diff options
Diffstat (limited to 'src/jogl/classes/javax/media/opengl')
| -rw-r--r-- | src/jogl/classes/javax/media/opengl/GLAutoDrawableDelegate.java | 44 | ||||
| -rw-r--r-- | src/jogl/classes/javax/media/opengl/awt/GLCanvas.java | 317 |
2 files changed, 191 insertions, 170 deletions
diff --git a/src/jogl/classes/javax/media/opengl/GLAutoDrawableDelegate.java b/src/jogl/classes/javax/media/opengl/GLAutoDrawableDelegate.java index 1f6166719..76959f3f4 100644 --- a/src/jogl/classes/javax/media/opengl/GLAutoDrawableDelegate.java +++ b/src/jogl/classes/javax/media/opengl/GLAutoDrawableDelegate.java @@ -67,18 +67,18 @@ public class GLAutoDrawableDelegate extends GLAutoDrawableBase { } // - // make protected methods accessible + // expose default methods // - public void defaultWindowRepaintOp() { + public final void windowRepaintOp() { super.defaultWindowRepaintOp(); } - public void defaultWindowResizedOp() { + public final void windowResizedOp() { super.defaultWindowResizedOp(); } - public void defaultWindowDestroyNotifyOp() { + public final void windowDestroyNotifyOp() { super.defaultWindowDestroyNotifyOp(); } @@ -90,6 +90,9 @@ public class GLAutoDrawableDelegate extends GLAutoDrawableBase { private final Object upstreamWidget; @Override + protected final RecursiveLock getLock() { return lock; } + + @Override public final Object getUpstreamWidget() { return upstreamWidget; } @@ -97,39 +100,21 @@ public class GLAutoDrawableDelegate extends GLAutoDrawableBase { /** * {@inheritDoc} * <p> - * This implementation calls {@link #defaultDestroyOp()}. + * This implementation calls {@link #defaultDestroy()}. * </p> * <p> * User still needs to destroy the upstream window, which details are hidden from this aspect. + * This can be performed by overriding {@link #destroyImplInLock()}. * </p> */ @Override - public void destroy() { - lock.lock(); - try { - defaultDestroyOp(); - } finally { - lock.unlock(); - } + public final void destroy() { + defaultDestroy(); } @Override public void display() { - if( sendDestroy ) { - sendDestroy=false; - destroy(); - return; - } - - lock.lock(); // sync: context/drawable could been recreated/destroyed while animating - try { - if( null != drawable && drawable.isRealized() && null != context ) { - // surface is locked/unlocked implicit by context's makeCurrent/release - helper.invokeGL(drawable, context, defaultDisplayAction, defaultInitAction); - } - } finally { - lock.unlock(); - } + defaultDisplay(); } // @@ -145,4 +130,9 @@ public class GLAutoDrawableDelegate extends GLAutoDrawableBase { public final void setRealized(boolean realized) { } + @Override + public final void swapBuffers() throws GLException { + defaultSwapBuffers(); + } + } diff --git a/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java b/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java index c2e36ef9b..694a081b8 100644 --- a/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java +++ b/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java @@ -84,6 +84,8 @@ import javax.media.opengl.Threading; import com.jogamp.common.GlueGenVersion; import com.jogamp.common.util.VersionUtil; +import com.jogamp.common.util.locks.LockFactory; +import com.jogamp.common.util.locks.RecursiveLock; import com.jogamp.nativewindow.awt.AWTGraphicsConfiguration; import com.jogamp.nativewindow.awt.AWTGraphicsDevice; import com.jogamp.nativewindow.awt.AWTGraphicsScreen; @@ -132,20 +134,6 @@ import jogamp.opengl.GLDrawableHelper; * <ul> * <li><pre>sun.awt.noerasebackground=true</pre></li> * </ul> - * <p> - * FIXME: If this instance runs in multithreading mode, see {@link Threading#isSingleThreaded()} (default: single-thread), - * proper recursive locking is required for drawable/context @ destroy and display. - * Recreation etc could pull those instances while animating! - * Simply locking before using drawable/context offthread - * would allow a deadlock situation! - * </p> - * <p> - * NOTE: [MT-0] Methods utilizing [volatile] drawable/context are not synchronized. - In case any of the methods are called outside of a locked state - extra care should be added. Maybe we shall expose locking facilities to the user. - However, since the user shall stick to the GLEventListener model while utilizing - GLAutoDrawable implementations, she is safe due to the implicit locked state. - * </p> */ @SuppressWarnings("serial") @@ -153,11 +141,12 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing private static final boolean DEBUG = Debug.debug("GLCanvas"); + private final RecursiveLock lock = LockFactory.createRecursiveLock(); private final GLDrawableHelper helper = new GLDrawableHelper(); private