Add systimer support

main
Francisco Javier Trujillo Mata 2022-06-13 20:35:27 +02:00 committed by Sam Lantinga
parent 7343ece806
commit 217d3a6dab
3 changed files with 97 additions and 0 deletions

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@ -2524,6 +2524,12 @@ elseif(PSP)
elseif(PS2) elseif(PS2)
list(APPEND EXTRA_CFLAGS "-DPS2") list(APPEND EXTRA_CFLAGS "-DPS2")
if(SDL_TIMERS)
set(SDL_TIMER_PS2 1)
file(GLOB PS2_TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/ps2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PS2_TIMER_SOURCES})
set(HAVE_SDL_TIMERS TRUE)
endif()
elseif(OS2) elseif(OS2)
list(APPEND EXTRA_CFLAGS "-DOS2EMX_PLAIN_CHAR") list(APPEND EXTRA_CFLAGS "-DOS2EMX_PLAIN_CHAR")

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@ -387,6 +387,7 @@
#cmakedefine SDL_TIMER_OS2 @SDL_TIMER_OS2@ #cmakedefine SDL_TIMER_OS2 @SDL_TIMER_OS2@
#cmakedefine SDL_TIMER_VITA @SDL_TIMER_VITA@ #cmakedefine SDL_TIMER_VITA @SDL_TIMER_VITA@
#cmakedefine SDL_TIMER_PSP @SDL_TIMER_PSP@ #cmakedefine SDL_TIMER_PSP @SDL_TIMER_PSP@
#cmakedefine SDL_TIMER_PS2 @SDL_TIMER_PS2@
/* Enable various video drivers */ /* Enable various video drivers */
#cmakedefine SDL_VIDEO_DRIVER_ANDROID @SDL_VIDEO_DRIVER_ANDROID@ #cmakedefine SDL_VIDEO_DRIVER_ANDROID @SDL_VIDEO_DRIVER_ANDROID@

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@ -0,0 +1,90 @@
/*
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
*/