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|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2013 Blender Foundation.
* All rights reserved.
*
* Original Author: Joshua Leung
* Contributor(s): None Yet
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/depsgraph/intern/depsgraph_tag.cc
* \ingroup depsgraph
*
* Core routines for how the Depsgraph works.
*/
#include <stdio.h>
#include <cstring> /* required for memset */
#include <queue>
#include "BLI_utildefines.h"
#include "BLI_listbase.h"
#include "BLI_math_bits.h"
#include "BLI_task.h"
extern "C" {
#include "DNA_anim_types.h"
#include "DNA_curve_types.h"
#include "DNA_key_types.h"
#include "DNA_lattice_types.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_particle_types.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "BKE_animsys.h"
#include "BKE_idcode.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_node.h"
#include "BKE_scene.h"
#include "BKE_workspace.h"
#define new new_
#include "BKE_screen.h"
#undef new
} /* extern "C" */
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
#include "intern/builder/deg_builder.h"
#include "intern/eval/deg_eval_flush.h"
#include "intern/nodes/deg_node.h"
#include "intern/nodes/deg_node_component.h"
#include "intern/nodes/deg_node_id.h"
#include "intern/nodes/deg_node_operation.h"
#include "intern/depsgraph_intern.h"
#include "util/deg_util_foreach.h"
/* *********************** */
/* Update Tagging/Flushing */
namespace DEG {
namespace {
void deg_graph_id_tag_update(Main *bmain, Depsgraph *graph, ID *id, int flag);
void depsgraph_geometry_tag_to_component(const ID *id,
eDepsNode_Type *component_type)
{
const ID_Type id_type = GS(id->name);
switch (id_type) {
case ID_OB:
{
const Object *object = (Object *)id;
switch (object->type) {
case OB_MESH:
case OB_CURVE:
case OB_SURF:
case OB_FONT:
case OB_LATTICE:
case OB_MBALL:
case OB_GPENCIL:
*component_type = DEG_NODE_TYPE_GEOMETRY;
break;
case OB_ARMATURE:
*component_type = DEG_NODE_TYPE_EVAL_POSE;
break;
/* TODO(sergey): More cases here? */
}
break;
}
case ID_ME:
*component_type = DEG_NODE_TYPE_GEOMETRY;
break;
case ID_PA: /* Particles */
return;
case ID_LP:
*component_type = DEG_NODE_TYPE_PARAMETERS;
break;
case ID_GD:
*component_type = DEG_NODE_TYPE_GEOMETRY;
break;
case ID_PAL: /* Palettes */
*component_type = DEG_NODE_TYPE_PARAMETERS;
break;
default:
break;
}
}
void depsgraph_select_tag_to_component_opcode(
const ID *id,
eDepsNode_Type *component_type,
eDepsOperation_Code *operation_code)
{
const ID_Type id_type = GS(id->name);
if (id_type == ID_SCE) {
/* We need to flush base flags to all objects in a scene since we
* don't know which ones changed. However, we don't want to update
* the whole scene, so pick up some operation which will do as less
* as possible.
*
* TODO(sergey): We can introduce explicit exit operation which
* does nothing and which is only used to cascade flush down the
* road.
