120 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			3.2 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) 2017 Blender Foundation.
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|  * All rights reserved.
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|  */
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| 
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| /** \file
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|  * \ingroup depsgraph
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|  */
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| 
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| #include "intern/eval/deg_eval_runtime_backup.h"
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| 
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| #include "intern/eval/deg_eval_copy_on_write.h"
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| 
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| #include "BLI_utildefines.h"
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| 
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| #include "DRW_engine.h"
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| 
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| namespace blender::deg {
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| 
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| RuntimeBackup::RuntimeBackup(const Depsgraph *depsgraph)
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|     : have_backup(false),
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|       animation_backup(depsgraph),
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|       scene_backup(depsgraph),
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|       sound_backup(depsgraph),
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|       object_backup(depsgraph),
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|       drawdata_ptr(nullptr),
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|       movieclip_backup(depsgraph),
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|       volume_backup(depsgraph)
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| {
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|   drawdata_backup.first = drawdata_backup.last = nullptr;
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| }
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| 
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| void RuntimeBackup::init_from_id(ID *id)
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| {
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|   if (!deg_copy_on_write_is_expanded(id)) {
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|     return;
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|   }
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|   have_backup = true;
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| 
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|   animation_backup.init_from_id(id);
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| 
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|   const ID_Type id_type = GS(id->name);
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|   switch (id_type) {
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|     case ID_OB:
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|       object_backup.init_from_object(reinterpret_cast<Object *>(id));
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|       break;
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|     case ID_SCE:
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|       scene_backup.init_from_scene(reinterpret_cast<Scene *>(id));
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|       break;
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|     case ID_SO:
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|       sound_backup.init_from_sound(reinterpret_cast<bSound *>(id));
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|       break;
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|     case ID_MC:
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|       movieclip_backup.init_from_movieclip(reinterpret_cast<MovieClip *>(id));
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|       break;
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|     case ID_VO:
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|       volume_backup.init_from_volume(reinterpret_cast<Volume *>(id));
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|       break;
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|     default:
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|       break;
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|   }
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| 
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|   /* Note that we never free GPU draw data from here since that's not
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|    * safe for threading and draw data is likely to be re-used. */
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|   drawdata_ptr = DRW_drawdatalist_from_id(id);
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|   if (drawdata_ptr != nullptr) {
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|     drawdata_backup = *drawdata_ptr;
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|     drawdata_ptr->first = drawdata_ptr->last = nullptr;
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|   }
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| }
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| 
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| void RuntimeBackup::restore_to_id(ID *id)
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| {
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|   if (!have_backup) {
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|     return;
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|   }
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| 
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|   animation_backup.restore_to_id(id);
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| 
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|   const ID_Type id_type = GS(id->name);
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|   switch (id_type) {
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|     case ID_OB:
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|       object_backup.restore_to_object(reinterpret_cast<Object *>(id));
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|       break;
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|     case ID_SCE:
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|       scene_backup.restore_to_scene(reinterpret_cast<Scene *>(id));
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|       break;
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|     case ID_SO:
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|       sound_backup.restore_to_sound(reinterpret_cast<bSound *>(id));
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|       break;
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|     case ID_MC:
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|       movieclip_backup.restore_to_movieclip(reinterpret_cast<MovieClip *>(id));
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|       break;
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|     case ID_VO:
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|       volume_backup.restore_to_volume(reinterpret_cast<Volume *>(id));
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|       break;
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|     default:
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|       break;
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|   }
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|   if (drawdata_ptr != nullptr) {
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|     *drawdata_ptr = drawdata_backup;
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|   }
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| }
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| 
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| }  // namespace blender::deg
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