/
SDL_x11modes.c
1128 lines (999 loc) · 35 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2009 Sam Lantinga
4
5
This library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
9
10
11
12
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
14
15
16
17
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19
Sam Lantinga
20
slouken@libsdl.org
21
*/
22
#include "SDL_config.h"
23
24
25
/* Utilities for getting and setting the X display mode */
26
#include <stdio.h>
27
28
29
#include "SDL_timer.h"
#include "SDL_events.h"
30
#include "../../events/SDL_events_c.h"
31
32
33
#include "SDL_x11video.h"
#include "SDL_x11wm_c.h"
#include "SDL_x11modes_c.h"
34
#include "SDL_x11image_c.h"
35
36
37
/*#define X11MODES_DEBUG*/
38
#define MAX(a, b) (a > b ? a : b)
39
40
41
42
43
44
45
46
47
48
49
50
51
#if SDL_VIDEO_DRIVER_X11_XRANDR
static int cmpmodelist(const void *va, const void *vb)
{
const SDL_Rect *a = *(const SDL_Rect **)va;
const SDL_Rect *b = *(const SDL_Rect **)vb;
if ( a->w == b->w )
return b->h - a->h;
else
return b->w - a->w;
}
#endif
52
#if SDL_VIDEO_DRIVER_X11_VIDMODE
53
Bool SDL_NAME(XF86VidModeGetModeInfo)(Display *dpy, int scr, SDL_NAME(XF86VidModeModeInfo) *info)
54
{
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
Bool retval;
int dotclock;
SDL_NAME(XF86VidModeModeLine) l;
SDL_memset(&l, 0, sizeof(l));
retval = SDL_NAME(XF86VidModeGetModeLine)(dpy, scr, &dotclock, &l);
info->dotclock = dotclock;
info->hdisplay = l.hdisplay;
info->hsyncstart = l.hsyncstart;
info->hsyncend = l.hsyncend;
info->htotal = l.htotal;
info->hskew = l.hskew;
info->vdisplay = l.vdisplay;
info->vsyncstart = l.vsyncstart;
info->vsyncend = l.vsyncend;
info->vtotal = l.vtotal;
info->flags = l.flags;
info->privsize = l.privsize;
info->private = l.private;
return retval;
74
}
75
#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
76
77
#if SDL_VIDEO_DRIVER_X11_VIDMODE
78
79
static void save_mode(_THIS)
{
80
SDL_memset(&saved_mode, 0, sizeof(saved_mode));
81
82
SDL_NAME(XF86VidModeGetModeInfo)(SDL_Display,SDL_Screen,&saved_mode);
SDL_NAME(XF86VidModeGetViewPort)(SDL_Display,SDL_Screen,&saved_view.x,&saved_view.y);
83
84
85
}
#endif
86
#if SDL_VIDEO_DRIVER_X11_VIDMODE
87
88
static void restore_mode(_THIS)
{
89
SDL_NAME(XF86VidModeModeLine) mode;
90
91
int unused;
92
if ( SDL_NAME(XF86VidModeGetModeLine)(SDL_Display, SDL_Screen, &unused, &mode) ) {
93
94
if ( (saved_mode.hdisplay != mode.hdisplay) ||
(saved_mode.vdisplay != mode.vdisplay) ) {
95
SDL_NAME(XF86VidModeSwitchToMode)(SDL_Display, SDL_Screen, &saved_mode);
96
97
98
}
}
if ( (saved_view.x != 0) || (saved_view.y != 0) ) {
99
SDL_NAME(XF86VidModeSetViewPort)(SDL_Display, SDL_Screen, saved_view.x, saved_view.y);
100
101
102
103
}
}
#endif
104
#if SDL_VIDEO_DRIVER_X11_VIDMODE
105
106
static int cmpmodes(const void *va, const void *vb)
{
107
108
const SDL_NAME(XF86VidModeModeInfo) *a = *(const SDL_NAME(XF86VidModeModeInfo)**)va;
const SDL_NAME(XF86VidModeModeInfo) *b = *(const SDL_NAME(XF86VidModeModeInfo)**)vb;
109
110
111
112
if ( a->hdisplay == b->hdisplay )
return b->vdisplay - a->vdisplay;
else
return b->hdisplay - a->hdisplay;
113
114
115
}
#endif
116
117
static void get_real_resolution(_THIS, int* w, int* h);
118
119
static void set_best_resolution(_THIS, int width, int height)
