mirror of
https://github.com/hrydgard/ppsspp.git
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5a9a2bf6fe
Cleanup emscripten libretro target
176 lines
3.7 KiB
C++
176 lines
3.7 KiB
C++
#include "ppsspp_config.h"
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#include <cstdio>
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#include <cstdint>
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#include "Common/TimeUtil.h"
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#ifdef HAVE_LIBNX
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#include <switch.h>
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#endif // HAVE_LIBNX
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#ifdef __EMSCRIPTEN__
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#include <emscripten/emscripten.h>
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#endif // __EMSCRIPTEN__
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#ifdef _WIN32
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#include "CommonWindows.h"
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#include <mmsystem.h>
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#include <sys/timeb.h>
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#else
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#include <sys/time.h>
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#include <unistd.h>
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#endif
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// for _mm_pause
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#if PPSSPP_ARCH(X86) || PPSSPP_ARCH(AMD64)
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#include <immintrin.h>
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#endif
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#include <ctime>
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// TODO: https://github.com/floooh/sokol/blob/9a6237fcdf213e6da48e4f9201f144bcb2dcb46f/sokol_time.h#L229-L248
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static const double micros = 1000000.0;
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static const double nanos = 1000000000.0;
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#if PPSSPP_PLATFORM(WINDOWS)
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static LARGE_INTEGER frequency;
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static double frequencyMult;
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static LARGE_INTEGER startTime;
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double time_now_d() {
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if (frequency.QuadPart == 0) {
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QueryPerformanceFrequency(&frequency);
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QueryPerformanceCounter(&startTime);
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frequencyMult = 1.0 / static_cast<double>(frequency.QuadPart);
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}
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LARGE_INTEGER time;
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QueryPerformanceCounter(&time);
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double elapsed = static_cast<double>(time.QuadPart - startTime.QuadPart);
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return elapsed * frequencyMult;
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}
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// Fake, but usable in a pinch. Don't, though.
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uint64_t time_now_raw() {
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return (uint64_t)(time_now_d() * nanos);
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}
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double from_time_raw(uint64_t raw_time) {
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if (raw_time == 0) {
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return 0.0; // invalid time
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}
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return (double)raw_time * (1.0 / nanos);
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}
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double from_time_raw_relative(uint64_t raw_time) {
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return from_time_raw(raw_time);
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}
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void yield() {
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YieldProcessor();
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}
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#elif PPSSPP_PLATFORM(ANDROID) || PPSSPP_PLATFORM(LINUX) || PPSSPP_PLATFORM(MAC) || PPSSPP_PLATFORM(IOS)
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// The only intended use is to match the timings in VK_GOOGLE_display_timing
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uint64_t time_now_raw() {
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struct timespec tp;
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clock_gettime(CLOCK_MONOTONIC, &tp);
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return tp.tv_sec * 1000000000ULL + tp.tv_nsec;
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}
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static uint64_t g_startTime;
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double from_time_raw(uint64_t raw_time) {
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return (double)(raw_time - g_startTime) * (1.0 / nanos);
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}
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double time_now_d() {
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uint64_t raw_time = time_now_raw();
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if (g_startTime == 0) {
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g_startTime = raw_time;
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}
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return from_time_raw(raw_time);
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}
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double from_time_raw_relative(uint64_t raw_time) {
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return (double)raw_time * (1.0 / nanos);
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}
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void yield() {
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#if PPSSPP_ARCH(X86) || PPSSPP_ARCH(AMD64)
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_mm_pause();
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#elif PPSSPP_ARCH(ARM64)
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// Took this out for now. See issue #17877
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// __builtin_arm_isb(15);
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#endif
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}
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#else
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double time_now_d() {
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static time_t start;
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struct timeval tv;
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gettimeofday(&tv, nullptr);
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if (start == 0) {
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start = tv.tv_sec;
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}
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return (double)(tv.tv_sec - start) + (double)tv.tv_usec * (1.0 / micros);
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}
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// Fake, but usable in a pinch. Don't, though.
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uint64_t time_now_raw() {
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return (uint64_t)(time_now_d() * nanos);
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}
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double from_time_raw(uint64_t raw_time) {
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return (double)raw_time * (1.0 / nanos);
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}
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double from_time_raw_relative(uint64_t raw_time) {
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return from_time_raw(raw_time);
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}
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void yield() {}
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#endif
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void sleep_ms(int ms) {
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#ifdef _WIN32
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Sleep(ms);
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#elif defined(HAVE_LIBNX)
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svcSleepThread(ms * 1000000);
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#elif defined(__EMSCRIPTEN__)
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emscripten_sleep(ms);
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#else
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usleep(ms * 1000);
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#endif
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}
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// Return the current time formatted as Minutes:Seconds:Milliseconds
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// in the form 00:00:000.
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void GetTimeFormatted(char formattedTime[13]) {
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time_t sysTime;
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time(&sysTime);
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uint32_t milliseconds;
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#ifdef _WIN32
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struct timeb tp;
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(void)::ftime(&tp);
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milliseconds = tp.millitm;
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#else
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struct timeval t;
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(void)gettimeofday(&t, NULL);
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milliseconds = (int)(t.tv_usec / 1000);
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#endif
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struct tm *gmTime = localtime(&sysTime);
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char tmp[6];
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strftime(tmp, sizeof(tmp), "%M:%S", gmTime);
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// Now tack on the milliseconds
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snprintf(formattedTime, 11, "%s:%03u", tmp, milliseconds % 1000);
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}
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