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/*!
 * \class QStencilOperation
 * \brief The QStencilOperation class allows the selection of either the front
 * or back sides.
 * \since 5.7
 * \ingroup renderstates
 */

#include "qstenciloperation.h"
#include "qstenciloperation_p.h"
#include "qstenciloperationarguments.h"
#include <Qt3DRender/private/qrenderstatecreatedchange_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

/*!
 * The constructor creates a new QStencilOperation::QStencilOperation instance with
 * the specified \a parent.
 */
QStencilOperation::QStencilOperation(QNode *parent)
    : QRenderState(*new QStencilOperationPrivate(), parent)
{
}

/*! \internal */
QStencilOperation::~QStencilOperation()
{
}

/*!
 * \return the front fragments.
 */
QStencilOperationArguments *QStencilOperation::front() const
{
    Q_D(const QStencilOperation);
    return d->m_front;
}

/*!
 * \return the back fragments.
 */
QStencilOperationArguments *QStencilOperation::back() const
{
    Q_D(const QStencilOperation);
    return d->m_back;
}

Qt3DCore::QNodeCreatedChangeBasePtr QStencilOperation::createNodeCreationChange() const
{
    auto creationChange = QRenderStateCreatedChangePtr<QStencilOperationData>::create(this);
    auto &data = creationChange->data;
    Q_D(const QStencilOperation);
    data.front.face = d->m_front->faceMode();
    data.front.stencilTestFailureOperation = d->m_front->stencilTestFailureOperation();
    data.front.depthTestFailureOperation = d->m_front->depthTestFailureOperation();
    data.front.allTestsPassOperation = d->m_front->allTestsPassOperation();
    data.back.face = d->m_back->faceMode();
    data.back.stencilTestFailureOperation = d->m_back->stencilTestFailureOperation();
    data.back.depthTestFailureOperation = d->m_back->depthTestFailureOperation();
    data.back.allTestsPassOperation = d->m_back->allTestsPassOperation();
    return creationChange;
}

} // namespace Qt3DRender

QT_END_NAMESPACE
