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diff --git a/examples/wayland/server-buffer/compositor/sharebufferextension.cpp b/examples/wayland/server-buffer/compositor/sharebufferextension.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Wayland module
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "sharebufferextension.h"
+
+#include <QWaylandSurface>
+
+#include <QDebug>
+
+#include <QQuickWindow>
+
+#include <QPainter>
+#include <QPen>
+
+ShareBufferExtension::ShareBufferExtension(QWaylandCompositor *compositor)
+    : QWaylandCompositorExtensionTemplate(compositor)
+    , m_server_buffer_integration(nullptr)
+    , m_server_buffers_created(false)
+{
+}
+
+void ShareBufferExtension::initialize()
+{
+    QWaylandCompositorExtensionTemplate::initialize();
+    QWaylandCompositor *compositor = static_cast<QWaylandCompositor *>(extensionContainer());
+    init(compositor->display(), 1);
+}
+
+QtWayland::ServerBuffer *ShareBufferExtension::addImage(const QImage &img)
+{
+    if (!m_server_buffer_integration) {
+        QWaylandCompositor *compositor = static_cast<QWaylandCompositor *>(extensionContainer());
+
+        m_server_buffer_integration = QWaylandCompositorPrivate::get(compositor)->serverBufferIntegration();
+        if (!m_server_buffer_integration) {
+            qWarning("Could not find a server buffer integration");
+            return nullptr;
+        }
+    }
+
+    QImage image = img.convertToFormat(QImage::Format_RGBA8888);
+
+    auto *buffer = m_server_buffer_integration->createServerBufferFromImage(image, QtWayland::ServerBuffer::RGBA32);
+
+    m_server_buffers.append(buffer);
+    return buffer;
+}
+
+void ShareBufferExtension::createServerBuffers()
+{
+    QImage image(100,100,QImage::Format_ARGB32_Premultiplied);
+    image.fill(QColor(0x55,0x0,0x55,0x01));
+    {
+        QPainter p(&image);
+        QPen pen = p.pen();
+        pen.setWidthF(3);
+        pen.setColor(Qt::red);
+        p.setPen(pen);
+        p.drawLine(0,0,100,100);
+        pen.setColor(Qt::green);
+        p.setPen(pen);
+        p.drawLine(100,0,0,100);
+        pen.setColor(Qt::blue);
+        p.setPen(pen);
+        p.drawLine(25,15,75,15);
+    }
+
+    addImage(image);
+
+    QImage image2(":/images/Siberischer_tiger_de_edit02.jpg");
+    addImage(image2);
+
+    m_server_buffers_created = true;
+}
+
+
+void ShareBufferExtension::share_buffer_bind_resource(Resource *resource)
+{
+    if (!m_server_buffers_created)
+        createServerBuffers();
+
+    for (auto *buffer : qAsConst(m_server_buffers)) {
+        qDebug() << "sending" << buffer << "to client";
+        struct ::wl_client *client = resource->handle->client;
+        struct ::wl_resource *buffer_resource = buffer->resourceForClient(client);
+        send_cross_buffer(resource->handle, buffer_resource);
+    }
+}