Revision control
++ // Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "levelofdetail_p.h"
++ #include <Qt3DRender/QLevelOfDetail>
++ #include <Qt3DRender/private/qlevelofdetail_p.h>
++ #include <Qt3DRender/private/stringtoint_p.h>
++ #include <Qt3DRender/QCamera>
++ #include <QVariant>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++ namespace Render {
++
++ using namespace Qt3DCore;
++
++ LevelOfDetail::LevelOfDetail()
++ : BackendNode(BackendNode::ReadWrite)
++ , m_currentIndex(0)
++ , m_thresholdType(QLevelOfDetail::DistanceToCameraThreshold)
++ , m_volumeOverride()
++ {
++ }
++
++ LevelOfDetail::~LevelOfDetail()
++ {
++ cleanup();
++ }
++
++ void LevelOfDetail::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
++ {
++ const QLevelOfDetail *node = qobject_cast<const QLevelOfDetail *>(frontEnd);
++ if (!node)
++ return;
++
++ const bool oldEnabled = isEnabled();
++ BackendNode::syncFromFrontEnd(frontEnd, firstTime);
++
++ const Qt3DCore::QNodeId cameraId = Qt3DCore::qIdForNode(node->camera());
++ if (cameraId != m_camera) {
++ m_camera = cameraId;
++ markDirty(AbstractRenderer::GeometryDirty);
++ }
++
++ if (node->currentIndex() != m_currentIndex) {
++ m_currentIndex = node->currentIndex();
++ markDirty(AbstractRenderer::GeometryDirty);
++ }
++
++ if (node->thresholdType() != m_thresholdType) {
++ m_thresholdType = node->thresholdType();
++ markDirty(AbstractRenderer::GeometryDirty);
++ }
++
++ if (node->thresholds() != m_thresholds) {
++ m_thresholds = node->thresholds();
++ markDirty(AbstractRenderer::GeometryDirty);
++ }
++
++ if (node->volumeOverride() != m_volumeOverride) {
++ m_volumeOverride = node->volumeOverride();
++ markDirty(AbstractRenderer::GeometryDirty);
++ }
++
++ if (isEnabled() != oldEnabled || firstTime)
++ markDirty(AbstractRenderer::LayersDirty);
++ }
++
++ void LevelOfDetail::cleanup()
++ {
++ QBackendNode::setEnabled(false);
++ }
++
++ void LevelOfDetail::setCurrentIndex(int currentIndex)
++ {
++ if (m_currentIndex != currentIndex)
++ m_currentIndex = currentIndex;
++ }
++
++ } // namespace Render
++ } // namespace Qt3DRender
++
++ QT_END_NAMESPACE