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workinf_Blender_Wasm/blender-5.2.0/source/blender/nodes/intern/dependencies.cc
2026-08-12 04:47:48 -04:00

325 lines
10 KiB
C++

/* SPDX-FileCopyrightText: 2024 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include "NOD_dependencies.hh"
#include "DNA_ID.h"
#include "DNA_node_types.h"
#include "DNA_object_types.h"
#include "BKE_image.hh"
#include "BKE_node_legacy_types.hh"
#include "BKE_node_runtime.hh"
#include "NOD_node_declaration.hh"
namespace blender::nodes {
void EvalDependencies::add_generic_id(ID *id)
{
if (!id) {
return;
}
this->ids.add(id->session_uid, id);
}
void EvalDependencies::add_generic_id_full(ID *id)
{
if (!id) {
return;
}
if (GS(id->name) == ID_OB) {
this->add_object(reinterpret_cast<Object *>(id));
}
else {
this->add_generic_id(id);
}
}
void EvalDependencies::add_object(Object *object, const ObjectDependencyInfo &object_deps)
{
if (!object) {
return;
}
this->add_generic_id(&object->id);
ObjectDependencyInfo &deps = this->objects_info.lookup_or_add(object->id.session_uid,
object_deps);
deps.geometry |= object_deps.geometry;
deps.transform |= object_deps.transform;
deps.camera_parameters |= object_deps.camera_parameters;
deps.pose |= object_deps.pose;
}
void EvalDependencies::merge(const EvalDependencies &other)
{
for (ID *id : other.ids.values()) {
this->add_generic_id(id);
}
for (const auto &&item : other.objects_info.items()) {
ID *id = other.ids.lookup(item.key);
BLI_assert(GS(id->name) == ID_OB);
this->add_object(reinterpret_cast<Object *>(id), item.value);
}
this->needs_own_transform |= other.needs_own_transform;
this->needs_active_camera |= other.needs_active_camera;
this->needs_scene_render_params |= other.needs_scene_render_params;
this->time_dependent |= other.time_dependent;
}
static bool is_used_default_input(const bNodeSocket &socket, const NodeDefaultInputType type)
{
if (!socket.is_input()) {
return false;
}
if (socket.is_logically_linked()) {
return false;
}
if (!socket.runtime->declaration) {
return false;
}
return socket.runtime->declaration->default_input_type == type;
}
static void add_eval_dependencies_from_socket(const bNodeSocket &socket, EvalDependencies &deps)
{
if (socket.is_input()) {
if (socket.is_logically_linked()) {
/* The input value is unused. */
return;
}
}
switch (socket.type) {
case SOCK_OBJECT: {
if (is_used_default_input(socket, NODE_DEFAULT_INPUT_SELF_OBJECT)) {
deps.needs_own_transform |= true;
}
else if (Object *object = static_cast<bNodeSocketValueObject *>(socket.default_value)->value)
{
deps.add_object(object);
}
break;
}
case SOCK_COLLECTION: {
if (Collection *collection =
static_cast<bNodeSocketValueCollection *>(socket.default_value)->value)
{
deps.add_generic_id(reinterpret_cast<ID *>(collection));
}
break;
}
case SOCK_MATERIAL: {
if (Material *material =
static_cast<bNodeSocketValueMaterial *>(socket.default_value)->value)
{
deps.add_generic_id(reinterpret_cast<ID *>(material));
}
break;
}
case SOCK_TEXTURE: {
if (Tex *texture = static_cast<bNodeSocketValueTexture *>(socket.default_value)->value) {
deps.add_generic_id(reinterpret_cast<ID *>(texture));
}
break;
}
case SOCK_IMAGE: {
if (Image *image = static_cast<bNodeSocketValueImage *>(socket.default_value)->value) {
deps.add_generic_id(reinterpret_cast<ID *>(image));
}
break;
}
case SOCK_FONT: {
if (VFont *font = static_cast<bNodeSocketValueFont *>(socket.default_value)->value) {
deps.add_generic_id(reinterpret_cast<ID *>(font));
}
break;
}
case SOCK_SCENE: {
if (Scene *scene = static_cast<bNodeSocketValueScene *>(socket.default_value)->value) {
deps.add_generic_id(reinterpret_cast<ID *>(scene));
}
break;
}
case SOCK_TEXT_ID: {
if (Text *text = static_cast<bNodeSocketValueText *>(socket.default_value)->value) {
deps.add_generic_id(reinterpret_cast<ID *>(text));
}
break;
}
case SOCK_MASK: {
if (Mask *mask = static_cast<bNodeSocketValueMask *>(socket.default_value)->value) {
deps.add_generic_id(reinterpret_cast<ID *>(mask));
}
break;
}
case SOCK_SOUND: {
if (bSound *sound = static_cast<bNodeSocketValueSound *>(socket.default_value)->value) {
deps.add_generic_id(reinterpret_cast<ID *>(sound));
}
break;
}
case SOCK_INT:
case SOCK_FLOAT: {
if (is_used_default_input(socket, NODE_DEFAULT_INPUT_SCENE_FRAME)) {
deps.time_dependent = true;
}
break;
}
default:
break;
}
}
static void add_eval_dependencies_from_node_data(const bNodeTree &tree, EvalDependencies &deps)
{
for (const bNode *node : tree.all_nodes()) {
if (node->is_muted()) {
continue;
}
/* Group nodes are handles separately. */
