2 files changed, 101 insertions, 1 deletions
diff --git a/src/jogl/classes/javax/media/opengl/GLDrawableFactory.java b/src/jogl/classes/javax/media/opengl/GLDrawableFactory.java
index c433e8b68..73b2b3823 100644
--- a/src/jogl/classes/javax/media/opengl/GLDrawableFactory.java
+++ b/src/jogl/classes/javax/media/opengl/GLDrawableFactory.java
@@ -277,7 +277,7 @@ public abstract class GLDrawableFactory {
    *
    * @param device which {@link javax.media.nativewindow.AbstractGraphicsDevice#getConnection() connection} denotes the shared the target device, may be <code>null</code> for the platform's default device.
    */
-  protected final GLContext getOrCreateSharedContext(AbstractGraphicsDevice device) {
+  public final GLContext getOrCreateSharedContext(AbstractGraphicsDevice device) {
       device = validateDevice(device);
       if(null!=device) {
         return getOrCreateSharedContextImpl(device);
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLExtensionQueryOffscreen.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLExtensionQueryOffscreen.java
new file mode 100644
index 000000000..a7d57a9a9
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLExtensionQueryOffscreen.java
@@ -0,0 +1,100 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.util.Collections;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+import javax.media.nativewindow.AbstractGraphicsDevice;
+import javax.media.opengl.DefaultGLCapabilitiesChooser;
+import javax.media.opengl.GL;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesChooser;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLProfile;
+
+import org.junit.Test;
+
+public class TestGLExtensionQueryOffscreen {
+    
+    static {
+        GLProfile.initSingleton(false);
+    }
+
+    public static void main(String[] args) {
+        TestGLExtensionQueryOffscreen instance = new TestGLExtensionQueryOffscreen();
+        instance.testJogl2ExtensionCheck1();
+        instance.testJogl2ExtensionCheck2();
+    }
+
+    @Test
+    public void testJogl2ExtensionCheck1() {
+        GLDrawableFactory factory = GLDrawableFactory.getDesktopFactory();
+        GLContext sharedContext = factory.getOrCreateSharedContext(null);
+        sharedContext.makeCurrent();
+        String extensions;
+        try {
+            extensions = sharedContext.getGL().glGetString(GL.GL_EXTENSIONS);
+        } finally {
+            sharedContext.release();
+        }
+        String[] tabExtensions = extensions.split(" ");
+        SortedSet<String> setExtensions = new TreeSet<String>();
+        Collections.addAll(setExtensions, tabExtensions);
+        System.out.println("SharedContext: "+sharedContext);
+        System.out.println("SharedContext: "+setExtensions);
+    }
+    
+    @Test
+    public void testJogl2ExtensionCheck2() {
+        GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
+        GLDrawableFactory factory = GLDrawableFactory.getDesktopFactory();
+        GLCapabilitiesChooser glCapsChooser = new DefaultGLCapabilitiesChooser();
+        AbstractGraphicsDevice agd = factory.getDefaultDevice();
+        
+        GLAutoDrawable drawable = factory.createGLPbuffer(agd, caps, glCapsChooser, 256, 256, null);
+        GLContext context = drawable.getContext();
+        context.makeCurrent();
+        String extensions;
+        try {
+            extensions = context.getGL().glGetString(GL.GL_EXTENSIONS);
+        } finally {
+            context.release();
+        }
+        String[] tabExtensions = extensions.split(" ");
+        SortedSet<String> setExtensions = new TreeSet<String>();
+        Collections.addAll(setExtensions, tabExtensions);
+        System.out.println("DefaulContext: "+context);
+        System.out.println("DefaulContext: "+setExtensions);
+    }
+}
+