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gallium: Port timing functions to WinCE.

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This commit is contained in:
José Fonseca 2008-05-31 15:18:55 +09:00
parent 12bb907522
commit a9d6b1afa5
1 changed files with 56 additions and 18 deletions
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74
src/gallium/auxiliary/util/u_time.c
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@ -33,26 +33,44 @@
*/
#include "util/u_time.h"
#include "pipe/p_config.h"
#if defined(PIPE_OS_LINUX)
#include <sys/time.h>
#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
#include <windows.h>
#include <winddi.h>
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
#include <windows.h>
extern VOID KeQuerySystemTime(PLARGE_INTEGER);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE)
#include <windows.h>
#else
#error Unsupported OS
#endif
#include "util/u_time.h"
#if defined(PIPE_OS_WINDOWS)
static LONGLONG frequency = 0;
#if !defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
#define EngQueryPerformanceFrequency(p) QueryPerformanceFrequency((LARGE_INTEGER*)(p))
#define EngQueryPerformanceCounter(p) QueryPerformanceCounter((LARGE_INTEGER*)(p))
#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
static int64_t frequency = 0;
static INLINE void
util_time_get_frequency(void)
{
if(!frequency) {
#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
LONGLONG temp;
EngQueryPerformanceFrequency(&temp);
frequency = temp;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE)
LARGE_INTEGER temp;
QueryPerformanceFrequency(&temp);
frequency = temp.QuadPart;
#endif
}
}
#endif
@ -61,8 +79,20 @@ util_time_get(struct util_time *t)
{
#if defined(PIPE_OS_LINUX)
gettimeofday(&t->tv, NULL);
#elif defined(PIPE_OS_WINDOWS)
EngQueryPerformanceCounter(&t->counter);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
LONGLONG temp;
EngQueryPerformanceCounter(&temp);
t->counter = temp;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
/* Updated every 10 miliseconds, measured in units of 100 nanoseconds.
* http://msdn.microsoft.com/en-us/library/ms801642.aspx */
LARGE_INTEGER temp;
KeQuerySystemTime(&temp);
t->counter = temp.QuadPart;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE)
LARGE_INTEGER temp;
QueryPerformanceCounter(&temp);
t->counter = temp.QuadPart;
#endif
}
@ -75,10 +105,17 @@ util_time_add(const struct util_time *t1,
#if defined(PIPE_OS_LINUX)
t2->tv.tv_sec = t1->tv.tv_sec + usecs / 1000000;
t2->tv.tv_usec = t1->tv.tv_usec + usecs % 1000000;
#elif defined(PIPE_OS_WINDOWS)
if(!frequency)
EngQueryPerformanceFrequency(&frequency);
t2->counter = t1->counter + (usecs * frequency + 999999LL)/1000000LL;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
util_time_get_frequency();
t2->counter = t1->counter + (usecs * frequency + INT64_C(999999))/INT64_C(1000000);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
/* 1 tick = 100 nano seconds. */
t2->counter = t1->counter + usecs * 10;
#elif
LARGE_INTEGER temp;
LONGLONG freq;
freq = temp.QuadPart;
t2->counter = t1->counter + (usecs * freq)/1000000L;
#endif
}
@ -90,10 +127,11 @@ util_time_diff(const struct util_time *t1,
#if defined(PIPE_OS_LINUX)
return (t2->tv.tv_usec - t1->tv.tv_usec) +
(t2->tv.tv_sec - t1->tv.tv_sec)*1000000;
#elif defined(PIPE_OS_WINDOWS)
if(!frequency)
EngQueryPerformanceFrequency(&frequency);
return (t2->counter - t1->counter)*1000000LL/frequency;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
util_time_get_frequency();
return (t2->counter - t1->counter)*INT64_C(1000000)/frequency;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
return (t2->counter - t1->counter)/10;
#endif
}
@ -142,7 +180,7 @@ util_time_timeout(const struct util_time *start,
}
#if defined(PIPE_OS_WINDOWS)
#if defined(PIPE_SUBSYSYEM_WINDOWS_DISPLAY)
void util_time_sleep(unsigned usecs)
{
LONGLONG start, curr, end;