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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qrendertargetselector.h"
#include "qrendertargetselector_p.h"
#include <Qt3DRender/qrendertarget.h>
#include <Qt3DCore/qscenepropertychange.h>
#include <Qt3DRender/private/qrenderpass_p.h>
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
/*!
\class Qt3DRender::QRenderTargetSelectorPrivate
\internal
*/
QRenderTargetSelectorPrivate::QRenderTargetSelectorPrivate()
: QFrameGraphNodePrivate()
, m_target(Q_NULLPTR)
{
}
void QRenderTargetSelector::copy(const QNode *ref)
{
QFrameGraphNode::copy(ref);
const QRenderTargetSelector *other = static_cast<const QRenderTargetSelector*>(ref);
setDrawBuffers(other->drawBuffers());
if (other->d_func()->m_target)
setTarget(qobject_cast<QRenderTarget *>(QNode::clone(other->d_func()->m_target)));
}
QRenderTargetSelector::QRenderTargetSelector(QNode *parent)
: QFrameGraphNode(*new QRenderTargetSelectorPrivate, parent)
{
}
QRenderTargetSelector::~QRenderTargetSelector()
{
QNode::cleanup();
}
void QRenderTargetSelector::setTarget(QRenderTarget *target)
{
Q_D(QRenderTargetSelector);
if (d->m_target != target) {
d->m_target = target;
// For inline declaration cases
if (target != Q_NULLPTR && !target->parent())
target->setParent(this);
emit targetChanged();
}
}
QRenderTarget *QRenderTargetSelector::target() const
{
Q_D(const QRenderTargetSelector);
return d->m_target;
}
/*!
* \internal
* Sets the draw buffers \a buffers to be used. The draw buffers should be
* matching the Qt3DRender::QRenderAttachment::RenderAttachmentType
* defined in the attachments of the Qt3DRender::QRenderTarget associated to the
* Qt3DRender::QRenderTargetSelector instance.
*
* \note At render time, if no draw buffer has been specified, the renderer will
* default to using all the attachments' draw buffers.
*
*/
void QRenderTargetSelector::setDrawBuffers(const QList<QRenderAttachment::RenderAttachmentType> &buffers)
{
Q_D(QRenderTargetSelector);
if (buffers != d->m_drawBuffers) {
d->m_drawBuffers = buffers;
if (d->m_changeArbiter) {
QScenePropertyChangePtr change(new QScenePropertyChange(NodeUpdated, QSceneChange::Node, id()));
change->setPropertyName("drawBuffers");
change->setValue(QVariant::fromValue(d->m_drawBuffers));
d->notifyObservers(change);
}
}
}
/*!
* Returns the list of draw buffers for the current Qt3DRender::QRenderTargetSelector instance.
*/
QList<QRenderAttachment::RenderAttachmentType> QRenderTargetSelector::drawBuffers() const
{
Q_D(const QRenderTargetSelector);
return d->m_drawBuffers;
}
QRenderTargetSelector::QRenderTargetSelector(QRenderTargetSelectorPrivate &dd, QNode *parent)
: QFrameGraphNode(dd, parent)
{
}
} // namespace Qt3DRender
QT_END_NAMESPACE
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