BloomFilter, applied James patch to make sure the filter is properly re initialized when de downsampling factor is changed.

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10943 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core-effects/com/jme3/post/filters/BloomFilter.java

@@ -1,314 +1,329 @@
-/*
- * 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.ColorRGBA;
-import com.jme3.post.Filter;
-import com.jme3.renderer.RenderManager;
-import com.jme3.renderer.ViewPort;
-import com.jme3.renderer.queue.RenderQueue;
-import com.jme3.texture.Image.Format;
-import java.io.IOException;
-import java.util.ArrayList;
-
-/**
- * BloomFilter is used to make objects in the scene have a glow effect.<br>
- * There are 2 mode : Scene and Objects.<br>
- * Scene mode extracts the bright parts of the scene to make them glow<br>
- * Object mode make objects glow according to their material's glowMap or their GlowColor<br>
- * @see <a href="http://jmonkeyengine.org/wiki/doku.php/jme3:advanced:bloom_and_glow">advanced:bloom_and_glow</a> for more details
- * 
- * @author Rémy Bouquet aka Nehon
- */
-public class BloomFilter extends Filter {
-
-    /**
-     * GlowMode specifies if the glow will be applied to the whole scene,or to objects that have aglow color or a glow map
-     */
-    public enum GlowMode {
-
-        /**
-         * Apply bloom filter to bright areas in the scene.
-         */
-        Scene,
-        /**
-         * Apply bloom only to objects that have a glow map or a glow color.
-         */
-        Objects,
-        /**
-         * Apply bloom to both bright parts of the scene and objects with glow map.
-         */
-        SceneAndObjects;
-    }
-
-    private GlowMode glowMode = GlowMode.Scene;
-    //Bloom parameters
-    private float blurScale = 1.5f;
-    private float exposurePower = 5.0f;
-    private float exposureCutOff = 0.0f;
-    private float bloomIntensity = 2.0f;
-    private float downSamplingFactor = 1;
-    private Pass preGlowPass;
-    private Pass extractPass;
-    private Pass horizontalBlur = new Pass();
-    private Pass verticalalBlur = new Pass();
-    private Material extractMat;
-    private Material vBlurMat;
-    private Material hBlurMat;
-    private int screenWidth;
-    private int screenHeight;    
-    private RenderManager renderManager;
-    private ViewPort viewPort;
-
-    /**
-     * Creates a Bloom filter
-     */
-    public BloomFilter() {
-        super("BloomFilter");
-    }
-
-    /**
-     * Creates the bloom filter with the specific glow mode
-     * @param glowMode
-     */
-    public BloomFilter(GlowMode glowMode) {
-        this();
-        this.glowMode = glowMode;
-    }
-
-    @Override
-    protected void initFilter(AssetManager manager, RenderManager renderManager, ViewPort vp, int w, int h) {
-             this.renderManager = renderManager;
-        this.viewPort = vp;
-        screenWidth = (int) Math.max(1, (w / downSamplingFactor));
-        screenHeight = (int) Math.max(1, (h / downSamplingFactor));
-        //    System.out.println(screenWidth + " " + screenHeight);
-        if (glowMode != GlowMode.Scene) {
-            preGlowPass = new Pass();
-            preGlowPass.init(renderManager.getRenderer(), screenWidth, screenHeight, Format.RGBA8, Format.Depth);
-        }
-
-        postRenderPasses = new ArrayList<Pass>();
-        //configuring extractPass
-        extractMat = new Material(manager, "Common/MatDefs/Post/BloomExtract.j3md");
-        extractPass = new Pass() {
-
-            @Override
-            public boolean requiresSceneAsTexture() {
-                return true;
-            }
-
-            @Override
-            public void beforeRender() {
-                extractMat.setFloat("ExposurePow", exposurePower);
-                extractMat.setFloat("ExposureCutoff", exposureCutOff);
-                if (glowMode != GlowMode.Scene) {
-                    extractMat.setTexture("GlowMap", preGlowPass.getRenderedTexture());
-                }
-                extractMat.setBoolean("Extract", glowMode != GlowMode.Objects);
-            }
-        };
-
-        extractPass.init(renderManager.getRenderer(), screenWidth, screenHeight, Format.RGBA8, Format.Depth, 1, extractMat);
-        postRenderPasses.add(extractPass);
-
-        //configuring horizontal blur pass
-        hBlurMat = new Material(manager, "Common/MatDefs/Blur/HGaussianBlur.j3md");
-        horizontalBlur = new Pass() {
-
-            @Override
-            public void beforeRender() {
-                hBlurMat.setTexture("Texture", extractPass.getRenderedTexture());
-                hBlurMat.setFloat("Size", screenWidth);
-                hBlurMat.setFloat("Scale", blurScale);
-            }
-        };
-
-        horizontalBlur.init(renderManager.getRenderer(), screenWidth, screenHeight, Format.RGBA8, Format.Depth, 1, hBlurMat);
-        postRenderPasses.add(horizontalBlur);
-
-        //configuring vertical blur pass
-        vBlurMat = new Material(manager, "Common/MatDefs/Blur/VGaussianBlur.j3md");
-        verticalalBlur = new Pass() {
-
-            @Override
-            public void beforeRender() {
-                vBlurMat.setTexture("Texture", horizontalBlur.getRenderedTexture());
-                vBlurMat.setFloat("Size", screenHeight);
-                vBlurMat.setFloat("Scale", blurScale);
-            }
-        };
-
-        verticalalBlur.init(renderManager.getRenderer(), screenWidth, screenHeight, Format.RGBA8, Format.Depth, 1, vBlurMat);
-        postRenderPasses.add(verticalalBlur);
-
-
-        //final material
-        material = new Material(manager, "Common/MatDefs/Post/BloomFinal.j3md");
-        material.setTexture("BloomTex", verticalalBlur.getRenderedTexture());
-    }
-
-
-    @Override
-    protected Material getMaterial() {
-        material.setFloat("BloomIntensity", bloomIntensity);
-        return material;
-    }
-
-    @Override
-    protected void postQueue(RenderQueue queue) {
-        if (glowMode != GlowMode.Scene) {           
-            renderManager.getRenderer().setBackgroundColor(ColorRGBA.BlackNoAlpha);            
-            renderManager.getRenderer().setFrameBuffer(preGlowPass.getRenderFrameBuffer());
-            renderManager.getRenderer().clearBuffers(true, true, true);
-            renderManager.setForcedTechnique("Glow");
-            renderManager.renderViewPortQueues(viewPort, false);         
-            renderManager.setForcedTechnique(null);
-            renderManager.getRenderer().setFrameBuffer(viewPort.getOutputFrameBuffer());
-        }
-    }
-
-    /**
-     * returns the bloom intensity
-     * @return 
-     */
-    public float getBloomIntensity() {
-        return bloomIntensity;
-    }
-
-    /**
-     * intensity of the bloom effect default is 2.0
-     * @param bloomIntensity
-     */
-    public void setBloomIntensity(float bloomIntensity) {
-        this.bloomIntensity = bloomIntensity;
-    }
-
-    /**
-     * returns the blur scale
-     * @return 
-     */
-    public float getBlurScale() {
-        return blurScale;
-    }
-
-    /**
-     * sets The spread of the bloom default is 1.5f
-     * @param blurScale
-     */
-    public void setBlurScale(float blurScale) {
-        this.blurScale = blurScale;
-    }
-
-    /**
-     * returns the exposure cutoff<br>
-     * for more details see {@link #setExposureCutOff(float exposureCutOff)}
-     * @return 
-     */    
-    public float getExposureCutOff() {
-        return exposureCutOff;
-    }
-
-    /**
-     * Define the color threshold on which the bloom will be applied (0.0 to 1.0)
-     * @param exposureCutOff
-     */
-    public void setExposureCutOff(float exposureCutOff) {
-        this.exposureCutOff = exposureCutOff;
-    }
-
-    /**
-     * returns the exposure power<br>
-     * form more details see {@link #setExposurePower(float exposurePower)}
-     * @return 
-     */
-    public float getExposurePower() {
-        return exposurePower;
-    }
-
-    /**
-     * defines how many time the bloom extracted color will be multiplied by itself. default id 5.0<br>
-     * a high value will reduce rough edges in the bloom and somhow the range of the bloom area     * 
-     * @param exposurePower
-     */
-    public void setExposurePower(float exposurePower) {
-        this.exposurePower = exposurePower;
-    }
-
-    /**
-     * returns the downSampling factor<br>
-     * form more details see {@link #setDownSamplingFactor(float downSamplingFactor)}
-     * @return
-     */
-    public float getDownSamplingFactor() {
-        return downSamplingFactor;
-    }
-
-    /**
-     * Sets the downSampling factor : the size of the computed texture will be divided by this factor. default is 1 for no downsampling
-     * A 2 value is a good way of widening the blur
-     * @param downSamplingFactor
-     */
-    public void setDownSamplingFactor(float downSamplingFactor) {
-        this.downSamplingFactor = downSamplingFactor;
-    }
-
-    @Override
-    public void write(JmeExporter ex) throws IOException {
-        super.write(ex);
-        OutputCapsule oc = ex.getCapsule(this);
-        oc.write(glowMode, "glowMode", GlowMode.Scene);
-        oc.write(blurScale, "blurScale", 1.5f);
-        oc.write(exposurePower, "exposurePower", 5.0f);
-        oc.write(exposureCutOff, "exposureCutOff", 0.0f);
-        oc.write(bloomIntensity, "bloomIntensity", 2.0f);
-        oc.write(downSamplingFactor, "downSamplingFactor", 1);
-    }
-
-    @Override
-    public void read(JmeImporter im) throws IOException {
-        super.read(im);
-        InputCapsule ic = im.getCapsule(this);
-        glowMode = ic.readEnum("glowMode", GlowMode.class, GlowMode.Scene);
-        blurScale = ic.readFloat("blurScale", 1.5f);
-        exposurePower = ic.readFloat("exposurePower", 5.0f);
-        exposureCutOff = ic.readFloat("exposureCutOff", 0.0f);
-        bloomIntensity = ic.readFloat("bloomIntensity", 2.0f);
-        downSamplingFactor = ic.readFloat("downSamplingFactor", 1);
-    }
-}
+/*
+ * 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.ColorRGBA;
+import com.jme3.post.Filter;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.texture.Image.Format;
+import java.io.IOException;
+import java.util.ArrayList;
+
+/**
+ * BloomFilter is used to make objects in the scene have a glow effect.<br>
+ * There are 2 mode : Scene and Objects.<br>
+ * Scene mode extracts the bright parts of the scene to make them glow<br>
+ * Object mode make objects glow according to their material's glowMap or their GlowColor<br>
+ * @see <a href="http://jmonkeyengine.org/wiki/doku.php/jme3:advanced:bloom_and_glow">advanced:bloom_and_glow</a> for more details
+ * 
+ * @author Rémy Bouquet aka Nehon
+ */
+public class BloomFilter extends Filter {
+
+    /**
+     * GlowMode specifies if the glow will be applied to the whole scene,or to objects that have aglow color or a glow map
+     */
+    public enum GlowMode {
+
+        /**
+         * Apply bloom filter to bright areas in the scene.
+         */
+        Scene,
+        /**
+         * Apply bloom only to objects that have a glow map or a glow color.
+         */
+        Objects,
+        /**
+         * Apply bloom to both bright parts of the scene and objects with glow map.
+         */
+        SceneAndObjects;
+    }
+
+    private GlowMode glowMode = GlowMode.Scene;
+    //Bloom parameters
+    private float blurScale = 1.5f;
+    private float exposurePower = 5.0f;
+    private float exposureCutOff = 0.0f;
+    private float bloomIntensity = 2.0f;
+    private float downSamplingFactor = 1;
+    private Pass preGlowPass;
+    private Pass extractPass;
+    private Pass horizontalBlur = new Pass();
+    private Pass verticalalBlur = new Pass();
+    private Material extractMat;
+    private Material vBlurMat;
+    private Material hBlurMat;
+    private int screenWidth;
+    private int screenHeight;    
+    private RenderManager renderManager;
+    private ViewPort viewPort;
+
+    private AssetManager assetManager;
+    private int initalWidth;
+    private int initalHeight;
+    
+    /**
+     * Creates a Bloom filter
+     */
+    public BloomFilter() {
+        super("BloomFilter");
+    }
+
+    /**
+     * Creates the bloom filter with the specific glow mode
+     * @param glowMode
+     */
+    public BloomFilter(GlowMode glowMode) {
+        this();
+        this.glowMode = glowMode;
+    }
+
+    @Override
+    protected void initFilter(AssetManager manager, RenderManager renderManager, ViewPort vp, int w, int h) {
+             this.renderManager = renderManager;
+        this.viewPort = vp;
+
+        this.assetManager = manager;
+        this.initalWidth = w;
+        this.initalHeight = h;
+                
+        screenWidth = (int) Math.max(1, (w / downSamplingFactor));
+        screenHeight = (int) Math.max(1, (h / downSamplingFactor));
+        //    System.out.println(screenWidth + " " + screenHeight);
+        if (glowMode != GlowMode.Scene) {
+            preGlowPass = new Pass();
+            preGlowPass.init(renderManager.getRenderer(), screenWidth, screenHeight, Format.RGBA8, Format.Depth);
+        }
+
+        postRenderPasses = new ArrayList<Pass>();
+        //configuring extractPass
+        extractMat = new Material(manager, "Common/MatDefs/Post/BloomExtract.j3md");
+        extractPass = new Pass() {
+
+            @Override
+            public boolean requiresSceneAsTexture() {
+                return true;
+            }
+
+            @Override
+            public void beforeRender() {
+                extractMat.setFloat("ExposurePow", exposurePower);
+                extractMat.setFloat("ExposureCutoff", exposureCutOff);
+                if (glowMode != GlowMode.Scene) {
+                    extractMat.setTexture("GlowMap", preGlowPass.getRenderedTexture());
+                }
+                extractMat.setBoolean("Extract", glowMode != GlowMode.Objects);
+            }
+        };
+
+        extractPass.init(renderManager.getRenderer(), screenWidth, screenHeight, Format.RGBA8, Format.Depth, 1, extractMat);
+        postRenderPasses.add(extractPass);
+
+        //configuring horizontal blur pass
+        hBlurMat = new Material(manager, "Common/MatDefs/Blur/HGaussianBlur.j3md");
+        horizontalBlur = new Pass() {
+
+            @Override
+            public void beforeRender() {
+                hBlurMat.setTexture("Texture", extractPass.getRenderedTexture());
+                hBlurMat.setFloat("Size", screenWidth);
+                hBlurMat.setFloat("Scale", blurScale);
+            }
+        };
+
+        horizontalBlur.init(renderManager.getRenderer(), screenWidth, screenHeight, Format.RGBA8, Format.Depth, 1, hBlurMat);
+        postRenderPasses.add(horizontalBlur);
+
+        //configuring vertical blur pass
+        vBlurMat = new Material(manager, "Common/MatDefs/Blur/VGaussianBlur.j3md");
+        verticalalBlur = new Pass() {
+
+            @Override
+            public void beforeRender() {
+                vBlurMat.setTexture("Texture", horizontalBlur.getRenderedTexture());
+                vBlurMat.setFloat("Size", screenHeight);
+                vBlurMat.setFloat("Scale", blurScale);
+            }
+        };
+
+        verticalalBlur.init(renderManager.getRenderer(), screenWidth, screenHeight, Format.RGBA8, Format.Depth, 1, vBlurMat);
+        postRenderPasses.add(verticalalBlur);
+
+
+        //final material
+        material = new Material(manager, "Common/MatDefs/Post/BloomFinal.j3md");
+        material.setTexture("BloomTex", verticalalBlur.getRenderedTexture());
+    }
+
+
+    protected void reInitFilter() {
