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diff --git a/src/qmlstreamer/q3dsqmlstreamrenderer.h b/src/qmlstreamer/q3dsqmlstreamrenderer.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) 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.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-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef Q3DS_QMLSTREAM_RENDERER_H
+#define Q3DS_QMLSTREAM_RENDERER_H
+
+#include "q3dsqmlstreamservice.h"
+
+#include <QOpenGLFunctions>
+#include <QSize>
+#include <QThread>
+#include <QWaitCondition>
+#include <QMutex>
+
+QT_BEGIN_NAMESPACE
+class QQuickRenderControl;
+class QQuickWindow;
+class QQuickItem;
+class QOpenGLContext;
+class QOffscreenSurface;
+class QOpenGLFramebufferObject;
+class QOpenGLShaderProgram;
+class QOpenGLBuffer;
+class QOpenGLVertexArrayObject;
+QT_END_NAMESPACE
+
+class Q3DSQmlStreamRenderer;
+
+class Q3DSQmlStreamEventHandler : public QObject
+{
+    Q_OBJECT
+public:
+    Q3DSQmlStreamEventHandler(Q3DSQmlStreamRenderer *renderer);
+    bool event(QEvent *e) Q_DECL_OVERRIDE;
+
+private:
+    Q3DSQmlStreamRenderer *m_renderer;
+};
+
+class Q3DSQmlStreamRenderer : public QObject,
+                               public IQ3DSQmlStreamRenderer
+{
+    Q_OBJECT
+public:
+    Q3DSQmlStreamRenderer();
+    virtual ~Q3DSQmlStreamRenderer();
+
+    bool initialize(QOpenGLContext *context, QSurface *surface) override;
+
+    QSize getDesiredSize() override;
+    E_TEXTURE_FORMAT getDesiredFormat() override;
+    bool isUpdateRequested() override;
+
+    void render() override;
+
+    void uninitialize() override;
+
+    void setItem(QQuickItem *item);
+
+    bool event(QEvent *event) Q_DECL_OVERRIDE;
+
+private:
+
+    void updateSizes();
+    void requestUpdate();
+    void cleanup();
+    void initializeRender();
+    void renderTexture();
+    void initializeFboCopy();
+
+    QSize m_size;
+    QMutex m_mutex, m_renderMutex;
+    QWaitCondition m_waitCondition;
+
+    QQuickRenderControl *m_renderControl;
+    QQuickWindow *m_quickWindow;
+    QQuickItem *m_rootItem;
+
+    QOpenGLFramebufferObject *m_frameBuffer;
+    QOpenGLShaderProgram *m_program;
+    QOpenGLVertexArrayObject *m_vao;
+    QOpenGLBuffer *m_vertices;
+    QOpenGLContext *m_context;
+    QOffscreenSurface *m_offscreenSurface;
+
+    Q3DSQmlStreamEventHandler *m_renderObject;
+    QThread *m_renderThread;
+
+    bool m_requestUpdate;
+    bool m_initialized;
+    bool m_prepared;
+    bool m_update;
+    bool m_delayedUpdateRequest;
+
+    friend class Q3DSQmlStreamEventHandler;
+};
+
+#endif // Q3DS_QMLSTREAM_RENDERER_H