GraphUIDemoArgs: Issue GLProfile.initSingleton() once in static init block, ensuring JOGL is completely initialized

Noteable: On MacOS 13.1 (aarch64) UISceneDemo20 won't show the window if NEWT is initialized before JOGL core via GLProfile.initSingleton().

2 files changed, 5 insertions, 1 deletions

diff --git a/src/demos/com/jogamp/opengl/demos/graph/ui/util/GraphUIDemoArgs.java b/src/demos/com/jogamp/opengl/demos/graph/ui/util/GraphUIDemoArgs.java
index 93fa2da37..fe716419a 100644
--- a/src/demos/com/jogamp/opengl/demos/graph/ui/util/GraphUIDemoArgs.java
+++ b/src/demos/com/jogamp/opengl/demos/graph/ui/util/GraphUIDemoArgs.java
@@ -41,6 +41,10 @@ public class GraphUIDemoArgs {
     public int sceneMSAASamples = 0;
     public float debugBoxThickness = 0f;
 
+    static {
+        GLProfile.initSingleton(); // ensure JOGL is completely initialized
+    }
+
     public GraphUIDemoArgs(final int width, final int height, final int renderModes) {
         this.surface_width = width;
         this.surface_height = height;
diff --git a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
index 257c71ee7..31dbee3af 100644
--- a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
+++ b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
@@ -343,7 +343,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable, GLSharedContextS
       /* NO_BACKGROUND required to avoid clearing bg in native SWT widget (we do this in the GL display) */
       super(parent, style | SWT.NO_BACKGROUND);
 
-      GLProfile.initSingleton(); // ensure JOGL is completly initialized
+      GLProfile.initSingleton(); // ensure JOGL is completely initialized
 
       SWTAccessor.setRealized(this, true);