Re: gtk performance testing [was Re: GNOME 2.11/2.12 targeting GTK+ 2.8 (ie cairo based)]

[Rob Taylor <robtaylor floopily org>]

On Fri, 2005-06-10 at 09:33 -0400, Owen Taylor wrote:
> On Fri, 2005-06-10 at 15:12 +0200, Jeroen Zwartepoorte wrote:
> > Since everybody is talking about how glitz will eventually speedup
> > drawing operations by using hardware accelerated OpenGL, i built it
> > and then rebuilt cairo so cairo will detect glitz and compile with
> > support for it.
> > 
> > How does glitz further integrate into the desktop stack? Can i make
> > gtk+ use glitz for drawing widgets? If so, how?
> 
> The way glitz integrates in is on the server side:
> 
>  GTK+ => Cairo --- <RENDER> ---> X server => glitz => OpenGL
> 
> This will give the same basic performance benefits as having Cairo
> use glitz directly, but with many less complications. Currently,
> we don't foresee having GTK+ render via glitz as a very interesting
> way to go for the desktop.
> 
> Note that the performance slowdowns people have been seeing for
> GtkTextView likely have not much to do with rendering and everything
> to do with text measurement.

You'll have to excude me for not having followed much cairo/X work for a
while, but does that ' --- <RENDER> ---' imply that cairo is rendering
lots of traps using the RENDER extension?

Thanks,
Rob Taylor