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spirv: Count variables *after* unused ones are removed

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Previous code was counting more variables than those used by the entry
point.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8456>
This commit is contained in:
Caio Marcelo de Oliveira Filho
2021-01-12 10:25:58 -08:00
committed by Marge Bot
parent cc98ba2eaf
commit e3abbe7a24
2 changed files with 16 additions and 6 deletions
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16
src/compiler/spirv/spirv_to_nir.c
View File

@@ -5991,6 +5991,22 @@ spirv_to_nir(const uint32_t *words, size_t word_count,
b->vars_used_indirectly ? &dead_opts : NULL);
}
nir_foreach_variable_in_shader(var, b->shader) {
switch (var->data.mode) {
case nir_var_mem_ubo:
b->shader->info.num_ubos++;
break;
case nir_var_mem_ssbo:
b->shader->info.num_ssbos++;
break;
case nir_var_mem_push_const:
vtn_assert(b->shader->num_uniforms == 0);
b->shader->num_uniforms =
glsl_get_explicit_size(glsl_without_array(var->type), false);
break;
}
}
/* We sometimes generate bogus derefs that, while never used, give the
* validator a bit of heartburn. Run dead code to get rid of them.
*/

6
src/compiler/spirv/vtn_variables.c
View File

@@ -1767,7 +1767,6 @@ vtn_create_variable(struct vtn_builder *b, struct vtn_value *val,
case vtn_variable_mode_ubo:
/* There's no other way to get vtn_variable_mode_ubo */
vtn_assert(without_array->block);
b->shader->info.num_ubos++;
break;
case vtn_variable_mode_ssbo:
if (storage_class == SpvStorageClassStorageBuffer &&
@@ -1785,11 +1784,6 @@ vtn_create_variable(struct vtn_builder *b, struct vtn_value *val,
"have a struct type with the Block decoration");
}
}
b->shader->info.num_ssbos++;
break;
case vtn_variable_mode_push_constant:
b->shader->num_uniforms =
glsl_get_explicit_size(without_array->type, false);
break;
case vtn_variable_mode_generic: