> > I see that the current bttv driver turns the clipping rectangles into a
> > bitmap, then turns the bitmap into a RISC program. It would be more efficient
> > to go directly from a list of rectangles to a RISC program, and skip the
> > bitmap step. When you want to change overlay on a frame by frame basis, this
> > inefficiency really does make a difference.
>
> I didn�t do it :-)
> The bitmap clipping was added after I stopped bttv development.
Huh? Who wrote it then? /me did'nt, I just optimized it for speed some
day. I havn't touched the RISC code buffer sizes, it is still 16k or so...
Running out of risc memory should'nt crash the driver throuth, looks like
the outofmem thing has a bug somewhere...
Gerd
--
Protecting the children is a good way to get a lot of adults who cant
stand up for themselves. -- seen in some sig on /.
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