95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/* SPDX-FileCopyrightText: 2013 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 depsgraph
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*
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* Evaluation engine entry-points for Depsgraph Engine.
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*/
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#include "MEM_guardedalloc.h"
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#include "BLI_listbase.h"
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#include "BLI_utildefines.h"
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#include "BKE_scene.hh"
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#include "DNA_object_types.h"
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#include "DNA_scene_types.h"
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#include "DEG_depsgraph.hh"
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#include "DEG_depsgraph_query.hh"
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#include "DEG_depsgraph_writeback_sync.hh"
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#include "intern/eval/deg_eval.h"
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#include "intern/eval/deg_eval_flush.h"
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#include "intern/node/deg_node.hh"
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#include "intern/node/deg_node_operation.hh"
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#include "intern/node/deg_node_time.hh"
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#include "intern/depsgraph.hh"
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#include "intern/depsgraph_tag.hh"
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namespace deg = blender::deg;
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static void deg_flush_updates_and_refresh(deg::Depsgraph *deg_graph,
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const DepsgraphEvaluateSyncWriteback sync_writeback)
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{
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/* Update the time on the cow scene. */
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if (deg_graph->scene_cow) {
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BKE_scene_frame_set(deg_graph->scene_cow, deg_graph->frame);
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}
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deg::graph_tag_ids_for_visible_update(deg_graph);
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deg::deg_graph_flush_updates(deg_graph);
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deg::deg_evaluate_on_refresh(deg_graph);
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if (sync_writeback == DEG_EVALUATE_SYNC_WRITEBACK_YES) {
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if (deg_graph->is_active) {
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for (std::function<void()> &fn : deg_graph->sync_writeback_callbacks) {
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fn();
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}
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}
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}
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deg_graph->sync_writeback_callbacks.clear();
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}
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void DEG_evaluate_on_refresh(Depsgraph *graph, const DepsgraphEvaluateSyncWriteback sync_writeback)
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{
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deg::Depsgraph *deg_graph = reinterpret_cast<deg::Depsgraph *>(graph);
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const Scene *scene = DEG_get_input_scene(graph);
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const float frame = BKE_scene_frame_get(scene);
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const float ctime = BKE_scene_ctime_get(scene);
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if (deg_graph->frame != frame || ctime != deg_graph->ctime) {
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deg_graph->tag_time_source();
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deg_graph->frame = frame;
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deg_graph->ctime = ctime;
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}
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else if (scene->id.recalc & ID_RECALC_FRAME_CHANGE) {
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/* Comparing depsgraph & scene frame fails in the case of undo,
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* since the undo state is stored before updates from the frame change have been applied.
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* In this case reading back the undo state will behave as if no updates on frame change
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* is needed as the #Depsgraph.ctime & frame will match the values in the input scene.
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* Use #ID_RECALC_FRAME_CHANGE to detect that recalculation is necessary. see: #66913. */
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deg_graph->tag_time_source();
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}
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deg_flush_updates_and_refresh(deg_graph, sync_writeback);
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}
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void DEG_evaluate_on_framechange(Depsgraph *graph,
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float frame,
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const DepsgraphEvaluateSyncWriteback sync_writeback)
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{
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deg::Depsgraph *deg_graph = reinterpret_cast<deg::Depsgraph *>(graph);
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const Scene *scene = DEG_get_input_scene(graph);
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deg_graph->tag_time_source();
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deg_graph->frame = frame;
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deg_graph->ctime = BKE_scene_frame_to_ctime(scene, frame);
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deg_flush_updates_and_refresh(deg_graph, sync_writeback);
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}
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