[Mesa-dev] [PATCH 13/22] blorp/clear: Add a binding-table-based CCS resolve function
Jason Ekstrand
jason at jlekstrand.net
Wed May 3 00:01:23 UTC 2017
On Thu, Apr 27, 2017 at 11:32 AM, Nanley Chery <nanleychery at gmail.com>
wrote:
> Signed-off-by: Nanley Chery <nanley.g.chery at intel.com>
> ---
> src/intel/blorp/blorp.h | 9 ++++++
> src/intel/blorp/blorp_clear.c | 64 ++++++++++++++++++++++++++++++
> ++-----------
> 2 files changed, 57 insertions(+), 16 deletions(-)
>
> diff --git a/src/intel/blorp/blorp.h b/src/intel/blorp/blorp.h
> index eab75d70ab..8b8227bb1c 100644
> --- a/src/intel/blorp/blorp.h
> +++ b/src/intel/blorp/blorp.h
> @@ -191,6 +191,15 @@ blorp_ccs_resolve(struct blorp_batch *batch,
> enum isl_format format,
> enum blorp_fast_clear_op resolve_op);
>
> +/* Resolves the image subresource specified in the binding table. */
> +void
> +blorp_ccs_resolve_bt(struct blorp_batch *batch,
> + const uint32_t binding_table_offset,
> + struct blorp_surf * const surf,
> + const uint32_t level, const uint32_t layer,
> + const enum isl_format format,
> + const enum blorp_fast_clear_op resolve_op);
>
Other binding-table versions of functions in blorp use the _attachment
suffix instead of _bt.
> +
> /**
> * For an overview of the HiZ operations, see the following sections of
> the
> * Sandy Bridge PRM, Volume 1, Part2:
> diff --git a/src/intel/blorp/blorp_clear.c b/src/intel/blorp/blorp_clear.c
> index 4e834ba123..6204784a7e 100644
> --- a/src/intel/blorp/blorp_clear.c
> +++ b/src/intel/blorp/blorp_clear.c
> @@ -665,20 +665,20 @@ blorp_clear_attachments(struct blorp_batch *batch,
> batch->blorp->exec(batch, ¶ms);
> }
>
> -void
> -blorp_ccs_resolve(struct blorp_batch *batch,
> - struct blorp_surf *surf, uint32_t level, uint32_t layer,
> - enum isl_format format,
> - enum blorp_fast_clear_op resolve_op)
> +static void
> +blorp_ccs_resolve_prepare(struct blorp_batch * const batch,
> + struct blorp_params * const params,
> + const struct blorp_surf * const surf,
> + const uint32_t level, const uint32_t layer,
> + const enum isl_format format,
> + const enum blorp_fast_clear_op resolve_op)
>
Maybe call this prepare_ccs_resolve? Or maybe
blorp_params_init_for_ccs_resolve and do the init in here too?
> {
> - struct blorp_params params;
> - blorp_params_init(¶ms);
>
> /* Layered and mipmapped fast clear is only available from Gen8
> onwards. */
> assert(ISL_DEV_GEN(batch->blorp->isl_dev) >= 8 ||
> (level == 0 && layer == 0));
>
> - brw_blorp_surface_info_init(batch->blorp, ¶ms.dst, surf,
> + brw_blorp_surface_info_init(batch->blorp, ¶ms->dst, surf,
> level, layer, format, true);
>
> /* From the Ivy Bridge PRM, Vol2 Part1 11.9 "Render Target Resolve":
> @@ -691,7 +691,7 @@ blorp_ccs_resolve(struct blorp_batch *batch,
> * multiply by 8 and 16. On Sky Lake, we multiply by 8.
> */
> const struct isl_format_layout *aux_fmtl =
> - isl_format_get_layout(params.dst.aux_surf.format);
> + isl_format_get_layout(params->dst.aux_surf.format);
> assert(aux_fmtl->txc == ISL_TXC_CCS);
>
> unsigned x_scaledown, y_scaledown;
> @@ -705,11 +705,11 @@ blorp_ccs_resolve(struct blorp_batch *batch,
> x_scaledown = aux_fmtl->bw / 2;
> y_scaledown = aux_fmtl->bh / 2;
> }
> - params.x0 = params.y0 = 0;
> - params.x1 = minify(params.dst.aux_surf.logical_level0_px.width,
> level);
> - params.y1 = minify(params.dst.aux_surf.logical_level0_px.height,
> level);
> - params.x1 = ALIGN(params.x1, x_scaledown) / x_scaledown;
> - params.y1 = ALIGN(params.y1, y_scaledown) / y_scaledown;
> + params->x0 = params->y0 = 0;
> + params->x1 = minify(params->dst.aux_surf.logical_level0_px.width,
> level);
> + params->y1 = minify(params->dst.aux_surf.logical_level0_px.height,
> level);
> + params->x1 = ALIGN(params->x1, x_scaledown) / x_scaledown;
> + params->y1 = ALIGN(params->y1, y_scaledown) / y_scaledown;
>
> if (batch->blorp->isl_dev->info->gen >= 9) {
> assert(resolve_op == BLORP_FAST_CLEAR_OP_RESOLVE_FULL ||
> @@ -718,7 +718,7 @@ blorp_ccs_resolve(struct blorp_batch *batch,
> /* Broadwell and earlier do not have a partial resolve */
> assert(resolve_op == BLORP_FAST_CLEAR_OP_RESOLVE_FULL);
> }
> - params.fast_clear_op = resolve_op;
> + params->fast_clear_op = resolve_op;
>
> /* Note: there is no need to initialize push constants because it
> doesn't
> * matter what data gets dispatched to the render target. However, we
> must
> @@ -726,8 +726,40 @@ blorp_ccs_resolve(struct blorp_batch *batch,
> * color" message.
> */
>
> - if (!blorp_params_get_clear_kernel(batch->blorp, ¶ms, true))
> + if (!blorp_params_get_clear_kernel(batch->blorp, params, true))
> return;
> +}
> +
> +void
> +blorp_ccs_resolve(struct blorp_batch *batch,
> + struct blorp_surf *surf, uint32_t level, uint32_t layer,
> + enum isl_format format,
> + enum blorp_fast_clear_op resolve_op)
> +{
> + struct blorp_params params;
> + blorp_params_init(¶ms);
>
I think you can do the init in the prepare function as well.
> +
> + blorp_ccs_resolve_prepare(batch, ¶ms, surf, level, layer, format,
> + resolve_op);
> +
> + batch->blorp->exec(batch, ¶ms);
> +}
> +
> +void
> +blorp_ccs_resolve_bt(struct blorp_batch *batch,
> + const uint32_t binding_table_offset,
> + struct blorp_surf * const surf,
> + const uint32_t level, const uint32_t layer,
> + const enum isl_format format,
> + const enum blorp_fast_clear_op resolve_op)
> +{
> + struct blorp_params params;
> + blorp_params_init(¶ms);
> +
> + params.use_pre_baked_binding_table = true;
> + params.pre_baked_binding_table_offset = binding_table_offset;
>
> + blorp_ccs_resolve_prepare(batch, ¶ms, surf, level, layer, format,
> + resolve_op);
> batch->blorp->exec(batch, ¶ms);
> }
> --
> 2.12.2
>
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