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nir: Allow 8-bit vertex output stores

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These can never come from the API but there's a few cases where panvk
wants them.

Reviewed-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Acked-by: Eric R. Smith <eric.smith@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38681>
This commit is contained in:
Faith Ekstrand 2025-12-04 12:25:59 -05:00 • committed by Marge Bot
parent a094c15270
commit ceacec4cc9
1 changed files with 1 additions and 4 deletions
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5
src/compiler/nir/nir_validate.c
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@ -657,10 +657,7 @@ validate_intrinsic_instr(nir_intrinsic_instr *instr, validate_state *state)
case nir_intrinsic_store_output:
case nir_intrinsic_store_per_vertex_output:
case nir_intrinsic_store_per_view_output:
if (state->shader->info.stage == MESA_SHADER_FRAGMENT)
validate_assert(state, nir_src_bit_size(instr->src[0]) >= 8);
else
validate_assert(state, nir_src_bit_size(instr->src[0]) >= 16);
validate_assert(state, nir_src_bit_size(instr->src[0]) >= 8);
validate_assert(state,
nir_src_bit_size(instr->src[0]) ==
nir_alu_type_get_type_size(nir_intrinsic_src_type(instr)));