Niels, Well, I should probably talk about surfaces so. Is it possible to change the window's surface from double buffered to single buffered, without destroying the window ?
-- Lionel On Thu, Feb 25, 2010 at 12:41 PM, Niels Roest <ni...@directfb.org> wrote: > Hi Lionel, > > not quite sure I understand. > Windows (IDirectFBWindow) are, afaik, always "single" buffered, or rather > simply "buffered" (as opposed to what I believe X does, which simply issues > redraw requests). A window update is then nothing more than a sequence of > bitblt operations. > > If you want to get rid of the bufferedness you have to access the layer > yourself, since DirectFB has currently no mechanism for redraws. > > Greets > Niels > > Lionel Landwerlin wrote: > >> Hi all >> >> I'm wondering whether it's possible to change a double buffered window to >> a single buffered one >> and vice and versa. >> My idea is to display several applications, each one having its own >> window, and I only want one >> of them to have focus and be able to update its content. Therefor the >> others windows are kind "frozen" >> and won't update their backbuffered content. So I could save some memory >> by changing them from >> double buffered to single buffered. >> >> Is it something possible with the current directfb version ? >> >> Regards, >> >> -- >> Lionel Landwerlin >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> directfb-dev mailing list >> directfb-dev@directfb.org >> http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev >> >> > > > -- > > .------------------------------------------. > | DirectFB - Hardware accelerated graphics | > | http://www.directfb.org/ | > "------------------------------------------" >
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