1/*
2 * Copyright (c) 2009-2010 jMonkeyEngine
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
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10 *   notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 *   notice, this list of conditions and the following disclaimer in the
14 *   documentation and/or other materials provided with the distribution.
15 *
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17 *   may be used to endorse or promote products derived from this software
18 *   without specific prior written permission.
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20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33package jme3test.stress;
34
35import com.jme3.app.SimpleApplication;
36import com.jme3.material.Material;
37import com.jme3.math.Vector3f;
38import com.jme3.scene.Geometry;
39import com.jme3.scene.Mesh;
40import com.jme3.scene.Node;
41import com.jme3.scene.Spatial.CullHint;
42import com.jme3.scene.shape.Sphere;
43import com.jme3.util.NativeObjectManager;
44import java.util.logging.Level;
45import java.util.logging.Logger;
46
47/**
48 * Generates 400 new meshes every frame then leaks them.
49 * Notice how memory usage stays constant and OpenGL objects
50 * are properly destroyed.
51 */
52public class TestLeakingGL extends SimpleApplication {
53
54    private Material solidColor;
55    private Sphere original;
56
57    public static void main(String[] args){
58        TestLeakingGL app = new TestLeakingGL();
59        app.start();
60    }
61
62    public void simpleInitApp() {
63        original = new Sphere(4, 4, 1);
64        original.setStatic();
65        original.setInterleaved();
66
67        // this will make sure all spheres are rendered always
68        rootNode.setCullHint(CullHint.Never);
69        solidColor = assetManager.loadMaterial("Common/Materials/RedColor.j3m");
70        cam.setLocation(new Vector3f(0, 5, 0));
71        cam.lookAt(Vector3f.ZERO, Vector3f.UNIT_Y);
72
73        Logger.getLogger(Node.class.getName()).setLevel(Level.WARNING);
74        Logger.getLogger(NativeObjectManager.class.getName()).setLevel(Level.WARNING);
75    }
76
77    @Override
78    public void simpleUpdate(float tpf){
79        rootNode.detachAllChildren();
80        for (int y = -15; y < 15; y++){
81            for (int x = -15; x < 15; x++){
82                Mesh sphMesh = original.deepClone();
83                Geometry sphere = new Geometry("sphere", sphMesh);
84
85                sphere.setMaterial(solidColor);
86                sphere.setLocalTranslation(x * 1.5f, 0, y * 1.5f);
87                rootNode.attachChild(sphere);
88            }
89        }
90    }
91}
92