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asahi: Set GPR count accurately for background/EOT

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Better occupancy, which is especially important when the background shader
does memory access (for reloads). On my 4K monitor, glmark2 -bdesktop fullscreen
from 95fps to 133fps.

At default settings, glmark2 -bterrain from 63fps to 71fps.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19997>
This commit is contained in:
Alyssa Rosenzweig 2022-11-24 12:35:22 -05:00 • committed by Marge Bot
parent bcba473eac
commit b102f045ab
3 changed files with 5 additions and 4 deletions
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5
src/asahi/lib/agx_meta.c
View file

@ -14,7 +14,6 @@ agx_compile_meta_shader(struct agx_meta_cache *cache, nir_shader *shader,
struct agx_shader_key *key,
struct agx_tilebuffer_layout *tib)
{
struct agx_shader_info info = { 0 };
struct util_dynarray binary;
util_dynarray_init(&binary, NULL);
@ -22,9 +21,9 @@ agx_compile_meta_shader(struct agx_meta_cache *cache, nir_shader *shader,
if (tib)
agx_nir_lower_tilebuffer(shader, tib);
agx_compile_shader_nir(shader, key, NULL, &binary, &info);
struct agx_meta_shader *res = rzalloc(cache->ht, struct agx_meta_shader);
agx_compile_shader_nir(shader, key, NULL, &binary, &res->info);
res->ptr = agx_pool_upload_aligned_with_bo(&cache->pool, binary.data,
binary.size, 128,
&res->bo);

2
src/asahi/lib/agx_meta.h
View file

@ -6,6 +6,7 @@
#ifndef __AGX_META_H
#define __AGX_META_H
#include "asahi/compiler/agx_compile.h"
#include "agx_tilebuffer.h"
#include "pool.h"
@ -29,6 +30,7 @@ struct agx_meta_key {
};
struct agx_meta_shader {
struct agx_shader_info info;
struct agx_bo *bo;
uint32_t ptr;
};

2
src/gallium/drivers/asahi/agx_state.c
View file

@ -1532,7 +1532,7 @@ agx_build_meta(struct agx_batch *batch, bool store, bool partial_render)
cfg.unk_2 = 0;
}
agx_usc_pack(&b, REGISTERS, cfg) cfg.register_count = 256;
agx_usc_pack(&b, REGISTERS, cfg) cfg.register_count = shader->info.nr_gprs;
agx_usc_pack(&b, NO_PRESHADER, cfg);
return agx_usc_fini(&b);