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intel/nir: Use txf builder in intel_nir_lower_sparse

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Newer helpers make NIR easier to write.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40590>
This commit is contained in:
Kenneth Graunke 2026-03-18 06:11:45 -07:00 • committed by Marge Bot
parent 0bbb48afb4
commit 9d07e85287
1 changed files with 14 additions and 31 deletions
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45
src/intel/compiler/intel_nir_lower_sparse.c
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@ -93,29 +93,13 @@ lower_sparse_image_load(nir_builder *b, nir_intrinsic_instr *intrin)
dests[i] = nir_channel(b, img_load, i);
}
const bool bindless =
intrin->intrinsic == nir_intrinsic_bindless_image_sparse_load;
/* Use texture instruction to compute residency */
nir_tex_instr *tex = nir_tex_instr_create(b->shader, 3);
tex->op = nir_texop_txf;
/* We don't care about the dest type since we're not using any of that
* data.
*/
tex->dest_type = nir_type_float32;
tex->is_array = nir_intrinsic_image_array(intrin);
tex->is_shadow = false;
tex->sampler_index = 0;
tex->is_sparse = true;
tex->src[0].src_type = intrin->intrinsic == nir_intrinsic_image_sparse_load ?
nir_tex_src_texture_offset :
nir_tex_src_texture_handle;
tex->src[0].src = nir_src_for_ssa(intrin->src[0].ssa);
tex->coord_components = nir_image_intrinsic_coord_components(intrin);
nir_def *coord;
if (nir_intrinsic_image_dim(intrin) == GLSL_SAMPLER_DIM_CUBE &&
nir_intrinsic_image_array(intrin)) {
tex->coord_components++;
nir_def *img_layer = nir_channel(b, intrin->src[1].ssa, 2);
nir_def *tex_slice = nir_idiv(b, img_layer, nir_imm_int(b, 6));
@ -129,21 +113,20 @@ lower_sparse_image_load(nir_builder *b, nir_intrinsic_instr *intrin)
};
coord = nir_vec(b, comps, 4);
} else {
coord = nir_channels(b, intrin->src[1].ssa,
nir_component_mask(tex->coord_components));
const unsigned comps = nir_image_intrinsic_coord_components(intrin);
coord = nir_channels(b, intrin->src[1].ssa, nir_component_mask(comps));
}
tex->src[1].src_type = nir_tex_src_coord;
tex->src[1].src = nir_src_for_ssa(coord);
tex->src[2].src_type = nir_tex_src_lod;
tex->src[2].src = nir_src_for_ssa(nir_imm_int(b, 0));
nir_def *txf =
nir_txf(b, coord,
.texture_offset = bindless ? NULL : intrin->src[0].ssa,
.texture_handle = bindless ? intrin->src[0].ssa : NULL,
.dim = nir_intrinsic_image_dim(intrin),
.dest_type = nir_type_float32, /* dest is unused */
.is_array = nir_intrinsic_image_array(intrin),
.is_sparse = true);
nir_def_init(&tex->instr, &tex->def, 5,
intrin->def.bit_size);
nir_builder_instr_insert(b, &tex->instr);
dests[intrin->num_components - 1] = nir_channel(b, &tex->def, 4);
dests[intrin->num_components - 1] = nir_channel(b, txf, 4);
nir_def_rewrite_uses(
&intrin->def,