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panfrost: Don't advertise MSAA 2x

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Let the frontend promote to MSAA 4x if the app requests it. We don't
support MSAA 2x.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5782>
This commit is contained in:
Alyssa Rosenzweig 2020-06-30 16:53:38 -04:00 • committed by Marge Bot
parent 211cc2550c
commit 546a600ba5
1 changed files with 3 additions and 2 deletions
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5
src/gallium/drivers/panfrost/pan_screen.c
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@ -466,12 +466,13 @@ panfrost_is_format_supported( struct pipe_screen *screen,
return false;
/* MSAA 4x supported, but no more. Technically some revisions of the
* hardware can go up to 16x but we don't support higher modes yet. */
* hardware can go up to 16x but we don't support higher modes yet.
* MSAA 2x is notably not supported and gets rounded up to MSAA 4x. */
if (sample_count > 1 && !(pan_debug & (PAN_DBG_GL3 | PAN_DBG_DEQP)))
return false;
if (sample_count > 4)
if (!(sample_count == 0 || sample_count == 1 || sample_count == 4))
return false;
if (MAX2(sample_count, 1) != MAX2(storage_sample_count, 1))