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SDL_systimer.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2013 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 
22 #include "SDL_thread.h"
23 #include "SDL_timer.h"
24 #include "SDL_error.h"
25 #include "../SDL_timer_c.h"
26 #include <stdlib.h>
27 #include <time.h>
28 #include <sys/time.h>
29 #include <pspthreadman.h>
30 
31 static struct timeval start;
33 
34 void SDL_InitTicks(void)
35 {
36  if (ticks_started) {
37  return;
38  }
40 
41  gettimeofday(&start, NULL);
42 }
43 
45 {
46  if (!ticks_started) {
47  SDL_InitTicks();
48  }
49 
50  struct timeval now;
51  Uint32 ticks;
52 
53  gettimeofday(&now, NULL);
54  ticks=(now.tv_sec-start.tv_sec)*1000+(now.tv_usec-start.tv_usec)/1000;
55  return(ticks);
56 }
57 
58 Uint64
60 {
61  return SDL_GetTicks();
62 }
63 
64 Uint64
66 {
67  return 1000;
68 }
69 
70 void SDL_Delay(Uint32 ms)
71 {
72  const Uint32 max_delay = 0xffffffffUL / 1000;
73  if(ms > max_delay)
74  ms = max_delay;
75  sceKernelDelayThreadCB(ms * 1000);
76 }
77 
78 /* vim: ts=4 sw=4
79  */
static SDL_bool ticks_started
Definition: SDL_systimer.c:32
#define NULL
Definition: ftobjs.h:61
GLuint start
Definition: glew.h:1239
SDL_bool
Definition: SDL_stdinc.h:116
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:145
DECLSPEC Uint32 SDLCALL SDL_GetTicks(void)
Get the number of milliseconds since the SDL library initialization.
Definition: SDL_systimer.c:44
uint64_t Uint64
An unsigned 64-bit integer type.
Definition: SDL_stdinc.h:154
DECLSPEC Uint64 SDLCALL SDL_GetPerformanceCounter(void)
Get the current value of the high resolution counter.
Definition: SDL_systimer.c:59
DECLSPEC void SDLCALL SDL_Delay(Uint32 ms)
Wait a specified number of milliseconds before returning.
Definition: SDL_systimer.c:70
void SDL_InitTicks(void)
Definition: SDL_systimer.c:34
DECLSPEC Uint64 SDLCALL SDL_GetPerformanceFrequency(void)
Get the count per second of the high resolution counter.
Definition: SDL_systimer.c:65