X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Fxlock-gl-utils.c;h=3f41f9bf0905658e9630411864d63d5fc85091e8;hp=d72b4ebdd4aa4ad0d4884893441d05c3e4aecec0;hb=f0261d8acab611f3433160e4f07367b870439739;hpb=7b34ef992563d7bcbb64cc5597dc45fa24470b05

diff --git a/hacks/glx/xlock-gl-utils.c b/hacks/glx/xlock-gl-utils.c
index d72b4ebd..3f41f9bf 100644
--- a/hacks/glx/xlock-gl-utils.c
+++ b/hacks/glx/xlock-gl-utils.c
@@ -118,6 +118,8 @@ init_GL(ModeInfo * mi)
       glDrawBuffer (GL_FRONT);
   }
 
+  /* Sometimes glDrawBuffer() throws "invalid op". Dunno why. Ignore. */
+  clear_gl_error ();
 
   /* GLXContext is already a pointer type.
      Why this function returns a pointer to a pointer, I have no idea...