Commit bf6dd78e authored by Ell's avatar Ell

buffer: add gegl_tile_needs_store() internal function

... which determines if a tile will be needs to be stored.  This is
a slightly stronger condition than ! gegl_tile_is_stored():  a tile
needs to be stored if it has an associated tile-storage, is
unstored, and is undamaged.
parent eac67d7b
......@@ -187,6 +187,7 @@ struct _GeglTile
gpointer unlock_notify_data;
gboolean gegl_tile_needs_store (GeglTile *tile);
void gegl_tile_unlock_no_void (GeglTile *tile);
gboolean gegl_tile_damage (GeglTile *tile,
guint64 damage);
......@@ -383,6 +383,14 @@ gegl_tile_is_stored (GeglTile *tile)
return tile->stored_rev == tile->rev;
gegl_tile_needs_store (GeglTile *tile)
return tile->tile_storage &&
! gegl_tile_is_stored (tile) &&
! tile->damage;
gegl_tile_void (GeglTile *tile)
......@@ -418,7 +426,7 @@ gboolean gegl_tile_store (GeglTile *tile)
gboolean ret;
if (gegl_tile_is_stored (tile))
return TRUE;
if (tile->tile_storage == NULL || tile->damage)
else if (! gegl_tile_needs_store (tile))
return FALSE;
g_rec_mutex_lock (&tile->tile_storage->mutex);
......@@ -426,7 +434,7 @@ gboolean gegl_tile_store (GeglTile *tile)
if (gegl_tile_is_stored (tile))
g_rec_mutex_unlock (&tile->tile_storage->mutex);
return FALSE;
return TRUE;
ret = gegl_tile_source_set_tile (GEGL_TILE_SOURCE (tile->tile_storage),
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