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| |
| #include "geometryrenderer_p.h" |
| #include <Qt3DRender/private/geometryrenderermanager_p.h> |
| #include <Qt3DRender/private/qboundingvolume_p.h> |
| #include <Qt3DRender/private/qgeometryrenderer_p.h> |
| #include <Qt3DRender/private/qmesh_p.h> |
| #include <Qt3DCore/qpropertyupdatedchange.h> |
| #include <Qt3DCore/private/qnode_p.h> |
| #include <Qt3DCore/private/qtypedpropertyupdatechange_p.h> |
| #include <Qt3DCore/private/qservicelocator_p.h> |
| #include <QtCore/qcoreapplication.h> |
| |
| #include <memory> |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace Qt3DCore; |
| |
| namespace Qt3DRender { |
| namespace Render { |
| |
| GeometryRenderer::GeometryRenderer() |
| : BackendNode(ReadWrite) |
| , m_instanceCount(0) |
| , m_vertexCount(0) |
| , m_indexOffset(0) |
| , m_firstInstance(0) |
| , m_firstVertex(0) |
| , m_indexBufferByteOffset(0) |
| , m_restartIndexValue(-1) |
| , m_verticesPerPatch(0) |
| , m_primitiveRestartEnabled(false) |
| , m_primitiveType(QGeometryRenderer::Triangles) |
| , m_dirty(false) |
| , m_manager(nullptr) |
| { |
| } |
| |
| GeometryRenderer::~GeometryRenderer() |
| { |
| } |
| |
| void GeometryRenderer::cleanup() |
| { |
| BackendNode::setEnabled(false); |
| m_instanceCount = 0; |
| m_vertexCount = 0; |
| m_indexOffset = 0; |
| m_firstInstance = 0; |
| m_firstVertex = 0; |
| m_indexBufferByteOffset = 0; |
| m_restartIndexValue = -1; |
| m_verticesPerPatch = 0; |
| m_primitiveRestartEnabled = false; |
| m_primitiveType = QGeometryRenderer::Triangles; |
| m_geometryId = Qt3DCore::QNodeId(); |
| m_dirty = false; |
| m_geometryFactory.reset(); |
| qDeleteAll(m_triangleVolumes); |
| m_triangleVolumes.clear(); |
| } |
| |
| void GeometryRenderer::setManager(GeometryRendererManager *manager) |
| { |
| m_manager = manager; |
| } |
| |
| void GeometryRenderer::syncFromFrontEnd(const QNode *frontEnd, bool firstTime) |
| { |
| BackendNode::syncFromFrontEnd(frontEnd, firstTime); |
| const QGeometryRenderer *node = qobject_cast<const QGeometryRenderer *>(frontEnd); |
| if (!node) |
| return; |
| |
| m_dirty |= m_instanceCount != node->instanceCount(); |
| m_instanceCount = node->instanceCount(); |
| m_dirty |= m_vertexCount != node->vertexCount(); |
| m_vertexCount = node->vertexCount(); |
| m_dirty |= m_indexOffset != node->indexOffset(); |
| m_indexOffset = node->indexOffset(); |
| m_dirty |= m_firstInstance != node->firstInstance(); |
| m_firstInstance = node->firstInstance(); |
| m_dirty |= m_firstVertex != node->firstVertex(); |
| m_firstVertex = node->firstVertex(); |
| m_dirty |= m_indexBufferByteOffset != node->indexBufferByteOffset(); |
| m_indexBufferByteOffset = node->indexBufferByteOffset(); |
| m_dirty |= m_restartIndexValue != node->restartIndexValue(); |
| m_restartIndexValue = node->restartIndexValue(); |
| m_dirty |= m_verticesPerPatch != node->verticesPerPatch(); |
| m_verticesPerPatch = node->verticesPerPatch(); |
| m_dirty |= m_primitiveRestartEnabled != node->primitiveRestartEnabled(); |
| m_primitiveRestartEnabled = node->primitiveRestartEnabled(); |
| m_dirty |= m_primitiveType != node->primitiveType(); |
| m_primitiveType = node->primitiveType(); |
| m_dirty |= (node->geometry() && m_geometryId != node->geometry()->id()) || (!node->geometry() && !m_geometryId.isNull()); |
| m_geometryId = node->geometry() ? node->geometry()->id() : Qt3DCore::QNodeId(); |
| QGeometryFactoryPtr newFunctor = node->geometryFactory(); |
| const bool functorDirty = ((m_geometryFactory && !newFunctor) |
| || (!m_geometryFactory && newFunctor) |
| || (m_geometryFactory && newFunctor && !(*newFunctor == *m_geometryFactory))); |
| if (functorDirty) { |
| m_dirty = true; |
| m_geometryFactory = newFunctor; |
| if (m_geometryFactory && m_manager != nullptr) { |
| m_manager->addDirtyGeometryRenderer(peerId()); |
| |
| const bool isQMeshFunctor = m_geometryFactory->id() == Qt3DRender::functorTypeId<MeshLoaderFunctor>(); |
| if (isQMeshFunctor) { |
| const QMesh *meshNode = static_cast<const QMesh *>(node); |
| QMeshPrivate *dmeshNode = QMeshPrivate::get(const_cast<QMesh *>(meshNode)); |
| dmeshNode->setStatus(QMesh::Loading); |
| } |
| } |
| } |
| |
| markDirty(AbstractRenderer::GeometryDirty); |
| } |
| |
| GeometryFunctorResult GeometryRenderer::executeFunctor() |
| { |
| Q_ASSERT(m_geometryFactory); |
| |
| // What kind of functor are we dealing with? |
| const bool isQMeshFunctor = m_geometryFactory->id() == Qt3DRender::functorTypeId<MeshLoaderFunctor>(); |
| |
| if (isQMeshFunctor) { |
| QSharedPointer<MeshLoaderFunctor> meshLoader = qSharedPointerCast<MeshLoaderFunctor>(m_geometryFactory); |
| |
| // Set the aspect engine to allow remote downloads |
| if (meshLoader->nodeManagers() == nullptr) |
| meshLoader->setNodeManagers(m_renderer->nodeManagers()); |
| |
| if (meshLoader->downloaderService() == nullptr) { |
| Qt3DCore::QServiceLocator *services = m_renderer->services(); |
| meshLoader->setDownloaderService(services->service<Qt3DCore::QDownloadHelperService>(Qt3DCore::QServiceLocator::DownloadHelperService)); |
| }; |
| } |
| |
| // Load geometry |
| QGeometry *geometry = (*m_geometryFactory)(); |
| QMesh::Status meshLoaderStatus = QMesh::None; |
| |
| // If the geometry is null, then we were either unable to load it (Error) |
| // or the mesh is located at a remote url and needs to be downloaded first (Loading) |
| if (geometry != nullptr) { |
| // Move the QGeometry object to the main thread and notify the |
| // corresponding QGeometryRenderer |
| const auto appThread = QCoreApplication::instance()->thread(); |
| geometry->moveToThread(appThread); |
| } |
| |
| // Send Status |
| if (isQMeshFunctor) { |
| QSharedPointer<MeshLoaderFunctor> meshLoader = qSharedPointerCast<MeshLoaderFunctor>(m_geometryFactory); |
| meshLoaderStatus = meshLoader->status(); |
| } |
| |
| return { geometry, meshLoaderStatus }; |
| } |
| |
| void GeometryRenderer::unsetDirty() |
| { |
| m_dirty = false; |
| } |
| |
| |
| void GeometryRenderer::setTriangleVolumes(const QVector<RayCasting::QBoundingVolume *> &volumes) |
| { |
| qDeleteAll(m_triangleVolumes); |
| m_triangleVolumes = volumes; |
| } |
| |
| QVector<RayCasting::QBoundingVolume *> GeometryRenderer::triangleData() const |
| { |
| return m_triangleVolumes; |
| } |
| |
| GeometryRendererFunctor::GeometryRendererFunctor(AbstractRenderer *renderer, GeometryRendererManager *manager) |
| : m_manager(manager) |
| , m_renderer(renderer) |
| { |
| } |
| |
| Qt3DCore::QBackendNode *GeometryRendererFunctor::create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const |
| { |
| GeometryRenderer *geometryRenderer = m_manager->getOrCreateResource(change->subjectId()); |
| geometryRenderer->setManager(m_manager); |
| geometryRenderer->setRenderer(m_renderer); |
| return geometryRenderer; |
| } |
| |
| Qt3DCore::QBackendNode *GeometryRendererFunctor::get(Qt3DCore::QNodeId id) const |
| { |
| return m_manager->lookupResource(id); |
| } |
| |
| void GeometryRendererFunctor::destroy(Qt3DCore::QNodeId id) const |
| { |
| m_manager->releaseResource(id); |
| } |
| |
| } // namespace Render |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |
