MTLPixelFormat.a8Unorm Ordinary format with one 8-bit normalized unsigned integer component. Declarationcase a8Unorm See AlsoOrdinary 8-bit pixel formatsMTLPixelFormat.r8UnormMTLPixelFormat.r8Unorm_srgbMTLPixelFormat.r8SnormMTLPixelFormat.r8UintMTLPixelFormat.r8Sint