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#ifndef QT3DRENDER_DRAGON_COMPAREGENERATORS_P_H
#define QT3DRENDER_DRAGON_COMPAREGENERATORS_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 <QSharedPointer>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {
namespace Dragon {

/*! \internal
 * Make sure two generators are equal by first checking if they are nullptr,
 * then comparing them if they are not.
 */
template<typename T>
bool compareGenerators(const QSharedPointer<T> &a, const QSharedPointer<T> &b)
{
    if (a == nullptr && b == nullptr)
        return true;

    if (a == nullptr || b == nullptr)
        return false;

    return *a == *b;
}

} // namespace Dragon
} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_DRAGON_COMPAREGENERATORS_P_H