fix: fix the canvas tearing problem with lwjglx.

Author: JNightRider

jme3-desktop/src/main/java/com/jme3/system/awt/AwtPanelsContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2023 jMonkeyEngine
+ * Copyright (c) 2009-2026 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -239,7 +239,7 @@ private void destroyInThread() {
     @Override
     public void setSettings(AppSettings settings) {
         this.settings.copyFrom(settings);
-        this.settings.setRenderer(AppSettings.LWJGL_OPENGL2);
+        this.settings.setRenderer(AppSettings.LWJGL_OPENGL32);
         if (actualContext != null) {
             actualContext.setSettings(settings);
         }

jme3-examples/src/main/java/jme3test/awt/TestCanvas.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2021 jMonkeyEngine
+ * Copyright (c) 2009-2026 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

jme3-examples/src/main/java/jme3test/awt/TestSafeCanvas.java

@@ -15,6 +15,8 @@ public class TestSafeCanvas extends SimpleApplication {
 
     public static void main(String[] args) throws InterruptedException{
         AppSettings settings = new AppSettings(true);
+        settings.setX11PlatformPreferred(true);
+        settings.setRenderer(AppSettings.LWJGL_OPENGL32);
         settings.setWidth(640);
         settings.setHeight(480);
 

jme3-lwjgl3/src/main/java/com/jme3/system/lwjgl/LwjglCanvas.java

@@ -1067,7 +1067,7 @@ public Canvas getCanvas() {
     public void setSettings(AppSettings settings) {
         if (settings.getRenderer().equals(AppSettings.ANGLE_GLES3)) {
             StringBuilder buffer = new StringBuilder();
-            buffer.append("LWJGX is not compatible with ANGLE/SDL or GLES, as it only supports the following:")
+            buffer.append("LWJGLX is not compatible with ANGLE/SDL or GLES, as it only supports the following:")
                     .append('\n').append(" * WGL | Windows")
                     .append('\n').append(" * GLX | Linux (X11/XWayland)")
                     .append('\n').append(" * CGL | MacOsX")