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Made a ComposeFilter that allows one to compose post filtered outputs from multiple viewports

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see http://jmonkeyengine.org/forum/topic/bloom-filter-for-multiple-nodes/#post-213016

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10592 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
rem..om 2013-05-04 07:21:46 +00:00
parent 7c966572f1
commit b105f2c228
5 changed files with 283 additions and 0 deletions
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10
engine/src/core-effects/Common/MatDefs/Post/Compose.frag Normal file
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uniform sampler2D m_Texture;
uniform sampler2D m_CompositeTexture;
varying vec2 texCoord;
void main() {
vec4 texVal = texture2D(m_Texture, texCoord);
vec4 compositeVal = texture2D(m_CompositeTexture, texCoord);
gl_FragColor = mix(compositeVal,texVal,texVal.a);
}

33
engine/src/core-effects/Common/MatDefs/Post/Compose.j3md Normal file
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MaterialDef Default GUI {
MaterialParameters {
Int NumSamples
Int NumSamplesDepth
Texture2D Texture
Texture2D CompositeTexture
}
Technique {
VertexShader GLSL150: Common/MatDefs/Post/Post15.vert
FragmentShader GLSL150: Common/MatDefs/Post/Compose15.frag
WorldParameters {
WorldViewProjectionMatrix
}
Defines {
RESOLVE_MS : NumSamples
}
}
Technique {
VertexShader GLSL100: Common/MatDefs/Post/Post.vert
FragmentShader GLSL100: Common/MatDefs/Post/Compose.frag
WorldParameters {
WorldViewProjectionMatrix
}
}
}

14
engine/src/core-effects/Common/MatDefs/Post/Compose15.frag Normal file
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#import "Common/ShaderLib/MultiSample.glsllib"
uniform COLORTEXTURE m_Texture;
uniform COLORTEXTURE m_CompositeTexture;
in vec2 texCoord;
out vec4 finalColor;
void main() {
vec4 texVal = getColor(m_Texture, texCoord);
vec4 compositeVal = getColor(m_CompositeTexture, texCoord);
finalColor = mix(compositeVal,texVal,texVal.a);
}

118
engine/src/core-effects/com/jme3/post/filters/ComposeFilter.java Normal file
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/*
* 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.post.Filter;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import com.jme3.texture.Texture2D;
import java.io.IOException;
/**
* This filter compose a texture with the viewport texture. This is used to
* compose post processed texture from another viewport.
*
* the compositing is done using the alpha value of the viewportTexture :
* mix(compositeTextureColor, viewPortColor, viewportColor.alpha);
*
* It's important for a good result that the viewport clear color alpha be 0.
*
* @author Rémy Bouquet aka Nehon
*/
public class ComposeFilter extends Filter {
private Texture2D compositeTexture;
/**
* creates a ComposeFilter
*/
public ComposeFilter() {
super("Compose Filter");
}
/**
* creates a ComposeFilter with the given texture
*
* @param color
*/
public ComposeFilter(Texture2D compositeTexture) {
this();
this.compositeTexture = compositeTexture;
}
@Override
protected Material getMaterial() {
material.setTexture("CompositeTexture", compositeTexture);
return material;
}
/**
*
* @return the compositeTexture
*/
public Texture2D getCompositeTexture() {
return compositeTexture;
}
/**
* sets the compositeTexture
*
* @param compositeTexture
*/
public void setCompositeTexture(Texture2D compositeTexture) {
this.compositeTexture = compositeTexture;
}
@Override
protected void initFilter(AssetManager manager, RenderManager renderManager, ViewPort vp, int w, int h) {
material = new Material(manager, "Common/MatDefs/Post/Compose.j3md");
}
@Override
public void write(JmeExporter ex) throws IOException {
super.write(ex);
OutputCapsule oc = ex.getCapsule(this);
}
@Override
public void read(JmeImporter im) throws IOException {
super.read(im);
InputCapsule ic = im.getCapsule(this);
}
}

108
engine/src/test/jme3test/post/TestPostFiltersCompositing.java Normal file
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/*
* 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 jme3test.post;
import com.jme3.app.SimpleApplication;
import com.jme3.asset.plugins.ZipLocator;
import com.jme3.light.DirectionalLight;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.post.FilterPostProcessor;
import com.jme3.post.filters.BloomFilter;
import com.jme3.post.filters.ColorOverlayFilter;
import com.jme3.post.filters.ComposeFilter;
import com.jme3.scene.Spatial;
import com.jme3.texture.FrameBuffer;
import com.jme3.texture.Image;
import com.jme3.texture.Texture2D;
import com.jme3.util.SkyFactory;
/**
* This test showcases the possibility to compose the post filtered outputs of several viewports.
* The usual use case is when you want to apply some post process to the main viewport and then other post process to the gui viewport
* @author Nehon
*/
public class TestPostFiltersCompositing extends SimpleApplication {
public static void main(String[] args) {
TestPostFiltersCompositing app = new TestPostFiltersCompositing();
app.start();
}
public void simpleInitApp() {
this.flyCam.setMoveSpeed(10);
cam.setLocation(new Vector3f(6.0344796f, 1.5054002f, 55.572033f));
cam.setRotation(new Quaternion(0.0016069f, 0.9810479f, -0.008143323f, 0.19358753f));
makeScene();
//Creating the main view port post processor
FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
fpp.addFilter(new ColorOverlayFilter(ColorRGBA.Blue));
viewPort.addProcessor(fpp);
//creating a frame buffer for the mainviewport
FrameBuffer mainVPFrameBuffer = new FrameBuffer(cam.getWidth(), cam.getHeight(), 1);
Texture2D mainVPTexture = new Texture2D(cam.getWidth(), cam.getHeight(), Image.Format.RGBA8);
mainVPFrameBuffer.addColorTexture(mainVPTexture);
mainVPFrameBuffer.setDepthBuffer(Image.Format.Depth);
viewPort.setOutputFrameBuffer(mainVPFrameBuffer);
//creating the post processor for the gui viewport
final FilterPostProcessor guifpp = new FilterPostProcessor(assetManager);
guifpp.addFilter(new ColorOverlayFilter(ColorRGBA.Red));
//this will compose the main viewport texture with the guiviewport back buffer.
//Note that you can swich the order of the filters so that guiviewport filters are applied or not to the main viewport texture
guifpp.addFilter(new ComposeFilter(mainVPTexture));
guiViewPort.addProcessor(guifpp);
//compositing is done my mixing texture depending on the alpha channel,
//it's important that the guiviewport clear color alpha value is set to 0
guiViewPort.setBackgroundColor(new ColorRGBA(0, 0, 0, 0));
}
private void makeScene() {
// load sky
rootNode.attachChild(SkyFactory.createSky(assetManager, "Textures/Sky/Bright/BrightSky.dds", false));
assetManager.registerLocator("wildhouse.zip", ZipLocator.class);
Spatial scene = assetManager.loadModel("main.scene");
DirectionalLight sun = new DirectionalLight();
sun.setDirection(new Vector3f(-0.4790551f, -0.39247334f, -0.7851566f));
sun.setColor(ColorRGBA.White.clone().multLocal(2));
scene.addLight(sun);
rootNode.attachChild(scene);
}
}