internal void CullForRayTracing(CommandBuffer cmd, HDCamera hdCamera)
 {
     if (m_ValidRayTracingState && RayTracingLightClusterRequired(hdCamera))
     {
         m_RayTracingLightCluster.CullForRayTracing(hdCamera, m_RayTracingLights);
         m_ValidRayTracingClusterCulling = true;
     }
 }