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/****************************************************************************
**
** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DRENDER_RENDER_RENDERSTATECOLLECTION_H
#define QT3DRENDER_RENDER_RENDERSTATECOLLECTION_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt3DRender/private/renderstatenode_p.h>
#include <QtCore/qmutex.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
class QRenderState;
namespace Render {
class RenderStateManager;
class Q_AUTOTEST_EXPORT RenderStateCollection
{
public:
RenderStateCollection();
~RenderStateCollection();
QVector<RenderStateNode*> renderStates(RenderStateManager *manager) const;
bool hasRenderStates() const;
protected:
void appendRenderState(Qt3DCore::QNodeId renderStateId);
void removeRenderState(Qt3DCore::QNodeId renderStateId);
void setDirty(bool dirty);
private:
// Cached RenderStateNodes corresponding to the stored node IDs
//
// we need these to be mutable, because the RenderView accesses const
// instances of this class when we need to update the cached RenderStateNodes
mutable QVector<Qt3DCore::QNodeId> m_renderStateIds;
mutable QVector<RenderStateNode*> m_renderStateNodes;
mutable bool m_dirty;
mutable QMutex m_mutex;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_RENDERSTATECOLLECTION_H
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