i965: Convert Gen4-5 clipping code to the new brw_inst API.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/brw_clip_line.c b/src/mesa/drivers/dri/i965/brw_clip_line.c
index 7e218f5c2930116bbde9b5d0b61863c17cb806c7..90cd07cd4a34932c3a1382dfba9731755ba986a7 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_clip_line.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_line.c
@@ -158,9 +158,9 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
    if (brw->has_negative_rhw_bug) {
       brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2),
               brw_imm_ud(1<<20));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
       brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(0x3f));
-      brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+      brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
    }
 
    /* Set the initial vertex source mask: The first 6 planes are the bounds
@@ -177,12 +177,12 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
       /* if (planemask & 1)
        */
       brw_AND(p, v1_null_ud, c->reg.planemask, brw_imm_ud(1));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
 
       brw_IF(p, BRW_EXECUTE_1);
       {
          brw_AND(p, v1_null_ud, c->reg.vertex_src_mask, brw_imm_ud(1));
-         brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+         brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
          brw_IF(p, BRW_EXECUTE_1);
          {
             /* user clip distance: just fetch the correct float from each vertex */
@@ -228,7 +228,7 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
 
              brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t1 );
              brw_MOV(p, c->reg.t1, c->reg.t);
-             brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+             brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
         }
         brw_ELSE(p);
         {
@@ -250,7 +250,8 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
 
                  brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t0 );
                  brw_MOV(p, c->reg.t0, c->reg.t);
-                 brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+                 brw_inst_set_pred_control(brw, brw_last_inst,
+                                           BRW_PREDICATE_NORMAL);
              }
 
              if (brw->has_negative_rhw_bug) {
@@ -268,14 +269,14 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
       /* while (planemask>>=1) != 0
        */
       brw_SHR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(1));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
       brw_SHR(p, c->reg.vertex_src_mask, c->reg.vertex_src_mask, brw_imm_ud(1));
-      brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+      brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
       brw_ADD(p, c->reg.clipdistance_offset, c->reg.clipdistance_offset, brw_imm_w(sizeof(float)));
-      brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+      brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
    }
    brw_WHILE(p);
-   brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+   brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 
    brw_ADD(p, c->reg.t, c->reg.t0, c->reg.t1);
    brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.t, brw_imm_f(1.0));

diff --git a/src/mesa/drivers/dri/i965/brw_clip_tri.c b/src/mesa/drivers/dri/i965/brw_clip_tri.c
index ceae282378e3c3dc65d25c0e0ae039f2d9ffe8ef..62336fc795b298d3bc4ced6faf67735423ba5baa 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_clip_tri.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_tri.c
@@ -235,10 +235,11 @@ load_clip_distance(struct brw_clip_compile *c, struct brw_indirect vtx,
                 struct brw_reg dst, GLuint hpos_offset, int cond)
 {
    struct brw_compile *p = &c->func;
+   const struct brw_context *brw = p->brw;
 
    dst = vec4(dst);
    brw_AND(p, vec1(brw_null_reg()), c->reg.vertex_src_mask, brw_imm_ud(1));
-   brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+   brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
    brw_IF(p, BRW_EXECUTE_1);
    {
       struct brw_indirect temp_ptr = brw_indirect(7, 0);
@@ -261,6 +262,7 @@ load_clip_distance(struct brw_clip_compile *c, struct brw_indirect vtx,
 void brw_clip_tri( struct brw_clip_compile *c )
 {
    struct brw_compile *p = &c->func;
+   const struct brw_context *brw = p->brw;
    struct brw_indirect vtx = brw_indirect(0, 0);
    struct brw_indirect vtxPrev = brw_indirect(1, 0);
    struct brw_indirect vtxOut = brw_indirect(2, 0);
@@ -294,7 +296,7 @@ void brw_clip_tri( struct brw_clip_compile *c )
       /* if (planemask & 1)
        */
       brw_AND(p, vec1(brw_null_reg()), c->reg.planemask, brw_imm_ud(1));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
 
       brw_IF(p, BRW_EXECUTE_1);
       {
@@ -337,7 +339,8 @@ void brw_clip_tri( struct brw_clip_compile *c )
                   */
                  brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_EQ, get_addr_reg(vtxOut), brw_imm_uw(0) );
                   brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(vtxPrev));
-                  brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+                  brw_inst_set_pred_control(brw, brw_last_inst,
+                                            BRW_PREDICATE_NORMAL);
 
                  brw_clip_interp_vertex(c, vtxOut, vtxPrev, vtx, c->reg.t, false);
 
@@ -378,7 +381,8 @@ void brw_clip_tri( struct brw_clip_compile *c )
                   */
                  brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_EQ, get_addr_reg(vtxOut), brw_imm_uw(0) );
                   brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(vtx));
-                  brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+                  brw_inst_set_pred_control(brw, brw_last_inst,
+                                            BRW_PREDICATE_NORMAL);
 
                  brw_clip_interp_vertex(c, vtxOut, vtx, vtxPrev, c->reg.t, true);
 
