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nir/lower_io_arrays: Fix xfb_offset bug

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I noticed this once I started gathering xfb_info after
nir_lower_io_arrays_to_elements_no_indirect.

Fixes: b2bbd978d0 ("nir: fix lowering arrays to elements for XFB outputs")
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6514>
(cherry picked from commit 5a88db682e)
This commit is contained in:
Connor Abbott 2020-08-21 15:51:47 +02:00 • committed by Eric Engestrom
parent 30b256c21e
commit e1f6000b54
2 changed files with 2 additions and 2 deletions
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2
.pick_status.json
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@ -211,7 +211,7 @@
"description": "nir/lower_io_arrays: Fix xfb_offset bug",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": "b2bbd978d0b1c85919c6f3b5f631b3c6cbaaaf8a"
},

2
src/compiler/nir/nir_lower_io_arrays_to_elements.c
View file

@ -61,7 +61,7 @@ get_io_offset(nir_builder *b, nir_deref_instr *deref, nir_variable *var,
unsigned size = glsl_count_attribute_slots((*p)->type, false);
offset += size * index;
xfb_offset += index * glsl_get_component_slots((*p)->type) * 4;
*xfb_offset += index * glsl_get_component_slots((*p)->type) * 4;
unsigned num_elements = glsl_type_is_array((*p)->type) ?
glsl_get_aoa_size((*p)->type) : 1;