1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2012 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 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 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 /* Utilities for getting and setting the X display mode */
25
26 #include <stdio.h>
27
28 #include "SDL_timer.h"
29 #include "SDL_events.h"
30 #include "../../events/SDL_events_c.h"
31 #include "SDL_x11video.h"
32 #include "SDL_x11wm_c.h"
33 #include "SDL_x11modes_c.h"
34 #include "SDL_x11image_c.h"
35
36 /*#define X11MODES_DEBUG*/
37
38 #define MAX(a, b) (a > b ? a : b)
39
40 #if SDL_VIDEO_DRIVER_X11_XRANDR
cmpmodelist(const void * va,const void * vb)41 static int cmpmodelist(const void *va, const void *vb)
42 {
43 const SDL_Rect *a = *(const SDL_Rect **)va;
44 const SDL_Rect *b = *(const SDL_Rect **)vb;
45 if ( a->w == b->w )
46 return b->h - a->h;
47 else
48 return b->w - a->w;
49 }
50 #endif
51
52 #if SDL_VIDEO_DRIVER_X11_VIDMODE
SDL_NAME(XF86VidModeGetModeInfo)53 Bool SDL_NAME(XF86VidModeGetModeInfo)(Display *dpy, int scr, SDL_NAME(XF86VidModeModeInfo) *info)
54 {
55 Bool retval;
56 int dotclock;
57 SDL_NAME(XF86VidModeModeLine) l;
58 SDL_memset(&l, 0, sizeof(l));
59 retval = SDL_NAME(XF86VidModeGetModeLine)(dpy, scr, &dotclock, &l);
60 info->dotclock = dotclock;
61 info->hdisplay = l.hdisplay;
62 info->hsyncstart = l.hsyncstart;
63 info->hsyncend = l.hsyncend;
64 info->htotal = l.htotal;
65 info->hskew = l.hskew;
66 info->vdisplay = l.vdisplay;
67 info->vsyncstart = l.vsyncstart;
68 info->vsyncend = l.vsyncend;
69 info->vtotal = l.vtotal;
70 info->flags = l.flags;
71 info->privsize = l.privsize;
72 info->private = l.private;
73 return retval;
74 }
75 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
76
77 #if SDL_VIDEO_DRIVER_X11_VIDMODE
save_mode(_THIS)78 static void save_mode(_THIS)
79 {
80 SDL_memset(&saved_mode, 0, sizeof(saved_mode));
81 SDL_NAME(XF86VidModeGetModeInfo)(SDL_Display,SDL_Screen,&saved_mode);
82 SDL_NAME(XF86VidModeGetViewPort)(SDL_Display,SDL_Screen,&saved_view.x,&saved_view.y);
83 }
84 #endif
85
86 #if SDL_VIDEO_DRIVER_X11_VIDMODE
restore_mode(_THIS)87 static void restore_mode(_THIS)
88 {
89 SDL_NAME(XF86VidModeModeLine) mode;
90 int unused;
91
92 if ( SDL_NAME(XF86VidModeGetModeLine)(SDL_Display, SDL_Screen, &unused, &mode) ) {
93 if ( (saved_mode.hdisplay != mode.hdisplay) ||
94 (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 #endif
103
104 #if SDL_VIDEO_DRIVER_X11_VIDMODE
cmpmodes(const void * va,const void * vb)105 static int cmpmodes(const void *va, const void *vb)
106 {
107 const SDL_NAME(XF86VidModeModeInfo) *a = *(const SDL_NAME(XF86VidModeModeInfo)**)va;
108 const SDL_NAME(XF86VidModeModeInfo) *b = *(const SDL_NAME(XF86VidModeModeInfo)**)vb;
109 if ( a->hdisplay == b->hdisplay )
110 return b->vdisplay - a->vdisplay;
111 else
112 return b->hdisplay - a->hdisplay;
113 }
114 #endif
115
116 static void get_real_resolution(_THIS, int* w, int* h);
117
set_best_resolution(_THIS,int width,int height)118 static void set_best_resolution(_THIS, int width, int height)
119 {
120 #if SDL_VIDEO_DRIVER_X11_VIDMODE
121 if ( use_vidmode ) {
122 SDL_NAME(XF86VidModeModeLine) mode;
123 SDL_NAME(XF86VidModeModeInfo) **modes;
124 int i;
125 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 (modes[i]->vdisplay == height) ) {
133 best = i;
134 break;
135 }
136 if ( modes[i]->hdisplay >= width &&
137 modes[i]->vdisplay >= height ) {
138 if ( best < 0 ||
139 (modes[i]->hdisplay < modes[best]->hdisplay &&
140 modes[i]->vdisplay <= modes[best]->vdisplay) ||
141 (modes[i]->vdisplay < modes[best]->vdisplay &&
142 modes[i]->hdisplay <= modes[best]->hdisplay) ) {
143 best = i;
144 }
145 }
146 }
147 if ( best >= 0 &&
148 ((modes[best]->hdisplay != mode.hdisplay) ||
149 (modes[best]->vdisplay != mode.vdisplay)) ) {
150 #ifdef X11MODES_DEBUG
151 printf("Best Mode %d: %d x %d @ %d\n", best,
152 modes[best]->hdisplay, modes[best]->vdisplay,
153 (modes[best]->htotal && modes[best]->vtotal) ? (1000 * modes[best]->dotclock / (modes[best]->htotal * modes[best]->vtotal)) : 0 );
