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diff --git a/src/datavisualization/utils/texturehelper_p.h b/src/datavisualization/utils/texturehelper_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVisualization module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the QtDataVisualization API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef TEXTUREHELPER_P_H
+#define TEXTUREHELPER_P_H
+
+#include "datavisualizationglobal_p.h"
+#include <QOpenGLFunctions>
+#include <QRgb>
+
+QT_DATAVISUALIZATION_BEGIN_NAMESPACE
+
+class TextureHelper : protected QOpenGLFunctions
+{
+    public:
+    TextureHelper();
+    ~TextureHelper();
+
+    // Ownership of created texture is transferred to caller
+    GLuint create2DTexture(const QImage &image, bool useTrilinearFiltering = false,
+                           bool convert = true);
+    GLuint create2DTexture(const uchar *image, int width, int height);
+    GLuint createCubeMapTexture(const QImage &image, bool useTrilinearFiltering = false);
+    // Returns selection framebuffer and inserts generated texture id to texture parameters
+    GLuint createSelectionBuffer(const QSize &size, GLuint &texture, GLuint &depthTexture);
+    // Returns selection texture and inserts generated framebuffers to framebuffer parameters
+    GLuint createSelectionTexture(const QSize &size, GLuint &frameBuffer, GLuint &depthBuffer);
+#if !defined(QT_OPENGL_ES_2)
+    // Returns depth texture and inserts generated framebuffer to parameter
+    GLuint createDepthTexture(const QSize &size, GLuint &frameBuffer, GLuint textureSize = 1);
+#endif
+    void deleteTexture(const GLuint *texture);
+
+    private:
+    QImage convertToGLFormat(const QImage &srcImage);
+    void convertToGLFormatHelper(QImage &dstImage, const QImage &srcImage, GLenum texture_format);
+    QRgb qt_gl_convertToGLFormatHelper(QRgb src_pixel, GLenum texture_format);
+
+    friend class Bars3DRenderer;
+    friend class Surface3DRenderer;
+    friend class Scatter3DRenderer;
+};
+
+QT_DATAVISUALIZATION_END_NAMESPACE
+
+#endif