Add SubtreeEnabler frame graph node

SubtreeEnabler allows easy enabling and disabling of
frame graph subtrees.

[ChangeLog] Added SubtreeEnabler to allow easing enabling
and disabling of frame graph subtrees.

Change-Id: Ibd4dd305c41b2985225311a0cc49675e60a3727f
Reviewed-by: Mike Krus <mike.krus@kdab.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/render/framegraph/qsubtreeenabler.h b/src/render/framegraph/qsubtreeenabler.h
new file mode 100644
index 000000000..bb62dd170
--- /dev/null
+++ b/src/render/framegraph/qsubtreeenabler.h
@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 Ford Motor Company
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3DRENDER_QSUBTREEENABLER_H
+#define QT3DRENDER_QSUBTREEENABLER_H
+
+#include <Qt3DRender/QFrameGraphNode>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender
+{
+
+class Q_3DRENDERSHARED_EXPORT QSubtreeEnabler : public QFrameGraphNode
+{
+    Q_OBJECT
+public:
+    explicit QSubtreeEnabler(Qt3DCore::QNode *parent = nullptr);
+    ~QSubtreeEnabler();
+
+private:
+    void *m_reserved;
+};
+
+} //Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_QSUBTREEENABLER_H