Android Open Source - OpenGL-es3-android Vertex Array

From Project

Back to project page OpenGL-es3-android.

License

The source code is released under:

GNU General Public License

If you think the Android project OpenGL-es3-android listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.opengles3.demo.geometry;
/*from   w ww.j ava2 s. c om*/
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;

import android.opengl.GLES30;

public class VertexArray {
  private FloatBuffer floatBuffer;
  private final static int BYTES_PER_FLOAT=4;
  public VertexArray(float[] vertexData){
    floatBuffer = ByteBuffer
        .allocateDirect(vertexData.length*BYTES_PER_FLOAT)
        .order(ByteOrder.nativeOrder())
        .asFloatBuffer()
        .put(vertexData);
  }
  public void setVertexAttribPointer(int dataOffset,int attributeLocation, int componentCount, int stride){

    floatBuffer.position(dataOffset);
        GLES30.glVertexAttribPointer(attributeLocation, componentCount, GLES30.GL_FLOAT, 
            false, stride, floatBuffer);
        GLES30.glEnableVertexAttribArray(attributeLocation);
    floatBuffer.position(0);
  }
}

Java Source Code List