Sergio LSI wrote: > Hi, > > I am a newbie and I would like to know the difference between > the following ways to create a primary surface > > 1) > DFBSurfaceDescription dsc; > IDirectFBSurface *primary; > IDirectFB *dfb; > > dsc.flags = DSDESC_CAPS; > dsc.caps = DSCAPS_PRIMARY | DSCAPS_FLIPPING; > dfb->CreateSurface( dfb, &dsc, &primary )
pros - adding one call to dfb->SetCooperativeLevel() makes it behave like 3) - user can use options like: "force-windowed", "force-desktop", "pixelformat", "mode" (also window size) - has an autograb mode for the mouse cursor (type or click in window) cons - no control over implicitly created window, like position - no events from the window, only raw input events available > 2) > IDirectFB *dfb; > IDirectFBDisplayLayer *layer; > IDirectFBSurface *primary; > IDirectFBWindow *window; > > DFBWindowDescription wind_desc; > > dfb->GetDisplayLayer (dfb, DLID_PRIMARY, &layer); > layer->CreateWindow(layer, &wind_desc, &window); > window->GetSurface(window, &primary); pros - can have more than one window - direct window creation - window control - window events 3) IDirectFB *dfb; IDirectFBDisplayLayer *layer; IDirectFBSurface *primary; DFBDisplayLayerConfig config; dfb->GetDisplayLayer (dfb, DLID_PRIMARY, &layer); layer->SetCooperativeLevel(layer, DLSCL_EXCLUSIVE); layer->SetConfiguration(layer, &config); layer->GetSurface(layer, &primary); pros - direct layer configuration - layer control -- Best regards, Denis Oliver Kropp .------------------------------------------. | DirectFB - Hardware accelerated graphics | | http://www.directfb.org/ | "------------------------------------------" _______________________________________________ directfb-users mailing list [email protected] http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
