GLContext/GLDebugMessageHandler: Fix/clarify init and usage of dbg handler

1 files changed, 13 insertions, 1 deletions

diff --git a/src/jogl/classes/jogamp/opengl/GLDebugMessageHandler.java b/src/jogl/classes/jogamp/opengl/GLDebugMessageHandler.java
index 9ca573536..8ca0c016d 100644
--- a/src/jogl/classes/jogamp/opengl/GLDebugMessageHandler.java
+++ b/src/jogl/classes/jogamp/opengl/GLDebugMessageHandler.java
@@ -99,9 +99,14 @@ public class GLDebugMessageHandler {
     }
     
     public void init(boolean enable) {
+        if(DEBUG) {
+            System.err.println("GLDebugMessageHandler.init("+enable+")");
+        }
         init();
         if(isAvailable()) {
             enableImpl(enable);
+        } else if(DEBUG) {
+            System.err.println("GLDebugMessageHandler.init("+enable+") .. n/a");
         }
     }
     
@@ -111,6 +116,13 @@ public class GLDebugMessageHandler {
             return;
         }
         
+        if( !ctx.isGLDebugEnabled() ) {
+            if(DEBUG) {
+                System.err.println("GLDebugMessageHandler: GL DEBUG not set in ARB ctx options: "+ctx.getGLVersion());
+            }
+            return;            
+        }
+        
         if( ctx.isExtensionAvailable(GL_ARB_debug_output) ) {
             extName = GL_ARB_debug_output;
             extType = EXT_ARB;
@@ -124,7 +136,7 @@ public class GLDebugMessageHandler {
         
         if(0 == extType) {
             if(DEBUG) {
-                System.err.println("GLDebugMessageHandler: No extension available!");
+                System.err.println("GLDebugMessageHandler: No extension available! "+ctx.getGLVersion());
             }
             return;
         }