1 /**************************************************************************
3 * Copyright 2013-2014 RAD Game Tools and Valve Software
4 * Copyright 2010-2014 Rich Geldreich and Tenacious Software LLC
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 **************************************************************************/
30 #include "vogl_core.h"
34 typedef uint64_t timer_ticks;
40 timer(timer_ticks start_ticks);
43 void start(timer_ticks start_ticks);
47 double get_elapsed_secs() const;
48 inline double get_elapsed_ms() const
50 return get_elapsed_secs() * 1000.0f;
52 timer_ticks get_elapsed_us() const;
53 timer_ticks get_elapsed_ticks() const;
56 static inline timer_ticks get_ticks_per_sec()
60 static timer_ticks get_init_ticks();
61 static timer_ticks get_ticks();
62 static double ticks_to_secs(timer_ticks ticks);
63 static inline double ticks_to_ms(timer_ticks ticks)
65 return ticks_to_secs(ticks) * 1000.0f;
67 static inline double get_secs()
69 return ticks_to_secs(get_ticks());
71 static inline double get_ms()
73 return ticks_to_ms(get_ticks());
77 static timer_ticks g_init_ticks;
78 static timer_ticks g_freq;
79 static double g_inv_freq;
81 timer_ticks m_start_time;
82 timer_ticks m_stop_time;
88 // Prints object's lifetime to stdout
92 fixed_string256 m_name;
95 inline timed_scope(const char *pName = "timed_scope")
101 inline double get_elapsed_secs() const
103 return m_tm.get_elapsed_secs();
105 inline double get_elapsed_ms() const
107 return m_tm.get_elapsed_ms();
110 const timer &get_timer() const
119 inline ~timed_scope()
121 double secs = m_tm.get_elapsed_secs();
122 printf("%s: %f secs, %f ms\n", m_name.get_ptr(), secs, secs * 1000.0f);