if (node->is_group()) {
continue;
}
if (node->id == nullptr) {
continue;
}
ID_Type id_type = GS(node->id->name);
if (id_type == ID_OB) {
deps.add_object(reinterpret_cast<Object *>(node->id));
}
else if (id_type == ID_IM) {
if (BKE_image_is_animated(reinterpret_cast<Image *>(node->id))) {
deps.time_dependent = true;
}
deps.add_generic_id(node->id);
}
else {
deps.add_generic_id(node->id);
}
}
}
static bool has_enabled_nodes_of_type(const bNodeTree &tree, const UString type_idname)
{
for (const bNode *node : tree.nodes_by_type(type_idname)) {
if (!node->is_muted()) {
return true;
}
}
return false;
}
static void add_own_transform_dependencies(const bNodeTree &tree, EvalDependencies &deps)
{
bool needs_own_transform = false;
needs_own_transform |= has_enabled_nodes_of_type(tree, "GeometryNodeSelfObject"_ustr);
needs_own_transform |= has_enabled_nodes_of_type(tree, "GeometryNodeDeformCurvesOnSurface"_ustr);
for (const bNode *node : tree.nodes_by_type("GeometryNodeCollectionInfo"_ustr)) {
if (node->is_muted()) {
continue;
}
const NodeGeometryCollectionInfo &storage = *static_cast<const NodeGeometryCollectionInfo *>(
node->storage);
needs_own_transform |= storage.transform_space == GEO_NODE_TRANSFORM_SPACE_RELATIVE;
}
for (const bNode *node : tree.nodes_by_type("GeometryNodeObjectInfo"_ustr)) {
if (node->is_muted()) {
continue;
}
const NodeGeometryObjectInfo &storage = *static_cast<const NodeGeometryObjectInfo *>(
node->storage);
needs_own_transform |= storage.transform_space == GEO_NODE_TRANSFORM_SPACE_RELATIVE;
}
deps.needs_own_transform |= needs_own_transform;
}
static bool needs_scene_render_params(const bNodeTree &ntree)
{
for (const bNode *node : ntree.nodes_by_type("GeometryNodeCameraInfo"_ustr)) {
if (node->is_muted()) {
continue;
}
const bNodeSocket &projection_matrix_socket = *node->output_by_identifier(
"Projection Matrix"_ustr);
if (projection_matrix_socket.is_logically_linked()) {
return true;
}
}
return false;
}
static void gather_geometry_nodes_eval_dependencies(
const bNodeTree &ntree,
EvalDependencies &deps,
FunctionRef<const EvalDependencies *(const bNodeTree &group)> get_group_deps)
{
ntree.ensure_topology_cache();
for (const bNodeSocket *socket : ntree.all_sockets()) {
add_eval_dependencies_from_socket(*socket, deps);
}
deps.needs_active_camera |= has_enabled_nodes_of_type(ntree,
"GeometryNodeInputActiveCamera"_ustr);
deps.needs_scene_render_params |= needs_scene_render_params(ntree);
deps.time_dependent |= has_enabled_nodes_of_type(ntree, "GeometryNodeSimulationInput"_ustr) ||
has_enabled_nodes_of_type(ntree, "GeometryNodeInputSceneTime"_ustr) ||
has_enabled_nodes_of_type(ntree, "CompositorNodeSceneTime"_ustr) ||
has_enabled_nodes_of_type(ntree, "CompositorNodeTime"_ustr) ||
has_enabled_nodes_of_type(ntree, "CompositorNodeTrackPos"_ustr) ||
has_enabled_nodes_of_type(ntree, "CompositorNodeStabilize"_ustr) ||
has_enabled_nodes_of_type(ntree, "CompositorNodePlaneTrackDeform"_ustr) ||
has_enabled_nodes_of_type(ntree, "CompositorNodeMovieDistortion"_ustr) ||
has_enabled_nodes_of_type(ntree, "CompositorNodeMovieClip"_ustr) ||
has_enabled_nodes_of_type(ntree, "CompositorNodeKeyingScreen"_ustr);
add_eval_dependencies_from_node_data(ntree, deps);
add_own_transform_dependencies(ntree, deps);
for (const bNode *node : ntree.group_nodes()) {
if (!node->id) {
continue;
}
const bNodeTree &group = *reinterpret_cast<const bNodeTree *>(node->id);
if (const EvalDependencies *group_deps = get_group_deps(group)) {
deps.merge(*group_deps);
}
}
}
EvalDependencies gather_eval_dependencies_with_cache(const bNodeTree &ntree)
{
EvalDependencies deps;
gather_geometry_nodes_eval_dependencies(
ntree, deps, [](const bNodeTree &group) { return group.runtime->eval_dependencies.get(); });
return deps;
}
static void gather_geometry_nodes_eval_dependencies_recursive_impl(
const bNodeTree &ntree, Map<const bNodeTree *, EvalDependencies> &deps_by_tree)
{
if (deps_by_tree.contains(&ntree)) {
return;
}
EvalDependencies new_deps;
gather_geometry_nodes_eval_dependencies(ntree, new_deps, [&](const bNodeTree &group) {
gather_geometry_nodes_eval_dependencies_recursive_impl(group, deps_by_tree);
return &deps_by_tree.lookup(&group);
});
deps_by_tree.add(&ntree, std::move(new_deps));
}
EvalDependencies gather_eval_dependencies_recursive(const bNodeTree &ntree)
{
Map<const bNodeTree *, EvalDependencies> deps_by_tree;
gather_geometry_nodes_eval_dependencies_recursive_impl(ntree, deps_by_tree);
return deps_by_tree.lookup(&ntree);
}
} // namespace blender::nodes