i965/fs: Handle explicit flag sources in flags_read()
authorFrancisco Jerez <currojerez@riseup.net>
Thu, 22 Jun 2017 23:42:34 +0000 (16:42 -0700)
committerMatt Turner <mattst88@gmail.com>
Thu, 20 Jul 2017 23:56:49 +0000 (16:56 -0700)
commitf1b7c47913344338a8730cf3561ce95527b53c4c
treec96b9b440b6f44f97d3d19de0a914074ee3e21e3
parent3e7b8f6cd40810601982d55d6e8d6935f0fde78c
i965/fs: Handle explicit flag sources in flags_read()

The implementations of the ARB_shader_ballot intrinsics will explicitly
read the flag as a source register.

Reviewed-by: Matt Turner <mattst88@gmail.com>
src/intel/compiler/brw_fs.cpp