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      1 /*
      2  * Copyright (c) 2009-2010 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     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  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     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
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 package jme3test.stress;
     34 
     35 import com.jme3.app.SimpleApplication;
     36 import com.jme3.material.Material;
     37 import com.jme3.math.Vector3f;
     38 import com.jme3.scene.Geometry;
     39 import com.jme3.scene.Mesh;
     40 import com.jme3.scene.Node;
     41 import com.jme3.scene.Spatial.CullHint;
     42 import com.jme3.scene.shape.Sphere;
     43 import com.jme3.util.NativeObjectManager;
     44 import java.util.logging.Level;
     45 import 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  */
     52 public 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