diff options
Diffstat (limited to 'source/blender/blenkernel/intern/attribute_access.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/attribute_access.cc | 422 |
1 files changed, 278 insertions, 144 deletions
diff --git a/source/blender/blenkernel/intern/attribute_access.cc b/source/blender/blenkernel/intern/attribute_access.cc index aa0af294bc3..08bd5dc5981 100644 --- a/source/blender/blenkernel/intern/attribute_access.cc +++ b/source/blender/blenkernel/intern/attribute_access.cc @@ -44,6 +44,8 @@ using blender::float3; using blender::Set; using blender::StringRef; using blender::StringRefNull; +using blender::bke::AttributeIDRef; +using blender::bke::OutputAttribute; using blender::fn::GMutableSpan; using blender::fn::GSpan; using blender::fn::GVArray_For_GSpan; @@ -334,8 +336,20 @@ bool BuiltinCustomDataLayerProvider::exists(const GeometryComponent &component) return data != nullptr; } +static bool custom_data_layer_matches_attribute_id(const CustomDataLayer &layer, + const AttributeIDRef &attribute_id) +{ + if (!attribute_id) { + return false; + } + if (attribute_id.is_anonymous()) { + return layer.anonymous_id == &attribute_id.anonymous_id(); + } + return layer.name == attribute_id.name(); +} + ReadAttributeLookup CustomDataAttributeProvider::try_get_for_read( - const GeometryComponent &component, const StringRef attribute_name) const + const GeometryComponent &component, const AttributeIDRef &attribute_id) const { const CustomData *custom_data = custom_data_access_.get_const_custom_data(component); if (custom_data == nullptr) { @@ -343,7 +357,7 @@ ReadAttributeLookup CustomDataAttributeProvider::try_get_for_read( } const int domain_size = component.attribute_domain_size(domain_); for (const CustomDataLayer &layer : Span(custom_data->layers, custom_data->totlayer)) { - if (layer.name != attribute_name) { + if (!custom_data_layer_matches_attribute_id(layer, attribute_id)) { continue; } const CustomDataType data_type = (CustomDataType)layer.type; @@ -368,7 +382,7 @@ ReadAttributeLookup CustomDataAttributeProvider::try_get_for_read( } WriteAttributeLookup CustomDataAttributeProvider::try_get_for_write( - GeometryComponent &component, const StringRef attribute_name) const + GeometryComponent &component, const AttributeIDRef &attribute_id) const { CustomData *custom_data = custom_data_access_.get_custom_data(component); if (custom_data == nullptr) { @@ -376,10 +390,17 @@ WriteAttributeLookup CustomDataAttributeProvider::try_get_for_write( } const int domain_size = component.attribute_domain_size(domain_); for (CustomDataLayer &layer : MutableSpan(custom_data->layers, custom_data->totlayer)) { - if (layer.name != attribute_name) { + if (!custom_data_layer_matches_attribute_id(layer, attribute_id)) { continue; } - CustomData_duplicate_referenced_layer_named(custom_data, layer.type, layer.name, domain_size); + if (attribute_id.is_named()) { + CustomData_duplicate_referenced_layer_named( + custom_data, layer.type, layer.name, domain_size); + } + else { + CustomData_duplicate_referenced_layer_anonymous( + custom_data, layer.type, &attribute_id.anonymous_id(), domain_size); + } const CustomDataType data_type = (CustomDataType)layer.type; switch (data_type) { case CD_PROP_FLOAT: @@ -402,7 +423,7 @@ WriteAttributeLookup CustomDataAttributeProvider::try_get_for_write( } bool CustomDataAttributeProvider::try_delete(GeometryComponent &component, - const StringRef attribute_name) const + const AttributeIDRef &attribute_id) const { CustomData *custom_data = custom_data_access_.get_custom_data(component); if (custom_data == nullptr) { @@ -411,7 +432,8 @@ bool CustomDataAttributeProvider::try_delete(GeometryComponent &component, const int domain_size = component.attribute_domain_size(domain_); for (const int i : IndexRange(custom_data->totlayer)) { const CustomDataLayer &layer = custom_data->layers[i]; - if (this->type_is_supported((CustomDataType)layer.type) && layer.name == attribute_name) { + if (this->type_is_supported((CustomDataType)layer.type) && + custom_data_layer_matches_attribute_id(layer, attribute_id)) { CustomData_free_layer(custom_data, layer.type, domain_size, i); return true; } @@ -419,24 +441,39 @@ bool CustomDataAttributeProvider::try_delete(GeometryComponent &component, return false; } -static bool