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/*
* Copyright (c) 2009-2010 jMonkeyEngine
* All rights reserved.
*
* 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 'jMonkeyEngine' 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 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.
*/
package com.jme3.post;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import com.jme3.renderer.queue.RenderQueue;
import com.jme3.texture.FrameBuffer;
/**
* Scene processors are used to compute/render things before and after the classic render of the scene.
* They have to be added to a viewport and are rendered in the order they've been added
*
* @author Kirill Vainer
*/
public interface SceneProcessor {
/**
* Called in the render thread to initialize the scene processor.
*
* @param rm The render manager to which the SP was added to
* @param vp The viewport to which the SP is assigned
*/
public void initialize(RenderManager rm, ViewPort vp);
/**
* Called when the resolution of the viewport has been changed.
* @param vp
*/
public void reshape(ViewPort vp, int w, int h);
/**
* @return True if initialize() has been called on this SceneProcessor,
* false if otherwise.
*/
public boolean isInitialized();
/**
* Called before a frame
*
* @param tpf Time per frame
*/
public void preFrame(float tpf);
/**
* Called after the scene graph has been queued, but before it is flushed.
*
* @param rq The render queue
*/
public void postQueue(RenderQueue rq);
/**
* Called after a frame has been rendered and the queue flushed.
*
* @param out The FB to which the scene was rendered.
*/
public void postFrame(FrameBuffer out);
/**
* Called when the SP is removed from the RM.
*/
public void cleanup();
}
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