*/
*component_type = DEG_NODE_TYPE_LAYER_COLLECTIONS;
*operation_code = DEG_OPCODE_VIEW_LAYER_EVAL;
}
else if (id_type == ID_OB) {
*component_type = DEG_NODE_TYPE_OBJECT_FROM_LAYER;
*operation_code = DEG_OPCODE_OBJECT_BASE_FLAGS;
}
else if (id_type == ID_MC) {
*component_type = DEG_NODE_TYPE_BATCH_CACHE;
*operation_code = DEG_OPCODE_MOVIECLIP_SELECT_UPDATE;
}
else {
*component_type = DEG_NODE_TYPE_BATCH_CACHE;
*operation_code = DEG_OPCODE_GEOMETRY_SELECT_UPDATE;
}
}
void depsgraph_base_flags_tag_to_component_opcode(
const ID *id,
eDepsNode_Type *component_type,
eDepsOperation_Code *operation_code)
{
const ID_Type id_type = GS(id->name);
if (id_type == ID_SCE) {
*component_type = DEG_NODE_TYPE_LAYER_COLLECTIONS;
*operation_code = DEG_OPCODE_VIEW_LAYER_EVAL;
}
else if (id_type == ID_OB) {
*component_type = DEG_NODE_TYPE_OBJECT_FROM_LAYER;
*operation_code = DEG_OPCODE_OBJECT_BASE_FLAGS;
}
}
void depsgraph_tag_to_component_opcode(const ID *id,
eDepsgraph_Tag tag,
eDepsNode_Type *component_type,
eDepsOperation_Code *operation_code)
{
const ID_Type id_type = GS(id->name);
*component_type = DEG_NODE_TYPE_UNDEFINED;
*operation_code = DEG_OPCODE_OPERATION;
/* Special case for now, in the future we should get rid of this. */
if (tag == 0) {
*component_type = DEG_NODE_TYPE_ID_REF;
*operation_code = DEG_OPCODE_OPERATION;
return;
}
switch (tag) {
case DEG_TAG_TRANSFORM:
*component_type = DEG_NODE_TYPE_TRANSFORM;
break;
case DEG_TAG_GEOMETRY:
depsgraph_geometry_tag_to_component(id, component_type);
break;
case DEG_TAG_TIME:
*component_type = DEG_NODE_TYPE_ANIMATION;
break;
case DEG_TAG_PSYS_REDO:
case DEG_TAG_PSYS_RESET:
case DEG_TAG_PSYS_TYPE:
case DEG_TAG_PSYS_CHILD:
case DEG_TAG_PSYS_PHYS:
if (id_type == ID_PA) {
/* NOTES:
* - For particle settings node we need to use different
* component. Will be nice to get this unified with object,
* but we can survive for now with single exception here.
* Particles needs reconsideration anyway,
*/
*component_type = DEG_NODE_TYPE_PARAMETERS;
}
else {
*component_type = DEG_NODE_TYPE_EVAL_PARTICLES;
}
break;
case DEG_TAG_COPY_ON_WRITE:
*component_type = DEG_NODE_TYPE_COPY_ON_WRITE;
break;
case DEG_TAG_SHADING_UPDATE:
if (id_type == ID_NT) {
*component_type = DEG_NODE_TYPE_SHADING_PARAMETERS;
}
else {
*component_type = DEG_NODE_TYPE_SHADING;
}
break;
case DEG_TAG_SELECT_UPDATE:
depsgraph_select_tag_to_component_opcode(id,
component_type,
operation_code);
break;
case DEG_TAG_BASE_FLAGS_UPDATE:
depsgraph_base_flags_tag_to_component_opcode(id,
component_type,
operation_code);
case DEG_TAG_EDITORS_UPDATE:
/* There is no such node in depsgraph, this tag is to be handled
* separately.
*/
break;
case DEG_TAG_PSYS_ALL:
BLI_assert(!"Should not happen");
break;
}
}
void id_tag_update_ntree_special(Main *bmain, Depsgraph *graph, ID *id, int flag)
{
bNodeTree *ntree = ntreeFromID(id);
if (ntree == NULL) {
return;
}
deg_graph_id_tag_update(bmain, graph, &ntree->id, flag);
}
void depsgraph_update_editors_tag(Main *bmain, Depsgraph *graph, ID *id)
{
/* NOTE: We handle this immediately, without delaying anything, to be
* sure we don't cause threading issues with OpenGL.
