/*
* Copyright (c) 2009-2012 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.filters;
import com.jme3.asset.AssetManager;
import com.jme3.export.InputCapsule;
import com.jme3.export.JmeExporter;
import com.jme3.export.JmeImporter;
import com.jme3.export.OutputCapsule;
import com.jme3.material.Material;
import com.jme3.math.Vector3f;
import com.jme3.post.Filter;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import java.io.IOException;
/**
* Tone-mapping filter that uses filmic curve.
*
* @author Kirill Vainer
*/
public class ToneMapFilter extends Filter {
private static final Vector3f DEFAULT_WHITEPOINT = new Vector3f(11.2f, 11.2f, 11.2f);
private Vector3f whitePoint = DEFAULT_WHITEPOINT.clone();
/**
* Creates a tone-mapping filter with the default white-point of 11.2.
*/
public ToneMapFilter() {
super("ToneMapFilter");
}
/**
* Creates a tone-mapping filter with the specified white-point.
*
* @param whitePoint The intensity of the brightest part of the scene.
*/
public ToneMapFilter(Vector3f whitePoint) {
this();
this.whitePoint = whitePoint.clone();
}
@Override
protected boolean isRequiresDepthTexture() {
return false;
}
@Override
protected void initFilter(AssetManager manager, RenderManager renderManager, ViewPort vp, int w, int h) {
material = new Material(manager, "Common/MatDefs/Post/ToneMap.j3md");
material.setVector3("WhitePoint", whitePoint);
}
@Override
protected Material getMaterial() {
return material;
}
/**
* Set the scene white point.
*
* @param whitePoint The intensity of the brightest part of the scene.
*/
public void setWhitePoint(Vector3f whitePoint) {
if (material != null) {
material.setVector3("WhitePoint", whitePoint);
}
this.whitePoint = whitePoint;
}
/**
* Get the scene white point.
*
* @return The intensity of the brightest part of the scene.
*/
public Vector3f getWhitePoint() {
return whitePoint;
}
@Override
public void write(JmeExporter ex) throws IOException {
super.write(ex);
OutputCapsule oc = ex.getCapsule(this);
oc.write(whitePoint, "whitePoint", DEFAULT_WHITEPOINT.clone());
}
@Override
public void read(JmeImporter im) throws IOException {
super.read(im);
InputCapsule ic = im.getCapsule(this);
whitePoint = (Vector3f) ic.readSavable("whitePoint", DEFAULT_WHITEPOINT.clone());
}
}