This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
common.c
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
/* A simple test program framework */
#include <stdio.h>
#include "common.h"
#define VIDEO_USAGE \
"[--video driver] [--renderer driver] [--info all|video|modes|render|event] [--display %d] [--fullscreen | --windows N] [--title title] [--center | --position X,Y] [--geometry WxH] [--depth N] [--refresh R] [--vsync] [--noframe] [--resize] [--minimize] [--maximize] [--grab]"
#define AUDIO_USAGE \
"[--rate N] [--format U8|S8|U16|U16LE|U16BE|S16|S16LE|S16BE] [--channels N] [--samples N]"
CommonState *
CommonCreateState(char **argv, Uint32 flags)
{
CommonState *state = SDL_calloc(1, sizeof(*state));
if (!state) {
SDL_OutOfMemory();
return NULL;
}
/* Initialize some defaults */
state->argv = argv;
state->flags = flags;
state->window_title = argv[0];
state->window_flags = SDL_WINDOW_SHOWN;
state->window_x = SDL_WINDOWPOS_UNDEFINED;
state->window_y = SDL_WINDOWPOS_UNDEFINED;
state->window_w = 640;
state->window_h = 480;
state->num_windows = 1;
state->audiospec.freq = 22050;
state->audiospec.format = AUDIO_S16;
state->audiospec.channels = 2;
state->audiospec.samples = 2048;
return state;
}
int
CommonArg(CommonState * state, int index)
{
char **argv = state->argv;
if (SDL_strcasecmp(argv[index], "--video") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->videodriver = argv[index];
return 2;
}
if (SDL_strcasecmp(argv[index], "--renderer") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->renderdriver = argv[index];
return 2;
}
if (SDL_strcasecmp(argv[index], "--info") == 0) {
++index;
if (!argv[index]) {
return -1;
}
if (SDL_strcasecmp(argv[index], "all") == 0) {
state->verbose |=
(VERBOSE_VIDEO | VERBOSE_MODES | VERBOSE_RENDER |
VERBOSE_EVENT);
return 2;
}
if (SDL_strcasecmp(argv[index], "video") == 0) {
state->verbose |= VERBOSE_VIDEO;
return 2;
}
if (SDL_strcasecmp(argv[index], "modes") == 0) {
state->verbose |= VERBOSE_MODES;
return 2;
}
if (SDL_strcasecmp(argv[index], "render") == 0) {
state->verbose |= VERBOSE_RENDER;
return 2;
}
if (SDL_strcasecmp(argv[index], "event") == 0) {
state->verbose |= VERBOSE_EVENT;
return 2;
}
return -1;
}
if (SDL_strcasecmp(argv[index], "--display") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->display = SDL_atoi(argv[index]);
return 2;
}
if (SDL_strcasecmp(argv[index], "--fullscreen") == 0) {
state->window_flags |= SDL_WINDOW_FULLSCREEN;
state->num_windows = 1;
return 1;
}
if (SDL_strcasecmp(argv[index], "--windows") == 0) {
++index;
105
if (!argv[index] || !SDL_isdigit(*argv[index])) {
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
return -1;
}
if (!(state->window_flags & SDL_WINDOW_FULLSCREEN)) {
state->num_windows = SDL_atoi(argv[index]);
}
return 2;
}
if (SDL_strcasecmp(argv[index], "--title") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->window_title = argv[index];
return 2;
}
if (SDL_strcasecmp(argv[index], "--center") == 0) {
state->window_x = SDL_WINDOWPOS_CENTERED;
state->window_y = SDL_WINDOWPOS_CENTERED;
return 1;
}
if (SDL_strcasecmp(argv[index], "--position") == 0) {
char *x, *y;
++index;
if (!argv[index]) {
return -1;
}
