gallivm: disable rgtc/latc SNORM accellerated fetches
authorRoland Scheidegger <sroland@vmware.com>
Tue, 24 Mar 2020 20:56:40 +0000 (21:56 +0100)
committerMarge Bot <eric+marge@anholt.net>
Wed, 25 Mar 2020 17:56:11 +0000 (17:56 +0000)
commit4897e70ccd3987d470ec8622d473ee3405f6e96f
treedd477f7532d10cefe2a5429d56d4fc2f38a2a426
parent8c30b9d9878b14098d01a4bae5d51f1392e3baff
gallivm: disable rgtc/latc SNORM accellerated fetches

Unfortunately this appears to be bugged (it seems the piglit tests aren't
quite exhaustive enough). I'm almost certain it's the lerp
(lp_build_lerpdxta()) which doesn't handle signed numbers correctly, let's
disable for now.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4311>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4311>
src/gallium/auxiliary/gallivm/lp_bld_format_aos.c