*/
/* TODO(sergey): Make sure this works for CoW-ed datablocks as well. */
DEGEditorUpdateContext update_ctx = {NULL};
update_ctx.bmain = bmain;
update_ctx.depsgraph = (::Depsgraph *)graph;
update_ctx.scene = graph->scene;
update_ctx.view_layer = graph->view_layer;
deg_editors_id_update(&update_ctx, id);
}
void depsgraph_tag_component(Depsgraph *graph,
IDDepsNode *id_node,
eDepsNode_Type component_type,
eDepsOperation_Code operation_code)
{
ComponentDepsNode *component_node =
id_node->find_component(component_type);
if (component_node == NULL) {
return;
}
if (operation_code == DEG_OPCODE_OPERATION) {
component_node->tag_update(graph);
}
else {
OperationDepsNode *operation_node =
component_node->find_operation(operation_code);
if (operation_node != NULL) {
operation_node->tag_update(graph);
}
}
/* If component depends on copy-on-write, tag it as well. */
if (component_node->need_tag_cow_before_update()) {
ComponentDepsNode *cow_comp =
id_node->find_component(DEG_NODE_TYPE_COPY_ON_WRITE);
cow_comp->tag_update(graph);
id_node->id_orig->recalc |= ID_RECALC_COPY_ON_WRITE;
}
}
/* This is a tag compatibility with legacy code.
*
* Mainly, old code was tagging object with OB_RECALC_DATA tag to inform
* that object's data datablock changed. Now API expects that ID is given
* explicitly, but not all areas are aware of this yet.
*/
void deg_graph_id_tag_legacy_compat(Main *bmain,
Depsgraph *depsgraph,
ID *id,
eDepsgraph_Tag tag)
{
if (tag == DEG_TAG_GEOMETRY || tag == 0) {
switch (GS(id->name)) {
case ID_OB:
{
Object *object = (Object *)id;
ID *data_id = (ID *)object->data;
if (data_id != NULL) {
deg_graph_id_tag_update(bmain, depsgraph, data_id, 0);
}
break;
}
/* TODO(sergey): Shape keys are annoying, maybe we should find a
* way to chain geometry evaluation to them, so we don't need extra
* tagging here.
*/
case ID_ME:
{
Mesh *mesh = (Mesh *)id;
ID *key_id = &mesh->key->id;
if (key_id != NULL) {
deg_graph_id_tag_update(bmain, depsgraph, key_id, 0);
}
break;
}
case ID_LT:
{
Lattice *lattice = (Lattice *)id;
ID *key_id = &lattice->key->id;
if (key_id != NULL) {
deg_graph_id_tag_update(bmain, depsgraph, key_id, 0);
}
break;
}
case ID_CU:
{
Curve *curve = (Curve *)id;
ID *key_id = &curve->key->id;
if (key_id != NULL) {
deg_graph_id_tag_update(bmain, depsgraph, key_id, 0);
}
break;
}
default:
break;
}
}
}
static void deg_graph_id_tag_update_single_flag(Main *bmain,
Depsgraph *graph,
ID *id,
IDDepsNode *id_node,
eDepsgraph_Tag tag)
{
if (tag == DEG_TAG_EDITORS_UPDATE) {
if (graph != NULL) {
depsgraph_update_editors_tag(bmain, graph, id);
}
return;
}
/* Get description of what is to be tagged. */
eDepsNode_Type component_type;
eDepsOperation_Code operation_code;
depsgraph_tag_to_component_opcode(id,
tag,
&component_type,
&operation_code);
/* Check whether we've got something to tag. */
if (component_type == DEG_NODE_TYPE_UNDEFINED) {
/* Given ID does not support tag. */
/* TODO(sergey): Shall we raise some panic here? */
return;
}
/* Tag ID recalc flag. */
DepsNodeFactory *factory = deg_type_get_factory(component_type);
BLI_assert(factory != NULL);
id->recalc |= factory->id_recalc_tag();
/* Some sanity checks before moving forward. */
if (id_node == NULL) {
/* Happens when object is tagged for update and not yet in the
* dependency graph (but will be after relations update).
*/
return;
}
/* Tag corresponding dependency graph operation for update. */
if (component_type == DEG_NODE_TYPE_ID_REF) {
id_node->tag_update(graph);
}
else {
depsgraph_tag_component(graph, id_node, component_type, operation_code);
}
/* TODO(sergey): Get rid of this once all areas are using proper data ID
* for tagging.
