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diff --git a/src/Runtime/Source/hdr/MipmapBSDF.h b/src/Runtime/Source/hdr/MipmapBSDF.h
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+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MIPMAPBSDF_H
+#define MIPMAPBSDF_H
+#include "foundation/Qt3DSVec3.h"
+#include "foundation/Qt3DSSimpleTypes.h"
+#include "foundation/Qt3DSPerfTimer.h"
+#include "foundation/Qt3DSAtomic.h"
+#include "render/Qt3DSRenderBaseTypes.h"
+#include "render/backends/Qt3DSRenderBackend.h"
+#include "render/Qt3DSRenderTexture2D.h"
+#include "render/backends/gl/Qt3DSOpenGLUtil.h"
+
+#include "Qt3DSRenderLoadedTexture.h"
+
+#include "Qt3DSTypes.h"
+#ifdef _LINUXPLATFORM
+#define __declspec(dllexport)
+#define __cdecl
+
+#endif
+using namespace qt3ds::render;
+
+class BSDFMipMap : public NVRefCounted
+{
+public:
+    BSDFMipMap(NVRenderContext *inNVRenderContext, int inWidth, int inHeight,
+               NVRenderTexture2D &inTexture, NVRenderTextureFormats::Enum inDestFormat,
+               qt3ds::NVFoundationBase &inFnd);
+    virtual ~BSDFMipMap();
+
+    virtual void Build(void *inTextureData, int inTextureDataSize,
+                       NVRenderBackend::NVRenderBackendTextureObject inTextureHandle,
+                       NVRenderTextureFormats::Enum inFormat) = 0;
+    static BSDFMipMap *Create(NVRenderContext *inNVRenderContext, int inWidth, int inHeight,
+                              NVRenderTexture2D &inTexture,
+                              NVRenderTextureFormats::Enum inDestFormat,
+                              qt3ds::NVFoundationBase &inFnd);
+
+protected:
+    volatile QT3DSI32 mRefCount; ///< reference count
+    NVFoundationBase &m_Foundation; ///< Foundation class for allocations and other base things
+
+    NVRenderTexture2D &m_Texture2D;
+    NVRenderTextureFormats::Enum m_InternalFormat;
+    NVRenderTextureFormats::Enum m_DestinationFormat;
+    int m_Width;
+    int m_Height;
+    int m_MaxMipMapLevel;
+    int m_SizeOfFormat;
+    int m_SizeOfInternalFormat;
+    int m_InternalNoOfComponent;
+    int m_NoOfComponent;
+    NVRenderContext *m_NVRenderContext;
+};
+
+class BasicBSDFMipMap : public BSDFMipMap
+{
+public:
+    BasicBSDFMipMap(NVRenderContext *inNVRenderContext, int inWidth, int inHeight,
+                    NVRenderTexture2D &inTexture, NVRenderTextureFormats::Enum inDestFormat,
+                    qt3ds::NVFoundationBase &inFnd);
+
+    void Build(void *inTextureData, int inTextureDataSize,
+               NVRenderBackend::NVRenderBackendTextureObject inTextureHandle,
+               NVRenderTextureFormats::Enum inFormat);
+
+    STextureData CreateBsdfMipLevel(STextureData &inCurMipLevel, STextureData &inPrevMipLevel,
+                                    int width, int height); //, IPerfTimer& inPerfTimer );
+    QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation);
+
+    int wrapMod(int a, int base);
+    void getWrappedCoords(int &sX, int &sY, int width, int height);
+    NVRenderBackend::NVRenderBackendTextureObject m_TextureHandle;
+};
+
+#endif