Blender V2.61 - r43446
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00001 /* 00002 * ***** BEGIN GPL LICENSE BLOCK ***** 00003 * 00004 * This program is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU General Public License 00006 * as published by the Free Software Foundation; either version 2 00007 * of the License, or (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software Foundation, 00016 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00017 * 00018 * The Original Code is Copyright (C) 2007 Blender Foundation. 00019 * All rights reserved. 00020 * 00021 * The Original Code is: all of this file. 00022 * 00023 * Contributor(s): Nathan Letwory. 00024 * 00025 * ***** END GPL LICENSE BLOCK ***** 00026 */ 00027 00033 #ifndef NODE_EXEC_H_ 00034 #define NODE_EXEC_H_ 00035 00036 #include "DNA_listBase.h" 00037 00038 #include "BLI_utildefines.h" 00039 00040 #include "BKE_node.h" 00041 00042 #include "RNA_types.h" 00043 00044 struct bNodeTree; 00045 struct bNode; 00046 struct bNodeStack; 00047 00048 /* Node execution data */ 00049 typedef struct bNodeExec { 00050 struct bNode *node; /* backpointer to node */ 00051 void *data; /* custom data storage */ 00052 } bNodeExec; 00053 00054 /* Execution Data for each instance of node tree execution */ 00055 typedef struct bNodeTreeExec { 00056 struct bNodeTree *nodetree; /* backpointer to node tree */ 00057 00058 int totnodes; /* total node count */ 00059 struct bNodeExec *nodeexec; /* per-node execution data */ 00060 00061 int stacksize; 00062 struct bNodeStack *stack; /* socket data stack */ 00063 /* only used by material and texture trees to keep one stack for each thread */ 00064 ListBase *threadstack; /* one instance of the stack for each thread */ 00065 } bNodeTreeExec; 00066 00067 /* stores one stack copy for each thread (material and texture trees) */ 00068 typedef struct bNodeThreadStack { 00069 struct bNodeThreadStack *next, *prev; 00070 struct bNodeStack *stack; 00071 int used; 00072 } bNodeThreadStack; 00073 00074 struct bNodeStack *node_get_socket_stack(struct bNodeStack *stack, struct bNodeSocket *sock); 00075 void node_get_stack(struct bNode *node, struct bNodeStack *stack, struct bNodeStack **in, struct bNodeStack **out); 00076 void node_init_input_index(struct bNodeSocket *sock, int *index); 00077 void node_init_output_index(struct bNodeSocket *sock, int *index); 00078 00079 struct bNodeTreeExec *ntree_exec_begin(struct bNodeTree *ntree); 00080 void ntree_exec_end(struct bNodeTreeExec *exec); 00081 00082 void ntreeExecNodes(struct bNodeTreeExec *exec, void *callerdata, int thread); 00083 00084 struct bNodeThreadStack *ntreeGetThreadStack(struct bNodeTreeExec *exec, int thread); 00085 void ntreeReleaseThreadStack(struct bNodeThreadStack *nts); 00086 void ntreeExecThreadNodes(struct bNodeTreeExec *exec, struct bNodeThreadStack *nts, void *callerdata, int thread); 00087 00088 #endif