On Tue, May 16, 2017 at 11:16 PM, Pohjolainen, Topi <
topi.pohjolai...@gmail.com> wrote:

> On Tue, May 16, 2017 at 03:44:59PM -0700, Jason Ekstrand wrote:
> > The guts of blorp and ISL don't understand i965's partial miptrees.
> > Instead, we need to subtract off first_level before we hand anything off
> > to blorp.
> > ---
> >  src/mesa/drivers/dri/i965/brw_blorp.c | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c
> b/src/mesa/drivers/dri/i965/brw_blorp.c
> > index ebc4612..64aa4c9 100644
> > --- a/src/mesa/drivers/dri/i965/brw_blorp.c
> > +++ b/src/mesa/drivers/dri/i965/brw_blorp.c
> > @@ -271,6 +271,9 @@ blorp_surf_for_miptree(struct brw_context *brw,
> >     }
> >     assert((surf->aux_usage == ISL_AUX_USAGE_NONE) ==
> >            (surf->aux_addr.buffer == NULL));
>
> Here it would be nice to have an assert:
>
>       assert(*level >= mt->first_level);
>

I'm happy to add that explicitly here.  However it is already checked above
by check_level_layer.


> > +
> > +   /* ISL wants real levels, not offset ones. */
> > +   *level -= mt->first_level;
> >  }
> >
> >  static enum isl_format
> > --
> > 2.5.0.400.gff86faf
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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