@@ -404,10 +408,10 @@ void brw_clip_tri( struct brw_clip_compile *c )
            /* while (--loopcount != 0)
             */
            brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
-            brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+            brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
         }
         brw_WHILE(p);
-         brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+         brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 
         /* vtxPrev = *(outlist_ptr-1)  OR: outlist[nr_verts-1]
          * inlist = outlist
@@ -438,7 +442,7 @@ void brw_clip_tri( struct brw_clip_compile *c )
       /* && (planemask>>=1) != 0
        */
       brw_SHR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(1));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
       brw_SHR(p, c->reg.vertex_src_mask, c->reg.vertex_src_mask, brw_imm_ud(1));
       brw_ADD(p, c->reg.clipdistance_offset, c->reg.clipdistance_offset, brw_imm_w(sizeof(float)));
    }
@@ -451,6 +455,7 @@ void brw_clip_tri( struct brw_clip_compile *c )
 void brw_clip_tri_emit_polygon(struct brw_clip_compile *c)
 {
    struct brw_compile *p = &c->func;
+   const struct brw_context *brw = p->brw;
 
    /* for (loopcount = nr_verts-2; loopcount > 0; loopcount--)
     */
@@ -458,7 +463,7 @@ void brw_clip_tri_emit_polygon(struct brw_clip_compile *c)
           c->reg.loopcount,
           c->reg.nr_verts,
           brw_imm_d(-2));
-   brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_G;
+   brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_G);
 
    brw_IF(p, BRW_EXECUTE_1);
    {
@@ -484,10 +489,10 @@ void brw_clip_tri_emit_polygon(struct brw_clip_compile *c)
         brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));
 
         brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
-         brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+         brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
       }
       brw_WHILE(p);
-      brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+      brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 
       brw_clip_emit_vue(c, v0, BRW_URB_WRITE_EOT_COMPLETE,
                         ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
@@ -532,6 +537,7 @@ static void brw_clip_test( struct brw_clip_compile *c )
     struct brw_indirect vt2 = brw_indirect(2, 0);
 
     struct brw_compile *p = &c->func;
+    const struct brw_context *brw = p->brw;
     struct brw_reg tmp0 = c->reg.loopcount; /* handy temporary */
 
     GLuint hpos_offset = brw_varying_to_offset(&c->vue_map,
@@ -557,7 +563,7 @@ static void brw_clip_test( struct brw_clip_compile *c )
     brw_OR(p, tmp0, get_element(t, 0), get_element(t, 1));
     brw_OR(p, tmp0, tmp0, get_element(t, 2));
     brw_AND(p, brw_null_reg(), tmp0, brw_imm_ud(0x1));
-    brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+    brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
     brw_IF(p, BRW_EXECUTE_1);
     {
         brw_clip_kill_thread(c);
@@ -573,15 +579,15 @@ static void brw_clip_test( struct brw_clip_compile *c )
     brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
             get_element(t, 0), brw_imm_ud(0));
     brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<5)));
-    brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+    brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
     brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
             get_element(t, 1), brw_imm_ud(0));
     brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<3)));
-    brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+    brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
     brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
             get_element(t, 2), brw_imm_ud(0));
     brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<1)));
-    brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+    brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 
     /* test farz, xmax, ymax plane */
     /* clip.xyz > clip.w */
@@ -595,7 +601,7 @@ static void brw_clip_test( struct brw_clip_compile *c )
     brw_OR(p, tmp0, get_element(t, 0), get_element(t, 1));
     brw_OR(p, tmp0, tmp0, get_element(t, 2));
     brw_AND(p, brw_null_reg(), tmp0, brw_imm_ud(0x1));
-    brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+    brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
     brw_IF(p, BRW_EXECUTE_1);
     {
         brw_clip_kill_thread(c);
@@ -611,15 +617,15 @@ static void brw_clip_test( struct brw_clip_compile *c )
     brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
             get_element(t, 0), brw_imm_ud(0));
     brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<4)));
-    brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+    brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
     brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
             get_element(t, 1), brw_imm_ud(0));
     brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<2)));
-    brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+    brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
     brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
             get_element(t, 2), brw_imm_ud(0));
     brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<0)));
-    brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+    brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 
     release_tmps(c);
 }
@@ -639,7 +645,7 @@ void brw_emit_tri_clip( struct brw_clip_compile *c )
    if (brw->has_negative_rhw_bug) {
       brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2),
               brw_imm_ud(1<<20));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
       brw_IF(p, BRW_EXECUTE_1);
       {
          brw_clip_test(c);

diff --git a/src/mesa/drivers/dri/i965/brw_clip_unfilled.c b/src/mesa/drivers/dri/i965/brw_clip_unfilled.c
index 53db8bcf1ca7fd37455018efa1868d47b95dbffa..be609f2d496dd662a0578fbb1604b3b8a928972b 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_clip_unfilled.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_unfilled.c
@@ -193,6 +193,7 @@ static void copy_bfc( struct brw_clip_compile *c )
 static void compute_offset( struct brw_clip_compile *c )
 {
    struct brw_compile *p = &c->func;
+   const struct brw_context *brw = p->brw;
    struct brw_reg off = c->reg.offset;
    struct brw_reg dir = c->reg.dir;
 
