Do not update visibility for cached lights

source/light/LightSystem.cpp

@@ -584,7 +584,7 @@ void XMETHODCALLTYPE CLightSystem::updateVisibility()
 
 	for(UINT i = 0, l = m_aLights.size(); i < l; ++i)
 	{
-		if(m_aLights[i]->isEnabled())
+		if(m_aLights[i]->isEnabled() && m_aLights[i]->isDirty(LRT_ALL))
 		{
 			m_aLights[i]->updateVisibility(m_pMainCamera, vLPVmin, vLPVmax, iCascades > 0);
 		}

source/light/ShadowCache.h

@@ -205,6 +205,10 @@ protected:
 			{
 				m_aMapsQueue[uMap]->isDirty = true;
 				m_aMapsQueue[uMap]->shouldProcess = true;
+				if(m_aMapsQueue[uMap]->pLight)
+				{
+					m_aMapsQueue[uMap]->pLight->markDirty(m_renderType);
+				}
 				m_aMapsQueue[uMap]->pLight = m_aFrameLights[i];
 				m_aFrameLights.erase(i);
 				return(true);

source/light/light.h

@@ -81,6 +81,10 @@ public:
 	{
 		m_dirty &= ~type;
 	}
+	void markDirty(LIGHT_RENDER_TYPE type)
+	{
+		m_dirty |= type;
+	}
 
 protected:
 	virtual SMMATRIX getWorldTM();