JOGL v2.6.0-rc-20250706
JOGL, High-Performance Graphics Binding for Java™ (public API).
Bug848AppletGLCanvas01.java
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28package com.jogamp.opengl.test.junit.jogl.demos.es2.awt;
29
30import java.applet.Applet;
31import java.util.ArrayList;
32import java.util.List;
33
34import com.jogamp.opengl.GLAnimatorControl;
35import com.jogamp.opengl.awt.GLCanvas;
36import javax.swing.BoxLayout;
37
38import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
39import com.jogamp.opengl.util.Animator;
40
41/**
42 * Bug 848: Applet on OSX w/ CALayer and 2 or more GLCanvas may 'crash'.
43 * <p>
44 * Test uses 2x3 GLCanvas in a box layout within the Applet.
45 * </p>
46 */
47@SuppressWarnings("serial")
48public class Bug848AppletGLCanvas01 extends Applet {
49 private final List<GLAnimatorControl> animators = new ArrayList<GLAnimatorControl>(2);
50
51 @Override
52 public void init() {
53 System.err.println("GearsApplet: init() - begin [visible "+isVisible()+", displayable "+isDisplayable()+"] - "+currentThreadName());
54 new BoxLayout(this, BoxLayout.X_AXIS);
55 setSize(1024, 664);
56 add(createCanvas(0));
57 add(createCanvas(0));
58 add(createCanvas(0));
59 add(createCanvas(0));
60 add(createCanvas(0));
61 add(createCanvas(1));
62 System.err.println("GearsApplet: init() - end [visible "+isVisible()+", displayable "+isDisplayable()+"] - "+currentThreadName());
63 }
64
65 private GLCanvas createCanvas(final int vsyncI) {
66 final GLCanvas canvas = new GLCanvas();
67 canvas.addGLEventListener(new GearsES2(vsyncI));
68 canvas.setSize(300, 300);
69 animators.add(new Animator(canvas));
70 return canvas;
71 }
72
73 String currentThreadName() {
74 return Thread.currentThread().getName();
75 }
76
77 @Override
78 public void start() {
79 System.err.println("GearsApplet: start() - begin [visible "+isVisible()+", displayable "+isDisplayable()+"] - "+currentThreadName());
80 for (final GLAnimatorControl control : animators) {
81 control.start();
82 control.setUpdateFPSFrames(60, System.err);
83 }
84 System.err.println("GearsApplet: start() - end [visible "+isVisible()+", displayable "+isDisplayable()+"] - "+currentThreadName());
85 }
86
87 @Override
88 public void stop() {
89 System.err.println("GearsApplet: stop() - [visible "+isVisible()+", displayable "+isDisplayable()+"] - "+currentThreadName());
90 for (final GLAnimatorControl control : animators) {
91 control.stop();
92 }
93 }
94}
A heavyweight AWT component which provides OpenGL rendering support.
Definition: GLCanvas.java:170
void addGLEventListener(final GLEventListener listener)
Adds the given listener to the end of this drawable queue.
Definition: GLCanvas.java:1065
Bug 848: Applet on OSX w/ CALayer and 2 or more GLCanvas may 'crash'.
An animator control interface, which implementation may drive a com.jogamp.opengl....
void setSize(int width, int height)
Requests a new width and height for this AWTGLAutoDrawable.