notaz.gp2x.de / sdl_omap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
SDL-1.2.14
[sdl_omap.git] / src / video / x11 / SDL_x11modes.c
CommitLineData
e14743d1 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 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
41static 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
53Bool 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
78static 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
87static 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
105static 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
116static void get_real_resolution(_THIS, int* w, int* h);
117
118static 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
250static 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 */
319void 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 */
328void 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
336static 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
341static 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}
353static 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}
364static 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 */
385int vm_event, vm_error = -1;
386
387#if SDL_VIDEO_DRIVER_X11_XINERAMA
388static 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
411static 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 used to default off, due to KDE window maximize problems */
425 /* Reactivated since I haven't encountered such problems with KDE, but if
426 one does encounter such problems he/she can just set
427 SDL_VIDEO_X11_XRANDR to 0
428 Closes Debian bug: #450689
429 */
430/* if ( !env ) {
431 return 0;
432 }
433*/
434 if ( !SDL_X11_HAVE_XRANDR ) {
435 return 0;
436 }
437
438 /* Query the extension version */
439 if ( !XRRQueryVersion(SDL_Display, major, minor) ) {
440 return 0;
441 }
442 return 1;
443}
444#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
445
446#if SDL_VIDEO_DRIVER_X11_VIDMODE
447static int CheckVidMode(_THIS, int *major, int *minor)
448{
449 const char *env;
450
451 /* Default the extension not available */
452 *major = *minor = 0;
453
454 /* Allow environment override */
455 env = getenv("SDL_VIDEO_X11_VIDMODE");
456 if ( env && !SDL_atoi(env) ) {
457 return 0;
458 }
459
460 /* Metro-X 4.3.0 and earlier has a broken implementation of
461 XF86VidModeGetAllModeLines() - it hangs the client.
462 */
463 if ( SDL_strcmp(ServerVendor(SDL_Display), "Metro Link Incorporated") == 0 ) {
464 FILE *metro_fp;
465
466 metro_fp = fopen("/usr/X11R6/lib/X11/Metro/.version", "r");
467 if ( metro_fp != NULL ) {
468 int major, minor, patch, version;
469 major = 0; minor = 0; patch = 0;
470 fscanf(metro_fp, "%d.%d.%d", &major, &minor, &patch);
471 fclose(metro_fp);
472 version = major*100+minor*10+patch;
473 if ( version < 431 ) {
474 return 0;
475 }
476 }
477 }
478
479 /* Query the extension version */
480 vm_error = -1;
481 if ( !SDL_NAME(XF86VidModeQueryExtension)(SDL_Display, &vm_event, &vm_error) ||
482 !SDL_NAME(XF86VidModeQueryVersion)(SDL_Display, major, minor) ) {
483 return 0;
484 }
485 return 1;
486}
487#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
488
489#if SDL_VIDEO_DRIVER_X11_XME
490static int CheckXME(_THIS, int *major, int *minor)
491{
492 const char *env;
493
494 /* Default the extension not available */
495 *major = *minor = 0;
496
497 /* Allow environment override */
