ensure Is OpenGL Buffer - Java javax.media.opengl

Java examples for javax.media.opengl:GL

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Description

ensure Is OpenGL Buffer

Demo Code

/*//from w  w  w  . jav  a  2  s .c o m
 * Copyright 2013 Brandon Borkholder
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import java.awt.Color;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.media.opengl.GL;
import javax.media.opengl.GL2ES1;

public class Main{
    public static int ensureIsGLBuffer(GL gl, int bufferId) {
        if (gl.glIsBuffer(bufferId)) {
            return bufferId;
        } else {
            return genBufferId(gl);
        }
    }
    public static int genBufferId(GL gl) {
        int[] ids = new int[1];
        gl.glGenBuffers(1, ids, 0);
        return ids[0];
    }
}

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