154 #endif
155 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 #ifdef X11MODES_DEBUG
168 fprintf(stderr, "XME: set_best_resolution(): w = %d, h = %d\n",
169 width, height);
170 #endif
171 for ( i=0; SDL_modelist[i]; ++i ) {
172 if ( (SDL_modelist[i]->w >= width) &&
173 (SDL_modelist[i]->h >= height) ) {
174 break;
175 }
176 }
177
178 if ( SDL_modelist[i] ) { /* found one, lets try it */
179 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 fprintf(stderr, "XME: set_best_resolution: "
187 "XiGMiscChangeResolution: %d %d\n",
188 SDL_modelist[i]->w, SDL_modelist[i]->h);
189 #endif
190 XiGMiscChangeResolution(SDL_Display,
191 SDL_Screen,
192 0, /* view */
193 SDL_modelist[i]->w,
194 SDL_modelist[i]->h,
195 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 fprintf(stderr, "XRANDR: set_best_resolution(): w = %d, h = %d\n",
206 width, height);
207 #endif
208 int i, nsizes;
209 XRRScreenSize *sizes;
210
211 /* find the smallest resolution that is at least as big as the user requested */
212 sizes = XRRConfigSizes(screen_config, &nsizes);
213 for ( i = (nsizes-1); i >= 0; i-- ) {
214 if ( (SDL_modelist[i]->w >= width) &&
215 (SDL_modelist[i]->h >= height) ) {
216 break;
217 }
218 }
219
220 if ( i >= 0 && SDL_modelist[i] ) { /* found one, lets try it */
221 int w, h;
222
223 /* check current mode so we can avoid uneccessary mode changes */
224 get_real_resolution(this, &w, &h);
225
226 if ( (SDL_modelist[i]->w != w) || (SDL_modelist[i]->h != h) ) {
227 int size_id;
228
229 #ifdef X11MODES_DEBUG
230 fprintf(stderr, "XRANDR: set_best_resolution: "
231 "XXRSetScreenConfig: %d %d\n",
232 SDL_modelist[i]->w, SDL_modelist[i]->h);
233 #endif
234
235 /* find the matching size entry index */
236 for ( size_id = 0; size_id < nsizes; ++size_id ) {
237 if ( (sizes[size_id].width == SDL_modelist[i]->w) &&
238 (sizes[size_id].height == SDL_modelist[i]->h) )
239 break;
240 }
241
242 XRRSetScreenConfig(SDL_Display, screen_config, SDL_Root,
243 size_id, saved_rotation, CurrentTime);
244 }
245 }
246 }
247 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
248 }
249
get_real_resolution(_THIS,int * w,int * h)250 static void get_real_resolution(_THIS, int* w, int* h)
251 {
252 #if SDL_VIDEO_DRIVER_X11_XME
253 if ( use_xme ) {
254 int ractive;
255 XiGMiscResolutionInfo *modelist;
256
257 XiGMiscQueryResolutions(SDL_Display, SDL_Screen,
258 0, /* view */
259 &ractive, &modelist);
260 *w = modelist[ractive].width;
261 *h = modelist[ractive].height;
262 #ifdef X11MODES_DEBUG
263 fprintf(stderr, "XME: get_real_resolution: w = %d h = %d\n", *w, *h);
264 #endif
265 XFree(modelist);
266 return;
267 }
268 #endif /* SDL_VIDEO_DRIVER_X11_XME */
269
270 #if SDL_VIDEO_DRIVER_X11_VIDMODE
271 if ( use_vidmode ) {
272 SDL_NAME(XF86VidModeModeLine) mode;
273 int unused;
274
275 if ( SDL_NAME(XF86VidModeGetModeLine)(SDL_Display, SDL_Screen, &unused, &mode) ) {
276 *w = mode.hdisplay;
277 *h = mode.vdisplay;
278 return;
279 }
280 }
281 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
282
283 #if SDL_VIDEO_DRIVER_X11_XRANDR
284 if ( use_xrandr ) {
285 int nsizes;
286 XRRScreenSize* sizes;
287
288 sizes = XRRConfigSizes(screen_config, &nsizes);
289 if ( nsizes > 0 ) {
290 int cur_size;
291 Rotation cur_rotation;
292
293 cur_size = XRRConfigCurrentConfiguration(screen_config, &cur_rotation);
294 if ( cur_size >= 0 && cur_size < nsizes ) {
295 *w = sizes[cur_size].width;
296 *h = sizes[cur_size].height;
297 }
298 #ifdef X11MODES_DEBUG
299 fprintf(stderr, "XRANDR: get_real_resolution: w = %d h = %d\n", *w, *h);
300 #endif
301 return;
302 }
303 }
304 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
305
306 #if SDL_VIDEO_DRIVER_X11_XINERAMA
307 if ( use_xinerama ) {
308 *w = xinerama_info.width;
309 *h = xinerama_info.height;
310 return;
311 }
312 #endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
313
314 *w = DisplayWidth(SDL_Display, SDL_Screen);
315 *h = DisplayHeight(SDL_Display, SDL_Screen);
316 }
317
318 /* Called after mapping a window - waits until the window is mapped */
