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/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.test.junit.jogl.offscreen;
import javax.media.opengl.*;
public class ReadBufferBase implements GLEventListener {
public boolean glDebug = false ;
public boolean glTrace = false ;
protected GLDrawable externalRead;
ReadBufferUtil readBufferUtil = new ReadBufferUtil();
public ReadBufferBase (GLDrawable externalRead) {
this.externalRead = externalRead ;
}
public void init(GLAutoDrawable drawable) {
GL _gl = drawable.getGL();
_gl.glGetError(); // flush error ..
if(glDebug) {
try {
_gl = _gl.getContext().setGL( GLPipelineFactory.create("javax.media.opengl.Debug", null, _gl, null) );
} catch (Exception e) {
throw new RuntimeException("can not set debug pipeline", e);
}
}
if(glTrace) {
try {
_gl = _gl.getContext().setGL( GLPipelineFactory.create("javax.media.opengl.Trace", null, _gl, new Object[] { System.err } ) );
} catch (Exception e) {
throw new RuntimeException("can not set trace pipeline", e);
}
}
System.out.println(_gl);
_gl.getContext().setGLReadDrawable(externalRead);
if(_gl.isGL2GL3()) {
_gl.getGL2GL3().glReadBuffer(GL2GL3.GL_FRONT);
}
System.out.println("---------------------------");
System.out.println(_gl.getContext());
System.out.println("---------------------------");
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
}
public void dispose(GLAutoDrawable drawable) {
readBufferUtil.dispose();
}
public void display(GLAutoDrawable drawable) {
GL gl = drawable.getGL();
readBufferUtil.fetchOffscreenTexture(drawable, gl);
}
}
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