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 > directfb-dev@directfb.org > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev > _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
