*/
PerformanceMonitor.startActivity("Render Light Geometry");
DefaultRenderingProcess.getInstance().beginRenderLightGeometryStencilPass();
Material program = Assets.getMaterial("engine:prog.simple");
program.enable();
program.setCamera(camera);
EntityManager entityManager = CoreRegistry.get(EntityManager.class);
for (EntityRef entity : entityManager.getEntitiesWith(LightComponent.class, LocationComponent.class)) {
LocationComponent locationComponent = entity.getComponent(LocationComponent.class);
LightComponent lightComponent = entity.getComponent(LightComponent.class);