summaryrefslogtreecommitdiffstatshomepage
path: root/src/osd/sdl/sdlos_macosx.c
blob: 201f662abba5fe0c96f43f9c8aded4d79a7cca41 (plain) (blame)
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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
//============================================================
//
//  sdlos_*.c - OS specific low level code
//
//  Copyright (c) 1996-2010, Nicola Salmoria and the MAME Team.
//  Visit http://mamedev.org for licensing and usage restrictions.
//
//  SDLMAME by Olivier Galibert and R. Belmont
//
//============================================================

// standard sdl header
#include <SDL/SDL.h>

#include <sys/stat.h>
#include <unistd.h>

#include <mach/mach.h>
#include <mach/mach_time.h>
#include <Carbon/Carbon.h>

// MAME headers
#include "osdcore.h"

//============================================================
//  PROTOTYPES
//============================================================

static osd_ticks_t init_cycle_counter(void);
static osd_ticks_t mach_cycle_counter(void);

//============================================================
//  STATIC VARIABLES
//============================================================

static osd_ticks_t		(*cycle_counter)(void) = init_cycle_counter;
static osd_ticks_t		(*ticks_counter)(void) = init_cycle_counter;
static osd_ticks_t		ticks_per_second;

//============================================================
//  init_cycle_counter
//
//  to avoid total grossness, this function is split by subarch
//============================================================

static osd_ticks_t init_cycle_counter(void)
{
	osd_ticks_t start, end;
	osd_ticks_t a, b;

	cycle_counter = mach_cycle_counter;
	ticks_counter = mach_cycle_counter;

	// wait for an edge on the timeGetTime call
	a = SDL_GetTicks();
	do
	{
		b = SDL_GetTicks();
	} while (a == b);

	// get the starting cycle count
	start = (*cycle_counter)();

	// now wait for 1/4 second total
	do
	{
		a = SDL_GetTicks();
	} while (a - b < 250);

	// get the ending cycle count
	end = (*cycle_counter)();

	// compute ticks_per_sec
	ticks_per_second = (end - start) * 4;

	// return the current cycle count
	return (*cycle_counter)();
}

//============================================================
//  performance_cycle_counter
//============================================================

//============================================================
//  mach_cycle_counter
//============================================================
static osd_ticks_t mach_cycle_counter(void)
{
	return mach_absolute_time();
}

//============================================================
//   osd_cycles
//============================================================

osd_ticks_t osd_ticks(void)
{
	return (*cycle_counter)();
}


//============================================================
//  osd_ticks_per_second
//============================================================

osd_ticks_t osd_ticks_per_second(void)
{
	if (ticks_per_second == 0)
	{
		return 1;	// this isn't correct, but it prevents the crash
	}
	return ticks_per_second;
}



//============================================================
//  osd_sleep
//============================================================

void osd_sleep(osd_ticks_t duration)
{
	UINT32 msec;

	// make sure we've computed ticks_per_second
	if (ticks_per_second == 0)
		(void)osd_ticks();

	// convert to milliseconds, rounding down
	msec = (UINT32)(duration * 1000 / ticks_per_second);

	// only sleep if at least 2 full milliseconds
	if (msec >= 2)
	{
		// take a couple of msecs off the top for good measure
		msec -= 2;
		usleep(msec*1000);
	}
}

//============================================================
//  osd_num_processors
//============================================================

int osd_num_processors(void)
{
	int processors = 1;

	struct host_basic_info host_basic_info;
	unsigned int count;
	kern_return_t r;
	mach_port_t my_mach_host_self;

	count = HOST_BASIC_INFO_COUNT;
	my_mach_host_self = mach_host_self();
	if ( ( r = host_info(my_mach_host_self, HOST_BASIC_INFO, (host_info_t)(&host_basic_info), &count)) == KERN_SUCCESS )
	{
		processors = host_basic_info.avail_cpus;
	}
	mach_port_deallocate(mach_task_self(), my_mach_host_self);

	return processors;
}

//============================================================
//  osd_malloc
//============================================================

void *osd_malloc(size_t size)
{
#ifndef MALLOC_DEBUG
	return malloc(size);
#else
#error "MALLOC_DEBUG not yet supported"
#endif
}


//============================================================
//  osd_malloc_array
//============================================================

void *osd_malloc_array(size_t size)
{
#ifndef MALLOC_DEBUG
	return malloc(size);
#else
#error "MALLOC_DEBUG not yet supported"
#endif
}


//============================================================
//  osd_free
//============================================================

void osd_free(void *ptr)
{
#ifndef MALLOC_DEBUG
	free(ptr);
#else
#error "MALLOC_DEBUG not yet supported"
#endif
}

//============================================================
//  osd_getenv
//============================================================

char *osd_getenv(const char *name)
{
	return getenv(name);
}

//============================================================
//  osd_setenv
//============================================================

int osd_setenv(const char *name, const char *value, int overwrite)
{
	return setenv(name, value, overwrite);
}

