private static String GetDeviceInfoString(Device device, CLDeviceInfo deviceInfo)
{
byte[] buffer = GetDeviceInfoBuffer(device, deviceInfo);
Int32 count = Array.IndexOf <byte>(buffer, 0);
return(System.Text.ASCIIEncoding.ASCII.GetString(buffer, 0, count < 0 ? buffer.Length : count).Trim());
}
private static Byte[] GetDeviceInfoBuffer(Device device, CLDeviceInfo deviceInfo)
{
SizeT bufferSize = SizeT.Zero;
OpenCLError.Validate(OpenCLDriver.clGetDeviceInfo(device.CLDeviceID, deviceInfo, SizeT.Zero, IntPtr.Zero, ref bufferSize));
Byte[] buffer = new Byte[(Int64)bufferSize];
OpenCLError.Validate(OpenCLDriver.clGetDeviceInfo(device.CLDeviceID, deviceInfo, bufferSize, buffer, ref bufferSize));
return(buffer);
}
private static T GetDeviceInfo <T>(Device device, CLDeviceInfo deviceInfo) where T : struct
{
Byte[] buffer = GetDeviceInfoBuffer(device, deviceInfo);
GCHandle bufferHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
return((T)Marshal.PtrToStructure(bufferHandle.AddrOfPinnedObject(), typeof(T)));
}
finally
{
bufferHandle.Free();
}
}
public static extern CLError clGetDeviceInfo(
CLDeviceID device,
CLDeviceInfo param_name,
SizeT param_value_size,
IntPtr param_value,
ref SizeT param_value_size_ret);
internal static extern CLError clGetDeviceInfo(CLDeviceID device, CLDeviceInfo param_name, SizeT param_value_size, IntPtr param_value, ref SizeT param_value_size_ret);
internal static extern CLError clGetDeviceInfo(CLDeviceID device, CLDeviceInfo param_name, SizeT param_value_size, [Out] CLPlatformID[] param_value, ref SizeT param_value_size_ret);
internal static extern CLError clGetDeviceInfo(CLDeviceID device, CLDeviceInfo param_name, SizeT param_value_size, [Out] byte[] param_value, ref SizeT param_value_size_ret);
