diff options
Diffstat (limited to 'src/net/java/games/jogl')
-rw-r--r-- | src/net/java/games/jogl/Animator.java | 50 |
1 files changed, 27 insertions, 23 deletions
diff --git a/src/net/java/games/jogl/Animator.java b/src/net/java/games/jogl/Animator.java index d21d483e1..5ab2aad75 100644 --- a/src/net/java/games/jogl/Animator.java +++ b/src/net/java/games/jogl/Animator.java @@ -80,25 +80,25 @@ public class Animator { if (runnable == null) { runnable = new Runnable() { public void run() { - // Try to get OpenGL context optimization since we know we - // will be rendering this one drawable continually from - // this thread; make the context current once instead of - // making it current and freeing it each frame. - drawable.setRenderingThread(Thread.currentThread()); - - // Since setRenderingThread is currently advisory (because - // of the poor JAWT implementation in the Motif AWT, which - // performs excessive locking) we also prevent repaint(), - // which is called from the AWT thread, from having an - // effect for better multithreading behavior. This call is - // not strictly necessary, but if end users write their - // own animation loops which update multiple drawables per - // tick then it may be necessary to enforce the order of - // updates. - drawable.setNoAutoRedrawMode(true); - boolean noException = false; try { + // Try to get OpenGL context optimization since we know we + // will be rendering this one drawable continually from + // this thread; make the context current once instead of + // making it current and freeing it each frame. + drawable.setRenderingThread(Thread.currentThread()); + + // Since setRenderingThread is currently advisory (because + // of the poor JAWT implementation in the Motif AWT, which + // performs excessive locking) we also prevent repaint(), + // which is called from the AWT thread, from having an + // effect for better multithreading behavior. This call is + // not strictly necessary, but if end users write their + // own animation loops which update multiple drawables per + // tick then it may be necessary to enforce the order of + // updates. + drawable.setNoAutoRedrawMode(true); + while (!shouldStop) { noException = false; drawable.display(); @@ -107,14 +107,18 @@ public class Animator { } finally { shouldStop = false; drawable.setNoAutoRedrawMode(false); - if (noException) { - try { + try { + // The surface is already unlocked and rendering + // thread is already null if an exception occurred + // during display(), so don't disable the rendering + // thread again. + if (noException) { drawable.setRenderingThread(null); - } finally { + } + } finally { + synchronized (Animator.this) { thread = null; - synchronized (Animator.this) { - Animator.this.notify(); - } + Animator.this.notify(); } } } |