From http://www.jwz.org/xscreensaver/xscreensaver-5.39.tar.gz

[xscreensaver] / hacks / glx / sonar.c

diff --git a/hacks/glx/sonar.c b/hacks/glx/sonar.c
index 218a62269e1506e05a49697f789345869c0d8b52..c4ea949046812e66939893a474776fd97c6cd39f 100644 (file)
--- a/hacks/glx/sonar.c
+++ b/hacks/glx/sonar.c
@@ -1,4 +1,4 @@
-/* sonar, Copyright (c) 1998-2015 Jamie Zawinski and Stephen Martin
+/* sonar, Copyright (c) 1998-2018 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
@@ -354,6 +354,8 @@ draw_text (ModeInfo *mi, const char *string, GLfloat r, GLfloat th,
   char *token = string2;
   char *line;
 
+  if (MI_WIDTH(mi) > 2560) font_scale /= 2;  /* Retina displays */
+
   if (size <= 0)   /* if size not specified, draw in yellow with alpha */
     {
       GLfloat color[4];