diff --git a/app/gegl/gimp-gegl-utils.c b/app/gegl/gimp-gegl-utils.c
index 30e9afa680..dc2ecfdd9b 100644
--- a/app/gegl/gimp-gegl-utils.c
+++ b/app/gegl/gimp-gegl-utils.c
@@ -25,6 +25,8 @@
 #include <gegl.h>
 #include <gegl-plugin.h>
 
+#include "libgimpmath/gimpmath.h"
+
 #include "gimp-gegl-types.h"
 
 #include "core/gimpprogress.h"
@@ -154,3 +156,37 @@ gimp_gegl_param_spec_has_key (GParamSpec  *pspec,
 
   return FALSE;
 }
+
+void
+gimp_gegl_rectangle_align_to_tile_grid (GeglRectangle       *dest,
+                                        const GeglRectangle *src,
+                                        GeglBuffer          *buffer)
+{
+  gint          shift_x;
+  gint          shift_y;
+  gint          tile_width;
+  gint          tile_height;
+  GeglRectangle rect;
+
+  g_return_if_fail (dest != NULL);
+  g_return_if_fail (src != NULL);
+  g_return_if_fail (GEGL_IS_BUFFER (buffer));
+
+  g_object_get (buffer,
+                "shift-x",     &shift_x,
+                "shift-y",     &shift_y,
+                "tile-width",  &tile_width,
+                "tile-height", &tile_height,
+                NULL);
+
+  rect.x      = (gint) floor ((gdouble) (src->x               + shift_x) /
+                              tile_width)  * tile_width;
+  rect.y      = (gint) floor ((gdouble) (src->y               + shift_y) /
+                              tile_height) * tile_height;
+  rect.width  = (gint) ceil  ((gdouble) (src->x + src->width  + shift_x) /
+                              tile_width)  * tile_width  - rect.x;
+  rect.height = (gint) ceil  ((gdouble) (src->y + src->height + shift_y) /
+                              tile_height) * tile_height - rect.y;
+
+  *dest = rect;
+}
diff --git a/app/gegl/gimp-gegl-utils.h b/app/gegl/gimp-gegl-utils.h
index 7903532f38..918b71bdf2 100644
--- a/app/gegl/gimp-gegl-utils.h
+++ b/app/gegl/gimp-gegl-utils.h
@@ -22,22 +22,26 @@
 #define __GIMP_GEGL_UTILS_H__
 
 
-GType        gimp_gegl_get_op_enum_type   (const gchar   *operation,
-                                           const gchar   *property);
+GType        gimp_gegl_get_op_enum_type             (const gchar         *operation,
+                                                     const gchar         *property);
 
-GeglColor  * gimp_gegl_color_new          (const GimpRGB *rgb,
-                                           const Babl    *space);
+GeglColor  * gimp_gegl_color_new                    (const GimpRGB       *rgb,
+                                                     const Babl          *space);
 
-void         gimp_gegl_progress_connect   (GeglNode      *node,
-                                           GimpProgress  *progress,
-                                           const gchar   *text);
+void         gimp_gegl_progress_connect             (GeglNode            *node,
+                                                     GimpProgress        *progress,
+                                                     const gchar         *text);
 
-const Babl * gimp_gegl_node_get_format    (GeglNode      *node,
-                                           const gchar   *pad_name);
+const Babl * gimp_gegl_node_get_format              (GeglNode            *node,
+                                                     const gchar         *pad_name);
 
-gboolean     gimp_gegl_param_spec_has_key (GParamSpec    *pspec,
-                                           const gchar   *key,
-                                           const gchar   *value);
+gboolean     gimp_gegl_param_spec_has_key           (GParamSpec          *pspec,
+                                                     const gchar         *key,
+                                                     const gchar         *value);
+
+void         gimp_gegl_rectangle_align_to_tile_grid (GeglRectangle       *dest,
+                                                     const GeglRectangle *src,
+                                                     GeglBuffer          *buffer);
 
 
 #endif /* __GIMP_GEGL_UTILS_H__ */