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authorJosé Fonseca <[email protected]>2008-05-31 15:18:55 +0900
committerJosé Fonseca <[email protected]>2008-05-31 18:55:40 +0900
commita9d6b1afa5b548a98c2b95db50236c4139d9f569 (patch)
tree1daf62befa584f64a164e02ce049f2eea7189f91 /src
parent12bb9075221da6bf8121f3d705888f29ca11cc0f (diff)
gallium: Port timing functions to WinCE.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/auxiliary/util/u_time.c74
1 files changed, 56 insertions, 18 deletions
diff --git a/src/gallium/auxiliary/util/u_time.c b/src/gallium/auxiliary/util/u_time.c
index 9b97050d51a..c6ce0afab08 100644
--- a/src/gallium/auxiliary/util/u_time.c
+++ b/src/gallium/auxiliary/util/u_time.c
@@ -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;