498 env = getenv("SDL_VIDEO_X11_VIDMODE");
499 if ( env && !SDL_atoi(env) ) {
500 return 0;
501 }
502
503 /* Query the extension version */
504 if ( !XiGMiscQueryVersion(SDL_Display, major, minor) ) {
505 return 0;
506 }
507 return 1;
508}
509#endif /* SDL_VIDEO_DRIVER_X11_XME */
510
511int X11_GetVideoModes(_THIS)
512{
513#if SDL_VIDEO_DRIVER_X11_XINERAMA
514 int xinerama_major, xinerama_minor;
515#endif
516#if SDL_VIDEO_DRIVER_X11_XRANDR
517 int xrandr_major, xrandr_minor;
518 int nsizes;
519 XRRScreenSize *sizes;
520#endif
521#if SDL_VIDEO_DRIVER_X11_VIDMODE
522 int vm_major, vm_minor;
523 int nmodes;
524 SDL_NAME(XF86VidModeModeInfo) **modes;
525#endif
526#if SDL_VIDEO_DRIVER_X11_XME
527 int xme_major, xme_minor;
528 int ractive, nummodes;
529 XiGMiscResolutionInfo *modelist;
530#endif
531 int i, n;
532 int screen_w;
533 int screen_h;
534
535 use_xinerama = 0;
536 use_xrandr = 0;
537 use_vidmode = 0;
538 use_xme = 0;
539 screen_w = DisplayWidth(SDL_Display, SDL_Screen);
540 screen_h = DisplayHeight(SDL_Display, SDL_Screen);
541
542#if SDL_VIDEO_DRIVER_X11_XINERAMA
543 /* Query Xinerama extention */
544 if ( CheckXinerama(this, &xinerama_major, &xinerama_minor) ) {
545 /* Find out which screen is the desired one */
546 int desired = -1;
547 int screens;
548 int w, h;
549 SDL_NAME(XineramaScreenInfo) *xinerama;
550
551 const char *variable = SDL_getenv("SDL_VIDEO_FULLSCREEN_DISPLAY");
552 if ( !variable ) {
553 variable = SDL_getenv("SDL_VIDEO_FULLSCREEN_HEAD");
554 }
555 if ( variable ) {
556 desired = SDL_atoi(variable);
557 }
558#ifdef X11MODES_DEBUG
559 printf("X11 detected Xinerama:\n");
560#endif
561 xinerama = SDL_NAME(XineramaQueryScreens)(SDL_Display, &screens);
562 for ( i = 0; i < screens; i++ ) {
563#ifdef X11MODES_DEBUG
564 printf("xinerama %d: %dx%d+%d+%d\n",
565 xinerama[i].screen_number,
566 xinerama[i].width, xinerama[i].height,
567 xinerama[i].x_org, xinerama[i].y_org);
568#endif
569 if ( xinerama[i].screen_number == desired ) {
570 use_xinerama = 1;
571 xinerama_info = xinerama[i];
572 }
573 }
574 XFree(xinerama);
575
576 if ( use_xinerama ) {
577 SDL_modelist = (SDL_Rect **)SDL_malloc(3*sizeof(SDL_Rect *));
578 if ( !SDL_modelist ) {
579 SDL_OutOfMemory();
580 return -1;
581 }
582
583 /* Add the full xinerama mode */
584 n = 0;
585 w = xinerama_info.width;
586 h = xinerama_info.height;
587 if ( screen_w > w || screen_h > h) {
588 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
589 if ( SDL_modelist[n] ) {
590 SDL_modelist[n]->x = 0;
591 SDL_modelist[n]->y = 0;
592 SDL_modelist[n]->w = screen_w;
593 SDL_modelist[n]->h = screen_h;
594 ++n;
595 }
596 }
597
598 /* Add the head xinerama mode */
599 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
600 if ( SDL_modelist[n] ) {
601 SDL_modelist[n]->x = 0;
602 SDL_modelist[n]->y = 0;
603 SDL_modelist[n]->w = w;
604 SDL_modelist[n]->h = h;
605 ++n;
606 }
607 SDL_modelist[n] = NULL;
608 }
609 }
610#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
611
612#if SDL_VIDEO_DRIVER_X11_XRANDR
613 /* XRandR */
614 /* require at least XRandR v1.0 (arbitrary) */
615 if ( CheckXRandR(this, &xrandr_major, &xrandr_minor) && (xrandr_major >= 1) )
616 {
617#ifdef X11MODES_DEBUG
618 fprintf(stderr, "XRANDR: XRRQueryVersion: V%d.%d\n",
619 xrandr_major, xrandr_minor);
620#endif
621
622 /* save the screen configuration since we must reference it
623 each time we toggle modes.
