59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/* SPDX-FileCopyrightText: 2007 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup nodes
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*/
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#pragma once
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#include "DNA_listBase.h"
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#include "BKE_node.hh"
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#include "node_util.hh"
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struct bNode;
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struct bNodeStack;
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struct bNodeTree;
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/* Node execution data */
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struct bNodeExec {
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/** Back-pointer to node. */
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bNode *node;
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bNodeExecData data;
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/** Free function, stored in exec itself to avoid dangling node pointer access. */
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blender::bke::NodeFreeExecFunction free_exec_fn;
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};
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/* Execution Data for each instance of node tree execution */
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struct bNodeTreeExec {
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bNodeTree *nodetree; /* Back-pointer to node tree. */
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int totnodes; /* total node count */
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bNodeExec *nodeexec; /* per-node execution data */
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int stacksize;
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bNodeStack *stack; /* socket data stack */
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/* only used by material and texture trees to keep one stack for each thread */
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ListBase *threadstack; /* one instance of the stack for each thread */
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};
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/* stores one stack copy for each thread (material and texture trees) */
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struct bNodeThreadStack {
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bNodeThreadStack *next, *prev;
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bNodeStack *stack;
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bool used;
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};
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/** For a given socket, find the actual stack entry. */
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bNodeStack *node_get_socket_stack(bNodeStack *stack, bNodeSocket *sock);
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void node_get_stack(bNode *node, bNodeStack *stack, bNodeStack **in, bNodeStack **out);
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bNodeTreeExec *ntree_exec_begin(bNodeExecContext *context,
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bNodeTree *ntree,
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bNodeInstanceKey parent_key);
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void ntree_exec_end(bNodeTreeExec *exec);
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