From: "Chris Hawks" <[EMAIL PROTECTED]> > ---Reply to mail from Alexander R. Pruss about DrawImage() in fullscreenform.c > > Ah, so the complicated stuff is there to trim the bitmap down to the visible > > parts only. And I take it you've benchmarked, or at least eye-balled, to > > see that it makes a significant difference in practice? > > Yeah. Without the speedup code, a large bitmap in the emulator (my box is 300Mz) > takes about 30 seconds to render and dragging is so slow you could time it with > a calender. > > With the speedup code, it's a second or so to render and dragging is > slow, but, bearable. > > > I wonder if there is a way of optimizing rotatebitmap.c further. > > I didn't have anything jump out at me (except converting it to assembly <G>).
One thing to check would be whether there are any significant differences in rotation speed for different depths. 16bit depth doesn't have to fool around with bits... Alex _______________________________________________ plucker-dev mailing list [EMAIL PROTECTED] http://lists.rubberchicken.org/mailman/listinfo/plucker-dev
