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-rw-r--r--src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java2
-rw-r--r--src/jogl/classes/javax/media/opengl/GLContext.java2
-rw-r--r--src/jogl/classes/javax/media/opengl/awt/GLCanvas.java2
-rw-r--r--src/jogl/classes/javax/media/opengl/awt/GLJPanel.java4
-rw-r--r--src/jogl/classes/jogamp/opengl/GLContextImpl.java4
-rw-r--r--src/jogl/classes/jogamp/opengl/GLDrawableImpl.java6
6 files changed, 12 insertions, 8 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
index 1268e9569..cad780a89 100644
--- a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
+++ b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
@@ -109,7 +109,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable, GLSharedContextS
private volatile Rectangle clientArea;
private volatile GLDrawableImpl drawable; // volatile: avoid locking for read-only access
- private volatile GLContextImpl context;
+ private volatile GLContextImpl context; // volatile: avoid locking for read-only access
/* Native window surface */
private final boolean useX11GTK;
diff --git a/src/jogl/classes/javax/media/opengl/GLContext.java b/src/jogl/classes/javax/media/opengl/GLContext.java
index 5c6c7073a..deb1d7587 100644
--- a/src/jogl/classes/javax/media/opengl/GLContext.java
+++ b/src/jogl/classes/javax/media/opengl/GLContext.java
@@ -207,7 +207,7 @@ public abstract class GLContext {
protected final RecursiveLock lock = LockFactory.createRecursiveLock();
/** The underlying native OpenGL context */
- protected volatile long contextHandle;
+ protected volatile long contextHandle; // volatile: avoid locking for read-only access
protected GLContext() {
resetStates(true);
diff --git a/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java b/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java
index 439a5bd30..01d6a6738 100644
--- a/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java
+++ b/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java
@@ -163,7 +163,7 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing
private AWTGraphicsConfiguration awtConfig;
private volatile GLDrawableImpl drawable; // volatile: avoid locking for read-only access
private volatile JAWTWindow jawtWindow; // the JAWTWindow presentation of this AWT Canvas, bound to the 'drawable' lifecycle
- private volatile GLContextImpl context;
+ private volatile GLContextImpl context; // volatile: avoid locking for read-only access
private volatile boolean sendReshape = false; // volatile: maybe written by EDT w/o locking
// copy of the cstr args, mainly for recreation
diff --git a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
index 8b1467268..fdacc5bc4 100644
--- a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
+++ b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
@@ -1295,12 +1295,12 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
protected IntBuffer readBackIntsForCPUVFlip;
// Implementation using software rendering
- private volatile GLDrawableImpl offscreenDrawable;
+ private volatile GLDrawableImpl offscreenDrawable; // volatile: avoid locking for read-only access
private boolean offscreenIsFBO;
private FBObject fboFlipped;
private GLSLTextureRaster glslTextureRaster;
- private volatile GLContextImpl offscreenContext;
+ private volatile GLContextImpl offscreenContext; // volatile: avoid locking for read-only access
private boolean flipVertical;
// For saving/restoring of OpenGL state during ReadPixels
diff --git a/src/jogl/classes/jogamp/opengl/GLContextImpl.java b/src/jogl/classes/jogamp/opengl/GLContextImpl.java
index 4e5465906..a15352c52 100644
--- a/src/jogl/classes/jogamp/opengl/GLContextImpl.java
+++ b/src/jogl/classes/jogamp/opengl/GLContextImpl.java
@@ -650,6 +650,10 @@ public abstract class GLContextImpl extends GLContext {
final GLContextImpl shareWith = (GLContextImpl) GLContextShareSet.getCreatedShare(this);
if (null != shareWith) {
shareWith.getDrawableImpl().lockSurface();
+ // FIXME:
+ // Contemplate whether we shall 'fail' creating this context
+ // if 0==shareWith.getHandle(), since at this point
+ // both context are locked and current values are available.
}
final boolean created;
try {
diff --git a/src/jogl/classes/jogamp/opengl/GLDrawableImpl.java b/src/jogl/classes/jogamp/opengl/GLDrawableImpl.java
index a79a3cf25..94d39a4ab 100644
--- a/src/jogl/classes/jogamp/opengl/GLDrawableImpl.java
+++ b/src/jogl/classes/jogamp/opengl/GLDrawableImpl.java
@@ -344,9 +344,9 @@ public abstract class GLDrawableImpl implements GLDrawable {
protected static String getThreadName() { return Thread.currentThread().getName(); }
- protected GLDrawableFactory factory;
- protected NativeSurface surface;
- protected GLCapabilitiesImmutable requestedCapabilities;
+ protected final GLDrawableFactory factory;
+ protected final NativeSurface surface;
+ protected final GLCapabilitiesImmutable requestedCapabilities;
// Indicates whether the surface (if an onscreen context) has been
// realized. Plausibly, before the surface is realized the JAWT