes[3].d = M(3, 3) + M(1, 3);
+    _cullingPlanes[3].d /= _cullingPlanes[3].normal.normalize();
+
+    // top plane
+    _cullingPlanes[4].normal.x = M(3, 0) - M(1, 0);
+    _cullingPlanes[4].normal.y = M(3, 1) - M(1, 1);
+    _cullingPlanes[4].normal.z = M(3, 2) - M(1, 2);
+    _cullingPlanes[4].d = M(3, 3) - M(1, 3);
+    _cullingPlanes[4].d /= _cullingPlanes[4].normal.normalize();
+#undef M
+    _cullingPlanes[5] = nearPlane;
+    // http://www.openscenegraph.org/projects/osg/browser/OpenSceneGraph/trunk/include/osg/Plane?rev=5328
+    // setup the edges of the plane that we will clip against an axis-aligned bounding box.
+    for (QT3DSU32 idx = 0; idx < 6; ++idx) {
+        _cullingPlanes[idx].calculateBBoxEdges();
+    }
+}