unsigned GetBytesPerBlock()

in winrt/lib/utils/DxgiUtilities.cpp [61:183]
114 lines of code
100 McCabe index (conditional complexity)

    unsigned GetBytesPerBlock(DXGI_FORMAT format)
    {
        switch (format)
        {
        case DXGI_FORMAT_R32G32B32A32_TYPELESS: return 16;
        case DXGI_FORMAT_R32G32B32A32_FLOAT: return 16;
        case DXGI_FORMAT_R32G32B32A32_UINT: return 16;
        case DXGI_FORMAT_R32G32B32A32_SINT: return 16;
        case DXGI_FORMAT_R32G32B32_TYPELESS: return 12;
        case DXGI_FORMAT_R32G32B32_FLOAT: return 12;
        case DXGI_FORMAT_R32G32B32_UINT: return 12;
        case DXGI_FORMAT_R32G32B32_SINT: return 12;
        case DXGI_FORMAT_R16G16B16A16_TYPELESS: return 8;
        case DXGI_FORMAT_R16G16B16A16_FLOAT: return 8;
        case DXGI_FORMAT_R16G16B16A16_UNORM: return 8;
        case DXGI_FORMAT_R16G16B16A16_UINT: return 8;
        case DXGI_FORMAT_R16G16B16A16_SNORM: return 8;
        case DXGI_FORMAT_R16G16B16A16_SINT: return 8;
        case DXGI_FORMAT_R32G32_TYPELESS: return 8;
        case DXGI_FORMAT_R32G32_FLOAT: return 8;
        case DXGI_FORMAT_R32G32_UINT: return 8;
        case DXGI_FORMAT_R32G32_SINT: return 8;
        case DXGI_FORMAT_R32G8X24_TYPELESS: return 8;
        case DXGI_FORMAT_D32_FLOAT_S8X24_UINT: return 8;
        case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS: return 8;
        case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT: return 8;
        case DXGI_FORMAT_R10G10B10A2_TYPELESS: return 4;
        case DXGI_FORMAT_R10G10B10A2_UNORM: return 4;
        case DXGI_FORMAT_R10G10B10A2_UINT: return 4;
        case DXGI_FORMAT_R11G11B10_FLOAT: return 4;
        case DXGI_FORMAT_R8G8B8A8_TYPELESS: return 4;
        case DXGI_FORMAT_R8G8B8A8_UNORM: return 4;
        case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB: return 4;
        case DXGI_FORMAT_R8G8B8A8_UINT: return 4;
        case DXGI_FORMAT_R8G8B8A8_SNORM: return 4;
        case DXGI_FORMAT_R8G8B8A8_SINT: return 4;
        case DXGI_FORMAT_R16G16_TYPELESS: return 4;
        case DXGI_FORMAT_R16G16_FLOAT: return 4;
        case DXGI_FORMAT_R16G16_UNORM: return 4;
        case DXGI_FORMAT_R16G16_UINT: return 4;
        case DXGI_FORMAT_R16G16_SNORM: return 4;
        case DXGI_FORMAT_R16G16_SINT: return 4;
        case DXGI_FORMAT_R32_TYPELESS: return 4;
        case DXGI_FORMAT_D32_FLOAT: return 4;
        case DXGI_FORMAT_R32_FLOAT: return 4;
        case DXGI_FORMAT_R32_UINT: return 4;
        case DXGI_FORMAT_R32_SINT: return 4;
        case DXGI_FORMAT_R24G8_TYPELESS: return 4;
        case DXGI_FORMAT_D24_UNORM_S8_UINT: return 4;
        case DXGI_FORMAT_R24_UNORM_X8_TYPELESS: return 4;
        case DXGI_FORMAT_X24_TYPELESS_G8_UINT: return 4;
        case DXGI_FORMAT_R8G8_TYPELESS: return 2;
        case DXGI_FORMAT_R8G8_UNORM: return 2;
        case DXGI_FORMAT_R8G8_UINT: return 2;
        case DXGI_FORMAT_R8G8_SNORM: return 2;
        case DXGI_FORMAT_R8G8_SINT: return 2;
        case DXGI_FORMAT_R16_TYPELESS: return 2;
        case DXGI_FORMAT_R16_FLOAT: return 2;
        case DXGI_FORMAT_D16_UNORM: return 2;
        case DXGI_FORMAT_R16_UNORM: return 2;
        case DXGI_FORMAT_R16_UINT: return 2;
        case DXGI_FORMAT_R16_SNORM: return 2;
        case DXGI_FORMAT_R16_SINT: return 2;
        case DXGI_FORMAT_R8_TYPELESS: return 1;
        case DXGI_FORMAT_R8_UNORM: return 1;
        case DXGI_FORMAT_R8_UINT: return 1;
        case DXGI_FORMAT_R8_SNORM: return 1;
        case DXGI_FORMAT_R8_SINT: return 1;
        case DXGI_FORMAT_A8_UNORM: return 1;
        case DXGI_FORMAT_R9G9B9E5_SHAREDEXP: return 4;
        case DXGI_FORMAT_B5G6R5_UNORM: return 2;
        case DXGI_FORMAT_B5G5R5A1_UNORM: return 2;
        case DXGI_FORMAT_B8G8R8A8_UNORM: return 4;
        case DXGI_FORMAT_B8G8R8X8_UNORM: return 4;
        case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM: return 4;
        case DXGI_FORMAT_B8G8R8A8_TYPELESS: return 4;
        case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB: return 4;
        case DXGI_FORMAT_B8G8R8X8_TYPELESS: return 4;
        case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB: return 4;
        case DXGI_FORMAT_P8: return 1;
        case DXGI_FORMAT_A8P8: return 2;
        case DXGI_FORMAT_B4G4R4A4_UNORM: return 2;

        case DXGI_FORMAT_BC1_TYPELESS:
        case DXGI_FORMAT_BC1_UNORM:
        case DXGI_FORMAT_BC1_UNORM_SRGB:
            return 8;

        case DXGI_FORMAT_BC2_TYPELESS:
        case DXGI_FORMAT_BC2_UNORM:
        case DXGI_FORMAT_BC2_UNORM_SRGB:
            return 16;

        case DXGI_FORMAT_BC3_TYPELESS:
        case DXGI_FORMAT_BC3_UNORM:
        case DXGI_FORMAT_BC3_UNORM_SRGB:
            return 16;

        case DXGI_FORMAT_BC4_TYPELESS:
        case DXGI_FORMAT_BC4_UNORM:
        case DXGI_FORMAT_BC4_SNORM:
            return 8;

        case DXGI_FORMAT_BC5_TYPELESS:
        case DXGI_FORMAT_BC5_UNORM:
        case DXGI_FORMAT_BC5_SNORM:
            return 16;

        case DXGI_FORMAT_BC6H_TYPELESS:
        case DXGI_FORMAT_BC6H_UF16:
        case DXGI_FORMAT_BC6H_SF16:
            return 16;

        case DXGI_FORMAT_BC7_TYPELESS:
        case DXGI_FORMAT_BC7_UNORM:
        case DXGI_FORMAT_BC7_UNORM_SRGB:
            return 16;

        default:
            // Some formats such as DXGI_FORMAT_UNKNOWN
            ThrowHR(WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT);
        }
    }