X11_WaitMapped(_THIS,Window win)319 void X11_WaitMapped(_THIS, Window win)
320 {
321 XEvent event;
322 do {
323 XMaskEvent(SDL_Display, StructureNotifyMask, &event);
324 } while ( (event.type != MapNotify) || (event.xmap.event != win) );
325 }
326
327 /* Called after unmapping a window - waits until the window is unmapped */
X11_WaitUnmapped(_THIS,Window win)328 void X11_WaitUnmapped(_THIS, Window win)
329 {
330 XEvent event;
331 do {
332 XMaskEvent(SDL_Display, StructureNotifyMask, &event);
333 } while ( (event.type != UnmapNotify) || (event.xunmap.event != win) );
334 }
335
move_cursor_to(_THIS,int x,int y)336 static void move_cursor_to(_THIS, int x, int y)
337 {
338 XWarpPointer(SDL_Display, None, SDL_Root, 0, 0, 0, 0, x, y);
339 }
340
add_default_visual(_THIS)341 static int add_default_visual(_THIS)
342 {
343 int i;
344 int n = this->hidden->nvisuals;
345 for (i=0; i<n; i++) {
346 if (this->hidden->visuals[i].visual == DefaultVisual(SDL_Display, SDL_Screen)) return n;
347 }
348 this->hidden->visuals[n].depth = DefaultDepth(SDL_Display, SDL_Screen);;
349 this->hidden->visuals[n].visual = DefaultVisual(SDL_Display, SDL_Screen);;
350 this->hidden->nvisuals++;
351 return(this->hidden->nvisuals);
352 }
add_visual(_THIS,int depth,int class)353 static int add_visual(_THIS, int depth, int class)
354 {
355 XVisualInfo vi;
356 if(XMatchVisualInfo(SDL_Display, SDL_Screen, depth, class, &vi)) {
357 int n = this->hidden->nvisuals;
358 this->hidden->visuals[n].depth = vi.depth;
359 this->hidden->visuals[n].visual = vi.visual;
360 this->hidden->nvisuals++;
361 }
362 return(this->hidden->nvisuals);
363 }
add_visual_byid(_THIS,const char * visual_id)364 static int add_visual_byid(_THIS, const char *visual_id)
365 {
366 XVisualInfo *vi, template;
367 int nvis;
368
369 if ( visual_id ) {
370 SDL_memset(&template, 0, (sizeof template));
371 template.visualid = SDL_strtol(visual_id, NULL, 0);
372 vi = XGetVisualInfo(SDL_Display, VisualIDMask, &template, &nvis);
373 if ( vi ) {
374 int n = this->hidden->nvisuals;
375 this->hidden->visuals[n].depth = vi->depth;
376 this->hidden->visuals[n].visual = vi->visual;
377 this->hidden->nvisuals++;
378 XFree(vi);
379 }
380 }
381 return(this->hidden->nvisuals);
382 }
383
384 /* Global for the error handler */
385 int vm_event, vm_error = -1;
386
387 #if SDL_VIDEO_DRIVER_X11_XINERAMA
CheckXinerama(_THIS,int * major,int * minor)388 static int CheckXinerama(_THIS, int *major, int *minor)
389 {
390 const char *env;
391
392 /* Default the extension not available */
393 *major = *minor = 0;
394
395 /* Allow environment override */
396 env = getenv("SDL_VIDEO_X11_XINERAMA");
397 if ( env && !SDL_atoi(env) ) {
398 return 0;
399 }
400
401 /* Query the extension version */
402 if ( !SDL_NAME(XineramaQueryExtension)(SDL_Display, major, minor) ||
403 !SDL_NAME(XineramaIsActive)(SDL_Display) ) {
404 return 0;
405 }
406 return 1;
407 }
408 #endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
409
410 #if SDL_VIDEO_DRIVER_X11_XRANDR
CheckXRandR(_THIS,int * major,int * minor)411 static int CheckXRandR(_THIS, int *major, int *minor)
412 {
413 const char *env;
414
415 /* Default the extension not available */
416 *major = *minor = 0;
417
418 /* Allow environment override */
419 env = getenv("SDL_VIDEO_X11_XRANDR");
420 if ( env && !SDL_atoi(env) ) {
421 return 0;
422 }
423
424 /* This defaults off now, due to KDE window maximize problems */
425 if ( !env ) {
426 return 0;
427 }
428
429 if ( !SDL_X11_HAVE_XRANDR ) {
430 return 0;
431 }
432
433 /* Query the extension version */
434 if ( !XRRQueryVersion(SDL_Display, major, minor) ) {
435 return 0;
436 }
437 return 1;
438 }
439 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
440
441 #if SDL_VIDEO_DRIVER_X11_VIDMODE
CheckVidMode(_THIS,int * major,int * minor)442 static int CheckVidMode(_THIS, int *major, int *minor)
443 {
444 const char *env;
445
446 /* Default the extension not available */
447 *major = *minor = 0;
448
449 /* Allow environment override */
450 env = getenv("SDL_VIDEO_X11_VIDMODE");
451 if ( env && !SDL_atoi(env) ) {
452 return 0;
