static public bool BeginSession(IntPtr sessionHandle)
{
if (SRDProjectSettings.IsRunWithoutSRDisplayMode())
{
return(true);
}
if (sessionHandle == IntPtr.Zero)
{
return(false);
}
SrdXrResult xrResult = SRDCorePlugin.BeginSession(sessionHandle);
if (xrResult == SrdXrResult.SUCCESS)
{
SRDCorePlugin.SetGraphicsAPI(sessionHandle, SystemInfo.graphicsDeviceType);
SRDCorePlugin.SetColorSpaceSettings(sessionHandle, QualitySettings.desiredColorSpace);
return(true);
}
var errorToMessage = new Dictionary <SrdXrResult, string>()
{
{ SrdXrResult.ERROR_USB_NOT_CONNECTED, SRDHelper.SRDMessages.DeviceConnectionError },
{ SrdXrResult.ERROR_DEVICE_NOT_FOUND, SRDHelper.SRDMessages.DeviceNotFoundError },
{ SrdXrResult.ERROR_SESSION_RUNNING, SRDHelper.SRDMessages.AppConflictionError },
{ SrdXrResult.ERROR_USB_3_NOT_CONNECTED, SRDHelper.SRDMessages.USB3ConnectionError },
};
var msg = errorToMessage.ContainsKey(xrResult) ? errorToMessage[xrResult] : string.Format("Fail to begin seesion {0}", xrResult);
SRDHelper.PopupMessageAndForceToTerminate(msg);
return(false);
}
static public bool CreateSession(out IntPtr sessionHandle)
{
SRDCorePlugin.ShowNativeLog();
if (SRDProjectSettings.IsRunWithoutSRDisplayMode())
{
sessionHandle = IntPtr.Zero;
return(true);
}
SrdXrResult xrResult = SRDCorePlugin.CreateSession(out sessionHandle);
if (xrResult == SrdXrResult.SUCCESS)
{
return(true);
}
var errorToMessage = new Dictionary <SrdXrResult, string>()
{
{ SrdXrResult.ERROR_DISPLAY_NOT_FOUND, SRDHelper.SRDMessages.DisplayConnectionError },
{ SrdXrResult.ERROR_FORM_FACTOR_UNAVAILABLE, SRDHelper.SRDMessages.DisplayConnectionError },
{ SrdXrResult.ERROR_RUNTIME_NOT_FOUND, SRDHelper.SRDMessages.DLLNotFoundError },
};
// Should be set all possible message to the dict
var msg = errorToMessage.ContainsKey(xrResult) ? errorToMessage[xrResult] : string.Format("Fail to create seesion {0}", xrResult);
SRDHelper.PopupMessageAndForceToTerminate(msg);
if (DestroySession(sessionHandle))
{
sessionHandle = IntPtr.Zero;
}
return(false);
}
public MouseBasedFaceTracker()
{
_facePose = SRDFaceTracker.CreateDefaultFacePose();
_focus = Utils.SRDSettings.DeviceInfo.BodyBounds.Center;
var dispCenterPose = new Pose(Utils.SRDSettings.DeviceInfo.BodyBounds.Center, Quaternion.Euler(-45f, 180f, 0f));
_posTrackCoordTdispCenerCoord = SRDHelper.PoseToMatrix(dispCenterPose);
_dispCenerCoordTposTrackCoord = SRDHelper.PoseToMatrix(SRDHelper.InvPose(dispCenterPose));
}
/// <summary>
/// Transform a point from screen space that Unity provides into actual Spatial Reality Display screen space.
