fp-indirections2: Do a single readpixels per dim rather than 32*32 RGB probes.
commitbc476ba348154a857596026ed5eaa7355b65831f
authorEmma Anholt <emma@anholt.net>
Tue, 2 May 2023 19:31:26 +0000 (2 12:31 -0700)
committerMarge Bot <emma+marge@anholt.net>
Wed, 3 May 2023 22:06:50 +0000 (3 22:06 +0000)
tree43d8ba49d7ddf407cc03f700e4c285a04c3bc4f0
parent6959a1eae9e495695b584fdd0b4b52aa52b4bac5
fp-indirections2: Do a single readpixels per dim rather than 32*32 RGB probes.

zink-on-adl runtime goes from 25s to 1.2s.

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/piglit/-/merge_requests/804>
tests/shaders/fp-indirections2.c