[gegl] lohalo: trigger mipmaps when downsampling by more than 4x

[Nicolas Robidoux <nrobidoux src gnome org>]

commit 71cc33d1a15f1a8f9554c23ca40b31fd7a935d22
Author: Nicolas Robidoux <nrobidoux git gnome org>
Date:   Thu Dec 20 14:16:45 2012 -0500

    lohalo: trigger mipmaps when downsampling by more than 4x

 gegl/buffer/gegl-sampler-lohalo.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gegl/buffer/gegl-sampler-lohalo.c b/gegl/buffer/gegl-sampler-lohalo.c
index cdea993..d853502 100644
--- a/gegl/buffer/gegl-sampler-lohalo.c
+++ b/gegl/buffer/gegl-sampler-lohalo.c
@@ -411,7 +411,7 @@ gegl_sampler_lohalo_class_init (GeglSamplerLohaloClass *klass)
 /*
  * IMPORTANT: LOHALO_OFFSET_0 SHOULD BE AN INTEGER >= 2.
  */
-#define LOHALO_OFFSET_0 (8)
+#define LOHALO_OFFSET_0 (4)
 #define LOHALO_SIZE_0 ( 1 + 2 * LOHALO_OFFSET_0 )
 
 /*
@@ -424,7 +424,7 @@ gegl_sampler_lohalo_class_init (GeglSamplerLohaloClass *klass)
  * mipmap level's offset should almost never be smaller than half the
  * previous level's offset.
  */
-#define LOHALO_OFFSET_MIPMAP (8)
+#define LOHALO_OFFSET_MIPMAP (4)
 #define LOHALO_SIZE_MIPMAP ( 1 + 2 * LOHALO_OFFSET_MIPMAP )
 
 #define LOHALO_OFFSET_1 LOHALO_OFFSET_MIPMAP