1 files changed, 25 insertions, 10 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_curbe.c b/src/mesa/drivers/dri/i965/brw_curbe.c
index 190310afbb..6cb8edb611 100644
--- a/src/mesa/drivers/dri/i965/brw_curbe.c
+++ b/src/mesa/drivers/dri/i965/brw_curbe.c
@@ -179,6 +179,7 @@ static GLfloat fixed_plane[6][4] = {
  */
 static void prepare_constant_buffer(struct brw_context *brw)
 {
+   struct intel_context *intel = &brw->intel;
    GLcontext *ctx = &brw->intel.ctx;
    const struct brw_vertex_program *vp =
       brw_vertex_program_const(brw->vertex_program);
@@ -256,13 +257,24 @@ static void prepare_constant_buffer(struct brw_context *brw)
        */
       _mesa_load_state_parameters(ctx, vp->program.Base.Parameters); 
 
-      /* XXX just use a memcpy here */
-      for (i = 0; i < nr; i++) {
-         const GLfloat *value = vp->program.Base.Parameters->ParameterValues[i];
-	 buf[offset + i * 4 + 0] = value[0];
-	 buf[offset + i * 4 + 1] = value[1];
-	 buf[offset + i * 4 + 2] = value[2];
-	 buf[offset + i * 4 + 3] = value[3];
+      if (vp->use_const_buffer) {
+	 /* Load the subset of push constants that will get used when
+	  * we also have a pull constant buffer.
+	  */
+	 for (i = 0; i < vp->program.Base.Parameters->NumParameters; i++) {
+	    if (brw->vs.constant_map[i] != -1) {
+	       assert(brw->vs.constant_map[i] <= nr);
+	       memcpy(buf + offset + brw->vs.constant_map[i] * 4,
+		      vp->program.Base.Parameters->ParameterValues[i],
+		      4 * sizeof(float));
+	    }
+	 }
+      } else {
+	 for (i = 0; i < nr; i++) {
+	    memcpy(buf + offset + i * 4,
+		   vp->program.Base.Parameters->ParameterValues[i],
+		   4 * sizeof(float));
+	 }
       }
    }
 
@@ -293,9 +305,9 @@ static void prepare_constant_buffer(struct brw_context *brw)
       brw->curbe.last_bufsz = bufsz;
 
       if (brw->curbe.curbe_bo != NULL &&
-	  (brw->curbe.need_new_bo ||
-	   brw->curbe.curbe_next_offset + bufsz > brw->curbe.curbe_bo->size))
+	  brw->curbe.curbe_next_offset + bufsz > brw->curbe.curbe_bo->size)
       {
+	 intel_bo_unmap_gtt_preferred(intel, brw->curbe.curbe_bo);
 	 dri_bo_unreference(brw->curbe.curbe_bo);
 	 brw->curbe.curbe_bo = NULL;
       }
@@ -307,6 +319,7 @@ static void prepare_constant_buffer(struct brw_context *brw)
 	 brw->curbe.curbe_bo = dri_bo_alloc(brw->intel.bufmgr, "CURBE",
 					    4096, 1 << 6);
 	 brw->curbe.curbe_next_offset = 0;
+	 intel_bo_map_gtt_preferred(intel, brw->curbe.curbe_bo, GL_TRUE);
       }
 
       brw->curbe.curbe_offset = brw->curbe.curbe_next_offset;
@@ -315,7 +328,9 @@ static void prepare_constant_buffer(struct brw_context *brw)
 
       /* Copy data to the buffer:
        */
-      dri_bo_subdata(brw->curbe.curbe_bo, brw->curbe.curbe_offset, bufsz, buf);
+      memcpy(brw->curbe.curbe_bo->virtual + brw->curbe.curbe_offset,
+	     buf,
+	     bufsz);
    }
 
    brw_add_validated_bo(brw, brw->curbe.curbe_bo);