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/****************************************************************************
**
** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "geometry_p.h"
#include <Qt3DCore/qscenepropertychange.h>
#include <Qt3DRender/qabstractattribute.h>
#include <Qt3DRender/qgeometry.h>
#include <Qt3DRender/qboundingvolumespecifier.h>
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
namespace Render {
Geometry::Geometry()
: QBackendNode(ReadOnly)
, m_verticesPerPatch(0)
, m_geometryDirty(false)
{
}
Geometry::~Geometry()
{
}
void Geometry::cleanup()
{
m_verticesPerPatch = 0;
m_attributes.clear();
m_geometryDirty = false;
m_boundingPositionAttribute = Qt3DCore::QNodeId();
}
void Geometry::updateFromPeer(Qt3DCore::QNode *peer)
{
QGeometry *geometry = static_cast<QGeometry *>(peer);
if (geometry != Q_NULLPTR) {
m_attributes.reserve(geometry->attributes().size());
Q_FOREACH (QAbstractAttribute *attribute, geometry->attributes())
m_attributes.push_back(attribute->id());
m_verticesPerPatch = geometry->verticesPerPatch();
m_geometryDirty = true;
if (geometry->boundingVolumeSpecifier()->positionAttribute() != Q_NULLPTR)
m_boundingPositionAttribute = geometry->boundingVolumeSpecifier()->positionAttribute()->id();
}
}
void Geometry::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
{
QScenePropertyChangePtr propertyChange = qSharedPointerCast<QScenePropertyChange>(e);
QByteArray propertyName = propertyChange->propertyName();
switch (e->type()) {
case NodeAdded: {
if (propertyName == QByteArrayLiteral("attribute")) {
m_attributes.push_back(propertyChange->value().value<QNodeId>());
m_geometryDirty = true;
}
break;
}
case NodeRemoved: {
if (propertyName == QByteArrayLiteral("attribute")) {
m_attributes.removeOne(propertyChange->value().value<QNodeId>());
m_geometryDirty = true;
}
break;
}
case NodeUpdated:
if (propertyName == QByteArrayLiteral("verticesPerPatch")) {
m_verticesPerPatch = propertyChange->value().value<int>();
break;
// Note: doesn't set dirtyness as this parameter changing doesn't need
// a new VAO update.
} else if (propertyName == QByteArrayLiteral("boundingVolumeSpecifierPositionAttribute")) {
m_boundingPositionAttribute = propertyChange->value().value<Qt3DCore::QNodeId>();
break;
}
default:
break;
}
}
void Geometry::unsetDirty()
{
m_geometryDirty = false;
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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