nouveau: winsys surface funcs deprecated, remove them

src/gallium/winsys/dri/nouveau/nouveau_winsys_pipe.c

@@ -25,33 +25,6 @@ nouveau_get_name(struct pipe_winsys *pws)
 	return "Nouveau/DRI";
 }
 
-static struct pipe_surface *
-nouveau_surface_alloc(struct pipe_winsys *ws)
-{
-	struct pipe_surface *surf;
-	
-	surf = CALLOC_STRUCT(pipe_surface);
-	if (!surf)
-		return NULL;
-
-	surf->refcount = 1;
-	surf->winsys = ws;
-	return surf;
-}
-
-static void
-nouveau_surface_release(struct pipe_winsys *ws, struct pipe_surface **s)
-{
-	struct pipe_surface *surf = *s;
-
-	*s = NULL;
-	if (--surf->refcount <= 0) {
-		if (surf->buffer)
-			pipe_buffer_reference(ws, &surf->buffer, NULL);
-		free(surf);
-	}
-}
-
 static struct pipe_buffer *
 nouveau_pipe_bo_create(struct pipe_winsys *pws, unsigned alignment,
 		       unsigned usage, unsigned size)
@@ -215,9 +188,6 @@ nouveau_create_pipe_winsys(struct nouveau_context *nv)
 
 	pws->flush_frontbuffer = nouveau_flush_frontbuffer;
 
-	pws->surface_alloc = nouveau_surface_alloc;
-	pws->surface_release = nouveau_surface_release;
-
 	pws->buffer_create = nouveau_pipe_bo_create;
 	pws->buffer_destroy = nouveau_pipe_bo_del;
 	pws->user_buffer_create = nouveau_pipe_bo_user_create;