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app: use underlying operation in gimp_gegl_apply_cached_operation()

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In gimp_gegl_apply_cached_operation(), use the underlying
operation, as returned from
gimp_gegl_node_get_underlying_operation(), for testing whether the
operation is a point operation, for the purpose of avoiding
duplicating the input buffer.  Likewise, avoid duplicating the
buffer when the underlying operation is a source operation.

(cherry picked from commit 213b126c6e)
This commit is contained in:
Ell
2019-03-27 15:04:27 -04:00
parent 5e212fe0dd
commit b5b5d71708
1 changed files with 6 additions and 1 deletions
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7
app/gegl/gimp-gegl-apply-operation.c
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@ -118,13 +118,18 @@ gimp_gegl_apply_cached_operation (GeglBuffer *src_buffer,
if (src_buffer)
{
GeglNode *src_node;
GeglNode *underlying_operation;
underlying_operation =
gimp_gegl_node_get_underlying_operation (operation);
/* dup() because reading and writing the same buffer doesn't
* generally work with non-point ops when working in chunks.
* See bug #701875.
*/
if (src_buffer == dest_buffer &&
! gimp_gegl_node_is_point_operation (operation))
! (gimp_gegl_node_is_point_operation (underlying_operation) ||
gimp_gegl_node_is_source_operation (underlying_operation)))
{
src_buffer = gegl_buffer_dup (src_buffer);
}