[gegl/abyss: 17/22] node: set correct abyss for node cache buffer

[Ville Sokk <villesokk src gnome org>]

commit 9f97a46adad397e617ba7431500ded660027b258
Author: Ville Sokk <ville sokk gmail com>
Date:   Sun Jul 8 20:01:16 2012 +0300

    node: set correct abyss for node cache buffer

 gegl/graph/gegl-node.c |   13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)
---
diff --git a/gegl/graph/gegl-node.c b/gegl/graph/gegl-node.c
index b9c9bd3..5aaeeef 100644
--- a/gegl/graph/gegl-node.c
+++ b/gegl/graph/gegl-node.c
@@ -540,6 +540,7 @@ gegl_node_invalidated (GeglNode            *node,
     {
       if (rect && clear_cache)
         gegl_buffer_clear (GEGL_BUFFER (node->cache), rect);
+
       gegl_cache_invalidate (node->cache, rect);
     }
   node->valid_have_rect = FALSE;
@@ -1763,6 +1764,9 @@ gegl_node_get_bounding_box (GeglNode *root)
   g_object_unref (root);
   g_free (id);
 
+  if (root->cache)
+    gegl_buffer_set_abyss (GEGL_BUFFER (root->cache), &root->have_rect);
+
   root->valid_have_rect = TRUE;
   return root->have_rect;
 }
@@ -2036,8 +2040,9 @@ gegl_node_get_cache (GeglNode *node)
 
   if (!node->cache)
     {
-      GeglPad    *pad;
-      const Babl *format;
+      GeglPad       *pad;
+      const Babl    *format;
+      GeglRectangle  bounds = gegl_node_get_bounding_box (node);
 
       /* XXX: it should be possible to have cache for other pads than
        * only "output" pads
@@ -2045,6 +2050,7 @@ gegl_node_get_cache (GeglNode *node)
       pad = gegl_node_get_pad (node, "output");
       if (!pad)
         return NULL;
+
       format = gegl_pad_get_format (pad);
       if (!format)
         {
@@ -2055,6 +2061,9 @@ gegl_node_get_cache (GeglNode *node)
                                   "node", node,
                                   "format", format,
                                   NULL);
+
+      gegl_buffer_set_abyss (GEGL_BUFFER (node->cache), &bounds);
+
       g_signal_connect (G_OBJECT (node->cache), "computed",
                         (GCallback) gegl_node_computed_event,
                         node);