*/
deg_graph_id_tag_legacy_compat(bmain, graph, id, tag);
}
string stringify_append_bit(const string& str, eDepsgraph_Tag tag)
{
string result = str;
if (!result.empty()) {
result += ", ";
}
result += DEG_update_tag_as_string(tag);
return result;
}
string stringify_update_bitfield(int flag)
{
if (flag == 0) {
return "LEGACY_0";
}
string result = "";
int current_flag = flag;
/* Special cases to avoid ALL flags form being split into
* individual bits.
*/
if ((current_flag & DEG_TAG_PSYS_ALL) == DEG_TAG_PSYS_ALL) {
result = stringify_append_bit(result, DEG_TAG_PSYS_ALL);
}
/* Handle all the rest of the flags. */
while (current_flag != 0) {
eDepsgraph_Tag tag =
(eDepsgraph_Tag)(1 << bitscan_forward_clear_i(¤t_flag));
result = stringify_append_bit(result, tag);
}
return result;
}
/* Special tag function which tags all components which needs to be tagged
* for update flag=0.
*
* TODO(sergey): This is something to be avoid in the future, make it more
* explicit and granular for users to tag what they really need.
*/
void deg_graph_node_tag_zero(Main *bmain, Depsgraph *graph, IDDepsNode *id_node)
{
if (id_node == NULL) {
return;
}
ID *id = id_node->id_orig;
/* TODO(sergey): Which recalc flags to set here? */
id->recalc |= ID_RECALC_ALL & ~(DEG_TAG_PSYS_ALL | ID_RECALC_ANIMATION);
GHASH_FOREACH_BEGIN(ComponentDepsNode *, comp_node, id_node->components)
{
if (comp_node->type == DEG_NODE_TYPE_ANIMATION) {
continue;
}
comp_node->tag_update(graph);
}
GHASH_FOREACH_END();
deg_graph_id_tag_legacy_compat(bmain, graph, id, (eDepsgraph_Tag)0);
}
void deg_graph_id_tag_update(Main *bmain, Depsgraph *graph, ID *id, int flag)
{
const int debug_flags = (graph != NULL)
? DEG_debug_flags_get((::Depsgraph *)graph)
: G.debug;
if (debug_flags & G_DEBUG_DEPSGRAPH_TAG) {
printf("%s: id=%s flags=%s\n",
__func__,
id->name,
stringify_update_bitfield(flag).c_str());
}
IDDepsNode *id_node = (graph != NULL) ? graph->find_id_node(id)
: NULL;
DEG_id_type_tag(bmain, GS(id->name));
if (flag == 0) {
deg_graph_node_tag_zero(bmain, graph, id_node);
}
id->recalc |= (flag & PSYS_RECALC);
int current_flag = flag;
while (current_flag != 0) {
eDepsgraph_Tag tag =
(eDepsgraph_Tag)(1 << bitscan_forward_clear_i(¤t_flag));
deg_graph_id_tag_update_single_flag(bmain,
graph,
id,
id_node,
tag);
}
/* Special case for nested node tree datablocks. */
id_tag_update_ntree_special(bmain, graph, id, flag);
}
void deg_id_tag_update(Main *bmain, ID *id, int flag)
{
deg_graph_id_tag_update(bmain, NULL, id, flag);
LISTBASE_FOREACH (Scene *, scene, &bmain->scene) {
LISTBASE_FOREACH (ViewLayer *, view_layer, &scene->view_layers) {
Depsgraph *depsgraph =
(Depsgraph *)BKE_scene_get_depsgraph(scene,
view_layer,
false);
if (depsgraph != NULL) {
deg_graph_id_tag_update(bmain, depsgraph, id, flag);
}
}
}
}
void deg_graph_on_visible_update(Main *bmain, Depsgraph *graph)
{
/* Make sure objects are up to date. */
foreach (DEG::IDDepsNode *id_node, graph->id_nodes) {
const ID_Type id_type = GS(id_node->id_orig->name);
int flag = DEG_TAG_COPY_ON_WRITE;
/* We only tag components which needs an update. Tagging everything is
* not a good idea because that might reset particles cache (or any
* other type of cache).
