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nak: Drop lower_io_arrays_to_elements_no_indirects for FS outputs

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All we really need is for them to have no indirects which we can ensure
via nir_lower_indirect_derefs.  Splitting into individual variables is a
relic of older attempts at FS output lowering and not needed.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28377>
This commit is contained in:
Faith Ekstrand 2024-03-25 13:02:59 -05:00 • committed by Marge Bot
parent d4ac4ce112
commit a1e8bba7fa
1 changed files with 2 additions and 3 deletions
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5
src/nouveau/compiler/nak_nir.c
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@ -687,8 +687,6 @@ nak_nir_lower_fs_outputs(nir_shader *nir)
if (nir->info.outputs_written == 0)
return false;
NIR_PASS_V(nir, nir_lower_io_arrays_to_elements_no_indirects, true);
NIR_PASS_V(nir, nir_lower_io, nir_var_shader_out, type_size_vec4, 0);
NIR_PASS_V(nir, nir_shader_intrinsics_pass, lower_fs_output_intrin,
@ -930,7 +928,8 @@ nak_postprocess_nir(nir_shader *nir,
break;
case MESA_SHADER_FRAGMENT:
OPT(nir, nir_lower_indirect_derefs, nir_var_shader_in, UINT32_MAX);
OPT(nir, nir_lower_indirect_derefs,
nir_var_shader_in | nir_var_shader_out, UINT32_MAX);
OPT(nir, nak_nir_lower_varyings, nir_var_shader_in);
OPT(nir, nir_opt_constant_folding);
OPT(nir, nak_nir_lower_fs_inputs, nak, fs_key);