Commit 217d3a6dabe74be6b9b17deaf29c61c107ac8224
2022-06-13T20:35:27
Add systimer support
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diff --git a/CMakeLists.txt b/CMakeLists.txt
index dfc3ea1..d27fa08 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2524,6 +2524,12 @@ elseif(PSP)
elseif(PS2)
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)
list(APPEND EXTRA_CFLAGS "-DOS2EMX_PLAIN_CHAR")
diff --git a/include/SDL_config.h.cmake b/include/SDL_config.h.cmake
index c213a2f..5d47619 100644
--- a/include/SDL_config.h.cmake
+++ b/include/SDL_config.h.cmake
@@ -387,6 +387,7 @@
#cmakedefine SDL_TIMER_OS2 @SDL_TIMER_OS2@
#cmakedefine SDL_TIMER_VITA @SDL_TIMER_VITA@
#cmakedefine SDL_TIMER_PSP @SDL_TIMER_PSP@
+#cmakedefine SDL_TIMER_PS2 @SDL_TIMER_PS2@
/* Enable various video drivers */
#cmakedefine SDL_VIDEO_DRIVER_ANDROID @SDL_VIDEO_DRIVER_ANDROID@
diff --git a/src/timer/ps2/SDL_systimer.c b/src/timer/ps2/SDL_systimer.c
new file mode 100644
index 0000000..42d2968
--- /dev/null
+++ b/src/timer/ps2/SDL_systimer.c
@@ -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
+ */