Re: Better fix for [bug 829] (same surface display corruption)

[Alexandre Julliard]

Lionel Ulmer  writes:
> What I had in mind in my comments to your patch was something like that :
>
> if (src != iface)
>     Do the standard memcpy code path
>  else
>     if source_Y > dest_Y
>       do the ascending memmove copy
>     else
>       do the descending memmove copy

Do you actually need memmove in all these cases?  It seems to me that
it would only be needed if source_Y == dest_Y.