freedreno/a6xx: LRZ fix for alpha-test
authorRob Clark <robdclark@chromium.org>
Tue, 26 May 2020 20:58:22 +0000 (13:58 -0700)
committerMarge Bot <eric+marge@anholt.net>
Fri, 29 May 2020 00:38:28 +0000 (00:38 +0000)
commita3947f9d247619043ac9a2c17f746d2fbfb0e5ac
treee19891a9b44f9a46ebe8771e6324722db9c3d87a
parent838666a41dcbbf566bff57e7a7b841e50bf2bdce
freedreno/a6xx: LRZ fix for alpha-test

Similarly to stencil-test, if alpha-test is enabled, we don't know
necessarily whether the fragment will pass.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3045
Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5217>
src/gallium/drivers/freedreno/a6xx/fd6_zsa.c