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nir_to_tgsi: Add support for FBFETCH.

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Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15014>
This commit is contained in:
Emma Anholt 2022-01-05 11:40:32 -08:00 • committed by Marge Bot
parent eaf6e3d3af
commit b995a8eba4
2 changed files with 11 additions and 4 deletions
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13
src/gallium/auxiliary/nir/nir_to_tgsi.c
View file

@ -2226,11 +2226,13 @@ ntt_emit_store_output(struct ntt_compile *c, nir_intrinsic_instr *instr)
static void
ntt_emit_load_output(struct ntt_compile *c, nir_intrinsic_instr *instr)
{
/* ntt_try_store_in_tgsi_output() optimization is not valid if load_output
* is present.
nir_io_semantics semantics = nir_intrinsic_io_semantics(instr);
/* ntt_try_store_in_tgsi_output() optimization is not valid if normal
* load_output is present.
*/
assert(c->s->info.stage != MESA_SHADER_VERTEX &&
c->s->info.stage != MESA_SHADER_FRAGMENT);
(c->s->info.stage != MESA_SHADER_FRAGMENT || semantics.fb_fetch_output));
uint32_t frac;
struct ureg_dst out = ntt_output_decl(c, instr, &frac);
@ -2242,7 +2244,10 @@ ntt_emit_load_output(struct ntt_compile *c, nir_intrinsic_instr *instr)
out = ntt_ureg_dst_indirect(c, out, instr->src[0]);
}
ntt_MOV(c, ntt_get_dest(c, &instr->dest), ureg_src(out));
if (semantics.fb_fetch_output)
ntt_FBFETCH(c, ntt_get_dest(c, &instr->dest), ureg_src(out));
else
ntt_MOV(c, ntt_get_dest(c, &instr->dest), ureg_src(out));
}
static void

2
src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
View file

@ -204,6 +204,8 @@ OP11(INTERP_CENTROID)
OP12(INTERP_SAMPLE)
OP12(INTERP_OFFSET)
OP11(FBFETCH)
#undef OP00
#undef OP01
#undef OP10