| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2022 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_TIMER_PS2 |
| |
| #include "SDL_thread.h" |
| #include "SDL_timer.h" |
| #include "SDL_error.h" |
| #include "../SDL_timer_c.h" |
| #include <stdlib.h> |
| #include <time.h> |
| #include <timer.h> |
| #include <sys/time.h> |
| |
| static uint64_t start; |
| static SDL_bool ticks_started = SDL_FALSE; |
| |
| void |
| SDL_TicksInit(void) |
| { |
| if (ticks_started) { |
| return; |
| } |
| ticks_started = SDL_TRUE; |
| |
| start = GetTimerSystemTime(); |
| } |
| |
| void |
| SDL_TicksQuit(void) |
| { |
| ticks_started = SDL_FALSE; |
| } |
| |
| Uint64 |
| SDL_GetTicks64(void) |
| { |
| uint64_t now; |
| |
| if (!ticks_started) { |
| SDL_TicksInit(); |
| } |
| |
| now = GetTimerSystemTime(); |
| return (Uint64)((now - start) / (kBUSCLK / CLOCKS_PER_SEC)); |
| } |
| |
| Uint64 |
| SDL_GetPerformanceCounter(void) |
| { |
| return SDL_GetTicks64(); |
| } |
| |
| Uint64 |
| SDL_GetPerformanceFrequency(void) |
| { |
| return 1000; |
| } |
| |
| void SDL_Delay(Uint32 ms) |
| { |
| struct timespec tv = {0}; |
| tv.tv_sec = ms / 1000; |
| tv.tv_nsec = (ms % 1000) * 1000000; |
| nanosleep(&tv, NULL); |
| } |
| |
| #endif /* SDL_TIMER_PS2 */ |
| |
| /* vim: ts=4 sw=4 |
| */ |