MTLVertexFormat.char2 A two-component vector with 8-bit, signed integer values. Declarationcase char2 See Also8-bit integer formatsMTLVertexFormat.charMTLVertexFormat.char3MTLVertexFormat.char4MTLVertexFormat.ucharMTLVertexFormat.uchar2MTLVertexFormat.uchar3MTLVertexFormat.uchar4