| 39 | } |
| 40 | |
| 41 | Format makeFormat(DataType dataType, int numChannels) |
| 42 | { |
| 43 | if (dataType == DataType::Undefined) |
| 44 | return Format::Undefined; |
| 45 | |
| 46 | Format baseFormat; |
| 47 | switch (dataType) |
| 48 | { |
| 49 | case DataType::Float16: |
| 50 | baseFormat = Format::Half; |
| 51 | break; |
| 52 | case DataType::Float32: |
| 53 | baseFormat = Format::Float; |
| 54 | break; |
| 55 | default: |
| 56 | throw std::invalid_argument("unsupported format data type"); |
| 57 | } |
| 58 | |
| 59 | if (numChannels < 1 || numChannels > 4) |
| 60 | throw std::invalid_argument("invalid number of channels"); |
| 61 | |
| 62 | return Format(int(baseFormat) + numChannels - 1); |
| 63 | } |
| 64 | |
| 65 | OIDN_NAMESPACE_END |