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diff --git a/src/opengl/gl2paintengineex/qglpexshadermanager_p.h b/src/opengl/gl2paintengineex/qglpexshadermanager_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt 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.
+//
+
+#include "qglshader_p.h"
+
+
+// Worstcase combo: Brush->Mask->Composition
+
+/*
+    Vertex shader source is specified with a single string. This string
+    contains the main function and sets the gl_Position. The choice of
+    which vertex shader to use depends on:
+        - Brush style
+        - Brush transform->isAffine()
+
+    Fragment shaders are specified as multiple strings, one for the main
+    function, one for the brush calculation and optionally one for the
+    extended composition mode. Brushes are implementations of
+        "mediump vec4 brush()" 
+    Composition modes are implemented as a
+        "mediump vec4 compose(mediump vec4 color)"
+    NOTE: Precision may change in future.
+
+    The choice of which main() fragment shader string to use depends on:
+        - Global opacity
+        - Brush style (some brushes apply opacity themselves)
+        - Use of mask (TODO: Need to support high quality anti-aliasing & text)
+        - Composition mode
+
+    The choice of which brush() fragment shader to use depends on:
+        - Brush style
+
+*/
+
+
+struct QGLCachedShaderProg
+{
+    QGLShader*          vertexShader;
+    QGLShader*          brushShader;
+    QGLShader*          compositionShader;
+    QGLShaderProgram*   shader;
+};
+
+class QGLPEXShaderManager
+{
+public:
+    QGLPEXShaderManager(const QGLContext* context);
+    ~QGLPEXShaderManager();
+
+    enum TransformType {IdentityTransform, ScaleTransform, TranslateTransform, FullTransform};
+
+    void optimiseForBrushTransform(const QTransform& transform);
+    void setBrushStyle(Qt::BrushStyle style);
+    void setUseGlobalOpacity(bool value);
+    void setAffineOnlyBrushTransform(bool value); // I.e. Do we need to apply perspective-correction?
+                                                  // Not doing so saves some vertex shader calculations.
+
+    bool useCorrectShaderProg(); // returns true if the shader program has changed
+
+    QGLShaderProgram* brushShader();
+    QGLShaderProgram* simpleShader(); // Used to draw into e.g. stencil buffers
+    QGLShaderProgram* imageShader();
+    QGLShaderProgram* textShader();
+
+private:
+    QGLShader* defaultVertexShader;
+
+    QGLShader* imageVertexShader;
+    QGLShader* imageFragmentShader;
+    QGLShaderProgram* imageShaderProgram;
+
+    QGLShader* textVertexShader;
+    QGLShader* textFragmentShader;
+    QGLShaderProgram* textShaderProgram;
+
+    QGLShader* noBrushShader;
+    QGLShader* solidBrushShader;
+
+    QGLShader* conicalBrushVertexShader;
+    QGLShader* conicalBrushFragmentShader;
+
+    QGLShader* radialBrushVertexShader;
+    QGLShader* radialBrushFragmentShader;
+
+    QGLShader* linearBrushVertexShader;
+    QGLShader* linearBrushFragmentShader;
+
+    QGLShader* patternBrushVertexShader;
+    QGLShader* patternBrushFragmentShader;
+
+    QGLShader* textureBrushFragmentShader;
+    QGLShader* textureBrushVertexShader;
+
+    QGLShader*          simpleFragmentShader;
+    QGLShaderProgram*   simpleShaderProgram;
+
+    QGLShaderProgram*   activeProgram;
+
+    Qt::BrushStyle      currentBrushStyle;
+    bool                useGlobalOpacity;
+    TransformType       currentTransformType;
+    bool                shaderProgNeedsChanging;
+
+    QList<QGLCachedShaderProg> cachedPrograms;
+
+    QGLContext*          ctx;
+};