Sergey Sharybin
956c539e59
Delay depsgraph visibility update tagging until it is known that graph relations are up to date, and until it is known that the graph is actually needed to be evaluated. Differential Revision: https://developer.blender.org/D11660
123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
/*
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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) 2020 Blender Foundation.
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* All rights reserved.
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*/
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#include "pipeline.h"
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#include "PIL_time.h"
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#include "BKE_global.h"
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#include "DNA_scene_types.h"
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#include "deg_builder_cycle.h"
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#include "deg_builder_nodes.h"
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#include "deg_builder_relations.h"
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#include "deg_builder_transitive.h"
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namespace blender::deg {
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AbstractBuilderPipeline::AbstractBuilderPipeline(::Depsgraph *graph)
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: deg_graph_(reinterpret_cast<Depsgraph *>(graph)),
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bmain_(deg_graph_->bmain),
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scene_(deg_graph_->scene),
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view_layer_(deg_graph_->view_layer)
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{
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}
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void AbstractBuilderPipeline::build()
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{
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double start_time = 0.0;
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if (G.debug & (G_DEBUG_DEPSGRAPH_BUILD | G_DEBUG_DEPSGRAPH_TIME)) {
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start_time = PIL_check_seconds_timer();
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}
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build_step_sanity_check();
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build_step_nodes();
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build_step_relations();
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build_step_finalize();
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if (G.debug & (G_DEBUG_DEPSGRAPH_BUILD | G_DEBUG_DEPSGRAPH_TIME)) {
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printf("Depsgraph built in %f seconds.\n", PIL_check_seconds_timer() - start_time);
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}
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}
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void AbstractBuilderPipeline::build_step_sanity_check()
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{
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BLI_assert(BLI_findindex(&scene_->view_layers, view_layer_) != -1);
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BLI_assert(deg_graph_->scene == scene_);
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BLI_assert(deg_graph_->view_layer == view_layer_);
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}
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void AbstractBuilderPipeline::build_step_nodes()
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{
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/* Generate all the nodes in the graph first */
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unique_ptr<DepsgraphNodeBuilder> node_builder = construct_node_builder();
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node_builder->begin_build();
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build_nodes(*node_builder);
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node_builder->end_build();
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}
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void AbstractBuilderPipeline::build_step_relations()
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{
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/* Hook up relationships between operations - to determine evaluation order. */
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unique_ptr<DepsgraphRelationBuilder> relation_builder = construct_relation_builder();
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relation_builder->begin_build();
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build_relations(*relation_builder);
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relation_builder->build_copy_on_write_relations();
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relation_builder->build_driver_relations();
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}
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void AbstractBuilderPipeline::build_step_finalize()
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{
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/* Detect and solve cycles. */
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deg_graph_detect_cycles(deg_graph_);
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/* Simplify the graph by removing redundant relations (to optimize
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* traversal later). */
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/* TODO: it would be useful to have an option to disable this in cases where
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* it is causing trouble. */
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if (G.debug_value == 799) {
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deg_graph_transitive_reduction(deg_graph_);
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}
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/* Store pointers to commonly used evaluated datablocks. */
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deg_graph_->scene_cow = (Scene *)deg_graph_->get_cow_id(°_graph_->scene->id);
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/* Flush visibility layer and re-schedule nodes for update. */
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deg_graph_build_finalize(bmain_, deg_graph_);
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DEG_graph_tag_on_visible_update(reinterpret_cast<::Depsgraph *>(deg_graph_), false);
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#if 0
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if (!DEG_debug_consistency_check(deg_graph_)) {
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printf("Consistency validation failed, ABORTING!\n");
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abort();
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}
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#endif
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/* Relations are up to date. */
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deg_graph_->need_update = false;
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}
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unique_ptr<DepsgraphNodeBuilder> AbstractBuilderPipeline::construct_node_builder()
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{
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return std::make_unique<DepsgraphNodeBuilder>(bmain_, deg_graph_, &builder_cache_);
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}
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unique_ptr<DepsgraphRelationBuilder> AbstractBuilderPipeline::construct_relation_builder()
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{
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return std::make_unique<DepsgraphRelationBuilder>(bmain_, deg_graph_, &builder_cache_);
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}
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} // namespace blender::deg
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