[gegl/threaded-base-classes] opt some ops out of parallelization

[Øyvind Kolås <ok src gnome org>]

commit e3092a17be22ffa75602931d67a6925167e19f32
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri Jun 27 10:05:12 2014 +0200

    opt some ops out of parallelization

 operations/common/checkerboard.c |    1 +
 operations/core/crop.c           |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/operations/common/checkerboard.c b/operations/common/checkerboard.c
index 8dc58de..be55fdb 100644
--- a/operations/common/checkerboard.c
+++ b/operations/common/checkerboard.c
@@ -331,6 +331,7 @@ gegl_op_class_init (GeglOpClass *klass)
   source_class->process = operation_source_process;
   operation_class->get_bounding_box = get_bounding_box;
   operation_class->prepare = prepare;
+  operation_class->parallelize = FALSE;
 
   gegl_operation_class_set_keys (operation_class,
     "name",               "gegl:checkerboard",
diff --git a/operations/core/crop.c b/operations/core/crop.c
index 94b9427..7ce8d4c 100644
--- a/operations/core/crop.c
+++ b/operations/core/crop.c
@@ -189,6 +189,7 @@ gegl_op_class_init (GeglOpClass *klass)
 
   operation_class = GEGL_OPERATION_CLASS (klass);
 
+  operation_class->parallelize               = FALSE;
   operation_class->process                   = gegl_crop_process;
   operation_class->prepare                   = gegl_crop_prepare;
   operation_class->get_bounding_box          = gegl_crop_get_bounding_box;