+        initFilter(assetManager, renderManager, viewPort, initalWidth, initalHeight);
+    }
+    
+    @Override
+    protected Material getMaterial() {
+        material.setFloat("BloomIntensity", bloomIntensity);
+        return material;
+    }
+
+    @Override
+    protected void postQueue(RenderQueue queue) {
+        if (glowMode != GlowMode.Scene) {           
+            renderManager.getRenderer().setBackgroundColor(ColorRGBA.BlackNoAlpha);            
+            renderManager.getRenderer().setFrameBuffer(preGlowPass.getRenderFrameBuffer());
+            renderManager.getRenderer().clearBuffers(true, true, true);
+            renderManager.setForcedTechnique("Glow");
+            renderManager.renderViewPortQueues(viewPort, false);         
+            renderManager.setForcedTechnique(null);
+            renderManager.getRenderer().setFrameBuffer(viewPort.getOutputFrameBuffer());
+        }
+    }
+
+    /**
+     * returns the bloom intensity
+     * @return 
+     */
+    public float getBloomIntensity() {
+        return bloomIntensity;
+    }
+
+    /**
+     * intensity of the bloom effect default is 2.0
+     * @param bloomIntensity
+     */
+    public void setBloomIntensity(float bloomIntensity) {
+        this.bloomIntensity = bloomIntensity;
+    }
+
+    /**
+     * returns the blur scale
+     * @return 
+     */
+    public float getBlurScale() {
+        return blurScale;
+    }
+
+    /**
+     * sets The spread of the bloom default is 1.5f
+     * @param blurScale
+     */
+    public void setBlurScale(float blurScale) {
+        this.blurScale = blurScale;
+    }
+
+    /**
+     * returns the exposure cutoff<br>
+     * for more details see {@link #setExposureCutOff(float exposureCutOff)}
+     * @return 
+     */    
+    public float getExposureCutOff() {
+        return exposureCutOff;
+    }
+
+    /**
+     * Define the color threshold on which the bloom will be applied (0.0 to 1.0)
+     * @param exposureCutOff
+     */
+    public void setExposureCutOff(float exposureCutOff) {
+        this.exposureCutOff = exposureCutOff;
+    }
+
+    /**
+     * returns the exposure power<br>
+     * form more details see {@link #setExposurePower(float exposurePower)}
+     * @return 
+     */
+    public float getExposurePower() {
+        return exposurePower;
+    }
+
+    /**
+     * defines how many time the bloom extracted color will be multiplied by itself. default id 5.0<br>
+     * a high value will reduce rough edges in the bloom and somhow the range of the bloom area     * 
+     * @param exposurePower
+     */
+    public void setExposurePower(float exposurePower) {
+        this.exposurePower = exposurePower;
+    }
+
+    /**
+     * returns the downSampling factor<br>
+     * form more details see {@link #setDownSamplingFactor(float downSamplingFactor)}
+     * @return
+     */
+    public float getDownSamplingFactor() {
+        return downSamplingFactor;
+    }
+
+    /**
+     * Sets the downSampling factor : the size of the computed texture will be divided by this factor. default is 1 for no downsampling
+     * A 2 value is a good way of widening the blur
+     * @param downSamplingFactor
+     */
+    public void setDownSamplingFactor(float downSamplingFactor) {
+        this.downSamplingFactor = downSamplingFactor;
+        if (assetManager != null) // dirty isInitialised check
+            reInitFilter();
+    }
+
+    @Override
+    public void write(JmeExporter ex) throws IOException {
+        super.write(ex);
+        OutputCapsule oc = ex.getCapsule(this);
+        oc.write(glowMode, "glowMode", GlowMode.Scene);
+        oc.write(blurScale, "blurScale", 1.5f);
+        oc.write(exposurePower, "exposurePower", 5.0f);
+        oc.write(exposureCutOff, "exposureCutOff", 0.0f);
+        oc.write(bloomIntensity, "bloomIntensity", 2.0f);
+        oc.write(downSamplingFactor, "downSamplingFactor", 1);
+    }
+
+    @Override
+    public void read(JmeImporter im) throws IOException {
+        super.read(im);
+        InputCapsule ic = im.getCapsule(this);
+        glowMode = ic.readEnum("glowMode", GlowMode.class, GlowMode.Scene);
+        blurScale = ic.readFloat("blurScale", 1.5f);
+        exposurePower = ic.readFloat("exposurePower", 5.0f);
+        exposureCutOff = ic.readFloat("exposureCutOff", 0.0f);
+        bloomIntensity = ic.readFloat("bloomIntensity", 2.0f);
+        downSamplingFactor = ic.readFloat("downSamplingFactor", 1);
+    }
+}