/// The inverse transform of <see cref="SRDCameras.SRDScreenToScreen">
/// </summary>
/// <param name="positionInScreen">Position in screen space to get from Unity API. For example, <a href="https://docs.unity3d.com/ScriptReference/Input-mousePosition.html">Input.mousePosition</a></param>
/// <returns>A position in Spatial Reality Display screen space</returns>
public Vector2 ScreenToSRDScreen(Vector2 positionInScreen)
{
var h = SRDHelper.CalcHomographyMatrix(_srdManager.DisplayEdges.LeftUp.position,
_srdManager.DisplayEdges.LeftBottom.position,
_srdManager.DisplayEdges.RightBottom.position,
_srdManager.DisplayEdges.RightUp.position,
_watcherCamera);
var x = positionInScreen.x / Screen.width;
var y = positionInScreen.y / Screen.height;
var w = h[6] * x + h[7] * y + h[8];
return(new Vector2(Screen.width * (h[0] * x + h[1] * y + h[2]) / w,
Screen.height * (h[3] * x + h[4] * y + h[5]) / w));
}
private SRDSessionHandler()
{
var isLinked = SRDCorePlugin.LinkXrLibraryWin64();
if (!isLinked && _isLibraryLinked)
{
SRDHelper.PopupMessageAndForceToTerminate(SRDHelper.SRDMessages.DLLNotFoundError);
_isLibraryLinked = false;
return;
}
_isLibraryLinked = isLinked;
_prevState = SrdXrSessionState.SESSION_STATE_MAX_ENUM;
_srdSubsystems = new List <ISRDSubsystem>();
}
public void PollEvent()
{
SrdXrEventDataBuffer data;
while (SRDCorePlugin.PollEvent(_sessionHandle, out data) == SrdXrResult.SUCCESS)
{
if ((_prevState == SrdXrSessionState.SESSION_STATE_MAX_ENUM) || (data.state != _prevState))
{
if (OnSessionStateChangedEvent != null)
{
OnSessionStateChangedEvent.Invoke(_prevState, data.state);
}
_prevState = data.state;
}
if (data.state == SrdXrSessionState.SESSION_STATE_LOSS_PENDING)
{
SrdXrDeviceState device_state;
var result = SRDCorePlugin.GetDeviceState(_sessionHandle, out device_state);
var msg = "";
if (result != SrdXrResult.SUCCESS)
{
msg = string.Format("Fail to get DeviceInfo: {0}", result);
}
else
{
if (device_state.connection_state == SrdXrDeviceConnectionState.DEVICE_NOT_CONNECTED)
{
msg += SRDHelper.SRDMessages.DeviceInterruptionError + " ";
}
if (device_state.power_state == SrdXrDevicePowerState.DEVICE_POWER_OFF)
{
msg += SRDHelper.SRDMessages.DeviceNotFoundError;
}
}
SRDHelper.PopupMessageAndForceToTerminate(msg);
}
}
}
private void SetupCameraUpdateCallback(EyeType type)
{
var eyeCamera = _eyeCamera[type];
var eyeTransform = _eyeTransform[type];
var homographyMaterial = _eyeCamMaterial[type];
Action <Camera> updateState = (camera) =>
{
_faceTracker.GetCurrentFacePose(out _currentFacePose);
var eyePose = _currentFacePose.GetEyePose(type);
eyeTransform.SetPositionAndRotation(eyePose.position, eyePose.rotation);
_faceTracker.GetCurrentProjMatrices(eyeCamera.nearClipPlane, eyeCamera.farClipPlane,
out _currentProjMatrices);
var projMat = _currentProjMatrices.GetProjectionMatrix(type);
if (!SRDHelper.HasNanOrInf(projMat))
{
eyeCamera.ResetProjectionMatrix();
eyeCamera.fieldOfView = CalcVerticalFoVFromProjectionMatrix(projMat);
eyeCamera.aspect = CalcAspectWperHFromProjectionMatrix(projMat);
eyeCamera.projectionMatrix = projMat;
if (_isBoxFrontClippingCache)
{
var nearClipPlaneTF = _srdManager.DisplayEdges.LeftBottom;
eyeCamera.projectionMatrix = CalcObliquedNearClipProjectionMatrix(eyeCamera, nearClipPlaneTF.forward,
nearClipPlaneTF.position + nearClipPlaneTF.forward * ObliquedNearClipOffset * nearClipPlaneTF.lossyScale.x);
}
}
var homographyMat = SRDHelper.CalcHomographyMatrix(_srdManager.DisplayEdges.LeftUp.position, _srdManager.DisplayEdges.LeftBottom.position,
_srdManager.DisplayEdges.RightBottom.position, _srdManager.DisplayEdges.RightUp.position,
eyeCamera);
var invHomographyMat = SRDHelper.CalcInverseMatrix3x3(homographyMat);
homographyMaterial.SetFloatArray("_Homography", invHomographyMat);
homographyMaterial.SetFloatArray("_InvHomography", homographyMat);
};
if (_isSRPUsed)
{
#if SRP_AVAILABLE
SRPCallbackFunc srpCallback = (context, camera) =>
{
if (camera.name != eyeCamera.name)
{
return;
}
updateState(camera);
};
_eyeCamSRPPreCallback[type] = srpCallback;
RenderPipelineManager.beginCameraRendering += _eyeCamSRPPreCallback[type];
#endif
}
else
{
Camera.CameraCallback cameraStateUpdate = (camera) =>
{
if (camera.name != eyeCamera.name)
{
return;
}
updateState(camera);
};
_eyeCamStateUpdateCallback[type] = cameraStateUpdate;
// This Should be onPreCull for correct frustum culling, however onPreCull is fired before vblank sometimes.
// That's why onPreRender is used to make the latency shorter as possible
Camera.onPreRender += _eyeCamStateUpdateCallback[type];
}
}
