qgeometryview_p.h - mozsearch

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// Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DCORE_QGEOMETRYVIEW_P_H

#define QT3DCORE_QGEOMETRYVIEW_P_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 <Qt3DCore/private/qnode_p.h>

#include <Qt3DCore/qgeometryview.h>

#include <Qt3DCore/private/qgeometryfactory_p.h>

#include <Qt3DCore/private/qt3dcore_global_p.h>

#include <QtGui/qvector3d.h>

#include <memory>

QT_BEGIN_NAMESPACE

namespace Qt3DCore {

class Q_3DCORESHARED_EXPORT QGeometryViewPrivate : public Qt3DCore::QNodePrivate

public:

    QGeometryViewPrivate();

    ~QGeometryViewPrivate();

    static QGeometryViewPrivate *get(QGeometryView *q);

    void update() override;

    Q_DECLARE_PUBLIC(QGeometryView)

    int m_instanceCount;

    int m_vertexCount;

    int m_indexOffset;

    int m_firstInstance;

    int m_firstVertex;

    int m_indexBufferByteOffset;

    int m_restartIndexValue;

    int m_verticesPerPatch;

    bool m_primitiveRestart;

    QGeometry *m_geometry;

    QGeometryView::PrimitiveType m_primitiveType;

    bool m_dirty;

};

class BoundingVolumeCalculator

public:

    BoundingVolumeCalculator() = default;

    const QVector3D min() const { return m_min; }

    const QVector3D max() const { return m_max; }

    const QVector3D center() const { return m_center; }

    float radius() const { return m_radius; }

    bool isValid() const { return m_radius >= 0.f; }

    bool apply(QAttribute *positionAttribute,

               QAttribute *indexAttribute,

               int drawVertexCount,

               bool primitiveRestartEnabled,

               int primitiveRestartIndex);

private:

    QVector3D m_min;

    QVector3D m_max;

    QVector3D m_center;

    float m_radius = -1.f;

};

} // namespace Qt3DCore

QT_END_NAMESPACE

#endif // QT3DCORE_QGEOMETRYVIEW_P_H