diff options
Diffstat (limited to 'src/jogl/classes/com')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java | 73 | ||||
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/util/GLDrawableUtil.java | 241 |
2 files changed, 301 insertions, 13 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java index 33322628d..ea794cc78 100644 --- a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java +++ b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java @@ -216,6 +216,26 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { } }; + private class DisposeGLEventListenerAction implements Runnable { + private GLEventListener listener; + private boolean remove; + private DisposeGLEventListenerAction(GLEventListener listener, boolean remove) { + this.listener = listener; + this.remove = remove; + } + + @Override + public void run() { + final RecursiveLock _lock = lock; + _lock.lock(); + try { + listener = helper.disposeGLEventListener(GLCanvas.this, drawable, context, listener, remove); + } finally { + _lock.unlock(); + } + } + }; + /** * Storage for the client area rectangle so that it may be accessed from outside of the SWT thread. */ @@ -302,7 +322,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { addPaintListener(new PaintListener() { @Override public void paintControl(final PaintEvent arg0) { - if ( !helper.isExternalAnimatorAnimating() ) { + if ( !helper.isAnimatorAnimatingOnOtherThread() ) { display(); // checks: null != drawable } } @@ -439,13 +459,45 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { } @Override - public void addGLEventListener(final GLEventListener arg0) { - helper.addGLEventListener(arg0); + public void addGLEventListener(final GLEventListener listener) { + helper.addGLEventListener(listener); } @Override - public void addGLEventListener(final int arg0, final GLEventListener arg1) throws IndexOutOfBoundsException { - helper.addGLEventListener(arg0, arg1); + public void addGLEventListener(final int idx, final GLEventListener listener) throws IndexOutOfBoundsException { + helper.addGLEventListener(idx, listener); + } + + @Override + public int getGLEventListenerCount() { + return helper.getGLEventListenerCount(); + } + + @Override + public GLEventListener getGLEventListener(int index) throws IndexOutOfBoundsException { + return helper.getGLEventListener(index); + } + + @Override + public boolean getGLEventListenerInitState(GLEventListener listener) { + return helper.getGLEventListenerInitState(listener); + } + + @Override + public void setGLEventListenerInitState(GLEventListener listener, boolean initialized) { + helper.setGLEventListenerInitState(listener, initialized); + } + + @Override + public GLEventListener disposeGLEventListener(GLEventListener listener, boolean remove) { + final DisposeGLEventListenerAction r = new DisposeGLEventListenerAction(listener, remove); + runInGLThread(r); + return r.listener; + } + + @Override + public GLEventListener removeGLEventListener(final GLEventListener listener) { + return helper.removeGLEventListener(listener); } /** @@ -496,18 +548,13 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { public boolean invoke(final boolean wait, final GLRunnable run) { return helper.invoke(this, wait, run); } - + @Override - public void removeGLEventListener(final GLEventListener arg0) { - helper.removeGLEventListener(arg0); + public void enqueue(GLRunnable glRunnable) { + helper.enqueue(glRunnable); } @Override - public GLEventListener removeGLEventListener(int index) throws IndexOutOfBoundsException { - return helper.removeGLEventListener(index); - } - - @Override public void setAnimator(final GLAnimatorControl arg0) throws GLException { helper.setAnimator(arg0); } diff --git a/src/jogl/classes/com/jogamp/opengl/util/GLDrawableUtil.java b/src/jogl/classes/com/jogamp/opengl/util/GLDrawableUtil.java new file mode 100644 index 000000000..8197be4f5 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/util/GLDrawableUtil.java @@ -0,0 +1,241 @@ +/** + * Copyright 2012 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 com.jogamp.opengl.util; + +import javax.media.opengl.GLAnimatorControl; +import javax.media.opengl.GLAutoDrawable; +import javax.media.opengl.GLContext; +import javax.media.opengl.GLDrawable; +import javax.media.opengl.GLEventListener; +import javax.media.opengl.GLRunnable; + +import jogamp.opengl.Debug; + +/** + * Providing utility functions dealing w/ {@link GLDrawable}s, {@link GLAutoDrawable} and their {@link GLEventListener}. + */ +public class GLDrawableUtil { + protected static final boolean DEBUG = Debug.debug("GLDrawable"); + + public static final boolean isAnimatorStartedOnOtherThread(GLAnimatorControl animatorCtrl) { + return ( null != animatorCtrl ) ? animatorCtrl.isStarted() && animatorCtrl.getThread() != Thread.currentThread() : false ; + } + + public static final boolean isAnimatorStarted(GLAnimatorControl animatorCtrl) { + return ( null != animatorCtrl ) ? animatorCtrl.isStarted() : false ; + } + + public static final boolean isAnimatorAnimatingOnOtherThread(GLAnimatorControl animatorCtrl) { + return ( null != animatorCtrl ) ? animatorCtrl.isAnimating() && animatorCtrl.getThread() != Thread.currentThread() : false ; + } + + public static final boolean isAnimatorAnimating(GLAnimatorControl animatorCtrl) { + return ( null != animatorCtrl ) ? animatorCtrl.isAnimating() : false ; + } + + /** + * Moves the designated {@link GLEventListener} from {@link GLAutoDrawable} <code>src</code> to <code>dest</code>. + * If <code>preserveInitState</code> is <code>true</code>, it's initialized state is preserved + * and {@link GLEventListener#reshape(GLAutoDrawable, int, int, int, int) reshape(..)} issued w/ the next {@link GLAutoDrawable#display()} call. + * <p> + * Note that it is only legal to pass <code>preserveInitState := true</code>, + * if the {@link GLContext} of both <code>src</code> and <code>dest</code> are shared, or has itself moved from <code>src</code> to <code>dest</code>. + * </p> + * <p> + * Also note that the caller is encouraged to pause an attached {@link GLAnimatorControl}. + * </p> + * @param src + * @param dest + * @param listener + * @param preserveInitState + */ + public static final void moveGLEventListener(GLAutoDrawable src, GLAutoDrawable dest, GLEventListener listener, boolean preserveInitState) { + final boolean initialized = src.getGLEventListenerInitState(listener); + src.removeGLEventListener(listener); + dest.addGLEventListener(listener); + if(preserveInitState && initialized) { + dest.setGLEventListenerInitState(listener, true); + dest.enqueue(new ReshapeGLEventListener(listener)); + } // else .. !init state is default + } + + /** + * Moves all {@link GLEventListener} from {@link GLAutoDrawable} <code>src</code> to <code>dest</code>. + * If <code>preserveInitState</code> is <code>true</code>, it's initialized state is preserved + * and {@link GLEventListener#reshape(GLAutoDrawable, int, int, int, int) reshape(..)} issued w/ the next {@link GLAutoDrawable#display()} call. + * <p> + * Note that it is only legal to pass <code>preserveInitState := true</code>, + * if the {@link GLContext} of both <code>src</code> and <code>dest</code> are shared, or has itself moved from <code>src</code> to <code>dest</code>. + * </p> + * <p> + * Also note that the caller is encouraged to pause an attached {@link GLAnimatorControl}. + * </p> + * @param src + * @param dest + * @param listener + * @param preserveInitState + */ + public static final void moveAllGLEventListener(GLAutoDrawable src, GLAutoDrawable dest, boolean preserveInitState) { + for(int count = src.getGLEventListenerCount(); 0<count; count--) { + final GLEventListener listener = src.getGLEventListener(0); + moveGLEventListener(src, dest, listener, preserveInitState); + } + } + + /** + * Swaps the {@link GLContext} and all {@link GLEventListener} between {@link GLAutoDrawable} <code>a</code> and <code>b</code>, + * while preserving it's initialized state, resets the GL-Viewport and issuing {@link GLEventListener#reshape(GLAutoDrawable, int, int, int, int) reshape(..)}. + * <p> + * If an {@link GLAnimatorControl} is being attached to {@link GLAutoDrawable} <code>a</code> or <code>b</code> + * and the current thread is different than {@link GLAnimatorControl#getThread() the animator's thread}, it is paused during the operation. + * </p> + * @param a + * @param b + */ + public static final void swapGLContextAndAllGLEventListener(GLAutoDrawable a, GLAutoDrawable b) { + final GLAnimatorControl aAnim = a.getAnimator(); + final GLAnimatorControl bAnim = b.getAnimator(); + final boolean aIsPaused = isAnimatorAnimatingOnOtherThread(aAnim) && aAnim.pause(); + final boolean bIsPaused = isAnimatorAnimatingOnOtherThread(bAnim) && bAnim.pause(); + + // enqueue reset GL-Viewport + a.enqueue(setViewport); + b.enqueue(setViewport); + + // + // cache all GLEventListener and their init-state + // enqueue reshape on their destination, if already initialized + // + final int aSz = a.getGLEventListenerCount(); + final GLEventListener[] aGLE = new GLEventListener[aSz]; + final boolean[] aInit = new boolean[aSz]; + for(int i=0; i<aSz; i++) { + final GLEventListener l = a.getGLEventListener(0); + final boolean initialized = a.getGLEventListenerInitState(l); + aInit[i] = initialized; + aGLE[i] = a.removeGLEventListener( l ); + if( initialized ) { + b.enqueue(new ReshapeGLEventListener(l)); + } + } + final int bSz = b.getGLEventListenerCount(); + final GLEventListener[] bGLE = new GLEventListener[bSz]; + final boolean[] bInit = new boolean[bSz]; + for(int i=0; i<bSz; i++) { + final GLEventListener l = b.getGLEventListener(0); + final boolean initialized = b.getGLEventListenerInitState(l); + bInit[i] = initialized; + bGLE[i] = b.removeGLEventListener( l ); + if( initialized ) { + a.enqueue(new ReshapeGLEventListener(l)); + } + } + + // switch context and trigger reshape + b.setContext( a.setContext( b.getContext() ) ); + a.display(); + b.display(); + + // add all cached GLEventListener to their destination and fix their init-state + for(int i=0; i<bSz; i++) { + final GLEventListener l = bGLE[i]; + a.addGLEventListener( l ); + if( bInit[i] ) { + a.setGLEventListenerInitState(l, true); + } // else uninitialized is default after add + } + for(int i=0; i<aSz; i++) { + final GLEventListener l = aGLE[i]; + b.addGLEventListener( l ); + if( aInit[i] ) { + b.setGLEventListenerInitState(l, true); + } // else uninitialized is default after add + } + + if(aIsPaused) { aAnim.resume(); } + if(bIsPaused) { bAnim.resume(); } + } + + static GLRunnable setViewport = new GLRunnable() { + @Override + public boolean run(GLAutoDrawable drawable) { + drawable.getGL().glViewport(0, 0, drawable.getWidth(), drawable.getHeight()); + return true; + } + }; + + private static class ReshapeGLEventListener implements GLRunnable { + private GLEventListener listener; + ReshapeGLEventListener(GLEventListener listener) { + this.listener = listener; + } + @Override + public boolean run(GLAutoDrawable drawable) { + listener.reshape(drawable, 0, 0, drawable.getWidth(), drawable.getHeight()); + return true; + } + } + + /** + * Swaps the {@link GLContext} of given {@link GLAutoDrawable} + * and {@link GLAutoDrawable#disposeGLEventListener(GLEventListener, boolean) disposes} + * each {@link GLEventListener} w/o removing it. + * <p> + * The GL-Viewport is reset and {@link GLEventListener#reshape(GLAutoDrawable, int, int, int, int) reshape(..)} issued implicit. + * </p> + * <p> + * If an {@link GLAnimatorControl} is being attached to GLAutoDrawable src or dest and the current thread is different + * than {@link GLAnimatorControl#getThread() the animator's thread}, it is paused during the operation. + * </p> + * @param src + * @param dest + */ + public static final void swapGLContext(GLAutoDrawable src, GLAutoDrawable dest) { + final GLAnimatorControl aAnim = src.getAnimator(); + final GLAnimatorControl bAnim = dest.getAnimator(); + final boolean aIsPaused = isAnimatorAnimatingOnOtherThread(aAnim) && aAnim.pause(); + final boolean bIsPaused = isAnimatorAnimatingOnOtherThread(bAnim) && bAnim.pause(); + + for(int i = src.getGLEventListenerCount() - 1; 0 <= i; i--) { + src.disposeGLEventListener(src.getGLEventListener(i), false); + } + for(int i = dest.getGLEventListenerCount() - 1; 0 <= i; i--) { + dest.disposeGLEventListener(dest.getGLEventListener(i), false); + } + dest.setContext( src.setContext( dest.getContext() ) ); + + src.enqueue(setViewport); + dest.enqueue(setViewport); + src.display(); + dest.display(); + + if(aIsPaused) { aAnim.resume(); } + if(bIsPaused) { bAnim.resume(); } + } + +} |