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radv: Use 128-sized vertex grouping for NGG shaders. 

This matches what RadeonSI also does.
It seems to improve performance especially with NGG culling shaders.

Eg. in Doom Eternal this gives me +5ish fps.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11810>
This commit is contained in:
Timur Kristóf 2021-07-09 21:23:25 +02:00 committed by Marge Bot
parent 17e62a3c23
commit 19c8283729
1 changed files with 2 additions and 2 deletions
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4
src/amd/vulkan/radv_pipeline.c
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@ -2021,7 +2021,7 @@ gfx10_get_ngg_info(const struct radv_pipeline_key *key, struct radv_pipeline *pi
const unsigned min_esverts =
pipeline->device->physical_device->rad_info.chip_class >= GFX10_3 ? 29 : 24;
bool max_vert_out_per_gs_instance = false;
unsigned max_esverts_base = 256;
unsigned max_esverts_base = 128;
unsigned max_gsprims_base = 128; /* default prim group size clamp */
/* Hardware has the following non-natural restrictions on the value
@ -2189,7 +2189,7 @@ gfx10_get_ngg_info(const struct radv_pipeline_key *key, struct radv_pipeline *pi
ngg->prim_amp_factor = prim_amp_factor;
ngg->max_vert_out_per_gs_instance = max_vert_out_per_gs_instance;
ngg->ngg_emit_size = max_gsprims * gsprim_lds_size;
ngg->enable_vertex_grouping = false;
ngg->enable_vertex_grouping = true;
/* Don't count unusable vertices. */
ngg->esgs_ring_size = MIN2(max_esverts, max_gsprims * max_verts_per_prim) * esvert_lds_size * 4;