[Bf-blender-cvs] [18c7575f93a] blender2.8: Depsgraph: Introduce ID recalc flag for COW component

[Sergey Sharybin]

Commit: 18c7575f93aa73f3a25290a97950d4eb6d37f94c
Author: Sergey Sharybin
Date:   Wed Apr 11 17:29:00 2018 +0200
Branches: blender2.8
https://developer.blender.org/rB18c7575f93aa73f3a25290a97950d4eb6d37f94c

Depsgraph: Introduce ID recalc flag for COW component

Currently unused, but will become handy to check whether ID needs
to have COW update to be run.

===================================================================

M	source/blender/depsgraph/intern/eval/deg_eval_flush.cc
M	source/blender/depsgraph/intern/nodes/deg_node_component.cc
M	source/blender/makesdna/DNA_ID.h

===================================================================

diff --git a/source/blender/depsgraph/intern/eval/deg_eval_flush.cc b/source/blender/depsgraph/intern/eval/deg_eval_flush.cc
index 8be8a4b31ba..c22d27c118b 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_flush.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_flush.cc
@@ -155,6 +155,7 @@ BLI_INLINE void flush_handle_component_node(Depsgraph *graph,
 		ComponentDepsNode *cow_comp =
 		        id_node->find_component(DEG_NODE_TYPE_COPY_ON_WRITE);
 		cow_comp->tag_update(graph);
+		id_node->id_orig->recalc |= ID_RECALC_COPY_ON_WRITE;
 	}
 	/* Tag all required operations in component for update.  */
 	foreach (OperationDepsNode *op, comp_node->operations) {
@@ -168,7 +169,7 @@ BLI_INLINE void flush_handle_component_node(Depsgraph *graph,
 		}
 		op->flag |= DEPSOP_FLAG_NEEDS_UPDATE;
 	}
-	/* When some target changes bone, we might need to re-run the
+	/* when some target changes bone, we might need to re-run the
 	 * whole IK solver, otherwise result might be unpredictable.
 	 */
 	if (comp_node->type == DEG_NODE_TYPE_BONE) {
diff --git a/source/blender/depsgraph/intern/nodes/deg_node_component.cc b/source/blender/depsgraph/intern/nodes/deg_node_component.cc
index 6c33856555e..786faa6e86c 100644
--- a/source/blender/depsgraph/intern/nodes/deg_node_component.cc
+++ b/source/blender/depsgraph/intern/nodes/deg_node_component.cc
@@ -381,7 +381,7 @@ DEG_COMPONENT_NODE_DEFINE(Animation,         ANIMATION,          ID_RECALC_ANIMA
 DEG_COMPONENT_NODE_DEFINE(BatchCache,        BATCH_CACHE,        ID_RECALC_DRAW_CACHE);
 DEG_COMPONENT_NODE_DEFINE(Bone,              BONE,               ID_RECALC_GEOMETRY);
 DEG_COMPONENT_NODE_DEFINE(Cache,             CACHE,              ID_RECALC);
-DEG_COMPONENT_NODE_DEFINE(CopyOnWrite,       COPY_ON_WRITE,      ID_RECALC);
+DEG_COMPONENT_NODE_DEFINE(CopyOnWrite,       COPY_ON_WRITE,      ID_RECALC_COPY_ON_WRITE);
 DEG_COMPONENT_NODE_DEFINE(Geometry,          GEOMETRY,           ID_RECALC_GEOMETRY);
 DEG_COMPONENT_NODE_DEFINE(LayerCollections,  LAYER_COLLECTIONS,  ID_RECALC_COLLECTIONS);
 DEG_COMPONENT_NODE_DEFINE(Parameters,        PARAMETERS,         ID_RECALC);
diff --git a/source/blender/makesdna/DNA_ID.h b/source/blender/makesdna/DNA_ID.h
index fd8cd8b2855..778aaec7d19 100644
--- a/source/blender/makesdna/DNA_ID.h
+++ b/source/blender/makesdna/DNA_ID.h
@@ -472,6 +472,7 @@ enum {
 	ID_RECALC_GEOMETRY    = 1 << 4,
 	ID_RECALC_TRANSFORM   = 1 << 5,
 	ID_RECALC_COLLECTIONS = 1 << 6,
+	ID_RECALC_COPY_ON_WRITE = 1 << 7,
 	/* Special flag to check if SOMETHING was changed. */
 	ID_RECALC_ALL   = (~(int)0),
 };