On Tue, Jul 26, 2016 at 03:11:07PM -0700, Jason Ekstrand wrote:
> At one point, we were doing this correctly. It must have gotten lost in
> one of the many rebases.
> ---
> src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 6 +++++-
> 1 file changed, 5 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 1911eef..330291c 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> @@ -3208,6 +3208,9 @@ intel_miptree_get_aux_isl_surf(struct brw_context *brw,
> return;
> }
>
> + /* Start with a copy of the original surface. */
> + intel_miptree_get_isl_surf(brw, mt, surf);
I don't understand why this is needed here. Just in the beginning of this
function 'surf' is set against the mcs_mt (calls
intel_miptree_get_isl_surf(brw, mt->mcs_mt, surf)).
> +
> /* Figure out the format and tiling of the auxiliary surface */
> switch (*usage) {
> case ISL_AUX_USAGE_NONE:
> @@ -3294,7 +3297,8 @@ intel_miptree_get_aux_isl_surf(struct brw_context *brw,
> * in elements of the primary color surface so we have to divide by the
> * compression block height.
> */
> - surf->array_pitch_el_rows = mt->qpitch /
> isl_format_get_layout(surf->format)->bh;
> + surf->array_pitch_el_rows =
> + mt->mcs_mt->qpitch / isl_format_get_layout(surf->format)->bh;
> }
>
> union isl_color_value
> --
> 2.5.0.400.gff86faf
>
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