On Fri, 2008-06-13 at 13:18 +0300, Timo Jyrinki wrote:
> 2008/6/12 Eric Anholt <eric@anho...>:
> > I'm really having a hard time caring until someone comes up with
> > something other than a microbenchmark that has issues with teximage
> > performance.
>
> I'm not sure if it's about teximage performance, but try (whoever
> interested) rotating a cube in compiz when playing windowed (not
> fullscreen) textured video in eg. mplayer or totem. At least currently
> it seems windowed, textured video is unusably slow together with
> compiz, which means I'm forcing the 965G overlay feature into use to
> have usable video playback performance.

If compiz is doing TexImage for texture from pixmap, that also means
that it's reading the data out of the framebuffer.  The reading data out
should be the slow part.  sysprof would confirm for you.

--
Eric Anholt                             anholt@Free...
eric@anho...                         eric.anholt@inte...