UniqueRenderer.java :  » Game » Lightweight-Java-Game-Library-2.4.2 » org » lwjgl » test » opengl » pbuffers » Java Open Source

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Lightweight Java Game Library 2.4.2 » org » lwjgl » test » opengl » pbuffers » UniqueRenderer.java
/*
 * Copyright (c) 2002-2008 LWJGL Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'LWJGL' nor the names of
 *   its contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.lwjgl.test.opengl.pbuffers;

import org.lwjgl.LWJGLException;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.Pbuffer;
import org.lwjgl.opengl.PixelFormat;

final class UniqueRenderer extends TextureRenderer {

  UniqueRenderer(final int width, final int height, final int texID) {
    super(width, height, texID);
  }

  protected Pbuffer init(final int width, final int height, final int texID) {
    Pbuffer pbuffer = null;

    try {
      pbuffer = new Pbuffer(width, height, new PixelFormat(16, 0, 0, 0, 0), null, null);

      // Initialise state of the pbuffer context.
      pbuffer.makeCurrent();

      PbufferTest.initGLState(width, height, 0.5f);
      GL11.glBindTexture(GL11.GL_TEXTURE_2D, texID);

      Display.makeCurrent();
    } catch (LWJGLException e) {
      e.printStackTrace();
      System.exit(-1);
    }

    return pbuffer;
  }

  public void updateTexture() {
    // Copy the pbuffer contents to the texture.
    GL11.glCopyTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, 0, 0, width, height, 0);
  }

}
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