On Fri, Jun 22, 2007 at 05:19:48PM -0500, Lloyd Sargent wrote: > On Friday 22 June 2007 13:19, Denis Oliver Kropp wrote: > > Lloyd Sargent wrote: > > > On Friday 22 June 2007 03:28, Ville Syrjälä wrote: > > >> On Thu, Jun 21, 2007 at 03:43:54PM -0500, Lloyd Sargent wrote: > > > If you have multiple windows and you don't update the whole screen, > > e.g. window covering the whole screen, there is no real hardware flip > > used so far. > > > > I don't think we need to copy the whole front buffer after an update. > > The following should be sufficient: > > > > - compose portion into back buffer > > - flip to back buffer > > - blit from (new) front to back buffer > > > > It's not blitting more than before. Just a flip in between. > > > > Did not think about software cursor implementation in this scenario though. > > Okay, one stupid question. > > How do I get a surface for the front and back buffer so I can do a blit?
If you blit a surface onto itself you will get a front->back blit. -- Ville Syrjälä [EMAIL PROTECTED] http://www.sci.fi/~syrjala/ _______________________________________________ directfb-users mailing list [email protected] http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