x = argv[index];
y = argv[index];
while (*y && *y != ',') {
++y;
}
if (!*y) {
return -1;
}
*y++ = '\0';
state->window_x = SDL_atoi(x);
state->window_y = SDL_atoi(y);
return 2;
}
if (SDL_strcasecmp(argv[index], "--geometry") == 0) {
char *w, *h;
++index;
if (!argv[index]) {
return -1;
}
w = argv[index];
h = argv[index];
while (*h && *h != 'x') {
++h;
}
if (!*h) {
return -1;
}
*h++ = '\0';
state->window_w = SDL_atoi(w);
state->window_h = SDL_atoi(h);
return 2;
}
if (SDL_strcasecmp(argv[index], "--refresh") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->refresh_rate = SDL_atoi(argv[index]);
return 2;
}
if (SDL_strcasecmp(argv[index], "--vsync") == 0) {
173
state->render_flags |= SDL_RENDERER_PRESENTVSYNC;
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
return 1;
}
if (SDL_strcasecmp(argv[index], "--noframe") == 0) {
state->window_flags |= SDL_WINDOW_BORDERLESS;
return 1;
}
if (SDL_strcasecmp(argv[index], "--resize") == 0) {
state->window_flags |= SDL_WINDOW_RESIZABLE;
return 1;
}
if (SDL_strcasecmp(argv[index], "--minimize") == 0) {
state->window_flags |= SDL_WINDOW_MINIMIZED;
return 1;
}
if (SDL_strcasecmp(argv[index], "--maximize") == 0) {
state->window_flags |= SDL_WINDOW_MAXIMIZED;
return 1;
}
if (SDL_strcasecmp(argv[index], "--grab") == 0) {
state->window_flags |= SDL_WINDOW_INPUT_GRABBED;
return 1;
}
if (SDL_strcasecmp(argv[index], "--rate") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->audiospec.freq = SDL_atoi(argv[index]);
return 2;
}
if (SDL_strcasecmp(argv[index], "--format") == 0) {
++index;
if (!argv[index]) {
return -1;
}
if (SDL_strcasecmp(argv[index], "U8") == 0) {
state->audiospec.format = AUDIO_U8;
return 2;
}
if (SDL_strcasecmp(argv[index], "S8") == 0) {
state->audiospec.format = AUDIO_S8;
return 2;
}
if (SDL_strcasecmp(argv[index], "U16") == 0) {
state->audiospec.format = AUDIO_U16;
return 2;
}
if (SDL_strcasecmp(argv[index], "U16LE") == 0) {
state->audiospec.format = AUDIO_U16LSB;
return 2;
}
if (SDL_strcasecmp(argv[index], "U16BE") == 0) {
state->audiospec.format = AUDIO_U16MSB;
return 2;
}
if (SDL_strcasecmp(argv[index], "S16") == 0) {
state->audiospec.format = AUDIO_S16;
return 2;
}
if (SDL_strcasecmp(argv[index], "S16LE") == 0) {
state->audiospec.format = AUDIO_S16LSB;
return 2;
}
if (SDL_strcasecmp(argv[index], "S16BE") == 0) {
state->audiospec.format = AUDIO_S16MSB;
return 2;
}
return -1;
}
if (SDL_strcasecmp(argv[index], "--channels") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->audiospec.channels = SDL_atoi(argv[index]);
return 2;
}
if (SDL_strcasecmp(argv[index], "--samples") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->audiospec.samples = SDL_atoi(argv[index]);
return 2;
}
if ((SDL_strcasecmp(argv[index], "-h") == 0)
|| (SDL_strcasecmp(argv[index], "--help") == 0)) {
/* Print the usage message */
return -1;
}
return 0;
}
const char *
CommonUsage(CommonState * state)
{
switch (state->flags & (SDL_INIT_VIDEO | SDL_INIT_AUDIO)) {
case SDL_INIT_VIDEO:
return VIDEO_USAGE;
case SDL_INIT_AUDIO:
return AUDIO_USAGE;
case (SDL_INIT_VIDEO | SDL_INIT_AUDIO):
return VIDEO_USAGE " " AUDIO_USAGE;
default:
return "";
}
}
static void
PrintRendererFlag(Uint32 flag)
{
