No, I don't think that llvmpipe or any other driver would have IPC data to
cleanup -- even with shared surfaces these things tend to be handled
transparently in kernel space.
But, from the documentation, it sounds like we should do no cleanup whatsoever,
i.e, we should skip both stw_cleanup
When using LLVMPIPE on Windows 7 OS, i noticed that it is very simple
to run into a situation where the process hangs at application exit.
Precondition:
Activate multithreading using condition variables in
os_thread.h
by replacing
#if 0 && defined (