{
120
#if SDL_VIDEO_DRIVER_X11_VIDMODE
121
if ( use_vidmode ) {
122
123
SDL_NAME(XF86VidModeModeLine) mode;
SDL_NAME(XF86VidModeModeInfo) **modes;
124
125
int i;
int nmodes;
126
int best = -1;
127
128
if ( SDL_NAME(XF86VidModeGetModeLine)(SDL_Display, SDL_Screen, &i, &mode) &&
129
SDL_NAME(XF86VidModeGetAllModeLines)(SDL_Display,SDL_Screen,&nmodes,&modes) ) {
130
for ( i = 0; i < nmodes ; i++ ) {
131
if ( (modes[i]->hdisplay == width) &&
132
133
134
135
136
137
138
139
140
141
142
143
(modes[i]->vdisplay == height) ) {
best = i;
break;
}
if ( modes[i]->hdisplay >= width &&
modes[i]->vdisplay >= height ) {
if ( best < 0 ||
(modes[i]->hdisplay < modes[best]->hdisplay &&
modes[i]->vdisplay <= modes[best]->vdisplay) ||
(modes[i]->vdisplay < modes[best]->vdisplay &&
modes[i]->hdisplay <= modes[best]->hdisplay) ) {
best = i;
144
145
}
}
146
}
147
148
149
150
151
152
153
154
155
if ( best >= 0 &&
((modes[best]->hdisplay != mode.hdisplay) ||
(modes[best]->vdisplay != mode.vdisplay)) ) {
#ifdef X11MODES_DEBUG
printf("Best Mode %d: %d x %d @ %d\n", best,
modes[best]->hdisplay, modes[best]->vdisplay,
(modes[best]->htotal && modes[best]->vtotal) ? (1000 * modes[best]->dotclock / (modes[best]->htotal * modes[best]->vtotal)) : 0 );
#endif
SDL_NAME(XF86VidModeSwitchToMode)(SDL_Display, SDL_Screen, modes[best]);
156
}
157
XFree(modes);
158
159
}
}
160
#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
161
162
/* XiG */
163
#if SDL_VIDEO_DRIVER_X11_XME
164
if ( use_xme && SDL_modelist ) {
165
int i;
166
167
168
169
170
#ifdef X11MODES_DEBUG
fprintf(stderr, "XME: set_best_resolution(): w = %d, h = %d\n",
width, height);
#endif
171
for ( i=0; SDL_modelist[i]; ++i ) {
172
if ( (SDL_modelist[i]->w >= width) &&
173
(SDL_modelist[i]->h >= height) ) {
174
175
break;
}
176
}
177
178
179
if ( SDL_modelist[i] ) { /* found one, lets try it */
int w, h;
180
181
/* check current mode so we can avoid uneccessary mode changes */
182
get_real_resolution(this, &w, &h);
183
184
if ( (SDL_modelist[i]->w != w) || (SDL_modelist[i]->h != h) ) {
185
#ifdef X11MODES_DEBUG
186
187
fprintf(stderr, "XME: set_best_resolution: "
"XiGMiscChangeResolution: %d %d\n",
188
189
SDL_modelist[i]->w, SDL_modelist[i]->h);
#endif
190
191
192
193
194
195
XiGMiscChangeResolution(SDL_Display,
SDL_Screen,
0, /* view */
SDL_modelist[i]->w,
SDL_modelist[i]->h,
0);
196
XSync(SDL_Display, False);
197
198
199
}
}
}
200
#endif /* SDL_VIDEO_DRIVER_X11_XME */
201
202
#if SDL_VIDEO_DRIVER_X11_XRANDR
203
if ( use_xrandr && SDL_modelist ) {
204
#ifdef X11MODES_DEBUG
205
206
207
fprintf(stderr, "XRANDR: set_best_resolution(): w = %d, h = %d\n",
width, height);
#endif
208
209
210
211
212
213
214
215
216
int i, nsizes;
XRRScreenSize *sizes;
/* find the smallest resolution that is at least as big as the user requested */
sizes = XRRConfigSizes(screen_config, &nsizes);
for ( i = (nsizes-1); i >= 0; i-- ) {
if ( (SDL_modelist[i]->w >= width) &&
(SDL_modelist[i]->h >= height) ) {
break;
217
}
219
220
221
if ( i >= 0 && SDL_modelist[i] ) { /* found one, lets try it */
int w, h;
222
223
224
/* check current mode so we can avoid uneccessary mode changes */
get_real_resolution(this, &w, &h);
225
226
227
if ( (SDL_modelist[i]->w != w) || (SDL_modelist[i]->h != h) ) {
int size_id;
228
229
#ifdef X11MODES_DEBUG
230
231
232
fprintf(stderr, "XRANDR: set_best_resolution: "
"XXRSetScreenConfig: %d %d\n",
SDL_modelist[i]->w, SDL_modelist[i]->h);
233
234
#endif
235
236
237
238
239
/* find the matching size entry index */
for ( size_id = 0; size_id < nsizes; ++size_id ) {
if ( (sizes[size_id].width == SDL_modelist[i]->w) &&
(sizes[size_id].height == SDL_modelist[i]->h) )
break;
240
}
241
242
243
XRRSetScreenConfig(SDL_Display, screen_config, SDL_Root,
size_id, saved_rotation, CurrentTime);
244
245
246
247
}
}
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
248
249
250
251
}
static void get_real_resolution(_THIS, int* w, int* h)
{
252
#if SDL_VIDEO_DRIVER_X11_XME
253
254
255
256
257
if ( use_xme ) {
int ractive;
XiGMiscResolutionInfo *modelist;
XiGMiscQueryResolutions(SDL_Display, SDL_Screen,
258
259
0, /* view */
&ractive, &modelist);
260
261
*w = modelist[ractive].width;
*h = modelist[ractive].height;
262
#ifdef X11MODES_DEBUG
263
264
265
266
267
fprintf(stderr, "XME: get_real_resolution: w = %d h = %d\n", *w, *h);
#endif
XFree(modelist);
return;
}
268
269
#endif /* SDL_VIDEO_DRIVER_X11_XME */
270
271
272
273
274
275
276
277
278
279
280
281
282
#if SDL_VIDEO_DRIVER_X11_VIDMODE
if ( use_vidmode ) {
SDL_NAME(XF86VidModeModeLine) mode;
int unused;
if ( SDL_NAME(XF86VidModeGetModeLine)(SDL_Display, SDL_Screen, &unused, &mode) ) {
*w = mode.hdisplay;
*h = mode.vdisplay;
return;
}
}
#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
#if SDL_VIDEO_DRIVER_X11_XRANDR
if ( use_xrandr ) {
int nsizes;
XRRScreenSize* sizes;
sizes = XRRConfigSizes(screen_config, &nsizes);
if ( nsizes > 0 ) {
int cur_size;
Rotation cur_rotation;
cur_size = XRRConfigCurrentConfiguration(screen_config, &cur_rotation);
if ( cur_size >= 0 && cur_size < nsizes ) {
*w = sizes[cur_size].width;
*h = sizes[cur_size].height;
}
298
#ifdef X11MODES_DEBUG
299
300
301
302
303
304
fprintf(stderr, "XRANDR: get_real_resolution: w = %d h = %d\n", *w, *h);
#endif
return;
}
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
305
306
307
308
309
310
311
312
313
#if SDL_VIDEO_DRIVER_X11_XINERAMA
if ( use_xinerama ) {
*w = xinerama_info.width;
*h = xinerama_info.height;
return;
}
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
314
315
316
317
318
319
320
321
322
*w = DisplayWidth(SDL_Display, SDL_Screen);
*h = DisplayHeight(SDL_Display, SDL_Screen);
}
/* Called after mapping a window - waits until the window is mapped */
void X11_WaitMapped(_THIS, Window win)
{
XEvent event;
do {
323
XMaskEvent(SDL_Display, StructureNotifyMask, &event);
324
325
326
327
328
329
330
331
} while ( (event.type != MapNotify) || (event.xmap.event != win) );
}
/* Called after unmapping a window - waits until the window is unmapped */
void X11_WaitUnmapped(_THIS, Window win)
{
XEvent event;
do {
332
XMaskEvent(SDL_Display, StructureNotifyMask, &event);
333
334
335
336
337
} while ( (event.type != UnmapNotify) || (event.xunmap.event != win) );
}
static void move_cursor_to(_THIS, int x, int y)
{
338
XWarpPointer(SDL_Display, None, SDL_Root, 0, 0, 0, 0, x, y);
339
340
341
342
343
}
static int add_visual(_THIS, int depth, int class)
{
XVisualInfo vi;
344
if(XMatchVisualInfo(SDL_Display, SDL_Screen, depth, class, &vi)) {
345
346
347
348
int n = this->hidden->nvisuals;
