<p dir="ltr">On Nov 24, 2016 6:06 AM, "Topi Pohjolainen" <<a href="mailto:topi.pohjolainen@gmail.com">topi.pohjolainen@gmail.com</a>> wrote:<br>
><br>
> Note that RESOLVED is not tracked in the map explicitly. Absence<br>
> of item implicitly means RESOLVED state.<br>
><br>
> v2: Added intel_resolve_map_clear() into intel_miptree_release()<br>
> v3 (Jason): Properly handle the assumption of resolve map not<br>
> containing any items with state RESOLVED. Removed<br>
> unnecessary intel_miptree_set_fast_clear_state() call<br>
> in brw_blorp_resolve_color() preventing<br>
> intel_miptree_set_fast_clear_state() from asserting<br>
> against RESOLVED.<br>
><br>
> Signed-off-by: Topi Pohjolainen <<a href="mailto:topi.pohjolainen@intel.com">topi.pohjolainen@intel.com</a>><br>
> Reviewed-by: Jason Ekstrand <<a href="mailto:jason@jlekstrand.net">jason@jlekstrand.net</a>> (v1)<br>
> ---<br>
> src/mesa/drivers/dri/i965/brw_blorp.c | 3 -<br>
> src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 79 ++++++++++++++++++++-------<br>
> src/mesa/drivers/dri/i965/intel_mipmap_tree.h | 16 +++---<br>
> 3 files changed, 68 insertions(+), 30 deletions(-)<br>
><br>
> diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c b/src/mesa/drivers/dri/i965/brw_blorp.c<br>
> index 67f4cce..d900e15 100644<br>
> --- a/src/mesa/drivers/dri/i965/brw_blorp.c<br>
> +++ b/src/mesa/drivers/dri/i965/brw_blorp.c<br>
> @@ -969,9 +969,6 @@ brw_blorp_resolve_color(struct brw_context *brw, struct intel_mipmap_tree *mt,<br>
> brw_blorp_to_isl_format(brw, format, true),<br>
> resolve_op);<br>
> blorp_batch_finish(&batch);<br>
> -<br>
> - intel_miptree_set_fast_clear_state(mt, level, layer, 1,<br>
> - INTEL_FAST_CLEAR_STATE_RESOLVED);<br>
> }<br>
><br>
> static void<br>
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c<br>
> index a5913bc..d629901 100644<br>
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c<br>
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c<br>
> @@ -397,11 +397,11 @@ intel_miptree_create_layout(struct brw_context *brw,<br>
> mt->logical_width0 = width0;<br>
> mt->logical_height0 = height0;<br>
> mt->logical_depth0 = depth0;<br>
> - mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;<br>
> mt->disable_aux_buffers = (layout_flags & MIPTREE_LAYOUT_DISABLE_AUX) != 0;<br>
> mt->no_ccs = true;<br>
> mt->is_scanout = (layout_flags & MIPTREE_LAYOUT_FOR_SCANOUT) != 0;<br>
> exec_list_make_empty(&mt->hiz_map);<br>
> + exec_list_make_empty(&mt->color_resolve_map);<br>
> mt->cpp = _mesa_get_format_bytes(format);<br>
> mt->num_samples = num_samples;<br>
> mt->compressed = _mesa_is_format_compressed(format);<br>
> @@ -933,7 +933,7 @@ intel_update_winsys_renderbuffer_miptree(struct brw_context *intel,<br>
> */<br>
> if (intel_tiling_supports_non_msrt_mcs(intel, singlesample_mt->tiling) &&<br>
> intel_miptree_supports_non_msrt_fast_clear(intel, singlesample_mt)) {<br>
> - singlesample_mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;<br>
> + singlesample_mt->no_ccs = false;<br>
> }<br>
><br>
> if (num_samples == 0) {<br>
> @@ -1048,6 +1048,7 @@ intel_miptree_release(struct intel_mipmap_tree **mt)<br>
> free((*mt)->mcs_buf);<br>
> }<br>
> intel_resolve_map_clear(&(*mt)->hiz_map);<br>
> + intel_resolve_map_clear(&(*mt)->color_resolve_map);<br>
><br>
