internal static void Alloc(MemoryBuffer buffer)
{
Debug.Assert(buffer.pointer == 0);
switch (buffer.memorySpace)
{
case MemorySpace.Null:
throw new ArgumentNullException();
case MemorySpace.Host:
MemoryManagerApi.AllocHost(buffer);
break;
case MemorySpace.Device:
MemoryManagerApi.Alloc(buffer);
break;
default:
throw new NotImplementedException();
}
}
public virtual T[] GetRaw <T>() where T : struct, IEquatable <T>, IFormattable
{
Debug.Assert(Buffer.pointer != 0);
// prepare a buffer host-side
MemoryBuffer hostBuffer = new MemoryBuffer(0, (uint)Buffer.size, MemorySpace.Host, mathDomain);
MemoryManagerApi.AllocHost(hostBuffer);
MemoryManagerApi.AutoCopy(hostBuffer, Buffer);
object ret = null;
switch (mathDomain)
{
case MathDomain.Null:
throw new ArgumentNullException();
case MathDomain.Int:
ret = new int[hostBuffer.size];
Marshal.Copy((IntPtr)hostBuffer.pointer, (int[])ret, 0, (int)hostBuffer.size);
break;
case MathDomain.Float:
ret = new float[hostBuffer.size];
Marshal.Copy((IntPtr)hostBuffer.pointer, (float[])ret, 0, (int)hostBuffer.size);
break;
case MathDomain.Double:
ret = new double[hostBuffer.size];
Marshal.Copy((IntPtr)hostBuffer.pointer, (double[])ret, 0, (int)hostBuffer.size);
break;
default:
throw new NotImplementedException();
}
return((T[])Convert.ChangeType(ret, typeof(T[])));
}
