diff --git a/cogl/cogl-draw-buffer-private.h b/cogl/cogl-draw-buffer-private.h
index 5ad4fc896..3490cd26c 100644
--- a/cogl/cogl-draw-buffer-private.h
+++ b/cogl/cogl-draw-buffer-private.h
@@ -76,6 +76,10 @@ typedef struct _CoglOnscreen
 
 void
 _cogl_draw_buffer_state_init (void);
+int
+_cogl_draw_buffer_get_width (CoglHandle handle);
+int
+_cogl_draw_buffer_get_height (CoglHandle handle);
 CoglClipStackState *
 _cogl_draw_buffer_get_clip_state (CoglHandle handle);
 void
diff --git a/cogl/cogl-draw-buffer.c b/cogl/cogl-draw-buffer.c
index 76077627a..83ad3e313 100644
--- a/cogl/cogl-draw-buffer.c
+++ b/cogl/cogl-draw-buffer.c
@@ -130,6 +130,20 @@ _cogl_draw_buffer_free (CoglDrawBuffer *draw_buffer)
   draw_buffer->projection_stack = NULL;
 }
 
+int
+_cogl_draw_buffer_get_width (CoglHandle handle)
+{
+  CoglDrawBuffer *draw_buffer = COGL_DRAW_BUFFER (handle);
+  return draw_buffer->width;
+}
+
+int
+_cogl_draw_buffer_get_height (CoglHandle handle)
+{
+  CoglDrawBuffer *draw_buffer = COGL_DRAW_BUFFER (handle);
+  return draw_buffer->height;
+}
+
 CoglClipStackState *
 _cogl_draw_buffer_get_clip_state (CoglHandle handle)
 {