[gegl/samplers] warning RE: to do for lohalo

[Nicolas Robidoux <nrobidoux src gnome org>]

commit 22d8280cf8da9a56584a26cebb268014f2f41396
Author: Nicolas Robidoux <nicolas robidoux gmail com>
Date:   Fri Jun 17 14:25:43 2011 -0400

    warning RE: to do for lohalo

 gegl/buffer/gegl-sampler-lohalo.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gegl/buffer/gegl-sampler-lohalo.c b/gegl/buffer/gegl-sampler-lohalo.c
index bc687c4..0a3a167 100644
--- a/gegl/buffer/gegl-sampler-lohalo.c
+++ b/gegl/buffer/gegl-sampler-lohalo.c
@@ -18,6 +18,14 @@
  * Anthony Thyssen, John Cupitt and Ãyvind KolÃs.
  */
 /*
+ * IMPORTANT NOTE: This version gives quality downsampling results
+ * only down to about 1/5. (It works, but it becomes increasingly like
+ * nearest neighbour.)
+ *
+ * TO DO: Use multiple mipmap levels when downsampling by more than
+ * about 60%.
+ */
+/*
  * Credits and thanks:
  *
  * Nohalo with LBB finishing scheme was developed by Nicolas Robidoux