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iris: Drop sprite coord checks from SBE_SWIZ setup

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The "override with a constant" handling appears to take precedence over
the "override with point sprite coordinates" handling.  Because we were
overriding undefined inputs to <0, 0, 0, 1>, we needed to avoid this for
sprite coordinates, as they aren't written by a previous stage, but
shouldn't be overridden to zero.

Now that we've dropped that in the previous patch, there's no need to
special case sprite coordinates any longer.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38121>
This commit is contained in:
Kenneth Graunke 2026-02-04 14:45:27 -08:00
parent 4aaa19c3e7
commit b17df36529
1 changed files with 2 additions and 7 deletions
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9
src/gallium/drivers/iris/iris_state.c
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@ -4824,8 +4824,7 @@ static void
iris_emit_sbe_swiz(struct iris_batch *batch,
const struct iris_context *ice,
const struct intel_vue_map *vue_map,
unsigned urb_read_offset,
unsigned sprite_coord_enables)
unsigned urb_read_offset)
{
struct GENX(SF_OUTPUT_ATTRIBUTE_DETAIL) attr_overrides[16] = {};
const struct iris_fs_data *fs_data =
@ -4844,9 +4843,6 @@ iris_emit_sbe_swiz(struct iris_batch *batch,
&attr_overrides[input_index];
int slot = vue_map->varying_to_slot[fs_attr];
if (sprite_coord_enables & (1 << input_index))
continue;
/* If there was only a back color written but not front, use back
* as the color instead of undefined.
*/
@ -4972,8 +4968,7 @@ iris_emit_sbe(struct iris_batch *batch, const struct iris_context *ice)
}
}
iris_emit_sbe_swiz(batch, ice, last_vue_map, urb_read_offset,
sprite_coord_overrides);
iris_emit_sbe_swiz(batch, ice, last_vue_map, urb_read_offset);
}
/* ------------------------------------------------------------------- */