this->hidden->visuals[n].depth = vi.depth;
this->hidden->visuals[n].visual = vi.visual;
this->hidden->nvisuals++;
349
350
351
352
353
354
355
356
357
}
return(this->hidden->nvisuals);
}
static int add_visual_byid(_THIS, const char *visual_id)
{
XVisualInfo *vi, template;
int nvis;
if ( visual_id ) {
358
359
SDL_memset(&template, 0, (sizeof template));
template.visualid = SDL_strtol(visual_id, NULL, 0);
360
vi = XGetVisualInfo(SDL_Display, VisualIDMask, &template, &nvis);
361
if ( vi ) {
362
363
364
365
int n = this->hidden->nvisuals;
this->hidden->visuals[n].depth = vi->depth;
this->hidden->visuals[n].visual = vi->visual;
this->hidden->nvisuals++;
366
XFree(vi);
367
368
369
370
371
372
373
374
}
}
return(this->hidden->nvisuals);
}
/* Global for the error handler */
int vm_event, vm_error = -1;
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
#if SDL_VIDEO_DRIVER_X11_XINERAMA
static int CheckXinerama(_THIS, int *major, int *minor)
{
const char *env;
/* Default the extension not available */
*major = *minor = 0;
/* Allow environment override */
env = getenv("SDL_VIDEO_X11_XINERAMA");
if ( env && !SDL_atoi(env) ) {
return 0;
}
/* Query the extension version */
if ( !SDL_NAME(XineramaQueryExtension)(SDL_Display, major, minor) ||
!SDL_NAME(XineramaIsActive)(SDL_Display) ) {
return 0;
}
return 1;
}
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
398
399
400
#if SDL_VIDEO_DRIVER_X11_XRANDR
static int CheckXRandR(_THIS, int *major, int *minor)
{
401
const char *env;
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
/* Default the extension not available */
*major = *minor = 0;
/* Allow environment override */
env = getenv("SDL_VIDEO_X11_XRANDR");
if ( env && !SDL_atoi(env) ) {
return 0;
}
/* This defaults off now, due to KDE window maximize problems */
if ( !env ) {
return 0;
}
if ( !SDL_X11_HAVE_XRANDR ) {
return 0;
}
/* Query the extension version */
if ( !XRRQueryVersion(SDL_Display, major, minor) ) {
return 0;
}
return 1;
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
#if SDL_VIDEO_DRIVER_X11_VIDMODE
static int CheckVidMode(_THIS, int *major, int *minor)
{
432
const char *env;
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
/* Default the extension not available */
*major = *minor = 0;
/* Allow environment override */
env = getenv("SDL_VIDEO_X11_VIDMODE");
if ( env && !SDL_atoi(env) ) {
return 0;
}
/* Metro-X 4.3.0 and earlier has a broken implementation of
XF86VidModeGetAllModeLines() - it hangs the client.
*/
if ( SDL_strcmp(ServerVendor(SDL_Display), "Metro Link Incorporated") == 0 ) {
FILE *metro_fp;
metro_fp = fopen("/usr/X11R6/lib/X11/Metro/.version", "r");
if ( metro_fp != NULL ) {
int major, minor, patch, version;
major = 0; minor = 0; patch = 0;
fscanf(metro_fp, "%d.%d.%d", &major, &minor, &patch);
fclose(metro_fp);
version = major*100+minor*10+patch;
if ( version < 431 ) {
return 0;
}
}
}
/* Query the extension version */
464
465
466
467
468
469
470
471
472
473
474
if ( !SDL_NAME(XF86VidModeQueryExtension)(SDL_Display, &vm_event, &vm_error) ||
!SDL_NAME(XF86VidModeQueryVersion)(SDL_Display, major, minor) ) {
return 0;
}
return 1;
}
#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
#if SDL_VIDEO_DRIVER_X11_XME
static int CheckXME(_THIS, int *major, int *minor)
