Attachment 276961 Details for Bug 542915 – Bug reproducer

Bug reproducer

OpenGLTest.java (text/x-java), 1.82 KB, created by Charles Huet

on 2018-12-19 09:17:52 EST

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Filename:

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Creator: Charles Huet

Created: 2018-12-19 09:17:52 EST

Size: 1.82 KB

patch

obsolete

>import static com.jogamp.opengl.GL2ES3.GL_COLOR;
>import static com.jogamp.opengl.GL2ES3.GL_DEPTH;
>
>import java.nio.FloatBuffer;
>
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>
>import com.jogamp.opengl.GL4;
>import com.jogamp.opengl.GLAutoDrawable;
>import com.jogamp.opengl.GLEventListener;
>import com.jogamp.opengl.swt.GLCanvas;
>import com.jogamp.opengl.util.GLBuffers;
>
>public class OpenGLTest extends GLCanvas implements GLEventListener
>{
>
>  public static void main(String[] args)
>  {
>    final Display display = new Display();
>    final Shell shell = new Shell(display, SWT.RESIZE | SWT.MAX | SWT.CLOSE);
>    shell.setSize(700, 600);
>    shell.setText("Simple SWT viewer");
>    shell.setLayout(new FillLayout(SWT.VERTICAL));
>
>    new OpenGLTest(shell, SWT.NONE);
>
>    shell.open();
>    while ( !shell.isDisposed() )
>    {
>      if ( !display.readAndDispatch() )
>        display.sleep();
>    }
>    display.dispose();
>  }
>
>  private OpenGLTest(final Composite parent, final int style)
>  {
>    super(parent, SWT.NO_MERGE_PAINTS, null, null);
>    addGLEventListener(this);
>  }
>
>  @Override
>  public void init(GLAutoDrawable drawable)
>  {}
>
>  @Override
>  public void dispose(GLAutoDrawable drawable)
>  {}
>
>  @Override
>  public void display(GLAutoDrawable drawable)
>  {
>    GL4 gl = drawable.getGL().getGL4();
>
>    FloatBuffer clearColor = GLBuffers.newDirectFloatBuffer(4);
>    FloatBuffer clearDepth = GLBuffers.newDirectFloatBuffer(1);
>
>    gl.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1f).put(1, .5f).put(2, 0f).put(3, 1f));
>    gl.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0, 1f));
>
>    // redraw();
>  }
>
>  @Override
>  public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height)
>  {
>
>  }
>}

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Attachments on bug 542915: 276961