Sergey Sharybin
022de797f1
Allows to access dependency graphs created for render engines to inform them about changes in .blend file structure from the Python handlers. Reviewers: brecht Differential Revision: https://developer.blender.org/D5724
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*
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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) 2019 Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup depsgraph
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*/
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#include "intern/depsgraph_registry.h"
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#include "BLI_utildefines.h"
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#include "intern/depsgraph.h"
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namespace DEG {
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typedef set<Depsgraph *> DepsgraphStorage;
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typedef map<Main *, DepsgraphStorage> MainDepsgraphMap;
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static MainDepsgraphMap g_graph_registry;
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void register_graph(Depsgraph *depsgraph)
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{
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Main *bmain = depsgraph->bmain;
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MainDepsgraphMap::iterator it = g_graph_registry.find(bmain);
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if (it == g_graph_registry.end()) {
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it = g_graph_registry.insert(make_pair(bmain, DepsgraphStorage())).first;
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}
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DepsgraphStorage &storage = it->second;
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storage.insert(depsgraph);
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}
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void unregister_graph(Depsgraph *depsgraph)
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{
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Main *bmain = depsgraph->bmain;
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MainDepsgraphMap::iterator it = g_graph_registry.find(bmain);
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BLI_assert(it != g_graph_registry.end());
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// Remove dependency graph from storage.
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DepsgraphStorage &storage = it->second;
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storage.erase(depsgraph);
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// If this was the last depsgraph associated with the main, remove the main entry as well.
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if (storage.empty()) {
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g_graph_registry.erase(bmain);
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}
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}
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const set<Depsgraph *> &get_all_registered_graphs(Main *bmain)
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{
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MainDepsgraphMap::iterator it = g_graph_registry.find(bmain);
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if (it == g_graph_registry.end()) {
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static DepsgraphStorage empty_storage;
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return empty_storage;
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}
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return it->second;
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}
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} // namespace DEG
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