Put stereo render loop inside ryzom client main loop, see #43

--HG--
branch : multipass-stereo

code/nel/src/3d/stereo_ovr.cpp

@@ -438,8 +438,17 @@ void CStereoOVR::getCurrentMatrix(uint cid, NL3D::UCamera *camera) const
 	CMatrix translate;
 	if (m_Stage % 2) translate.translate(CVector((m_DevicePtr->HMDInfo.InterpupillaryDistance * m_Scale) * -0.5f, 0.f, 0.f));
 	else translate.translate(CVector((m_DevicePtr->HMDInfo.InterpupillaryDistance * m_Scale) * 0.5f, 0.f, 0.f));
-	camera->setTransformMode(NL3D::UTransformable::DirectMatrix);
-	camera->setMatrix(m_CameraMatrix[cid] * translate);
+	CMatrix mat = m_CameraMatrix[cid] * translate;
+	if (camera->getTransformMode() == NL3D::UTransformable::RotQuat)
+	{
+		camera->setPos(mat.getPos());
+		camera->setRotQuat(mat.getRot());
+	}
+	else
+	{
+		// camera->setTransformMode(NL3D::UTransformable::DirectMatrix);
+		camera->setMatrix(mat);
+	}
 }
 
 bool CStereoOVR::wantClear()