On 19 August 2013 10:52, Stefan Dösinger <stefan at codeweavers.com> wrote: > + volume->flags |= WINED3D_VFLAG_LOCKABLE; /* FIXME */ You'll probably want to fix that :-) I think you can just leave the flag out until you rename it to WINED3D_VFLAG_MAPPABLE in one of the later patches.