i965/fs: Add support for fs_inst::force_writemask_all on Broadwell.

This must not have existed when I wrote the original code.  The atomic
operation header setup code uses this.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/src/mesa/drivers/dri/i965/gen8_fs_generator.cpp b/src/mesa/drivers/dri/i965/gen8_fs_generator.cpp
index 7fb81c7..ca86294 100644 (file)
--- a/src/mesa/drivers/dri/i965/gen8_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/gen8_fs_generator.cpp
@@ -920,6 +920,7 @@ gen8_fs_generator::generate_code(exec_list *instructions)
       default_state.predicate = ir->predicate;
       default_state.predicate_inverse = ir->predicate_inverse;
       default_state.saturate = ir->saturate;
+      default_state.mask_control = ir->force_writemask_all;
       default_state.flag_subreg_nr = ir->flag_subreg;
 
       if (dispatch_width == 16 && !ir->force_uncompressed)