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/**
* Copyright 2023 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.opengl.util;
import java.nio.Buffer;
import java.nio.FloatBuffer;
import com.jogamp.opengl.math.Matrix4f;
/** {@link SyncBuffer} {@link SyncMatrices4f16} implementation for multiple underlying {@link Matrix4f} instances using one {@code float[16*n]} backing array. */
public final class SyncMatrices4f16 implements SyncMatrices4f {
private final Matrix4f[] mats;
private final float[] f16s;
private final FloatBuffer fbuf;
private final SyncAction action = new SyncAction() {
@Override
public void sync() {
int ioff = 0;
for(int i=0; i<mats.length; ++i, ioff+=16) {
mats[i].get(f16s, ioff);
}
}
};
public SyncMatrices4f16(final Matrix4f[] mats) {
this.mats = mats;
this.f16s = new float[16*mats.length];
this.fbuf = FloatBuffer.wrap(f16s);
}
@Override
public SyncAction getAction() { return action; }
@Override
public Buffer getBuffer() { return fbuf; }
@Override
public SyncBuffer sync() { getAction().sync(); return this; }
@Override
public Buffer getSyncBuffer() { getAction().sync(); return fbuf; }
@Override
public Matrix4f[] getMatrices() { return mats; }
@Override
public FloatBuffer getSyncFloats() { getAction().sync(); return fbuf; }
}
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