{
475
const char *env;
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
/* Default the extension not available */
*major = *minor = 0;
/* Allow environment override */
env = getenv("SDL_VIDEO_X11_VIDMODE");
if ( env && !SDL_atoi(env) ) {
return 0;
}
/* Query the extension version */
if ( !XiGMiscQueryVersion(SDL_Display, major, minor) ) {
return 0;
}
return 1;
}
#endif /* SDL_VIDEO_DRIVER_X11_XME */
494
495
int X11_GetVideoModes(_THIS)
{
496
497
498
#if SDL_VIDEO_DRIVER_X11_XINERAMA
int xinerama_major, xinerama_minor;
#endif
499
500
501
502
503
#if SDL_VIDEO_DRIVER_X11_XRANDR
int xrandr_major, xrandr_minor;
int nsizes;
XRRScreenSize *sizes;
#endif
504
#if SDL_VIDEO_DRIVER_X11_VIDMODE
505
506
int vm_major, vm_minor;
int nmodes;
507
SDL_NAME(XF86VidModeModeInfo) **modes;
508
#endif
509
#if SDL_VIDEO_DRIVER_X11_XME
510
511
512
int xme_major, xme_minor;
int ractive, nummodes;
XiGMiscResolutionInfo *modelist;
513
#endif
514
515
516
int i, n;
int screen_w;
int screen_h;
517
518
use_xinerama = 0;
519
use_xrandr = 0;
520
521
use_vidmode = 0;
use_xme = 0;
522
523
524
screen_w = DisplayWidth(SDL_Display, SDL_Screen);
screen_h = DisplayHeight(SDL_Display, SDL_Screen);
525
526
527
528
#if SDL_VIDEO_DRIVER_X11_XINERAMA
/* Query Xinerama extention */
if ( CheckXinerama(this, &xinerama_major, &xinerama_minor) ) {
/* Find out which screen is the desired one */
529
int desired = -1;
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
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
int screens;
int w, h;
SDL_NAME(XineramaScreenInfo) *xinerama;
const char *variable = SDL_getenv("SDL_VIDEO_FULLSCREEN_HEAD");
if ( variable ) {
desired = SDL_atoi(variable);
}
#ifdef X11MODES_DEBUG
printf("X11 detected Xinerama:\n");
#endif
xinerama = SDL_NAME(XineramaQueryScreens)(SDL_Display, &screens);
for ( i = 0; i < screens; i++ ) {
#ifdef X11MODES_DEBUG
printf("xinerama %d: %dx%d+%d+%d\n",
xinerama[i].screen_number,
xinerama[i].width, xinerama[i].height,
xinerama[i].x_org, xinerama[i].y_org);
#endif
if ( xinerama[i].screen_number == desired ) {
use_xinerama = 1;
xinerama_info = xinerama[i];
}
}
XFree(xinerama);
if ( use_xinerama ) {
SDL_modelist = (SDL_Rect **)SDL_malloc(3*sizeof(SDL_Rect *));
if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
}
/* Add the full xinerama mode */
n = 0;
w = xinerama_info.width;
h = xinerama_info.height;
if ( screen_w > w || screen_h > h) {
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] ) {
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = screen_w;
SDL_modelist[n]->h = screen_h;
++n;
}
}
/* Add the head xinerama mode */
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] ) {
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = w;
SDL_modelist[n]->h = h;
++n;
}
SDL_modelist[n] = NULL;
}
}
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
592
#if SDL_VIDEO_DRIVER_X11_XRANDR
593
/* XRandR */
594
/* require at least XRandR v1.0 (arbitrary) */
595
596
if ( CheckXRandR(this, &xrandr_major, &xrandr_minor) && (xrandr_major >= 1) )
{
597
#ifdef X11MODES_DEBUG
598
599
600
601
602
603
604
605
606
607
608
609
fprintf(stderr, "XRANDR: XRRQueryVersion: V%d.%d\n",
xrandr_major, xrandr_minor);
#endif
/* save the screen configuration since we must reference it
each time we toggle modes.
