Distorted Android

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// Copyright 2021 Leszek Koltunski  leszek@koltunski.pl                                          //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// This library is free software; you can redistribute it and/or                                 //

// modify it under the terms of the GNU Lesser General Public                                    //

// License as published by the Free Software Foundation; either                                  //

// version 2.1 of the License, or (at your option) any later version.                            //

//                                                                                               //

// This library is distributed in the hope that it will be useful,                               //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU                             //

// Lesser General Public License for more details.                                               //

//                                                                                               //

// You should have received a copy of the GNU Lesser General Public                              //

// License along with this library; if not, write to the Free Software                           //

// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA                //

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package org.distorted.library.uniformblock;

import android.opengl.GLES30;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.InternalBuffer;

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/**

 * Not part of public API, do not document

 *

 * @y.exclude

 */

public class UniformBlockFloatUniforms

  {

  private InternalBuffer mUBO;

  private final float[] mArray;

  private final int mNumUniforms, mSize;

  private final boolean mReallyUseUBO;

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  public UniformBlockFloatUniforms(int numUniforms, int size, boolean reallyUse)

    {

    mNumUniforms = numUniforms;

    mSize        = size;

    mArray       = new float[mNumUniforms*mSize];

    mReallyUseUBO= reallyUse;

    if( mReallyUseUBO )

      {

      mUBO = new InternalBuffer(GLES30.GL_UNIFORM_BUFFER, GLES30.GL_STATIC_DRAW);

      }

    }

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  public UniformBlockFloatUniforms(UniformBlockFloatUniforms original)

    {

    mNumUniforms = original.mNumUniforms;

    mSize        = original.mSize;

    mArray       = new float[mNumUniforms*mSize];

    mReallyUseUBO= original.mReallyUseUBO;

    System.arraycopy(original.mArray, 0, mArray, 0, 3*mSize);

    if( mReallyUseUBO )

      {

      mUBO = new InternalBuffer(GLES30.GL_UNIFORM_BUFFER, GLES30.GL_STATIC_DRAW);

      }

    }

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  public int getIndex()

    {

    return mUBO.createImmediatelyFloat( 4*mNumUniforms*mSize, mArray);

    }

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  public void remove(int pos, int numEffects)

    {

    System.arraycopy(mArray, mNumUniforms*(pos+1), mArray, mNumUniforms*pos, mNumUniforms*(numEffects-pos) );

    if( mReallyUseUBO )

      {

      mUBO.invalidate();

      }

    }

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  public void markForDeletion()

    {

    if( mReallyUseUBO )

      {

      mUBO.markForDeletion();

      }

    }

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  public void invalidate()

    {

    if( mReallyUseUBO )

      {

      mUBO.invalidate();

      }

    }

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  public float[] getBackingArray()

    {

    return mArray;

    }

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  public void print(int num)

    {

    StringBuilder builder = new StringBuilder();

    builder.append( mReallyUseUBO ? mUBO.getID() : "NOT USED");

    builder.append(':');

    for(int i=0; i<6; i++)

      {

      builder.append(' ');

      builder.append(mArray[4*i  ]);

      builder.append(' ');

      builder.append(mArray[4*i+1]);

      builder.append(' ');

      builder.append(mArray[4*i+2]);

      builder.append(',');

      }

    builder.append(' ');

    builder.append('(');

    builder.append(num);

    builder.append(')');

    String res = builder.toString();

    DistortedLibrary.logMessage("UniformBlockFloatUniforms: "+res);

    }

  }