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(Win32/Xbox) Performance counters were broken on Win32/Xbox before,

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implement generic retro_perf_log implementation
This commit is contained in:
twinaphex 2014-06-03 21:50:32 +02:00
parent 7063c52e27
commit 9a2ee92045
1 changed files with 17 additions and 10 deletions
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27
performance.c
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@ -139,16 +139,7 @@ void retro_perf_log(void)
retro_perf_tick_t rarch_get_perf_counter(void)
{
retro_perf_tick_t time = 0;
#ifdef _XBOX1
#define rdtsc __asm __emit 0fh __asm __emit 031h
LARGE_INTEGER time_tmp;
rdtsc;
__asm mov time_tmp.LowPart, eax;
__asm mov time_tmp.HighPart, edx;
time = time_tmp.QuadPart;
#elif defined(__linux__) || defined(__QNX__)
#if defined(__linux__) || defined(__QNX__)
struct timespec tv;
if (clock_gettime(CLOCK_MONOTONIC, &tv) == 0)
time = (retro_perf_tick_t)tv.tv_sec * 1000000000 + (retro_perf_tick_t)tv.tv_nsec;
@ -173,6 +164,22 @@ retro_perf_tick_t rarch_get_perf_counter(void)
struct timeval tv;
gettimeofday(&tv,NULL);
time = (1000000 * tv.tv_sec + tv.tv_usec);
#elif defined(_WIN32)
long tv_sec, tv_usec;
static const unsigned __int64 epoch = 11644473600000000Ui64;
FILETIME file_time;
SYSTEMTIME system_time;
ULARGE_INTEGER ularge;
GetSystemTime(&system_time);
SystemTimeToFileTime(&system_time, &file_time);
ularge.LowPart = file_time.dwLowDateTime;
ularge.HighPart = file_time.dwHighDateTime;
tv_sec = (long)((ularge.QuadPart - epoch) / 10000000L);
tv_usec = (long)(system_time.wMilliseconds * 1000);
time = (1000000 * tv_sec + tv_usec);
#endif
return time;