453 }
454
455 /* Metro-X 4.3.0 and earlier has a broken implementation of
456 XF86VidModeGetAllModeLines() - it hangs the client.
457 */
458 if ( SDL_strcmp(ServerVendor(SDL_Display), "Metro Link Incorporated") == 0 ) {
459 FILE *metro_fp;
460
461 metro_fp = fopen("/usr/X11R6/lib/X11/Metro/.version", "r");
462 if ( metro_fp != NULL ) {
463 int major, minor, patch, version, scannum;
464 major = 0; minor = 0; patch = 0;
465 scannum = fscanf(metro_fp, "%d.%d.%d", &major, &minor, &patch);
466 fclose(metro_fp);
467 if ( (scannum < 0) || (scannum > 3) ) {
468 return 0; /* we need _something_ useful from fscanf(). */
469 }
470 version = major*100+minor*10+patch;
471 if ( version < 431 ) {
472 return 0;
473 }
474 }
475 }
476
477 /* Query the extension version */
478 vm_error = -1;
479 if ( !SDL_NAME(XF86VidModeQueryExtension)(SDL_Display, &vm_event, &vm_error) ||
480 !SDL_NAME(XF86VidModeQueryVersion)(SDL_Display, major, minor) ) {
481 return 0;
482 }
483 return 1;
484 }
485 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
486
487 #if SDL_VIDEO_DRIVER_X11_XME
CheckXME(_THIS,int * major,int * minor)488 static int CheckXME(_THIS, int *major, int *minor)
489 {
490 const char *env;
491
492 /* Default the extension not available */
493 *major = *minor = 0;
494
495 /* Allow environment override */
496 env = getenv("SDL_VIDEO_X11_VIDMODE");
497 if ( env && !SDL_atoi(env) ) {
498 return 0;
499 }
500
501 /* Query the extension version */
502 if ( !XiGMiscQueryVersion(SDL_Display, major, minor) ) {
503 return 0;
504 }
505 return 1;
506 }
507 #endif /* SDL_VIDEO_DRIVER_X11_XME */
508
X11_GetVideoModes(_THIS)509 int X11_GetVideoModes(_THIS)
510 {
511 #if SDL_VIDEO_DRIVER_X11_XINERAMA
512 int xinerama_major, xinerama_minor;
513 #endif
514 #if SDL_VIDEO_DRIVER_X11_XRANDR
515 int xrandr_major, xrandr_minor;
516 int nsizes;
517 XRRScreenSize *sizes;
518 #endif
519 #if SDL_VIDEO_DRIVER_X11_VIDMODE
520 int vm_major, vm_minor;
521 int nmodes;
522 SDL_NAME(XF86VidModeModeInfo) **modes;
523 #endif
524 #if SDL_VIDEO_DRIVER_X11_XME
525 int xme_major, xme_minor;
526 int ractive, nummodes;
527 XiGMiscResolutionInfo *modelist;
528 #endif
529 int i, n;
530 int screen_w;
531 int screen_h;
532
533 use_xinerama = 0;
534 use_xrandr = 0;
535 use_vidmode = 0;
536 use_xme = 0;
537 screen_w = DisplayWidth(SDL_Display, SDL_Screen);
538 screen_h = DisplayHeight(SDL_Display, SDL_Screen);
539
540 #if SDL_VIDEO_DRIVER_X11_XINERAMA
541 /* Query Xinerama extention */
542 if ( CheckXinerama(this, &xinerama_major, &xinerama_minor) ) {
543 /* Find out which screen is the desired one */
544 int desired = -1;
545 int screens;
546 int w, h;
547 SDL_NAME(XineramaScreenInfo) *xinerama;
548
549 const char *variable = SDL_getenv("SDL_VIDEO_FULLSCREEN_DISPLAY");
550 if ( !variable ) {
551 variable = SDL_getenv("SDL_VIDEO_FULLSCREEN_HEAD");
552 }
553 if ( variable ) {
554 desired = SDL_atoi(variable);
555 }
556 #ifdef X11MODES_DEBUG
557 printf("X11 detected Xinerama:\n");
558 #endif
559 xinerama = SDL_NAME(XineramaQueryScreens)(SDL_Display, &screens);
560 for ( i = 0; i < screens; i++ ) {
561 #ifdef X11MODES_DEBUG
562 printf("xinerama %d: %dx%d+%d+%d\n",
563 xinerama[i].screen_number,
564 xinerama[i].width, xinerama[i].height,
565 xinerama[i].x_org, xinerama[i].y_org);
566 #endif
567 if ( xinerama[i].screen_number == desired ) {
568 use_xinerama = 1;
569 xinerama_info = xinerama[i];
570 }
571 }
572 XFree(xinerama);
573
574 if ( use_xinerama ) {
575 SDL_modelist = (SDL_Rect **)SDL_malloc(3*sizeof(SDL_Rect *));
576 if ( !SDL_modelist ) {
577 SDL_OutOfMemory();
578 return -1;
579 }
580
581 /* Add the full xinerama mode */
582 n = 0;
583 w = xinerama_info.width;
584 h = xinerama_info.height;
585 if ( screen_w > w || screen_h > h) {
586 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
587 if ( SDL_modelist[n] ) {
588 SDL_modelist[n]->x = 0;
589 SDL_modelist[n]->y = 0;
590 SDL_modelist[n]->w = screen_w;
591 SDL_modelist[n]->h = screen_h;
592 ++n;
593 }
594 }
595
596 /* Add the head xinerama mode */
597 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
598 if ( SDL_modelist[n] ) {
599 SDL_modelist[n]->x = 0;
600 SDL_modelist[n]->y = 0;
601 SDL_modelist[n]->w = w;
602 SDL_modelist[n]->h = h;
603 ++n;
604 }
605 SDL_modelist[n] = NULL;
606 }
607 }
608 #endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
609
610 #if SDL_VIDEO_DRIVER_X11_XRANDR
611 /* XRandR */
612 /* require at least XRandR v1.0 (arbitrary) */
613 if ( CheckXRandR(this, &xrandr_major, &xrandr_minor) && (xrandr_major >= 1) )
614 {
615 #ifdef X11MODES_DEBUG
616 fprintf(stderr, "XRANDR: XRRQueryVersion: V%d.%d\n",
617 xrandr_major, xrandr_minor);
618 #endif
619
620 /* save the screen configuration since we must reference it
621 each time we toggle modes.
622 */
623 screen_config = XRRGetScreenInfo(SDL_Display, SDL_Root);
624
625 /* retrieve the list of resolution */
626 sizes = XRRConfigSizes(screen_config, &nsizes);
627 if (nsizes > 0) {
628 if ( SDL_modelist ) {
629 for ( i = 0; SDL_modelist[i]; ++i ) {
630 SDL_free(SDL_modelist[i]);
631 }
632 SDL_free(SDL_modelist);
633 }
634 SDL_modelist = (SDL_Rect **)malloc((nsizes+1)*sizeof(SDL_Rect *));
635 if ( !SDL_modelist ) {
636 SDL_OutOfMemory();
637 return -1;
638 }
639 for ( i=0; i < nsizes; i++ ) {
640 if ((SDL_modelist[i] =
641 (SDL_Rect *)malloc(sizeof(SDL_Rect))) == NULL)
642 break;
643 #ifdef X11MODES_DEBUG
644 fprintf(stderr, "XRANDR: mode = %4d, w = %4d, h = %4d\n",
645 i, sizes[i].width, sizes[i].height);
646 #endif
647
648 SDL_modelist[i]->x = 0;
649 SDL_modelist[i]->y = 0;
650 SDL_modelist[i]->w = sizes[i].width;
651 SDL_modelist[i]->h = sizes[i].height;
652
653 }
654 /* sort the mode list descending as SDL expects */
655 SDL_qsort(SDL_modelist, nsizes, sizeof *SDL_modelist, cmpmodelist);
656 SDL_modelist[i] = NULL; /* terminator */
657
658 use_xrandr = xrandr_major * 100 + xrandr_minor;
659 saved_size_id = XRRConfigCurrentConfiguration(screen_config, &saved_rotation);
660 }
661 }
662 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
663
664 #if SDL_VIDEO_DRIVER_X11_VIDMODE
665 /* XVidMode */
666 if ( !use_xrandr &&
667 #if SDL_VIDEO_DRIVER_X11_XINERAMA
668 (!use_xinerama || xinerama_info.screen_number == -1) &&
669 #endif
670 CheckVidMode(this, &vm_major, &vm_minor) &&
671 SDL_NAME(XF86VidModeGetAllModeLines)(SDL_Display, SDL_Screen,&nmodes,&modes) )
672 {
673 #ifdef X11MODES_DEBUG
674 printf("VidMode modes: (unsorted)\n");
675 for ( i = 0; i < nmodes; ++i ) {
676 printf("Mode %d: %d x %d @ %d\n", i,
677 modes[i]->hdisplay, modes[i]->vdisplay,
678 (modes[i]->htotal && modes[i]->vtotal) ? (1000 * modes[i]->dotclock / (modes[i]->htotal * modes[i]->vtotal)) : 0 );
679 }
680 #endif
681 if ( SDL_modelist ) {
682 for ( i = 0; SDL_modelist[i]; ++i ) {
683 SDL_free(SDL_modelist[i]);
684 }
685 SDL_free(SDL_modelist);
686 }
687 SDL_modelist = (SDL_Rect **)SDL_malloc((nmodes+2)*sizeof(SDL_Rect *));
688 if ( !SDL_modelist ) {
689 SDL_OutOfMemory();
690 return -1;
691 }
692 SDL_qsort(modes, nmodes, sizeof *modes, cmpmodes);
693 n = 0;
694 for ( i=0; i<nmodes; ++i ) {
695 int w, h;
696
697 /* Eliminate duplicate modes with different refresh rates */
698 if ( i > 0 &&
699 modes[i]->hdisplay == modes[i-1]->hdisplay &&
700 modes[i]->vdisplay == modes[i-1]->vdisplay ) {
701 continue;
702 }
703
704 /* Check to see if we should add the screen size (Xinerama) */
705 w = modes[i]->hdisplay;
706 h = modes[i]->vdisplay;
707 if ( (screen_w * screen_h) >= (w * h) ) {
708 if ( (screen_w != w) || (screen_h != h) ) {
709 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
710 if ( SDL_modelist[n] ) {
711 SDL_modelist[n]->x = 0;
712 SDL_modelist[n]->y = 0;
713 SDL_modelist[n]->w = screen_w;
714 SDL_modelist[n]->h = screen_h;
715 ++n;
716 }
717 }
718 screen_w = 0;
719 screen_h = 0;
720 }
721
722 /* Add the size from the video mode list */
723 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
724 if ( SDL_modelist[n] == NULL ) {
725 break;
726 }
727 SDL_modelist[n]->x = 0;
728 SDL_modelist[n]->y = 0;
729 SDL_modelist[n]->w = w;
730 SDL_modelist[n]->h = h;
731 ++n;
732 }
733 SDL_modelist[n] = NULL;
734 XFree(modes);
735
736 use_vidmode = vm_major * 100 + vm_minor;
737 save_mode(this);
738 }
739 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
740
741 #if SDL_VIDEO_DRIVER_X11_XME
742 /* XiG */
743 modelist = NULL;
744 /* first lets make sure we have the extension, and it's at least v2.0 */
745 if ( CheckXME(this, &xme_major, &xme_minor) && xme_major >= 2 &&
746 (nummodes = XiGMiscQueryResolutions(SDL_Display, SDL_Screen,
747 0, /* view */
748 &ractive, &modelist)) > 1 )
749 { /* then we actually have some */
750 int j;
751
752 /* We get the list already sorted in descending order.
753 We'll copy it in reverse order so SDL is happy */
754 #ifdef X11MODES_DEBUG
755 fprintf(stderr, "XME: nummodes = %d, active mode = %d\n",
756 nummodes, ractive);
757 #endif
758 if ( SDL_modelist ) {
759 for ( i = 0; SDL_modelist[i]; ++i ) {
760 SDL_free(SDL_modelist[i]);
761 }
762 SDL_free(SDL_modelist);
763 }
764 SDL_modelist = (SDL_Rect **)SDL_malloc((nummodes+1)*sizeof(SDL_Rect *));
765 if ( !SDL_modelist ) {
766 SDL_OutOfMemory();
767 return -1;
768 }
769 for ( i=0, j=nummodes-1; j>=0; i++, j-- ) {
770 if ((SDL_modelist[i] =
771 (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect))) == NULL)
772 break;
773 #ifdef X11MODES_DEBUG
774 fprintf(stderr, "XME: mode = %4d, w = %4d, h = %4d\n",
775 i, modelist[i].width, modelist[i].height);
776 #endif
777
778 SDL_modelist[i]->x = 0;
779 SDL_modelist[i]->y = 0;
780 SDL_modelist[i]->w = modelist[j].width;
781 SDL_modelist[i]->h = modelist[j].height;
782
783 }
784 SDL_modelist[i] = NULL; /* terminator */
785
786 use_xme = xme_major * 100 + xme_minor;
787 saved_res = modelist[ractive]; /* save the current resolution */
788 }
789 if ( modelist ) {
790 XFree(modelist);
791 }
792 #endif /* SDL_VIDEO_DRIVER_X11_XME */
793
794 {
795 /* It's interesting to note that if we allow 32 bit depths,
796 we get a visual with an alpha mask on composite servers.
797 static int depth_list[] = { 32, 24, 16, 15, 8 };
798 */
799 static int depth_list[] = { 24, 16, 15, 8 };
800 int j, np;
801 int use_directcolor = 1;
802 XPixmapFormatValues *pf;
803
804 /* Search for the visuals in deepest-first order, so that the first
805 will be the richest one */
806 if ( SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) {
807 use_directcolor = 0;
808 }
809 this->hidden->nvisuals = 0;
810 if ( ! add_visual_byid(this, SDL_getenv("SDL_VIDEO_X11_VISUALID")) ) {
811 for ( i=0; i<SDL_arraysize(depth_list); ++i ) {
812 if ( depth_list[i] > 8 ) {
813 if ( use_directcolor ) {
814 add_visual(this, depth_list[i], DirectColor);
815 }
816 add_visual(this, depth_list[i], TrueColor);
817 } else {
818 add_visual(this, depth_list[i], PseudoColor);
819 add_visual(this, depth_list[i], StaticColor);
820 }
821 }
822 add_default_visual(this);
823 }
824 if ( this->hidden->nvisuals == 0 ) {
825 SDL_SetError("Found no sufficiently capable X11 visuals");
826 return -1;
827 }
828
829 /* look up the pixel quantum for each depth */
830 pf = XListPixmapFormats(SDL_Display, &np);
831 for(i = 0; i < this->hidden->nvisuals; i++) {
832 int d = this->hidden->visuals[i].depth;
833 for(j = 0; j < np; j++)
834 if(pf[j].depth == d)
835 break;
836 this->hidden->visuals[i].bpp = j < np ? pf[j].bits_per_pixel : d;
837 }
838
839 XFree(pf);
840 }
841
842 if ( SDL_modelist == NULL ) {
843 SDL_modelist = (SDL_Rect **)SDL_malloc((1+1)*sizeof(SDL_Rect *));
844 if ( !SDL_modelist ) {
845 SDL_OutOfMemory();
846 return -1;
847 }
848 n = 0;
849 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
850 if ( SDL_modelist[n] ) {
851 SDL_modelist[n]->x = 0;
852 SDL_modelist[n]->y = 0;
853 SDL_modelist[n]->w = screen_w;
854 SDL_modelist[n]->h = screen_h;
855 ++n;
856 }
857 SDL_modelist[n] = NULL;
858 }
859
860 #ifdef X11MODES_DEBUG
861 if ( use_xinerama ) {
862 printf("Xinerama is enabled\n");
863 }
864
865 if ( use_xrandr ) {
866 printf("XRandR is enabled\n");
867 }
868
869 if ( use_vidmode ) {
870 printf("VidMode is enabled\n");
871 }
872
873 if ( use_xme ) {
874 printf("Xi Graphics XME fullscreen is enabled\n");
875 }
876
877 if ( SDL_modelist ) {
878 printf("X11 video mode list:\n");
879 for ( i=0; SDL_modelist[i]; ++i ) {
880 printf("\t%dx%d\n", SDL_modelist[i]->w, SDL_modelist[i]->h);
881 }
882 }
883 #endif /* X11MODES_DEBUG */
884
885 return 0;
886 }
887
X11_SupportedVisual(_THIS,SDL_PixelFormat * format)888 int X11_SupportedVisual(_THIS, SDL_PixelFormat *format)
889 {
890 int i;
891 for(i = 0; i < this->hidden->nvisuals; i++)
892 if(this->hidden->visuals[i].bpp == format->BitsPerPixel)
893 return 1;
894 return 0;
895 }
896
X11_ListModes(_THIS,SDL_PixelFormat * format,Uint32 flags)897 SDL_Rect **X11_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
898 {
899 if ( X11_SupportedVisual(this, format) ) {
900 if ( flags & SDL_FULLSCREEN ) {
901 return(SDL_modelist);
902 } else {
903 return((SDL_Rect **)-1);
904 }
905 } else {
906 return((SDL_Rect **)0);
907 }
908 }
909
X11_FreeVideoModes(_THIS)910 void X11_FreeVideoModes(_THIS)
911 {
912 int i;
913
914 if ( SDL_modelist ) {
915 for ( i=0; SDL_modelist[i]; ++i ) {
916 SDL_free(SDL_modelist[i]);
917 }
918 SDL_free(SDL_modelist);
919 SDL_modelist = NULL;
920 }
921
922 #if SDL_VIDEO_DRIVER_X11_XRANDR
923 /* Free the Xrandr screen configuration */
924 if ( screen_config ) {
925 XRRFreeScreenConfigInfo(screen_config);
926 screen_config = NULL;
927 }
928 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
929 }
930
X11_ResizeFullScreen(_THIS)931 int X11_ResizeFullScreen(_THIS)
932 {
933 int x = 0, y = 0;
934 int real_w, real_h;
935 int screen_w;
936 int screen_h;
937
938 screen_w = DisplayWidth(SDL_Display, SDL_Screen);
939 screen_h = DisplayHeight(SDL_Display, SDL_Screen);
940
941 #if SDL_VIDEO_DRIVER_X11_XINERAMA
942 if ( use_xinerama &&
943 window_w <= xinerama_info.width &&
944 window_h <= xinerama_info.height ) {
945 x = xinerama_info.x_org;
946 y = xinerama_info.y_org;
947 }
948 #endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
949
950 if ( currently_fullscreen ) {
951 /* Switch resolution and cover it with the FSwindow */
952 move_cursor_to(this, x, y);
953 set_best_resolution(this, window_w, window_h);
954 move_cursor_to(this, x, y);
955 get_real_resolution(this, &real_w, &real_h);
956 if ( window_w > real_w ) {
957 real_w = MAX(real_w, screen_w);
958 }
959 if ( window_h > real_h ) {
960 real_h = MAX(real_h, screen_h);
961 }
962 XMoveResizeWindow(SDL_Display, FSwindow, x, y, real_w, real_h);
963 move_cursor_to(this, real_w/2, real_h/2);
964
965 /* Center and reparent the drawing window */
966 x = (real_w - window_w)/2;
967 y = (real_h - window_h)/2;
968 XReparentWindow(SDL_Display, SDL_Window, FSwindow, x, y);
969 /* FIXME: move the mouse to the old relative location */
970 XSync(SDL_Display, True); /* Flush spurious mode change events */
971 }
972 return(1);
973 }
974
X11_QueueEnterFullScreen(_THIS)975 void X11_QueueEnterFullScreen(_THIS)
976 {
977 switch_waiting = 0x01 | SDL_FULLSCREEN;
978 switch_time = SDL_GetTicks() + 1500;
979 #if 0 /* This causes a BadMatch error if the window is iconified (not needed) */
980 XSetInputFocus(SDL_Display, WMwindow, RevertToNone, CurrentTime);
981 #endif
982 }
983
X11_EnterFullScreen(_THIS)984 int X11_EnterFullScreen(_THIS)
985 {
986 int okay;
987 #if 0
988 Window tmpwin, *windows;
989 int i, nwindows;
990 #endif
991 int x = 0, y = 0;
992 int real_w, real_h;
993 int screen_w;
994 int screen_h;
995
996 okay = 1;
997 if ( currently_fullscreen ) {
998 return(okay);
999 }
1000
1001 /* Ungrab the input so that we can move the mouse around */
1002 X11_GrabInputNoLock(this, SDL_GRAB_OFF);
1003
1004 #if SDL_VIDEO_DRIVER_X11_XINERAMA
1005 if ( use_xinerama &&
1006 window_w <= xinerama_info.width &&
1007 window_h <= xinerama_info.height ) {
1008 x = xinerama_info.x_org;
1009 y = xinerama_info.y_org;
1010 }
1011 #endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
1012
1013 /* Map the fullscreen window to blank the screen */
1014 screen_w = DisplayWidth(SDL_Display, SDL_Screen);
1015 screen_h = DisplayHeight(SDL_Display, SDL_Screen);
1016 get_real_resolution(this, &real_w, &real_h);
1017 real_w = MAX(window_w, MAX(real_w, screen_w));
1018 real_h = MAX(window_h, MAX(real_h, screen_h));
1019 XMoveResizeWindow(SDL_Display, FSwindow,
1020 x, y, real_w, real_h);
1021 XMapRaised(SDL_Display, FSwindow);
1022 X11_WaitMapped(this, FSwindow);
1023
1024 #if 0 /* This seems to break WindowMaker in focus-follows-mouse mode */
1025 /* Make sure we got to the top of the window stack */
1026 if ( XQueryTree(SDL_Display, SDL_Root, &tmpwin, &tmpwin,
1027 &windows, &nwindows) && windows ) {
1028 /* If not, try to put us there - if fail... oh well */
1029 if ( windows[nwindows-1] != FSwindow ) {
1030 tmpwin = windows[nwindows-1];
1031 for ( i=0; i<nwindows; ++i ) {
1032 if ( windows[i] == FSwindow ) {
1033 SDL_memcpy(&windows[i], &windows[i+1],
1034 (nwindows-i-1)*sizeof(windows[i]));
1035 break;
1036 }
1037 }
1038 windows[nwindows-1] = FSwindow;
1039 XRestackWindows(SDL_Display, windows, nwindows);
1040 XSync(SDL_Display, False);
1041 }
1042 XFree(windows);
1043 }
1044 #else
1045 XRaiseWindow(SDL_Display, FSwindow);
1046 #endif
1047
1048 #if SDL_VIDEO_DRIVER_X11_VIDMODE
1049 /* Save the current video mode */
1050 if ( use_vidmode ) {
1051 SDL_NAME(XF86VidModeLockModeSwitch)(SDL_Display, SDL_Screen, True);
1052 save_mode(this);
1053 }
1054 #endif
1055 currently_fullscreen = 1;
1056
1057 /* Set the new resolution */
1058 okay = X11_ResizeFullScreen(this);
1059 if ( ! okay ) {
1060 X11_LeaveFullScreen(this);
1061 }
1062 /* Set the colormap */
1063 if ( SDL_XColorMap ) {
1064 XInstallColormap(SDL_Display, SDL_XColorMap);
1065 }
1066 if ( okay ) {
1067 X11_GrabInputNoLock(this, this->input_grab | SDL_GRAB_FULLSCREEN);
1068 }
1069
1070 /* We may need to refresh the screen at this point (no backing store)
1071 We also don't get an event, which is why we explicitly refresh. */
1072 if ( this->screen ) {
1073 if ( this->screen->flags & SDL_OPENGL ) {
1074 SDL_PrivateExpose();
1075 } else {
1076 X11_RefreshDisplay(this);
1077 }
1078 }
1079
1080 return(okay);
1081 }
1082
X11_LeaveFullScreen(_THIS)1083 int X11_LeaveFullScreen(_THIS)
1084 {
1085 if ( currently_fullscreen ) {
1086 XReparentWindow(SDL_Display, SDL_Window, WMwindow, 0, 0);
1087 #if SDL_VIDEO_DRIVER_X11_VIDMODE
1088 if ( use_vidmode ) {
1089 restore_mode(this);
1090 SDL_NAME(XF86VidModeLockModeSwitch)(SDL_Display, SDL_Screen, False);
1091 }
1092 #endif
1093
1094 #if SDL_VIDEO_DRIVER_X11_XME
1095 if ( use_xme ) {
1096 int rw, rh;
1097
1098 /* check current mode so we can avoid uneccessary mode changes */
1099 get_real_resolution(this, &rw, &rh);
1100
1101 if (rw != saved_res.width || rh != saved_res.height) {
1102 XiGMiscChangeResolution(SDL_Display,
1103 SDL_Screen,
1104 0, /* view */
1105 saved_res.width,
1106 saved_res.height,
1107 0);
1108 XSync(SDL_Display, False);
1109 }
1110 }
1111 #endif
1112
1113 #if SDL_VIDEO_DRIVER_X11_XRANDR
1114 if ( use_xrandr ) {
1115 XRRSetScreenConfig(SDL_Display, screen_config, SDL_Root,
1116 saved_size_id, saved_rotation, CurrentTime);
1117 }
1118 #endif
1119
1120 XUnmapWindow(SDL_Display, FSwindow);
1121 X11_WaitUnmapped(this, FSwindow);
1122 XSync(SDL_Display, True); /* Flush spurious mode change events */
1123 currently_fullscreen = 0;
1124 }
1125 /* If we get popped out of fullscreen mode for some reason, input_grab
1126 will still have the SDL_GRAB_FULLSCREEN flag set, since this is only
1127 temporary. In this case, release the grab unless the input has been
1128 explicitly grabbed.
1129 */
1130 X11_GrabInputNoLock(this, this->input_grab & ~SDL_GRAB_FULLSCREEN);
1131
1132 /* We may need to refresh the screen at this point (no backing store)
1133 We also don't get an event, which is why we explicitly refresh. */
1134 if ( this->screen ) {
1135 if ( this->screen->flags & SDL_OPENGL ) {
1136 SDL_PrivateExpose();
1137 } else {
1138 X11_RefreshDisplay(this);
1139 }
1140 }
1141
1142 return(0);
1143 }
1144