*
* TODO(sergey): Need to generalize this somehow.
*/
if (id_type == ID_OB) {
flag |= OB_RECALC_OB | OB_RECALC_DATA;
}
deg_graph_id_tag_update(bmain, graph, id_node->id_orig, flag);
}
/* Make sure collection properties are up to date. */
for (Scene *scene_iter = graph->scene;
scene_iter != NULL;
scene_iter = scene_iter->set)
{
IDDepsNode *scene_id_node = graph->find_id_node(&scene_iter->id);
if (scene_id_node != NULL) {
scene_id_node->tag_update(graph);
}
else {
BLI_assert(graph->need_update);
}
}
}
} /* namespace */
} // namespace DEG
const char *DEG_update_tag_as_string(eDepsgraph_Tag flag)
{
switch (flag) {
case DEG_TAG_TRANSFORM: return "TRANSFORM";
case DEG_TAG_GEOMETRY: return "GEOMETRY";
case DEG_TAG_TIME: return "TIME";
case DEG_TAG_PSYS_REDO: return "PSYS_REDO";
case DEG_TAG_PSYS_RESET: return "PSYS_RESET";
case DEG_TAG_PSYS_TYPE: return "PSYS_TYPE";
case DEG_TAG_PSYS_CHILD: return "PSYS_CHILD";
case DEG_TAG_PSYS_PHYS: return "PSYS_PHYS";
case DEG_TAG_PSYS_ALL: return "PSYS_ALL";
case DEG_TAG_COPY_ON_WRITE: return "COPY_ON_WRITE";
case DEG_TAG_SHADING_UPDATE: return "SHADING_UPDATE";
case DEG_TAG_SELECT_UPDATE: return "SELECT_UPDATE";
case DEG_TAG_BASE_FLAGS_UPDATE: return "BASE_FLAGS_UPDATE";
case DEG_TAG_EDITORS_UPDATE: return "EDITORS_UPDATE";
}
BLI_assert(!"Unhandled update flag, should never happen!");
return "UNKNOWN";
}
/* Data-Based Tagging */
/* Tag given ID for an update in all the dependency graphs. */
void DEG_id_tag_update(ID *id, int flag)
{
DEG_id_tag_update_ex(G.main, id, flag);
}
void DEG_id_tag_update_ex(Main *bmain, ID *id, int flag)
{
if (id == NULL) {
/* Ideally should not happen, but old depsgraph allowed this. */
return;
}
DEG::deg_id_tag_update(bmain, id, flag);
}
void DEG_graph_id_tag_update(struct Main *bmain,
struct Depsgraph *depsgraph,
struct ID *id,
int flag)
{
DEG::Depsgraph *graph = (DEG::Depsgraph *)depsgraph;
DEG::deg_graph_id_tag_update(bmain, graph, id, flag);
}
/* Mark a particular datablock type as having changing. */
void DEG_id_type_tag(Main *bmain, short id_type)
{
if (id_type == ID_NT) {
/* Stupid workaround so parent datablocks of nested nodetree get looped
* over when we loop over tagged datablock types.
