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

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

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

#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;

}

EGLDisplay QEglContext::getDisplay(QPaintDevice *device)

{

    Q_UNUSED(device);

    return eglGetDisplay(EGLNativeDisplayType(EGL_DEFAULT_DISPLAY));

}

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