// The acquire decision for the shared video texture's keyed mutex, factored out so it can be tested
// without a D3D device (capture/shared_texture.cpp uses it).
#pragma once

#include <windows.h> // HRESULT, S_OK, WAIT_ABANDONED, WAIT_TIMEOUT

namespace coop
{

// True when an IDXGIKeyedMutex::AcquireSync result means we now HOLD the mutex and must copy + then
// release it. S_OK is the normal case. WAIT_ABANDONED is success-with-recovery: a previous owner
// (e.g. a host that crashed while holding it, then reconnected) terminated without releasing, so the
// OS hands ownership to us -- treating it as a failure would skip the copy AND leak ownership, so the
// next AcquireSync would block forever and the mirror would freeze. Timeout / hard errors mean "we
// didn't get it, skip this frame."
inline bool keyed_mutex_acquired(HRESULT acquire_result)
{
	return acquire_result == S_OK || acquire_result == static_cast<HRESULT>(WAIT_ABANDONED);
}

} // namespace coop