i965: Add support for gen6 BREAK ISA emit.

There are now two targets: the hop-to-end-of-block target, and the
target for where to resume execution for active channels.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_structs.h b/src/mesa/drivers/dri/i965/brw_structs.h
index 8ce9af9c4f..8f97bd136f 100644
--- a/src/mesa/drivers/dri/i965/brw_structs.h
+++ b/src/mesa/drivers/dri/i965/brw_structs.h
@@ -1539,6 +1539,21 @@ struct brw_instruction
 	 GLuint  pad0:12;
       } if_else;
 
+      struct
+      {
+	 /* Signed jump distance to the ip to jump to if all channels
+	  * are disabled after the break or continue.  It should point
+	  * to the end of the innermost control flow block, as that's
+	  * where some channel could get re-enabled.
+	  */
+	 int jip:16;
+
+	 /* Signed jump distance to the location to resume execution
+	  * of this channel if it's enabled for the break or continue.
+	  */
+	 int uip:16;
+      } break_cont;
+
       struct {
 	 GLuint function:4;
 	 GLuint int_type:1;