MTLAttributeFormat.char2 A two-component vector with 8-bit, signed integer values. Declarationcase char2 See Also8-bit integer formatsMTLAttributeFormat.charMTLAttributeFormat.char3MTLAttributeFormat.char4MTLAttributeFormat.ucharMTLAttributeFormat.uchar2MTLAttributeFormat.uchar3MTLAttributeFormat.uchar4