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pan/bi: Vectorize UBOs load/store

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We can benifit from it, let's allow it when we aren't forced to follow
robustness2.

Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Eric R. Smith <eric.smith@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36629>
This commit is contained in:
Mary Guillemard
2025-07-29 14:32:07 +00:00
committed by Marge Bot
parent b4ce8998d7
commit 9ec1bb0111
1 changed files with 13 additions and 7 deletions
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20
src/panfrost/compiler/bifrost_compile.c
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@@ -5455,13 +5455,19 @@ bi_optimize_nir(nir_shader *nir, unsigned gpu_id, nir_variable_mode robust2_mode
NIR_PASS(progress, nir, nir_opt_loop_unroll);
} while (progress);
NIR_PASS(
progress, nir, nir_opt_load_store_vectorize,
&(const nir_load_store_vectorize_options){
.modes = nir_var_mem_global | nir_var_mem_shared | nir_var_shader_temp,
.robust_modes = robust2_modes,
.callback = mem_vectorize_cb,
});
nir_load_store_vectorize_options vectorize_opts = {
.modes = nir_var_mem_global |
nir_var_mem_shared |
nir_var_shader_temp,
.callback = mem_vectorize_cb,
.robust_modes = robust2_modes,
};
/* Only allow vectorization of UBOs when no robustness2 is configured */
if (!(robust2_modes & nir_var_mem_ubo))
vectorize_opts.modes |= nir_var_mem_ubo;
NIR_PASS(progress, nir, nir_opt_load_store_vectorize, &vectorize_opts);
NIR_PASS(progress, nir, nir_lower_pack);
/* nir_lower_pack can generate split operations, execute algebraic again to