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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/qpaintdevice.h>
+#include <QtGui/qpixmap.h>
+#include <QtGui/qwidget.h>
+#include "qegl_p.h"
+
+#include <coecntrl.h>
+
+QT_BEGIN_NAMESPACE
+
+bool QEglContext::createSurface(QPaintDevice *device, const QEglProperties *properties)
+{
+ // Create the native drawable for the paint device.
+ int devType = device->devType();
+ EGLNativePixmapType pixmapDrawable = 0;
+ EGLNativeWindowType windowDrawable = 0;
+ bool ok;
+ if (devType == QInternal::Pixmap) {
+ pixmapDrawable = 0;
+ ok = (pixmapDrawable != 0);
+ } else if (devType == QInternal::Widget) {
+ QWidget *w = static_cast<QWidget *>(device);
+ windowDrawable = (EGLNativeWindowType)(w->winId()->DrawableWindow());
+ ok = (windowDrawable != 0);
+ } else {
+ ok = false;
+ }
+ if (!ok) {
+ qWarning("QEglContext::createSurface(): Cannot create the native EGL drawable");
+ return false;
+ }
+
+ // Create the EGL surface to draw into, based on the native drawable.
+ const int *props;
+ if (properties)
+ props = properties->properties();
+ else
+ props = 0;
+ if (devType == QInternal::Widget)
+ surf = eglCreateWindowSurface(dpy, cfg, windowDrawable, 0);
+ else
+ surf = eglCreatePixmapSurface(dpy, cfg, pixmapDrawable, 0);
+ if (surf == EGL_NO_SURFACE) {
+ qWarning("QEglContext::createSurface(): Unable to create EGL surface, error = 0x%x", eglGetError());
+ return false;
+ }
+ return true;
+}
+
+EGLDisplay QEglContext::getDisplay(QPaintDevice *device)
+{
+ EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+ if (dpy == EGL_NO_DISPLAY)
+ qWarning("QEglContext::defaultDisplay(): Falling back to EGL_DEFAULT_DISPLAY");
+ return dpy;
+}
+
+// Set pixel format and other properties based on a paint device.
+void QEglProperties::setPaintDeviceFormat(QPaintDevice *dev)
+{
+ int devType = dev->devType();
+ if (devType == QInternal::Image)
+ setPixelFormat(static_cast<QImage *>(dev)->format());
+ else
+ setPixelFormat(QImage::Format_RGB32);
+}
+
+
+QT_END_NAMESPACE