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radeonsi: don't set BREAK_PRIMGRP/WAVE_AT_EOI when tessellation is disabled

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It's not required and it decreases performance.

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32957>
This commit is contained in:
Marek Olšák
2025-01-07 15:13:26 -05:00
parent 963f8fff1e
commit f06a103eea
1 changed files with 1 additions and 7 deletions
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8
src/gallium/drivers/radeonsi/si_state_shaders.cpp
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@@ -1492,7 +1492,6 @@ static void gfx10_shader_ngg(struct si_screen *sscreen, struct si_shader *shader
unsigned gs_num_invocations = gs_sel->stage == MESA_SHADER_GEOMETRY ?
CLAMP(gs_info->base.gs.invocations, 1, 32) : 0;
unsigned input_prim = si_get_input_prim(gs_sel, &shader->key, false);
bool break_wave_at_eoi = false;
struct si_pm4_state *pm4 = si_get_shader_pm4_state(shader, NULL);
if (!pm4)
@@ -1530,9 +1529,6 @@ static void gfx10_shader_ngg(struct si_screen *sscreen, struct si_shader *shader
assert(es_stage == MESA_SHADER_TESS_EVAL);
es_vgpr_comp_cnt = es_enable_prim_id ? 3 : 2;
num_user_sgprs = GFX9_GS_NUM_USER_SGPR;
if (es_enable_prim_id || gs_info->uses_primid)
break_wave_at_eoi = true;
}
/* Primitives with adjancency can only occur without tessellation. */
@@ -1704,13 +1700,11 @@ static void gfx10_shader_ngg(struct si_screen *sscreen, struct si_shader *shader
shader->ge_cntl = S_03096C_PRIMS_PER_SUBGRP(shader->ngg.max_gsprims) |
S_03096C_VERTS_PER_SUBGRP(shader->ngg.hw_max_esverts) |
S_03096C_BREAK_PRIMGRP_AT_EOI(break_wave_at_eoi) |
S_03096C_PRIM_GRP_SIZE_GFX11(
CLAMP(max_prim_grp_size / MAX2(prim_amp_factor, 1), 1, 256));
} else {
shader->ge_cntl = S_03096C_PRIM_GRP_SIZE_GFX10(shader->ngg.max_gsprims) |
S_03096C_VERT_GRP_SIZE(shader->ngg.hw_max_esverts) |
S_03096C_BREAK_WAVE_AT_EOI(break_wave_at_eoi);
S_03096C_VERT_GRP_SIZE(shader->ngg.hw_max_esverts);
shader->ngg.vgt_gs_onchip_cntl =
S_028A44_ES_VERTS_PER_SUBGRP(shader->ngg.hw_max_esverts) |