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radeonsi: don't expose no-attachment MSAA 16x on all 1 RB chips due to issues

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Cc: mesa-stable@lists.freedesktop.org

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11900>
(cherry picked from commit 86ff5b7ddb)
This commit is contained in:
Marek Olšák 2021-07-14 08:27:40 -04:00 • committed by Dylan Baker
parent 8653cbd0aa
commit 2193a19631
2 changed files with 2 additions and 2 deletions
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2
.pick_status.json
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@ -895,7 +895,7 @@
"description": "radeonsi: don't expose no-attachment MSAA 16x on all 1 RB chips due to issues",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null
},

2
src/gallium/drivers/radeonsi/si_state.c
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@ -2257,7 +2257,7 @@ static bool si_is_format_supported(struct pipe_screen *screen, enum pipe_format
/* Chips with 1 RB don't increment occlusion queries at 16x MSAA sample rate,
* so don't expose 16 samples there.
*/
const unsigned max_eqaa_samples = sscreen->info.max_render_backends == 1 ? 8 : 16;
const unsigned max_eqaa_samples = util_bitcount(sscreen->info.enabled_rb_mask) <= 1 ? 8 : 16;
const unsigned max_samples = 8;
/* MSAA support without framebuffer attachments. */