130 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * ***** BEGIN GPL LICENSE BLOCK *****
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 *
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 * The Original Code is Copyright (C) 2016 Blender Foundation.
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 * All rights reserved.
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 *
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 * Original Author: Sergey Sharybin
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 * Contributor(s): None Yet
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 *
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 * ***** END GPL LICENSE BLOCK *****
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 */
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/** \file blender/depsgraph/intern/builder/deg_builder.cc
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 *  \ingroup depsgraph
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 */
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#include "intern/builder/deg_builder.h"
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// TODO(sergey): Use own wrapper over STD.
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#include <stack>
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#include "DNA_anim_types.h"
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#include "BLI_utildefines.h"
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#include "BLI_ghash.h"
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#include "intern/depsgraph.h"
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#include "intern/depsgraph_types.h"
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#include "intern/nodes/deg_node.h"
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#include "intern/nodes/deg_node_component.h"
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#include "intern/nodes/deg_node_operation.h"
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#include "util/deg_util_foreach.h"
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namespace DEG {
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string deg_fcurve_id_name(const FCurve *fcu)
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{
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	char index_buf[32];
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	// TODO(sergey): Use int-to-string utility or so.
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	BLI_snprintf(index_buf, sizeof(index_buf), "[%d]", fcu->array_index);
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	return string(fcu->rna_path) + index_buf;
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}
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void deg_graph_build_finalize(Depsgraph *graph)
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{
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	std::stack<OperationDepsNode *> stack;
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	foreach (OperationDepsNode *node, graph->operations) {
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		IDDepsNode *id_node = node->owner->owner;
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		node->done = 0;
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		node->num_links_pending = 0;
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		foreach (DepsRelation *rel, node->outlinks) {
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			if ((rel->from->type == DEPSNODE_TYPE_OPERATION) &&
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			    (rel->flag & DEPSREL_FLAG_CYCLIC) == 0)
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			{
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				++node->num_links_pending;
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			}
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		}
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		if (node->num_links_pending == 0) {
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			stack.push(node);
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			node->done = 1;
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		}
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		node->owner->layers = id_node->layers;
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		id_node->id->tag |= LIB_TAG_DOIT;
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	}
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	while (!stack.empty()) {
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		OperationDepsNode *node = stack.top();
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		stack.pop();
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		/* Flush layers to parents. */
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		foreach (DepsRelation *rel, node->inlinks) {
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			if (rel->from->type == DEPSNODE_TYPE_OPERATION) {
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				OperationDepsNode *from = (OperationDepsNode *)rel->from;
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				from->owner->layers |= node->owner->layers;
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			}
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		}
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		/* Schedule parent nodes. */
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		foreach (DepsRelation *rel, node->inlinks) {
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			if (rel->from->type == DEPSNODE_TYPE_OPERATION) {
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				OperationDepsNode *from = (OperationDepsNode *)rel->from;
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				if ((rel->flag & DEPSREL_FLAG_CYCLIC) == 0) {
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					BLI_assert(from->num_links_pending > 0);
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					--from->num_links_pending;
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				}
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				if (from->num_links_pending == 0 && from->done == 0) {
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					stack.push(from);
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					from->done = 1;
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				}
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			}
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		}
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	}
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	/* Re-tag IDs for update if it was tagged before the relations update tag. */
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	GHASH_FOREACH_BEGIN(IDDepsNode *, id_node, graph->id_hash)
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	{
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		GHASH_FOREACH_BEGIN(ComponentDepsNode *, comp, id_node->components)
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		{
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			id_node->layers |= comp->layers;
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		}
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		GHASH_FOREACH_END();
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		ID *id = id_node->id;
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		if (id->tag & LIB_TAG_ID_RECALC_ALL &&
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		    id->tag & LIB_TAG_DOIT)
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		{
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			id_node->tag_update(graph);
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			id->tag &= ~LIB_TAG_DOIT;
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		}
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		id_node->finalize_build();
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	}
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	GHASH_FOREACH_END();
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}
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}  // namespace DEG
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