624 */
625 screen_config = XRRGetScreenInfo(SDL_Display, SDL_Root);
626
627 /* retrieve the list of resolution */
628 sizes = XRRConfigSizes(screen_config, &nsizes);
629 if (nsizes > 0) {
630 if ( SDL_modelist ) {
631 for ( i = 0; SDL_modelist[i]; ++i ) {
632 SDL_free(SDL_modelist[i]);
633 }
634 SDL_free(SDL_modelist);
635 }
636 SDL_modelist = (SDL_Rect **)malloc((nsizes+1)*sizeof(SDL_Rect *));
637 if ( !SDL_modelist ) {
638 SDL_OutOfMemory();
639 return -1;
640 }
641 for ( i=0; i < nsizes; i++ ) {
642 if ((SDL_modelist[i] =
643 (SDL_Rect *)malloc(sizeof(SDL_Rect))) == NULL)
644 break;
645#ifdef X11MODES_DEBUG
646 fprintf(stderr, "XRANDR: mode = %4d, w = %4d, h = %4d\n",
647 i, sizes[i].width, sizes[i].height);
648#endif
649
650 SDL_modelist[i]->x = 0;
651 SDL_modelist[i]->y = 0;
652 SDL_modelist[i]->w = sizes[i].width;
653 SDL_modelist[i]->h = sizes[i].height;
654
655 }
656 /* sort the mode list descending as SDL expects */
657 SDL_qsort(SDL_modelist, nsizes, sizeof *SDL_modelist, cmpmodelist);
658 SDL_modelist[i] = NULL; /* terminator */
659
660 use_xrandr = xrandr_major * 100 + xrandr_minor;
661 saved_size_id = XRRConfigCurrentConfiguration(screen_config, &saved_rotation);
662 }
663 }
664#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
665
666#if SDL_VIDEO_DRIVER_X11_VIDMODE
667 /* XVidMode */
668 if ( !use_xrandr &&
669#if SDL_VIDEO_DRIVER_X11_XINERAMA
670 (!use_xinerama || xinerama_info.screen_number == -1) &&
671#endif
672 CheckVidMode(this, &vm_major, &vm_minor) &&
673 SDL_NAME(XF86VidModeGetAllModeLines)(SDL_Display, SDL_Screen,&nmodes,&modes) )
674 {
675#ifdef X11MODES_DEBUG
676 printf("VidMode modes: (unsorted)\n");
677 for ( i = 0; i < nmodes; ++i ) {
678 printf("Mode %d: %d x %d @ %d\n", i,
679 modes[i]->hdisplay, modes[i]->vdisplay,
680 (modes[i]->htotal && modes[i]->vtotal) ? (1000 * modes[i]->dotclock / (modes[i]->htotal * modes[i]->vtotal)) : 0 );
681 }
682#endif
683 if ( SDL_modelist ) {
684 for ( i = 0; SDL_modelist[i]; ++i ) {
685 SDL_free(SDL_modelist[i]);
686 }
687 SDL_free(SDL_modelist);
688 }
689 SDL_modelist = (SDL_Rect **)SDL_malloc((nmodes+2)*sizeof(SDL_Rect *));
690 if ( !SDL_modelist ) {
691 SDL_OutOfMemory();
692 return -1;
693 }
694 SDL_qsort(modes, nmodes, sizeof *modes, cmpmodes);
695 n = 0;
696 for ( i=0; i<nmodes; ++i ) {
697 int w, h;
698
699 /* Eliminate duplicate modes with different refresh rates */
700 if ( i > 0 &&
701 modes[i]->hdisplay == modes[i-1]->hdisplay &&
702 modes[i]->vdisplay == modes[i-1]->vdisplay ) {
703 continue;
704 }
705
706 /* Check to see if we should add the screen size (Xinerama) */
707 w = modes[i]->hdisplay;
708 h = modes[i]->vdisplay;
709 if ( (screen_w * screen_h) >= (w * h) ) {
710 if ( (screen_w != w) || (screen_h != h) ) {
711 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
712 if ( SDL_modelist[n] ) {
713 SDL_modelist[n]->x = 0;
714 SDL_modelist[n]->y = 0;
715 SDL_modelist[n]->w = screen_w;
716 SDL_modelist[n]->h = screen_h;
717 ++n;
718 }
719 }
720 screen_w = 0;
721 screen_h = 0;
722 }
723
724 /* Add the size from the video mode list */
725 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
726 if ( SDL_modelist[n] == NULL ) {
727 break;
728 }
729 SDL_modelist[n]->x = 0;
730 SDL_modelist[n]->y = 0;
731 SDL_modelist[n]->w = w;
732 SDL_modelist[n]->h = h;
733 ++n;
734 }
735 SDL_modelist[n] = NULL;
736 XFree(modes);
737
738 use_vidmode = vm_major * 100 + vm_minor;
739 save_mode(this);
740 }
741#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
742
743#if SDL_VIDEO_DRIVER_X11_XME
744 /* XiG */
745 modelist = NULL;
746 /* first lets make sure we have the extension, and it's at least v2.0 */
747 if ( CheckXME(this, &xme_major, &xme_minor) && xme_major >= 2 &&
748 (nummodes = XiGMiscQueryResolutions(SDL_Display, SDL_Screen,
749 0, /* view */
750 &ractive, &modelist)) > 1 )
751 { /* then we actually have some */
752 int j;
753
754 /* We get the list already sorted in descending order.
755 We'll copy it in reverse order so SDL is happy */
756#ifdef X11MODES_DEBUG
757 fprintf(stderr, "XME: nummodes = %d, active mode = %d\n",
758 nummodes, ractive);
759#endif
760 if ( SDL_modelist ) {
761 for ( i = 0; SDL_modelist[i]; ++i ) {
762 SDL_free(SDL_modelist[i]);
763 }
764 SDL_free(SDL_modelist);
765 }
766 SDL_modelist = (SDL_Rect **)SDL_malloc((nummodes+1)*sizeof(SDL_Rect *));
767 if ( !SDL_modelist ) {
768 SDL_OutOfMemory();
769 return -1;
770 }
771 for ( i=0, j=nummodes-1; j>=0; i++, j-- ) {
772 if ((SDL_modelist[i] =
773 (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect))) == NULL)
774 break;
775#ifdef X11MODES_DEBUG
776 fprintf(stderr, "XME: mode = %4d, w = %4d, h = %4d\n",
777 i, modelist[i].width, modelist[i].height);
778#endif
779
780 SDL_modelist[i]->x = 0;
781 SDL_modelist[i]->y = 0;
782 SDL_modelist[i]->w = modelist[j].width;
783 SDL_modelist[i]->h = modelist[j].height;
784
785 }
786 SDL_modelist[i] = NULL; /* terminator */
787
788 use_xme = xme_major * 100 + xme_minor;
789 saved_res = modelist[ractive]; /* save the current resolution */
790 }
791 if ( modelist ) {
792 XFree(modelist);
793 }
794#endif /* SDL_VIDEO_DRIVER_X11_XME */
795
796 {
797 /* It's interesting to note that if we allow 32 bit depths,
798 we get a visual with an alpha mask on composite servers.