AWTGraphicsConfiguration awtConfig; - private volatile GLDrawable drawable; // volatile avoids locking all accessors. FIXME still need to sync destroy/display + private volatile GLDrawable drawable; // volatile: avoid locking for read-only access private GLContextImpl context; - private boolean sendReshape = false; + private volatile boolean sendReshape = false; // volatile: maybe written by EDT w/o locking // copy of the cstr args, mainly for recreation private GLCapabilitiesImmutable capsReqUser; @@ -278,8 +267,9 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @Override public final boolean isOffscreenLayerSurfaceEnabled() { - if(null != drawable) { - return ((JAWTWindow)drawable.getNativeSurface()).isOffscreenLayerSurfaceEnabled(); + final GLDrawable _drawable = drawable; + if(null != _drawable) { + return ((JAWTWindow)_drawable.getNativeSurface()).isOffscreenLayerSurfaceEnabled(); } return false; } @@ -398,12 +388,18 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @Override public GLContext createContext(final GLContext shareWith) { - if(drawable != null) { - final GLContext _ctx = drawable.createContext(shareWith); - _ctx.setContextCreationFlags(additionalCtxCreationFlags); - return _ctx; + final RecursiveLock _lock = lock; + _lock.lock(); + try { + if(drawable != null) { + final GLContext _ctx = drawable.createContext(shareWith); + _ctx.setContextCreationFlags(additionalCtxCreationFlags); + return _ctx; + } + return null; + } finally { + _lock.unlock(); } - return null; } @Override @@ -412,7 +408,8 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @Override public boolean isRealized() { - return (null != drawable) ? drawable.isRealized() : false; + final GLDrawable _drawable = drawable; + return ( null != _drawable ) ? _drawable.isRealized() : false; } @Override @@ -427,50 +424,13 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @Override public void display() { - if( !validateGLDrawable() ) { - if(DEBUG) { - System.err.println(getThreadName()+": Info: GLCanvas display - skipped GL render, drawable not valid yet"); - } - return; // not yet available .. - } Threading.invoke(true, displayOnEDTAction, getTreeLock()); - awtWindowClosingProtocol.addClosingListenerOneShot(); } private void dispose(boolean regenerate) { - final GLAnimatorControl animator = getAnimator(); - if(DEBUG) { - System.err.println(getThreadName()+": Info: dispose("+regenerate+") - START, hasContext " + - (null!=context) + ", hasDrawable " + (null!=drawable)+", "+animator); - Thread.dumpStack(); - } - - if(null!=drawable && null!=context) { // drawable is volatile! - boolean animatorPaused = false; - if(null!=animator) { - // can't remove us from animator for recreational addNotify() - animatorPaused = animator.pause(); - } - - disposeRegenerate=regenerate; - - if(context.isCreated()) { - Threading.invoke(true, disposeOnEDTAction, getTreeLock()); - } - - if(animatorPaused) { - animator.resume(); - } - } - - if(!regenerate) { - disposeAbstractGraphicsDevice(); - } - - if(DEBUG) { - System.err.println(getThreadName()+": dispose("+regenerate+") - END, "+animator); - } + disposeRegenerate=regenerate; + Threading.invoke(true, disposeOnEDTAction, getTreeLock()); } /** @@ -530,43 +490,49 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @SuppressWarnings("deprecation") @Override public void addNotify() { - if(DEBUG) { - System.err.println(getThreadName()+": Info: addNotify - start, bounds: "+this.getBounds()); - Thread.dumpStack(); - } - - /** - * 'super.addNotify()' determines the GraphicsConfiguration, - * while calling this class's overriden 'getGraphicsConfiguration()' method - * after which it creates the native peer. - * Hence we have to set the 'awtConfig' before since it's GraphicsConfiguration - * is being used in getGraphicsConfiguration(). - * This code order also allows recreation, ie re-adding the GLCanvas. - */ - awtConfig = chooseGraphicsConfiguration(capsReqUser, capsReqUser, chooser, device); - if(null==awtConfig) { - throw new GLException("Error: NULL AWTGraphicsConfiguration"); - } - - // before native peer is valid: X11 - disableBackgroundErase(); - - // issues getGraphicsConfiguration() and creates the native peer - super.addNotify(); - - // after native peer is valid: Windows - disableBackgroundErase(); - - if (!Beans.isDesignTime()) { - createDrawableAndContext(); - } - - // init drawable by paint/display makes the init sequence more equal - // for all launch flavors (applet/javaws/..) - // validateGLDrawable(); - - if(DEBUG) { - System.err.println(getThreadName()+": Info: addNotify - end: peer: "+getPeer()); + final RecursiveLock _lock = lock; + _lock.lock(); + try { + if(DEBUG) { + System.err.println(getThreadName()+": Info: addNotify - start, bounds: "+this.getBounds()); + Thread.dumpStack(); + } + + /** + * 'super.addNotify()' determines the GraphicsConfiguration, + * while calling this class's overriden 'getGraphicsConfiguration()' method + * after which it creates the native peer. + * Hence we have to set the 'awtConfig' before since it's GraphicsConfiguration + * is being used in getGraphicsConfiguration(). + * This code order also allows recreation, ie re-adding the GLCanvas. + */ + awtConfig = chooseGraphicsConfiguration(capsReqUser, capsReqUser, chooser, device); + if(null==awtConfig) { + throw new GLException("Error: NULL AWTGraphicsConfiguration"); + } + + // before native peer is valid: X11 + disableBackgroundErase(); + + // issues getGraphicsConfiguration() and creates the native peer + super.addNotify(); + + // after native peer is valid: Windows + disableBackgroundErase(); + + if (!Beans.isDesignTime()) { + createDrawableAndContext(); + } + + // init drawable by paint/display makes the init sequence more equal + // for all launch flavors (applet/javaws/..) + // validateGLDrawable(); + + if(DEBUG) { + System.err.println(getThreadName()+": Info: addNotify - end: peer: "+getPeer()); + } + } finally { + _lock.unlock(); } } @@ -585,23 +551,24 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing } private boolean validateGLDrawable() { - boolean realized = false; - if (!Beans.isDesignTime()) { - if ( null != drawable ) { // OK: drawable is volatile - realized = drawable.isRealized(); - if ( !realized && 0 < drawable.getWidth() * drawable.getHeight() ) { - // make sure drawable realization happens on AWT EDT, due to AWTTree lock - AWTEDTExecutor.singleton.invoke(true, setRealizedOnEDTAction); - realized = true; - sendReshape=true; // ensure a reshape is being send .. - if(DEBUG) { - System.err.println(getThreadName()+": Realized Drawable: "+drawable.toString()); - Thread.dumpStack(); - } + final GLDrawable _drawable = drawable; + if ( null != _drawable ) { + if( _drawable.isRealized() ) { + return true; + } + if (!Beans.isDesignTime() && + 0 < _drawable.getWidth() * _drawable.getHeight() ) { + // make sure drawable realization happens on AWT EDT, due to AWTTree lock + AWTEDTExecutor.singleton.invoke(true, setRealizedOnEDTAction); + sendReshape=true; // ensure a reshape is being send .. + if(DEBUG) { + System.err.println(getThreadName()+": Realized Drawable: "+_drawable.toString()); + Thread.dumpStack(); } + return true; } } - return realized; + return false; } private Runnable setRealizedOnEDTAction = new Runnable() { @Override @@ -633,9 +600,6 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing try { dispose(false); } finally { - context=null; - drawable=null; - awtConfig=null; super.removeNotify(); } } @@ -655,7 +619,8 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @Override public void reshape(int x, int y, int width, int height) { super.reshape(x, y, width, height); - if(null != drawable && drawable.isRealized() && !drawable.getChosenGLCapabilities().isOnscreen()) { + final GLDrawable _drawable = drawable; + if(null != _drawable && _drawable.isRealized() && !_drawable.getChosenGLCapabilities().isOnscreen()) { dispose(true); } else { sendReshape = true; @@ -710,13 +675,19 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @Override public GLContext setContext(GLContext newCtx) { - final GLContext oldCtx = context; - final boolean newCtxCurrent = helper.switchContext(drawable, oldCtx, newCtx, additionalCtxCreationFlags); - context=(GLContextImpl)newCtx; - if(newCtxCurrent) { - context.makeCurrent(); + final RecursiveLock _lock = lock; + _lock.lock(); + try { + final GLContext oldCtx = context; + final boolean newCtxCurrent = helper.switchContext(drawable, oldCtx, newCtx, additionalCtxCreationFlags); + context=(GLContextImpl)newCtx; + if(newCtxCurrent) { + context.makeCurrent(); + } + return oldCtx; + } finally { + _lock.unlock(); } - return oldCtx; } @Override @@ -729,15 +700,15 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing if (Beans.isDesignTime()) { return null; } - GLContext ctx = getContext(); - return (ctx == null) ? null : ctx.getGL(); + final GLContext _context = context; + return (_context == null) ? null : _context.getGL(); } @Override public GL setGL(GL gl) { - GLContext ctx = getContext(); - if (ctx != null) { - ctx.setGL(gl); + final GLContext _context = context; + if (_context != null) { + _context.setGL(gl); return gl; } return null; @@ -762,8 +733,9 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @Override public void setContextCreationFlags(int flags) { additionalCtxCreationFlags = flags; - if(null != context) { - context.setContextCreationFlags(additionalCtxCreationFlags); + final GLContext _context = context; + if(null != _context) { + _context.setContextCreationFlags(additionalCtxCreationFlags); } } @@ -796,26 +768,30 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing @Override public NativeSurface getNativeSurface() { - return (null != drawable) ? drawable.getNativeSurface() : null; + final GLDrawable _drawable = drawable; + return (null != _drawable) ? _drawable.getNativeSurface() : null; } @Override public long getHandle() { - return (null != drawable) ? drawable.getHandle() : 0; + final GLDrawable _drawable = drawable; + return (null != _drawable) ? _drawable.getHandle() : 0; } @Override public GLDrawableFactory getFactory() { - return (null != drawable) ? drawable.getFactory() : null; + final GLDrawable _drawable = drawable; + return (null != _drawable) ? _drawable.getFactory() : null; } @Override public String toString() { - final int dw = (null!=drawable) ? drawable.getWidth() : -1; - final int dh = (null!=drawable) ? drawable.getHeight() : -1; + final GLDrawable _drawable = drawable; + final int dw = (null!=_drawable) ? _drawable.getWidth() : -1; + final int dh = (null!=_drawable) ? _drawable.getHeight() : -1; return "AWT-GLCanvas[Realized "+isRealized()+ - ",\n\t"+((null!=drawable)?drawable.getClass().getName():"null-drawable")+ + ",\n\t"+((null!=_drawable)?_drawable.getClass().getName():"null-drawable")+ ",\n\tFactory "+getFactory()+ ",\n\thandle 0x"+Long.toHexString(getHandle())+ ",\n\tDrawable size "+dw+"x"+dh+ @@ -829,7 +805,7 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing // private boolean disposeRegenerate; - private final Runnable postDisposeAction = new Runnable() { + private final Runnable postDisposeOnEDTAction = new Runnable() { @Override public void run() { context=null; @@ -859,7 +835,47 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing private final Runnable disposeOnEDTAction = new Runnable() { @Override public void run() { - helper.disposeGL(GLCanvas.this, drawable, context, postDisposeAction); + final RecursiveLock _lock = lock; + _lock.lock(); + try { + final GLAnimatorControl animator = getAnimator(); + + if(DEBUG) { + System.err.println(getThreadName()+": Info: dispose("+disposeRegenerate+") - START, hasContext " + + (null!=context) + ", hasDrawable " + (null!=drawable)+", "+animator); + Thread.dumpStack(); + } + + if(null!=drawable && null!=context) { + boolean animatorPaused = false; + if(null!=animator) { + // can't remove us from animator for recreational addNotify() + animatorPaused = animator.pause(); + } + + if(context.isCreated()) { + helper.disposeGL(GLCanvas.this, drawable, context, postDisposeOnEDTAction); + } + + if(animatorPaused) { + animator.resume(); + } + } + + if(!disposeRegenerate) { + if(null != awtConfig) { + disposeAbstractGraphicsDevice(); + } + awtConfig=null; + } + + if(DEBUG) { + System.err.println(getThreadName()+": dispose("+disposeRegenerate+") - END, "+animator); + } + + } finally { + _lock.unlock(); + } } }; @@ -879,7 +895,6 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing if(DEBUG) { System.err.println(getThreadName()+": GLCanvas.dispose(false): closed GraphicsDevice: "+adeviceMsg+", result: "+closed); } - awtConfig=null; } } }; @@ -890,7 +905,7 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing * * @see #chooseGraphicsConfiguration(javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser, java.awt.GraphicsDevice) */ - void disposeAbstractGraphicsDevice() { + private void disposeAbstractGraphicsDevice() { if( EventQueue.isDispatchThread() || Thread.holdsLock(getTreeLock()) ) { disposeAbstractGraphicsDeviceAction.run(); } else { @@ -941,14 +956,30 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing private final Runnable displayOnEDTAction = new Runnable() { @Override public void run() { - helper.invokeGL(drawable, context, displayAction, initAction); + final RecursiveLock _lock = lock; + _lock.lock(); + try { + if( validateGLDrawable() ) { + helper.invokeGL(drawable, context, displayAction, initAction); + } else if(DEBUG) { + System.err.println(getThreadName()+": Info: GLCanvas display - skipped GL render, drawable not valid yet"); + } + } finally { + _lock.unlock(); + } } }; private final Runnable swapBuffersOnEDTAction = new Runnable() { @Override public void run() { - helper.invokeGL(drawable, context, swapBuffersAction, initAction); + final RecursiveLock _lock = lock; + _lock.lock(); + try { + helper.invokeGL(drawable, context, swapBuffersAction, initAction); + } finally { + _lock.unlock(); + } } }; |