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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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "updateworldtransformjob.h"
#include <renderer.h>
#include <rendernode.h>
#include <sphere.h>
#include <QDebug>
#include <QThread>
static void updateWorldTransformAndBounds(Qt3D::Render::RenderNode *node)
{
QMatrix4x4 parentTransform;
if (node->m_parent)
parentTransform = *(node->m_parent->m_worldTransform);
*(node->m_worldTransform) = parentTransform * *(node->m_localTransform);
*(node->m_worldBoundingVolume) = node->m_localBoundingVolume->transformed(*(node->m_worldTransform));
Q_FOREACH (Qt3D::Render::RenderNode *child, node->m_children)
updateWorldTransformAndBounds(child);
}
namespace Qt3D {
namespace Render {
UpdateWorldTransformJob::UpdateWorldTransformJob(RenderNode *node)
: Qt3D::QJob()
, m_node(node)
{
}
void UpdateWorldTransformJob::run()
{
// Iterate over each level of hierarchy in our scene
// and update each node's world transform from its
// local transform and its parent's world transform
// TODO: Parallelise this on each level using a parallel_for
// implementation.
qDebug() << "Entering" << Q_FUNC_INFO << QThread::currentThread();
updateWorldTransformAndBounds(m_node);
qDebug() << "Exiting" << Q_FUNC_INFO << QThread::currentThread();
}
} // namespace Render
} // namespace Qt3D
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