1.1 --- a/src/vr.h	Wed Sep 24 10:18:42 2014 +0300
     1.2 +++ b/src/vr.h	Wed Sep 24 23:50:40 2014 +0300
     1.3 @@ -36,6 +36,11 @@
     1.4  void vr_setf(const char *optname, float val);
     1.5  int vr_geti(const char *optname);
     1.6  float vr_getf(const char *optname);
     1.7 +/* variants of the get functions, with an additional "default value"
     1.8 + * argument, which is returned if the requested option is missing
     1.9 + */
    1.10 +int vr_geti_def(const char *optname, int def_val);
    1.11 +float vr_getf_def(const char *optname, float def_val);
    1.12  
    1.13  int vr_view_translation(int eye, float *vec);
    1.14  int vr_view_rotation(int eye, float *quat);