fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-07 07:08:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

nir/builder: Teach nir_pack_bits and nir_unpack_bits about 32_4x8

Browse source 
Also teach it how to pack and unpack 32-bits to or from 32-bits.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24741>
This commit is contained in:
Ian Romanick 2023-07-21 16:01:31 -07:00 • committed by Marge Bot
parent 25743209c4
commit 52ee4cf229
1 changed files with 15 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/compiler/nir/nir_builder.h
View file

@ -1122,8 +1122,13 @@ nir_pack_bits(nir_builder *b, nir_def *src, unsigned dest_bit_size)
break; break;
case 32: case 32:
if (src->bit_size == 16) switch (src->bit_size) {
return nir_pack_32_2x16(b, src); case 32: return src;
case 16: return nir_pack_32_2x16(b, src);
case 8: return nir_pack_32_4x8(b, src);
default: break;
}
break; break;
default: default:
@ -1144,7 +1149,7 @@ static inline nir_def *
nir_unpack_bits(nir_builder *b, nir_def *src, unsigned dest_bit_size) nir_unpack_bits(nir_builder *b, nir_def *src, unsigned dest_bit_size)
{ {
assert(src->num_components == 1); assert(src->num_components == 1);
assert(src->bit_size > dest_bit_size); assert(src->bit_size >= dest_bit_size);
const unsigned dest_num_components = src->bit_size / dest_bit_size; const unsigned dest_num_components = src->bit_size / dest_bit_size;
assert(dest_num_components <= NIR_MAX_VEC_COMPONENTS); assert(dest_num_components <= NIR_MAX_VEC_COMPONENTS);
@ -1161,8 +1166,13 @@ nir_unpack_bits(nir_builder *b, nir_def *src, unsigned dest_bit_size)
break; break;
case 32: case 32:
if (dest_bit_size == 16) switch (dest_bit_size) {
return nir_unpack_32_2x16(b, src); case 32: return src;
case 16: return nir_unpack_32_2x16(b, src);
case 8: return nir_unpack_32_4x8(b, src);
default: break;
}
break; break;
default: default: