TexMS.java

/*
 *  This file is part of the Haven & Hearth game client.
 *  Copyright (C) 2009 Fredrik Tolf <fredrik@dolda2000.com>, and
 *                     Björn Johannessen <johannessen.bjorn@gmail.com>
 *
 *  Redistribution and/or modification of this file is subject to the
 *  terms of the GNU Lesser General Public License, version 3, as
 *  published by the Free Software Foundation.
 *
 *  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.
 *
 *  Other parts of this source tree adhere to other copying
 *  rights. Please see the file `COPYING' in the root directory of the
 *  source tree for details.
 *
 *  A copy the GNU Lesser General Public License is distributed along
 *  with the source tree of which this file is a part in the file
 *  `doc/LPGL-3'. If it is missing for any reason, please see the Free
 *  Software Foundation's website at <http://www.fsf.org/>, or write
 *  to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 *  Boston, MA 02111-1307 USA
 */

package haven;

import java.awt.image.*;
import java.nio.*;
import javax.media.opengl.*;
import haven.TexGL.TexOb;
import static haven.GOut.checkerr;

public abstract class TexMS {
    protected TexOb t = null;
    public final int w, h, s;

    public TexMS(int w, int h, int s) {
	this.w = w;
	this.h = h;
	this.s = s;
    }

    protected abstract void fill(GOut g);

    private void create(GOut g) {
	GL2 gl = g.gl;
	t = new TexOb(gl);
	gl.glBindTexture(GL3.GL_TEXTURE_2D_MULTISAMPLE, t.id);
	fill(g);
	checkerr(gl);
    }

    public int glid(GOut g) {
	synchronized(this) {
	    if((t != null) && (t.gl != g.gl))
		dispose();
	    if(t == null)
		create(g);
	    return(t.id);
	}
    }

    public void dispose() {
	synchronized(this) {
	    if(t != null) {
		t.dispose();
		t = null;
	    }
	}
    }
}