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ir3: Stop using nir_legalize_16bit_sampler_srcs.

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nir_fold_16bit_tex_image's only_fold_all option ensures that there is never
a mix of bit sizes.

Closes https://gitlab.freedesktop.org/mesa/mesa/-/issues/6899

Signed-off-by: Georg Lehmann <dadschoorse@gmail.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16978>
This commit is contained in:
Georg Lehmann 2022-07-21 15:04:48 +02:00 • committed by Marge Bot
parent a93786fc26
commit 775578b885
1 changed files with 2 additions and 23 deletions
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25
src/freedreno/ir3/ir3_nir.c
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@ -776,11 +776,13 @@ ir3_nir_lower_variant(struct ir3_shader_variant *so, nir_shader *s)
.src_types = (1 << nir_tex_src_coord) |
(1 << nir_tex_src_lod) |
(1 << nir_tex_src_bias) |
(1 << nir_tex_src_offset) |
(1 << nir_tex_src_comparator) |
(1 << nir_tex_src_min_lod) |
(1 << nir_tex_src_ms_index) |
(1 << nir_tex_src_ddx) |
(1 << nir_tex_src_ddy),
.only_fold_all = true,
};
struct nir_fold_16bit_tex_image_options fold_16bit_options = {
.rounding_mode = nir_rounding_mode_rtz,
@ -791,29 +793,6 @@ ir3_nir_lower_variant(struct ir3_shader_variant *so, nir_shader *s)
.fold_srcs_options = &fold_srcs_options,
};
OPT(s, nir_fold_16bit_tex_image, &fold_16bit_options);
/* Now that we stripped off the 16-bit conversions, legalize so that we
* don't have a mix of 16- and 32-bit args that will need to be
* collected together in the coordinate vector.
*/
nir_tex_src_type_constraints tex_constraints = {
[nir_tex_src_lod] = {true, 0, nir_tex_src_coord},
[nir_tex_src_bias] = {true, 0, nir_tex_src_coord},
[nir_tex_src_offset] = {true, 0, nir_tex_src_coord},
[nir_tex_src_comparator] = {true, 0, nir_tex_src_coord},
[nir_tex_src_min_lod] = {true, 0, nir_tex_src_coord},
[nir_tex_src_ms_index] = {true, 0, nir_tex_src_coord},
[nir_tex_src_ddx] = {true, 0, nir_tex_src_coord},
[nir_tex_src_ddy] = {true, 0, nir_tex_src_coord},
};
bool scalarize = false;
NIR_PASS(scalarize, s, nir_legalize_16bit_sampler_srcs, tex_constraints);
if (scalarize) {
OPT(s, nir_lower_alu_to_scalar, NULL, NULL);
}
}
OPT_V(s, nir_opt_constant_folding);
OPT_V(s, nir_copy_prop);