getAttributeData() {

		if ( this._attribute === null ) {

			this._attribute = bufferAttribute( this.value );
			this._varying = varying( this._attribute );

		}

		return {
			attribute: this._attribute,
			varying: this._varying
		};

	}
Returns attribute data for this storage buffer node.

@return {{attribute: BufferAttributeNode, varying: VaryingNode}} The attribute data.