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 (at) 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 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 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 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 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 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); 117 118 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 } 249 250 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 */ 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 */ 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 } 335 336 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 } 340 341 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 } 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 } 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 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 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 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 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 */ 508 509 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 } 887 888 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 } 896 897 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 } 909 910 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 } 930 931 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 } 974 975 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 } 983 984 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 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
