diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h
index 1f1215c7ff0..1e6ec06c95f 100644
--- a/src/gallium/auxiliary/util/u_inlines.h
+++ b/src/gallium/auxiliary/util/u_inlines.h
@@ -319,6 +319,13 @@ pipe_surface_equal(struct pipe_surface *s1, struct pipe_surface *s2)
  */
 
 
+static inline unsigned
+pipe_buffer_size(const struct pipe_resource *buffer)
+{
+    return buffer->width0;
+}
+
+
 /**
  * Create a new resource.
  * \param bind  bitmask of PIPE_BIND_x flags