[gegl] map-absolute: propagate space

[Øyvind "pippin" Kolås <ok src gnome org>]

commit f42e0d673fc997ad6e8e99aa775cf60e9ca8b72f
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Jul 5 23:09:16 2018 +0200

    map-absolute: propagate space

 operations/common/map-absolute.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/operations/common/map-absolute.c b/operations/common/map-absolute.c
index e25c04cbb..b60068b6e 100644
--- a/operations/common/map-absolute.c
+++ b/operations/common/map-absolute.c
@@ -41,7 +41,8 @@ property_enum (abyss_policy, _("Abyss policy"),
 static void
 prepare (GeglOperation *operation)
 {
-  const Babl *format = babl_format ("RGBA float");
+  const Babl *space = gegl_operation_get_source_space (operation, "input");
+  const Babl *format = babl_format_with_space ("RGBA float", space);
 
   gegl_operation_set_format (operation, "input", format);
   gegl_operation_set_format (operation, "aux", babl_format_n (babl_type ("float"), 2));
@@ -73,7 +74,7 @@ process (GeglOperation       *operation,
   GeglBufferIterator   *it;
   gint                  index_in, index_out, index_coords;
 
-  format_io = babl_format ("RGBA float");
+  format_io = gegl_operation_get_format (operation,"output");
   format_coords = babl_format_n (babl_type ("float"), 2);
 
   sampler = gegl_buffer_sampler_new_at_level (input, format_io, o->sampler_type,