add_named_custom_data_layer_from_attribute_init(const StringRef attribute_name, - CustomData &custom_data, - const CustomDataType data_type, - const int domain_size, - const AttributeInit &initializer) +static void *add_generic_custom_data_layer(CustomData &custom_data, + const CustomDataType data_type, + const eCDAllocType alloctype, + void *layer_data, + const int domain_size, + const AttributeIDRef &attribute_id) { - char attribute_name_c[MAX_NAME]; - attribute_name.copy(attribute_name_c); + if (attribute_id.is_named()) { + char attribute_name_c[MAX_NAME]; + attribute_id.name().copy(attribute_name_c); + return CustomData_add_layer_named( + &custom_data, data_type, CD_DEFAULT, nullptr, domain_size, attribute_name_c); + } + const AnonymousAttributeID &anonymous_id = attribute_id.anonymous_id(); + return CustomData_add_layer_anonymous( + &custom_data, data_type, alloctype, layer_data, domain_size, &anonymous_id); +} +static bool add_custom_data_layer_from_attribute_init(const AttributeIDRef &attribute_id, + CustomData &custom_data, + const CustomDataType data_type, + const int domain_size, + const AttributeInit &initializer) +{ switch (initializer.type) { case AttributeInit::Type::Default: { - void *data = CustomData_add_layer_named( - &custom_data, data_type, CD_DEFAULT, nullptr, domain_size, attribute_name_c); + void *data = add_generic_custom_data_layer( + custom_data, data_type, CD_DEFAULT, nullptr, domain_size, attribute_id); return data != nullptr; } case AttributeInit::Type::VArray: { - void *data = CustomData_add_layer_named( - &custom_data, data_type, CD_DEFAULT, nullptr, domain_size, attribute_name_c); + void *data = add_generic_custom_data_layer( + custom_data, data_type, CD_DEFAULT, nullptr, domain_size, attribute_id); if (data == nullptr) { return false; } @@ -446,8 +483,8 @@ static bool add_named_custom_data_layer_from_attribute_init(const StringRef attr } case AttributeInit::Type::MoveArray: { void *source_data = static_cast<const AttributeInitMove &>(initializer).data; - void *data = CustomData_add_layer_named( - &custom_data, data_type, CD_ASSIGN, source_data, domain_size, attribute_name_c); + void *data = add_generic_custom_data_layer( + custom_data, data_type, CD_ASSIGN, source_data, domain_size, attribute_id); if (data == nullptr) { MEM_freeN(source_data); return false; @@ -461,7 +498,7 @@ static bool add_named_custom_data_layer_from_attribute_init(const StringRef attr } bool CustomDataAttributeProvider::try_create(GeometryComponent &component, - const StringRef attribute_name, + const AttributeIDRef &attribute_id, const AttributeDomain domain, const CustomDataType data_type, const AttributeInit &initializer) const @@ -477,13 +514,13 @@ bool CustomDataAttributeProvider::try_create(GeometryComponent &component, return false; } for (const CustomDataLayer &layer : Span(custom_data->layers, custom_data->totlayer)) { - if (layer.name == attribute_name) { + if (custom_data_layer_matches_attribute_id(layer, attribute_id)) { return false; } } const int domain_size = component.attribute_domain_size(domain_); - add_named_custom_data_layer_from_attribute_init( - attribute_name, *custom_data, data_type, domain_size, initializer); + add_custom_data_layer_from_attribute_init( + attribute_id, *custom_data, data_type, domain_size, initializer); return true; } @@ -498,7 +535,14 @@ bool CustomDataAttributeProvider::foreach_attribute(const GeometryComponent &com const CustomDataType data_type = (CustomDataType)layer.type; if (this->type_is_supported(data_type)) { AttributeMetaData meta_data{domain_, data_type}; - if (!callback(layer.name, meta_data)) { + AttributeIDRef attribute_id; + if (layer.anonymous_id != nullptr) { + attribute_id = layer.anonymous_id; + } + else { + attribute_id = layer.name; + } + if (!callback(attribute_id, meta_data)) { return false; } } @@ -507,7 +551,7 @@ bool CustomDataAttributeProvider::foreach_attribute(const GeometryComponent &com } ReadAttributeLookup NamedLegacyCustomDataProvider::try_get_for_read( - const GeometryComponent &component, const StringRef attribute_name) const + const GeometryComponent &component, const AttributeIDRef &attribute_id) const { const CustomData *custom_data = custom_data_access_.get_const_custom_data(component); if (custom_data == nullptr) { @@ -515,7 +559,7 @@ ReadAttributeLookup