/// <summary>
/// Get the raw image data. The returned <c>NativeArray</c> is a direct "view" into the native memory. The
/// memory is only valid until this <see cref="XRAsyncCameraImageConversion"/> is disposed.
/// </summary>
/// <typeparam name="T">The type of data to return. No conversion is performed based on the type; this is
/// merely for access convenience.</typeparam>
/// <returns>
/// A new <c>NativeArray</c> representing the raw image data. This method may fail; use
/// <c>NativeArray.IsCreated</c> to determine the validity of the data.
/// </returns>
/// <exception cref="System.InvalidOperationException">Thrown if the asynchronous conversion
/// <see cref="status"/> is not <see cref="AsyncCameraImageConversionStatus.Ready"/> or if the conversion is
/// invalid.</exception>
public unsafe NativeArray <T> GetData <T>() where T : struct
{
if (status != AsyncCameraImageConversionStatus.Ready)
{
throw new InvalidOperationException("Async request is not ready.");
}
IntPtr dataPtr;
int dataLength;
if (m_CameraSubsystem.TryGetAsyncRequestData(m_RequestId, out dataPtr, out dataLength))
{
int stride = UnsafeUtility.SizeOf <T>();
var array = NativeArrayUnsafeUtility.ConvertExistingDataToNativeArray <T>(
(void *)dataPtr, dataLength / stride, Allocator.None);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
NativeArrayUnsafeUtility.SetAtomicSafetyHandle(ref array, m_SafetyHandle);
#endif
return(array);
}
throw new InvalidOperationException("The XRAsyncCameraImageConversion is not valid.");
}
