/*
* 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.Pbuffer;
import org.lwjgl.opengl.PixelFormat;
import org.lwjgl.opengl.RenderTexture;
import static org.lwjgl.opengl.GL11.*;
final class UniqueRendererRTT extends TextureRenderer {
UniqueRendererRTT(final int width, final int height, final int texID) {
super(width, height, texID);
}
// Initialize texture renderer
protected Pbuffer init(final int width, final int height, final int texID) {
Pbuffer pbuffer = null;
try {
final RenderTexture rt = new RenderTexture(true, false, false, false, RenderTexture.RENDER_TEXTURE_2D, 0);
pbuffer = new Pbuffer(width, height, new PixelFormat(16, 0, 0, 0, 0), rt, null);
// Initialise state of the pbuffer context.
pbuffer.makeCurrent();
PbufferTest.initGLState(width, height, 0.5f);
glBindTexture(GL_TEXTURE_2D, texID);
Display.makeCurrent();
} catch (LWJGLException e) {
e.printStackTrace();
System.exit(-1);
}
return pbuffer;
}
void enable() {
super.enable();
// Put the renderer contents to the texture
pbuffer.releaseTexImage(Pbuffer.FRONT_LEFT_BUFFER);
}
void updateTexture() {
// Bind the texture after rendering.
pbuffer.bindTexImage(Pbuffer.FRONT_LEFT_BUFFER);
}
}