NamedLegacyCustomDataProvider::try_get_for_read( } for (const CustomDataLayer &layer : Span(custom_data->layers, custom_data->totlayer)) { if (layer.type == stored_type_) { - if (layer.name == attribute_name) { + if (custom_data_layer_matches_attribute_id(layer, attribute_id)) { const int domain_size = component.attribute_domain_size(domain_); return {as_read_attribute_(layer.data, domain_size), domain_}; } @@ -525,7 +569,7 @@ ReadAttributeLookup NamedLegacyCustomDataProvider::try_get_for_read( } WriteAttributeLookup NamedLegacyCustomDataProvider::try_get_for_write( - GeometryComponent &component, const StringRef attribute_name) const + GeometryComponent &component, const AttributeIDRef &attribute_id) const { CustomData *custom_data = custom_data_access_.get_custom_data(component); if (custom_data == nullptr) { @@ -533,7 +577,7 @@ WriteAttributeLookup NamedLegacyCustomDataProvider::try_get_for_write( } for (CustomDataLayer &layer : MutableSpan(custom_data->layers, custom_data->totlayer)) { if (layer.type == stored_type_) { - if (layer.name == attribute_name) { + if (custom_data_layer_matches_attribute_id(layer, attribute_id)) { const int domain_size = component.attribute_domain_size(domain_); void *data_old = layer.data; void *data_new = CustomData_duplicate_referenced_layer_named( @@ -549,7 +593,7 @@ WriteAttributeLookup NamedLegacyCustomDataProvider::try_get_for_write( } bool NamedLegacyCustomDataProvider::try_delete(GeometryComponent &component, - const StringRef attribute_name) const + const AttributeIDRef &attribute_id) const { CustomData *custom_data = custom_data_access_.get_custom_data(component); if (custom_data == nullptr) { @@ -558,7 +602,7 @@ bool NamedLegacyCustomDataProvider::try_delete(GeometryComponent &component, for (const int i : IndexRange(custom_data->totlayer)) { const CustomDataLayer &layer = custom_data->layers[i]; if (layer.type == stored_type_) { - if (layer.name == attribute_name) { + if (custom_data_layer_matches_attribute_id(layer, attribute_id)) { const int domain_size = component.attribute_domain_size(domain_); CustomData_free_layer(custom_data, stored_type_, domain_size, i); custom_data_access_.update_custom_data_pointers(component); @@ -627,11 +671,11 @@ CustomDataAttributes &CustomDataAttributes::operator=(const CustomDataAttributes return *this; } -std::optional<GSpan> CustomDataAttributes::get_for_read(const StringRef name) const +std::optional<GSpan> CustomDataAttributes::get_for_read(const AttributeIDRef &attribute_id) const { BLI_assert(size_ != 0); for (const CustomDataLayer &layer : Span(data.layers, data.totlayer)) { - if (layer.name == name) { + if (custom_data_layer_matches_attribute_id(layer, attribute_id)) { const CPPType *cpp_type = custom_data_type_to_cpp_type((CustomDataType)layer.type); BLI_assert(cpp_type != nullptr); return GSpan(*cpp_type, layer.data, size_); @@ -645,13 +689,13 @@ std::optional<GSpan> CustomDataAttributes::get_for_read(const StringRef name) co * value if the attribute doesn't exist. If no default value is provided, the default value for the * type will be used. */ -GVArrayPtr CustomDataAttributes::get_for_read(const StringRef name, +GVArrayPtr CustomDataAttributes::get_for_read(const AttributeIDRef &attribute_id, const CustomDataType data_type, const void *default_value) const { const CPPType *type = blender::bke::custom_data_type_to_cpp_type(data_type); - std::optional<GSpan> attribute = this->get_for_read(name); + std::optional<GSpan> attribute = this->get_for_read(attribute_id); if (!attribute) { const int domain_size = this->size_; return std::make_unique<GVArray_For_SingleValue>( @@ -666,12 +710,12 @@ GVArrayPtr CustomDataAttributes::get_for_read(const StringRef name, return conversions.try_convert(std::make_unique<GVArray_For_GSpan>(*attribute), *type); } -std::optional<GMutableSpan> CustomDataAttributes::get_for_write(const StringRef name) +std::optional<GMutableSpan> CustomDataAttributes::get_for_write(const AttributeIDRef &attribute_id) { /* If this assert hits, it most likely means that #reallocate was not called at some point. */ BLI_assert(size_ != 0); for (CustomDataLayer &layer : MutableSpan(data.layers, data.totlayer)) { - if (layer.name == name) { + if (custom_data_layer_matches_attribute_id(layer, attribute_id)) { const CPPType *cpp_type = custom_data_type_to_cpp_type((CustomDataType)layer.type); BLI_assert(cpp_type != nullptr); return GMutableSpan(*cpp_type, layer.data, size_); @@ -680,30 +724,29 @@ std::optional<GMutableSpan> CustomDataAttributes::get_for_write(const StringRef return {}; } -bool CustomDataAttributes::create(const StringRef name, const CustomDataType data_type) +bool CustomDataAttributes::create(const AttributeIDRef &attribute_id, + const CustomDataType data_type) { - char name_c[MAX_NAME]; - name.copy(name_c); - void *result = CustomData_add_layer_named(&data, data_type, CD_DEFAULT, nullptr, size_, name_c); + void *result = add_generic_custom_data_layer( + data, data_type, CD_DEFAULT, nullptr, size_, attribute_id); return result != nullptr; } -bool CustomDataAttributes::create_by_move(const blender::StringRef name, +bool CustomDataAttributes::create_by_move(const AttributeIDRef &attribute_id, const CustomDataType data_type, void *buffer) { - char name_c[MAX_NAME]; - name.copy(name_c); - void *result = CustomData_add_layer_named(&data, data_type, CD_ASSIGN, buffer, size_, name_c); + void *result = add_generic_custom_data_layer( + data, data_type, CD_ASSIGN, buffer, size_, attribute_id); return result != nullptr; } -bool CustomDataAttributes::remove(const blender::StringRef name) +bool CustomDataAttributes::remove(const AttributeIDRef &attribute_id) { bool result = false; for (const int i : IndexRange(data.totlayer)) { const CustomDataLayer &layer = data.layers[i]; - if (layer.name == name) { + if (custom_data_layer_matches_attribute_id(layer, attribute_id)) { CustomData_free_layer(&data, layer.type, size_, i); result = true; } @@ -722,7 +765,14 @@ bool CustomDataAttributes::foreach_attribute(const AttributeForeachCallback call { for (const CustomDataLayer &layer : Span(data.layers, data.totlayer)) { AttributeMetaData meta_data{domain, (CustomDataType)layer.type}; - if (!callback(layer.name, meta_data)) { + AttributeIDRef attribute_id; + if (layer.anonymous_id != nullptr) { + attribute_id = layer.anonymous_id; + } + else { + attribute_id = layer.name; + } + if (!callback(attribute_id, meta_data)) { return false; } } @@ -766,21 +816,23 @@ bool GeometryComponent::attribute_is_builtin(const blender::StringRef attribute_ } blender::bke::ReadAttributeLookup GeometryComponent::attribute_try_get_for_read( - const StringRef attribute_name) const + const AttributeIDRef &attribute_id) const { using namespace blender::bke; const ComponentAttributeProviders *providers = this->get_attribute_providers(); if (providers == nullptr) { return {}; } - const BuiltinAttributeProvider *builtin_provider = - providers->builtin_attribute_providers().lookup_default_as(attribute_name, nullptr); - if (builtin_provider != nullptr) { - return {builtin_provider->try_get_for_read(*this), builtin_provider->domain()}; + if (attribute_id.is_named()) { + const BuiltinAttributeProvider *builtin_provider = + providers->builtin_attribute_providers().lookup_default_as(attribute_id.name(), nullptr); + if (builtin_provider != nullptr) { + return {builtin_provider->try_get_for_read(*this), builtin_provider->domain()}; + } } for (const DynamicAttributesProvider *dynamic_provider : providers->dynamic_attribute_providers()) { - ReadAttributeLookup attribute = dynamic_provider->try_get_for_read(*this, attribute_name); + ReadAttributeLookup attribute = dynamic_provider->try_get_for_read(*this, attribute_id); if (attribute) { return attribute; } @@ -800,21 +852,23 @@ std::unique_ptr<blender::fn::GVArray> GeometryComponent::attribute_try_adapt_dom } blender::bke::WriteAttributeLookup GeometryComponent::attribute_try_get_for_write( - const StringRef attribute_name) + const AttributeIDRef &attribute_id) { using namespace blender::bke; const ComponentAttributeProviders *providers = this->get_attribute_providers(); if (providers == nullptr) { return {}; } - const BuiltinAttributeProvider *builtin_provider = - providers->builtin_attribute_providers().lookup_default_as(attribute_name, nullptr); - if (builtin_provider != nullptr) { - return {builtin_provider->try_get_for_write(*this), builtin_provider->domain()}; + if (attribute_id.is_named()) { + const BuiltinAttributeProvider *builtin_provider = + providers->builtin_attribute_providers().lookup_default_as(attribute_id.name(), nullptr); + if (builtin_provider != nullptr) { + return {builtin_provider->try_get_for_write(*this), builtin_provider->domain()}; + } } for (const DynamicAttributesProvider *dynamic_provider : providers->dynamic_attribute_providers()) { - WriteAttributeLookup attribute = dynamic_provider->try_get_for_write(*this, attribute_name); + WriteAttributeLookup attribute = dynamic_provider->try_get_for_write(*this, attribute_id); if (attribute) { return attribute; } @@ -822,53 +876,57 @@ blender::bke::WriteAttributeLookup GeometryComponent::attribute_try_get_for_writ return {}; } -bool GeometryComponent::attribute_try_delete(const StringRef attribute_name) +bool GeometryComponent::attribute_try_delete(const AttributeIDRef &attribute_id) { using namespace blender::bke; const ComponentAttributeProviders *providers = this->get_attribute_providers(); if (providers == nullptr) { return {}; } - const BuiltinAttributeProvider *builtin_provider = - providers->builtin_attribute_providers().lookup_default_as(attribute_name, nullptr); - if (builtin_provider != nullptr) { - return builtin_provider->try_delete(*this); + if (attribute_id.is_named()) { + const BuiltinAttributeProvider *builtin_provider = + providers->builtin_attribute_providers().lookup_default_as(attribute_id.name(), nullptr); + if (builtin_provider != nullptr) { + return builtin_provider->try_delete(*this); + } } bool success = false; for (const DynamicAttributesProvider *dynamic_provider : providers->dynamic_attribute_providers()) { - success = dynamic_provider->try_delete(*this, attribute_name) || success; + success = dynamic_provider->try_delete(*this, attribute_id) || success; } return success; } -bool GeometryComponent::attribute_try_create(const StringRef attribute_name, +bool GeometryComponent::attribute_try_create(const AttributeIDRef &attribute_id, const AttributeDomain domain, const CustomDataType data_type, const AttributeInit &initializer) { using namespace blender::bke; - if (attribute_name.is_empty()) { + if (!attribute_id) { return false; } const ComponentAttributeProviders *providers = this->get_attribute_providers(); if (providers == nullptr) { return false; } - const BuiltinAttributeProvider *builtin_provider = - providers->builtin_attribute_providers().lookup_default_as(attribute_name, nullptr); - if (builtin_provider != nullptr) { - if (builtin_provider->domain() != domain) { - return false; - } - if (builtin_provider->data_type() != data_type) { - return false; + if (attribute_id.is_named()) { + const BuiltinAttributeProvider *builtin_provider = + providers->builtin_attribute_providers().lookup_default_as(attribute_id.name(), nullptr); + if (builtin_provider != nullptr) { + if (builtin_provider->domain() != domain) { + return false; + } + if (builtin_provider->data_type() != data_type) { + return false; + } + return builtin_provider->try_create(*this, initializer); } - return builtin_provider->try_create(*this, initializer); } for (const DynamicAttributesProvider *dynamic_provider : providers->dynamic_attribute_providers()) { - if (dynamic_provider->try_create(*this, attribute_name, domain, data_type, initializer)) { + if (dynamic_provider->try_create(*this, attribute_id, domain, data_type, initializer)) { return true; } } @@ -894,13 +952,14 @@ bool GeometryComponent::attribute_try_create_builtin(const blender::StringRef at return builtin_provider->try_create(*this, initializer); } -Set<std::string> GeometryComponent::attribute_names() const +Set<AttributeIDRef> GeometryComponent::attribute_ids() const { - Set<std::string> attributes; - this->attribute_foreach([&](StringRefNull name, const AttributeMetaData &UNUSED(meta_data)) { - attributes.add(name); - return true; - }); + Set<AttributeIDRef> attributes; + this->attribute_foreach( + [&](const AttributeIDRef &attribute_id, const AttributeMetaData &UNUSED(meta_data)) { + attributes.add(attribute_id); + return true; + }); return attributes; } @@ -931,9 +990,9 @@ bool GeometryComponent::attribute_foreach(const AttributeForeachCallback callbac } for (const DynamicAttributesProvider *provider : providers->dynamic_attribute_providers()) { const bool continue_loop = provider->foreach_attribute( - *this, [&](StringRefNull name, const AttributeMetaData &meta_data) { - if (handled_attribute_names.add(name)) { - return callback(name, meta_data); + *this, [&](const AttributeIDRef &attribute_id, const AttributeMetaData &meta_data) { + if (attribute_id.is_anonymous() || handled_attribute_names.add(attribute_id.name())) { + return callback(attribute_id, meta_data); } return true; }); @@ -945,9 +1004,9 @@ bool GeometryComponent::attribute_foreach(const AttributeForeachCallback callbac return true; } -bool GeometryComponent::attribute_exists(const blender::StringRef attribute_name) const +bool GeometryComponent::attribute_exists(const AttributeIDRef &attribute_id) const { - blender::bke::ReadAttributeLookup attribute = this->attribute_try_get_for_read(attribute_name); + blender::bke::ReadAttributeLookup attribute = this->attribute_try_get_for_read(attribute_id); if (attribute) { return true; } @@ -955,16 +1014,17 @@ bool GeometryComponent::attribute_exists(const blender::StringRef attribute_name } std::optional<AttributeMetaData> GeometryComponent::attribute_get_meta_data( - const StringRef attribute_name) const + const AttributeIDRef &attribute_id) const { std::optional<AttributeMetaData> result{std::nullopt}; - this->attribute_foreach([&](StringRefNull name, const AttributeMetaData &meta_data) { - if (attribute_name == name) { - result = meta_data; - return false; - } - return true; - }); + this->attribute_foreach( + [&](const AttributeIDRef ¤t_attribute_id, const AttributeMetaData &meta_data) { + if (attribute_id == current_attribute_id) { + result = meta_data; + return false; + } + return true; + }); return result; } @@ -977,11 +1037,11 @@ static std::unique_ptr<blender::fn::GVArray> try_adapt_data_type( } std::unique_ptr<blender::fn::GVArray> GeometryComponent::attribute_try_get_for_read( - const StringRef attribute_name, + const AttributeIDRef &attribute_id, const AttributeDomain domain, const CustomDataType data_type) const { - blender::bke::ReadAttributeLookup attribute = this->attribute_try_get_for_read(attribute_name); + blender::bke::ReadAttributeLookup attribute = this->attribute_try_get_for_read(attribute_id); if (!attribute) { return {}; } @@ -1007,13 +1067,13 @@ std::unique_ptr<blender::fn::GVArray> GeometryComponent::attribute_try_get_for_r } std::unique_ptr<blender::bke::GVArray> GeometryComponent::attribute_try_get_for_read( - const StringRef attribute_name, const AttributeDomain domain) const + const AttributeIDRef &attribute_id, const AttributeDomain domain) const { if (!this->attribute_domain_supported(domain)) { return {}; } - blender::bke::ReadAttributeLookup attribute = this->attribute_try_get_for_read(attribute_name); + blender::bke::ReadAttributeLookup attribute = this->attribute_try_get_for_read(attribute_id); if (!attribute) { return {}; } @@ -1026,9 +1086,9 @@ std::unique_ptr<blender::bke::GVArray> GeometryComponent::attribute_try_get_for_ } blender::bke::ReadAttributeLookup GeometryComponent::attribute_try_get_for_read( - const blender::StringRef attribute_name, const CustomDataType data_type) const + const AttributeIDRef &attribute_id, const CustomDataType data_type) const { - blender::bke::ReadAttributeLookup attribute = this->attribute_try_get_for_read(attribute_name); + blender::bke::ReadAttributeLookup attribute = this->attribute_try_get_for_read(attribute_id); if (!attribute) { return {}; } @@ -1043,13 +1103,13 @@ blender::bke::ReadAttributeLookup GeometryComponent::attribute_try_get_for_read( } std::unique_ptr<blender::bke::GVArray> GeometryComponent::attribute_get_for_read( - const StringRef attribute_name, + const AttributeIDRef &attribute_id, const AttributeDomain domain, const CustomDataType data_type, const void *default_value) const { std::unique_ptr<blender::bke::GVArray> varray = this->attribute_try_get_for_read( - attribute_name, domain, data_type); + attribute_id, domain, data_type); if (varray) { return varray; } @@ -1065,15 +1125,22 @@ class GVMutableAttribute_For_OutputAttribute : public blender::fn::GVMutableArray_For_GMutableSpan { public: GeometryComponent *component; - std::string final_name; + std::string attribute_name; + blender::bke::WeakAnonymousAttributeID anonymous_attribute_id; GVMutableAttribute_For_OutputAttribute(GMutableSpan data, GeometryComponent &component, - std::string final_name) - : blender::fn::GVMutableArray_For_GMutableSpan(data), - component(&component), - final_name(std::move(final_name)) + const AttributeIDRef &attribute_id) + : blender::fn::GVMutableArray_For_GMutableSpan(data), component(&component) { + if (attribute_id.is_named()) { + this->attribute_name = attribute_id.name(); + } + else { + const AnonymousAttributeID *anonymous_id = &attribute_id.anonymous_id(); + BKE_anonymous_attribute_id_increment_weak(anonymous_id); + this->anonymous_attribute_id = blender::bke::WeakAnonymousAttributeID{anonymous_id}; + } } ~GVMutableAttribute_For_OutputAttribute() override @@ -1083,7 +1150,7 @@ class GVMutableAttribute_For_OutputAttribute } }; -static void save_output_attribute(blender::bke::OutputAttribute &output_attribute) +static void save_output_attribute(OutputAttribute &output_attribute) { using namespace blender; using namespace blender::fn; @@ -1093,21 +1160,28 @@ static void save_output_attribute(blender::bke::OutputAttribute &output_attribut dynamic_cast<GVMutableAttribute_For_OutputAttribute &>(output_attribute.varray()); GeometryComponent &component = *varray.component; - const StringRefNull name = varray.final_name; + AttributeIDRef attribute_id; + if (!varray.attribute_name.empty()) { + attribute_id = varray.attribute_name; + } + else { + attribute_id = varray.anonymous_attribute_id.extract(); + } const AttributeDomain domain = output_attribute.domain(); const CustomDataType data_type = output_attribute.custom_data_type(); const CPPType &cpp_type = output_attribute.cpp_type(); - component.attribute_try_delete(name); - if (!component.attribute_try_create( - varray.final_name, domain, data_type, AttributeInitDefault())) { - CLOG_WARN(&LOG, - "Could not create the '%s' attribute with type '%s'.", - name.c_str(), - cpp_type.name().c_str()); + component.attribute_try_delete(attribute_id); + if (!component.attribute_try_create(attribute_id, domain, data_type, AttributeInitDefault())) { + if (!varray.attribute_name.empty()) { + CLOG_WARN(&LOG, + "Could not create the '%s' attribute with type '%s'.", + varray.attribute_name.c_str(), + cpp_type.name().c_str()); + } return; } - WriteAttributeLookup write_attribute = component.attribute_try_get_for_write(name); + WriteAttributeLookup write_attribute = component.attribute_try_get_for_write(attribute_id); BUFFER_FOR_CPP_TYPE_VALUE(varray.type(), buffer); for (const int i : IndexRange(varray.size())) { varray.get(i, buffer); @@ -1115,19 +1189,18 @@ static void save_output_attribute(blender::bke::OutputAttribute &output_attribut } } -static blender::bke::OutputAttribute create_output_attribute( - GeometryComponent &component, - const blender::StringRef attribute_name, - const AttributeDomain domain, - const CustomDataType data_type, - const bool ignore_old_values, - const void *default_value) +static OutputAttribute create_output_attribute(GeometryComponent &component, + const AttributeIDRef &attribute_id, + const AttributeDomain domain, + const CustomDataType data_type, + const bool ignore_old_values, + const void *default_value) { using namespace blender; using namespace blender::fn; using namespace blender::bke; - if (attribute_name.is_empty()) { + if (!attribute_id) { return {}; } @@ -1135,7 +1208,8 @@ static blender::bke::OutputAttribute create_output_attribute( BLI_assert(cpp_type != nullptr); const nodes::DataTypeConversions &conversions = nodes::get_implicit_type_conversions(); - if (component.attribute_is_builtin(attribute_name)) { + if (attribute_id.is_named() && component.attribute_is_builtin(attribute_id.name())) { + const StringRef attribute_name = attribute_id.name(); WriteAttributeLookup attribute = component.attribute_try_get_for_write(attribute_name); if (!attribute) { if (default_value) { @@ -1169,18 +1243,18 @@ static blender::bke::OutputAttribute create_output_attribute( const int domain_size = component.attribute_domain_size(domain); - WriteAttributeLookup attribute = component.attribute_try_get_for_write(attribute_name); + WriteAttributeLookup attribute = component.attribute_try_get_for_write(attribute_id); if (!attribute) { if (default_value) { const GVArray_For_SingleValueRef default_varray{*cpp_type, domain_size, default_value}; component.attribute_try_create( - attribute_name, domain, data_type, AttributeInitVArray(&default_varray)); + attribute_id, domain, data_type, AttributeInitVArray(&default_varray)); } else { - component.attribute_try_create(attribute_name, domain, data_type, AttributeInitDefault()); + component.attribute_try_create(attribute_id, domain, data_type, AttributeInitDefault()); } - attribute = component.attribute_try_get_for_write(attribute_name); + attribute = component.attribute_try_get_for_write(attribute_id); if (!attribute) { /* Can't create the attribute. */ return {}; @@ -1202,28 +1276,88 @@ static blender::bke::OutputAttribute create_output_attribute( else { /* Fill the temporary array with values from the existing attribute. */ GVArrayPtr old_varray = component.attribute_get_for_read( - attribute_name, domain, data_type, default_value); + attribute_id, domain, data_type, default_value); old_varray->materialize_to_uninitialized(IndexRange(domain_size), data); } GVMutableArrayPtr varray = std::make_unique<GVMutableAttribute_For_OutputAttribute>( - GMutableSpan{*cpp_type, data, domain_size}, component, attribute_name); + GMutableSpan{*cpp_type, data, domain_size}, component, attribute_id); return OutputAttribute(std::move(varray), domain, save_output_attribute, true); } -blender::bke::OutputAttribute GeometryComponent::attribute_try_get_for_output( - const StringRef attribute_name, - const AttributeDomain domain, - const CustomDataType data_type, - const void *default_value) +OutputAttribute GeometryComponent::attribute_try_get_for_output(const AttributeIDRef &attribute_id, + const AttributeDomain domain, + const CustomDataType data_type, + const void *default_value) { - return create_output_attribute(*this, attribute_name, domain, data_type, false, default_value); + return create_output_attribute(*this, attribute_id, domain, data_type, false, default_value); } -blender::bke::OutputAttribute GeometryComponent::attribute_try_get_for_output_only( - const blender::StringRef attribute_name, +OutputAttribute GeometryComponent::attribute_try_get_for_output_only( + const AttributeIDRef &attribute_id, const AttributeDomain domain, const CustomDataType data_type) { - return create_output_attribute(*this, attribute_name, domain, data_type, true, nullptr); + return create_output_attribute(*this, attribute_id, domain, data_type, true, nullptr); +} + +namespace blender::bke { + +const GVArray *AttributeFieldInput::get_varray_for_context(const fn::FieldContext &context, + IndexMask UNUSED(mask), + ResourceScope &scope) const +{ + if (const GeometryComponentFieldContext *geometry_context = + dynamic_cast<const GeometryComponentFieldContext *>(&context)) { + const GeometryComponent &component = geometry_context->geometry_component(); + const AttributeDomain domain = geometry_context->domain(); + const CustomDataType data_type = cpp_type_to_custom_data_type(*type_); + GVArrayPtr attribute = component.attribute_try_get_for_read(name_, domain, data_type); + return scope.add(std::move(attribute), __func__); + } + return nullptr; +} + +uint64_t AttributeFieldInput::hash() const +{ + return get_default_hash_2(name_, type_); +} + +bool AttributeFieldInput::is_equal_to(const fn::FieldNode &other) const +{ + if (const AttributeFieldInput *other_typed = dynamic_cast<const AttributeFieldInput *>(&other)) { + return name_ == other_typed->name_ && type_ == other_typed->type_; + } + return false; +} + +const GVArray *AnonymousAttributeFieldInput::get_varray_for_context( + const fn::FieldContext &context, IndexMask UNUSED(mask), ResourceScope &scope) const +{ + if (const GeometryComponentFieldContext *geometry_context = + dynamic_cast<const GeometryComponentFieldContext *>(&context)) { + const GeometryComponent &component = geometry_context->geometry_component(); + const AttributeDomain domain = geometry_context->domain(); + const CustomDataType data_type = cpp_type_to_custom_data_type(*type_); + GVArrayPtr attribute = component.attribute_try_get_for_read( + anonymous_id_.get(), domain, data_type); + return scope.add(std::move(attribute), __func__); + } + return nullptr; +} + +uint64_t AnonymousAttributeFieldInput::hash() const +{ + return get_default_hash_2(anonymous_id_.get(), type_); } + +bool AnonymousAttributeFieldInput::is_equal_to(const fn::FieldNode &other) const +{ + if (const AnonymousAttributeFieldInput *other_typed = + dynamic_cast<const AnonymousAttributeFieldInput *>(&other)) { + return anonymous_id_.get() == other_typed->anonymous_id_.get() && type_ == other_typed->type_; + } + return false; +} + +} // namespace blender::bke |