X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Fsonar.c;h=da66865b01f5ccef35779f726cfc87cf2ef7a396;hp=66d8b833ff8f006070a7086102cc0a52ce3965fb;hb=5f9c47ca98dd43d8f59b7c27d3fde6edfde4fe21;hpb=50be9bb40dc60130c99ffa568e6677779904ff70

diff --git a/hacks/glx/sonar.c b/hacks/glx/sonar.c
index 66d8b833..da66865b 100644
--- a/hacks/glx/sonar.c
+++ b/hacks/glx/sonar.c
@@ -1,4 +1,4 @@
-/* sonar, Copyright (c) 1998-2008 Jamie Zawinski and Stephen Martin
+/* sonar, Copyright (c) 1998-2011 Jamie Zawinski and Stephen Martin
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -826,6 +826,7 @@ init_sonar (ModeInfo *mi)
   sp->glx_context = init_GL(mi);
 
   reshape_sonar (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+  clear_gl_error(); /* WTF? sometimes "invalid op" from glViewport! */
 
   if (!wire)
     {