Cairo is fixed point. Thats not the problem... Somewhere on the list you will see my call for help. I'm very aware of whats wrong I wrote the code.
On 5/17/06, Sean Kelley <[EMAIL PROTECTED]> wrote: > Cliff, > > Doesn't the DirectFB support for Gtk+ require 2.8 or 2.9? If so, then > that version of Gtk+ is using Cairo. My understanding is that Cairo > is floating point based so on an ARM 9 you will suffer floating point > emulation which would be a performance hit. > > Sean > > On 5/17/06, Clif Swiggett <[EMAIL PROTECTED]> wrote: > > Hi All - > > I'm hoping I can get some guidance here. > > > > I'm cross compiling Gtk+ (latest CVS) to an ARM9 board. > > DirectFB performance is great - I can fill the screen with text using > > DirectFB font rendering and it appears instantaneous to a user. > > > > However, Gtk / pango font rendering is incredibly slow. If I show a Gtk > > Window with a handful of labels, the text dribbles onto the screen. > > > > The bulk of the time is spent in pango_renderer_draw_layout_line (the > > first call is very slow - subsequent calls are much faster) and > > pango_renderer_deactivate. Since Gtk calls these every time it draws a > > label, the performance overhead is crippling. > > > > Does anyone have any recommendations for speeding this up? > > > > > > - Clif > > > > _______________________________________________ > > directfb-dev mailing list > > [email protected] > > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev > > > _______________________________________________ > directfb-dev mailing list > [email protected] > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev > _______________________________________________ directfb-dev mailing list [email protected] http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
