Sergey Sharybin
673fabbb64
It was possible to have issues in cases when several child dependencies goes to IDs with different layers. In this case order of flushing was not really well defined, which could lead to cases when indirect dependency via invisible object wouldn't work. Need some sort of barrier to prevent scheduling of parent nodes for until all children are done, but that's becoming quite nasty thing to implement. Added a temp field to component for now. maybe it's not so crazy actually and we might use it for evaluation as well, so we wouldn't flush updates to components which does not affect visible stuff.
130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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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) 2016 Blender Foundation.
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* All rights reserved.
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*
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* Original Author: Sergey Sharybin
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* Contributor(s): None Yet
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/depsgraph/intern/build/deg_builder.cc
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* \ingroup depsgraph
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*/
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#include "intern/builder/deg_builder.h"
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// TODO(sergey): Use own wrapper over STD.
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#include <stack>
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#include "DNA_anim_types.h"
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#include "BLI_utildefines.h"
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#include "BLI_ghash.h"
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#include "intern/depsgraph.h"
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#include "intern/depsgraph_types.h"
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#include "intern/nodes/deg_node.h"
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#include "intern/nodes/deg_node_component.h"
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#include "intern/nodes/deg_node_operation.h"
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#include "util/deg_util_foreach.h"
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namespace DEG {
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string deg_fcurve_id_name(const FCurve *fcu)
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{
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char index_buf[32];
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// TODO(sergey): Use int-to-string utility or so.
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BLI_snprintf(index_buf, sizeof(index_buf), "[%d]", fcu->array_index);
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return string(fcu->rna_path) + index_buf;
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}
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void deg_graph_build_finalize(Depsgraph *graph)
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{
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std::stack<OperationDepsNode *> stack;
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foreach (OperationDepsNode *node, graph->operations) {
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IDDepsNode *id_node = node->owner->owner;
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node->done = 0;
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node->num_links_pending = 0;
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foreach (DepsRelation *rel, node->outlinks) {
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if ((rel->from->type == DEPSNODE_TYPE_OPERATION) &&
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(rel->flag & DEPSREL_FLAG_CYCLIC) == 0)
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{
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++node->num_links_pending;
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}
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}
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if (node->num_links_pending == 0) {
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stack.push(node);
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node->done = 1;
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}
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node->owner->layers = id_node->layers;
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id_node->id->tag |= LIB_TAG_DOIT;
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}
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while (!stack.empty()) {
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OperationDepsNode *node = stack.top();
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stack.pop();
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/* Flush layers to parents. */
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foreach (DepsRelation *rel, node->inlinks) {
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if (rel->from->type == DEPSNODE_TYPE_OPERATION) {
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OperationDepsNode *from = (OperationDepsNode *)rel->from;
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from->owner->layers |= node->owner->layers;
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}
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}
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/* Schedule parent nodes. */
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foreach (DepsRelation *rel, node->inlinks) {
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if (rel->from->type == DEPSNODE_TYPE_OPERATION) {
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OperationDepsNode *from = (OperationDepsNode *)rel->from;
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if ((rel->flag & DEPSREL_FLAG_CYCLIC) == 0) {
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BLI_assert(from->num_links_pending > 0);
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--from->num_links_pending;
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}
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if (from->num_links_pending == 0 && from->done == 0) {
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stack.push(from);
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from->done = 1;
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}
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}
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}
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}
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/* Re-tag IDs for update if it was tagged before the relations update tag. */
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GHASH_FOREACH_BEGIN(IDDepsNode *, id_node, graph->id_hash)
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{
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GHASH_FOREACH_BEGIN(ComponentDepsNode *, comp, id_node->components)
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{
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id_node->layers |= comp->layers;
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}
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GHASH_FOREACH_END();
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ID *id = id_node->id;
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if (id->tag & LIB_TAG_ID_RECALC_ALL &&
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id->tag & LIB_TAG_DOIT)
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{
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id_node->tag_update(graph);
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id->tag &= ~LIB_TAG_DOIT;
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}
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id_node->finalize_build();
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}
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GHASH_FOREACH_END();
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}
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} // namespace DEG
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