@@ -207,7 +208,7 @@ static void compute_offset( struct brw_clip_compile *c )
 
    brw_SEL(p, vec1(off),
            brw_abs(get_element(off, 0)), brw_abs(get_element(off, 1)));
-   brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+   brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 
    brw_MUL(p, vec1(off), off, brw_imm_f(c->key.offset_factor));
    brw_ADD(p, vec1(off), off, brw_imm_f(c->key.offset_units));
@@ -217,6 +218,7 @@ static void compute_offset( struct brw_clip_compile *c )
 static void merge_edgeflags( struct brw_clip_compile *c )
 {
    struct brw_compile *p = &c->func;
+   const struct brw_context *brw = p->brw;
    struct brw_reg tmp0 = get_element_ud(c->reg.tmp0, 0);
 
    brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK));
@@ -232,20 +234,20 @@ static void merge_edgeflags( struct brw_clip_compile *c )
    brw_IF(p, BRW_EXECUTE_1);
    {
       brw_AND(p, vec1(brw_null_reg()), get_element_ud(c->reg.R0, 2), brw_imm_ud(1<<8));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_EQ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_EQ);
       brw_MOV(p, byte_offset(c->reg.vertex[0],
                              brw_varying_to_offset(&c->vue_map,
                                                    VARYING_SLOT_EDGE)),
               brw_imm_f(0));
-      brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+      brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 
       brw_AND(p, vec1(brw_null_reg()), get_element_ud(c->reg.R0, 2), brw_imm_ud(1<<9));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_EQ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_EQ);
       brw_MOV(p, byte_offset(c->reg.vertex[2],
                              brw_varying_to_offset(&c->vue_map,
                                                    VARYING_SLOT_EDGE)),
               brw_imm_f(0));
-      brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+      brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
    }
    brw_ENDIF(p);
 }
@@ -273,6 +275,7 @@ static void emit_lines(struct brw_clip_compile *c,
                       bool do_offset)
 {
    struct brw_compile *p = &c->func;
+   const struct brw_context *brw = p->brw;
    struct brw_indirect v0 = brw_indirect(0, 0);
    struct brw_indirect v1 = brw_indirect(1, 0);
    struct brw_indirect v0ptr = brw_indirect(2, 0);
@@ -292,10 +295,10 @@ static void emit_lines(struct brw_clip_compile *c,
         apply_one_offset(c, v0);
        
         brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
-         brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_G;
+         brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_G);
       }
       brw_WHILE(p);
-      brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+      brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
    }
 
    /* v1ptr = &inlist[nr_verts]
@@ -331,10 +334,10 @@ static void emit_lines(struct brw_clip_compile *c,
       brw_ENDIF(p);
 
       brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
    }
    brw_WHILE(p);
-   brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+   brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 }
 
 
@@ -343,6 +346,7 @@ static void emit_points(struct brw_clip_compile *c,
                        bool do_offset )
 {
    struct brw_compile *p = &c->func;
+   const struct brw_context *brw = p->brw;
 
    struct brw_indirect v0 = brw_indirect(0, 0);
    struct brw_indirect v0ptr = brw_indirect(2, 0);
@@ -374,10 +378,10 @@ static void emit_points(struct brw_clip_compile *c,
       brw_ENDIF(p);
 
       brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
-      brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ;
+      brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
    }
    brw_WHILE(p);
-   brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
+   brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
 }
 
 

diff --git a/src/mesa/drivers/dri/i965/brw_clip_util.c b/src/mesa/drivers/dri/i965/brw_clip_util.c
index 5fb46b6e9363f8cc3e7dafb12e6d7e1fc577b08f..6f4775dbb7632da8383ae2a413ffad95a3283fe6 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_clip_util.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_util.c
@@ -448,7 +448,7 @@ void brw_clip_ff_sync(struct brw_clip_compile *c)
 
     if (brw->gen == 5) {
         brw_AND(p, brw_null_reg(), c->reg.ff_sync, brw_imm_ud(0x1));
-        brw_last_inst->header.destreg__conditionalmod = BRW_CONDITIONAL_Z;
+        brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_Z);
         brw_IF(p, BRW_EXECUTE_1);
         {
             brw_OR(p, c->reg.ff_sync, c->reg.ff_sync, brw_imm_ud(0x1));