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
|
// license:BSD-3-Clause
// copyright-holders:Aaron Giles
#include "osdcore.h"
#include <thread>
#include <chrono>
static const int MAXSTACK = 10;
static osd_output *m_stack[MAXSTACK];
static int m_ptr = -1;
/*-------------------------------------------------
osd_output
-------------------------------------------------*/
void osd_output::push(osd_output *delegate)
{
if (m_ptr < MAXSTACK)
{
delegate->m_chain = (m_ptr >= 0 ? m_stack[m_ptr] : nullptr);
m_ptr++;
m_stack[m_ptr] = delegate;
}
}
void osd_output::pop(osd_output *delegate)
{
int f = -1;
for (int i=0; i<=m_ptr; i++)
if (m_stack[i] == delegate)
{
f = i;
break;
}
if (f >= 0)
{
if (f < m_ptr)
m_stack[f+1]->m_chain = m_stack[f]->m_chain;
m_ptr--;
for (int i = f; i <= m_ptr; i++)
m_stack[i] = m_stack[i+1];
}
}
/***************************************************************************
OUTPUT MANAGEMENT
***************************************************************************/
/*-------------------------------------------------
osd_printf_error - output an error to the
appropriate callback
-------------------------------------------------*/
void CLIB_DECL osd_printf_error(const char *format, ...)
{
va_list argptr;
/* do the output */
va_start(argptr, format);
if (m_ptr >= 0) m_stack[m_ptr]->output_callback(OSD_OUTPUT_CHANNEL_ERROR, format, argptr);
va_end(argptr);
}
/*-------------------------------------------------
osd_printf_warning - output a warning to the
appropriate callback
-------------------------------------------------*/
void CLIB_DECL osd_printf_warning(const char *format, ...)
{
va_list argptr;
/* do the output */
va_start(argptr, format);
if (m_ptr >= 0) m_stack[m_ptr]->output_callback(OSD_OUTPUT_CHANNEL_WARNING, format, argptr);
va_end(argptr);
}
/*-------------------------------------------------
osd_printf_info - output info text to the
appropriate callback
-------------------------------------------------*/
void CLIB_DECL osd_printf_info(const char *format, ...)
{
va_list argptr;
/* do the output */
va_start(argptr, format);
if (m_ptr >= 0) m_stack[m_ptr]->output_callback(OSD_OUTPUT_CHANNEL_INFO, format, argptr);
va_end(argptr);
}
/*-------------------------------------------------
osd_printf_verbose - output verbose text to
the appropriate callback
-------------------------------------------------*/
void CLIB_DECL osd_printf_verbose(const char *format, ...)
{
va_list argptr;
/* do the output */
va_start(argptr, format);
if (m_ptr >= 0) m_stack[m_ptr]->output_callback(OSD_OUTPUT_CHANNEL_VERBOSE, format, argptr);
va_end(argptr);
}
/*-------------------------------------------------
osd_printf_debug - output debug text to the
appropriate callback
-------------------------------------------------*/
void CLIB_DECL osd_printf_debug(const char *format, ...)
{
va_list argptr;
/* do the output */
va_start(argptr, format);
if (m_ptr >= 0) m_stack[m_ptr]->output_callback(OSD_OUTPUT_CHANNEL_DEBUG, format, argptr);
va_end(argptr);
}
/*-------------------------------------------------
osd_printf_log - output log text to the
appropriate callback
-------------------------------------------------*/
#ifdef UNUSED_FUNCTION
void CLIB_DECL osd_printf_log(const char *format, ...)
{
va_list argptr;
/* do the output */
va_start(argptr, format);
output_cb[OSD_OUTPUT_CHANNEL_LOG])(format, argptr);
va_end(argptr);
}
#endif
//============================================================
// osd_ticks
//============================================================
osd_ticks_t osd_ticks(void)
{
return std::chrono::high_resolution_clock::now().time_since_epoch().count();
}
//============================================================
// osd_ticks_per_second
//============================================================
osd_ticks_t osd_ticks_per_second(void)
{
return std::chrono::high_resolution_clock::period::den / std::chrono::high_resolution_clock::period::num;
}
//============================================================
// osd_sleep
//============================================================
void osd_sleep(osd_ticks_t duration)
{
std::this_thread::sleep_for(std::chrono::high_resolution_clock::duration(duration));
}
//============================================================
// osd_num_processors
//============================================================
int osd_get_num_processors(void)
{
// max out at 4 for now since scaling above that seems to do poorly
return MIN(std::thread::hardware_concurrency(), 4);
}
|