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Diffstat (limited to 'src/core/render/backend/jobs/updateworldtransformjob.cpp')
-rw-r--r-- | src/core/render/backend/jobs/updateworldtransformjob.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/core/render/backend/jobs/updateworldtransformjob.cpp b/src/core/render/backend/jobs/updateworldtransformjob.cpp new file mode 100644 index 000000000..04f09f9a0 --- /dev/null +++ b/src/core/render/backend/jobs/updateworldtransformjob.cpp @@ -0,0 +1,88 @@ +/**************************************************************************** +** +** 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 |