* fix GL frame terminator debugging

* ensure we don't try again (and log again) if GREMEDY debugging cannot be enabled git-svn-id: https://xpra.org/svn/Xpra/trunk@3870 3bb7dfac-3a0b-4e04-842a-767bc560f471
Xpra-org · Jul 17, 2013 · ae6ff16 · ae6ff16
1 parent b98b79c
commit ae6ff16
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/xpra/client/gl/gl_window_backing.py b/src/xpra/client/gl/gl_window_backing.py
@@ -136,6 +136,9 @@ def gl_init(self):
         if not drawable:
             return  None
         if not self.gl_setup:
+            #ensure python knows which scope we're talking about:
+            global glInitStringMarkerGREMEDY, glStringMarkerGREMEDY
+            global glInitFrameTerminatorGREMEDY, glFrameTerminatorGREMEDY
             # Ask GL to send us all debug messages
             if GL_DEBUG_OUTPUT and gl_debug_callback and glInitDebugKHR() == True:
                 glEnable(GL_DEBUG_OUTPUT)
@@ -148,9 +151,15 @@ def gl_init(self):
             else:
                 # General case - running without debugger, extension not available
                 glStringMarkerGREMEDY = None
+                #don't bother trying again for another window:
+                glInitStringMarkerGREMEDY = None
             # Initialize frame_terminator GL debugging extension if available
             if glInitFrameTerminatorGREMEDY and glInitFrameTerminatorGREMEDY() == True:
+                log.info("Enabling GL frame terminator debugging.")
+            else:
                 glFrameTerminatorGREMEDY = None
+                #don't bother trying again for another window:
+                glInitFrameTerminatorGREMEDY = None