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third_party_mesa3d/.gitlab-ci
Eric Anholt 1633c9735a freedreno: Disable UBWC on z24s8 on a630.
Stencil texture sampling (such as what we have to do for BlitFramebuffer)
is broken with UBWC enabled.  We can't just take the
fd_resource_uncompress() path, because that's a blit just like
BlitFramebuffer.

Fixes failure in dEQP-GLES3.functional.fbo.msaa.2_samples.stencil_index8,
but also the uncaught rendering fails of 4_samples.stencil_index8 and
depth24_stencil8.

Prior to "911ce374caf0 freedreno/a6xx: Fix MSAA clear" we would usually
pass and sometimes flake fail on this test occasionally, thus it being
listed as a flake (though the rendering was actually broken).  Since that
commit, though, we consistently fail on a pixel of the broken rendering,
and thus this was brought to my attention by the #freedreno-ci channel
spam.

Rob took a look at the performance impact of this, and the worst was maybe
up to .5% fps hit on trex.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8319>
2021-01-06 22:54:14 +00:00
..
2020-10-08 12:14:59 +02:00