1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @file
* OS independent time-manipulation functions.
*
* @author Jose Fonseca <jrfonseca@tungstengraphics.com>
*/
#include "pipe/p_config.h"
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU)
#include <sys/time.h>
#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
#include <windows.h>
#include <winddi.h>
#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
#include <windows.h>
extern VOID KeQuerySystemTime(PLARGE_INTEGER);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
#include <windows.h>
#else
#error Unsupported OS
#endif
#include "util/u_time.h"
#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_USER) || 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_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
LARGE_INTEGER temp;
QueryPerformanceFrequency(&temp);
frequency = temp.QuadPart;
#endif
}
}
#endif
void
util_time_get(struct util_time *t)
{
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU)
gettimeofday(&t->tv, NULL);
#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_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
LARGE_INTEGER temp;
QueryPerformanceCounter(&temp);
t->counter = temp.QuadPart;
#endif
}
void
util_time_add(const struct util_time *t1,
int64_t usecs,
struct util_time *t2)
{
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU)
t2->tv.tv_sec = t1->tv.tv_sec + usecs / 1000000;
t2->tv.tv_usec = t1->tv.tv_usec + usecs % 1000000;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_USER) || 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;
#else
LARGE_INTEGER temp;
LONGLONG freq;
freq = temp.QuadPart;
t2->counter = t1->counter + (usecs * freq)/1000000L;
#endif
}
int64_t
util_time_diff(const struct util_time *t1,
const struct util_time *t2)
{
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU)
return (t2->tv.tv_usec - t1->tv.tv_usec) +
(t2->tv.tv_sec - t1->tv.tv_sec)*1000000;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_USER) || 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
}
uint64_t
util_time_micros( void )
{
struct util_time t1;
util_time_get(&t1);
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU)
return t1.tv.tv_usec + t1.tv.tv_sec*1000000LL;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
util_time_get_frequency();
return t1.counter*INT64_C(1000000)/frequency;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
return t1.counter/10;
#endif
}
/**
* Compare two time values.
*
* Not publicly available because it does not take in account wrap-arounds.
* Use util_time_timeout instead.
*/
static INLINE int
util_time_compare(const struct util_time *t1,
const struct util_time *t2)
{
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU)
if (t1->tv.tv_sec < t2->tv.tv_sec)
return -1;
else if(t1->tv.tv_sec > t2->tv.tv_sec)
return 1;
else if (t1->tv.tv_usec < t2->tv.tv_usec)
return -1;
else if(t1->tv.tv_usec > t2->tv.tv_usec)
return 1;
else
return 0;
#elif defined(PIPE_OS_WINDOWS)
if (t1->counter < t2->counter)
return -1;
else if(t1->counter > t2->counter)
return 1;
else
return 0;
#endif
}
boolean
util_time_timeout(const struct util_time *start,
const struct util_time *end,
const struct util_time *curr)
{
if(util_time_compare(start, end) <= 0)
return !(util_time_compare(start, curr) <= 0 && util_time_compare(curr, end) < 0);
else
return !(util_time_compare(start, curr) <= 0 || util_time_compare(curr, end) < 0);
}
#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
void util_time_sleep(unsigned usecs)
{
LONGLONG start, curr, end;
EngQueryPerformanceCounter(&start);
if(!frequency)
EngQueryPerformanceFrequency(&frequency);
end = start + (usecs * frequency + 999999LL)/1000000LL;
do {
EngQueryPerformanceCounter(&curr);
} while(start <= curr && curr < end ||
end < start && (curr < end || start <= curr));
}
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
void util_time_sleep(unsigned usecs)
{
Sleep((usecs + 999)/ 1000);
}
#endif
|
