On Sunday, September 5, 2004 8:31 am, Alan Cox wrote: > The only glue structure you need for most of this is > > struct fb_device > { > struct fb_info *fb; /* NULL or frame buffer device */ > struct dri_whatever *dri; /* As yet not nicely extracted DRI > object */ > atomic_t refcnt; > void *private > }; > > Right now the drvdata for most PCI/AGP frame buffers is set to the > fb_info. If that is set to the shared object then you can attach DRI and > or FB first and they can find and call each others methods. > > It might also need a single lock just to avoid DRI deciding to go away > while fb is calling dri and the reverse although I think the refcnt is > easier and cheaper. > > With that in place if X tells DRI "640x480 starting here" then DRI can > tell fb "640x480 starting here". Similarly fb and dri can find each > other for acceleration and the kernel can become a DRI client for > console acceleration. > > Once you have this object you can start attaching memory managers and > mode setup pointers to the shared structure so that they live > independantly.
So then this structure would represent a merged driver? That is, you'd have a driver that attaches to display devices and creates this structure to manage fb and dri? Jesse ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel