/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the QtOpenGL module of the Qt Toolkit.

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** 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 Technology Preview License Agreement accompanying

** this package.

**

** 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

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**

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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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** If you have questions regarding the use of this file, please contact

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** $QT_END_LICENSE$

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****************************************************************************/

#ifndef QSCREENEGL_P_H

#define QSCREENEGL_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of the QScreenEGL class.  This header file may change from

// version to version without notice, or even be removed.

//

// We mean it.

//

#include <QtGui/QScreen>

#include <QtOpenGL/qgl.h>

#if defined(QT_OPENGL_ES_2)

#include <EGL/egl.h>

#else

#include <GLES/egl.h>

#endif

#if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)

#undef EGLNativeWindowType

#undef EGLNativePixmapType

#undef EGLNativeDisplayType

typedef NativeWindowType EGLNativeWindowType;

typedef NativePixmapType EGLNativePixmapType;

typedef NativeDisplayType EGLNativeDisplayType;

#define QEGL_NATIVE_TYPES_DEFINED 1

#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(OpenGL)

class QGLScreenPrivate;

class Q_OPENGL_EXPORT QGLScreenSurfaceFunctions

{

public:

    virtual bool createNativeWindow(QWidget *widget, EGLNativeWindowType *native);

    virtual bool createNativePixmap(QPixmap *pixmap, EGLNativePixmapType *native);

    virtual bool createNativeImage(QImage *image, EGLNativePixmapType *native);

};

class Q_OPENGL_EXPORT QGLScreen : public QScreen

{

    Q_DECLARE_PRIVATE(QGLScreen)

public:

    QGLScreen(int displayId);

    virtual ~QGLScreen();

    enum Option

    {

        NoOptions       = 0,

        NativeWindows   = 1,

        NativePixmaps   = 2,

        NativeImages    = 4,

        Overlays        = 8

    };

    Q_DECLARE_FLAGS(Options, Option)

    QGLScreen::Options options() const;

    virtual bool chooseContext(QGLContext *context, const QGLContext *shareContext);

    virtual bool hasOpenGL() = 0;

    QGLScreenSurfaceFunctions *surfaceFunctions() const;

protected:

    void setOptions(QGLScreen::Options value);

    void setSurfaceFunctions(QGLScreenSurfaceFunctions *functions);

private:

    QGLScreenPrivate *d_ptr;

};

Q_DECLARE_OPERATORS_FOR_FLAGS(QGLScreen::Options)

QT_END_NAMESPACE

QT_END_HEADER

#endif // QSCREENEGL_P_H