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| author | Marek Olšák <marek.olsak@amd.com> | 2016-06-03 16:20:17 +0200 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2016-06-06 22:50:55 +0200 |
| commit | 991cbfcb1459f3adce13d70c383f9c4c6fd4ee96 (patch) | |
| tree | e599581baf980c8911339f902552600b33e77541 /src/gallium/drivers/radeonsi/si_state_draw.c | |
| parent | 2802310c256d599d80397a590fd32386bad03fe6 (diff) | |
| download | external_mesa3d-991cbfcb1459f3adce13d70c383f9c4c6fd4ee96.zip external_mesa3d-991cbfcb1459f3adce13d70c383f9c4c6fd4ee96.tar.gz external_mesa3d-991cbfcb1459f3adce13d70c383f9c4c6fd4ee96.tar.bz2 | |
radeonsi: add a performance tweak for 4 SE parts
Ported from Vulkan.
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state_draw.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state_draw.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index aed509d..0a85d5a 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -308,6 +308,17 @@ static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx, (info->indirect || info->instance_count > 1)) wd_switch_on_eop = true; + /* Performance recommendation for 4 SE Gfx7-8 parts if + * instances are smaller than a primgroup. Ignore the fact + * primgroup_size is a primitive count, not vertex count. + * Don't do anything for indirect draws. + */ + if (sctx->b.chip_class <= VI && + sctx->b.screen->info.max_se >= 4 && + !info->indirect && + info->instance_count > 1 && info->count < primgroup_size) + wd_switch_on_eop = true; + /* Required on CIK and later. */ if (sctx->b.screen->info.max_se > 2 && !wd_switch_on_eop) ia_switch_on_eoi = true; |