Acked-by: Maarten Maathuis <[email protected]>
2009/12/28 Michel Dänzer <[email protected]>: > On Mon, 2009-12-28 at 13:27 +0100, Maarten Maathuis wrote: >> Why does it help to allocate the sys_ptr up front, why does that avoid >> migration (i would except sys_ptr to be allocated when needed)? > > If the system copy is only allocated on a software fallback, the GPU > copy still needs to be read back at that point. The purpose of all this > code is to avoid that by keeping both copies in sync all the time. > > > -- > Earthling Michel Dänzer | http://www.vmware.com > Libre software enthusiast | Debian, X and DRI developer > _______________________________________________ xorg-devel mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-devel
