diff --git a/jme3-examples/src/main/java/jme3test/light/pbr/RefEnv.java b/jme3-examples/src/main/java/jme3test/light/pbr/RefEnv.java
new file mode 100644
index 000000000..b58f6e509
--- /dev/null
+++ b/jme3-examples/src/main/java/jme3test/light/pbr/RefEnv.java
@@ -0,0 +1,119 @@
+package jme3test.light.pbr;
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.bounding.BoundingSphere;
+import com.jme3.environment.EnvironmentCamera;
+import com.jme3.environment.LightProbeFactory;
+import com.jme3.environment.generation.JobProgressAdapter;
+import com.jme3.environment.util.EnvMapUtils;
+import com.jme3.input.KeyInput;
+import com.jme3.input.controls.ActionListener;
+import com.jme3.input.controls.KeyTrigger;
+import com.jme3.light.LightProbe;
+import com.jme3.material.Material;
+import com.jme3.math.ColorRGBA;
+import com.jme3.math.Quaternion;
+import com.jme3.math.Vector3f;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import com.jme3.util.MaterialDebugAppState;
+
+/**
+ * test
+ *
+ * @author nehon
+ */
+public class RefEnv extends SimpleApplication {
+
+    private Node tex;
+
+    public static void main(String[] args) {
+        System.err.println(Math.min(1, 8192));
+        System.err.println(Math.min(1 << (6), 8192));
+        System.err.println(Math.min(1 << (8), 8192));
+        System.err.println(Math.min(1 << (10), 8192));
+        System.err.println(Math.min(1 << (12), 8192));
+        System.err.println(Math.min(1 << (14), 8192));
+        RefEnv app = new RefEnv();
+        app.start();
+    }
+
+    @Override
+    public void simpleInitApp() {
+
+        cam.setLocation(new Vector3f(-3.0286736f, 2.8702848f, 5.153083f));
+        cam.setRotation(new Quaternion(0.06595449f, 0.9340066f, -0.24384351f, 0.2526304f));
+        Spatial sc = assetManager.loadModel("Scenes/PBR/spheres.j3o");
+        rootNode.attachChild(sc);
+        rootNode.getChild("Scene").setCullHint(Spatial.CullHint.Always);
+
+        stateManager.attach(new EnvironmentCamera());
+
+        inputManager.addMapping("tex", new KeyTrigger(KeyInput.KEY_SPACE));
+        inputManager.addMapping("switch", new KeyTrigger(KeyInput.KEY_RETURN));
+        inputManager.addListener(new ActionListener() {
+
+            @Override
+            public void onAction(String name, boolean isPressed, float tpf) {
+                if (name.equals("tex") && isPressed) {
+                    if (tex == null) {
+                        return;
+                    }
+                    if (tex.getParent() == null) {
+                        guiNode.attachChild(tex);
+                    } else {
+                        tex.removeFromParent();
+                    }
+                }
+
+                if (name.equals("switch") && isPressed) {
+                    switchMat(rootNode.getChild("Scene"));
+                }
+            }
+        }, "tex", "switch");
+
+    }
+
+    private void switchMat(Spatial s) {
+        if (s instanceof Node) {
+            Node n = (Node) s;
+            for (Spatial children : n.getChildren()) {
+                switchMat(children);
+            }
+        } else if (s instanceof Geometry) {
+            Geometry g = (Geometry) s;
+            Material mat = g.getMaterial();
+            if (((Float) mat.getParam("Metallic").getValue()) == 1f) {
+                mat.setFloat("Metallic", 0);
+                mat.setColor("BaseColor", ColorRGBA.Black);
+            } else {
+                mat.setFloat("Metallic", 1);
+                mat.setColor("BaseColor", ColorRGBA.White);
+            }
+        }
+    }
+
+    private int frame = 0;
+
+    @Override
+    public void simpleUpdate(float tpf) {
+        frame++;
+
+        if (frame == 2) {
+            final LightProbe probe = LightProbeFactory.makeProbe(stateManager.getState(EnvironmentCamera.class), rootNode, new JobProgressAdapter<LightProbe>() {
+
+                @Override
+                public void done(LightProbe result) {
+                    System.err.println("Done rendering env maps");
+                    tex = EnvMapUtils.getCubeMapCrossDebugViewWithMipMaps(result.getPrefilteredEnvMap(), assetManager);
+                  //  guiNode.attachChild(tex);
+                    rootNode.getChild("Scene").setCullHint(Spatial.CullHint.Dynamic);
+                }
+            });
+            ((BoundingSphere) probe.getBounds()).setRadius(100);
+            rootNode.addLight(probe);
+
+        }
+    }
+}
diff --git a/jme3-testdata/src/main/resources/Scenes/PBR/spheres.j3o b/jme3-testdata/src/main/resources/Scenes/PBR/spheres.j3o
new file mode 100644
index 000000000..0ad11e36c
Binary files /dev/null and b/jme3-testdata/src/main/resources/Scenes/PBR/spheres.j3o differ