i965/fs: Add support for shadow comparitors with gather4
authorChris Forbes <chrisf@ijw.co.nz>
Thu, 10 Oct 2013 06:57:29 +0000 (19:57 +1300)
committerChris Forbes <chrisf@ijw.co.nz>
Sat, 26 Oct 2013 09:16:32 +0000 (22:16 +1300)
commit3c98d77460df0e7dde7fb22beaa4c4e6dc8a3602
tree6a8e3edd3658b82b81d7c627bb46dedc7de99bb6
parent32f898a71cd0a83677944f0444145c4a04c966a1
i965/fs: Add support for shadow comparitors with gather4

Note that gather4_po_c's parameters are too long for SIMD16. It might be
worth emitting 2xSIMD8 messages in this case at some point.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
src/mesa/drivers/dri/i965/brw_fs_generator.cpp
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp