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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2020 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted 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 //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.uniformblock;
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import android.opengl.GLES30;
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import org.distorted.library.main.InternalBuffer;
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import static org.distorted.library.mesh.MeshBase.MAX_EFFECT_COMPONENTS;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Not part of public API, do not document
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*
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* @y.exclude
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*/
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public class UniformBlockCenter
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{
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private static final int BLOCK_SIZE = 16*MAX_EFFECT_COMPONENTS;
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private final InternalBuffer mUBO;
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private final float[] mArray;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public UniformBlockCenter()
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{
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mArray= new float[BLOCK_SIZE/4];
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mUBO = new InternalBuffer(GLES30.GL_UNIFORM_BUFFER, GLES30.GL_STATIC_READ);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public UniformBlockCenter(UniformBlockCenter original)
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{
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int size = original.mArray.length;
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mArray= new float[size];
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System.arraycopy(original.mArray, 0, mArray, 0, size);
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mUBO = new InternalBuffer(GLES30.GL_UNIFORM_BUFFER, GLES30.GL_STATIC_READ);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setEffectCenterNow(int comp, float x, float y, float z)
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{
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mArray[4*comp ] = x;
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mArray[4*comp+1] = y;
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mArray[4*comp+2] = z;
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mUBO.invalidate();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public int getIndex()
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{
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return mUBO.createImmediatelyFloat( BLOCK_SIZE, mArray);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void copy(int compTo, UniformBlockCenter blockFrom, int compFrom)
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{
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mArray[4*compTo ] = blockFrom.mArray[4*compFrom ];
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mArray[4*compTo+1] = blockFrom.mArray[4*compFrom+1];
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mArray[4*compTo+2] = blockFrom.mArray[4*compFrom+2];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void markForDeletion()
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{
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mUBO.markForDeletion();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public float[] getBackingArray()
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{
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return mArray;
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}
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}
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