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library / src / main / java / org / distorted / library / uniformblock / UniformBlockFloatUniforms.java @ d23592bb

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2021 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.uniformblock;
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import android.opengl.GLES30;
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import org.distorted.library.main.InternalBuffer;
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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 UniformBlockFloatUniforms
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  {
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  private InternalBuffer mUBO;
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  private final float[] mArray;
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  private final int mNumUniforms, mSize;
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  private final boolean mReallyUseUBO;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public UniformBlockFloatUniforms(int numUniforms, int size, boolean reallyUse)
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    {
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    mNumUniforms = numUniforms;
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    mSize        = size;
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    mArray       = new float[mNumUniforms*mSize];
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    mReallyUseUBO= reallyUse;
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    if( mReallyUseUBO )
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      {
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      mUBO = new InternalBuffer(GLES30.GL_UNIFORM_BUFFER, GLES30.GL_STATIC_DRAW);
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public UniformBlockFloatUniforms(UniformBlockFloatUniforms original)
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    {
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    mNumUniforms = original.mNumUniforms;
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    mSize        = original.mSize;
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    mArray       = new float[mNumUniforms*mSize];
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    mReallyUseUBO= original.mReallyUseUBO;
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    System.arraycopy(original.mArray, 0, mArray, 0, 3*mSize);
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    if( mReallyUseUBO )
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      {
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      mUBO = new InternalBuffer(GLES30.GL_UNIFORM_BUFFER, GLES30.GL_STATIC_DRAW);
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      }
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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( 4*mNumUniforms*mSize, mArray);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public void remove(int pos, int numEffects)
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    {
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    System.arraycopy(mArray, mNumUniforms*(pos+1), mArray, mNumUniforms*pos, mNumUniforms*(numEffects-pos) );
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    if( mReallyUseUBO )
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      {
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      mUBO.invalidate();
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public void markForDeletion()
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    {
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    if( mReallyUseUBO )
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      {
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      mUBO.markForDeletion();
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public void invalidate()
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    {
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    if( mReallyUseUBO )
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      {
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      mUBO.invalidate();
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      }
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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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  public void print(int num)
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    {
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    StringBuilder builder = new StringBuilder();
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    builder.append( mReallyUseUBO ? mUBO.getID() : "NOT USED");
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    builder.append(':');
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    for(int i=0; i<6; i++)
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      {
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      builder.append(' ');
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      builder.append(mArray[4*i  ]);
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      builder.append(' ');
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      builder.append(mArray[4*i+1]);
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      builder.append(' ');
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      builder.append(mArray[4*i+2]);
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      builder.append(',');
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      }
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    builder.append(' ');
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    builder.append('(');
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    builder.append(num);
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    builder.append(')');
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    String res = builder.toString();
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    android.util.Log.e("ubp", res);
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    }
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  }