Merge branch 'master' of ssh://git.freedesktop.org/git/mesa/mesa into r600_state_predict

[mesa.git] / src / mesa / drivers / dri / i965 / brw_clip_util.c

diff --git a/src/mesa/drivers/dri/i965/brw_clip_util.c b/src/mesa/drivers/dri/i965/brw_clip_util.c
index e09efc07ed47521da7b5c57d2ea06a5b9b4048d4..5a73abdfee9d994eaed52b2d5d2d0ef34e1efb29 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_clip_util.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_util.c
@@ -213,6 +213,8 @@ void brw_clip_emit_vue(struct brw_clip_compile *c,
    struct brw_compile *p = &c->func;
    GLuint start = c->last_mrf;
 
+   brw_clip_ff_sync(c);
+
    assert(!(allocate && eot));
    
    /* Cycle through mrf regs - probably futile as we have to wait for
@@ -263,6 +265,7 @@ void brw_clip_kill_thread(struct brw_clip_compile *c)
 {
    struct brw_compile *p = &c->func;
 
+   brw_clip_ff_sync(c);
    /* Send an empty message to kill the thread and release any
     * allocated urb entry:
     */
@@ -356,17 +359,38 @@ void brw_clip_init_clipmask( struct brw_clip_compile *c )
 
 void brw_clip_ff_sync(struct brw_clip_compile *c)
 {
+    if (c->need_ff_sync) {
+        struct brw_compile *p = &c->func;
+        struct brw_instruction *need_ff_sync;
+
+        brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
+        brw_AND(p, brw_null_reg(), c->reg.ff_sync, brw_imm_ud(0x1));
+        need_ff_sync = brw_IF(p, BRW_EXECUTE_1);
+        {
+            brw_OR(p, c->reg.ff_sync, c->reg.ff_sync, brw_imm_ud(0x1));
+            brw_ff_sync(p, 
+                    c->reg.R0,
+                    0,
+                    c->reg.R0,
+                    1, 
+                    1,         /* used */
+                    1,         /* msg length */
+                    1,         /* response length */
+                    0,         /* eot */
+                    1,         /* write compelete */
+                    0,         /* urb offset */
+                    BRW_URB_SWIZZLE_NONE);
+        }
+        brw_ENDIF(p, need_ff_sync);
+        brw_set_predicate_control(p, BRW_PREDICATE_NONE);
+    }
+}
+
+void brw_clip_init_ff_sync(struct brw_clip_compile *c)
+{
+    if (c->need_ff_sync) {
        struct brw_compile *p = &c->func;
-       brw_ff_sync(p, 
-                               c->reg.R0,
-                               0,
-                               c->reg.R0,
-                               1,      
-                               1,              /* used */
-                               1,      /* msg length */
-                               1,              /* response length */
-                               0,              /* eot */
-                               1,              /* write compelete */
-                               0,              /* urb offset */
-                               BRW_URB_SWIZZLE_NONE);
+        
+        brw_MOV(p, c->reg.ff_sync, brw_imm_ud(0));
+    }
 }