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Commit 84c1da77 authored by Faith Ekstrand's avatar Faith Ekstrand :speech_balloon: Committed by Dylan Baker
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anv: Drop alpha_to_coverage from the NULL FS optimization


Starting with Ivy Bridge, we implement alpha-to-coverage by writting
gl_SampleMask with a pattern based on alpha.  This will show up in
wm_prog_data::uses_omask so we don't need to look at the key.

Fixes: 36ee2fd6 ("anv: Implement the basic form of VK_EXT_transform_feedback")
Reviewed-by: default avatarLionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <mesa/mesa!16506>
(cherry picked from commit 9fe6caf4)
parent 3cceae19
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