MTLAttributeFormat.uchar3Normalized A three-component vector with 8-bit, normalized, unsigned integer values. Declarationcase uchar3Normalized See Also8-bit normalized integer formatsMTLAttributeFormat.charNormalizedMTLAttributeFormat.char2NormalizedMTLAttributeFormat.char3NormalizedMTLAttributeFormat.char4NormalizedMTLAttributeFormat.ucharNormalizedMTLAttributeFormat.uchar2NormalizedMTLAttributeFormat.uchar4Normalized