[gegl] gaussian-blur: add some level arguments towards mipmap rendering

[Øyvind Kolås <ok src gnome org>]

commit 01d1ef97e54cd306a64f148500d61e6ac125c53d
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Feb 7 17:31:47 2017 +0100

    gaussian-blur: add some level arguments towards mipmap rendering
    
    No speed up yet, but propagating level to inner process.

 operations/common/gblur-1d.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/operations/common/gblur-1d.c b/operations/common/gblur-1d.c
index 7cee23e..9081194 100644
--- a/operations/common/gblur-1d.c
+++ b/operations/common/gblur-1d.c
@@ -347,7 +347,8 @@ fir_ver_blur (GeglBuffer          *src,
               gfloat              *cmatrix,
               gint                 clen,
               GeglAbyssPolicy      policy,
-              const Babl          *format)
+              const Babl          *format,
+              gint                 level)
 {
   GeglRectangle  cur_col = *rect;
   GeglRectangle  in_col;
@@ -808,9 +809,9 @@ gegl_gblur_1d_process (GeglOperation       *operation,
       iir_young_find_constants (o->std_dev, b, m);
 
       if (o->orientation == GEGL_ORIENTATION_HORIZONTAL)
-        iir_young_hor_blur (input, result, output, b, m, abyss_policy, format);
+        iir_young_hor_blur (input, result, output, b, m, abyss_policy, format, level);
       else
-        iir_young_ver_blur (input, result, output, b, m, abyss_policy, format);
+        iir_young_ver_blur (input, result, output, b, m, abyss_policy, format, level);
     }
   else
     {
@@ -830,9 +831,9 @@ gegl_gblur_1d_process (GeglOperation       *operation,
         }
 
       if (o->orientation == GEGL_ORIENTATION_HORIZONTAL)
-        fir_hor_blur (input, result, output, cmatrix, clen, abyss_policy, format);
+        fir_hor_blur (input, result, output, cmatrix, clen, abyss_policy, format, level);
       else
-        fir_ver_blur (input, result, output, cmatrix, clen, abyss_policy, format);
+        fir_ver_blur (input, result, output, cmatrix, clen, abyss_policy, format, level);
 
       gegl_free (cmatrix);
     }