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diff --git a/src/compositor/wayland_wrapper/qwlclientbuffer_p.h b/src/compositor/wayland_wrapper/qwlclientbuffer_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWLCLIENTBUFFER_P_H
+#define QWLCLIENTBUFFER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QRect>
+#include <QtGui/qopengl.h>
+#include <QImage>
+#include <QAtomicInt>
+
+#include <QtWaylandCompositor/QWaylandSurface>
+#include <QtWaylandCompositor/QWaylandBufferRef>
+
+#include <wayland-server.h>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandClientBufferIntegration;
+class QWaylandBufferRef;
+class QWaylandCompositor;
+class QOpenGLTexture;
+
+namespace QtWayland {
+
+struct surface_buffer_destroy_listener
+{
+    struct wl_listener listener;
+    class ClientBuffer *surfaceBuffer;
+};
+
+class Q_WAYLAND_COMPOSITOR_EXPORT ClientBuffer
+{
+public:
+    ClientBuffer(struct ::wl_resource *bufferResource);
+
+    virtual ~ClientBuffer();
+
+    virtual QWaylandBufferRef::BufferFormatEgl bufferFormatEgl() const;
+    virtual QSize size() const = 0;
+    virtual QWaylandSurface::Origin origin() const = 0;
+
+    virtual void *lockNativeBuffer() { return nullptr; }
+    virtual void unlockNativeBuffer(void *native_buffer) const { Q_UNUSED(native_buffer); }
+
+    virtual QImage image() const { return QImage(); }
+
+    inline bool isCommitted() const { return m_committed; }
+    virtual void setCommitted(QRegion &damage);
+    bool isDestroyed() { return m_destroyed; }
+
+    inline struct ::wl_resource *waylandBufferHandle() const { return m_buffer; }
+
+    bool isSharedMemory() const { return wl_shm_buffer_get(m_buffer); }
+
+#ifdef QT_WAYLAND_COMPOSITOR_GL
+    virtual QOpenGLTexture *toOpenGlTexture(int plane = 0) = 0;
+#endif
+
+    static bool hasContent(ClientBuffer *buffer) { return buffer && buffer->waylandBufferHandle(); }
+
+protected:
+    void ref();
+    void deref();
+    void sendRelease();
+    void setDestroyed();
+
+    struct ::wl_resource *m_buffer;
+    QRegion m_damage;
+    bool m_textureDirty;
+
+private:
+    bool m_committed;
+    bool m_destroyed;
+
+    QAtomicInt m_refCount;
+
+    friend class ::QWaylandBufferRef;
+    friend class BufferManager;
+};
+
+class Q_WAYLAND_COMPOSITOR_EXPORT SharedMemoryBuffer : public ClientBuffer
+{
+public:
+    SharedMemoryBuffer(struct ::wl_resource *bufferResource);
+
+    QSize size() const Q_DECL_OVERRIDE;
+    QWaylandSurface::Origin origin() const  Q_DECL_OVERRIDE;
+    QImage image() const;
+
+#ifdef QT_WAYLAND_COMPOSITOR_GL
+    QOpenGLTexture *toOpenGlTexture(int plane = 0) Q_DECL_OVERRIDE;
+
+private:
+    QOpenGLTexture *m_shmTexture;
+#endif
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif // QWLCLIENTBUFFER_P_H