This is a post that I started writing about 5 months ago, and I may not be posting for a while, so here’s some info I gathered when doing per-frame analysis of Onyx’s bitmap rendering engine …. I tried to optimize per-frame bitmapdata drawing, since there were so many bitmapdata events happening on a per frame basis. The flow for one layer was as follows: var bitmap = new BitmapData(); bitmap.dra