Attachment 492 Details for Bug 776 – Example sharing contexts and using the same VBO from different GLCanvases

Example sharing contexts and using the same VBO from different GLCanvases

JOGLTabbedPaneUsage.java (text/x-java-source), 4.68 KB, created by Sven Gothel on 2013-07-11 04:40:12 CEST

(hide)

Description:

Filename:

MIME Type:

Creator: Sven Gothel

Created: 2013-07-11 04:40:12 CEST

Size: 4.68 KB

patch

obsolete

>/*
> * Copyright (C) 2013 United States Government as represented by the Administrator of the
> * National Aeronautics and Space Administration.
> * All Rights Reserved.
> */
>
>package gov.nasa.worldwindx.examples.multiwindow;
>
>import com.jogamp.common.nio.Buffers;
>
>import javax.media.opengl.*;
>import javax.media.opengl.awt.GLCanvas;
>import javax.swing.*;
>import java.awt.*;
>import java.nio.FloatBuffer;
>
>/**
> * @author tag
> * @version $Id$
> */
>public class JOGLTabbedPaneUsage extends JFrame
>{
>    int[] bufferId;
>
>    private class WWPanel extends JPanel implements GLEventListener
>    {
>        GLCanvas canvas;
>
>        public WWPanel(GLCanvas shareWith, int width, int height)
>        {
>            canvas = shareWith != null ? new GLCanvas(getCaps(), shareWith.getContext()) : new GLCanvas();
>            canvas.setSize(new java.awt.Dimension(width, height));
>
>            setLayout(new BorderLayout(5, 5));
>            add(canvas, BorderLayout.CENTER);
>            setOpaque(false);
>
>            canvas.setAutoSwapBufferMode(false);
>            canvas.addGLEventListener(this);
>        }
>
>        @Override
>        public void init(GLAutoDrawable glAutoDrawable)
>        {
>//            glAutoDrawable.setGL(new DebugGL2(glAutoDrawable.getGL().getGL2()));
>        }
>
>        @Override
>        public void dispose(GLAutoDrawable glAutoDrawable)
>        {
>        }
>
>        @Override
>        public void display(GLAutoDrawable glAutoDrawable)
>        {
>            if (bufferId == null)
>                makeVBO(glAutoDrawable);
>
>            drawFrame(glAutoDrawable);
>            glAutoDrawable.swapBuffers();
>        }
>
>        @Override
>        public void reshape(GLAutoDrawable glAutoDrawable, int i, int i1, int i2, int i3)
>        {
>            int w = getWidth();
>            int h = getHeight();
>
>            GL2 gl = glAutoDrawable.getGL().getGL2();
>
>            gl.glViewport(0, 0, w, h);
>            gl.glMatrixMode(GL2.GL_PROJECTION);
>            gl.glLoadIdentity();
>            gl.glOrtho(0, 1, 0, 1, -1, 1);
>            gl.glMatrixMode(GL2.GL_MODELVIEW);
>            gl.glLoadIdentity();
>
>            gl.glClearColor(0, 0, 0, 1);
>            gl.glShadeModel(GL2.GL_FLAT);
>        }
>
>        protected void drawFrame(GLAutoDrawable drawable)
>        {
>            GL2 gl = drawable.getGL().getGL2();
>
>            gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
>
>            gl.glColor3f(1, 1, 1);
>
>            gl.glEnableClientState(GL2.GL_VERTEX_ARRAY);
>            gl.glVertexPointer(3, GL2.GL_FLOAT, 0, 0);
>            gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, bufferId[0]);
>            gl.glDrawArrays(GL2.GL_LINES, 0, 2);
>
>            gl.glFlush();
>        }
>    }
>
>    protected void makeVBO(GLAutoDrawable drawable)
>    {
>        GL2 gl = drawable.getGL().getGL2();
>
>        bufferId = new int[1];
>        gl.glGenBuffers(1, bufferId, 0);
>        gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, bufferId[0]);
>
>        FloatBuffer vertices = Buffers.newDirectFloatBuffer(6);
>        vertices.put(0).put(0).put(0);
>        vertices.put(1).put(1).put(0);
>        gl.glBufferData(GL2.GL_ARRAY_BUFFER, vertices.capacity() * 4, vertices.rewind(), GL2.GL_STATIC_DRAW);
>    }
>
>    public JOGLTabbedPaneUsage()
>    {
>        try
>        {
>            // Create the application frame and the tabbed pane and add the pane to the frame.
>            JTabbedPane tabbedPanel = new JTabbedPane();
>            this.add(tabbedPanel, BorderLayout.CENTER);
>
>            // Create two World Windows that share resources.
>            WWPanel wwpA = new WWPanel(null, 600, 600);
>            WWPanel wwpB = new WWPanel(wwpA.canvas, wwpA.getWidth(), wwpA.getHeight());
>
>            tabbedPanel.add(wwpA, "Window A");
>            tabbedPanel.add(wwpB, "Window B");
>
>            // Add the card panel to the frame.
>            this.add(tabbedPanel, BorderLayout.CENTER);
>
>            // Position and display the frame.
>            setTitle("Multi-Window Tabbed Pane");
>            setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
>            pack();
>            setResizable(true);
>            setVisible(true);
>        }
>        catch (Exception e)
>        {
>            e.printStackTrace();
>        }
>    }
>
>    protected static GLCapabilities getCaps()
>    {
>        GLCapabilities caps = new GLCapabilities(GLProfile.getMaxFixedFunc(true));
>
>        caps.setAlphaBits(8);
>        caps.setRedBits(8);
>        caps.setGreenBits(8);
>        caps.setBlueBits(8);
>        caps.setDepthBits(24);
>        caps.setDoubleBuffered(true);
>
>        return caps;
>    }
>
>    public static void main(String[] args)
>    {
>        SwingUtilities.invokeLater(new Runnable()
>        {
>            public void run()
>            {
>                new JOGLTabbedPaneUsage();
>            }
>        });
>    }
>}

Actions: View

Attachments on bug 776: 492 | 525 | 526 | 527 | 528