It's primarily implemented in 3 places. (1) flipping the front and the backbuffer is done via dfb_fbdev_pan. (2) copying (partially updating) back to front is, if you have no hardware optimization, done in generic.c (3) same as 2, but with hardware optimization: somewhere in your gfxdrivers/<yourdriver>.
hth Niels Steven Liu wrote: > Hi all, > > I'm using fbdev now,i have find the function open framebuffer > device ,but i can't find the updatescreen function,is it named > dfb_layer_region_flip_update? > Who can tell me where i can find the updatescreen function. in > fbdev.c?or the others? THX > > > > > > Steven > _______________________________________________ > directfb-users mailing list > directfb-users@directfb.org > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users > > -- .------------------------------------------. | DirectFB - Hardware accelerated graphics | | http://www.directfb.org/ | "------------------------------------------" _______________________________________________ directfb-users mailing list directfb-users@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