*/
screen_config = XRRGetScreenInfo(SDL_Display, SDL_Root);
/* retrieve the list of resolution */
sizes = XRRConfigSizes(screen_config, &nsizes);
if (nsizes > 0) {
610
611
612
613
614
615
if ( SDL_modelist ) {
for ( i = 0; SDL_modelist[i]; ++i ) {
SDL_free(SDL_modelist[i]);
}
SDL_free(SDL_modelist);
}
616
SDL_modelist = (SDL_Rect **)malloc((nsizes+1)*sizeof(SDL_Rect *));
617
618
619
620
621
622
623
624
625
626
627
if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
}
for ( i=0; i < nsizes; i++ ) {
if ((SDL_modelist[i] =
(SDL_Rect *)malloc(sizeof(SDL_Rect))) == NULL)
break;
#ifdef X11MODES_DEBUG
fprintf(stderr, "XRANDR: mode = %4d, w = %4d, h = %4d\n",
i, sizes[i].width, sizes[i].height);
628
629
#endif
630
631
632
633
SDL_modelist[i]->x = 0;
SDL_modelist[i]->y = 0;
SDL_modelist[i]->w = sizes[i].width;
SDL_modelist[i]->h = sizes[i].height;
634
635
}
636
/* sort the mode list descending as SDL expects */
637
SDL_qsort(SDL_modelist, nsizes, sizeof *SDL_modelist, cmpmodelist);
638
639
SDL_modelist[i] = NULL; /* terminator */
640
641
642
643
644
645
use_xrandr = xrandr_major * 100 + xrandr_minor;
saved_size_id = XRRConfigCurrentConfiguration(screen_config, &saved_rotation);
}
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
646
#if SDL_VIDEO_DRIVER_X11_VIDMODE
647
/* XVidMode */
648
if ( !use_xrandr &&
649
#if SDL_VIDEO_DRIVER_X11_XINERAMA
650
(!use_xinerama || xinerama_info.screen_number == -1) &&
652
CheckVidMode(this, &vm_major, &vm_minor) &&
653
654
SDL_NAME(XF86VidModeGetAllModeLines)(SDL_Display, SDL_Screen,&nmodes,&modes) )
{
655
#ifdef X11MODES_DEBUG
656
printf("VidMode modes: (unsorted)\n");
657
658
659
for ( i = 0; i < nmodes; ++i ) {
printf("Mode %d: %d x %d @ %d\n", i,
modes[i]->hdisplay, modes[i]->vdisplay,
660
(modes[i]->htotal && modes[i]->vtotal) ? (1000 * modes[i]->dotclock / (modes[i]->htotal * modes[i]->vtotal)) : 0 );
661
662
}
#endif
663
if ( SDL_modelist ) {
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
for ( i = 0; SDL_modelist[i]; ++i ) {
SDL_free(SDL_modelist[i]);
}
SDL_free(SDL_modelist);
}
SDL_modelist = (SDL_Rect **)SDL_malloc((nmodes+2)*sizeof(SDL_Rect *));
if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
}
SDL_qsort(modes, nmodes, sizeof *modes, cmpmodes);
n = 0;
for ( i=0; i<nmodes; ++i ) {
int w, h;
/* Eliminate duplicate modes with different refresh rates */
if ( i > 0 &&
modes[i]->hdisplay == modes[i-1]->hdisplay &&
modes[i]->vdisplay == modes[i-1]->vdisplay ) {
continue;
}
685
686
687
688
689
690
691
692
693
694
695
696
697
/* Check to see if we should add the screen size (Xinerama) */
w = modes[i]->hdisplay;
h = modes[i]->vdisplay;
if ( (screen_w * screen_h) >= (w * h) ) {
if ( (screen_w != w) || (screen_h != h) ) {
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] ) {
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = screen_w;
SDL_modelist[n]->h = screen_h;
++n;
698
699
}
}
700
701
702
screen_w = 0;
screen_h = 0;
}
703
704
705
706
707
/* Add the size from the video mode list */
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] == NULL ) {
break;
708
}
709
710
711
712
713
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = w;
SDL_modelist[n]->h = h;
++n;
714
}
715
SDL_modelist[n] = NULL;
716
XFree(modes);
717
718
use_vidmode = vm_major * 100 + vm_minor;
719
720
save_mode(this);
}
721
#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
722
723
#if SDL_VIDEO_DRIVER_X11_XME
724
/* XiG */
725
modelist = NULL;
726
727
728
729
730
/* first lets make sure we have the extension, and it's at least v2.0 */
if ( CheckXME(this, &xme_major, &xme_minor) && xme_major >= 2 &&
(nummodes = XiGMiscQueryResolutions(SDL_Display, SDL_Screen,
0, /* view */
&ractive, &modelist)) > 1 )
731
732
{ /* then we actually have some */
int j;
733
734
735
736
/* We get the list already sorted in descending order.
