ShaderSimple.java

/**
 * Copyright (c) Lambda Innovation, 2013-2015
 * 本作品版权由Lambda Innovation所有。
 * http://www.li-dev.cn/
 *
 * This project is open-source, and it is distributed under
 * the terms of GNU General Public License. You can modify
 * and distribute freely as long as you follow the license.
 * 本项目是一个开源项目，且遵循GNU通用公共授权协议。
 * 在遵照该协议的情况下，您可以自由传播和修改。
 * http://www.gnu.org/licenses/gpl.html
 */
package cn.liutils.util.client.shader;

import org.lwjgl.opengl.GL20;

/**
 * @author WeAthFolD
 */
public class ShaderSimple extends ShaderProgram {
    private static ShaderSimple instance;
    
    public static ShaderSimple instance() {
        if(instance == null)
            instance = new ShaderSimple();
        return instance;
    }
    
    private ShaderSimple() {
        this.linkShader(getShader("simple.vert"), GL20.GL_VERTEX_SHADER);
        this.linkShader(getShader("simple.frag"), GL20.GL_FRAGMENT_SHADER);
        this.compile();
        
        this.useProgram();
        GL20.glUniform1i(GL20.glGetUniformLocation(this.getProgramID(), "sampler"), 0);
        GL20.glUseProgram(0);
    }
}