Differential D12903 Diff 43467 source/blender/blenkernel/intern/attribute_access_intern.hh

Changeset View

Standalone View

source/blender/blenkernel/intern/attribute_access_intern.hh

Show First 20 Lines • Show All 281 Lines • ▼ Show 20 Lines	public:
GVArrayPtr try_get_for_read(const GeometryComponent &component) const final;		GVArrayPtr try_get_for_read(const GeometryComponent &component) const final;
GVMutableArrayPtr try_get_for_write(GeometryComponent &component) const final;		GVMutableArrayPtr try_get_for_write(GeometryComponent &component) const final;
bool try_delete(GeometryComponent &component) const final;		bool try_delete(GeometryComponent &component) const final;
bool try_create(GeometryComponent &component, const AttributeInit &initializer) const final;		bool try_create(GeometryComponent &component, const AttributeInit &initializer) const final;
bool exists(const GeometryComponent &component) const final;		bool exists(const GeometryComponent &component) const final;
};		};

/**		/**
		* This provider is used to provide access to builtin attributes. It supports making internal types
		* available as different types. For example, the vertex position attribute is stored as part of
		* the #MVert struct, but is exposed as float3 attribute.
		*/
		class BuiltinNamedCustomDataLayerProvider final : public BuiltinAttributeProvider {
		using AsReadAttribute = GVArrayPtr ()(const void data, const int domain_size);
		using AsWriteAttribute = GVMutableArrayPtr ()(void data, const int domain_size);
		using UpdateOnRead = void (*)(const GeometryComponent &component);
		using UpdateOnWrite = void (*)(GeometryComponent &component);
		const CustomDataAccessInfo custom_data_access_;
		const AsReadAttribute as_read_attribute_;
		const AsWriteAttribute as_write_attribute_;
		const UpdateOnWrite update_on_write_;

		public:
		BuiltinNamedCustomDataLayerProvider(std::string attribute_name,
		const AttributeDomain domain,
		const CustomDataType attribute_type,
		const CreatableEnum creatable,
		const DeletableEnum deletable,
		const CustomDataAccessInfo custom_data_access,
		const AsReadAttribute as_read_attribute,
		const AsWriteAttribute as_write_attribute,
		const UpdateOnWrite update_on_write)
		: BuiltinAttributeProvider(std::move(attribute_name),
		domain,
		attribute_type,
		creatable,
		WritableEnum::Writable,
		deletable),
		custom_data_access_(custom_data_access),
		as_read_attribute_(as_read_attribute),
		as_write_attribute_(as_write_attribute),
		update_on_write_(update_on_write)
		{
		}

		GVArrayPtr try_get_for_read(const GeometryComponent &component) const final;
		GVMutableArrayPtr try_get_for_write(GeometryComponent &component) const final;
		bool try_delete(GeometryComponent &component) const final;
		bool try_create(GeometryComponent &component, const AttributeInit &initializer) const final;
		bool exists(const GeometryComponent &component) const final;
		};

		/**
* This is a container for multiple attribute providers that are used by one geometry component		* This is a container for multiple attribute providers that are used by one geometry component
* type (e.g. there is a set of attribute providers for mesh components).		* type (e.g. there is a set of attribute providers for mesh components).
*/		*/
class ComponentAttributeProviders {		class ComponentAttributeProviders {
private:		private:
/**		/**
* Builtin attribute providers are identified by their name. Attribute names that are in this		* Builtin attribute providers are identified by their name. Attribute names that are in this
* map will only be accessed using builtin attribute providers. Therefore, these providers have		* map will only be accessed using builtin attribute providers. Therefore, these providers have
▲ Show 20 Lines • Show All 46 Lines • Show Last 20 Lines