//============================================================
//  osd_get_clipboard_text
//============================================================

char *osd_get_clipboard_text(void)
{
	char *result = NULL; /* core expects a malloced C string of uft8 data */

	PasteboardRef pasteboard_ref;
	OSStatus err;
	PasteboardSyncFlags sync_flags;
	PasteboardItemID item_id;
	CFIndex flavor_count;
	CFArrayRef flavor_type_array;
	CFIndex flavor_index;
	ItemCount item_count;
	UInt32 item_index;
	Boolean	success = false;

	err = PasteboardCreate(kPasteboardClipboard, &pasteboard_ref);

	if (!err)
	{
		sync_flags = PasteboardSynchronize( pasteboard_ref );

		err = PasteboardGetItemCount(pasteboard_ref, &item_count );

		for (item_index=1; item_index<=item_count; item_index++)
		{
			err = PasteboardGetItemIdentifier(pasteboard_ref, item_index, &item_id);

			if (!err)
			{
				err = PasteboardCopyItemFlavors(pasteboard_ref, item_id, &flavor_type_array);

				if (!err)
				{
					flavor_count = CFArrayGetCount(flavor_type_array);

					for (flavor_index = 0; flavor_index < flavor_count; flavor_index++)
					{
						CFStringRef flavor_type;
						CFDataRef flavor_data;
						CFStringEncoding encoding;
						CFStringRef string_ref;
						CFDataRef data_ref;
						CFIndex length;
						CFRange range;

						flavor_type = (CFStringRef)CFArrayGetValueAtIndex(flavor_type_array, flavor_index);

						if (UTTypeConformsTo (flavor_type, kUTTypeUTF16PlainText))
							encoding = kCFStringEncodingUTF16;
						else if (UTTypeConformsTo (flavor_type, kUTTypeUTF8PlainText))
							encoding = kCFStringEncodingUTF8;
						else if (UTTypeConformsTo (flavor_type, kUTTypePlainText))
							encoding = kCFStringEncodingMacRoman;
						else
							continue;

						err = PasteboardCopyItemFlavorData(pasteboard_ref, item_id, flavor_type, &flavor_data);

						if( !err )
						{
							string_ref = CFStringCreateFromExternalRepresentation (kCFAllocatorDefault, flavor_data, encoding);
							data_ref = CFStringCreateExternalRepresentation (kCFAllocatorDefault, string_ref, kCFStringEncodingUTF8, '?');

							length = CFDataGetLength (data_ref);
							range = CFRangeMake (0,length);

							result = (char *)osd_malloc_array (length+1);
							if (result != NULL)
							{
								CFDataGetBytes (data_ref, range, (unsigned char *)result);
								result[length] = 0;
								success = true;
								break;
							}

							CFRelease(data_ref);
							CFRelease(string_ref);
							CFRelease(flavor_data);
						}
					}

					CFRelease(flavor_type_array);
				}
			}

			if (success)
				break;
		}

		CFRelease(pasteboard_ref);
	}

	return result;
}

//============================================================
//  osd_stat
//============================================================

osd_directory_entry *osd_stat(const char *path)
{
	int err;
	osd_directory_entry *result = NULL;
	#if defined(SDLMAME_DARWIN) || defined(SDLMAME_NO64BITIO)
	struct stat st;
	#else
	struct stat64 st;
	#endif

	#if defined(SDLMAME_DARWIN) || defined(SDLMAME_NO64BITIO)
	err = stat(path, &st);
	#else
	err = stat64(path, &st);
	#endif

	if( err == -1) return NULL;

	// create an osd_directory_entry; be sure to make sure that the caller can
	// free all resources by just freeing the resulting osd_directory_entry
	result = (osd_directory_entry *) osd_malloc_array(sizeof(*result) + strlen(path) + 1);
	strcpy(((char *) result) + sizeof(*result), path);
	result->name = ((char *) result) + sizeof(*result);
	result->type = S_ISDIR(st.st_mode) ? ENTTYPE_DIR : ENTTYPE_FILE;
	result->size = (UINT64)st.st_size;

	return result;
}

//============================================================
//  osd_get_volume_name
//============================================================

const char *osd_get_volume_name(int idx)
{
	if (idx!=0) return NULL;
	return "/";
}

//============================================================
//  osd_get_slider_list
//============================================================

const void *osd_get_slider_list()
{
	return NULL;
}

//============================================================
//  osd_get_full_path
//============================================================

file_error osd_get_full_path(char **dst, const char *path)
{
	file_error err;
	char path_buffer[512];

	err = FILERR_NONE;

	if (getcwd(path_buffer, 511) == NULL)
	{
		printf("osd_get_full_path: failed!\n");
		err = FILERR_FAILURE;
	}
	else
	{
		*dst = (char *)osd_malloc_array(strlen(path_buffer)+strlen(path)+3);

		// if it's already a full path, just pass it through
		if (path[0] == '/')
		{
			strcpy(*dst, path);
		}
		else
		{
			sprintf(*dst, "%s%s%s", path_buffer, PATH_SEPARATOR, path);
		}
	}

	return err;
}