Merge remote branch 'origin/master' into pipe-video

[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 9d3b0be694a15080ec1f6ac1e5a3145b3beba8b2..d2ac1235e46fa6a3f88288a699093013b54480b5 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_clip_util.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_util.c
@@ -33,14 +33,13 @@
 #include "main/glheader.h"
 #include "main/macros.h"
 #include "main/enums.h"
-#include "shader/program.h"
+#include "program/program.h"
 
 #include "intel_batchbuffer.h"
 
 #include "brw_defines.h"
 #include "brw_context.h"
 #include "brw_eu.h"
-#include "brw_util.h"
 #include "brw_clip.h"
 
 
@@ -140,14 +139,18 @@ void brw_clip_interp_vertex( struct brw_clip_compile *c,
 
    /* Just copy the vertex header:
     */
+   /*
+    * After CLIP stage, only first 256 bits of the VUE are read
+    * back on Ironlake, so needn't change it
+    */
    brw_copy_indirect_to_indirect(p, dest_ptr, v0_ptr, 1);
       
    /* Iterate over each attribute (could be done in pairs?)
     */
    for (i = 0; i < c->nr_attrs; i++) {
-      GLuint delta = i*16 + 32;
+      GLuint delta = c->offset[c->idx_to_attr[i]];
 
-      if (delta == c->offset[VERT_RESULT_EDGE]) {
+      if (c->idx_to_attr[i] == VERT_RESULT_EDGE) {
         if (force_edgeflag) 
            brw_MOV(p, deref_4f(dest_ptr, delta), brw_imm_f(1));
         else
@@ -176,7 +179,8 @@ void brw_clip_interp_vertex( struct brw_clip_compile *c,
    }
 
    if (i & 1) {
-      GLuint delta = i*16 + 32;
+      GLuint delta = c->offset[c->idx_to_attr[c->nr_attrs - 1]] + ATTR_SIZE;
+
       brw_MOV(p, deref_4f(dest_ptr, delta), brw_imm_f(0));
    }
 
@@ -188,11 +192,6 @@ void brw_clip_interp_vertex( struct brw_clip_compile *c,
    brw_clip_project_vertex(c, dest_ptr );
 }
 
-
-
-
-#define MAX_MRF 16
-
 void brw_clip_emit_vue(struct brw_clip_compile *c, 
                       struct brw_indirect vert,
                       GLboolean allocate,
@@ -200,25 +199,14 @@ void brw_clip_emit_vue(struct brw_clip_compile *c,
                       GLuint header)
 {
    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
-    * the allocation response anyway.  Also, the order this function
-    * is invoked doesn't correspond to the order the instructions will
-    * be executed, so it won't have any effect in many cases.
-    */
-#if 0
-   if (start + c->nr_regs + 1 >= MAX_MRF)
-      start = 0;
 
-   c->last_mrf = start + c->nr_regs + 1;
-#endif
-       
    /* Copy the vertex from vertn into m1..mN+1:
     */
-   brw_copy_from_indirect(p, brw_message_reg(start+1), vert, c->nr_regs);
+   brw_copy_from_indirect(p, brw_message_reg(1), vert, c->nr_regs);
 
    /* Overwrite PrimType and PrimStart in the message header, for
     * each vertex in turn:
@@ -234,7 +222,7 @@ void brw_clip_emit_vue(struct brw_clip_compile *c,
     */
    brw_urb_WRITE(p, 
                 allocate ? c->reg.R0 : retype(brw_null_reg(), BRW_REGISTER_TYPE_UD),
-                start,
+                0,
                 c->reg.R0,
                 allocate,
                 1,             /* used */
@@ -252,6 +240,7 @@ 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:
     */
@@ -343,3 +332,39 @@ void brw_clip_init_clipmask( struct brw_clip_compile *c )
    }
 }
 
+void brw_clip_ff_sync(struct brw_clip_compile *c)
+{
+    struct intel_context *intel = &c->func.brw->intel;
+
+    if (intel->needs_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, /* allocate */
+                       1, /* response length */
+                       0 /* eot */);
+        }
+        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)
+{
+    struct intel_context *intel = &c->func.brw->intel;
+
+    if (intel->needs_ff_sync) {
+       struct brw_compile *p = &c->func;
+        
+        brw_MOV(p, c->reg.ff_sync, brw_imm_ud(0));
+    }
+}