Function update_instance_scenes

tutorials/forest/forest_device.cpp:261–275

}

void update_instance_scenes()
{
  if (g_use_instance_array)
  {
    rtcSetGeometryInstancedScenes(instance_array,(RTCScene*)scene_trees_selected,6);
    rtcCommitGeometry(instance_array);
  }
  else
  {
    for (unsigned int i = 0; i < num_trees; ++i) {
      rtcSetGeometryInstancedScene(instances[i],scene_trees_selected[data.tree_ids_host[i]]);
      rtcCommitGeometry(instances[i]);
    }
  }
}

void update_instance_transforms()
{