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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
****************************************************************************/

#ifndef QT3DRENDER_RENDER_TECHNIQUEFILTER_H
#define QT3DRENDER_RENDER_TECHNIQUEFILTER_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/framegraphnode_p.h>
#include <Qt3DRender/private/parameterpack_p.h>

#include <QList>
#include <QString>
#include <QVariant>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

class QFilterKey;
class QTechniqueFilter;

template <typename T>
class QHandle;

namespace Render {

class Q_3DRENDERSHARED_PRIVATE_EXPORT TechniqueFilter
        : public FrameGraphNode
{
public:
    TechniqueFilter();

    QVector<Qt3DCore::QNodeId> parameters() const;

    QVector<Qt3DCore::QNodeId> filters() const;
    void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;

private:
    void appendFilter(Qt3DCore::QNodeId criterionId);
    void removeFilter(Qt3DCore::QNodeId criterionId);

    QVector<Qt3DCore::QNodeId> m_filters;
    ParameterPack m_parameterPack;
};

} // namespace Render

} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_TECHNIQUEFILTER_H