source/blender/depsgraph/intern/node/deg_node.cc

   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 blender/depsgraph/intern/node/deg_node.cc
  21  *  \ingroup depsgraph
  22  */
  23
  24 #include "intern/node/deg_node.h"
  25
  26 #include <stdio.h>
  27
  28 #include "BLI_utildefines.h"
  29
  30 #include "intern/depsgraph.h"
  31 #include "intern/eval/deg_eval_copy_on_write.h"
  32 #include "intern/node/deg_node_component.h"
  33 #include "intern/node/deg_node_factory.h"
  34 #include "intern/node/deg_node_id.h"
  35 #include "intern/node/deg_node_operation.h"
  36 #include "intern/node/deg_node_time.h"
  37
  38 namespace DEG {
  39
  40 const char *nodeClassAsString(NodeClass node_class)
  41 {
  42         switch (node_class) {
  43                 case NodeClass::GENERIC: return "GENERIC";
  44                 case NodeClass::COMPONENT: return "COMPONENT";
  45                 case NodeClass::OPERATION: return "OPERATION";
  46         }
  47         BLI_assert(!"Unhandled node class, should never happen.");
  48         return "UNKNOWN";
  49 }
  50
  51 const char *nodeTypeAsString(NodeType type)
  52 {
  53         switch (type) {
  54                 case NodeType::UNDEFINED: return "UNDEFINED";
  55                 case NodeType::OPERATION: return "OPERATION";
  56                 /* **** Generic Types **** */
  57                 case NodeType::TIMESOURCE: return "TIMESOURCE";
  58                 case NodeType::ID_REF: return "ID_REF";
  59                 /* **** Outer Types **** */
  60                 case NodeType::PARAMETERS: return "PARAMETERS";
  61                 case NodeType::PROXY: return "PROXY";
  62                 case NodeType::ANIMATION: return "ANIMATION";
  63                 case NodeType::TRANSFORM: return "TRANSFORM";
  64                 case NodeType::GEOMETRY: return "GEOMETRY";
  65                 case NodeType::SEQUENCER: return "SEQUENCER";
  66                 case NodeType::LAYER_COLLECTIONS: return "LAYER_COLLECTIONS";
  67                 case NodeType::COPY_ON_WRITE: return "COPY_ON_WRITE";
  68                 case NodeType::OBJECT_FROM_LAYER: return "OBJECT_FROM_LAYER";
  69                 /* **** Evaluation-Related Outer Types (with Subdata) **** */
  70                 case NodeType::EVAL_POSE: return "EVAL_POSE";
  71                 case NodeType::BONE: return "BONE";
  72                 case NodeType::PARTICLE_SYSTEM: return "PARTICLE_SYSTEM";
  73                 case NodeType::PARTICLE_SETTINGS: return "PARTICLE_SETTINGS";
  74                 case NodeType::SHADING: return "SHADING";
  75                 case NodeType::SHADING_PARAMETERS: return "SHADING_PARAMETERS";
  76                 case NodeType::CACHE: return "CACHE";
  77                 case NodeType::POINT_CACHE: return "POINT_CACHE";
  78                 case NodeType::BATCH_CACHE: return "BATCH_CACHE";
  79                 /* Duplication. */
  80                 case NodeType::DUPLI: return "DUPLI";
  81                 /* Synchronization. */
  82                 case NodeType::SYNCHRONIZATION: return "SYNCHRONIZATION";
  83                 /* Generic datablock. */
  84                 case NodeType::GENERIC_DATABLOCK: return "GENERIC_DATABLOCK";
  85
  86                 /* Total number of meaningful node types. */
  87                 case NodeType::NUM_TYPES: return "SpecialCase";
  88         }
  89         BLI_assert(!"Unhandled node type, should never happen.");
  90         return "UNKNOWN";
  91 }
  92
  93 /*******************************************************************************
  94  * Type information.
  95  */
  96
  97 Node::TypeInfo::TypeInfo(NodeType type,
  98                              const char *type_name,
  99                              int id_recalc_tag)
 100         : type(type),
 101           type_name(type_name),
 102           id_recalc_tag(id_recalc_tag)
 103 {
 104 }
 105
 106 /*******************************************************************************
 107  * Evaluation statistics.
 108  */
 109
 110 Node::Stats::Stats()
 111 {
 112         reset();
 113 }
 114
 115 void Node::Stats::reset()
 116 {
 117         current_time = 0.0;
 118 }
 119
 120 void Node::Stats::reset_current()
 121 {
 122         current_time = 0.0;
 123 }
 124
 125 /*******************************************************************************
 126  * Node itself.
 127  */
 128
 129 Node::Node()
 130 {
 131         name = "";
 132 }
 133
 134 Node::~Node()
 135 {
 136         /* Free links. */
 137         /* NOTE: We only free incoming links. This is to avoid double-free of links
 138          * when we're trying to free same link from both it's sides. We don't have
 139          * dangling links so this is not a problem from memory leaks point of view. */
 140         for (Relation *rel : inlinks) {
 141                 OBJECT_GUARDED_DELETE(rel, Relation);
 142         }
 143 }
 144
 145
 146 /* Generic identifier for Depsgraph Nodes. */
 147 string Node::identifier() const
 148 {
 149         return string(nodeTypeAsString(type)) + " : " + name;
 150 }
 151
 152 NodeClass Node::get_class() const {
 153         if (type == NodeType::OPERATION) {
 154                 return NodeClass::OPERATION;
 155         }
 156         else if (type < NodeType::PARAMETERS) {
 157                 return NodeClass::GENERIC;
 158         }
 159         else {
 160                 return NodeClass::COMPONENT;
 161         }
 162 }
 163
 164 /*******************************************************************************
 165  * Generic nodes definition.
 166  */
 167
 168 DEG_DEPSNODE_DEFINE(TimeSourceNode, NodeType::TIMESOURCE, "Time Source");
 169 static DepsNodeFactoryImpl<TimeSourceNode> DNTI_TIMESOURCE;
 170
 171 DEG_DEPSNODE_DEFINE(IDNode, NodeType::ID_REF, "ID Node");
 172 static DepsNodeFactoryImpl<IDNode> DNTI_ID_REF;
 173
 174 void deg_register_base_depsnodes()
 175 {
 176         register_node_typeinfo(&DNTI_TIMESOURCE);
 177         register_node_typeinfo(&DNTI_ID_REF);
 178 }
 179
 180 }  // namespace DEG