--- ./cogl/cogl/cogl-framebuffer.c	2018-07-14 20:49:25.000000000 +0200
+++ /home/gert/src_mut0_chg/mutter-3.30.0/./cogl/cogl/cogl-framebuffer.c	2018-12-18 00:08:18.146437040 +0100
@@ -523,7 +523,14 @@
                                float width,
                                float height)
 {
-  CoglContext *context = framebuffer->context;
+  CoglContext *context;
+  if (x > 100000.0)
+  {
+          _cogl_journal_set_ff (framebuffer->journal);
+          return;
+  }
+  context = framebuffer->context;
+
 
   _COGL_RETURN_IF_FAIL (width > 0 && height > 0);
 
--- ./cogl/cogl/cogl-journal-private.h	2018-07-14 20:49:25.000000000 +0200
+++ /home/gert/src_mut0_chg/mutter-3.30.0/./cogl/cogl/cogl-journal-private.h	2018-12-17 22:49:24.497614984 +0100
@@ -68,6 +68,9 @@
 
   CoglList pending_fences;
 
+  int first;
+  int flush_first;
+
 } CoglJournal;
 
 /* To improve batching of geometry when submitting vertices to OpenGL we
@@ -99,6 +102,9 @@
 _cogl_journal_flush (CoglJournal *journal);
 
 void
+_cogl_journal_set_ff (CoglJournal *journal);
+
+void
 _cogl_journal_discard (CoglJournal *journal);
 
 CoglBool
--- ./cogl/cogl/cogl-journal.c	2018-07-14 20:49:25.000000000 +0200
+++ /home/gert/src_mut0_chg/mutter-3.30.0/./cogl/cogl/cogl-journal.c	2018-12-18 00:12:37.157458383 +0100
@@ -162,6 +162,8 @@
   journal->vertices = g_array_new (FALSE, FALSE, sizeof (float));
 
   _cogl_list_init (&journal->pending_fences);
+  journal->first = 1;
+  journal->flush_first = 0;
 
   return _cogl_journal_object_new (journal);
 }
@@ -1314,6 +1316,7 @@
   if (journal->entries->len == 0)
     {
       post_fences (journal);
+      journal->first = 1;
       return;
     }
 
@@ -1414,6 +1417,7 @@
   COGL_TIMER_STOP (_cogl_uprof_context, discard_timer);
 
   post_fences (journal);
+  journal->first = 1;
 
   COGL_TIMER_STOP (_cogl_uprof_context, flush_timer);
 }
@@ -1566,8 +1570,9 @@
                                          add_framebuffer_deps_cb,
                                          framebuffer);
 
-  if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_BATCHING)))
+  if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_BATCHING)) || (journal->first && journal->flush_first))
     _cogl_journal_flush (journal);
+  journal->first = 0;
 
   COGL_TIMER_STOP (_cogl_uprof_context, log_timer);
 }
@@ -1851,3 +1856,17 @@
   journal->fast_read_pixel_count++;
   return TRUE;
 }
+
+void
+_cogl_journal_set_ff (CoglJournal *journal)
+{
+        if (journal->flush_first)
+        {
+                journal->flush_first = 0;
+        }
+        else
+        {
+                journal->flush_first = 1;
+        }
+}
+
--- ./clutter/clutter/cogl/clutter-stage-cogl.c	2018-07-14 20:49:25.000000000 +0200
+++ /home/gert/src_mut0_chg/mutter-3.30.0/./clutter/clutter/cogl/clutter-stage-cogl.c	2018-12-17 22:56:54.855241924 +0100
@@ -754,7 +754,11 @@
           cogl_framebuffer_pop_clip (fb);
         }
       else
+      {
+	cogl_framebuffer_set_viewport (fb, 100006.0, 0,0,0);
         paint_stage (stage_cogl, view, &view_rect);
+	cogl_framebuffer_set_viewport (fb, 100007.0, 0,0,0);
+      }
     }
   cogl_pop_framebuffer ();