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

**

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

** All rights reserved.

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

**

** This file is part of the QtGui 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 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

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

**

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

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#include <QtGui/qpaintdevice.h>

#include <QtGui/qpixmap.h>

#include <QtGui/qwidget.h>

#include "qegl_p.h"

#if !defined(QT_NO_EGL)

#include <qscreen_qws.h>

#include <qscreenproxy_qws.h>

#include <qapplication.h>

#include <qdesktopwidget.h>

QT_BEGIN_NAMESPACE

// Create the surface for a QPixmap, QImage, or QWidget.

// We don't have QGLScreen to create EGL surfaces for us,

// so surface creation needs to be done in QtOpenGL or

// QtOpenVG for Qt/Embedded.

EGLSurface QEglContext::createSurface(QPaintDevice *device, const QEglProperties *properties)

{

    Q_UNUSED(device);

    Q_UNUSED(properties);

    return EGL_NO_SURFACE;

}

static QScreen *screenForDevice(QPaintDevice *device)

{

    QScreen *screen = qt_screen;

    if (!screen)

        return 0;

    if (screen->classId() == QScreen::MultiClass) {

        int screenNumber;

        if (device && device->devType() == QInternal::Widget)

            screenNumber = qApp->desktop()->screenNumber(static_cast<QWidget *>(device));

        else

            screenNumber = 0;

        screen = screen->subScreens()[screenNumber];

    }

    while (screen->classId() == QScreen::ProxyClass ||

           screen->classId() == QScreen::TransformedClass) {

        screen = static_cast<QProxyScreen *>(screen)->screen();

    }

    return screen;

}

// Set pixel format and other properties based on a paint device.

void QEglProperties::setPaintDeviceFormat(QPaintDevice *dev)

{

    if (!dev)

        return;

    // Find the QGLScreen for this paint device.

    QScreen *screen = screenForDevice(dev);

    if (!screen)

        return;

    int devType = dev->devType();

    if (devType == QInternal::Image)

        setPixelFormat(static_cast<QImage *>(dev)->format());

    else

        setPixelFormat(screen->pixelFormat());

}

QT_END_NAMESPACE

#endif // !QT_NO_EGL