*/
DEG_id_type_tag(bmain, ID_MA);
DEG_id_type_tag(bmain, ID_TE);
DEG_id_type_tag(bmain, ID_LA);
DEG_id_type_tag(bmain, ID_WO);
DEG_id_type_tag(bmain, ID_SCE);
}
int id_type_index = BKE_idcode_to_index(id_type);
LISTBASE_FOREACH (Scene *, scene, &bmain->scene) {
LISTBASE_FOREACH (ViewLayer *, view_layer, &scene->view_layers) {
Depsgraph *depsgraph =
(Depsgraph *)BKE_scene_get_depsgraph(scene,
view_layer,
false);
if (depsgraph != NULL) {
DEG::Depsgraph *deg_graph = reinterpret_cast<DEG::Depsgraph *>(depsgraph);
deg_graph->id_type_updated[id_type_index] = 1;
}
}
}
}
void DEG_graph_flush_update(Main *bmain, Depsgraph *depsgraph)
{
if (depsgraph == NULL) {
return;
}
DEG::deg_graph_flush_updates(bmain, (DEG::Depsgraph *)depsgraph);
}
/* Update dependency graph when visible scenes/layers changes. */
void DEG_graph_on_visible_update(Main *bmain, Depsgraph *depsgraph)
{
DEG::Depsgraph *graph = (DEG::Depsgraph *)depsgraph;
DEG::deg_graph_on_visible_update(bmain, graph);
}
void DEG_on_visible_update(Main *bmain, const bool UNUSED(do_time))
{
LISTBASE_FOREACH (Scene *, scene, &bmain->scene) {
LISTBASE_FOREACH (ViewLayer *, view_layer, &scene->view_layers) {
Depsgraph *depsgraph =
(Depsgraph *)BKE_scene_get_depsgraph(scene,
view_layer,
false);
if (depsgraph != NULL) {
DEG_graph_on_visible_update(bmain, depsgraph);
}
}
}
}
/* Check if something was changed in the database and inform
* editors about this.
*/
void DEG_ids_check_recalc(Main *bmain,
Depsgraph *depsgraph,
Scene *scene,
ViewLayer *view_layer,
bool time)
{
bool updated = time || DEG_id_type_any_updated(depsgraph);
DEGEditorUpdateContext update_ctx = {NULL};
update_ctx.bmain = bmain;
update_ctx.depsgraph = depsgraph;
update_ctx.scene = scene;
update_ctx.view_layer = view_layer;
DEG::deg_editors_scene_update(&update_ctx, updated);
}
static void deg_graph_clear_id_node_func(
void *__restrict data_v,
const int i,
const ParallelRangeTLS *__restrict /*tls*/)
{
/* TODO: we clear original ID recalc flags here, but this may not work
* correctly when there are multiple depsgraph with others still using
* the recalc flag. */
DEG::Depsgraph *deg_graph = reinterpret_cast<DEG::Depsgraph *>(data_v);
DEG::IDDepsNode *id_node = deg_graph->id_nodes[i];
id_node->id_cow->recalc &= ~ID_RECALC_ALL;
id_node->id_orig->recalc &= ~ID_RECALC_ALL;
/* Clear embedded node trees too. */
bNodeTree *ntree_cow = ntreeFromID(id_node->id_cow);
if (ntree_cow) {
ntree_cow->id.recalc &= ~ID_RECALC_ALL;
}
bNodeTree *ntree_orig = ntreeFromID(id_node->id_orig);
if (ntree_orig) {
ntree_orig->id.recalc &= ~ID_RECALC_ALL;
}
}
void DEG_ids_clear_recalc(Main *UNUSED(bmain),
Depsgraph *depsgraph)
{
DEG::Depsgraph *deg_graph = reinterpret_cast<DEG::Depsgraph *>(depsgraph);
/* TODO(sergey): Re-implement POST_UPDATE_HANDLER_WORKAROUND using entry_tags
* and id_tags storage from the new dependency graph.
*/
if (!DEG_id_type_any_updated(depsgraph)) {
return;
}
/* Go over all ID nodes nodes, clearing tags. */
const int num_id_nodes = deg_graph->id_nodes.size();
ParallelRangeSettings settings;
BLI_parallel_range_settings_defaults(&settings);
settings.min_iter_per_thread = 1024;
BLI_task_parallel_range(0, num_id_nodes,
deg_graph,
deg_graph_clear_id_node_func,
&settings);
memset(deg_graph->id_type_updated, 0, sizeof(deg_graph->id_type_updated));
}
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