switch (flag) {
286
case SDL_RENDERER_SINGLEBUFFER:
287
288
fprintf(stderr, "SingleBuffer");
break;
289
case SDL_RENDERER_PRESENTCOPY:
290
291
fprintf(stderr, "PresentCopy");
break;
292
case SDL_RENDERER_PRESENTFLIP2:
293
294
fprintf(stderr, "PresentFlip2");
break;
295
case SDL_RENDERER_PRESENTFLIP3:
296
297
fprintf(stderr, "PresentFlip3");
break;
298
case SDL_RENDERER_PRESENTDISCARD:
299
300
fprintf(stderr, "PresentDiscard");
break;
301
case SDL_RENDERER_PRESENTVSYNC:
302
303
fprintf(stderr, "PresentVSync");
break;
304
case SDL_RENDERER_ACCELERATED:
305
306
fprintf(stderr, "Accelerated");
break;
307
308
309
310
311
312
313
314
315
316
default:
fprintf(stderr, "0x%8.8x", flag);
break;
}
}
static void
PrintBlendMode(Uint32 flag)
{
switch (flag) {
317
case SDL_TEXTUREBLENDMODE_NONE:
318
319
fprintf(stderr, "None");
break;
320
case SDL_TEXTUREBLENDMODE_MASK:
321
322
fprintf(stderr, "Mask");
break;
323
case SDL_TEXTUREBLENDMODE_BLEND:
324
325
fprintf(stderr, "Blend");
break;
326
case SDL_TEXTUREBLENDMODE_ADD:
327
328
fprintf(stderr, "Add");
break;
329
case SDL_TEXTUREBLENDMODE_MOD:
330
331
332
333
334
335
336
337
338
339
340
341
fprintf(stderr, "Mod");
break;
default:
fprintf(stderr, "0x%8.8x", flag);
break;
}
}
static void
PrintScaleMode(Uint32 flag)
{
switch (flag) {
342
case SDL_TEXTURESCALEMODE_NONE:
343
344
fprintf(stderr, "None");
break;
345
case SDL_TEXTURESCALEMODE_FAST:
346
347
fprintf(stderr, "Fast");
break;
348
case SDL_TEXTURESCALEMODE_SLOW:
349
350
fprintf(stderr, "Slow");
break;
351
case SDL_TEXTURESCALEMODE_BEST:
352
353
354
355
356
357
358
359
360
361
362
363
fprintf(stderr, "Best");
break;
default:
fprintf(stderr, "0x%8.8x", flag);
break;
}
}
static void
PrintPixelFormat(Uint32 format)
{
switch (format) {
364
case SDL_PIXELFORMAT_UNKNOWN:
365
366
fprintf(stderr, "Unknwon");
break;
367
case SDL_PIXELFORMAT_INDEX1LSB:
368
369
fprintf(stderr, "Index1LSB");
break;
370
case SDL_PIXELFORMAT_INDEX1MSB:
371
372
fprintf(stderr, "Index1MSB");
break;
373
case SDL_PIXELFORMAT_INDEX4LSB:
374
375
fprintf(stderr, "Index4LSB");
break;
376
case SDL_PIXELFORMAT_INDEX4MSB:
377
378
fprintf(stderr, "Index4MSB");
break;
379
case SDL_PIXELFORMAT_INDEX8:
380
381
fprintf(stderr, "Index8");
break;
382
case SDL_PIXELFORMAT_RGB332:
383
384
fprintf(stderr, "RGB332");
break;
385
case SDL_PIXELFORMAT_RGB444:
386
387
fprintf(stderr, "RGB444");
break;
388
case SDL_PIXELFORMAT_RGB555:
389
390
fprintf(stderr, "RGB555");
break;
391
case SDL_PIXELFORMAT_ARGB4444:
392
393
fprintf(stderr, "ARGB4444");
break;
394
case SDL_PIXELFORMAT_ARGB1555:
395
396
fprintf(stderr, "ARGB1555");
break;
397
case SDL_PIXELFORMAT_RGB565:
398
399
fprintf(stderr, "RGB565");
break;
400
case SDL_PIXELFORMAT_RGB24:
401
402
fprintf(stderr, "RGB24");
break;
403
case SDL_PIXELFORMAT_BGR24:
404
405
fprintf(stderr, "BGR24");
break;
406
case SDL_PIXELFORMAT_RGB888:
407
408
fprintf(stderr, "RGB888");
break;
409
case SDL_PIXELFORMAT_BGR888:
410
411
fprintf(stderr, "BGR888");
break;
412
case SDL_PIXELFORMAT_ARGB8888:
413
414
fprintf(stderr, "ARGB8888");
break;
415
case SDL_PIXELFORMAT_RGBA8888:
416
417
fprintf(stderr, "RGBA8888");
break;
418
case SDL_PIXELFORMAT_ABGR8888:
