nir: Add nir_address_format_null_value()

Returns the nir_const_value * with the representation of the NULL pointer for each address format. Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
2019-05-01 14:44:15 -07:00
parent 31a7476335
commit f051fa6ad7
2 changed files with 22 additions and 0 deletions
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -3165,6 +3165,8 @@ nir_address_format_to_glsl_type(nir_address_format addr_format)
                           nir_address_format_num_components(addr_format));
 }

+const nir_const_value *nir_address_format_null_value(nir_address_format addr_format);
+
 nir_ssa_def * nir_explicit_io_address_from_deref(struct nir_builder *b,
                                                 nir_deref_instr *deref,
                                                 nir_ssa_def *base_addr,