ppsspp/ext/native/base/timeutil.cpp

143 lines
2.9 KiB
C++

#include <cstdio>
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/timeutil.h"
#ifdef _WIN32
#include <windows.h>
#else
#include "gfx/gl_common.h"
#include "gfx_es2/gpu_features.h"
#include <sys/time.h>
#include <unistd.h>
#endif
static double curtime = 0;
static float curtime_f = 0;
#ifdef _WIN32
LARGE_INTEGER frequency;
double frequencyMult;
LARGE_INTEGER startTime;
double real_time_now() {
if (frequency.QuadPart == 0) {
QueryPerformanceFrequency(&frequency);
QueryPerformanceCounter(&startTime);
curtime = 0.0;
frequencyMult = 1.0 / static_cast<double>(frequency.QuadPart);
}
LARGE_INTEGER time;
QueryPerformanceCounter(&time);
double elapsed = static_cast<double>(time.QuadPart - startTime.QuadPart);
return elapsed * frequencyMult;
}
#else
uint64_t _frequency = 0;
uint64_t _starttime = 0;
double real_time_now() {
#ifdef __ANDROID__
if (false && gl_extensions.EGL_NV_system_time) {
// This is needed to profile using PerfHUD on Tegra
if (_frequency == 0) {
_frequency = eglGetSystemTimeFrequencyNV();
_starttime = eglGetSystemTimeNV();
}
uint64_t cur = eglGetSystemTimeNV();
int64_t diff = cur - _starttime;
return (double)diff / (double)_frequency;
}
#if 0
// This clock is really "choppy" on Nexus 9!
struct timespec time;
clock_gettime(CLOCK_MONOTONIC_RAW, &time);
return time.tv_sec + time.tv_nsec / 1.0e9;
#else
static time_t start;
struct timeval tv;
gettimeofday(&tv, NULL);
if (start == 0) {
start = tv.tv_sec;
}
tv.tv_sec -= start;
return (double)tv.tv_sec + (double)tv.tv_usec / 1000000.0;
#endif
#else
static time_t start;
struct timeval tv;
gettimeofday(&tv, NULL);
if (start == 0) {
start = tv.tv_sec;
}
tv.tv_sec -= start;
return (double)tv.tv_sec + (double)tv.tv_usec / 1000000.0;
#endif
}
#endif
void time_update() {
curtime = real_time_now();
curtime_f = (float)curtime;
//printf("curtime: %f %f\n", curtime, curtime_f);
// also smooth time.
//curtime+=float((double) (time-_starttime) / (double) _frequency);
//curtime*=0.5f;
//curtime+=1.0f/60.0f;
//lastTime=curtime;
//curtime_f = (float)curtime;
}
float time_now() {
return curtime_f;
}
double time_now_d() {
return curtime;
}
int time_now_ms() {
return int(curtime*1000.0);
}
void sleep_ms(int ms) {
#ifdef _WIN32
Sleep(ms);
#else
usleep(ms * 1000);
#endif
}
LoggingDeadline::LoggingDeadline(const char *name, int ms) : name_(name), endCalled_(false) {
totalTime_ = (double)ms * 0.001;
time_update();
endTime_ = time_now_d() + totalTime_;
}
LoggingDeadline::~LoggingDeadline() {
if (!endCalled_)
End();
}
bool LoggingDeadline::End() {
endCalled_ = true;
time_update();
if (time_now_d() > endTime_) {
double late = (time_now_d() - endTime_);
double totalTime = late + totalTime_;
ELOG("===== %0.2fms DEADLINE PASSED FOR %s at %0.2fms - %0.2fms late =====", totalTime_ * 1000.0, name_, 1000.0 * totalTime, 1000.0 * late);
return false;
}
return true;
}