SDL_systimer.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2018 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"
#if defined(SDL_TIMER_DUMMY) || defined(SDL_TIMERS_DISABLED)
#include "SDL_timer.h"
static SDL_bool ticks_started = SDL_FALSE;
void
SDL_TicksInit(void)
{
if (ticks_started) {
return;
}
ticks_started = SDL_TRUE;
}
void
SDL_TicksQuit(void)
{
ticks_started = SDL_FALSE;
}
Uint32
SDL_GetTicks(void)
{
if (!ticks_started) {
SDL_TicksInit();
}
SDL_Unsupported();
return 0;
}
Uint64
SDL_GetPerformanceCounter(void)
{
return SDL_GetTicks();
}
Uint64
SDL_GetPerformanceFrequency(void)
{
return 1000;
}
void
SDL_Delay(Uint32 ms)
{
SDL_Unsupported();
}
#endif /* SDL_TIMER_DUMMY || SDL_TIMERS_DISABLED */
/* vi: set ts=4 sw=4 expandtab: */
SDL_TRUE
Definition: SDL_stdinc.h:142
SDL_FALSE
Definition: SDL_stdinc.h:141
SDL_GetPerformanceFrequency
Uint64 SDL_GetPerformanceFrequency(void)
Get the count per second of the high resolution counter.
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:181
Uint64
uint64_t Uint64
Definition: SDL_stdinc.h:194
SDL_GetTicks
Uint32 SDL_GetTicks(void)
Get the number of milliseconds since the SDL library initialization.
SDL_GetPerformanceCounter
#define SDL_GetPerformanceCounter
Definition: SDL_dynapi_overrides.h:484
SDL_Delay
#define SDL_Delay
Definition: SDL_dynapi_overrides.h:486
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:139
SDL_TicksInit
void SDL_TicksInit(void)
SDL_TicksQuit
void SDL_TicksQuit(void)
SDL_timer.h
SDL_Unsupported
#define SDL_Unsupported()
Definition: SDL_error.h:53