Function updateEdgeLevels

tutorials/viewer/viewer_device.cpp:81–111

#endif

void updateEdgeLevels(ISPCScene* scene_in, const Vec3fa& cam_pos)
{
  /* first update small meshes */
#if defined(ISPC)
  parallel_for(size_t(0),size_t( scene_in->numGeometries ),[&](const range<size_t>& range) {
    const int threadIndex = (int)TaskScheduler::threadIndex();
    for (size_t i=range.begin(); i<range.end(); i++)
      updateMeshEdgeLevelBufferTask((int)i,threadIndex,scene_in,cam_pos);
  }); 
#endif

  /* now update large meshes */
  for (unsigned int g=0; g<scene_in->numGeometries; g++)
  {
    ISPCGeometry* geometry = g_ispc_scene->geometries[g];
    if (geometry->type != SUBDIV_MESH) continue;
    ISPCSubdivMesh* mesh = (ISPCSubdivMesh*) geometry;
#if defined(ISPC)
    if (mesh->numFaces < 10000) continue;
    parallel_for(size_t(0),size_t( (mesh->numFaces+4095)/4096 ),[&](const range<size_t>& range) {
    const int threadIndex = (int)TaskScheduler::threadIndex();
    for (size_t i=range.begin(); i<range.end(); i++)
      updateSubMeshEdgeLevelBufferTask((int)i,threadIndex,mesh,cam_pos);
  }); 
#else
    updateEdgeLevelBuffer(mesh,cam_pos,0,mesh->numFaces);
#endif
    rtcUpdateGeometryBuffer(geometry->geometry, RTC_BUFFER_TYPE_LEVEL, 0);
    rtcCommitGeometry(geometry->geometry);
  }
}

RTCScene convertScene(ISPCScene* scene_in)
{