1 files changed, 130 insertions, 0 deletions
diff --git a/src/render/jobs/computefilteredboundingvolumejob.cpp b/src/render/jobs/computefilteredboundingvolumejob.cpp
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index 000000000..d8a7b5094
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+++ b/src/render/jobs/computefilteredboundingvolumejob.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2017 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 "computefilteredboundingvolumejob_p.h"
+
+#include <Qt3DRender/private/renderer_p.h>
+#include <Qt3DRender/private/entity_p.h>
+#include <Qt3DRender/private/renderlogging_p.h>
+#include <Qt3DRender/private/sphere_p.h>
+#include <Qt3DRender/private/job_common_p.h>
+
+#include <QThread>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+namespace Render {
+
+namespace {
+
+void expandWorldBoundingVolume(Qt3DRender::Render::Sphere *sphere,
+                               Qt3DRender::Render::Entity *node,
+                               Qt3DRender::Render::Entity *excludeSubTree)
+{
+    Qt3DRender::Render::Sphere childSphere(*node->worldBoundingVolume());
+    // Go to the nodes that have the most depth
+    const auto children = node->children();
+    for (Entity *c : children) {
+        if (c != excludeSubTree)
+            expandWorldBoundingVolume(&childSphere, c, excludeSubTree);
+    }
+    sphere->expandToContain(childSphere);
+}
+
+} // namespace
+
+ComputeFilteredBoundingVolumeJob::ComputeFilteredBoundingVolumeJob()
+    : m_root(nullptr)
+    , m_ignoreSubTree(nullptr)
+{
+    SET_JOB_RUN_STAT_TYPE(this, JobTypes::ExpandBoundingVolume, 0);
+}
+
+void ComputeFilteredBoundingVolumeJob::setRoot(Entity *root)
+{
+    m_root = root;
+}
+
+void ComputeFilteredBoundingVolumeJob::ignoreSubTree(Entity *node)
+{
+    m_ignoreSubTree = node;
+}
+
+void ComputeFilteredBoundingVolumeJob::run()
+{
+    qCDebug(Jobs) << "Entering" << Q_FUNC_INFO << QThread::currentThread();
+
+    if (!m_root)
+        return;
+    if (!m_ignoreSubTree) {
+        finished(*m_root->worldBoundingVolumeWithChildren());
+        return;
+    }
+
+    bool isFilterChildOfRoot = false;
+    Entity *parent = m_ignoreSubTree->parent();
+    while (parent) {
+        if (parent == m_root) {
+            isFilterChildOfRoot = true;
+            break;
+        }
+        parent = parent->parent();
+    }
+    if (!isFilterChildOfRoot) {
+        finished(*m_root->worldBoundingVolumeWithChildren());
+        return;
+    }
+
+    Qt3DRender::Render::Sphere sphere;
+    expandWorldBoundingVolume(&sphere, m_root, m_ignoreSubTree);
+    finished(sphere);
+
+    qCDebug(Jobs) << "Exiting" << Q_FUNC_INFO << QThread::currentThread();
+}
+
+void ComputeFilteredBoundingVolumeJob::finished(const Qt3DRender::Render::Sphere &sphere)
+{
+    Q_UNUSED(sphere);
+}
+
+} // namespace Render
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE