Method ISPCSubdivMesh

tutorials/common/tutorial/scene_device.cpp:389–440

  }
  
  ISPCSubdivMesh::ISPCSubdivMesh (RTCDevice device, TutorialScene* scene_in, Ref<SceneGraph::SubdivMeshNode> in) 
    : geom(SUBDIV_MESH), positions(nullptr), normals(nullptr)
  {
    geom.geometry = rtcNewGeometry(device, RTC_GEOMETRY_TYPE_SUBDIVISION);
    
    positions = new Vec3fa*[in->numTimeSteps()];
    for (size_t i=0; i<in->numTimeSteps(); i++)
      positions[i] = in->positions[i].data();

    if (in->normals.size()) {
      normals = new Vec3fa*[in->numTimeSteps()];
      for (size_t i=0; i<in->numTimeSteps(); i++)
        normals[i] = in->normals[i].data();
    }
    
    texcoords = in->texcoords.data();
    position_indices = in->position_indices.data();
    normal_indices = in->normal_indices.data();
    texcoord_indices = in->texcoord_indices.data();
    position_subdiv_mode =  in->position_subdiv_mode;
    normal_subdiv_mode = in->normal_subdiv_mode;
    texcoord_subdiv_mode = in->texcoord_subdiv_mode;
    verticesPerFace = in->verticesPerFace.data();
    holes = in->holes.data();
    edge_creases = in->edge_creases.data();
    edge_crease_weights = in->edge_crease_weights.data();
    vertex_creases = in->vertex_creases.data();
    vertex_crease_weights = in->vertex_crease_weights.data();
    startTime = in->time_range.lower;
    endTime   = in->time_range.upper;
    numTimeSteps = unsigned(in->numTimeSteps());
    numVertices = unsigned(in->numPositions());
    numFaces = unsigned(in->numPrimitives());
    numEdges = unsigned(in->position_indices.size());
    numEdgeCreases = unsigned(in->edge_creases.size());
    numVertexCreases = unsigned(in->vertex_creases.size());
    numHoles = unsigned(in->holes.size());
    numNormals = unsigned(in->numNormals());
    numTexCoords = unsigned(in->texcoords.size());
    geom.materialID = scene_in->materialID(in->material);
    size_t numEdges = in->position_indices.size();
    size_t numFaces = in->verticesPerFace.size();
    subdivlevel = new float[numEdges];
    face_offsets = new unsigned[numFaces];
    for (size_t i=0; i<numEdges; i++) subdivlevel[i] = 1.0f;
    int offset = 0;
    for (size_t i=0; i<numFaces; i++)
    {
      face_offsets[i] = offset;
      offset+=verticesPerFace[i];
    }
  }
  
  ISPCSubdivMesh::~ISPCSubdivMesh ()
  {