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i965: Gen4-5: Don't enable hardware alpha test with MRT
authorChris Forbes <chrisf@ijw.co.nz>
Sat, 26 Oct 2013 23:09:51 +0000 (12:09 +1300)
committerChris Forbes <chrisf@ijw.co.nz>
Wed, 6 Nov 2013 06:29:36 +0000 (19:29 +1300)
commitdbcd633040939565f91eedac6ea313503ac9f0a5
tree872a338bf8df917f2dd418273bc04b4152683f52tree
parent39ebb72e52779b2975bfea3f08b91b7409f4a95ccommit | diff
i965: Gen4-5: Don't enable hardware alpha test with MRT

We have to do this in the shader instead, since these gens lack an
independent RT0 alpha value in their render target write messages.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Eric Anholt <eric@anholt.net>
src/mesa/drivers/dri/i965/brw_cc.c diff | blob | history