deg_eval_runtime_backup_movieclip.cc

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/* SPDX-FileCopyrightText: 2019 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "intern/eval/deg_eval_runtime_backup_movieclip.h"
 
#include "DNA_movieclip_types.h"
 
#include "BLI_utildefines.h"
 
namespace blender::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 blender::deg