extern long time_msec;
extern int win_width, win_height;
+extern int vp_width, vp_height; // viewport size differs from win size during VR eye rendering
extern float win_aspect;
extern bool opt_gear_wireframe;
extern bool fb_srgb;
extern TextureSet texman;
extern SceneSet sceneman;
-extern unsigned int sdr_ltmap, sdr_ltmap_notex;
+extern ExSelection exsel_active; // active (info/interact) exhibit
+extern ExSelection exsel_grab_left, exsel_grab_right; // grabbed on each hand
+extern ExSelection exsel_hover; // hover
-extern ExSelection exsel_grab, exsel_hover;
+extern unsigned int dbg_key_pending;
extern int fpexcept_enabled; // int so that C modules may fwd-delcare and use it