JoglVersion.getGLInfo: Increase robustness of debug output

2 files changed, 20 insertions, 8 deletions

diff --git a/src/jogl/classes/com/jogamp/opengl/GLProfile.java b/src/jogl/classes/com/jogamp/opengl/GLProfile.java
index 0e0d45444..9b96adf71 100644
--- a/src/jogl/classes/com/jogamp/opengl/GLProfile.java
+++ b/src/jogl/classes/com/jogamp/opengl/GLProfile.java
@@ -2031,11 +2031,14 @@ public class GLProfile {
         final GLContext ctx = factory.getOrCreateSharedContext(device);
         if(null != ctx) {
             System.err.println("GLProfile.dumpGLInfo: "+ctx);
-            ctx.makeCurrent();
-            try {
-                System.err.println(JoglVersion.getGLInfo(ctx.getGL(), null));
-            } finally {
-                ctx.release();
+            if( GLContext.CONTEXT_NOT_CURRENT != ctx.makeCurrent() ) {
+                try {
+                    System.err.println(JoglVersion.getGLInfo(ctx.getGL(), null));
+                } finally {
+                    ctx.release();
+                }
+            } else {
+                System.err.println("GLProfile.dumpGLInfo: Couldn't make context current");
             }
         } else {
             System.err.println("GLProfile.dumpGLInfo: shared context n/a");
diff --git a/src/jogl/classes/com/jogamp/opengl/JoglVersion.java b/src/jogl/classes/com/jogamp/opengl/JoglVersion.java
index 92511dc11..b4692cdf6 100644
--- a/src/jogl/classes/com/jogamp/opengl/JoglVersion.java
+++ b/src/jogl/classes/com/jogamp/opengl/JoglVersion.java
@@ -36,7 +36,11 @@ import com.jogamp.common.util.JogampVersion;
 
 import java.util.List;
 import java.util.jar.Manifest;
+
+import com.jogamp.nativewindow.AbstractGraphicsConfiguration;
 import com.jogamp.nativewindow.AbstractGraphicsDevice;
+import com.jogamp.nativewindow.AbstractGraphicsScreen;
+import com.jogamp.nativewindow.NativeSurface;
 
 public class JoglVersion extends JogampVersion {
 
@@ -140,13 +144,18 @@ public class JoglVersion extends JogampVersion {
                                           final boolean withAvailabilityInfo,
                                           final boolean withCapabilitiesInfo,
                                           final boolean withExtensionInfo) {
-        final AbstractGraphicsDevice device = gl.getContext().getGLDrawable().getNativeSurface()
-                                            .getGraphicsConfiguration().getScreen().getDevice();
         if(null==sb) {
             sb = new StringBuilder();
         }
-
         sb.append(VersionUtil.SEPERATOR).append(Platform.getNewline());
+        if( null == gl ) {
+            sb.append("Null GL instance").append(Platform.getNewline());
+            sb.append(VersionUtil.SEPERATOR).append(Platform.getNewline());
+            return sb;
+        }
+        final AbstractGraphicsDevice device = gl.getContext().getGLDrawable().getNativeSurface()
+                                            .getGraphicsConfiguration().getScreen().getDevice();
+
         sb.append(device.toString()).append(':').append(Platform.getNewline());
         if( withAvailabilityInfo ) {
             GLProfile.glAvailabilityToString(device, sb, "\t", 1);