i965/brw_reg: Add a firsthalf function and use it in the generator
authorJason Ekstrand <jason.ekstrand@intel.com>
Wed, 13 Aug 2014 19:23:47 +0000 (12:23 -0700)
committerJason Ekstrand <jason.ekstrand@intel.com>
Tue, 30 Sep 2014 17:29:14 +0000 (10:29 -0700)
commitf91b566f55390d1a0e472ac970d017374b91ee83
tree03e15652cc5dc714ebf6c0b1ffc2f546d8263079
parent1728e74957a62b1b4b9fbb62a7de2c12b77c8a75
i965/brw_reg: Add a firsthalf function and use it in the generator

Right now, this function is a no-op but it indicates that we intend to only
use the first half of the 16-wide register.

Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
src/mesa/drivers/dri/i965/brw_fs_generator.cpp
src/mesa/drivers/dri/i965/brw_reg.h