RenderTarget.java

/**
 * Copyright (c) 2003-2009, Xith3D Project Group all rights reserved.
 * 
 * Portions based on the Java3D interface, Copyright by Sun Microsystems.
 * Many thanks to the developers of Java3D and Sun Microsystems for their
 * innovation and design.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * 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.
 * 
 * Neither the name of the 'Xith3D Project Group' nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */
package org.xith3d.render;

import org.xith3d.scenegraph.GroupNode;

/**
 * A RenderTarget can be used on RenderPass level to make the Renderer render
 * to something different than the standard frame buffer.
 * 
 * @author Marvin Froehlich (aka Qudus)
 */
public interface RenderTarget
{
    /**
     * @return the GroupNode to be rendered to this target.
     */
    public GroupNode getGroup();
    
    /**
     * If this is true, the background is rendered into the RenderTarget.
     * 
     * @param enabled
     */
    public void setBackgroundRenderingEnabled( boolean enabled );
    
    /**
     * If this is true, the background is rendered into the RenderTarget.
     */
    public boolean isBackgroundRenderingEnabled();
    
    /**
     * This method frees OpenGL resources (names) for all Nodes in the traversal
     * of this Node(-Group).
     * 
     * @param canvasPeer
     */
    public void freeOpenGLResources( CanvasPeer canvasPeer );
    
    /**
     * This method frees OpenGL resources (names) for all Nodes in the traversal
     * of this Node(-Group).
     * 
     * @param canvas
     */
    public void freeOpenGLResources( Canvas3D canvas );
}