text: /*
   * 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_modifier.h"
  
  namespace DEG {
  
  ModifierDataBackupID::ModifierDataBackupID(const Depsgraph * /*depsgraph*/)
      : ModifierDataBackupID(nullptr, eModifierType_None)
  {
  }
  
  ModifierDataBackupID::ModifierDataBackupID(ModifierData *modifier_data, ModifierType type)
      : modifier_data(modifier_data), type(type)
  {
  }
  
  bool operator==(const ModifierDataBackupID &a, const ModifierDataBackupID &b)
  {
    return a.modifier_data == b.modifier_data && a.type == b.type;
  }
  
  uint32_t ModifierDataBackupID::hash() const
  {
    uintptr_t ptr = (uintptr_t)modifier_data;
    return (ptr >> 4) ^ (uintptr_t)type;
  }
  
  }  // namespace DEG
  