[Mesa-dev] [PATCH 10/16] i965: Add function to copy a stencil miptree to an R8_UINT miptree

[Matt Turner]

On Wed, Aug 24, 2016 at 4:55 PM, Jordan Justen
<jordan.l.justen at intel.com> wrote:
> Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
> ---
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 55 ++++++++++++++++++++++++++-
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.h |  4 ++
>  2 files changed, 58 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> index dd6280b..3f23588 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> @@ -674,7 +674,6 @@ miptree_create(struct brw_context *brw,
>
>     etc_format = (format != tex_format) ? tex_format : MESA_FORMAT_NONE;
>
> -   assert((layout_flags & MIPTREE_LAYOUT_DISABLE_AUX) == 0);
>     assert((layout_flags & MIPTREE_LAYOUT_FOR_BO) == 0);
>     mt = intel_miptree_create_layout(brw, target, format,
>                                      first_level, last_level, width0,
> @@ -2282,6 +2281,60 @@ intel_miptree_updownsample(struct brw_context *brw,
>     }
>  }
>
> +void
> +intel_update_r8stencil(struct brw_context *brw,
> +                       struct intel_mipmap_tree *mt)
> +{
> +   assert(brw->gen >= 7);
> +   struct intel_mipmap_tree *src =
> +      mt->format == MESA_FORMAT_S_UINT8 ? mt : mt->stencil_mt;
> +   if (!src || brw->gen >= 8 || !src->r8stencil_needs_update)
> +      return;
> +
> +   if(!mt->r8stencil_mt) {
> +      uint32_t r8stencil_flags =
> +         MIPTREE_LAYOUT_ACCELERATED_UPLOAD | MIPTREE_LAYOUT_TILING_Y |
> +         MIPTREE_LAYOUT_DISABLE_AUX;
> +      assert(brw->gen > 6); /* Handle MIPTREE_LAYOUT_FORCE_ALL_SLICE_AT_LOD */
> +      mt->r8stencil_mt = intel_miptree_create(brw,
> +                                                src->target,
> +                                                MESA_FORMAT_R_UINT8,
> +                                                src->first_level,
> +                                                src->last_level,
> +                                                src->logical_width0,
> +                                                src->logical_height0,
> +                                                src->logical_depth0,
> +                                                src->num_samples,
> +                                                r8stencil_flags);

Indentation here seems off.