We'll copy it in reverse order so SDL is happy */
#ifdef X11MODES_DEBUG
737
738
fprintf(stderr, "XME: nummodes = %d, active mode = %d\n",
nummodes, ractive);
739
#endif
740
741
742
743
744
745
if ( SDL_modelist ) {
for ( i = 0; SDL_modelist[i]; ++i ) {
SDL_free(SDL_modelist[i]);
}
SDL_free(SDL_modelist);
}
746
SDL_modelist = (SDL_Rect **)SDL_malloc((nummodes+1)*sizeof(SDL_Rect *));
747
748
749
750
751
752
753
754
755
756
757
if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
}
for ( i=0, j=nummodes-1; j>=0; i++, j-- ) {
if ((SDL_modelist[i] =
(SDL_Rect *)SDL_malloc(sizeof(SDL_Rect))) == NULL)
break;
#ifdef X11MODES_DEBUG
fprintf(stderr, "XME: mode = %4d, w = %4d, h = %4d\n",
i, modelist[i].width, modelist[i].height);
758
#endif
759
760
761
762
763
764
SDL_modelist[i]->x = 0;
SDL_modelist[i]->y = 0;
SDL_modelist[i]->w = modelist[j].width;
SDL_modelist[i]->h = modelist[j].height;
765
}
766
767
768
SDL_modelist[i] = NULL; /* terminator */
use_xme = xme_major * 100 + xme_minor;
769
saved_res = modelist[ractive]; /* save the current resolution */
770
771
}
if ( modelist ) {
772
XFree(modelist);
773
}
774
#endif /* SDL_VIDEO_DRIVER_X11_XME */
775
776
{
777
778
/* It's interesting to note that if we allow 32 bit depths,
we get a visual with an alpha mask on composite servers.
779
static int depth_list[] = { 32, 24, 16, 15, 8 };
780
781
*/
static int depth_list[] = { 24, 16, 15, 8 };
782
783
784
785
786
787
int j, np;
int use_directcolor = 1;
XPixmapFormatValues *pf;
/* Search for the visuals in deepest-first order, so that the first
will be the richest one */
788
if ( SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) {
789
790
791
use_directcolor = 0;
}
this->hidden->nvisuals = 0;
792
if ( ! add_visual_byid(this, SDL_getenv("SDL_VIDEO_X11_VISUALID")) ) {
793
for ( i=0; i<SDL_arraysize(depth_list); ++i ) {
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
if ( depth_list[i] > 8 ) {
if ( use_directcolor ) {
add_visual(this, depth_list[i], DirectColor);
}
add_visual(this, depth_list[i], TrueColor);
} else {
add_visual(this, depth_list[i], PseudoColor);
add_visual(this, depth_list[i], StaticColor);
}
}
}
if ( this->hidden->nvisuals == 0 ) {
SDL_SetError("Found no sufficiently capable X11 visuals");
return -1;
}
/* look up the pixel quantum for each depth */
811
pf = XListPixmapFormats(SDL_Display, &np);
812
813
814
815
816
817
818
819
for(i = 0; i < this->hidden->nvisuals; i++) {
int d = this->hidden->visuals[i].depth;
for(j = 0; j < np; j++)
if(pf[j].depth == d)
break;
this->hidden->visuals[i].bpp = j < np ? pf[j].bits_per_pixel : d;
}
820
XFree(pf);
821
822
823
}
if ( SDL_modelist == NULL ) {
824
SDL_modelist = (SDL_Rect **)SDL_malloc((1+1)*sizeof(SDL_Rect *));
825
826
827
if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
828
}
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
n = 0;
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] ) {
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = screen_w;
SDL_modelist[n]->h = screen_h;
++n;
}
SDL_modelist[n] = NULL;
}
#ifdef X11MODES_DEBUG
if ( use_xinerama ) {
printf("Xinerama is enabled\n");
844
845
}
846
847
848
849
if ( use_xrandr ) {
printf("XRandR is enabled\n");
}
850
if ( use_vidmode ) {
851
printf("VidMode is enabled\n");
852
}
853
854
if ( use_xme ) {
855
printf("Xi Graphics XME fullscreen is enabled\n");
857
858
if ( SDL_modelist ) {
859
printf("X11 video mode list:\n");
860
for ( i=0; SDL_modelist[i]; ++i ) {
861
printf("\t%dx%d\n", SDL_modelist[i]->w, SDL_modelist[i]->h);
862
863
}
}
864
#endif /* X11MODES_DEBUG */
865
866
867
868
869
870
871
