public extern static OpenCLErrorCode GetDeviceIDs(
CLPlatformHandle platform,
OpenCLDeviceType device_type,
Int32 num_entries,
[Out, MarshalAs(UnmanagedType.LPArray)] CLDeviceHandle[] devices,
out Int32 num_devices);
public extern static OpenCLErrorCode GetPlatformInfo(
CLPlatformHandle platform,
OpenCLPlatformInfo param_name,
IntPtr param_value_size,
IntPtr param_value,
out IntPtr param_value_size_ret);