fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 04:48:08 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

pan/nir/tex: Support full index+offset

Browse source 
Previously, we only supported one of the index or the offset source and
relied on lower_index_to_offset to ensure we only had one or the other.
However, now that we're doing things in NIR, it's trivial to support the
full index+offset form.

Reviewed-by: Ryan Mckeever <ryan.mckeever@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41320>
This commit is contained in:
Faith Ekstrand 2026-05-04 19:41:34 -04:00 • committed by Marge Bot
parent 61acf0e781
commit c73d4e14f9
1 changed files with 11 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
src/panfrost/compiler/pan_nir_lower_tex.c
View file

@ -22,6 +22,15 @@ struct tex_srcs {
nir_def *z_cmpr;
};
static nir_def *
combine_index(nir_builder *b, nir_def *offset, uint32_t index)
{
if (offset)
return nir_iadd_imm(b, offset, index);
else
return nir_imm_int(b, index);
}
static struct tex_srcs
steal_tex_srcs(nir_builder *b, nir_tex_instr *tex)
{
@ -50,13 +59,8 @@ steal_tex_srcs(nir_builder *b, nir_tex_instr *tex)
}
tex->num_srcs = 0;
/* If we don't have a texture or sampler handle, grab it from the
* immediate texture/sampler_index.
*/
if (!srcs.tex_h)
srcs.tex_h = nir_imm_int(b, tex->texture_index);
if (!srcs.samp_h)
srcs.samp_h = nir_imm_int(b, tex->sampler_index);
srcs.tex_h = combine_index(b, srcs.tex_h, tex->texture_index);
srcs.samp_h = combine_index(b, srcs.samp_h, tex->sampler_index);
return srcs;
}