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().

1 files changed, 4 insertions, 0 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;