> intel_miptree_release(&(*mt)->plane[0]);<br>
> intel_miptree_release(&(*mt)->plane[1]);<br>
> @@ -1633,7 +1634,12 @@ intel_miptree_alloc_mcs(struct brw_context *brw,<br>
> return false;<br>
><br>
> intel_miptree_init_mcs(brw, mt, 0xFF);<br>
> - mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_CLEAR;<br>
> +<br>
> + /* Multisampled miptrees are only supported for single level. */<br>
> + assert(mt->first_level == 0);<br>
> + intel_miptree_set_fast_clear_state(mt, mt->first_level, 0,<br>
> + mt->logical_depth0,<br>
> + INTEL_FAST_CLEAR_STATE_CLEAR);<br>
><br>
> return true;<br>
> }<br>
> @@ -1713,7 +1719,6 @@ intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,<br>
> * Software needs to initialize MCS with zeros."<br>
> */<br>
> intel_miptree_init_mcs(brw, mt, 0);<br>
> - mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;<br>
> mt->msaa_layout = INTEL_MSAA_LAYOUT_CMS;<br>
> }<br>
><br>
> @@ -2209,7 +2214,15 @@ enum intel_fast_clear_state<br>
> intel_miptree_get_fast_clear_state(const struct intel_mipmap_tree *mt,<br>
> unsigned level, unsigned layer)<br>
> {<br>
> - return mt->fast_clear_state;<br>
> + intel_miptree_check_level_layer(mt, level, layer);<br>
> +<br>
> + const struct intel_resolve_map *item =<br>
> + intel_resolve_map_const_get(&mt->color_resolve_map, level, layer);<br>
> +<br>
> + if (!item)<br>
> + return INTEL_FAST_CLEAR_STATE_RESOLVED;<br>
> +<br>
> + return item->fast_clear_state;<br>
> }<br>
><br>
> static void<br>
> @@ -2240,11 +2253,18 @@ intel_miptree_set_fast_clear_state(struct intel_mipmap_tree *mt,<br>
> unsigned num_layers,<br>
> enum intel_fast_clear_state new_state)<br>
> {<br>
> + /* Setting the state to resolved means removing the item from the list<br>
> + * altogether.<br>
> + */<br>
> + assert(new_state != INTEL_FAST_CLEAR_STATE_RESOLVED);</p>
<p dir="ltr">I'm honestly a bit surprised that nothing calls this to set RESOLVED but if it passes Jenkins, I'll believe it.</p>
<p dir="ltr">Series is</p>
<p dir="ltr">Reviewed-by: Jason Ekstrand <<a href="mailto:jason@jlekstrand.net">jason@jlekstrand.net</a>></p>
<p dir="ltr">> +<br>
> intel_miptree_check_color_resolve(mt, level, first_layer);<br>
><br>
> assert(first_layer + num_layers <= mt->physical_depth0);<br>
><br>
> - mt->fast_clear_state = new_state;<br>
> + for (unsigned i = 0; i < num_layers; i++)<br>
> + intel_resolve_map_set(&mt->color_resolve_map, level,<br>
> + first_layer + i, new_state);<br>
> }<br>
><br>
> bool<br>
> @@ -2252,7 +2272,9 @@ intel_miptree_has_color_unresolved(const struct intel_mipmap_tree *mt,<br>
> unsigned start_level, unsigned num_levels,<br>
> unsigned start_layer, unsigned num_layers)<br>
> {<br>
> - return mt->fast_clear_state != INTEL_FAST_CLEAR_STATE_RESOLVED;<br>
> + return intel_resolve_map_find_any(&mt->color_resolve_map,<br>
> + start_level, num_levels,<br>
> + start_layer, num_layers) != NULL;<br>
> }<br>
><br>
> void<br>
> @@ -2316,19 +2338,27 @@ intel_miptree_resolve_color(struct brw_context *brw,<br>
> if (!intel_miptree_needs_color_resolve(brw, mt, flags))<br>
> return false;<br>
><br>
> - switch (mt->fast_clear_state) {<br>
> - case INTEL_FAST_CLEAR_STATE_RESOLVED:<br>
> - /* No resolve needed */<br>
> - return false;<br>
> - case INTEL_FAST_CLEAR_STATE_UNRESOLVED:<br>
> - case INTEL_FAST_CLEAR_STATE_CLEAR:<br>
> - /* For now arrayed fast clear is not supported. */<br>
> - assert(num_layers == 1);<br>
> - brw_blorp_resolve_color(brw, mt, level, start_layer);<br>
> - return true;<br>
> - default:<br>
> - unreachable("Invalid fast clear state");<br>
> + /* For now arrayed fast clear is not supported. */<br>
> + assert(num_layers == 1);<br>
> +<br>
> + bool resolved = false;<br>
> + for (unsigned i = 0; i < num_layers; ++i) {<br>
> + intel_miptree_check_level_layer(mt, level, start_layer + i);<br>
> +<br>
> + struct intel_resolve_map *item =<br>
> + intel_resolve_map_get(&mt->color_resolve_map, level,<br>
> + start_layer + i);<br>
> +<br>
> + if (item) {<br>
> + assert(item->fast_clear_state != INTEL_FAST_CLEAR_STATE_RESOLVED);<br>
> +<br>
> + brw_blorp_resolve_color(brw, mt, level, start_layer);<br>
> + intel_resolve_map_remove(item);<br>
> + resolved = true;<br>
> + }<br>
> }<br>
> +<br>
> + return resolved;<br>
> }<br>
><br>
> void<br>
> @@ -2336,7 +2366,16 @@ intel_miptree_all_slices_resolve_color(struct brw_context *brw,<br>
> struct intel_mipmap_tree *mt,<br>
> int flags)<br>
> {<br>
> - intel_miptree_resolve_color(brw, mt, 0, 0, 1, flags);<br>
> + if (!intel_miptree_needs_color_resolve(brw, mt, flags))<br>
> + return;<br>
> +<br>
> + foreach_list_typed_safe(struct intel_resolve_map, map, link,<br>
> + &mt->color_resolve_map) {<br>
> + assert(map->fast_clear_state != INTEL_FAST_CLEAR_STATE_RESOLVED);<br>
> +<br>
> + brw_blorp_resolve_color(brw, mt, map->level, map->layer);<br>
> + intel_resolve_map_remove(map);<br>
> + }<br>
> }<br>
><br>
> /**<br>
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h<br>
> index 02f131c..29d0e2f 100644<br>
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h<br>
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h<br>
> @@ -554,15 +554,22 @@ struct intel_mipmap_tree<br>
> struct intel_miptree_hiz_buffer *hiz_buf;<br>
><br>
> /**<br>
> - * \brief Map of miptree slices to needed resolves.<br>
> + * \brief Maps of miptree slices to needed resolves.<br>
> *<br>
> - * This is used only when the miptree has a child HiZ miptree.<br>
> + * hiz_map is used only when the miptree has a child HiZ miptree.<br>
> *<br>
> * Let \c mt be a depth miptree with HiZ enabled. Then the resolve map is<br>
> * \c mt->hiz_map. The resolve map of the child HiZ miptree, \c<br>
> * mt->hiz_mt->hiz_map, is unused.<br>
> + *<br>
> + *<br>
> + * color_resolve_map is used only when the miptree uses fast clear (Gen7+)<br>
> + * lossless compression (Gen9+). It should be noted that absence in the<br>
> + * map means implicitly RESOLVED state. If item is found it always<br>
> + * indicates state other than RESOLVED.<br>
> */<br>
> struct exec_list hiz_map; /* List of intel_resolve_map. */<br>
> + struct exec_list color_resolve_map; /* List of intel_resolve_map. */<br>
><br>
> /**<br>
> * \brief Stencil miptree for depthstencil textures.<br>
> @@ -606,11 +613,6 @@ struct intel_mipmap_tree<br>
> struct intel_mipmap_tree *plane[2];<br>
><br>
> /**<br>
> - * Fast clear state for this buffer.<br>
> - */<br>
> - enum intel_fast_clear_state fast_clear_state;<br>
> -<br>
> - /**<br>
> * The SURFACE_STATE bits associated with the last fast color clear to this<br>
> * color mipmap tree, if any.<br>
> *<br>
> --<br>
> 2.5.5<br>
><br>
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