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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.mesh;
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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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class UniformBlockAssociation
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{
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private static final int BLOCK_SIZE = 16*MAX_EFFECT_COMPONENTS;
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private static final int DEFAULT_ASSOCIATION = 0xffffffff;
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private InternalBuffer mUBO;
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private int[] mAssociations;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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UniformBlockAssociation()
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{
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mAssociations= new int[BLOCK_SIZE/4];
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for(int i=0; i<MAX_EFFECT_COMPONENTS; i++)
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{
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mAssociations[4*i ] = DEFAULT_ASSOCIATION;
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mAssociations[4*i+2] = i;
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}
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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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UniformBlockAssociation(UniformBlockAssociation original)
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{
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int size = original.mAssociations.length;
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mAssociations= new int[size];
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System.arraycopy(original.mAssociations, 0, mAssociations, 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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boolean matchesAssociation( int comp, int andAssoc, int equAssoc)
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{
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return (andAssoc & mAssociations[4*comp]) != 0 || (equAssoc == mAssociations[4*comp+2]);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setEffectAssociationNow(int comp, int andAssociation, int equAssociation)
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{
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mAssociations[4*comp ] = andAssociation;
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mAssociations[4*comp+2] = equAssociation;
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mUBO.invalidate();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getIndex()
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{
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return mUBO.createImmediatelyInt( BLOCK_SIZE, mAssociations);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void copy(int compTo, UniformBlockAssociation assocFrom, int compFrom)
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{
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mAssociations[4*compTo ] = assocFrom.mAssociations[4*compFrom ];
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mAssociations[4*compTo+2] = assocFrom.mAssociations[4*compFrom+2];
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}
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}
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