419
420
fprintf(stderr, "ABGR8888");
break;
421
case SDL_PIXELFORMAT_BGRA8888:
422
423
fprintf(stderr, "BGRA8888");
break;
424
case SDL_PIXELFORMAT_ARGB2101010:
425
426
fprintf(stderr, "ARGB2101010");
break;
427
case SDL_PIXELFORMAT_YV12:
428
429
fprintf(stderr, "YV12");
break;
430
case SDL_PIXELFORMAT_IYUV:
431
432
fprintf(stderr, "IYUV");
break;
433
case SDL_PIXELFORMAT_YUY2:
434
435
fprintf(stderr, "YUY2");
break;
436
case SDL_PIXELFORMAT_UYVY:
437
438
fprintf(stderr, "UYVY");
break;
439
case SDL_PIXELFORMAT_YVYU:
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
fprintf(stderr, "YVYU");
break;
default:
fprintf(stderr, "0x%8.8x", format);
break;
}
}
static void
PrintRenderer(SDL_RendererInfo * info)
{
int i, count;
fprintf(stderr, " Renderer %s:\n", info->name);
fprintf(stderr, " Flags: 0x%8.8X", info->flags);
fprintf(stderr, " (");
count = 0;
for (i = 0; i < sizeof(info->flags) * 8; ++i) {
Uint32 flag = (1 << i);
if (info->flags & flag) {
if (count > 0) {
fprintf(stderr, " | ");
}
PrintRendererFlag(flag);
++count;
}
}
fprintf(stderr, ")\n");
fprintf(stderr, " Blend: 0x%8.8X", info->blend_modes);
fprintf(stderr, " (");
count = 0;
for (i = 0; i < sizeof(info->blend_modes) * 8; ++i) {
Uint32 flag = (1 << i);
if (info->blend_modes & flag) {
if (count > 0) {
fprintf(stderr, " | ");
}
PrintBlendMode(flag);
++count;
}
}
fprintf(stderr, ")\n");
fprintf(stderr, " Scale: 0x%8.8X", info->scale_modes);
fprintf(stderr, " (");
count = 0;
for (i = 0; i < sizeof(info->scale_modes) * 8; ++i) {
Uint32 flag = (1 << i);
if (info->scale_modes & flag) {
if (count > 0) {
fprintf(stderr, " | ");
}
PrintScaleMode(flag);
++count;
}
}
fprintf(stderr, ")\n");
fprintf(stderr, " Texture formats (%d): ", info->num_texture_formats);
for (i = 0; i < info->num_texture_formats; ++i) {
if (i > 0) {
fprintf(stderr, ", ");
}
PrintPixelFormat(info->texture_formats[i]);
}
fprintf(stderr, "\n");
if (info->max_texture_width || info->max_texture_height) {
fprintf(stderr, " Max Texture Size: %dx%d\n",
info->max_texture_width, info->max_texture_height);
}
}
SDL_bool
CommonInit(CommonState * state)
{
int i, j, m, n;
SDL_DisplayMode fullscreen_mode;
if (state->flags & SDL_INIT_VIDEO) {
if (state->verbose & VERBOSE_VIDEO) {
n = SDL_GetNumVideoDrivers();
if (n == 0) {
fprintf(stderr, "No built-in video drivers\n");
} else {
fprintf(stderr, "Built-in video drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetVideoDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_VideoInit(state->videodriver, 0) < 0) {
fprintf(stderr, "Couldn't initialize video driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Video driver: %s\n",
SDL_GetCurrentVideoDriver());
}
if (state->verbose & VERBOSE_MODES) {
548
SDL_DisplayMode mode;
549
550
551
552
553
554
555
556
557
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
n = SDL_GetNumVideoDisplays();
fprintf(stderr, "Number of displays: %d\n", n);
for (i = 0; i < n; ++i) {
fprintf(stderr, "Display %d:\n", i);
SDL_SelectVideoDisplay(i);
558
559
SDL_GetDesktopDisplayMode(&mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
560
561
562
&Bmask, &Amask);
fprintf(stderr,
" Current mode: %dx%d@%dHz, %d bits-per-pixel\n",
