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| ** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB). |
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| |
| #include "geometry_p.h" |
| #include <Qt3DRender/qattribute.h> |
| #include <Qt3DRender/qgeometry.h> |
| #include <Qt3DRender/private/qgeometry_p.h> |
| #include <Qt3DCore/qpropertyupdatedchange.h> |
| |
| #include <algorithm> |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace Qt3DCore; |
| |
| namespace Qt3DRender { |
| namespace Render { |
| |
| Geometry::Geometry() |
| : BackendNode(ReadWrite) |
| , m_geometryDirty(false) |
| , m_shouldNotifyMinExtentChanged(false) |
| , m_shouldNotifyMaxExtentChanged(false) |
| { |
| } |
| |
| Geometry::~Geometry() |
| { |
| } |
| |
| void Geometry::cleanup() |
| { |
| QBackendNode::setEnabled(false); |
| m_attributes.clear(); |
| m_geometryDirty = false; |
| m_boundingPositionAttribute = Qt3DCore::QNodeId(); |
| m_min = QVector3D(); |
| m_max = QVector3D(); |
| m_shouldNotifyMinExtentChanged = false; |
| m_shouldNotifyMaxExtentChanged = false; |
| } |
| |
| void Geometry::syncFromFrontEnd(const QNode *frontEnd, bool firstTime) |
| { |
| BackendNode::syncFromFrontEnd(frontEnd, firstTime); |
| const QGeometry *node = qobject_cast<const QGeometry *>(frontEnd); |
| if (!node) |
| return; |
| |
| m_geometryDirty |= firstTime; |
| |
| QNodeIdVector attribs = qIdsForNodes(node->attributes()); |
| std::sort(std::begin(attribs), std::end(attribs)); |
| if (m_attributes != attribs) { |
| m_attributes = attribs; |
| m_geometryDirty = true; |
| } |
| |
| if ((node->boundingVolumePositionAttribute() && node->boundingVolumePositionAttribute()->id() != m_boundingPositionAttribute) || |
| // Note: doesn't set dirtyness as this parameter changing doesn't need a new VAO update. |
| (!node->boundingVolumePositionAttribute() && !m_boundingPositionAttribute.isNull())) { |
| m_boundingPositionAttribute = node->boundingVolumePositionAttribute() ? node->boundingVolumePositionAttribute()->id() : QNodeId{}; |
| } |
| |
| markDirty(AbstractRenderer::GeometryDirty); |
| } |
| |
| void Geometry::unsetDirty() |
| { |
| m_geometryDirty = false; |
| } |
| |
| // Called from calcboundingvolumejob (in a QtConcurrent thead (can't send |
| // update changes from such a thread)) |
| void Geometry::updateExtent(const QVector3D &min, const QVector3D &max) |
| { |
| // Send notification to frontend |
| if (m_min != min) { |
| m_min = min; |
| m_shouldNotifyMinExtentChanged = true; |
| } |
| |
| if (m_max != max) { |
| m_max = max; |
| m_shouldNotifyMaxExtentChanged = true; |
| } |
| } |
| |
| // Called from calcboundingvolumejob after all bounding volumes have been |
| // updated (in an aspect thread) |
| void Geometry::notifyExtentChanged() |
| { |
| if (m_shouldNotifyMinExtentChanged || m_shouldNotifyMaxExtentChanged) { |
| auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(peerId()); |
| change->setDeliveryFlags(Qt3DCore::QSceneChange::Nodes); |
| change->setPropertyName("extent"); |
| change->setValue(QVariant::fromValue(QPair<QVector3D, QVector3D>(m_min, m_max))); |
| notifyObservers(change); |
| m_shouldNotifyMinExtentChanged = false; |
| m_shouldNotifyMaxExtentChanged = false; |
| } |
| } |
| |
| } // namespace Render |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |