[Mesa-dev] [PATCH 2/2] radeonsi: Use htile_buffer for depth only when there is no stencil.

[Marek Olšák]

Pushed, thanks.

Marek

On Sat, Dec 21, 2013 at 9:11 PM, Andreas Hartmetz <ahartmetz at gmail.com> wrote:
> ---
>  src/gallium/drivers/radeonsi/si_state.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
> index d7d8317..5640013 100644
> --- a/src/gallium/drivers/radeonsi/si_state.c
> +++ b/src/gallium/drivers/radeonsi/si_state.c
> @@ -1819,6 +1819,8 @@ static void si_db(struct r600_context *rctx, struct si_pm4_state *pm4,
>         /* HiZ aka depth buffer htile */
>         /* use htile only for first level */
>         if (rtex->htile_buffer && !level) {
> +               const struct util_format_description *fmt_desc;
> +
>                 z_info |= S_028040_TILE_SURFACE_ENABLE(1);
>
>                 /* This is optimal for the clear value of 1.0 and using
> @@ -1827,6 +1829,12 @@ static void si_db(struct r600_context *rctx, struct si_pm4_state *pm4,
>                  * clearing. */
>                 z_info |= S_028040_ZRANGE_PRECISION(1);
>
> +               fmt_desc = util_format_description(rtex->resource.b.b.format);
> +               if (!util_format_has_stencil(fmt_desc)) {
> +                       /* Use all of the htile_buffer for depth */
> +                       s_info |= S_028044_TILE_STENCIL_DISABLE(1);
> +               }
> +
>                 uint64_t va = r600_resource_va(&rctx->screen->b.b, &rtex->htile_buffer->b.b);
>                 db_htile_data_base = va >> 8;
>                 db_htile_surface = S_028ABC_FULL_CACHE(1);
> --
> 1.8.3.2
>
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