private void StopInternal()
{
OpenXRFeature.ReceiveLoaderEvent(this, OpenXRFeature.LoaderEvent.SubsystemStop);
if (inputSubsystem?.running ?? false)
{
StopSubsystem <XRInputSubsystem>();
}
if (displaySubsystem?.running ?? false)
{
StopSubsystem <XRDisplaySubsystem>();
}
OpenXRInput.Stop();
Internal_EndSession();
}
private bool StartInternal()
{
// In order to get XrReady, we have to at least attempt to create
// the session if it isn't already there.
if (!Internal_CreateSessionIfNeeded())
{
return(false);
}
if (currentOpenXRState != OpenXRFeature.NativeEvent.XrReady ||
(currentLoaderState != LoaderState.StartAttempted && currentLoaderState != LoaderState.Started))
{
return(true);
}
// calls xrBeginSession
Internal_BeginSession();
OpenXRInput.AttachActionSets();
// Note: Display has to be started before Input so that Input can have access to the Session object
StartSubsystem <XRDisplaySubsystem>();
if (!displaySubsystem?.running ?? false)
{
return(false);
}
StartSubsystem <XRInputSubsystem>();
if (!inputSubsystem?.running ?? false)
{
return(false);
}
OpenXRFeature.ReceiveLoaderEvent(this, OpenXRFeature.LoaderEvent.SubsystemStart);
return(true);
}
/// <summary>
/// See [XRLoader.DeInitialize](xref:UnityEngine.XR.Management.XRLoader.Stop)
/// </summary>
/// <returns>True if deinitialized, false otherwise.</returns>
public override bool Deinitialize()
{
if (currentLoaderState == LoaderState.Uninitialized)
{
return(true);
}
if (!validLoaderDeinitStates.Contains(currentLoaderState))
{
return(false);
}
currentLoaderState = LoaderState.DeinitializeAttempted;
try
{
#if TEST_SUPPORT
if (ShouldExitEarly())
{
return(false);
}
// The test hook above will leave the loader in a half initialized state. To work
// around this we reset the instance pointer if it is missing.
if (Instance == null)
{
Instance = this;
}
#endif
Application.onBeforeRender -= ProcessOpenXRMessageLoop;
ProcessOpenXRMessageLoop(); // Drain any remaining events.
OpenXRFeature.ReceiveLoaderEvent(this, OpenXRFeature.LoaderEvent.SubsystemDestroy);
DestroySubsystem <XRInputSubsystem>();
DestroySubsystem <XRDisplaySubsystem>();
DiagnosticReport.DumpReport("System Shutdown");
Internal_DestroySession();
ProcessOpenXRMessageLoop();
Internal_UnloadOpenXRLibrary();
currentLoaderState = LoaderState.Uninitialized;
if (unhandledExceptionHandler != null)
{
AppDomain currentDomain = AppDomain.CurrentDomain;
currentDomain.UnhandledException -= unhandledExceptionHandler;
unhandledExceptionHandler = null;
}
return(base.Deinitialize());
}
finally
{
// Ensure we always clear the instance reference even if some part of Deinitialize threw an exception
Instance = null;
}
}
private bool InitializeInternal()
{
Instance = this;
currentLoaderState = LoaderState.InitializeAttempted;
#if TEST_SUPPORT
if (ShouldExitEarly())
{
return(false);
}
#endif
#if UNITY_EDITOR
if (!DisableValidationChecksOnEnteringPlaymode)
{
if (OpenXRProjectValidation.LogPlaymodeValidationIssues())
{
return(false);
}
}
#endif
OpenXRFeature.Initialize();
if (!LoadOpenXRSymbols())
{
Debug.LogError("Failed to load openxr runtime loader.");
return(false);
}
// Sort the features array by priority in descending order (highest priority first)
OpenXRSettings.Instance.features = OpenXRSettings.Instance.features
.Where(f => f != null)
.OrderByDescending(f => f.priority)
.ThenBy(f => f.nameUi)
.ToArray();
OpenXRFeature.HookGetInstanceProcAddr();
if (!Internal_InitializeSession())
{
return(false);
}
SetApplicationInfo();
RequestOpenXRFeatures();
RegisterOpenXRCallbacks();
if (null != OpenXRSettings.Instance)
{
OpenXRSettings.Instance.ApplySettings();
}
if (!CreateSubsystems())
{
return(false);
}
if (OpenXRFeature.requiredFeatureFailed)
{
return(false);
}
OpenXRAnalytics.SendInitializeEvent(true);
OpenXRFeature.ReceiveLoaderEvent(this, OpenXRFeature.LoaderEvent.SubsystemCreate);
OpenXRInput.Initialize();
DebugLogEnabledSpecExtensions();
Application.onBeforeRender += ProcessOpenXRMessageLoop;
currentLoaderState = LoaderState.Initialized;
return(true);
}