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blender-archive/source/blender/depsgraph/intern/depsgraph_registry.cc

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/*
* 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) 2019 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup depsgraph
*/
#include "intern/depsgraph_registry.h"
#include "BLI_utildefines.h"
#include "intern/depsgraph.h"
namespace blender::deg {
using GraphRegistry = Map<Main *, VectorSet<Depsgraph *>>;
static GraphRegistry &get_graph_registry()
{
static GraphRegistry graph_registry;
return graph_registry;
}
void register_graph(Depsgraph *depsgraph)
{
Main *bmain = depsgraph->bmain;
get_graph_registry().lookup_or_add_default(bmain).add_new(depsgraph);
}
void unregister_graph(Depsgraph *depsgraph)
{
Main *bmain = depsgraph->bmain;
GraphRegistry &graph_registry = get_graph_registry();
VectorSet<Depsgraph *> &graphs = graph_registry.lookup(bmain);
graphs.remove(depsgraph);
// If this was the last depsgraph associated with the main, remove the main entry as well.
if (graphs.is_empty()) {
graph_registry.remove(bmain);
}
}
Span<Depsgraph *> get_all_registered_graphs(Main *bmain)
{
VectorSet<Depsgraph *> *graphs = get_graph_registry().lookup_ptr(bmain);
if (graphs != nullptr) {
return *graphs;
}
return {};
}
} // namespace blender::deg