GLBufferTool.java

/*
 *
 * (c)2010 Lein-Mathisen Digital
 * http://lmdig.com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
 *
 */



package com.lmdig.android.tutorial.oglbox2dbasics.tools;

import static android.opengl.GLES10.*;

import java.nio.FloatBuffer;
public class GLBufferTool {
	
	static FloatBuffer currentFloatBuffer;
	
	
	public static void setGLVertexBuffer(int dimensions, FloatBuffer buffer) {
		// only perform change if we want a new one
		// possible optimizing. 
		// changing the vertex pointer is performance costly (flushed ogl pipeline)
		if(buffer != currentFloatBuffer) {
			glVertexPointer(dimensions, GL_FLOAT, 0, buffer);
			currentFloatBuffer = buffer;
		}
		
	}

}