i965/fs: Gen4-5: Implement alpha test in shader for MRT
authorChris Forbes <chrisf@ijw.co.nz>
Sat, 26 Oct 2013 23:32:03 +0000 (12:32 +1300)
committerChris Forbes <chrisf@ijw.co.nz>
Wed, 6 Nov 2013 06:29:52 +0000 (19:29 +1300)
commitf7e15fcf56595aac99644292386a6e6d06dc6ec0
tree9e5f4964fbfe46c8be042cd020f1e266e3e5b6c5
parentca82ba90dd7ef78be2b95972dc19913c76d5e6a8
i965/fs: Gen4-5: Implement alpha test in shader for MRT

V2: Add comment explaining what emit_alpha_test() is for;
    fix spurious temp and bogus whitespace.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Eric Anholt <eric@anholt.net>
src/mesa/drivers/dri/i965/brw_fs.cpp
src/mesa/drivers/dri/i965/brw_fs.h
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp