Findbugs.not-written.null: Fix referencing non-written fields (never written or due branching)

- AWT TextRenderer: Add throw new InternalError("fontRenderContext never initialized!"); FIXME!
- GLContextImpl.hasFBOImpl(): Fix serious NPE issue if extCache is null
- GLDrawableFactoryImpl.createOffscreenDrawableImpl(..):
  - Fix NPE issue w/ null drawable
  - Fix resetting GammaRamp by ensuring originalGammaRamp will be set at 1st setGammaRamp(..)

- AndroidGLMediaPlayerAPI14: Fix NPE: Use already resolved local referenced
- EGLDrawableFactory: Fix NPE: Only operate on non null surface!
- ALAudioSink.dequeueBuffer(..): Only resolve releasedBuffer elements if not null
-

1 files changed, 11 insertions, 2 deletions

diff --git a/src/newt/classes/jogamp/newt/swt/SWTEDTUtil.java b/src/newt/classes/jogamp/newt/swt/SWTEDTUtil.java
index 4d5d9724a..af5590be6 100644
--- a/src/newt/classes/jogamp/newt/swt/SWTEDTUtil.java
+++ b/src/newt/classes/jogamp/newt/swt/SWTEDTUtil.java
@@ -83,9 +83,18 @@ public class SWTEDTUtil implements EDTUtil {
         synchronized(edtLock) {
             if( nedt.isRunning() ) {
                 final Thread curT = Thread.currentThread();
-                final Thread swtT = !swtDisposed ? swtDisplay.getThread() : null;
+                final String swtTName;
+                final Thread swtT;
+                if( !swtDisposed ) {
+                    swtT = swtDisplay.getThread();
+                    swtTName = swtT.getName();
+                } else {
+                    swtT = null;
+                    swtTName = null;
+                }
                 final boolean onSWTEDT = swtT == curT;
-                throw new IllegalStateException("EDT still running and not subject to stop. Curr "+curT.getName()+", NEDT "+nedt.getName()+", isRunning "+nedt.isRunning+", shouldStop "+nedt.shouldStop+", SWT-EDT "+swtT.getName()+", on SWT-EDT "+onSWTEDT);
+                throw new IllegalStateException("EDT still running and not subject to stop. Curr "+curT.getName()+
+                        ", NEDT "+nedt.getName()+", isRunning "+nedt.isRunning+", shouldStop "+nedt.shouldStop+", SWT-EDT "+swtTName+", on SWT-EDT "+onSWTEDT);
             }
             if(DEBUG) {
                 System.err.println(Thread.currentThread()+": SWT-EDT reset - edt: "+nedt+", swtDisposed (skipping) "+swtDisposed);