MTLAttributeFormat.uchar3 A three-component vector with 8-bit, unsigned integer values. Declarationcase uchar3 See Also8-bit integer formatsMTLAttributeFormat.charMTLAttributeFormat.char2MTLAttributeFormat.char3MTLAttributeFormat.char4MTLAttributeFormat.ucharMTLAttributeFormat.uchar2MTLAttributeFormat.uchar4