On 11/15/2011 09:39 AM, Carlo Ferraresi wrote:
/Hi! I'm working with cairo-directfb and I’m making an application for a TI AM3505 board. I've got some problems with the double buffered surfaces. All the objects the application draws are displayed inside a "bounding box". It seems they’re not flipped in the correct way because they’re clipped inside a rectangle which is filled with the background color of the other buffer.My application is very simple: a DFBSurface is created, a cairo surface is created on it, then something is drawn. The buffers are flipped every 100 ms. Everything works fine on my computer but I’ve got some problems with the board I’m using. Can it be a problem of the omapfb driver? It seems it doesn't flip the whole surface but only the drawn area. Here's my code: DirectFBInit (&argc, &argv); DirectFBCreate (&dfb); dfb->SetCooperativeLevel(dfb,DFSCL_FULLSCREEN); //Applicazione FullScreen, gestione automatica layer dsc.flags=DSDESC_CAPS | DSDESC_PIXELFORMAT; //Campi definiti dalla mia applicazione dsc.caps=DSCAPS_PRIMARY | DSCAPS_DOUBLE; //Superficie primaria e double - buffered dsc.pixelformat=DSPF_ARGB; dfb->CreateSurface(dfb,&dsc,&primary); primary->GetSize(primary, &screen_width,&screen_height); surface = cairo_directfb_surface_create (dfb, primary); cr = cairo_create (surface); while(1) { //DRAW SOMETHING WITH CAIRO usleep(100000); cairo_surface_flush(surface); primary->Flip(primary,NULL,0); } Thank you in advance for help
Is cairo_surface_flush() drawing anything? Please send the log output. We might also disable/enable special omapfb code in DirectFB. -- Best regards, Denis Oliver Kropp .------------------------------------------. | DirectFB - Hardware accelerated graphics | | http://www.directfb.org/ | "------------------------------------------" _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
