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40 lines
1.1 KiB
40 lines
1.1 KiB
6 years ago
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/*
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sys_sdl.c - SDL2 system utils
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Copyright (C) 2018 a1batross
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include <SDL.h>
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#include "platform/platform.h"
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#if XASH_TIMER == TIMER_SDL
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double Platform_DoubleTime( void )
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{
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static longtime_t g_PerformanceFrequency;
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static longtime_t g_ClockStart;
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longtime_t CurrentTime;
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if( !g_PerformanceFrequency )
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{
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g_PerformanceFrequency = SDL_GetPerformanceFrequency();
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g_ClockStart = SDL_GetPerformanceCounter();
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}
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CurrentTime = SDL_GetPerformanceCounter();
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return (double)( CurrentTime - g_ClockStart ) / (double)( g_PerformanceFrequency );
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}
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void Platform_Sleep( int msec )
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{
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SDL_Delay( msec );
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}
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#endif // XASH_TIMER == TIMER_SDL
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