5 files changed, 32 insertions, 6 deletions

diff --git a/src/mesa/pipe/draw/draw_clip.c b/src/mesa/pipe/draw/draw_clip.c
index e2af69e0485..3ccc408bc0b 100644
--- a/src/mesa/pipe/draw/draw_clip.c
+++ b/src/mesa/pipe/draw/draw_clip.c
@@ -109,6 +109,7 @@ static void interp( const struct clipper *clip,
       dst->clipmask = 0;
       dst->edgeflag = 0;
       dst->pad = 0;
+      dst->vertex_id = 0;
    }
 
    /* Clip coordinates:  interpolate normally
diff --git a/src/mesa/pipe/draw/draw_prim.c b/src/mesa/pipe/draw/draw_prim.c
index e82e48b90b8..be2f987b9a0 100644
--- a/src/mesa/pipe/draw/draw_prim.c
+++ b/src/mesa/pipe/draw/draw_prim.c
@@ -106,9 +106,12 @@ void draw_flush( struct draw_context *draw )
 static struct prim_header *get_queued_prim( struct draw_context *draw,
 					    unsigned nr_verts )
 {
-   if (draw->pq.queue_nr + 1 >= PRIM_QUEUE_LENGTH ||
-       !draw_vertex_cache_check_space( draw, nr_verts )) 
-   {
+   if (draw->pq.queue_nr + 1 >= PRIM_QUEUE_LENGTH) {
+//      fprintf(stderr, "p");
+      draw_flush( draw );
+   }
+   else if (!draw_vertex_cache_check_space( draw, nr_verts )) {
+//      fprintf(stderr, "v");
       draw_flush( draw );
    }
 
diff --git a/src/mesa/pipe/draw/draw_private.h b/src/mesa/pipe/draw/draw_private.h
index 1285f3200c8..04d38c4e0c2 100644
--- a/src/mesa/pipe/draw/draw_private.h
+++ b/src/mesa/pipe/draw/draw_private.h
@@ -54,7 +54,8 @@
 struct vertex_header {
    unsigned clipmask:12;
    unsigned edgeflag:1;
-   unsigned pad:19;
+   unsigned pad:3;
+   unsigned vertex_id:16;
 
    float clip[4];
 
@@ -230,6 +231,8 @@ extern int draw_vertex_cache_check_space( struct draw_context *draw,
 extern void draw_vertex_cache_validate( struct draw_context *draw );
 extern void draw_vertex_cache_invalidate( struct draw_context *draw );
 extern void draw_vertex_cache_unreference( struct draw_context *draw );
+extern void draw_vertex_cache_reset_vertex_ids( struct draw_context *draw );
+
 
 extern void draw_vertex_shader_queue_flush( struct draw_context *draw );
 
@@ -255,6 +258,7 @@ dup_vert( struct draw_stage *stage,
 {   
    struct vertex_header *tmp = stage->tmp[idx];
    memcpy(tmp, vert, stage->draw->vertex_info.size * sizeof(float) );
+   tmp->vertex_id = ~0;
    return tmp;
 }
 
diff --git a/src/mesa/pipe/draw/draw_vertex_cache.c b/src/mesa/pipe/draw/draw_vertex_cache.c
index f1b0cb14bd3..a226798123c 100644
--- a/src/mesa/pipe/draw/draw_vertex_cache.c
+++ b/src/mesa/pipe/draw/draw_vertex_cache.c
@@ -46,6 +46,8 @@ void draw_vertex_cache_invalidate( struct draw_context *draw )
    
    for (i = 0; i < Elements( draw->vcache.idx ); i++)
       draw->vcache.idx[i] = ~0;
+
+//   fprintf(stderr, "x\n");
 }
 
 
@@ -63,10 +65,14 @@ static struct vertex_header *get_vertex( struct draw_context *draw,
 
       /* If slot is in use, use the overflow area:
        */
-      if (draw->vcache.referenced & (1 << slot))
+      if (draw->vcache.referenced & (1 << slot)) {
+//         fprintf(stderr, "o");
 	 slot = VCACHE_SIZE + draw->vcache.overflow++;
-      else
+      }
+      else {
+//         fprintf(stderr, ".");
          draw->vcache.referenced |= (1 << slot);  /* slot now in use */
+      }
 
       draw->vcache.idx[slot] = i;
 
@@ -79,7 +85,10 @@ static struct vertex_header *get_vertex( struct draw_context *draw,
       /* Need to set the vertex's edge flag here.  If we're being called
        * by do_ef_triangle(), that function needs edge flag info!
        */
+      draw->vcache.vertex[slot]->clipmask = 0;
       draw->vcache.vertex[slot]->edgeflag = 1; /*XXX use user's edge flag! */
+      draw->vcache.vertex[slot]->pad = 0;
+      draw->vcache.vertex[slot]->vertex_id = ~0;
    }
 
    return draw->vcache.vertex[slot];
@@ -110,6 +119,13 @@ static struct vertex_header *get_ubyte_elt_vertex( struct draw_context *draw,
 }
 
 
+void draw_vertex_cache_reset_vertex_ids( struct draw_context *draw )
+{
+   unsigned i;
+
+   for (i = 0; i < Elements(draw->vcache.vertex); i++)
+      draw->vcache.vertex[i]->vertex_id = ~0;
+}
 
 void draw_vertex_cache_validate( struct draw_context *draw )
 {
diff --git a/src/mesa/pipe/draw/draw_vertex_shader.c b/src/mesa/pipe/draw/draw_vertex_shader.c
index ef0399c46e5..fe4f124dd2f 100644
--- a/src/mesa/pipe/draw/draw_vertex_shader.c
+++ b/src/mesa/pipe/draw/draw_vertex_shader.c
@@ -189,6 +189,8 @@ void draw_vertex_shader_queue_flush( struct draw_context *draw )
 {
    unsigned i, j;
 
+//   fprintf(stderr, " q(%d) ", draw->vs.queue_nr );
+
    /* run vertex shader on vertex cache entries, four per invokation */
    for (i = 0; i < draw->vs.queue_nr; i += 4) {
       struct vertex_header *dests[4];