i965/gen7: Fix gl_HelperInvocation
authorJordan Justen <jordan.l.justen@intel.com>
Tue, 24 May 2016 00:34:51 +0000 (17:34 -0700)
committerJordan Justen <jordan.l.justen@intel.com>
Tue, 24 May 2016 22:44:06 +0000 (15:44 -0700)
commite58fabc93a25ccc910369f3638b302d46de12271
tree755932fea91b0dc834c490f2cae17e4ff9116155
parente384d75b120ce60954c545e8c6edbe98fd01bea7
i965/gen7: Fix gl_HelperInvocation

It appears that UV immediates aren't working on Ivy Bridge. In this
case, a signed version will work, and this fixes the piglit
tests/spec/glsl-4.50/execution/helper-invocation.shader_test test.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
src/mesa/drivers/dri/i965/brw_fs_nir.cpp