Edit

kc3-lang/SDL/src/timer/psp

Branch :

  • Show log

    Commit

  • Author : Sam Lantinga
    Date : 2019-01-04 22:01:14
    Hash : 5e13087b
    Message : Updated copyright for 2019

  • SDL_systimer.c
  • /*
      Simple DirectMedia Layer
      Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
    
      This software is provided 'as-is', without any express or implied
      warranty.  In no event will the authors be held liable for any damages
      arising from the use of this software.
    
      Permission is granted to anyone to use this software for any purpose,
      including commercial applications, and to alter it and redistribute it
      freely, subject to the following restrictions:
    
      1. The origin of this software must not be misrepresented; you must not
         claim that you wrote the original software. If you use this software
         in a product, an acknowledgment in the product documentation would be
         appreciated but is not required.
      2. Altered source versions must be plainly marked as such, and must not be
         misrepresented as being the original software.
      3. This notice may not be removed or altered from any source distribution.
    */
    #include "../../SDL_internal.h"
    
    #ifdef SDL_TIMERS_PSP
    
    #include "SDL_thread.h"
    #include "SDL_timer.h"
    #include "SDL_error.h"
    #include "../SDL_timer_c.h"
    #include <stdlib.h>
    #include <time.h>
    #include <sys/time.h>
    #include <pspthreadman.h>
    
    static struct timeval start;
    static SDL_bool ticks_started = SDL_FALSE;
    
    void
    SDL_TicksInit(void)
    {
        if (ticks_started) {
            return;
        }
        ticks_started = SDL_TRUE;
    
        gettimeofday(&start, NULL);
    }
    
    void
    SDL_TicksQuit(void)
    {
        ticks_started = SDL_FALSE;
    }
    
    Uint32 SDL_GetTicks(void)
    {
        if (!ticks_started) {
            SDL_TicksInit();
        }
    
        struct timeval now;
        Uint32 ticks;
    
        gettimeofday(&now, NULL);
        ticks=(now.tv_sec-start.tv_sec)*1000+(now.tv_usec-start.tv_usec)/1000;
        return(ticks);
    }
    
    Uint64
    SDL_GetPerformanceCounter(void)
    {
        return SDL_GetTicks();
    }
    
    Uint64
    SDL_GetPerformanceFrequency(void)
    {
        return 1000;
    }
    
    void SDL_Delay(Uint32 ms)
    {
        const Uint32 max_delay = 0xffffffffUL / 1000;
        if(ms > max_delay)
            ms = max_delay;
        sceKernelDelayThreadCB(ms * 1000);
    }
    
    #endif /* SDL_TIMERS_PSP */
    
    /* vim: ts=4 sw=4
     */