1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License
4 * as published by the Free Software Foundation; either version 2
5 * of the License, or (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software Foundation,
14 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15 *
16 * The Original Code is Copyright (C) 2013 Blender Foundation.
17 * All rights reserved.
18 */
19
20 /** \file
21 * \ingroup depsgraph
22 *
23 * Evaluation engine entry-points for Depsgraph Engine.
24 */
25
26 #include "MEM_guardedalloc.h"
27
28 #include "BLI_listbase.h"
29 #include "BLI_utildefines.h"
30
31 #include "BKE_scene.h"
32
33 #include "DNA_object_types.h"
34 #include "DNA_scene_types.h"
35
36 #include "DEG_depsgraph.h"
37 #include "DEG_depsgraph_query.h"
38
39 #include "intern/eval/deg_eval.h"
40 #include "intern/eval/deg_eval_flush.h"
41
42 #include "intern/node/deg_node.h"
43 #include "intern/node/deg_node_operation.h"
44 #include "intern/node/deg_node_time.h"
45
46 #include "intern/depsgraph.h"
47
48 namespace deg = blender::deg;
49
deg_flush_updates_and_refresh(deg::Depsgraph * deg_graph)50 static void deg_flush_updates_and_refresh(deg::Depsgraph *deg_graph)
51 {
52 /* Update the time on the cow scene. */
53 if (deg_graph->scene_cow) {
54 BKE_scene_frame_set(deg_graph->scene_cow, deg_graph->ctime);
55 }
56
57 deg::deg_graph_flush_updates(deg_graph);
58 deg::deg_evaluate_on_refresh(deg_graph);
59 }
60
61 /* Evaluate all nodes tagged for updating. */
DEG_evaluate_on_refresh(Depsgraph * graph)62 void DEG_evaluate_on_refresh(Depsgraph *graph)
63 {
64 deg::Depsgraph *deg_graph = reinterpret_cast<deg::Depsgraph *>(graph);
65 const Scene *scene = DEG_get_input_scene(graph);
66 const float ctime = BKE_scene_frame_get(scene);
67
68 if (ctime != deg_graph->ctime) {
69 deg_graph->tag_time_source();
70 deg_graph->ctime = ctime;
71 }
72
73 deg_flush_updates_and_refresh(deg_graph);
74 }
75
76 /* Frame-change happened for root scene that graph belongs to. */
DEG_evaluate_on_framechange(Depsgraph * graph,float ctime)77 void DEG_evaluate_on_framechange(Depsgraph *graph, float ctime)
78 {
79 deg::Depsgraph *deg_graph = reinterpret_cast<deg::Depsgraph *>(graph);
80 deg_graph->tag_time_source();
81 deg_graph->ctime = ctime;
82 deg_flush_updates_and_refresh(deg_graph);
83 }
84