SDL  2.0
SDL_systimer.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../../SDL_internal.h"
22 
23 #if defined(SDL_TIMER_DUMMY) || defined(SDL_TIMERS_DISABLED)
24 
25 #include "SDL_timer.h"
26 
27 static SDL_bool ticks_started = SDL_FALSE;
28 
29 void
30 SDL_TicksInit(void)
31 {
32  if (ticks_started) {
33  return;
34  }
35  ticks_started = SDL_TRUE;
36 }
37 
38 void
39 SDL_TicksQuit(void)
40 {
41  ticks_started = SDL_FALSE;
42 }
43 
44 Uint32
45 SDL_GetTicks(void)
46 {
47  if (!ticks_started) {
48  SDL_TicksInit();
49  }
50 
52  return 0;
53 }
54 
55 Uint64
57 {
58  return SDL_GetTicks();
59 }
60 
61 Uint64
63 {
64  return 1000;
65 }
66 
67 void
68 SDL_Delay(Uint32 ms)
69 {
71 }
72 
73 #endif /* SDL_TIMER_DUMMY || SDL_TIMERS_DISABLED */
74 
75 /* vi: set ts=4 sw=4 expandtab: */
Uint64 SDL_GetPerformanceFrequency(void)
Get the count per second of the high resolution counter.
uint32_t Uint32
Definition: SDL_stdinc.h:181
uint64_t Uint64
Definition: SDL_stdinc.h:194
Uint32 SDL_GetTicks(void)
Get the number of milliseconds since the SDL library initialization.
#define SDL_GetPerformanceCounter
#define SDL_Delay
SDL_bool
Definition: SDL_stdinc.h:139
void SDL_TicksInit(void)
void SDL_TicksQuit(void)
#define SDL_Unsupported()
Definition: SDL_error.h:53