/** * Copyright 2011 JogAmp Community. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. 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. * * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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. * * The views and conclusions contained in the software and documentation are those of the * authors and should not be interpreted as representing official policies, either expressed * or implied, of JogAmp Community. */ package jogamp.opengl; import java.util.ArrayList; import javax.media.nativewindow.NativeWindowException; import javax.media.opengl.GL2GL3; import javax.media.opengl.GLDebugListener; import javax.media.opengl.GLDebugMessage; import javax.media.opengl.GLException; import com.jogamp.gluegen.runtime.ProcAddressTable; import jogamp.opengl.gl4.GL4bcProcAddressTable; /** * The GLDebugMessageHandler, handling <i>GL_ARB_debug_output</i> or <i>GL_AMD_debug_output</i> * debug messages.<br> * * <p>An instance must be bound to the current thread's GLContext to achieve thread safety.</p> * * <p>A native callback function is registered at {@link #enable(boolean) enable(true)}, * which forwards received messages to the added {@link GLDebugListener} directly. * Hence the {@link GLDebugListener#messageSent(GLDebugMessage)} implementation shall * return as fast as possible.</p> * * <p>In case no <i>GL_ARB_debug_output</i> is available, but <i>GL_AMD_debug_output</i>, * the messages are translated to <i>ARB</i> {@link GLDebugMessage}, using {@link GLDebugMessage#translateAMDEvent(javax.media.opengl.GLContext, long, int, int, int, String)}.</p> */ public class GLDebugMessageHandler { /** Extension <i>GL_ARB_debug_output</i> implementing GLDebugMessage */ public static final String GL_ARB_debug_output = "GL_ARB_debug_output".intern(); /** Extension <i>GL_AMD_debug_output</i> implementing GLDebugMessage */ public static final String GL_AMD_debug_output = "GL_AMD_debug_output".intern(); private static final boolean DEBUG = Debug.debug("GLDebugMessageHandler"); private static final int EXT_ARB = 1; private static final int EXT_AMD = 2; static { if ( !initIDs0() ) { throw new NativeWindowException("Failed to initialize GLDebugMessageHandler jmethodIDs"); } } private final GLContextImpl ctx; private final ListenerSyncedImplStub<GLDebugListener> listenerImpl; // licefycle: init - EOL private String extName; private int extType; private long glDebugMessageCallbackProcAddress; private boolean extAvailable; private boolean synchronous; // licefycle: enable - disable/EOL private long handle; /** * @param ctx the associated GLContext * @param glDebugExtension chosen extension to use */ public GLDebugMessageHandler(GLContextImpl ctx) { this.ctx = ctx; this.listenerImpl = new ListenerSyncedImplStub<GLDebugListener>(); this.glDebugMessageCallbackProcAddress = 0; this.extName = null; this.extType = 0; this.extAvailable = false; this.handle = 0; this.synchronous = true; } public void init(boolean enable) { init(); if(isAvailable()) { enableImpl(enable); } } public void init() { ctx.validateCurrent(); if( isAvailable()) { return; } if( ctx.isExtensionAvailable(GL_ARB_debug_output) ) { extName = GL_ARB_debug_output; extType = EXT_ARB; } else if( ctx.isExtensionAvailable(GL_AMD_debug_output) ) { extName = GL_AMD_debug_output; extType = EXT_AMD; } if(DEBUG) { System.err.println("GLDebugMessageHandler: Using extension: <"+extName+">"); } if(0 == extType) { if(DEBUG) { System.err.println("GLDebugMessageHandler: No extension available!"); } return; } final ProcAddressTable procAddressTable = ctx.getGLProcAddressTable(); if( procAddressTable instanceof GL4bcProcAddressTable) { final GL4bcProcAddressTable desktopProcAddressTable = (GL4bcProcAddressTable)procAddressTable; switch(extType) { case EXT_ARB: glDebugMessageCallbackProcAddress = desktopProcAddressTable._addressof_glDebugMessageCallbackARB; break; case EXT_AMD: glDebugMessageCallbackProcAddress = desktopProcAddressTable._addressof_glDebugMessageCallbackAMD; break; } } else { if(DEBUG) { System.err.println("Non desktop context not supported"); } } extAvailable = 0 < extType && null != extName && 0 != glDebugMessageCallbackProcAddress; if(DEBUG) { System.err.println("GLDebugMessageHandler: extAvailable: "+extAvailable+", glDebugMessageCallback* : 0x"+Long.toHexString(glDebugMessageCallbackProcAddress)); } if(!extAvailable) { glDebugMessageCallbackProcAddress = 0; } handle = 0; } public final boolean isAvailable() { return extAvailable; } /** * @return The extension implementing the GLDebugMessage feature, * either {@link #GL_ARB_debug_output} or {@link #GL_AMD_debug_output}. * If unavailable <i>null</i> is returned. */ public final String getExtension() { return extName; } public final boolean isExtensionARB() { return extName == GL_ARB_debug_output; } public final boolean isExtensionAMD() { return extName == GL_AMD_debug_output; } /** * @see javax.media.opengl.GLContext#isGLDebugSynchronous() */ public final boolean isSynchronous() { return synchronous; } /** * @see javax.media.opengl.GLContext#setGLDebugSynchronous(boolean) */ public final void setSynchronous(boolean synchronous) { this.synchronous = synchronous; if(isEnabled() && isExtensionARB()) { setSynchronousImpl(); } } private final void setSynchronousImpl() { if(isExtensionARB()) { if(synchronous) { ctx.getGL().glEnable(GL2GL3.GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB); } else { ctx.getGL().glDisable(GL2GL3.GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB); } if(DEBUG) { System.err.println("GLDebugMessageHandler: synchronous "+synchronous); } } } /** * @see javax.media.opengl.GLContext#enableGLDebugMessage(boolean) */ public final void enable(boolean enable) throws GLException { ctx.validateCurrent(); if(!isAvailable()) { return; } enableImpl(enable); } final void enableImpl(boolean enable) throws GLException { setSynchronousImpl(); if(enable) { if(0 == handle) { handle = register0(glDebugMessageCallbackProcAddress, extType); if(0 == handle) { throw new GLException("Failed to register via \"glDebugMessageCallback*\" using "+extName); } } } else { if(0 != handle) { unregister0(glDebugMessageCallbackProcAddress, handle); handle = 0; } } if(DEBUG) { System.err.println("GLDebugMessageHandler: enable("+enable+") -> 0x" + Long.toHexString(handle)); } } public final boolean isEnabled() { return 0 != handle; } public final int listenerSize() { return listenerImpl.size(); } public final void addListener(GLDebugListener listener) { listenerImpl.addListener(-1, listener); } public final void addListener(int index, GLDebugListener listener) { listenerImpl.addListener(index, listener); } public final void removeListener(GLDebugListener listener) { listenerImpl.removeListener(listener); } private final void sendMessage(GLDebugMessage msg) { synchronized(listenerImpl) { if(DEBUG) { System.err.println("GLDebugMessageHandler: "+msg); } final ArrayList<GLDebugListener> listeners = listenerImpl.getListeners(); for(int i=0; i<listeners.size(); i++) { listeners.get(i).messageSent(msg); } } } public static class StdErrGLDebugListener implements GLDebugListener { boolean threadDump; public StdErrGLDebugListener(boolean threadDump) { this.threadDump = threadDump; } public void messageSent(GLDebugMessage event) { System.err.println(event); if(threadDump) { Thread.dumpStack(); } } } // // native -> java // protected final void glDebugMessageARB(int source, int type, int id, int severity, String msg) { final GLDebugMessage event = new GLDebugMessage(ctx, System.currentTimeMillis(), source, type, id, severity, msg); sendMessage(event); } protected final void glDebugMessageAMD(int id, int category, int severity, String msg) { final GLDebugMessage event = GLDebugMessage.translateAMDEvent(ctx, System.currentTimeMillis(), id, category, severity, msg); sendMessage(event); } // // java -> native // private static native boolean initIDs0(); private native long register0(long glDebugMessageCallbackProcAddress, int extType); private native void unregister0(long glDebugMessageCallbackProcAddress, long handle); }