872
return 0;
}
int X11_SupportedVisual(_THIS, SDL_PixelFormat *format)
{
int i;
for(i = 0; i < this->hidden->nvisuals; i++)
873
874
if(this->hidden->visuals[i].bpp == format->BitsPerPixel)
return 1;
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
return 0;
}
SDL_Rect **X11_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
{
if ( X11_SupportedVisual(this, format) ) {
if ( flags & SDL_FULLSCREEN ) {
return(SDL_modelist);
} else {
return((SDL_Rect **)-1);
}
} else {
return((SDL_Rect **)0);
}
}
void X11_FreeVideoModes(_THIS)
{
int i;
if ( SDL_modelist ) {
for ( i=0; SDL_modelist[i]; ++i ) {
897
SDL_free(SDL_modelist[i]);
898
}
899
SDL_free(SDL_modelist);
900
901
SDL_modelist = NULL;
}
902
903
904
905
906
907
908
909
#if SDL_VIDEO_DRIVER_X11_XRANDR
/* Free the Xrandr screen configuration */
if ( screen_config ) {
XRRFreeScreenConfigInfo(screen_config);
screen_config = NULL;
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
910
911
912
913
}
int X11_ResizeFullScreen(_THIS)
{
914
int x = 0, y = 0;
915
int real_w, real_h;
916
917
918
919
920
int screen_w;
int screen_h;
screen_w = DisplayWidth(SDL_Display, SDL_Screen);
screen_h = DisplayHeight(SDL_Display, SDL_Screen);
921
922
#if SDL_VIDEO_DRIVER_X11_XINERAMA
923
924
925
926
927
928
if ( use_xinerama &&
window_w <= xinerama_info.width &&
window_h <= xinerama_info.height ) {
x = xinerama_info.x_org;
y = xinerama_info.y_org;
}
929
930
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
931
932
if ( currently_fullscreen ) {
/* Switch resolution and cover it with the FSwindow */
933
move_cursor_to(this, x, y);
934
set_best_resolution(this, window_w, window_h);
935
move_cursor_to(this, x, y);
936
get_real_resolution(this, &real_w, &real_h);
937
if ( window_w > real_w ) {
938
939
real_w = MAX(real_w, screen_w);
}
940
if ( window_h > real_h ) {
941
942
real_h = MAX(real_h, screen_h);
}
943
XMoveResizeWindow(SDL_Display, FSwindow, x, y, real_w, real_h);
944
945
946
move_cursor_to(this, real_w/2, real_h/2);
/* Center and reparent the drawing window */
947
948
x = (real_w - window_w)/2;
y = (real_h - window_h)/2;
949
XReparentWindow(SDL_Display, SDL_Window, FSwindow, x, y);
950
/* FIXME: move the mouse to the old relative location */
951
XSync(SDL_Display, True); /* Flush spurious mode change events */
952
953
954
955
956
957
958
959
960
}
return(1);
}
void X11_QueueEnterFullScreen(_THIS)
{
switch_waiting = 0x01 | SDL_FULLSCREEN;
switch_time = SDL_GetTicks() + 1500;
#if 0 /* This causes a BadMatch error if the window is iconified (not needed) */
961
XSetInputFocus(SDL_Display, WMwindow, RevertToNone, CurrentTime);
962
963
964
965
966
967
968
969
970
971
#endif
}
int X11_EnterFullScreen(_THIS)
{
int okay;
#if 0
Window tmpwin, *windows;
int i, nwindows;
#endif
972
int x = 0, y = 0;
973
int real_w, real_h;
974
975
int screen_w;
int screen_h;
976
977
okay = 1;
978
979
980
if ( currently_fullscreen ) {
return(okay);
}
981
982
983
984
/* Ungrab the input so that we can move the mouse around */
X11_GrabInputNoLock(this, SDL_GRAB_OFF);
985
#if SDL_VIDEO_DRIVER_X11_XINERAMA
986
987
988
989
990
991
if ( use_xinerama &&
window_w <= xinerama_info.width &&
window_h <= xinerama_info.height ) {
x = xinerama_info.x_org;
y = xinerama_info.y_org;
}
992
993
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
994
/* Map the fullscreen window to blank the screen */
995
996
screen_w = DisplayWidth(SDL_Display, SDL_Screen);
screen_h = DisplayHeight(SDL_Display, SDL_Screen);
997
get_real_resolution(this, &real_w, &real_h);
998
if ( window_w > real_w ) {
999
1000
real_w = MAX(real_w, screen_w);
}