mirror of https://github.com/encounter/SDL.git
77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2015 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_SWITCH
|
|
|
|
#include "SDL_timer.h"
|
|
#include <switch.h>
|
|
|
|
static bool started = false;
|
|
static Uint64 start = 0;
|
|
|
|
void
|
|
SDL_TicksInit(void)
|
|
{
|
|
if (started) {
|
|
return;
|
|
}
|
|
|
|
start = SDL_GetPerformanceCounter();
|
|
started = true;
|
|
}
|
|
|
|
void
|
|
SDL_TicksQuit(void)
|
|
{
|
|
started = false;
|
|
}
|
|
|
|
Uint64
|
|
SDL_GetTicks64(void)
|
|
{
|
|
if (!started) {
|
|
SDL_TicksInit();
|
|
}
|
|
|
|
return (SDL_GetPerformanceCounter() - start) * 1000 / SDL_GetPerformanceFrequency();
|
|
}
|
|
|
|
Uint64
|
|
SDL_GetPerformanceCounter(void)
|
|
{
|
|
return armGetSystemTick();
|
|
}
|
|
|
|
Uint64
|
|
SDL_GetPerformanceFrequency(void)
|
|
{
|
|
return armGetSystemTickFreq();
|
|
}
|
|
|
|
void
|
|
SDL_Delay(Uint32 ms)
|
|
{
|
|
svcSleepThread((Uint64) ms * 1000000);
|
|
}
|
|
|
|
#endif /* SDL_TIMER_SWITCH */
|