/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtOpenGL module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QSCREENEGL_P_H+
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#define QSCREENEGL_P_H+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists for the convenience+
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// of the QScreenEGL class.  This header file may change from+
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// version to version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include <QtGui/QScreen>+
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#include <QtOpenGL/qgl.h>+
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#if defined(QT_OPENGL_ES_2)+
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#include <EGL/egl.h>+
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#else+
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#include <GLES/egl.h>+
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#endif+
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#if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)+
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#undef EGLNativeWindowType+
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#undef EGLNativePixmapType+
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#undef EGLNativeDisplayType+
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typedef NativeWindowType EGLNativeWindowType;+
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typedef NativePixmapType EGLNativePixmapType;+
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typedef NativeDisplayType EGLNativeDisplayType;+
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#define QEGL_NATIVE_TYPES_DEFINED 1+
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#endif+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(OpenGL)+
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+
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class QGLScreenPrivate;+
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+
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class Q_OPENGL_EXPORT QGLScreenSurfaceFunctions+
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{+
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public:+
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    virtual bool createNativeWindow(QWidget *widget, EGLNativeWindowType *native);+
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    virtual bool createNativePixmap(QPixmap *pixmap, EGLNativePixmapType *native);+
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    virtual bool createNativeImage(QImage *image, EGLNativePixmapType *native);+
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};+
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+
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class Q_OPENGL_EXPORT QGLScreen : public QScreen+
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{+
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    Q_DECLARE_PRIVATE(QGLScreen)+
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public:+
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    QGLScreen(int displayId);+
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    virtual ~QGLScreen();+
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+
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    enum Option+
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    {+
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        NoOptions       = 0,+
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        NativeWindows   = 1,+
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        NativePixmaps   = 2,+
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        NativeImages    = 4,+
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        Overlays        = 8+
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    };+
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    Q_DECLARE_FLAGS(Options, Option)+
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+
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    QGLScreen::Options options() const;+
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+
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    virtual bool chooseContext(QGLContext *context, const QGLContext *shareContext);+
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    virtual bool hasOpenGL() = 0;+
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+
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    QGLScreenSurfaceFunctions *surfaceFunctions() const;+
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+
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protected:+
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    void setOptions(QGLScreen::Options value);+
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    void setSurfaceFunctions(QGLScreenSurfaceFunctions *functions);+
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+
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private:+
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    QGLScreenPrivate *d_ptr;+
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};+
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+
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Q_DECLARE_OPERATORS_FOR_FLAGS(QGLScreen::Options)+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QSCREENEGL_P_H+
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