|  | /* | 
|  | Simple DirectMedia Layer | 
|  | Copyright (C) 1997-2020 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: */ |