| 1 | /* fps, Copyright (c) 2001-2011 Jamie Zawinski <jwz@jwz.org> |
| 2 | * Draw a frames-per-second display (Xlib and OpenGL). |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that |
| 7 | * copyright notice and this permission notice appear in supporting |
| 8 | * documentation. No representations are made about the suitability of this |
| 9 | * software for any purpose. It is provided "as is" without express or |
| 10 | * implied warranty. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __XSCREENSAVER_FPS_H__ |
| 14 | # define __XSCREENSAVER_FPS_H__ |
| 15 | |
| 16 | #ifdef HAVE_CONFIG_H |
| 17 | # include "config.h" |
| 18 | #endif /* HAVE_CONFIG_H */ |
| 19 | |
| 20 | typedef struct fps_state fps_state; |
| 21 | |
| 22 | extern fps_state *fps_init (Display *, Window); |
| 23 | extern void fps_free (fps_state *); |
| 24 | extern void fps_slept (fps_state *, unsigned long usecs); |
| 25 | extern double fps_compute (fps_state *, unsigned long polys, double depth); |
| 26 | extern void fps_draw (fps_state *); |
| 27 | |
| 28 | /* Doesn't really belong here, but close enough. */ |
| 29 | #ifdef HAVE_MOBILE |
| 30 | extern double current_device_rotation (void); |
| 31 | #else |
| 32 | # define current_device_rotation() (0) |
| 33 | #endif |
| 34 | |
| 35 | #endif /* __XSCREENSAVER_FPS_H__ */ |