diff options
Diffstat (limited to 'src/porting.h')
| -rw-r--r-- | src/porting.h | 168 |
1 files changed, 73 insertions, 95 deletions
diff --git a/src/porting.h b/src/porting.h index f5c7efcb2..7034d956b 100644 --- a/src/porting.h +++ b/src/porting.h @@ -181,124 +181,99 @@ std::string get_sysinfo(); void initIrrlicht(irr::IrrlichtDevice * ); -/* - Resolution is 10-20ms. - Remember to check for overflows. - Overflow can occur at any value higher than 10000000. -*/ -#ifdef _WIN32 // Windows - inline u32 getTimeS() - { - return GetTickCount() / 1000; - } +// Monotonic counter getters. - inline u32 getTimeMs() - { - return GetTickCount(); - } +#ifdef _WIN32 // Windows - inline u32 getTimeUs() - { - LARGE_INTEGER freq, t; - QueryPerformanceFrequency(&freq); - QueryPerformanceCounter(&t); - return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000.0); - } +extern double perf_freq; - inline u32 getTimeNs() - { - LARGE_INTEGER freq, t; - QueryPerformanceFrequency(&freq); - QueryPerformanceCounter(&t); - return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000000.0); - } +inline u64 os_get_time(double mult) +{ + LARGE_INTEGER t; + QueryPerformanceCounter(&t); + return static_cast<double>(t.QuadPart) / (perf_freq / mult); +} + +// Resolution is <1us. +inline u64 getTimeS() { return os_get_time(1); } +inline u64 getTimeMs() { return os_get_time(1000); } +inline u64 getTimeUs() { return os_get_time(1000*1000); } +inline u64 getTimeNs() { return os_get_time(1000*1000*1000); } #else // Posix - inline void _os_get_clock(struct timespec *ts) - { + +inline void os_get_clock(struct timespec *ts) +{ #if defined(__MACH__) && defined(__APPLE__) - // from http://stackoverflow.com/questions/5167269/clock-gettime-alternative-in-mac-os-x - // OS X does not have clock_gettime, use clock_get_time - clock_serv_t cclock; - mach_timespec_t mts; - host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock); - clock_get_time(cclock, &mts); - mach_port_deallocate(mach_task_self(), cclock); - ts->tv_sec = mts.tv_sec; - ts->tv_nsec = mts.tv_nsec; +// From http://stackoverflow.com/questions/5167269/clock-gettime-alternative-in-mac-os-x +// OS X does not have clock_gettime, use clock_get_time + clock_serv_t cclock; + mach_timespec_t mts; + host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock); + clock_get_time(cclock, &mts); + mach_port_deallocate(mach_task_self(), cclock); + ts->tv_sec = mts.tv_sec; + ts->tv_nsec = mts.tv_nsec; #elif defined(CLOCK_MONOTONIC_RAW) - clock_gettime(CLOCK_MONOTONIC_RAW, ts); + clock_gettime(CLOCK_MONOTONIC_RAW, ts); #elif defined(_POSIX_MONOTONIC_CLOCK) - clock_gettime(CLOCK_MONOTONIC, ts); + clock_gettime(CLOCK_MONOTONIC, ts); #else - struct timeval tv; - gettimeofday(&tv, NULL); - TIMEVAL_TO_TIMESPEC(&tv, ts); -#endif // defined(__MACH__) && defined(__APPLE__) - } + struct timeval tv; + gettimeofday(&tv, NULL); + TIMEVAL_TO_TIMESPEC(&tv, ts); +#endif +} - // Note: these clock functions do not return wall time, but - // generally a clock that starts at 0 when the process starts. - inline u32 getTimeS() - { - struct timespec ts; - _os_get_clock(&ts); - return ts.tv_sec; - } +inline u64 getTimeS() +{ + struct timespec ts; + os_get_clock(&ts); + return ts.tv_sec; +} - inline u32 getTimeMs() - { - struct timespec ts; - _os_get_clock(&ts); - return ts.tv_sec * 1000 + ts.tv_nsec / 1000000; - } +inline u64 getTimeMs() +{ + struct timespec ts; + os_get_clock(&ts); + return ts.tv_sec * 1000 + ts.tv_nsec / 1000000; +} - inline u32 getTimeUs() - { - struct timespec ts; - _os_get_clock(&ts); - return ts.tv_sec * 1000000 + ts.tv_nsec / 1000; - } +inline u64 getTimeUs() +{ + struct timespec ts; + os_get_clock(&ts); + return ts.tv_sec * 1000000 + ts.tv_nsec / 1000; +} - inline u32 getTimeNs() - { - struct timespec ts; - _os_get_clock(&ts); - return ts.tv_sec * 1000000000 + ts.tv_nsec; - } +inline u64 getTimeNs() +{ + struct timespec ts; + os_get_clock(&ts); + return ts.tv_sec * 1000000000 + ts.tv_nsec; +} - /*#include <sys/timeb.h> - inline u32 getTimeMs() - { - struct timeb tb; - ftime(&tb); - return tb.time * 1000 + tb.millitm; - }*/ #endif -inline u32 getTime(TimePrecision prec) +inline u64 getTime(TimePrecision prec) { switch (prec) { - case PRECISION_SECONDS: - return getTimeS(); - case PRECISION_MILLI: - return getTimeMs(); - case PRECISION_MICRO: - return getTimeUs(); - case PRECISION_NANO: - return getTimeNs(); + case PRECISION_SECONDS: return getTimeS(); + case PRECISION_MILLI: return getTimeMs(); + case PRECISION_MICRO: return getTimeUs(); + case PRECISION_NANO: return getTimeNs(); } - return 0; + FATAL_ERROR("Called getTime with invalid time precision"); } /** - * Delta calculation function taking two 32bit arguments. - * @param old_time_ms old time for delta calculation (order is relevant!) - * @param new_time_ms new time for delta calculation (order is relevant!) - * @return positive 32bit delta value + * Delta calculation function arguments. + * @param old_time_ms old time for delta calculation + * @param new_time_ms new time for delta calculation + * @return positive delta value */ -inline u32 getDeltaMs(u32 old_time_ms, u32 new_time_ms) +inline u64 getDeltaMs(u64 old_time_ms, u64 new_time_ms) { if (new_time_ms >= old_time_ms) { return (new_time_ms - old_time_ms); @@ -367,7 +342,7 @@ inline const char *getPlatformName() void setXorgClassHint(const video::SExposedVideoData &video_data, const std::string &name); -bool setXorgWindowIcon(IrrlichtDevice *device); +bool setWindowIcon(IrrlichtDevice *device); bool setXorgWindowIconFromPath(IrrlichtDevice *device, const std::string &icon_file); @@ -377,6 +352,9 @@ bool setXorgWindowIconFromPath(IrrlichtDevice *device, void setWin32ExceptionHandler(); bool secure_rand_fill_buf(void *buf, size_t len); + +// This attaches to the parents process console, or creates a new one if it doesnt exist. +void attachOrCreateConsole(void); } // namespace porting #ifdef __ANDROID__ |