1 files changed, 100 insertions, 0 deletions
diff --git a/src/plugins/platforms/minimalegl/qminimaleglbackingstore.cpp b/src/plugins/platforms/minimalegl/qminimaleglbackingstore.cpp
new file mode 100644
index 0000000000..7d96381095
--- /dev/null
+++ b/src/plugins/platforms/minimalegl/qminimaleglbackingstore.cpp
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qminimaleglbackingstore.h"
+
+#include <QtGui/QOpenGLContext>
+#include <QtGui/QOpenGLPaintDevice>
+
+QT_BEGIN_NAMESPACE
+
+QMinimalEglBackingStore::QMinimalEglBackingStore(QWindow *window)
+    : QPlatformBackingStore(window)
+    , m_context(new QOpenGLContext)
+{
+    m_context->setFormat(window->requestedFormat());
+    m_context->setScreen(window->screen());
+    m_context->create();
+}
+
+QMinimalEglBackingStore::~QMinimalEglBackingStore()
+{
+    delete m_context;
+}
+
+QPaintDevice *QMinimalEglBackingStore::paintDevice()
+{
+    return m_device;
+}
+
+void QMinimalEglBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)
+{
+    Q_UNUSED(region);
+    Q_UNUSED(offset);
+
+#ifdef QEGL_EXTRA_DEBUG
+    qWarning("QEglBackingStore::flush %p", window);
+#endif
+
+    m_context->swapBuffers(window);
+}
+
+void QMinimalEglBackingStore::beginPaint(const QRegion &)
+{
+    // needed to prevent QOpenGLContext::makeCurrent() from failing
+    window()->setSurfaceType(QSurface::OpenGLSurface);
+
+    m_context->makeCurrent(window());
+    m_device = new QOpenGLPaintDevice(window()->size());
+}
+
+void QMinimalEglBackingStore::endPaint()
+{
+    delete m_device;
+}
+
+void QMinimalEglBackingStore::resize(const QSize &size, const QRegion &staticContents)
+{
+    Q_UNUSED(size);
+    Q_UNUSED(staticContents);
+}
+
+QT_END_NAMESPACE