563
mode.w, mode.h, mode.refresh_rate, bpp);
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n", Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n", Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
fprintf(stderr, " Alpha Mask = 0x%.8x\n", Amask);
}
/* Print available fullscreen video modes */
m = SDL_GetNumDisplayModes();
if (m == 0) {
fprintf(stderr, "No available fullscreen video modes\n");
} else {
fprintf(stderr, " Fullscreen video modes:\n");
for (j = 0; j < m; ++j) {
579
580
SDL_GetDisplayMode(j, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
581
582
583
&Gmask, &Bmask, &Amask);
fprintf(stderr,
" Mode %d: %dx%d@%dHz, %d bits-per-pixel\n",
584
j, mode.w, mode.h, mode.refresh_rate, bpp);
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n",
Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n",
Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n",
Bmask);
if (Amask)
fprintf(stderr,
" Alpha Mask = 0x%.8x\n",
Amask);
}
}
}
}
}
SDL_SelectVideoDisplay(state->display);
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
606
n = SDL_GetNumRenderDrivers();
607
608
609
if (n == 0) {
fprintf(stderr, "No built-in render drivers\n");
} else {
610
fprintf(stderr, "Built-in render drivers:\n");
611
for (i = 0; i < n; ++i) {
612
SDL_GetRenderDriverInfo(i, &info);
613
614
615
616
617
618
619
PrintRenderer(&info);
}
}
}
switch (state->depth) {
case 8:
620
fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
621
622
break;
case 15:
623
fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
624
625
break;
case 16:
626
fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
627
628
break;
default:
629
fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
break;
}
fullscreen_mode.w = state->window_w;
fullscreen_mode.h = state->window_h;
fullscreen_mode.refresh_rate = state->refresh_rate;
SDL_SetFullscreenDisplayMode(&fullscreen_mode);
state->windows =
(SDL_WindowID *) SDL_malloc(state->num_windows *
sizeof(*state->windows));
if (!state->windows) {
fprintf(stderr, "Out of memory!\n");
return SDL_FALSE;
}
for (i = 0; i < state->num_windows; ++i) {
char title[1024];
if (state->num_windows > 1) {
SDL_snprintf(title, SDL_arraysize(title), "%s %d",
state->window_title, i + 1);
} else {
SDL_strlcpy(title, state->window_title, SDL_arraysize(title));
}
state->windows[i] =
SDL_CreateWindow(title, state->window_x, state->window_y,
state->window_w, state->window_h,
state->window_flags);
if (!state->windows[i]) {
fprintf(stderr, "Couldn't create window: %s\n",
SDL_GetError());
return SDL_FALSE;
}
663
664
665
if (!state->skip_renderer
&& (state->renderdriver
|| !(state->window_flags & SDL_WINDOW_OPENGL))) {
666
667
668
m = -1;
if (state->renderdriver) {
SDL_RendererInfo info;
669
n = SDL_GetNumRenderDrivers();
670
for (j = 0; j < n; ++j) {
671
SDL_GetRenderDriverInfo(j, &info);
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
if (SDL_strcasecmp(info.name, state->renderdriver) ==
0) {
m = j;
break;
}
}
if (m == n) {
fprintf(stderr,
"Couldn't find render driver named %s",
state->renderdriver);
return SDL_FALSE;
}
}
if (SDL_CreateRenderer
(state->windows[i], m, state->render_flags) < 0) {
