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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2017 Leszek Koltunski leszek@koltunski.pl //
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// //
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// This file is part of Distorted. //
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// //
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// This library is free software; you can redistribute it and/or //
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// modify it under the terms of the GNU Lesser General Public //
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// License as published by the Free Software Foundation; either //
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// version 2.1 of the License, or (at your option) any later version. //
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// //
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// This library is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
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// Lesser General Public License for more details. //
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// //
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// You should have received a copy of the GNU Lesser General Public //
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// License along with this library; if not, write to the Free Software //
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.effect;
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import org.distorted.library.type.Data2D;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Blur the Framebuffer.
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*/
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public class PostprocessEffectBlur extends PostprocessEffectBlurred
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{
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private final Data2D mHaloAndRadius;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Only for use by the library itself.
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*
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* @y.exclude
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*/
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public boolean compute(float[] uniforms, int index, long currentDuration, long step )
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{
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return mHaloAndRadius.get(uniforms,index,currentDuration,step);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Only for use by the library itself.
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*
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* @y.exclude
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*/
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public boolean getRenderDirectly()
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{
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return false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Have to call this before the shaders get compiled (i.e before DistortedLibrary.onCreate()) for the Effect to work.
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*/
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public static void enable()
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{
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PostprocessEffectBlurred.enable("BLUR1","BLUR2");
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Clean up of static variables on exit. Called by reflection from super class.
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@SuppressWarnings("unused")
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static void destroyStatics()
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{
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PostprocessEffectBlurred.destroyStatics();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Blur the Framebuffer.
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*
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* @param haloAndRadius First float: the halo.
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* How far beyond the object does the effect stretch to? Unit: Percentage
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* of the size of the original object, i.e. Halo=0 --> no halo around, this
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* would mean sharp edges around the object; Halo=100 --> halo of the size
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* of the object itself around (in case of blur, this would be - in vast
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* majority of cases except an object rendered very closely to the near plane-
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* an overkill).
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* Second float: the radius.
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* The 'strength' if the blur of the edges, in pixels. 0 = no blur, 10 =
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* blur of roughly 10 pixels around the whole halo.
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*/
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public PostprocessEffectBlur(Data2D haloAndRadius)
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{
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super(EffectName.BLUR);
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mHaloAndRadius = haloAndRadius;
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}
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}
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