This repository has been archived by the owner on Feb 11, 2021.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
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;
}
164
165
166
167
168
169
170
171
if (SDL_strcasecmp(argv[index], "--depth") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->depth = SDL_atoi(argv[index]);
return 2;
}
172
173
174
175
176
177
178
179
180
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) {
181
state->render_flags |= SDL_RENDERER_PRESENTVSYNC;
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
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;
}
256
state->audiospec.channels = (Uint8) SDL_atoi(argv[index]);
257
258
259
260
261
262
263
return 2;
}
if (SDL_strcasecmp(argv[index], "--samples") == 0) {
++index;
if (!argv[index]) {
return -1;
}
264
state->audiospec.samples = (Uint16) SDL_atoi(argv[index]);
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
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) {
294
case SDL_RENDERER_SINGLEBUFFER:
295
296
fprintf(stderr, "SingleBuffer");
break;
297
case SDL_RENDERER_PRESENTCOPY:
298
299
fprintf(stderr, "PresentCopy");
break;
300
case SDL_RENDERER_PRESENTFLIP2:
301
302
fprintf(stderr, "PresentFlip2");
break;
303
case SDL_RENDERER_PRESENTFLIP3:
304
305
fprintf(stderr, "PresentFlip3");
break;
306
case SDL_RENDERER_PRESENTDISCARD:
307
308
fprintf(stderr, "PresentDiscard");
break;
309
case SDL_RENDERER_PRESENTVSYNC:
310
311
fprintf(stderr, "PresentVSync");
break;
312
case SDL_RENDERER_ACCELERATED:
313
314
fprintf(stderr, "Accelerated");
break;
315
316
317
318
319
320
321
322
323
324
default:
fprintf(stderr, "0x%8.8x", flag);
break;
}
}
static void
PrintBlendMode(Uint32 flag)
{
switch (flag) {
325
case SDL_TEXTUREBLENDMODE_NONE:
326
327
fprintf(stderr, "None");
break;
328
case SDL_TEXTUREBLENDMODE_MASK:
329
330
fprintf(stderr, "Mask");
break;
331
case SDL_TEXTUREBLENDMODE_BLEND:
332
333
fprintf(stderr, "Blend");
break;
334
case SDL_TEXTUREBLENDMODE_ADD:
335
336
fprintf(stderr, "Add");
break;
337
case SDL_TEXTUREBLENDMODE_MOD:
338
339
340
341
342
343
344
345
346
347
348
349
fprintf(stderr, "Mod");
break;
default:
fprintf(stderr, "0x%8.8x", flag);
break;
}
}
static void
PrintScaleMode(Uint32 flag)
{
switch (flag) {
350
case SDL_TEXTURESCALEMODE_NONE:
351
352
fprintf(stderr, "None");
break;
353
case SDL_TEXTURESCALEMODE_FAST:
354
355
fprintf(stderr, "Fast");
break;
356
case SDL_TEXTURESCALEMODE_SLOW:
357
358
fprintf(stderr, "Slow");
break;
359
case SDL_TEXTURESCALEMODE_BEST:
360
361
362
363
364
365
366
367
368
369
370
371
fprintf(stderr, "Best");
break;
default:
fprintf(stderr, "0x%8.8x", flag);
break;
}
}
static void
PrintPixelFormat(Uint32 format)
{
switch (format) {
372
case SDL_PIXELFORMAT_UNKNOWN:
373
374
fprintf(stderr, "Unknwon");
break;
375
case SDL_PIXELFORMAT_INDEX1LSB:
376
377
fprintf(stderr, "Index1LSB");
break;
378
case SDL_PIXELFORMAT_INDEX1MSB:
379
380
fprintf(stderr, "Index1MSB");
break;
381
case SDL_PIXELFORMAT_INDEX4LSB:
382
383
fprintf(stderr, "Index4LSB");
break;
384
case SDL_PIXELFORMAT_INDEX4MSB:
385
386
fprintf(stderr, "Index4MSB");
break;
387
case SDL_PIXELFORMAT_INDEX8:
388
389
fprintf(stderr, "Index8");
break;
390
case SDL_PIXELFORMAT_RGB332:
391
392
fprintf(stderr, "RGB332");
break;
393
case SDL_PIXELFORMAT_RGB444:
394
395
fprintf(stderr, "RGB444");
break;
396
case SDL_PIXELFORMAT_RGB555:
397
398
fprintf(stderr, "RGB555");
break;
399
case SDL_PIXELFORMAT_ARGB4444:
400
401
fprintf(stderr, "ARGB4444");
break;
402
case SDL_PIXELFORMAT_ARGB1555:
403
404
fprintf(stderr, "ARGB1555");
break;
405
case SDL_PIXELFORMAT_RGB565:
406
407
fprintf(stderr, "RGB565");
break;
408
case SDL_PIXELFORMAT_RGB24:
409
410
fprintf(stderr, "RGB24");
break;
411
case SDL_PIXELFORMAT_BGR24:
412
413
fprintf(stderr, "BGR24");
break;
414
case SDL_PIXELFORMAT_RGB888:
415
416
fprintf(stderr, "RGB888");
break;
417
case SDL_PIXELFORMAT_BGR888:
418
419
fprintf(stderr, "BGR888");
break;
420
case SDL_PIXELFORMAT_ARGB8888:
421
422
fprintf(stderr, "ARGB8888");
break;
423
case SDL_PIXELFORMAT_RGBA8888:
424
425
fprintf(stderr, "RGBA8888");
break;
426
case SDL_PIXELFORMAT_ABGR8888:
427
428
fprintf(stderr, "ABGR8888");
break;
429
case SDL_PIXELFORMAT_BGRA8888:
430
431
fprintf(stderr, "BGRA8888");
break;
432
case SDL_PIXELFORMAT_ARGB2101010:
433
434
fprintf(stderr, "ARGB2101010");
break;
435
case SDL_PIXELFORMAT_YV12:
436
437
fprintf(stderr, "YV12");
break;
438
case SDL_PIXELFORMAT_IYUV:
439
440
fprintf(stderr, "IYUV");
break;
441
case SDL_PIXELFORMAT_YUY2:
442
443
fprintf(stderr, "YUY2");
break;
444
case SDL_PIXELFORMAT_UYVY:
445
446
fprintf(stderr, "UYVY");
break;
447
case SDL_PIXELFORMAT_YVYU:
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
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);
509
for (i = 0; i < (int) info->num_texture_formats; ++i) {
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
548
549
550
551
552
553
554
555
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) {
556
SDL_DisplayMode mode;
557
558
559
560
561
562
563
564
565
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);
566
567
SDL_GetDesktopDisplayMode(&mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
568
569
570
&Bmask, &Amask);
fprintf(stderr,
" Current mode: %dx%d@%dHz, %d bits-per-pixel\n",
571
mode.w, mode.h, mode.refresh_rate, bpp);
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
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) {
587
588
SDL_GetDisplayMode(j, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
589
590
591
&Gmask, &Bmask, &Amask);
fprintf(stderr,
" Mode %d: %dx%d@%dHz, %d bits-per-pixel\n",
592
j, mode.w, mode.h, mode.refresh_rate, bpp);
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
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;
614
n = SDL_GetNumRenderDrivers();
615
616
617
if (n == 0) {
fprintf(stderr, "No built-in render drivers\n");
} else {
618
fprintf(stderr, "Built-in render drivers:\n");
619
for (i = 0; i < n; ++i) {
620
SDL_GetRenderDriverInfo(i, &info);
621
622
623
624
625
626
627
PrintRenderer(&info);
}
}
}
switch (state->depth) {
case 8:
628
fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
629
630
break;
case 15:
631
fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
632
633
break;
case 16:
634
fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
635
636
break;
default:
637
fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
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
663
664
665
666
667
668
669
670
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;
}
671
672
673
if (!state->skip_renderer
&& (state->renderdriver
|| !(state->window_flags & SDL_WINDOW_OPENGL))) {
674
675
676
m = -1;
if (state->renderdriver) {
SDL_RendererInfo info;
677
n = SDL_GetNumRenderDrivers();
678
for (j = 0; j < n; ++j) {
679
SDL_GetRenderDriverInfo(j, &info);
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
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;
}
699
700
701
702
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
fprintf(stderr, "Current renderer:\n");
703
SDL_GetRendererInfo(&info);
704
705
PrintRenderer(&info);
}
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
752
753
754
755
756
757
758
759
}
}
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:
760
fprintf(stderr, "Window %d exposed", event->window.windowID);
761
762
break;
case SDL_WINDOWEVENT_MOVED:
763
fprintf(stderr, "Window %d moved to %d,%d",
764
765
766
767
event->window.windowID, event->window.data1,
event->window.data2);
break;
case SDL_WINDOWEVENT_RESIZED:
768
fprintf(stderr, "Window %d resized to %dx%d",
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
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;
796
797
798
case SDL_WINDOWEVENT_CLOSE:
fprintf(stderr, "Window %d closed", event->window.windowID);
break;
799
800
801
802
803
804
805
default:
fprintf(stderr, "Window %d got unknown event %d",
event->window.windowID, event->window.event);
break;
}
break;
case SDL_KEYDOWN:
806
fprintf(stderr,
807
808
809
810
811
"Keyboard %d: key pressed in window %d: scancode 0x%08X = %s, keycode 0x%08X = %s",
event->key.which, event->key.windowID,
event->key.keysym.scancode,
SDL_GetScancodeName(event->key.keysym.scancode),
event->key.keysym.sym, SDL_GetKeyName(event->key.keysym.sym));
812
813
break;
case SDL_KEYUP:
814
fprintf(stderr,
815
816
817
818
819
"Keyboard %d: key released in window %d: scancode 0x%08X = %s, keycode 0x%08X = %s",
event->key.which, event->key.windowID,
event->key.keysym.scancode,
SDL_GetScancodeName(event->key.keysym.scancode),
event->key.keysym.sym, SDL_GetKeyName(event->key.keysym.sym));
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
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:
842
843
fprintf(stderr,
"Mouse %d: wheel scrolled %d in x and %d in y in window %d",
844
event->wheel.which, event->wheel.x, event->wheel.y,
845
event->wheel.windowID);
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
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
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 */
927
928
929
930
931
case SDLK_g:
if (event->key.keysym.mod & KMOD_CTRL) {
/* Ctrl-G toggle grab */
}
break;
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
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);
}