fprintf(stderr, "Couldn't create renderer: %s\n",
SDL_GetError());
return SDL_FALSE;
}
691
692
693
694
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
fprintf(stderr, "Current renderer:\n");
695
SDL_GetRendererInfo(&info);
696
697
PrintRenderer(&info);
}
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
}
}
SDL_SelectRenderer(state->windows[0]);
}
if (state->flags & SDL_INIT_AUDIO) {
if (state->verbose & VERBOSE_AUDIO) {
n = SDL_GetNumAudioDrivers();
if (n == 0) {
fprintf(stderr, "No built-in audio drivers\n");
} else {
fprintf(stderr, "Built-in audio drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetAudioDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_AudioInit(state->audiodriver) < 0) {
fprintf(stderr, "Couldn't initialize audio driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Audio driver: %s\n",
SDL_GetCurrentAudioDriver());
}
if (SDL_OpenAudio(&state->audiospec, NULL) < 0) {
fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
return SDL_FALSE;
}
}
return SDL_TRUE;
}
static void
PrintEvent(SDL_Event * event)
{
fprintf(stderr, "SDL EVENT: ");
switch (event->type) {
case SDL_WINDOWEVENT:
switch (event->window.event) {
case SDL_WINDOWEVENT_SHOWN:
fprintf(stderr, "Window %d shown", event->window.windowID);
break;
case SDL_WINDOWEVENT_HIDDEN:
fprintf(stderr, "Window %d hidden", event->window.windowID);
break;
case SDL_WINDOWEVENT_EXPOSED:
752
fprintf(stderr, "Window %d exposed", event->window.windowID);
753
754
break;
case SDL_WINDOWEVENT_MOVED:
755
fprintf(stderr, "Window %d moved to %d,%d",
756
757
758
759
event->window.windowID, event->window.data1,
event->window.data2);
break;
case SDL_WINDOWEVENT_RESIZED:
760
fprintf(stderr, "Window %d resized to %dx%d",
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
event->window.windowID, event->window.data1,
event->window.data2);
break;
case SDL_WINDOWEVENT_MINIMIZED:
fprintf(stderr, "Window %d minimized", event->window.windowID);
break;
case SDL_WINDOWEVENT_MAXIMIZED:
fprintf(stderr, "Window %d maximized", event->window.windowID);
break;
case SDL_WINDOWEVENT_RESTORED:
fprintf(stderr, "Window %d restored", event->window.windowID);
break;
case SDL_WINDOWEVENT_ENTER:
fprintf(stderr, "Mouse entered window %d",
event->window.windowID);
break;
case SDL_WINDOWEVENT_LEAVE:
fprintf(stderr, "Mouse left window %d", event->window.windowID);
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
fprintf(stderr, "Window %d gained keyboard focus",
event->window.windowID);
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
fprintf(stderr, "Window %d lost keyboard focus",
event->window.windowID);
break;
788
789
790
case SDL_WINDOWEVENT_CLOSE:
fprintf(stderr, "Window %d closed", event->window.windowID);
break;
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
default:
fprintf(stderr, "Window %d got unknown event %d",
event->window.windowID, event->window.event);
break;
}
break;
case SDL_KEYDOWN:
fprintf(stderr, "Keyboard %d: key %s pressed in window %d",
event->key.which, SDL_GetKeyName(event->key.keysym.sym),
event->key.windowID);
break;
case SDL_KEYUP:
fprintf(stderr, "Keyboard %d: key %s released in window %d",
event->key.which, SDL_GetKeyName(event->key.keysym.sym),
