From http://www.jwz.org/xscreensaver/xscreensaver-5.34.tar.gz

[xscreensaver] / hacks / glx / jwzgles.c

diff --git a/hacks/glx/jwzgles.c b/hacks/glx/jwzgles.c
index 094192c76ba61cc2feaba1d6d751ea2460e4ab9d..5b0b51a5dfc2a6506a92c2f1f0da7147385d08c4 100644 (file)
--- a/hacks/glx/jwzgles.c
+++ b/hacks/glx/jwzgles.c
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 2012-2014 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 2012-2015 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -1588,6 +1588,12 @@ jwzgles_glVertex2f (GLfloat x, GLfloat y)
   jwzgles_glVertex3fv (v);
 }
 
+void
+jwzgles_glVertex2dv (const GLdouble *v)
+{
+  jwzgles_glVertex2f (v[0], v[1]);
+}
+
 void
 jwzgles_glVertex2fv (const GLfloat *v)
 {
@@ -3977,6 +3983,15 @@ jwzgles_gluProject (GLdouble objx, GLdouble objy, GLdouble objz,
 }
 
 
+void jwzgles_glViewport (GLuint x, GLuint y, GLuint w, GLuint h)
+{
+# if TARGET_IPHONE_SIMULATOR
+/*  fprintf (stderr, "glViewport %dx%d\n", w, h); */
+# endif
+  glViewport (x, y, w, h);  /* the real one */
+}
+
+
 /* The following functions are present in both OpenGL 1.1 and in OpenGLES 1,
    but are allowed within glNewList/glEndList, so we must wrap them to allow
    them to either be recorded in lists, or run directly.
@@ -4143,7 +4158,6 @@ WRAP (glStencilOp,        III)
 WRAP (glTexEnvf,       IIF)
 WRAP (glTexEnvi,       III)
 WRAP (glTranslatef,    FFF)
-WRAP (glViewport,      IIII)
 #undef  TYPE_IV
 #define TYPE_IV GLuint
 WRAP (glDeleteTextures,        IIV)