A Material instance id and CRC hash value pair. This information is returned by a RayTracingAccelerationStructure.CullInstances call.
| crc | The CRC hash value of a Material that was computed during a RayTracingAccelerationStructure.CullInstances call. |
| instanceID | The Material instance id whose Material CRC was computed during the RayTracingAccelerationStructure.CullInstances call. |