mirror of https://gitlab.freedesktop.org/mesa/mesa
mesa/st: lower base invoc and workgroup id
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Signed-off-by: Karol Herbst <kherbst@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26800>
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@ -627,8 +627,10 @@ st_link_glsl_to_nir(struct gl_context *ctx,
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NIR_PASS(_, nir, st_nir_lower_wpos_ytransform, shader->Program,
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st->screen);
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/* needed to lower base_workgroup_id and base_global_invocation_id */
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struct nir_lower_compute_system_values_options cs_options = {};
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NIR_PASS(_, nir, nir_lower_system_values);
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NIR_PASS(_, nir, nir_lower_compute_system_values, NULL);
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NIR_PASS(_, nir, nir_lower_compute_system_values, &cs_options);
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if (nir->info.io_lowered)
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continue; /* the rest is for non-lowered IO only */
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@ -43,7 +43,12 @@ st_nir_finish_builtin_nir(struct st_context *st, nir_shader *nir)
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NIR_PASS(_, nir, nir_split_var_copies);
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NIR_PASS(_, nir, nir_lower_var_copies);
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NIR_PASS(_, nir, nir_lower_system_values);
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NIR_PASS(_, nir, nir_lower_compute_system_values, NULL);
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struct nir_lower_compute_system_values_options cs_options = {
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.has_base_global_invocation_id = false,
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.has_base_workgroup_id = false,
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};
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NIR_PASS(_, nir, nir_lower_compute_system_values, &cs_options);
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if (nir->options->lower_to_scalar) {
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nir_variable_mode mask =
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@ -382,7 +382,12 @@ st_prog_to_nir_postprocess(struct st_context *st, nir_shader *nir,
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NIR_PASS(_, nir, st_nir_lower_wpos_ytransform, prog, screen);
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NIR_PASS(_, nir, nir_lower_system_values);
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NIR_PASS(_, nir, nir_lower_compute_system_values, NULL);
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struct nir_lower_compute_system_values_options cs_options = {
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.has_base_global_invocation_id = false,
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.has_base_workgroup_id = false,
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};
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NIR_PASS(_, nir, nir_lower_compute_system_values, &cs_options);
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/* Optimise NIR */
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NIR_PASS(_, nir, nir_opt_constant_folding);
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