799 static int depth_list[] = { 32, 24, 16, 15, 8 };
800 */
801 static int depth_list[] = { 24, 16, 15, 8 };
802 int j, np;
803 int use_directcolor = 1;
804 XPixmapFormatValues *pf;
805
806 /* Search for the visuals in deepest-first order, so that the first
807 will be the richest one */
808 if ( SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) {
809 use_directcolor = 0;
810 }
811 this->hidden->nvisuals = 0;
812 if ( ! add_visual_byid(this, SDL_getenv("SDL_VIDEO_X11_VISUALID")) ) {
813 for ( i=0; i<SDL_arraysize(depth_list); ++i ) {
814 if ( depth_list[i] > 8 ) {
815 if ( use_directcolor ) {
816 add_visual(this, depth_list[i], DirectColor);
817 }
818 add_visual(this, depth_list[i], TrueColor);
819 } else {
820 add_visual(this, depth_list[i], PseudoColor);
821 add_visual(this, depth_list[i], StaticColor);
822 }
823 }
824 add_default_visual(this);
825 }
826 if ( this->hidden->nvisuals == 0 ) {
827 SDL_SetError("Found no sufficiently capable X11 visuals");
828 return -1;
829 }
830
831 /* look up the pixel quantum for each depth */
832 pf = XListPixmapFormats(SDL_Display, &np);
833 for(i = 0; i < this->hidden->nvisuals; i++) {
834 int d = this->hidden->visuals[i].depth;
835 for(j = 0; j < np; j++)
836 if(pf[j].depth == d)
837 break;
838 this->hidden->visuals[i].bpp = j < np ? pf[j].bits_per_pixel : d;
839 }
840
841 XFree(pf);
842 }
843
844 if ( SDL_modelist == NULL ) {
845 SDL_modelist = (SDL_Rect **)SDL_malloc((1+1)*sizeof(SDL_Rect *));
846 if ( !SDL_modelist ) {
847 SDL_OutOfMemory();
848 return -1;
849 }
850 n = 0;
851 SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
852 if ( SDL_modelist[n] ) {
853 SDL_modelist[n]->x = 0;
854 SDL_modelist[n]->y = 0;
855 SDL_modelist[n]->w = screen_w;
856 SDL_modelist[n]->h = screen_h;
857 ++n;
858 }
859 SDL_modelist[n] = NULL;
860 }
861
862#ifdef X11MODES_DEBUG
863 if ( use_xinerama ) {
864 printf("Xinerama is enabled\n");
865 }
866
867 if ( use_xrandr ) {
868 printf("XRandR is enabled\n");
869 }
870
871 if ( use_vidmode ) {
872 printf("VidMode is enabled\n");
873 }
874
875 if ( use_xme ) {
876 printf("Xi Graphics XME fullscreen is enabled\n");
877 }
878
879 if ( SDL_modelist ) {
880 printf("X11 video mode list:\n");
881 for ( i=0; SDL_modelist[i]; ++i ) {
882 printf("\t%dx%d\n", SDL_modelist[i]->w, SDL_modelist[i]->h);
883 }
884 }
885#endif /* X11MODES_DEBUG */
886
887 return 0;
888}
889
890int X11_SupportedVisual(_THIS, SDL_PixelFormat *format)
891{
892 int i;
893 for(i = 0; i < this->hidden->nvisuals; i++)
894 if(this->hidden->visuals[i].bpp == format->BitsPerPixel)
895 return 1;
896 return 0;
897}
898
899SDL_Rect **X11_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
900{
901 if ( X11_SupportedVisual(this, format) ) {
902 if ( flags & SDL_FULLSCREEN ) {
903 return(SDL_modelist);
904 } else {
905 return((SDL_Rect **)-1);
906 }
907 } else {
908 return((SDL_Rect **)0);
909 }
910}
911
912void X11_FreeVideoModes(_THIS)
913{
914 int i;
915
916 if ( SDL_modelist ) {
917 for ( i=0; SDL_modelist[i]; ++i ) {
918 SDL_free(SDL_modelist[i]);
919 }
920 SDL_free(SDL_modelist);
921 SDL_modelist = NULL;
922 }
923
924#if SDL_VIDEO_DRIVER_X11_XRANDR
925 /* Free the Xrandr screen configuration */
926 if ( screen_config ) {
927 XRRFreeScreenConfigInfo(screen_config);
928 screen_config = NULL;
929 }
930#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
931}
932
933int X11_ResizeFullScreen(_THIS)
934{
935 int x = 0, y = 0;
936 int real_w, real_h;
937 int screen_w;
938 int screen_h;
939
940 screen_w = DisplayWidth(SDL_Display, SDL_Screen);
941 screen_h = DisplayHeight(SDL_Display, SDL_Screen);
942
943#if SDL_VIDEO_DRIVER_X11_XINERAMA
944 if ( use_xinerama &&
945 window_w <= xinerama_info.width &&
946 window_h <= xinerama_info.height ) {
947 x = xinerama_info.x_org;
948 y = xinerama_info.y_org;
949 }
950#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
951
952 if ( currently_fullscreen ) {
953 /* Switch resolution and cover it with the FSwindow */
954 move_cursor_to(this, x, y);
955 set_best_resolution(this, window_w, window_h);
956 move_cursor_to(this, x, y);
957 get_real_resolution(this, &real_w, &real_h);
958 if ( window_w > real_w ) {
959 real_w = MAX(real_w, screen_w);
960 }
961 if ( window_h > real_h ) {
962 real_h = MAX(real_h, screen_h);
963 }
964 XMoveResizeWindow(SDL_Display, FSwindow, x, y, real_w, real_h);
965 move_cursor_to(this, real_w/2, real_h/2);
966
967 /* Center and reparent the drawing window */
968 x = (real_w - window_w)/2;
969 y = (real_h - window_h)/2;
970 XReparentWindow(SDL_Display, SDL_Window, FSwindow, x, y);
971 /* FIXME: move the mouse to the old relative location */
972 XSync(SDL_Display, True); /* Flush spurious mode change events */
973 }
974 return(1);
975}
976
977void X11_QueueEnterFullScreen(_THIS)
978{
979 switch_waiting = 0x01 | SDL_FULLSCREEN;
980 switch_time = SDL_GetTicks() + 1500;
981#if 0 /* This causes a BadMatch error if the window is iconified (not needed) */
982 XSetInputFocus(SDL_Display, WMwindow, RevertToNone, CurrentTime);
983#endif
984}
985
986int X11_EnterFullScreen(_THIS)
987{
988 int okay;
989#if 0
990 Window tmpwin, *windows;
991 int i, nwindows;
992#endif
993 int x = 0, y = 0;
994 int real_w, real_h;
995 int screen_w;
996 int screen_h;
997
998 okay = 1;
999 if ( currently_fullscreen ) {
1000 return(okay);
1001 }
1002
1003 /* Ungrab the input so that we can move the mouse around */
1004 X11_GrabInputNoLock(this, SDL_GRAB_OFF);
1005
1006#if SDL_VIDEO_DRIVER_X11_XINERAMA
1007 if ( use_xinerama &&
1008 window_w <= xinerama_info.width &&
1009 window_h <= xinerama_info.height ) {
1010 x = xinerama_info.x_org;
1011 y = xinerama_info.y_org;
1012 }
1013#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
1014
1015 /* Map the fullscreen window to blank the screen */
1016 screen_w = DisplayWidth(SDL_Display, SDL_Screen);
1017 screen_h = DisplayHeight(SDL_Display, SDL_Screen);
1018 get_real_resolution(this, &real_w, &real_h);
1019 real_w = MAX(window_w, MAX(real_w, screen_w));
1020 real_h = MAX(window_h, MAX(real_h, screen_h));
1021 XMoveResizeWindow(SDL_Display, FSwindow,
1022 x, y, real_w, real_h);
1023 XMapRaised(SDL_Display, FSwindow);
1024 X11_WaitMapped(this, FSwindow);
1025
1026#if 0 /* This seems to break WindowMaker in focus-follows-mouse mode */
1027 /* Make sure we got to the top of the window stack */
1028 if ( XQueryTree(SDL_Display, SDL_Root, &tmpwin, &tmpwin,
1029 &windows, &nwindows) && windows ) {
1030 /* If not, try to put us there - if fail... oh well */
1031 if ( windows[nwindows-1] != FSwindow ) {
1032 tmpwin = windows[nwindows-1];
1033 for ( i=0; i<nwindows; ++i ) {
1034 if ( windows[i] == FSwindow ) {
1035 SDL_memcpy(&windows[i], &windows[i+1],
1036 (nwindows-i-1)*sizeof(windows[i]));
1037 break;
1038 }
1039 }
1040 windows[nwindows-1] = FSwindow;
1041 XRestackWindows(SDL_Display, windows, nwindows);
1042 XSync(SDL_Display, False);
1043 }
1044 XFree(windows);
1045 }
1046#else
1047 XRaiseWindow(SDL_Display, FSwindow);
1048#endif
1049
1050#if SDL_VIDEO_DRIVER_X11_VIDMODE
1051 /* Save the current video mode */
1052 if ( use_vidmode ) {
1053 SDL_NAME(XF86VidModeLockModeSwitch)(SDL_Display, SDL_Screen, True);
1054 save_mode(this);
1055 }
1056#endif
1057 currently_fullscreen = 1;
1058
1059 /* Set the new resolution */
1060 okay = X11_ResizeFullScreen(this);
1061 if ( ! okay ) {
1062 X11_LeaveFullScreen(this);
1063 }
1064 /* Set the colormap */
1065 if ( SDL_XColorMap ) {
1066 XInstallColormap(SDL_Display, SDL_XColorMap);
1067 }
1068 if ( okay ) {
1069 X11_GrabInputNoLock(this, this->input_grab | SDL_GRAB_FULLSCREEN);
1070 }
1071
1072 /* We may need to refresh the screen at this point (no backing store)
1073 We also don't get an event, which is why we explicitly refresh. */
1074 if ( this->screen ) {
1075 if ( this->screen->flags & SDL_OPENGL ) {
1076 SDL_PrivateExpose();
1077 } else {
1078 X11_RefreshDisplay(this);
1079 }
1080 }
1081
1082 return(okay);
1083}
1084
1085int X11_LeaveFullScreen(_THIS)
1086{
1087 if ( currently_fullscreen ) {
1088 XReparentWindow(SDL_Display, SDL_Window, WMwindow, 0, 0);
1089#if SDL_VIDEO_DRIVER_X11_VIDMODE
1090 if ( use_vidmode ) {
1091 restore_mode(this);
1092 SDL_NAME(XF86VidModeLockModeSwitch)(SDL_Display, SDL_Screen, False);
1093 }
1094#endif
1095
1096#if SDL_VIDEO_DRIVER_X11_XME
1097 if ( use_xme ) {
1098 int rw, rh;
1099
1100 /* check current mode so we can avoid uneccessary mode changes */
1101 get_real_resolution(this, &rw, &rh);
1102
1103 if (rw != saved_res.width || rh != saved_res.height) {
1104 XiGMiscChangeResolution(SDL_Display,
1105 SDL_Screen,
1106 0, /* view */
1107 saved_res.width,
1108 saved_res.height,
1109 0);
1110 XSync(SDL_Display, False);
1111 }
1112 }
1113#endif
1114
1115#if SDL_VIDEO_DRIVER_X11_XRANDR
1116 if ( use_xrandr ) {
1117 XRRSetScreenConfig(SDL_Display, screen_config, SDL_Root,
1118 saved_size_id, saved_rotation, CurrentTime);
1119 }
1120#endif
1121
1122 XUnmapWindow(SDL_Display, FSwindow);
1123 X11_WaitUnmapped(this, FSwindow);
1124 XSync(SDL_Display, True); /* Flush spurious mode change events */
1125 currently_fullscreen = 0;
1126 }
1127 /* If we get popped out of fullscreen mode for some reason, input_grab
1128 will still have the SDL_GRAB_FULLSCREEN flag set, since this is only
1129 temporary. In this case, release the grab unless the input has been
1130 explicitly grabbed.
1131 */
1132 X11_GrabInputNoLock(this, this->input_grab & ~SDL_GRAB_FULLSCREEN);
1133
1134 /* We may need to refresh the screen at this point (no backing store)
1135 We also don't get an event, which is why we explicitly refresh. */
1136 if ( this->screen ) {
1137 if ( this->screen->flags & SDL_OPENGL ) {
1138 SDL_PrivateExpose();
1139 } else {
1140 X11_RefreshDisplay(this);
1141 }
1142 }
1143
1144 return(0);
1145}
SDL with some OMAP hardware support