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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/eval/deg_eval_runtime_backup_movieclip.h"
#include "DNA_movieclip_types.h"
#include "BLI_utildefines.h"
namespace blender {
namespace deg {
MovieClipBackup::MovieClipBackup(const Depsgraph * /*depsgraph*/)
{
reset();
}
void MovieClipBackup::reset()
{
anim = nullptr;
cache = nullptr;
}
void MovieClipBackup::init_from_movieclip(MovieClip *movieclip)
{
anim = movieclip->anim;
cache = movieclip->cache;
/* Clear pointers stored in the movie clip, so they are not freed when copied-on-written
* datablock is freed for re-allocation. */
movieclip->anim = nullptr;
movieclip->cache = nullptr;
}
void MovieClipBackup::restore_to_movieclip(MovieClip *movieclip)
{
movieclip->anim = anim;
movieclip->cache = cache;
reset();
}
} // namespace deg
} // namespace blender
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