Re: Floating point in pango

[Matthew Allum <mallum openedhand com>]

Hi;

On Tue, 2006-07-11 at 08:29 -0500, Federico Mena Quintero wrote:
> On Mon, 2006-07-10 at 15:46 +0300, Jorn Baayen wrote:
> 
> > Just FYI, GTK+ >= 2.8 uses pango-cairo to draw text, which apart from
> > using cairo to draw also calculates the position of each glyph using
> > floating point whereas this was done using fixed point previously. 
> > Pango-cairo alone appears to be responsible for an approximately 30%
> > slowdown when drawing text on ARM.
> 
> Do you have a profile to prove this?  Many things have changed in the
> meantime: caching schemes, fontconfig, internal APIs in Cairo, etc.
> 

Am working on some oprofile stats for ARM. With any luck should have
tomorrow. 

  -- Matthew