public Buffer <T> CreateBuffer <T>(MemoryFlags flags, long size, IntPtr hostAddress)
where T : struct
{
if (size < 0)
{
throw new ArgumentOutOfRangeException(nameof(size));
}
else if (size == 0)
{
throw new ArgumentException("Invalid buffer size.", nameof(size));
}
if (hostAddress == IntPtr.Zero && (flags & (MemoryFlags.UseHostPointer | MemoryFlags.CopyHostPointer)) != 0)
{
throw new ArgumentException("Invalid host address.", nameof(hostAddress));
}
if (hostAddress != IntPtr.Zero && (flags & (MemoryFlags.UseHostPointer | MemoryFlags.CopyHostPointer)) == 0)
{
throw new ArgumentException("Invalid host address.", nameof(hostAddress));
}
BufferSafeHandle handle = UnsafeNativeMethods.CreateBuffer(Handle, flags, (IntPtr)size, hostAddress);
return(new Buffer <T>(this, handle));
}
internal Buffer(Context context, Buffer <T> parent, BufferSafeHandle handle)
: base(context, handle)
{
if (parent == null)
{
throw new ArgumentNullException(nameof(parent));
}
_parent = parent;
}
public Buffer <T> CreateSubBuffer(MemoryFlags flags, BufferRegion regionInfo)
{
BufferSafeHandle subBuffer = UnsafeNativeMethods.CreateSubBuffer(Handle, flags, regionInfo);
return(new Buffer <T>(Context, this, subBuffer));
}
internal Buffer(Context context, BufferSafeHandle handle)
: base(context, handle)
{
}