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pan/mdg: Use nir_builder for load_sampler_lod_parameters_pan

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Found by code inspection as I need something similar for etnaviv.

Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26879>
This commit is contained in:
Christian Gmeiner 2024-01-03 19:21:51 +01:00 • committed by Marge Bot
parent 4d02543853
commit 1c042537e6
1 changed files with 3 additions and 9 deletions
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12
src/panfrost/midgard/midgard_errata_lod.c
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@ -45,17 +45,11 @@ nir_lod_errata_instr(nir_builder *b, nir_instr *instr, void *data)
if (tex->op != nir_texop_txl)
return false;
/* Let's grab the sampler parameters */
nir_intrinsic_instr *l = nir_intrinsic_instr_create(
b->shader, nir_intrinsic_load_sampler_lod_parameters_pan);
l->num_components = 3;
nir_def_init(&l->instr, &l->def, 3, 32);
/* TODO: Indirect samplers, separate sampler objects XXX */
l->src[0] = nir_src_for_ssa(nir_imm_int(b, tex->texture_index));
nir_def *sampler = nir_imm_int(b, tex->texture_index);
nir_builder_instr_insert(b, &l->instr);
nir_def *params = &l->def;
/* Let's grab the sampler parameters */
nir_def *params = nir_load_sampler_lod_parameters_pan(b, 3, 32, sampler);
/* Extract the individual components */
nir_def *min_lod = nir_channel(b, params, 0);