Thanks. --
Anders On Sep 26, 2009, at 8:42 AM, "ext Andre DRASZIK" <andre.dras...@st.com> wrote: > On Fri, 2009-09-18 at 02:26 +0200, anders.bak...@nokia.com wrote: >> This might be the way DirectFB is supposed to work but I was >> surprised to find the following: >> >> 1) I blit the subrect 0, 0, 100, 100 of a surface to position 100, >> 0 in the same surface >> 2) I blit the subrect 100, 0, 100, 100 of a surface to position >> 100, 100 in the same surface >> >> Contrary to my expections I found that the content now found in >> 100, 100, 100, 100 is what used to be in 100, 0, 100, 100 before >> the first blit rather than after it. If I put a Flip in between 1 >> and 2 it works as expected. > > Yes, DirectFB always uses the front buffer as source and the back > buffer > as destination for blits. I don't think there's a way to change this > behaviour without patching. > > > Cheers, > Andre' > > > _______________________________________________ > 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
