1 files changed, 162 insertions, 0 deletions
diff --git a/src/quick3d/quick3dscene2d/items/scene2dsharedobject.cpp b/src/quick3d/quick3dscene2d/items/scene2dsharedobject.cpp
new file mode 100644
index 000000000..1dd798d94
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+++ b/src/quick3d/quick3dscene2d/items/scene2dsharedobject.cpp
@@ -0,0 +1,162 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt3D 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscene2d.h"
+#include "qscene2d_p.h"
+#include "scene2d_p.h"
+#include "scene2dmanager_p.h"
+#include "scene2devent_p.h"
+#include "scene2dsharedobject_p.h"
+
+#include <Qt3DCore/QPropertyUpdatedChange>
+
+QT_BEGIN_NAMESPACE
+
+using namespace Qt3DCore;
+
+namespace Qt3DRender {
+
+namespace Quick {
+
+
+/*!
+    \internal
+     Constructs object shared by the front-end and back-end to synchronize the rendering.
+ */
+Scene2DSharedObject::Scene2DSharedObject(Scene2DManager *manager)
+    : m_renderControl(nullptr)
+    , m_quickWindow(nullptr)
+    , m_renderManager(manager)
+    , m_surface(nullptr)
+    , m_renderObject(nullptr)
+    , m_disallowed(false)
+    , m_quit(false)
+    , m_requestSync(false)
+    , m_prepared(false)
+    , m_initialized(false)
+{
+}
+
+Scene2DSharedObject::~Scene2DSharedObject()
+{
+}
+
+void Scene2DSharedObject::cleanup()
+{
+    delete m_renderControl;
+    delete m_quickWindow;
+    delete m_surface;
+    m_renderControl = nullptr;
+    m_quickWindow = nullptr;
+    m_surface = nullptr;
+    m_initialized = false;
+}
+
+bool Scene2DSharedObject::canRender() const
+{
+    return m_initialized && m_prepared && !m_disallowed;
+}
+
+bool Scene2DSharedObject::isInitialized() const
+{
+    return m_initialized;
+}
+
+void Scene2DSharedObject::disallowRender()
+{
+    m_disallowed = true;
+}
+
+void Scene2DSharedObject::setInitialized()
+{
+    m_initialized = true;
+}
+
+bool Scene2DSharedObject::isPrepared() const
+{
+    return m_prepared;
+}
+
+void Scene2DSharedObject::setPrepared()
+{
+    m_prepared = true;
+}
+
+// not protected, call only from main thread
+bool Scene2DSharedObject::isQuit() const
+{
+    Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread());
+    return m_quit;
+}
+
+// not protected, call only from main thread
+void Scene2DSharedObject::requestQuit()
+{
+    Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread());
+    m_quit = true;
+    QCoreApplication::postEvent(m_renderObject, new Scene2DEvent(Scene2DEvent::Quit));
+}
+
+bool Scene2DSharedObject::isSyncRequested() const
+{
+    return m_requestSync;
+}
+
+void Scene2DSharedObject::requestRender(bool sync)
+{
+    m_requestSync = sync;
+    QCoreApplication::postEvent(m_renderObject, new Scene2DEvent(Scene2DEvent::Render));
+}
+
+void Scene2DSharedObject::wait()
+{
+    m_cond.wait(&m_mutex);
+}
+
+void Scene2DSharedObject::wake()
+{
+    m_cond.wakeOne();
+}
+
+void Scene2DSharedObject::clearSyncRequest()
+{
+    m_requestSync = false;
+}
+
+} // namespace Quick
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE