public void ClearTreeDirtyRegions()
 {
     TreeDirtyRegions.Clear();
 }
 public void SetTreeRegionDirty(IEnumerable <Rect> uvRects)
 {
     TreeDirtyRegions.AddRange(uvRects);
 }
 public Rect[] GetTreeDirtyRegions()
 {
     return(TreeDirtyRegions.ToArray());
 }
 public void SetTreeRegionDirty(Rect uvRect)
 {
     TreeDirtyRegions.Add(uvRect);
 }