/* | |
* Copyright (c) 2009-2010 jMonkeyEngine | |
* 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 'jMonkeyEngine' 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 com.jme3.system.lwjgl; | |
import com.jme3.input.JoyInput; | |
import com.jme3.input.KeyInput; | |
import com.jme3.input.MouseInput; | |
import com.jme3.input.TouchInput; | |
import com.jme3.input.dummy.DummyKeyInput; | |
import com.jme3.input.dummy.DummyMouseInput; | |
import java.util.concurrent.atomic.AtomicBoolean; | |
import java.util.logging.Level; | |
import java.util.logging.Logger; | |
import org.lwjgl.LWJGLException; | |
import org.lwjgl.Sys; | |
import org.lwjgl.opengl.*; | |
public class LwjglOffscreenBuffer extends LwjglContext implements Runnable { | |
private static final Logger logger = Logger.getLogger(LwjglOffscreenBuffer.class.getName()); | |
private Pbuffer pbuffer; | |
protected AtomicBoolean needClose = new AtomicBoolean(false); | |
private int width; | |
private int height; | |
private PixelFormat pixelFormat; | |
protected void initInThread(){ | |
if ((Pbuffer.getCapabilities() & Pbuffer.PBUFFER_SUPPORTED) == 0){ | |
logger.severe("Offscreen surfaces are not supported."); | |
return; | |
} | |
int samples = 0; | |
if (settings.getSamples() > 1){ | |
samples = settings.getSamples(); | |
} | |
pixelFormat = new PixelFormat(settings.getBitsPerPixel(), | |
0, | |
settings.getDepthBits(), | |
settings.getStencilBits(), | |
settings.getSamples()); | |
width = settings.getWidth(); | |
height = settings.getHeight(); | |
try{ | |
Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() { | |
public void uncaughtException(Thread thread, Throwable thrown) { | |
listener.handleError("Uncaught exception thrown in "+thread.toString(), thrown); | |
} | |
}); | |
pbuffer = new Pbuffer(width, height, pixelFormat, null, null, createContextAttribs()); | |
pbuffer.makeCurrent(); | |
renderable.set(true); | |
logger.info("Offscreen buffer created."); | |
printContextInitInfo(); | |
} catch (LWJGLException ex){ | |
listener.handleError("Failed to create display", ex); | |
} finally { | |
// TODO: It is possible to avoid "Failed to find pixel format" | |
// error here by creating a default display. | |
} | |
super.internalCreate(); | |
listener.initialize(); | |
} | |
protected boolean checkGLError(){ | |
try { | |
Util.checkGLError(); | |
} catch (OpenGLException ex){ | |
listener.handleError("An OpenGL error has occured!", ex); | |
} | |
// NOTE: Always return true since this is used in an "assert" statement | |
return true; | |
} | |
protected void runLoop(){ | |
if (!created.get()) | |
throw new IllegalStateException(); | |
if (pbuffer.isBufferLost()){ | |
pbuffer.destroy(); | |
try{ | |
pbuffer = new Pbuffer(width, height, pixelFormat, null); | |
pbuffer.makeCurrent(); | |
}catch (LWJGLException ex){ | |
listener.handleError("Failed to restore pbuffer content", ex); | |
} | |
} | |
listener.update(); | |
assert checkGLError(); | |
renderer.onFrame(); | |
int frameRate = settings.getFrameRate(); | |
if (frameRate >= 1){ | |
Display.sync(frameRate); | |
} | |
} | |
protected void deinitInThread(){ | |
renderable.set(false); | |
listener.destroy(); | |
renderer.cleanup(); | |
pbuffer.destroy(); | |
logger.info("Offscreen buffer destroyed."); | |
} | |
public void run(){ | |
logger.log(Level.INFO, "Using LWJGL {0}", Sys.getVersion()); | |
initInThread(); | |
while (!needClose.get()){ | |
runLoop(); | |
} | |
deinitInThread(); | |
} | |
public void destroy(boolean waitFor){ | |
needClose.set(true); | |
if (waitFor) | |
waitFor(false); | |
} | |
public void create(boolean waitFor){ | |
if (created.get()){ | |
logger.warning("create() called when pbuffer is already created!"); | |
return; | |
} | |
new Thread(this, "LWJGL Renderer Thread").start(); | |
if (waitFor) | |
waitFor(true); | |
} | |
public void restart() { | |
} | |
public void setAutoFlushFrames(boolean enabled){ | |
} | |
public Type getType() { | |
return Type.OffscreenSurface; | |
} | |
public MouseInput getMouseInput() { | |
return new DummyMouseInput(); | |
} | |
public KeyInput getKeyInput() { | |
return new DummyKeyInput(); | |
} | |
public JoyInput getJoyInput() { | |
return null; | |
} | |
public TouchInput getTouchInput() { | |
return null; | |
} | |
public void setTitle(String title) { | |
} | |
} |