event->key.windowID);
break;
case SDL_TEXTINPUT:
fprintf(stderr, "Keyboard %d: text input \"%s\" in window %d",
event->text.which, event->text.text, event->text.windowID);
break;
case SDL_MOUSEMOTION:
fprintf(stderr, "Mouse %d: moved to %d,%d (%d,%d) in window %d",
event->motion.which, event->motion.x, event->motion.y,
event->motion.xrel, event->motion.yrel,
event->motion.windowID);
break;
case SDL_MOUSEBUTTONDOWN:
fprintf(stderr, "Mouse %d: button %d pressed at %d,%d in window %d",
event->button.which, event->button.button, event->button.x,
event->button.y, event->button.windowID);
break;
case SDL_MOUSEBUTTONUP:
fprintf(stderr, "Mouse %d: button %d released at %d,%d in window %d",
event->button.which, event->button.button, event->button.x,
event->button.y, event->button.windowID);
break;
case SDL_MOUSEWHEEL:
fprintf(stderr, "Mouse %d: wheel scrolled %d in window %d",
event->wheel.which, event->wheel.motion,
830
event->wheel.windowID);
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
break;
case SDL_JOYBALLMOTION:
fprintf(stderr, "Joystick %d: ball %d moved by %d,%d",
event->jball.which, event->jball.ball, event->jball.xrel,
event->jball.yrel);
break;
case SDL_JOYHATMOTION:
fprintf(stderr, "Joystick %d: hat %d moved to ", event->jhat.which,
event->jhat.hat);
switch (event->jhat.value) {
case SDL_HAT_CENTERED:
fprintf(stderr, "CENTER");
break;
case SDL_HAT_UP:
fprintf(stderr, "UP");
break;
case SDL_HAT_RIGHTUP:
fprintf(stderr, "RIGHTUP");
break;
case SDL_HAT_RIGHT:
fprintf(stderr, "RIGHT");
break;
case SDL_HAT_RIGHTDOWN:
fprintf(stderr, "RIGHTDOWN");
break;
case SDL_HAT_DOWN:
fprintf(stderr, "DOWN");
break;
case SDL_HAT_LEFTDOWN:
fprintf(stderr, "LEFTDOWN");
break;
case SDL_HAT_LEFT:
fprintf(stderr, "LEFT");
break;
case SDL_HAT_LEFTUP:
fprintf(stderr, "LEFTUP");
break;
default:
fprintf(stderr, "UNKNOWN");
break;
}
break;
case SDL_JOYBUTTONDOWN:
fprintf(stderr, "Joystick %d: button %d pressed",
event->jbutton.which, event->jbutton.button);
break;
case SDL_JOYBUTTONUP:
fprintf(stderr, "Joystick %d: button %d released",
event->jbutton.which, event->jbutton.button);
break;
case SDL_QUIT:
fprintf(stderr, "Quit requested");
break;
case SDL_USEREVENT:
fprintf(stderr, "User event %d", event->user.code);
break;
default:
fprintf(stderr, "Unknown event %d", event->type);
break;
}
fprintf(stderr, "\n");
}
void
CommonEvent(CommonState * state, SDL_Event * event, int *done)
{
if (state->verbose & VERBOSE_EVENT) {
PrintEvent(event);
}
switch (event->type) {
case SDL_WINDOWEVENT:
switch (event->window.event) {
case SDL_WINDOWEVENT_CLOSE:
*done = 1;
break;
}
break;
case SDL_KEYDOWN:
switch (event->key.keysym.sym) {
/* Add hotkeys here */
912
913
914
915
916
case SDLK_g:
if (event->key.keysym.mod & KMOD_CTRL) {
/* Ctrl-G toggle grab */
}
break;
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
case SDLK_ESCAPE:
*done = 1;
break;
default:
break;
}
break;
case SDL_QUIT:
*done = 1;
break;
}
}
void
CommonQuit(CommonState * state)
{
if (state->flags & SDL_INIT_VIDEO) {
SDL_VideoQuit();
}
if (state->flags & SDL_INIT_AUDIO) {
SDL_AudioQuit();
}
if (state->windows) {
SDL_free(state->windows);
}
SDL_free(state);
}