/*
  buffermodel.h

  This file is part of GammaRay, the Qt application inspection and
  manipulation tool.

  Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Author: Volker Krause <volker.krause@kdab.com>

  Licensees holding valid commercial KDAB GammaRay licenses may use this file in
  accordance with GammaRay Commercial License Agreement provided with the Software.

  Contact info@kdab.com if any conditions of this licensing are not clear to you.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef GAMMARAY_BUFFERMODEL_H
#define GAMMARAY_BUFFERMODEL_H

#include "qt3dgeometryextensioninterface.h"

#include <QAbstractTableModel>

namespace GammaRay {
class BufferModel : public QAbstractTableModel
{
    Q_OBJECT
public:
    explicit BufferModel(QObject *parent = nullptr);
    ~BufferModel();

    void setGeometryData(const Qt3DGeometryData &data);
    void setBufferIndex(int index);

    int columnCount(const QModelIndex &parent) const override;
    int rowCount(const QModelIndex &parent) const override;
    QVariant data(const QModelIndex &index, int role) const override;
    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;

private:
    void updateAttributes();
    void updateAttribute(const Qt3DGeometryAttributeData &attrData);

    Qt3DGeometryData m_data;
    struct ColumnData {
        QString name;
        Qt3DRender::QAttribute::VertexBaseType type;
        uint offset;
        uint stride;
    };
    QVector<ColumnData> m_attrs;

    QByteArray m_buffer;
    int m_bufferIndex;
    int m_rowSize;
};
}

#endif // GAMMARAY_BUFFERMODEL_H
