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diff --git a/src/render/framegraph/qmemorybarrier.cpp b/src/render/framegraph/qmemorybarrier.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+** 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.LGPL3 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-3.0.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 (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmemorybarrier.h"
+#include "qmemorybarrier_p.h"
+#include <Qt3DRender/qframegraphnodecreatedchange.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+/*!
+    \class Qt3DRender::QMemoryBarrier
+    \inmodule Qt3DRender
+    \since 5.9
+    \ingroup framegraph
+    \brief Class to emplace a memory barrier
+
+    A Qt3DRender::QMemoryBarrier FrameGraph node is used to emplace a specific
+    memory barrier at a specific time of the rendering. This is required to
+    properly synchronize drawing and compute commands on the GPU.
+
+    The barrier defines the ordering of memory operations issued by a prior
+    command. This means that if command1 is manipulating a buffer that is to be
+    used as a vertex attribute buffer in a following command2, then the memory
+    barrier should be placed after command1 and setting the appropriate barrier
+    type for vertex attribute buffer.
+
+    For OpenGL rendering, this page gives more info about the
+    \l {https://www.opengl.org/wiki/Memory_Model}{Memory Model}
+ */
+
+/*!
+    \qmltype MemoryBarrier
+    \inqmlmodule Qt3D.Render
+    \instantiates Qt3DRender::QMemoryBarrier
+    \inherits FrameGraphNode
+    \since 5.9
+    \brief Class to place a memory barrier
+
+    A MemoryBarrier FrameGraph node is used to emplace a specific
+    memory barrier at a specific time of the rendering. This is required to
+    properly synchronize drawing and compute commands on the GPU.
+
+    The barrier defines the ordering of memory operations issued by a prior
+    command. This means that if command1 is manipulating a buffer that is to be
+    used as a vertex attribute buffer in a following command2, then the memory
+    barrier should be placed after command1 and setting the appropriate barrier
+    type for vertex attribute buffer.
+
+    For OpenGL rendering, this page gives more info about the
+    \l {https://www.opengl.org/wiki/Memory_Model}{Memory Model}
+*/
+
+/*!
+    \enum QMemoryBarrier::BarrierType
+
+    This enum type describes types of buffer to be cleared.
+    \value None
+    \value ElementArrayBarrier
+    \value UniformBarrier
+    \value TextureFetchBarrier
+    \value ShaderImageAccessBarrier
+    \value CommandBarrier
+    \value PixelBufferBarrier
+    \value TextureUpdateBarrier
+    \value BufferUpdateBarrier
+    \value FrameBufferBarrier
+    \value TransformFeedbackBarrier
+    \value AtomicCounterBarrier
+    \value ShaderStorageBarrier
+    \value QueryBufferBarrier
+    \value AllBarrier
+*/
+
+
+QMemoryBarrierPrivate::QMemoryBarrierPrivate()
+    : QFrameGraphNodePrivate()
+    , m_barrierTypes(QMemoryBarrier::None)
+{
+}
+
+QMemoryBarrier::QMemoryBarrier(Qt3DCore::QNode *parent)
+    : QFrameGraphNode(*new QMemoryBarrierPrivate(), parent)
+{
+}
+
+QMemoryBarrier::~QMemoryBarrier()
+{
+}
+
+void QMemoryBarrier::setBarrierTypes(QMemoryBarrier::BarrierTypes barrierTypes)
+{
+    Q_D(QMemoryBarrier);
+    if (barrierTypes != d->m_barrierTypes) {
+        d->m_barrierTypes = barrierTypes;
+        emit barrierTypesChanged(barrierTypes);
+    }
+}
+
+QMemoryBarrier::BarrierTypes QMemoryBarrier::barrierTypes() const
+{
+    Q_D(const QMemoryBarrier);
+    return d->m_barrierTypes;
+}
+
+QMemoryBarrier::QMemoryBarrier(QMemoryBarrierPrivate &dd, Qt3DCore::QNode *parent)
+    : QFrameGraphNode(dd, parent)
+{
+}
+
+Qt3DCore::QNodeCreatedChangeBasePtr QMemoryBarrier::createNodeCreationChange() const
+{
+    auto creationChange = QFrameGraphNodeCreatedChangePtr<QMemoryBarrierData>::create(this);
+    QMemoryBarrierData &data = creationChange->data;
+    Q_D(const QMemoryBarrier);
+    data.barrierTypes = d->m_barrierTypes;
+    return creationChange;
+}
+
+
+} // Qt3DRender
+
+QT_END_NAMESPACE