i965: Set the destination horiz stride even for da16, as SNB seems to need it.

2 files changed, 6 insertions, 2 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index 0d5d17f501..523f119f43 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -75,6 +75,8 @@ static void brw_set_dest( struct brw_instruction *insn,
       else {
 	 insn->bits1.da16.dest_subreg_nr = dest.subnr / 16;
 	 insn->bits1.da16.dest_writemask = dest.dw1.bits.writemask;
+	 /* even ignored in da16, still need to set as '01' */
+	 insn->bits1.da16.dest_horiz_stride = 1;
       }
    }
    else {
@@ -90,6 +92,8 @@ static void brw_set_dest( struct brw_instruction *insn,
       }
       else {
 	 insn->bits1.ia16.dest_indirect_offset = dest.dw1.bits.indirect_offset;
+	 /* even ignored in da16, still need to set as '01' */
+	 insn->bits1.ia16.dest_horiz_stride = 1;
       }
    }
 
diff --git a/src/mesa/drivers/dri/i965/brw_structs.h b/src/mesa/drivers/dri/i965/brw_structs.h
index 1d6018fa36..cdd2998627 100644
--- a/src/mesa/drivers/dri/i965/brw_structs.h
+++ b/src/mesa/drivers/dri/i965/brw_structs.h
@@ -1360,7 +1360,7 @@ struct brw_instruction
 	 GLuint dest_writemask:4;
 	 GLuint dest_subreg_nr:1;
 	 GLuint dest_reg_nr:8;
-	 GLuint pad1:2;
+	 GLuint dest_horiz_stride:2;
 	 GLuint dest_address_mode:1;
       } da16;
 
@@ -1374,7 +1374,7 @@ struct brw_instruction
 	 GLuint dest_writemask:4;
 	 GLint dest_indirect_offset:6;
 	 GLuint dest_subreg_nr:3;
-	 GLuint pad1:2;
+	 GLuint dest_horiz_stride:2;
 	 GLuint dest_address_mode:1;
       } ia16;
    } bits1;