Method ISPCHairSet

tutorials/common/tutorial/scene_device.cpp:502–541

  }
  
  ISPCHairSet::ISPCHairSet (RTCDevice device, TutorialScene* scene_in, RTCGeometryType type, Ref<SceneGraph::HairSetNode> in)
    : geom(CURVES), normals(nullptr), tangents(nullptr), dnormals(nullptr), hairs(nullptr), flags(nullptr), type(type)
  {
    geom.geometry = rtcNewGeometry(device, type);
    
    positions = (Vec3fa**) alignedUSMMalloc(sizeof(Vec3fa*)*in->numTimeSteps());
    for (size_t i=0; i<in->numTimeSteps(); i++)
      positions[i] = (Vec3fa*) copyArrayToUSM(in->positions[i]);

    if (in->normals.size()) {
      normals = (Vec3fa**) alignedUSMMalloc(sizeof(Vec3fa*)*in->numTimeSteps());
      for (size_t i=0; i<in->numTimeSteps(); i++)
        normals[i] = copyArrayToUSM(in->normals[i]);
    }

    if (in->tangents.size()) {
      tangents = (Vec3fa**) alignedUSMMalloc(sizeof(Vec3fa*)*in->numTimeSteps());
      for (size_t i=0; i<in->numTimeSteps(); i++)
        tangents[i] = (Vec3fa*) copyArrayToUSM(in->tangents[i]);
    }

    if (in->dnormals.size()) {
      dnormals = (Vec3fa**) alignedUSMMalloc(sizeof(Vec3fa*)*in->numTimeSteps());
      for (size_t i=0; i<in->numTimeSteps(); i++)
        dnormals[i] = copyArrayToUSM(in->dnormals[i]);
    }
    
    hairs = (ISPCHair*) copyArrayToUSM(in->hairs);

    if (in->flags.size())
      flags = (unsigned char*) copyArrayToUSM(in->flags);
    
    startTime = in->time_range.lower;
    endTime   = in->time_range.upper;
    numTimeSteps = (unsigned) in->numTimeSteps();
    numVertices = (unsigned) in->numVertices();
    numHairs = (unsigned)in->numPrimitives();
    geom.materialID = scene_in->materialID(in->material);
    tessellation_rate = in->tessellation_rate;
  }

  ISPCHairSet::~ISPCHairSet()
  {