source: trunk/src/opengl/qgl_qws.cpp@ 780

/****************************************************************************
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** Contact: Nokia Corporation ([email protected])
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** This file is part of the QtOpenGL module of the Qt Toolkit.
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#include "qgl.h"
#include "qgl_egl_p.h"
#include "qglpixelbuffer.h"

#include <qglscreen_qws.h>
#include <qscreenproxy_qws.h>
#include <private/qglwindowsurface_qws_p.h>

#include <private/qbackingstore_p.h>
#include <private/qfont_p.h>
#include <private/qfontengine_p.h>
#include <private/qgl_p.h>
#include <private/qpaintengine_opengl_p.h>
#include <qpixmap.h>
#include <qtimer.h>
#include <qapplication.h>
#include <qstack.h>
#include <qdesktopwidget.h>
#include <qdebug.h>
#include <qvarlengtharray.h>

QT_BEGIN_NAMESPACE

static QGLScreen *glScreenForDevice(QPaintDevice *device)
{
    QScreen *screen = qt_screen;
    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();
    }
    if (screen->classId() == QScreen::GLClass)
        return static_cast<QGLScreen *>(screen);
    else
        return 0;
}

/*
    QGLTemporaryContext implementation
*/

class QGLTemporaryContextPrivate
{
public:
    QGLWidget *widget;
};

QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *)
    : d(new QGLTemporaryContextPrivate)
{
    d->widget = new QGLWidget;
    d->widget->makeCurrent();