1 files changed, 126 insertions, 0 deletions
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_nodes_layer_collection.cc b/source/blender/depsgraph/intern/builder/deg_builder_nodes_layer_collection.cc
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+++ b/source/blender/depsgraph/intern/builder/deg_builder_nodes_layer_collection.cc
@@ -0,0 +1,126 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * Original Author: Joshua Leung
+ * Contributor(s): Based on original depsgraph.c code - Blender Foundation (2005-2013)
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/depsgraph/intern/builder/deg_builder_nodes_layer_collection.cc
+ *  \ingroup depsgraph
+ *
+ * Methods for constructing depsgraph's nodes
+ */
+
+#include "intern/builder/deg_builder_nodes.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "MEM_guardedalloc.h"
+
+extern "C" {
+#include "BLI_utildefines.h"
+#include "BLI_listbase.h"
+#include "BLI_string.h"
+
+#include "BKE_layer.h"
+
+#include "DNA_scene_types.h"
+
+#include "DEG_depsgraph.h"
+#include "DEG_depsgraph_build.h"
+} /* extern "C" */
+
+#include "intern/builder/deg_builder.h"
+#include "intern/eval/deg_eval_copy_on_write.h"
+#include "intern/nodes/deg_node.h"
+#include "intern/nodes/deg_node_component.h"
+#include "intern/nodes/deg_node_operation.h"
+#include "intern/depsgraph_types.h"
+#include "intern/depsgraph_intern.h"
+#include "util/deg_util_foreach.h"
+
+namespace DEG {
+
+void DepsgraphNodeBuilder::build_layer_collection(
+        ID *owner_id,
+        LayerCollection *layer_collection,
+        LayerCollectionState *state)
+{
+	/* TODO(sergey): This will attempt to create component for each collection.
+	 * Harmless but could be optimized.
+	 */
+	ComponentDepsNode *comp = add_component_node(
+	        owner_id,
+	        DEG_NODE_TYPE_LAYER_COLLECTIONS);
+
+	add_operation_node(comp,
+	                   function_bind(BKE_layer_eval_layer_collection,
+	                                 _1,
+	                                 layer_collection,
+	                                 state->parent),
+	                   DEG_OPCODE_VIEW_LAYER_EVAL,
+	                   layer_collection->scene_collection->name,
+	                   state->index);
+	++state->index;
+
+	/* Recurs into nested layer collections. */
+	LayerCollection *parent = state->parent;
+	state->parent = layer_collection;
+	build_layer_collections(owner_id, &layer_collection->layer_collections, state);
+	state->parent = parent;
+}
+
+void DepsgraphNodeBuilder::build_layer_collections(ID *owner_id,
+                                                   ListBase *layer_collections,
+                                                   LayerCollectionState *state)
+{
+	BLI_LISTBASE_FOREACH (LayerCollection *, layer_collection, layer_collections) {
+		build_layer_collection(owner_id, layer_collection, state);
+	}
+}
+
+void DepsgraphNodeBuilder::build_view_layer_collections(
+        ID *owner_id,
+        ViewLayer *view_layer)
+{
+	LayerCollectionState state;
+	state.index = 0;
+	ComponentDepsNode *comp = add_component_node(
+	        owner_id,
+	        DEG_NODE_TYPE_LAYER_COLLECTIONS);
+	add_operation_node(comp,
+	                   function_bind(BKE_layer_eval_layer_collection_pre,
+	                                 _1,
+	                                 owner_id,
+	                                 view_layer),
+	                   DEG_OPCODE_VIEW_LAYER_INIT);
+	add_operation_node(comp,
+	                   function_bind(BKE_layer_eval_layer_collection_post,
+	                                 _1,
+	                                 view_layer),
+	                   DEG_OPCODE_VIEW_LAYER_DONE);
+	state.parent = NULL;
+	build_layer_collections(owner_id, &view_layer->layer_collections, &state);
+}
+
+}  // namespace DEG