* If we destroy them at the end of android_main we might destroy them
while the thread is running and cause incorrect code flows where we
try to join and restart the thread while it's blocking.
* Don't get me started on why android_main exits when you get alt-tabbed
away from...
* APP_CMD_INIT_WINDOW can be called when the application hasn't fully
shutdown, and the thread is still running. Hold a lock while we're
inside renderdoccmd() so that we know if the thread has exited or not.
* This would be easier if android had pthread_tryjoin_np()...
* The functions are still exported and that's all renderdocui cares for.
* The interface is no longer to be used so gets in the way of the
generated SWIG bindings.
* This gives a little nicer syntax, a bit better type safety, and also
reflects better for SWIG bindings. Overall it's a minor change but
better.
* We don't update the C# UI at all, since it's soon to be removed and
not worth the effort/code churn.
* For now so we're ABI compatible with C#, all enums are uint32_t, but
that is an obvious optimisation in future to reduce struct packing.
* We avoid 'None' as an enum value, because it's a reserved word in
python so will cause problems generating bindings.
* This is primarily for vulkan, which supports either xlib or xcb (and
not necessarily both). GL still only supports xlib, windows and
android only support one system regardless of API.
* This should also support xlib again for fetching keystates etc.