On Sat, 2011-07-16 at 16:18 +0800, Daning Yang wrote: > Hi all, > > > I developed an radar application based on Linux Kernel 2.6 + DFB 1.4. > The hardware platform is CPU Celeron 1G + Intel 852/855. First, I > built the kernel and start the application by VESA. As you know, all > rendering is on software by CPU and the FPS is 35. Then I rebuilt the > kernel with IntelFB and in the application I checked the DFB is using > i830 driver. But the FPS is only less than 10. I think the i830 driver > should do some hardware acceleration, but why it is even slower?
You should consider to run df_dok from the directfb-examples package. That should give you an idea on what functions are hardware-accelerated and which are not and what performance you can expect. Sven _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev