xrandr.c revision 78038a65
1/* 2 * Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc. 3 * Copyright © 2002 Hewlett Packard Company, Inc. 4 * Copyright © 2006 Intel Corporation 5 * 6 * Permission to use, copy, modify, distribute, and sell this software and its 7 * documentation for any purpose is hereby granted without fee, provided that 8 * the above copyright notice appear in all copies and that both that copyright 9 * notice and this permission notice appear in supporting documentation, and 10 * that the name of the copyright holders not be used in advertising or 11 * publicity pertaining to distribution of the software without specific, 12 * written prior permission. The copyright holders make no representations 13 * about the suitability of this software for any purpose. It is provided "as 14 * is" without express or implied warranty. 15 * 16 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 18 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 22 * OF THIS SOFTWARE. 23 * 24 * Thanks to Jim Gettys who wrote most of the client side code, 25 * and part of the server code for randr. 26 */ 27 28#include <stdio.h> 29#include <X11/Xlib.h> 30#include <X11/Xlibint.h> 31#include <X11/Xproto.h> 32#include <X11/Xatom.h> 33#include <X11/extensions/Xrandr.h> 34#include <X11/extensions/Xrender.h> /* we share subpixel information */ 35#include <string.h> 36#include <stdlib.h> 37#include <stdarg.h> 38#include <math.h> 39 40#ifdef HAVE_CONFIG_H 41#include "config.h" 42#endif 43 44#if RANDR_MAJOR > 1 || (RANDR_MAJOR == 1 && RANDR_MINOR >= 2) 45#define HAS_RANDR_1_2 1 46#endif 47 48static char *program_name; 49static Display *dpy; 50static Window root; 51static int screen = -1; 52static Bool verbose = False; 53static Bool automatic = False; 54static Bool properties = False; 55static Bool grab_server = True; 56static Bool no_primary = False; 57 58static char *direction[5] = { 59 "normal", 60 "left", 61 "inverted", 62 "right", 63 "\n"}; 64 65static char *reflections[5] = { 66 "normal", 67 "x", 68 "y", 69 "xy", 70 "\n"}; 71 72/* subpixel order */ 73static char *order[6] = { 74 "unknown", 75 "horizontal rgb", 76 "horizontal bgr", 77 "vertical rgb", 78 "vertical bgr", 79 "no subpixels"}; 80 81static const struct { 82 char *string; 83 unsigned long flag; 84} mode_flags[] = { 85 { "+HSync", RR_HSyncPositive }, 86 { "-HSync", RR_HSyncNegative }, 87 { "+VSync", RR_VSyncPositive }, 88 { "-VSync", RR_VSyncNegative }, 89 { "Interlace", RR_Interlace }, 90 { "DoubleScan", RR_DoubleScan }, 91 { "CSync", RR_CSync }, 92 { "+CSync", RR_CSyncPositive }, 93 { "-CSync", RR_CSyncNegative }, 94 { NULL, 0 } 95}; 96 97static void 98usage(void) 99{ 100 fprintf(stderr, "usage: %s [options]\n", program_name); 101 fprintf(stderr, " where options are:\n"); 102 fprintf(stderr, " -display <display> or -d <display>\n"); 103 fprintf(stderr, " -help\n"); 104 fprintf(stderr, " -o <normal,inverted,left,right,0,1,2,3>\n"); 105 fprintf(stderr, " or --orientation <normal,inverted,left,right,0,1,2,3>\n"); 106 fprintf(stderr, " -q or --query\n"); 107 fprintf(stderr, " -s <size>/<width>x<height> or --size <size>/<width>x<height>\n"); 108 fprintf(stderr, " -r <rate> or --rate <rate> or --refresh <rate>\n"); 109 fprintf(stderr, " -v or --version\n"); 110 fprintf(stderr, " -x (reflect in x)\n"); 111 fprintf(stderr, " -y (reflect in y)\n"); 112 fprintf(stderr, " --screen <screen>\n"); 113 fprintf(stderr, " --verbose\n"); 114 fprintf(stderr, " --dryrun\n"); 115 fprintf(stderr, " --nograb\n"); 116#if HAS_RANDR_1_2 117 fprintf(stderr, " --prop or --properties\n"); 118 fprintf(stderr, " --fb <width>x<height>\n"); 119 fprintf(stderr, " --fbmm <width>x<height>\n"); 120 fprintf(stderr, " --dpi <dpi>/<output>\n"); 121#if 0 122 fprintf(stderr, " --clone\n"); 123 fprintf(stderr, " --extend\n"); 124#endif 125 fprintf(stderr, " --output <output>\n"); 126 fprintf(stderr, " --auto\n"); 127 fprintf(stderr, " --mode <mode>\n"); 128 fprintf(stderr, " --preferred\n"); 129 fprintf(stderr, " --pos <x>x<y>\n"); 130 fprintf(stderr, " --rate <rate> or --refresh <rate>\n"); 131 fprintf(stderr, " --reflect normal,x,y,xy\n"); 132 fprintf(stderr, " --rotate normal,inverted,left,right\n"); 133 fprintf(stderr, " --left-of <output>\n"); 134 fprintf(stderr, " --right-of <output>\n"); 135 fprintf(stderr, " --above <output>\n"); 136 fprintf(stderr, " --below <output>\n"); 137 fprintf(stderr, " --same-as <output>\n"); 138 fprintf(stderr, " --set <property> <value>\n"); 139 fprintf(stderr, " --scale <x>x<y>\n"); 140 fprintf(stderr, " --transform <a>,<b>,<c>,<d>,<e>,<f>,<g>,<h>,<i>\n"); 141 fprintf(stderr, " --off\n"); 142 fprintf(stderr, " --crtc <crtc>\n"); 143 fprintf(stderr, " --panning <w>x<h>[+<x>+<y>[/<track:w>x<h>+<x>+<y>[/<border:l>/<t>/<r>/<b>]]]\n"); 144 fprintf(stderr, " --gamma <r>:<g>:<b>\n"); 145 fprintf(stderr, " --primary\n"); 146 fprintf(stderr, " --noprimary\n"); 147 fprintf(stderr, " --newmode <name> <clock MHz>\n"); 148 fprintf(stderr, " <hdisp> <hsync-start> <hsync-end> <htotal>\n"); 149 fprintf(stderr, " <vdisp> <vsync-start> <vsync-end> <vtotal>\n"); 150 fprintf(stderr, " [+HSync] [-HSync] [+VSync] [-VSync]\n"); 151 fprintf(stderr, " --rmmode <name>\n"); 152 fprintf(stderr, " --addmode <output> <name>\n"); 153 fprintf(stderr, " --delmode <output> <name>\n"); 154#endif 155 156 exit(1); 157 /*NOTREACHED*/ 158} 159 160static void 161fatal (const char *format, ...) 162{ 163 va_list ap; 164 165 va_start (ap, format); 166 fprintf (stderr, "%s: ", program_name); 167 vfprintf (stderr, format, ap); 168 va_end (ap); 169 exit (1); 170 /*NOTREACHED*/ 171} 172 173static void 174warning (const char *format, ...) 175{ 176 va_list ap; 177 178 va_start (ap, format); 179 fprintf (stderr, "%s: ", program_name); 180 vfprintf (stderr, format, ap); 181 va_end (ap); 182} 183 184static char * 185rotation_name (Rotation rotation) 186{ 187 int i; 188 189 if ((rotation & 0xf) == 0) 190 return "normal"; 191 for (i = 0; i < 4; i++) 192 if (rotation & (1 << i)) 193 return direction[i]; 194 return "invalid rotation"; 195} 196 197static char * 198reflection_name (Rotation rotation) 199{ 200 rotation &= (RR_Reflect_X|RR_Reflect_Y); 201 switch (rotation) { 202 case 0: 203 return "none"; 204 case RR_Reflect_X: 205 return "X axis"; 206 case RR_Reflect_Y: 207 return "Y axis"; 208 case RR_Reflect_X|RR_Reflect_Y: 209 return "X and Y axis"; 210 } 211 return "invalid reflection"; 212} 213 214#if HAS_RANDR_1_2 215typedef enum _policy { 216 clone, extend 217} policy_t; 218 219typedef enum _relation { 220 left_of, right_of, above, below, same_as, 221} relation_t; 222 223typedef struct { 224 int x, y, width, height; 225} rectangle_t; 226 227typedef struct { 228 int x1, y1, x2, y2; 229} box_t; 230 231typedef struct { 232 int x, y; 233} point_t; 234 235typedef enum _changes { 236 changes_none = 0, 237 changes_crtc = (1 << 0), 238 changes_mode = (1 << 1), 239 changes_relation = (1 << 2), 240 changes_position = (1 << 3), 241 changes_rotation = (1 << 4), 242 changes_reflection = (1 << 5), 243 changes_automatic = (1 << 6), 244 changes_refresh = (1 << 7), 245 changes_property = (1 << 8), 246 changes_transform = (1 << 9), 247 changes_panning = (1 << 10), 248 changes_gamma = (1 << 11), 249 changes_primary = (1 << 12), 250} changes_t; 251 252typedef enum _name_kind { 253 name_none = 0, 254 name_string = (1 << 0), 255 name_xid = (1 << 1), 256 name_index = (1 << 2), 257 name_preferred = (1 << 3), 258} name_kind_t; 259 260typedef struct { 261 name_kind_t kind; 262 char *string; 263 XID xid; 264 int index; 265} name_t; 266 267typedef struct _crtc crtc_t; 268typedef struct _output output_t; 269typedef struct _transform transform_t; 270typedef struct _umode umode_t; 271typedef struct _output_prop output_prop_t; 272 273struct _transform { 274 XTransform transform; 275 char *filter; 276 int nparams; 277 XFixed *params; 278}; 279 280struct _crtc { 281 name_t crtc; 282 Bool changing; 283 XRRCrtcInfo *crtc_info; 284 285 XRRModeInfo *mode_info; 286 XRRPanning *panning_info; 287 int x; 288 int y; 289 Rotation rotation; 290 output_t **outputs; 291 int noutput; 292 transform_t current_transform, pending_transform; 293}; 294 295struct _output_prop { 296 struct _output_prop *next; 297 char *name; 298 char *value; 299}; 300 301struct _output { 302 struct _output *next; 303 304 changes_t changes; 305 306 output_prop_t *props; 307 308 name_t output; 309 XRROutputInfo *output_info; 310 311 name_t crtc; 312 crtc_t *crtc_info; 313 crtc_t *current_crtc_info; 314 315 name_t mode; 316 float refresh; 317 XRRModeInfo *mode_info; 318 319 name_t addmode; 320 321 relation_t relation; 322 char *relative_to; 323 324 int x, y; 325 Rotation rotation; 326 327 XRRPanning panning; 328 329 Bool automatic; 330 transform_t transform; 331 332 struct { 333 float red; 334 float green; 335 float blue; 336 } gamma; 337 338 Bool primary; 339}; 340 341typedef enum _umode_action { 342 umode_create, umode_destroy, umode_add, umode_delete 343} umode_action_t; 344 345 346struct _umode { 347 struct _umode *next; 348 349 umode_action_t action; 350 XRRModeInfo mode; 351 name_t output; 352 name_t name; 353}; 354 355static char *connection[3] = { 356 "connected", 357 "disconnected", 358 "unknown connection"}; 359 360#define OUTPUT_NAME 1 361 362#define CRTC_OFF 2 363#define CRTC_UNSET 3 364#define CRTC_INDEX 0x40000000 365 366#define MODE_NAME 1 367#define MODE_OFF 2 368#define MODE_UNSET 3 369#define MODE_PREF 4 370 371#define POS_UNSET -1 372 373static output_t *outputs = NULL; 374static output_t **outputs_tail = &outputs; 375static crtc_t *crtcs; 376static umode_t *umodes; 377static int num_crtcs; 378static XRRScreenResources *res; 379static int fb_width = 0, fb_height = 0; 380static int fb_width_mm = 0, fb_height_mm = 0; 381static float dpi = 0; 382static char *dpi_output = NULL; 383static Bool dryrun = False; 384static int minWidth, maxWidth, minHeight, maxHeight; 385static Bool has_1_2 = False; 386static Bool has_1_3 = False; 387 388static int 389mode_height (XRRModeInfo *mode_info, Rotation rotation) 390{ 391 switch (rotation & 0xf) { 392 case RR_Rotate_0: 393 case RR_Rotate_180: 394 return mode_info->height; 395 case RR_Rotate_90: 396 case RR_Rotate_270: 397 return mode_info->width; 398 default: 399 return 0; 400 } 401} 402 403static int 404mode_width (XRRModeInfo *mode_info, Rotation rotation) 405{ 406 switch (rotation & 0xf) { 407 case RR_Rotate_0: 408 case RR_Rotate_180: 409 return mode_info->width; 410 case RR_Rotate_90: 411 case RR_Rotate_270: 412 return mode_info->height; 413 default: 414 return 0; 415 } 416} 417 418static Bool 419transform_point (XTransform *transform, double *xp, double *yp) 420{ 421 double vector[3]; 422 double result[3]; 423 int i, j; 424 double v; 425 426 vector[0] = *xp; 427 vector[1] = *yp; 428 vector[2] = 1; 429 for (j = 0; j < 3; j++) 430 { 431 v = 0; 432 for (i = 0; i < 3; i++) 433 v += (XFixedToDouble (transform->matrix[j][i]) * vector[i]); 434 if (v > 32767 || v < -32767) 435 return False; 436 result[j] = v; 437 } 438 if (!result[2]) 439 return False; 440 for (j = 0; j < 2; j++) 441 vector[j] = result[j] / result[2]; 442 *xp = vector[0]; 443 *yp = vector[1]; 444 return True; 445} 446 447static void 448path_bounds (XTransform *transform, point_t *points, int npoints, box_t *box) 449{ 450 int i; 451 box_t point; 452 453 for (i = 0; i < npoints; i++) { 454 double x, y; 455 x = points[i].x; 456 y = points[i].y; 457 transform_point (transform, &x, &y); 458 point.x1 = floor (x); 459 point.y1 = floor (y); 460 point.x2 = ceil (x); 461 point.y2 = ceil (y); 462 if (i == 0) 463 *box = point; 464 else { 465 if (point.x1 < box->x1) box->x1 = point.x1; 466 if (point.y1 < box->y1) box->y1 = point.y1; 467 if (point.x2 > box->x2) box->x2 = point.x2; 468 if (point.y2 > box->y2) box->y2 = point.y2; 469 } 470 } 471} 472 473static void 474mode_geometry (XRRModeInfo *mode_info, Rotation rotation, 475 XTransform *transform, 476 box_t *bounds) 477{ 478 point_t rect[4]; 479 int width = mode_width (mode_info, rotation); 480 int height = mode_height (mode_info, rotation); 481 482 rect[0].x = 0; 483 rect[0].y = 0; 484 rect[1].x = width; 485 rect[1].y = 0; 486 rect[2].x = width; 487 rect[2].y = height; 488 rect[3].x = 0; 489 rect[3].y = height; 490 path_bounds (transform, rect, 4, bounds); 491} 492 493/* v refresh frequency in Hz */ 494static float 495mode_refresh (XRRModeInfo *mode_info) 496{ 497 float rate; 498 499 if (mode_info->hTotal && mode_info->vTotal) 500 rate = ((float) mode_info->dotClock / 501 ((float) mode_info->hTotal * (float) mode_info->vTotal)); 502 else 503 rate = 0; 504 return rate; 505} 506 507/* h sync frequency in Hz */ 508static float 509mode_hsync (XRRModeInfo *mode_info) 510{ 511 float rate; 512 513 if (mode_info->hTotal) 514 rate = (float) mode_info->dotClock / (float) mode_info->hTotal; 515 else 516 rate = 0; 517 return rate; 518} 519 520static void 521init_name (name_t *name) 522{ 523 name->kind = name_none; 524} 525 526static void 527set_name_string (name_t *name, char *string) 528{ 529 name->kind |= name_string; 530 name->string = string; 531} 532 533static void 534set_name_xid (name_t *name, XID xid) 535{ 536 name->kind |= name_xid; 537 name->xid = xid; 538} 539 540static void 541set_name_index (name_t *name, int index) 542{ 543 name->kind |= name_index; 544 name->index = index; 545} 546 547static void 548set_name_preferred (name_t *name) 549{ 550 name->kind |= name_preferred; 551} 552 553static void 554set_name_all (name_t *name, name_t *old) 555{ 556 if (old->kind & name_xid) 557 name->xid = old->xid; 558 if (old->kind & name_string) 559 name->string = old->string; 560 if (old->kind & name_index) 561 name->index = old->index; 562 name->kind |= old->kind; 563} 564 565static void 566set_name (name_t *name, char *string, name_kind_t valid) 567{ 568 unsigned int xid; /* don't make it XID (which is unsigned long): 569 scanf() takes unsigned int */ 570 int index; 571 572 if ((valid & name_xid) && sscanf (string, "0x%x", &xid) == 1) 573 set_name_xid (name, xid); 574 else if ((valid & name_index) && sscanf (string, "%d", &index) == 1) 575 set_name_index (name, index); 576 else if (valid & name_string) 577 set_name_string (name, string); 578 else 579 usage (); 580} 581 582static void 583init_transform (transform_t *transform) 584{ 585 int x; 586 memset (&transform->transform, '\0', sizeof (transform->transform)); 587 for (x = 0; x < 3; x++) 588 transform->transform.matrix[x][x] = XDoubleToFixed (1.0); 589 transform->filter = ""; 590 transform->nparams = 0; 591 transform->params = NULL; 592} 593 594static void 595set_transform (transform_t *dest, 596 XTransform *transform, 597 char *filter, 598 XFixed *params, 599 int nparams) 600{ 601 dest->transform = *transform; 602 dest->filter = strdup (filter); 603 dest->nparams = nparams; 604 dest->params = malloc (nparams * sizeof (XFixed)); 605 memcpy (dest->params, params, nparams * sizeof (XFixed)); 606} 607 608static void 609copy_transform (transform_t *dest, transform_t *src) 610{ 611 set_transform (dest, &src->transform, 612 src->filter, src->params, src->nparams); 613} 614 615static Bool 616equal_transform (transform_t *a, transform_t *b) 617{ 618 if (memcmp (&a->transform, &b->transform, sizeof (XTransform)) != 0) 619 return False; 620 if (strcmp (a->filter, b->filter) != 0) 621 return False; 622 if (a->nparams != b->nparams) 623 return False; 624 if (memcmp (a->params, b->params, a->nparams * sizeof (XFixed)) != 0) 625 return False; 626 return True; 627} 628 629static output_t * 630add_output (void) 631{ 632 output_t *output = calloc (1, sizeof (output_t)); 633 634 if (!output) 635 fatal ("out of memory\n"); 636 output->next = NULL; 637 *outputs_tail = output; 638 outputs_tail = &output->next; 639 return output; 640} 641 642static output_t * 643find_output (name_t *name) 644{ 645 output_t *output; 646 647 for (output = outputs; output; output = output->next) 648 { 649 name_kind_t common = name->kind & output->output.kind; 650 651 if ((common & name_xid) && name->xid == output->output.xid) 652 break; 653 if ((common & name_string) && !strcmp (name->string, output->output.string)) 654 break; 655 if ((common & name_index) && name->index == output->output.index) 656 break; 657 } 658 return output; 659} 660 661static output_t * 662find_output_by_xid (RROutput output) 663{ 664 name_t output_name; 665 666 init_name (&output_name); 667 set_name_xid (&output_name, output); 668 return find_output (&output_name); 669} 670 671static output_t * 672find_output_by_name (char *name) 673{ 674 name_t output_name; 675 676 init_name (&output_name); 677 set_name_string (&output_name, name); 678 return find_output (&output_name); 679} 680 681static crtc_t * 682find_crtc (name_t *name) 683{ 684 int c; 685 crtc_t *crtc = NULL; 686 687 for (c = 0; c < num_crtcs; c++) 688 { 689 name_kind_t common; 690 691 crtc = &crtcs[c]; 692 common = name->kind & crtc->crtc.kind; 693 694 if ((common & name_xid) && name->xid == crtc->crtc.xid) 695 break; 696 if ((common & name_string) && !strcmp (name->string, crtc->crtc.string)) 697 break; 698 if ((common & name_index) && name->index == crtc->crtc.index) 699 break; 700 crtc = NULL; 701 } 702 return crtc; 703} 704 705static crtc_t * 706find_crtc_by_xid (RRCrtc crtc) 707{ 708 name_t crtc_name; 709 710 init_name (&crtc_name); 711 set_name_xid (&crtc_name, crtc); 712 return find_crtc (&crtc_name); 713} 714 715static XRRModeInfo * 716find_mode (name_t *name, float refresh) 717{ 718 int m; 719 XRRModeInfo *best = NULL; 720 float bestDist = 0; 721 722 for (m = 0; m < res->nmode; m++) 723 { 724 XRRModeInfo *mode = &res->modes[m]; 725 if ((name->kind & name_xid) && name->xid == mode->id) 726 { 727 best = mode; 728 break; 729 } 730 if ((name->kind & name_string) && !strcmp (name->string, mode->name)) 731 { 732 float dist; 733 734 if (refresh) 735 dist = fabs (mode_refresh (mode) - refresh); 736 else 737 dist = 0; 738 if (!best || dist < bestDist) 739 { 740 bestDist = dist; 741 best = mode; 742 } 743 break; 744 } 745 } 746 return best; 747} 748 749static XRRModeInfo * 750find_mode_by_xid (RRMode mode) 751{ 752 name_t mode_name; 753 754 init_name (&mode_name); 755 set_name_xid (&mode_name, mode); 756 return find_mode (&mode_name, 0); 757} 758 759#if 0 760static XRRModeInfo * 761find_mode_by_name (char *name) 762{ 763 name_t mode_name; 764 init_name (&mode_name); 765 set_name_string (&mode_name, name); 766 return find_mode (&mode_name, 0); 767} 768#endif 769 770static 771XRRModeInfo * 772find_mode_for_output (output_t *output, name_t *name) 773{ 774 XRROutputInfo *output_info = output->output_info; 775 int m; 776 XRRModeInfo *best = NULL; 777 float bestDist = 0; 778 779 for (m = 0; m < output_info->nmode; m++) 780 { 781 XRRModeInfo *mode; 782 783 mode = find_mode_by_xid (output_info->modes[m]); 784 if (!mode) continue; 785 if ((name->kind & name_xid) && name->xid == mode->id) 786 { 787 best = mode; 788 break; 789 } 790 if ((name->kind & name_string) && !strcmp (name->string, mode->name)) 791 { 792 float dist; 793 794 /* Stay away from doublescan modes unless refresh rate is specified. */ 795 if (!output->refresh && (mode->modeFlags & RR_DoubleScan)) 796 continue; 797 798 if (output->refresh) 799 dist = fabs (mode_refresh (mode) - output->refresh); 800 else 801 dist = 0; 802 if (!best || dist < bestDist) 803 { 804 bestDist = dist; 805 best = mode; 806 } 807 } 808 } 809 return best; 810} 811 812static XRRModeInfo * 813preferred_mode (output_t *output) 814{ 815 XRROutputInfo *output_info = output->output_info; 816 int m; 817 XRRModeInfo *best; 818 int bestDist; 819 820 best = NULL; 821 bestDist = 0; 822 for (m = 0; m < output_info->nmode; m++) 823 { 824 XRRModeInfo *mode_info = find_mode_by_xid (output_info->modes[m]); 825 int dist; 826 827 if (m < output_info->npreferred) 828 dist = 0; 829 else if (output_info->mm_height) 830 dist = (1000 * DisplayHeight(dpy, screen) / DisplayHeightMM(dpy, screen) - 831 1000 * mode_info->height / output_info->mm_height); 832 else 833 dist = DisplayHeight(dpy, screen) - mode_info->height; 834 835 if (dist < 0) dist = -dist; 836 if (!best || dist < bestDist) 837 { 838 best = mode_info; 839 bestDist = dist; 840 } 841 } 842 return best; 843} 844 845static Bool 846output_can_use_crtc (output_t *output, crtc_t *crtc) 847{ 848 XRROutputInfo *output_info = output->output_info; 849 int c; 850 851 for (c = 0; c < output_info->ncrtc; c++) 852 if (output_info->crtcs[c] == crtc->crtc.xid) 853 return True; 854 return False; 855} 856 857static Bool 858output_can_use_mode (output_t *output, XRRModeInfo *mode) 859{ 860 XRROutputInfo *output_info = output->output_info; 861 int m; 862 863 for (m = 0; m < output_info->nmode; m++) 864 if (output_info->modes[m] == mode->id) 865 return True; 866 return False; 867} 868 869static Bool 870crtc_can_use_rotation (crtc_t *crtc, Rotation rotation) 871{ 872 Rotation rotations = crtc->crtc_info->rotations; 873 Rotation dir = rotation & (RR_Rotate_0|RR_Rotate_90|RR_Rotate_180|RR_Rotate_270); 874 Rotation reflect = rotation & (RR_Reflect_X|RR_Reflect_Y); 875 if (((rotations & dir) != 0) && ((rotations & reflect) == reflect)) 876 return True; 877 return False; 878} 879 880#if 0 881static Bool 882crtc_can_use_transform (crtc_t *crtc, XTransform *transform) 883{ 884 int major, minor; 885 886 XRRQueryVersion (dpy, &major, &minor); 887 if (major > 1 || (major == 1 && minor >= 3)) 888 return True; 889 return False; 890} 891#endif 892 893/* 894 * Report only rotations that are supported by all crtcs 895 */ 896static Rotation 897output_rotations (output_t *output) 898{ 899 Bool found = False; 900 Rotation rotation = RR_Rotate_0; 901 XRROutputInfo *output_info = output->output_info; 902 int c; 903 904 for (c = 0; c < output_info->ncrtc; c++) 905 { 906 crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[c]); 907 if (crtc) 908 { 909 if (!found) { 910 rotation = crtc->crtc_info->rotations; 911 found = True; 912 } else 913 rotation &= crtc->crtc_info->rotations; 914 } 915 } 916 return rotation; 917} 918 919static Bool 920output_can_use_rotation (output_t *output, Rotation rotation) 921{ 922 XRROutputInfo *output_info = output->output_info; 923 int c; 924 925 /* make sure all of the crtcs can use this rotation. 926 * yes, this is not strictly necessary, but it is 927 * simpler,and we expect most drivers to either 928 * support rotation everywhere or nowhere 929 */ 930 for (c = 0; c < output_info->ncrtc; c++) 931 { 932 crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[c]); 933 if (crtc && !crtc_can_use_rotation (crtc, rotation)) 934 return False; 935 } 936 return True; 937} 938 939static Bool 940output_is_primary(output_t *output) 941{ 942 if (has_1_3) 943 return XRRGetOutputPrimary(dpy, root) == output->output.xid; 944 return False; 945} 946 947static void 948set_output_info (output_t *output, RROutput xid, XRROutputInfo *output_info) 949{ 950 /* sanity check output info */ 951 if (output_info->connection != RR_Disconnected && !output_info->nmode) 952 warning ("Output %s is not disconnected but has no modes\n", 953 output_info->name); 954 955 /* set output name and info */ 956 if (!(output->output.kind & name_xid)) 957 set_name_xid (&output->output, xid); 958 if (!(output->output.kind & name_string)) 959 set_name_string (&output->output, output_info->name); 960 output->output_info = output_info; 961 962 /* set crtc name and info */ 963 if (!(output->changes & changes_crtc)) 964 set_name_xid (&output->crtc, output_info->crtc); 965 966 if (output->crtc.kind == name_xid && output->crtc.xid == None) 967 output->crtc_info = NULL; 968 else 969 { 970 output->crtc_info = find_crtc (&output->crtc); 971 if (!output->crtc_info) 972 { 973 if (output->crtc.kind & name_xid) 974 fatal ("cannot find crtc 0x%x\n", output->crtc.xid); 975 if (output->crtc.kind & name_index) 976 fatal ("cannot find crtc %d\n", output->crtc.index); 977 } 978 if (!output_can_use_crtc (output, output->crtc_info)) 979 fatal ("output %s cannot use crtc 0x%x\n", output->output.string, 980 output->crtc_info->crtc.xid); 981 } 982 983 /* set mode name and info */ 984 if (!(output->changes & changes_mode)) 985 { 986 if (output->crtc_info) 987 set_name_xid (&output->mode, output->crtc_info->crtc_info->mode); 988 else 989 set_name_xid (&output->mode, None); 990 if (output->mode.xid) 991 { 992 output->mode_info = find_mode_by_xid (output->mode.xid); 993 if (!output->mode_info) 994 fatal ("server did not report mode 0x%x for output %s\n", 995 output->mode.xid, output->output.string); 996 } 997 else 998 output->mode_info = NULL; 999 } 1000 else if (output->mode.kind == name_xid && output->mode.xid == None) 1001 output->mode_info = NULL; 1002 else 1003 { 1004 if (output->mode.kind == name_preferred) 1005 output->mode_info = preferred_mode (output); 1006 else 1007 output->mode_info = find_mode_for_output (output, &output->mode); 1008 if (!output->mode_info) 1009 { 1010 if (output->mode.kind & name_preferred) 1011 fatal ("cannot find preferred mode\n"); 1012 if (output->mode.kind & name_string) 1013 fatal ("cannot find mode %s\n", output->mode.string); 1014 if (output->mode.kind & name_xid) 1015 fatal ("cannot find mode 0x%x\n", output->mode.xid); 1016 } 1017 if (!output_can_use_mode (output, output->mode_info)) 1018 fatal ("output %s cannot use mode %s\n", output->output.string, 1019 output->mode_info->name); 1020 } 1021 1022 /* set position */ 1023 if (!(output->changes & changes_position)) 1024 { 1025 if (output->crtc_info) 1026 { 1027 output->x = output->crtc_info->crtc_info->x; 1028 output->y = output->crtc_info->crtc_info->y; 1029 } 1030 else 1031 { 1032 output->x = 0; 1033 output->y = 0; 1034 } 1035 } 1036 1037 /* set rotation */ 1038 if (!(output->changes & changes_rotation)) 1039 { 1040 output->rotation &= ~0xf; 1041 if (output->crtc_info) 1042 output->rotation |= (output->crtc_info->crtc_info->rotation & 0xf); 1043 else 1044 output->rotation = RR_Rotate_0; 1045 } 1046 if (!(output->changes & changes_reflection)) 1047 { 1048 output->rotation &= ~(RR_Reflect_X|RR_Reflect_Y); 1049 if (output->crtc_info) 1050 output->rotation |= (output->crtc_info->crtc_info->rotation & 1051 (RR_Reflect_X|RR_Reflect_Y)); 1052 } 1053 if (!output_can_use_rotation (output, output->rotation)) 1054 fatal ("output %s cannot use rotation \"%s\" reflection \"%s\"\n", 1055 output->output.string, 1056 rotation_name (output->rotation), 1057 reflection_name (output->rotation)); 1058 1059 /* set transformation */ 1060 if (!(output->changes & changes_transform)) 1061 { 1062 if (output->crtc_info) 1063 copy_transform (&output->transform, &output->crtc_info->current_transform); 1064 else 1065 init_transform (&output->transform); 1066 } 1067 1068 /* set primary */ 1069 if (!(output->changes & changes_primary)) 1070 output->primary = output_is_primary(output); 1071} 1072 1073static void 1074get_screen (Bool current) 1075{ 1076 if (!has_1_2) 1077 fatal ("Server RandR version before 1.2\n"); 1078 1079 XRRGetScreenSizeRange (dpy, root, &minWidth, &minHeight, 1080 &maxWidth, &maxHeight); 1081 1082 if (current) 1083 res = XRRGetScreenResourcesCurrent (dpy, root); 1084 else 1085 res = XRRGetScreenResources (dpy, root); 1086 if (!res) fatal ("could not get screen resources"); 1087} 1088 1089static void 1090get_crtcs (void) 1091{ 1092 int c; 1093 1094 num_crtcs = res->ncrtc; 1095 crtcs = calloc (num_crtcs, sizeof (crtc_t)); 1096 if (!crtcs) fatal ("out of memory\n"); 1097 1098 for (c = 0; c < res->ncrtc; c++) 1099 { 1100 XRRCrtcInfo *crtc_info = XRRGetCrtcInfo (dpy, res, res->crtcs[c]); 1101#if RANDR_MAJOR > 1 || RANDR_MINOR >= 3 1102 XRRCrtcTransformAttributes *attr; 1103#endif 1104 XRRPanning *panning_info = NULL; 1105 1106 if (has_1_3) { 1107 XRRPanning zero; 1108 memset(&zero, 0, sizeof(zero)); 1109 panning_info = XRRGetPanning (dpy, res, res->crtcs[c]); 1110 zero.timestamp = panning_info->timestamp; 1111 if (!memcmp(panning_info, &zero, sizeof(zero))) { 1112 Xfree(panning_info); 1113 panning_info = NULL; 1114 } 1115 } 1116 1117 set_name_xid (&crtcs[c].crtc, res->crtcs[c]); 1118 set_name_index (&crtcs[c].crtc, c); 1119 if (!crtc_info) fatal ("could not get crtc 0x%x information\n", res->crtcs[c]); 1120 crtcs[c].crtc_info = crtc_info; 1121 crtcs[c].panning_info = panning_info; 1122 if (crtc_info->mode == None) 1123 { 1124 crtcs[c].mode_info = NULL; 1125 crtcs[c].x = 0; 1126 crtcs[c].y = 0; 1127 crtcs[c].rotation = RR_Rotate_0; 1128 } 1129#if RANDR_MAJOR > 1 || RANDR_MINOR >= 3 1130 if (XRRGetCrtcTransform (dpy, res->crtcs[c], &attr) && attr) { 1131 set_transform (&crtcs[c].current_transform, 1132 &attr->currentTransform, 1133 attr->currentFilter, 1134 attr->currentParams, 1135 attr->currentNparams); 1136 XFree (attr); 1137 } 1138 else 1139#endif 1140 { 1141 init_transform (&crtcs[c].current_transform); 1142 } 1143 copy_transform (&crtcs[c].pending_transform, &crtcs[c].current_transform); 1144 } 1145} 1146 1147static void 1148crtc_add_output (crtc_t *crtc, output_t *output) 1149{ 1150 if (crtc->outputs) 1151 crtc->outputs = realloc (crtc->outputs, (crtc->noutput + 1) * sizeof (output_t *)); 1152 else 1153 { 1154 crtc->outputs = malloc (sizeof (output_t *)); 1155 crtc->x = output->x; 1156 crtc->y = output->y; 1157 crtc->rotation = output->rotation; 1158 crtc->mode_info = output->mode_info; 1159 copy_transform (&crtc->pending_transform, &output->transform); 1160 } 1161 if (!crtc->outputs) fatal ("out of memory\n"); 1162 crtc->outputs[crtc->noutput++] = output; 1163} 1164 1165static void 1166set_crtcs (void) 1167{ 1168 output_t *output; 1169 1170 for (output = outputs; output; output = output->next) 1171 { 1172 if (!output->mode_info) continue; 1173 crtc_add_output (output->crtc_info, output); 1174 } 1175} 1176 1177static void 1178set_panning (void) 1179{ 1180 output_t *output; 1181 1182 for (output = outputs; output; output = output->next) 1183 { 1184 if (! output->crtc_info) 1185 continue; 1186 if (! (output->changes & changes_panning)) 1187 continue; 1188 if (! output->crtc_info->panning_info) 1189 output->crtc_info->panning_info = malloc (sizeof(XRRPanning)); 1190 memcpy (output->crtc_info->panning_info, &output->panning, sizeof(XRRPanning)); 1191 output->crtc_info->changing = 1; 1192 } 1193} 1194 1195static void 1196set_gamma(void) 1197{ 1198 output_t *output; 1199 1200 for (output = outputs; output; output = output->next) { 1201 int i, size; 1202 crtc_t *crtc; 1203 XRRCrtcGamma *gamma; 1204 1205 if (!(output->changes & changes_gamma)) 1206 continue; 1207 1208 if (!output->crtc_info) { 1209 fatal("Need crtc to set gamma on.\n"); 1210 continue; 1211 } 1212 1213 crtc = output->crtc_info; 1214 1215 size = XRRGetCrtcGammaSize(dpy, crtc->crtc.xid); 1216 1217 if (!size) { 1218 fatal("Gamma size is 0.\n"); 1219 continue; 1220 } 1221 1222 gamma = XRRAllocGamma(size); 1223 if (!gamma) { 1224 fatal("Gamma allocation failed.\n"); 1225 continue; 1226 } 1227 1228 for (i = 0; i < size; i++) { 1229 if (output->gamma.red == 1.0) 1230 gamma->red[i] = i << 8; 1231 else 1232 gamma->red[i] = (CARD16)(pow((double)i/(double)(size - 1), 1233 (double)output->gamma.red) * (double)(size - 1) * 256); 1234 1235 if (output->gamma.green == 1.0) 1236 gamma->green[i] = i << 8; 1237 else 1238 gamma->green[i] = (CARD16)(pow((double)i/(double)(size - 1), 1239 (double)output->gamma.green) * (double)(size - 1) * 256); 1240 1241 if (output->gamma.blue == 1.0) 1242 gamma->blue[i] = i << 8; 1243 else 1244 gamma->blue[i] = (CARD16)(pow((double)i/(double)(size - 1), 1245 (double)output->gamma.blue) * (double)(size - 1) * 256); 1246 } 1247 1248 XRRSetCrtcGamma(dpy, crtc->crtc.xid, gamma); 1249 1250 free(gamma); 1251 } 1252} 1253 1254static void 1255set_primary(void) 1256{ 1257 output_t *output; 1258 1259 if (no_primary) { 1260 XRRSetOutputPrimary(dpy, root, None); 1261 } else { 1262 for (output = outputs; output; output = output->next) { 1263 if (!(output->changes & changes_primary)) 1264 continue; 1265 if (output->primary) 1266 XRRSetOutputPrimary(dpy, root, output->output.xid); 1267 } 1268 } 1269} 1270 1271static Status 1272crtc_disable (crtc_t *crtc) 1273{ 1274 if (verbose) 1275 printf ("crtc %d: disable\n", crtc->crtc.index); 1276 1277 if (dryrun) 1278 return RRSetConfigSuccess; 1279 return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, 1280 0, 0, None, RR_Rotate_0, NULL, 0); 1281} 1282 1283static void 1284crtc_set_transform (crtc_t *crtc, transform_t *transform) 1285{ 1286 int major, minor; 1287 1288 XRRQueryVersion (dpy, &major, &minor); 1289 if (major > 1 || (major == 1 && minor >= 3)) 1290 XRRSetCrtcTransform (dpy, crtc->crtc.xid, 1291 &transform->transform, 1292 transform->filter, 1293 transform->params, 1294 transform->nparams); 1295} 1296 1297static Status 1298crtc_revert (crtc_t *crtc) 1299{ 1300 XRRCrtcInfo *crtc_info = crtc->crtc_info; 1301 1302 if (verbose) 1303 printf ("crtc %d: revert\n", crtc->crtc.index); 1304 1305 if (dryrun) 1306 return RRSetConfigSuccess; 1307 1308 if (!equal_transform (&crtc->current_transform, &crtc->pending_transform)) 1309 crtc_set_transform (crtc, &crtc->current_transform); 1310 return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, 1311 crtc_info->x, crtc_info->y, 1312 crtc_info->mode, crtc_info->rotation, 1313 crtc_info->outputs, crtc_info->noutput); 1314} 1315 1316static Status 1317crtc_apply (crtc_t *crtc) 1318{ 1319 RROutput *rr_outputs; 1320 int o; 1321 Status s; 1322 RRMode mode = None; 1323 1324 if (!crtc->changing || !crtc->mode_info) 1325 return RRSetConfigSuccess; 1326 1327 rr_outputs = calloc (crtc->noutput, sizeof (RROutput)); 1328 if (!rr_outputs) 1329 return BadAlloc; 1330 for (o = 0; o < crtc->noutput; o++) 1331 rr_outputs[o] = crtc->outputs[o]->output.xid; 1332 mode = crtc->mode_info->id; 1333 if (verbose) { 1334 printf ("crtc %d: %12s %6.1f +%d+%d", crtc->crtc.index, 1335 crtc->mode_info->name, mode_refresh (crtc->mode_info), 1336 crtc->x, crtc->y); 1337 for (o = 0; o < crtc->noutput; o++) 1338 printf (" \"%s\"", crtc->outputs[o]->output.string); 1339 printf ("\n"); 1340 } 1341 1342 if (dryrun) 1343 s = RRSetConfigSuccess; 1344 else 1345 { 1346 if (!equal_transform (&crtc->current_transform, &crtc->pending_transform)) 1347 crtc_set_transform (crtc, &crtc->pending_transform); 1348 s = XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, 1349 crtc->x, crtc->y, mode, crtc->rotation, 1350 rr_outputs, crtc->noutput); 1351 if (s == RRSetConfigSuccess && crtc->panning_info) { 1352 if (has_1_3) 1353 s = XRRSetPanning (dpy, res, crtc->crtc.xid, crtc->panning_info); 1354 else 1355 fatal ("panning needs RandR 1.3\n"); 1356 } 1357 } 1358 free (rr_outputs); 1359 return s; 1360} 1361 1362static void 1363screen_revert (void) 1364{ 1365 if (verbose) 1366 printf ("screen %d: revert\n", screen); 1367 1368 if (dryrun) 1369 return; 1370 XRRSetScreenSize (dpy, root, 1371 DisplayWidth (dpy, screen), 1372 DisplayHeight (dpy, screen), 1373 DisplayWidthMM (dpy, screen), 1374 DisplayHeightMM (dpy, screen)); 1375} 1376 1377static void 1378screen_apply (void) 1379{ 1380 if (fb_width == DisplayWidth (dpy, screen) && 1381 fb_height == DisplayHeight (dpy, screen) && 1382 fb_width_mm == DisplayWidthMM (dpy, screen) && 1383 fb_height_mm == DisplayHeightMM (dpy, screen)) 1384 { 1385 return; 1386 } 1387 if (verbose) 1388 printf ("screen %d: %dx%d %dx%d mm %6.2fdpi\n", screen, 1389 fb_width, fb_height, fb_width_mm, fb_height_mm, dpi); 1390 if (dryrun) 1391 return; 1392 XRRSetScreenSize (dpy, root, fb_width, fb_height, 1393 fb_width_mm, fb_height_mm); 1394} 1395 1396static void 1397revert (void) 1398{ 1399 int c; 1400 1401 /* first disable all crtcs */ 1402 for (c = 0; c < res->ncrtc; c++) 1403 crtc_disable (&crtcs[c]); 1404 /* next reset screen size */ 1405 screen_revert (); 1406 /* now restore all crtcs */ 1407 for (c = 0; c < res->ncrtc; c++) 1408 crtc_revert (&crtcs[c]); 1409} 1410 1411/* 1412 * uh-oh, something bad happened in the middle of changing 1413 * the configuration. Revert to the previous configuration 1414 * and bail 1415 */ 1416static void 1417panic (Status s, crtc_t *crtc) 1418{ 1419 int c = crtc->crtc.index; 1420 char *message; 1421 1422 switch (s) { 1423 case RRSetConfigSuccess: message = "succeeded"; break; 1424 case BadAlloc: message = "out of memory"; break; 1425 case RRSetConfigFailed: message = "failed"; break; 1426 case RRSetConfigInvalidConfigTime: message = "invalid config time"; break; 1427 case RRSetConfigInvalidTime: message = "invalid time"; break; 1428 default: message = "unknown failure"; break; 1429 } 1430 1431 fprintf (stderr, "%s: Configure crtc %d %s\n", program_name, c, message); 1432 revert (); 1433 exit (1); 1434} 1435 1436static void 1437apply (void) 1438{ 1439 Status s; 1440 int c; 1441 1442 /* 1443 * Hold the server grabbed while messing with 1444 * the screen so that apps which notice the resize 1445 * event and ask for xinerama information from the server 1446 * receive up-to-date information 1447 */ 1448 if (grab_server) 1449 XGrabServer (dpy); 1450 1451 /* 1452 * Turn off any crtcs which are to be disabled or which are 1453 * larger than the target size 1454 */ 1455 for (c = 0; c < res->ncrtc; c++) 1456 { 1457 crtc_t *crtc = &crtcs[c]; 1458 XRRCrtcInfo *crtc_info = crtc->crtc_info; 1459 1460 /* if this crtc is already disabled, skip it */ 1461 if (crtc_info->mode == None) 1462 continue; 1463 1464 /* 1465 * If this crtc is to be left enabled, make 1466 * sure the old size fits then new screen 1467 */ 1468 if (crtc->mode_info) 1469 { 1470 XRRModeInfo *old_mode = find_mode_by_xid (crtc_info->mode); 1471 int x, y, w, h; 1472 box_t bounds; 1473 1474 if (!old_mode) 1475 panic (RRSetConfigFailed, crtc); 1476 1477 /* old position and size information */ 1478 mode_geometry (old_mode, crtc_info->rotation, 1479 &crtc->current_transform.transform, 1480 &bounds); 1481 1482 x = crtc_info->x + bounds.x1; 1483 y = crtc_info->y + bounds.y1; 1484 w = bounds.x2 - bounds.x1; 1485 h = bounds.y2 - bounds.y1; 1486 1487 /* if it fits, skip it */ 1488 if (x + w <= fb_width && y + h <= fb_height) 1489 continue; 1490 crtc->changing = True; 1491 } 1492 s = crtc_disable (crtc); 1493 if (s != RRSetConfigSuccess) 1494 panic (s, crtc); 1495 } 1496 1497 /* 1498 * Set the screen size 1499 */ 1500 screen_apply (); 1501 1502 /* 1503 * Set crtcs 1504 */ 1505 1506 for (c = 0; c < res->ncrtc; c++) 1507 { 1508 crtc_t *crtc = &crtcs[c]; 1509 1510 s = crtc_apply (crtc); 1511 if (s != RRSetConfigSuccess) 1512 panic (s, crtc); 1513 } 1514 1515 set_primary (); 1516 1517 /* 1518 * Release the server grab and let all clients 1519 * respond to the updated state 1520 */ 1521 if (grab_server) 1522 XUngrabServer (dpy); 1523} 1524 1525/* 1526 * Use current output state to complete the output list 1527 */ 1528static void 1529get_outputs (void) 1530{ 1531 int o; 1532 1533 for (o = 0; o < res->noutput; o++) 1534 { 1535 XRROutputInfo *output_info = XRRGetOutputInfo (dpy, res, res->outputs[o]); 1536 output_t *output; 1537 name_t output_name; 1538 if (!output_info) fatal ("could not get output 0x%x information\n", res->outputs[o]); 1539 set_name_xid (&output_name, res->outputs[o]); 1540 set_name_index (&output_name, o); 1541 set_name_string (&output_name, output_info->name); 1542 output = find_output (&output_name); 1543 if (!output) 1544 { 1545 output = add_output (); 1546 set_name_all (&output->output, &output_name); 1547 /* 1548 * When global --automatic mode is set, turn on connected but off 1549 * outputs, turn off disconnected but on outputs 1550 */ 1551 if (automatic) 1552 { 1553 switch (output_info->connection) { 1554 case RR_Connected: 1555 if (!output_info->crtc) { 1556 output->changes |= changes_automatic; 1557 output->automatic = True; 1558 } 1559 break; 1560 case RR_Disconnected: 1561 if (output_info->crtc) 1562 { 1563 output->changes |= changes_automatic; 1564 output->automatic = True; 1565 } 1566 break; 1567 } 1568 } 1569 } 1570 1571 /* 1572 * Automatic mode -- track connection state and enable/disable outputs 1573 * as necessary 1574 */ 1575 if (output->automatic) 1576 { 1577 switch (output_info->connection) { 1578 case RR_Connected: 1579 case RR_UnknownConnection: 1580 if ((!(output->changes & changes_mode))) 1581 { 1582 set_name_preferred (&output->mode); 1583 output->changes |= changes_mode; 1584 } 1585 break; 1586 case RR_Disconnected: 1587 if ((!(output->changes & changes_mode))) 1588 { 1589 set_name_xid (&output->mode, None); 1590 set_name_xid (&output->crtc, None); 1591 output->changes |= changes_mode; 1592 output->changes |= changes_crtc; 1593 } 1594 break; 1595 } 1596 } 1597 1598 set_output_info (output, res->outputs[o], output_info); 1599 } 1600} 1601 1602static void 1603mark_changing_crtcs (void) 1604{ 1605 int c; 1606 1607 for (c = 0; c < num_crtcs; c++) 1608 { 1609 crtc_t *crtc = &crtcs[c]; 1610 int o; 1611 output_t *output; 1612 1613 /* walk old output list (to catch disables) */ 1614 for (o = 0; o < crtc->crtc_info->noutput; o++) 1615 { 1616 output = find_output_by_xid (crtc->crtc_info->outputs[o]); 1617 if (!output) fatal ("cannot find output 0x%x\n", 1618 crtc->crtc_info->outputs[o]); 1619 if (output->changes) 1620 crtc->changing = True; 1621 } 1622 /* walk new output list */ 1623 for (o = 0; o < crtc->noutput; o++) 1624 { 1625 output = crtc->outputs[o]; 1626 if (output->changes) 1627 crtc->changing = True; 1628 } 1629 } 1630} 1631 1632/* 1633 * Test whether 'crtc' can be used for 'output' 1634 */ 1635static Bool 1636check_crtc_for_output (crtc_t *crtc, output_t *output) 1637{ 1638 int c; 1639 int l; 1640 output_t *other; 1641 1642 for (c = 0; c < output->output_info->ncrtc; c++) 1643 if (output->output_info->crtcs[c] == crtc->crtc.xid) 1644 break; 1645 if (c == output->output_info->ncrtc) 1646 return False; 1647 for (other = outputs; other; other = other->next) 1648 { 1649 if (other == output) 1650 continue; 1651 1652 if (other->mode_info == NULL) 1653 continue; 1654 1655 if (other->crtc_info != crtc) 1656 continue; 1657 1658 /* see if the output connected to the crtc can clone to this output */ 1659 for (l = 0; l < output->output_info->nclone; l++) 1660 if (output->output_info->clones[l] == other->output.xid) 1661 break; 1662 /* not on the list, can't clone */ 1663 if (l == output->output_info->nclone) 1664 return False; 1665 } 1666 1667 if (crtc->noutput) 1668 { 1669 /* make sure the state matches */ 1670 if (crtc->mode_info != output->mode_info) 1671 return False; 1672 if (crtc->x != output->x) 1673 return False; 1674 if (crtc->y != output->y) 1675 return False; 1676 if (crtc->rotation != output->rotation) 1677 return False; 1678 if (!equal_transform (&crtc->current_transform, &output->transform)) 1679 return False; 1680 } 1681 else if (crtc->crtc_info->noutput) 1682 { 1683 /* make sure the state matches the already used state */ 1684 XRRModeInfo *mode = find_mode_by_xid (crtc->crtc_info->mode); 1685 1686 if (mode != output->mode_info) 1687 return False; 1688 if (crtc->crtc_info->x != output->x) 1689 return False; 1690 if (crtc->crtc_info->y != output->y) 1691 return False; 1692 if (crtc->crtc_info->rotation != output->rotation) 1693 return False; 1694 } 1695 return True; 1696} 1697 1698static crtc_t * 1699find_crtc_for_output (output_t *output) 1700{ 1701 int c; 1702 1703 for (c = 0; c < output->output_info->ncrtc; c++) 1704 { 1705 crtc_t *crtc; 1706 1707 crtc = find_crtc_by_xid (output->output_info->crtcs[c]); 1708 if (!crtc) fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]); 1709 1710 if (check_crtc_for_output (crtc, output)) 1711 return crtc; 1712 } 1713 return NULL; 1714} 1715 1716static void 1717set_positions (void) 1718{ 1719 output_t *output; 1720 Bool keep_going; 1721 Bool any_set; 1722 int min_x, min_y; 1723 1724 for (;;) 1725 { 1726 any_set = False; 1727 keep_going = False; 1728 for (output = outputs; output; output = output->next) 1729 { 1730 output_t *relation; 1731 name_t relation_name; 1732 1733 if (!(output->changes & changes_relation)) continue; 1734 1735 if (output->mode_info == NULL) continue; 1736 1737 init_name (&relation_name); 1738 set_name_string (&relation_name, output->relative_to); 1739 relation = find_output (&relation_name); 1740 if (!relation) fatal ("cannot find output \"%s\"\n", output->relative_to); 1741 1742 if (relation->mode_info == NULL) 1743 { 1744 output->x = 0; 1745 output->y = 0; 1746 output->changes |= changes_position; 1747 any_set = True; 1748 continue; 1749 } 1750 /* 1751 * Make sure the dependent object has been set in place 1752 */ 1753 if ((relation->changes & changes_relation) && 1754 !(relation->changes & changes_position)) 1755 { 1756 keep_going = True; 1757 continue; 1758 } 1759 1760 switch (output->relation) { 1761 case left_of: 1762 output->y = relation->y; 1763 output->x = relation->x - mode_width (output->mode_info, output->rotation); 1764 break; 1765 case right_of: 1766 output->y = relation->y; 1767 output->x = relation->x + mode_width (relation->mode_info, relation->rotation); 1768 break; 1769 case above: 1770 output->x = relation->x; 1771 output->y = relation->y - mode_height (output->mode_info, output->rotation); 1772 break; 1773 case below: 1774 output->x = relation->x; 1775 output->y = relation->y + mode_height (relation->mode_info, relation->rotation); 1776 break; 1777 case same_as: 1778 output->x = relation->x; 1779 output->y = relation->y; 1780 } 1781 output->changes |= changes_position; 1782 any_set = True; 1783 } 1784 if (!keep_going) 1785 break; 1786 if (!any_set) 1787 fatal ("loop in relative position specifications\n"); 1788 } 1789 1790 /* 1791 * Now normalize positions so the upper left corner of all outputs is at 0,0 1792 */ 1793 min_x = 32768; 1794 min_y = 32768; 1795 for (output = outputs; output; output = output->next) 1796 { 1797 if (output->mode_info == NULL) continue; 1798 1799 if (output->x < min_x) min_x = output->x; 1800 if (output->y < min_y) min_y = output->y; 1801 } 1802 if (min_x || min_y) 1803 { 1804 /* move all outputs */ 1805 for (output = outputs; output; output = output->next) 1806 { 1807 if (output->mode_info == NULL) continue; 1808 1809 output->x -= min_x; 1810 output->y -= min_y; 1811 output->changes |= changes_position; 1812 } 1813 } 1814} 1815 1816static void 1817set_screen_size (void) 1818{ 1819 output_t *output; 1820 Bool fb_specified = fb_width != 0 && fb_height != 0; 1821 1822 for (output = outputs; output; output = output->next) 1823 { 1824 XRRModeInfo *mode_info = output->mode_info; 1825 int x, y, w, h; 1826 box_t bounds; 1827 1828 if (!mode_info) continue; 1829 1830 mode_geometry (mode_info, output->rotation, 1831 &output->transform.transform, 1832 &bounds); 1833 x = output->x + bounds.x1; 1834 y = output->y + bounds.y1; 1835 w = bounds.x2 - bounds.x1; 1836 h = bounds.y2 - bounds.y1; 1837 /* make sure output fits in specified size */ 1838 if (fb_specified) 1839 { 1840 if (x + w > fb_width || y + h > fb_height) 1841 warning ("specified screen %dx%d not large enough for output %s (%dx%d+%d+%d)\n", 1842 fb_width, fb_height, output->output.string, w, h, x, y); 1843 } 1844 /* fit fb to output */ 1845 else 1846 { 1847 XRRPanning *pan; 1848 if (x + w > fb_width) 1849 fb_width = x + w; 1850 if (y + h > fb_height) 1851 fb_height = y + h; 1852 if (output->changes & changes_panning) 1853 pan = &output->panning; 1854 else 1855 pan = output->crtc_info ? output->crtc_info->panning_info : NULL; 1856 if (pan && pan->left + pan->width > fb_width) 1857 fb_width = pan->left + pan->width; 1858 if (pan && pan->top + pan->height > fb_height) 1859 fb_height = pan->top + pan->height; 1860 } 1861 } 1862 1863 if (fb_width > maxWidth || fb_height > maxHeight) 1864 fatal ("screen cannot be larger than %dx%d (desired size %dx%d)\n", 1865 maxWidth, maxHeight, fb_width, fb_height); 1866 if (fb_specified) 1867 { 1868 if (fb_width < minWidth || fb_height < minHeight) 1869 fatal ("screen must be at least %dx%d\n", minWidth, minHeight); 1870 } 1871 else 1872 { 1873 if (fb_width < minWidth) fb_width = minWidth; 1874 if (fb_height < minHeight) fb_height = minHeight; 1875 } 1876} 1877 1878#endif 1879 1880static void 1881disable_outputs (output_t *outputs) 1882{ 1883 while (outputs) 1884 { 1885 outputs->crtc_info = NULL; 1886 outputs = outputs->next; 1887 } 1888} 1889 1890/* 1891 * find the best mapping from output to crtc available 1892 */ 1893static int 1894pick_crtcs_score (output_t *outputs) 1895{ 1896 output_t *output; 1897 int best_score; 1898 int my_score; 1899 int score; 1900 crtc_t *best_crtc; 1901 int c; 1902 1903 if (!outputs) 1904 return 0; 1905 1906 output = outputs; 1907 outputs = outputs->next; 1908 /* 1909 * Score with this output disabled 1910 */ 1911 output->crtc_info = NULL; 1912 best_score = pick_crtcs_score (outputs); 1913 if (output->mode_info == NULL) 1914 return best_score; 1915 1916 best_crtc = NULL; 1917 /* 1918 * Now score with this output any valid crtc 1919 */ 1920 for (c = 0; c < output->output_info->ncrtc; c++) 1921 { 1922 crtc_t *crtc; 1923 1924 crtc = find_crtc_by_xid (output->output_info->crtcs[c]); 1925 if (!crtc) 1926 fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]); 1927 1928 /* reset crtc allocation for following outputs */ 1929 disable_outputs (outputs); 1930 if (!check_crtc_for_output (crtc, output)) 1931 continue; 1932 1933 my_score = 1000; 1934 /* slight preference for existing connections */ 1935 if (crtc == output->current_crtc_info) 1936 my_score++; 1937 1938 output->crtc_info = crtc; 1939 score = my_score + pick_crtcs_score (outputs); 1940 if (score > best_score) 1941 { 1942 best_crtc = crtc; 1943 best_score = score; 1944 } 1945 } 1946 if (output->crtc_info != best_crtc) 1947 output->crtc_info = best_crtc; 1948 /* 1949 * Reset other outputs based on this one using the best crtc 1950 */ 1951 (void) pick_crtcs_score (outputs); 1952 1953 return best_score; 1954} 1955 1956/* 1957 * Pick crtcs for any changing outputs that don't have one 1958 */ 1959static void 1960pick_crtcs (void) 1961{ 1962 output_t *output; 1963 1964 /* 1965 * First try to match up newly enabled outputs with spare crtcs 1966 */ 1967 for (output = outputs; output; output = output->next) 1968 { 1969 if (output->changes && output->mode_info) 1970 { 1971 if (output->crtc_info) { 1972 if (output->crtc_info->crtc_info->noutput > 0 && 1973 (output->crtc_info->crtc_info->noutput > 1 || 1974 output != find_output_by_xid (output->crtc_info->crtc_info->outputs[0]))) 1975 break; 1976 } else { 1977 output->crtc_info = find_crtc_for_output (output); 1978 if (!output->crtc_info) 1979 break; 1980 } 1981 } 1982 } 1983 /* 1984 * Everyone is happy 1985 */ 1986 if (!output) 1987 return; 1988 /* 1989 * When the simple way fails, see if there is a way 1990 * to swap crtcs around and make things work 1991 */ 1992 for (output = outputs; output; output = output->next) 1993 output->current_crtc_info = output->crtc_info; 1994 pick_crtcs_score (outputs); 1995 for (output = outputs; output; output = output->next) 1996 { 1997 if (output->mode_info && !output->crtc_info) 1998 fatal ("cannot find crtc for output %s\n", output->output.string); 1999 if (!output->changes && output->crtc_info != output->current_crtc_info) 2000 output->changes |= changes_crtc; 2001 } 2002} 2003 2004int 2005main (int argc, char **argv) 2006{ 2007 XRRScreenSize *sizes; 2008 XRRScreenConfiguration *sc; 2009 int nsize; 2010 int nrate; 2011 short *rates; 2012 Status status = RRSetConfigFailed; 2013 int rot = -1; 2014 int query = 0; 2015 Rotation rotation, current_rotation, rotations; 2016 XEvent event; 2017 XRRScreenChangeNotifyEvent *sce; 2018 char *display_name = NULL; 2019 int i, j; 2020 SizeID current_size; 2021 short current_rate; 2022 float rate = -1; 2023 int size = -1; 2024 int dirind = 0; 2025 Bool setit = False; 2026 Bool version = False; 2027 int event_base, error_base; 2028 int reflection = 0; 2029 int width = 0, height = 0; 2030 Bool have_pixel_size = False; 2031 int ret = 0; 2032#if HAS_RANDR_1_2 2033 output_t *output = NULL; 2034 policy_t policy = clone; 2035 Bool setit_1_2 = False; 2036 Bool query_1_2 = False; 2037 Bool modeit = False; 2038 Bool propit = False; 2039 Bool query_1 = False; 2040 int major, minor; 2041 Bool current = False; 2042#endif 2043 2044 program_name = argv[0]; 2045 if (argc == 1) query = True; 2046 for (i = 1; i < argc; i++) { 2047 if (!strcmp ("-display", argv[i]) || !strcmp ("-d", argv[i])) { 2048 if (++i>=argc) usage (); 2049 display_name = argv[i]; 2050 continue; 2051 } 2052 if (!strcmp("-help", argv[i])) { 2053 usage(); 2054 continue; 2055 } 2056 if (!strcmp ("--verbose", argv[i])) { 2057 verbose = True; 2058 continue; 2059 } 2060 if (!strcmp ("--dryrun", argv[i])) { 2061 dryrun = True; 2062 verbose = True; 2063 continue; 2064 } 2065 if (!strcmp ("--nograb", argv[i])) { 2066 grab_server = False; 2067 continue; 2068 } 2069 if (!strcmp("--current", argv[i])) { 2070 current = True; 2071 /* if --current was the only arg, then query */ 2072 if (argc == 2) query = True; 2073 continue; 2074 } 2075 2076 if (!strcmp ("-s", argv[i]) || !strcmp ("--size", argv[i])) { 2077 if (++i>=argc) usage (); 2078 if (sscanf (argv[i], "%dx%d", &width, &height) == 2) 2079 have_pixel_size = True; 2080 else { 2081 size = atoi (argv[i]); 2082 if (size < 0) usage(); 2083 } 2084 setit = True; 2085 continue; 2086 } 2087 2088 if (!strcmp ("-r", argv[i]) || 2089 !strcmp ("--rate", argv[i]) || 2090 !strcmp ("--refresh", argv[i])) 2091 { 2092 if (++i>=argc) usage (); 2093 if (sscanf (argv[i], "%f", &rate) != 1) 2094 usage (); 2095 setit = True; 2096#if HAS_RANDR_1_2 2097 if (output) 2098 { 2099 output->refresh = rate; 2100 output->changes |= changes_refresh; 2101 setit_1_2 = True; 2102 } 2103#endif 2104 continue; 2105 } 2106 2107 if (!strcmp ("-v", argv[i]) || !strcmp ("--version", argv[i])) { 2108 version = True; 2109 continue; 2110 } 2111 2112 if (!strcmp ("-x", argv[i])) { 2113 reflection |= RR_Reflect_X; 2114 setit = True; 2115 continue; 2116 } 2117 if (!strcmp ("-y", argv[i])) { 2118 reflection |= RR_Reflect_Y; 2119 setit = True; 2120 continue; 2121 } 2122 if (!strcmp ("--screen", argv[i])) { 2123 if (++i>=argc) usage (); 2124 screen = atoi (argv[i]); 2125 if (screen < 0) usage(); 2126 continue; 2127 } 2128 if (!strcmp ("-q", argv[i]) || !strcmp ("--query", argv[i])) { 2129 query = True; 2130 continue; 2131 } 2132 if (!strcmp ("-o", argv[i]) || !strcmp ("--orientation", argv[i])) { 2133 char *endptr; 2134 if (++i>=argc) usage (); 2135 dirind = strtol(argv[i], &endptr, 0); 2136 if (*endptr != '\0') { 2137 for (dirind = 0; dirind < 4; dirind++) { 2138 if (strcmp (direction[dirind], argv[i]) == 0) break; 2139 } 2140 if ((dirind < 0) || (dirind > 3)) usage(); 2141 } 2142 rot = dirind; 2143 setit = True; 2144 continue; 2145 } 2146#if HAS_RANDR_1_2 2147 if (!strcmp ("--prop", argv[i]) || 2148 !strcmp ("--props", argv[i]) || 2149 !strcmp ("--madprops", argv[i]) || 2150 !strcmp ("--properties", argv[i])) 2151 { 2152 query_1_2 = True; 2153 properties = True; 2154 continue; 2155 } 2156 if (!strcmp ("--output", argv[i])) { 2157 if (++i >= argc) usage(); 2158 2159 output = find_output_by_name (argv[i]); 2160 if (!output) { 2161 output = add_output (); 2162 set_name (&output->output, argv[i], name_string|name_xid); 2163 } 2164 2165 setit_1_2 = True; 2166 continue; 2167 } 2168 if (!strcmp ("--crtc", argv[i])) { 2169 if (++i >= argc) usage(); 2170 if (!output) usage(); 2171 set_name (&output->crtc, argv[i], name_xid|name_index); 2172 output->changes |= changes_crtc; 2173 continue; 2174 } 2175 if (!strcmp ("--mode", argv[i])) { 2176 if (++i >= argc) usage(); 2177 if (!output) usage(); 2178 set_name (&output->mode, argv[i], name_string|name_xid); 2179 output->changes |= changes_mode; 2180 continue; 2181 } 2182 if (!strcmp ("--preferred", argv[i])) { 2183 if (!output) usage(); 2184 set_name_preferred (&output->mode); 2185 output->changes |= changes_mode; 2186 continue; 2187 } 2188 if (!strcmp ("--pos", argv[i])) { 2189 if (++i>=argc) usage (); 2190 if (!output) usage(); 2191 if (sscanf (argv[i], "%dx%d", 2192 &output->x, &output->y) != 2) 2193 usage (); 2194 output->changes |= changes_position; 2195 continue; 2196 } 2197 if (!strcmp ("--rotation", argv[i]) || !strcmp ("--rotate", argv[i])) { 2198 if (++i>=argc) usage (); 2199 if (!output) usage(); 2200 for (dirind = 0; dirind < 4; dirind++) { 2201 if (strcmp (direction[dirind], argv[i]) == 0) break; 2202 } 2203 if (dirind == 4) 2204 usage (); 2205 output->rotation &= ~0xf; 2206 output->rotation |= 1 << dirind; 2207 output->changes |= changes_rotation; 2208 continue; 2209 } 2210 if (!strcmp ("--reflect", argv[i]) || !strcmp ("--reflection", argv[i])) { 2211 if (++i>=argc) usage (); 2212 if (!output) usage(); 2213 for (dirind = 0; dirind < 4; dirind++) { 2214 if (strcmp (reflections[dirind], argv[i]) == 0) break; 2215 } 2216 if (dirind == 4) 2217 usage (); 2218 output->rotation &= ~(RR_Reflect_X|RR_Reflect_Y); 2219 output->rotation |= dirind * RR_Reflect_X; 2220 output->changes |= changes_reflection; 2221 continue; 2222 } 2223 if (!strcmp ("--left-of", argv[i])) { 2224 if (++i>=argc) usage (); 2225 if (!output) usage(); 2226 output->relation = left_of; 2227 output->relative_to = argv[i]; 2228 output->changes |= changes_relation; 2229 continue; 2230 } 2231 if (!strcmp ("--right-of", argv[i])) { 2232 if (++i>=argc) usage (); 2233 if (!output) usage(); 2234 output->relation = right_of; 2235 output->relative_to = argv[i]; 2236 output->changes |= changes_relation; 2237 continue; 2238 } 2239 if (!strcmp ("--above", argv[i])) { 2240 if (++i>=argc) usage (); 2241 if (!output) usage(); 2242 output->relation = above; 2243 output->relative_to = argv[i]; 2244 output->changes |= changes_relation; 2245 continue; 2246 } 2247 if (!strcmp ("--below", argv[i])) { 2248 if (++i>=argc) usage (); 2249 if (!output) usage(); 2250 output->relation = below; 2251 output->relative_to = argv[i]; 2252 output->changes |= changes_relation; 2253 continue; 2254 } 2255 if (!strcmp ("--same-as", argv[i])) { 2256 if (++i>=argc) usage (); 2257 if (!output) usage(); 2258 output->relation = same_as; 2259 output->relative_to = argv[i]; 2260 output->changes |= changes_relation; 2261 continue; 2262 } 2263 if (!strcmp ("--panning", argv[i])) { 2264 XRRPanning *pan; 2265 if (++i>=argc) usage (); 2266 if (!output) usage(); 2267 pan = &output->panning; 2268 switch (sscanf (argv[i], "%dx%d+%d+%d/%dx%d+%d+%d/%d/%d/%d/%d", 2269 &pan->width, &pan->height, &pan->left, &pan->top, 2270 &pan->track_width, &pan->track_height, 2271 &pan->track_left, &pan->track_top, 2272 &pan->border_left, &pan->border_top, 2273 &pan->border_right, &pan->border_bottom)) { 2274 case 2: 2275 pan->left = pan->top = 0; 2276 /* fall through */ 2277 case 4: 2278 pan->track_left = pan->track_top = 2279 pan->track_width = pan->track_height = 0; 2280 /* fall through */ 2281 case 8: 2282 pan->border_left = pan->border_top = 2283 pan->border_right = pan->border_bottom = 0; 2284 /* fall through */ 2285 case 12: 2286 break; 2287 default: 2288 usage (); 2289 } 2290 output->changes |= changes_panning; 2291 continue; 2292 } 2293 if (!strcmp ("--gamma", argv[i])) { 2294 if (!output) usage(); 2295 if (++i>=argc) usage (); 2296 if (sscanf(argv[i], "%f:%f:%f", &output->gamma.red, 2297 &output->gamma.green, &output->gamma.blue) != 3) 2298 usage (); 2299 output->changes |= changes_gamma; 2300 setit_1_2 = True; 2301 continue; 2302 } 2303 if (!strcmp ("--primary", argv[i])) { 2304 if (!output) usage(); 2305 output->changes |= changes_primary; 2306 output->primary = True; 2307 setit_1_2 = True; 2308 continue; 2309 } 2310 if (!strcmp ("--noprimary", argv[i])) { 2311 no_primary = True; 2312 setit_1_2 = True; 2313 continue; 2314 } 2315 if (!strcmp ("--set", argv[i])) { 2316 output_prop_t *prop; 2317 if (!output) usage(); 2318 prop = malloc (sizeof (output_prop_t)); 2319 prop->next = output->props; 2320 output->props = prop; 2321 if (++i>=argc) usage (); 2322 prop->name = argv[i]; 2323 if (++i>=argc) usage (); 2324 prop->value = argv[i]; 2325 propit = True; 2326 output->changes |= changes_property; 2327 setit_1_2 = True; 2328 continue; 2329 } 2330 if (!strcmp ("--scale", argv[i])) 2331 { 2332 double sx, sy; 2333 if (++i>=argc) usage(); 2334 if (sscanf (argv[i], "%lfx%lf", &sx, &sy) != 2) 2335 usage (); 2336 init_transform (&output->transform); 2337 output->transform.transform.matrix[0][0] = XDoubleToFixed (sx); 2338 output->transform.transform.matrix[1][1] = XDoubleToFixed (sy); 2339 output->transform.transform.matrix[2][2] = XDoubleToFixed (1.0); 2340 if (sx != 1 || sy != 1) 2341 output->transform.filter = "bilinear"; 2342 else 2343 output->transform.filter = "nearest"; 2344 output->transform.nparams = 0; 2345 output->transform.params = NULL; 2346 output->changes |= changes_transform; 2347 continue; 2348 } 2349 if (!strcmp ("--transform", argv[i])) { 2350 double transform[3][3]; 2351 int k, l; 2352 if (++i>=argc) usage (); 2353 init_transform (&output->transform); 2354 if (strcmp (argv[i], "none") != 0) 2355 { 2356 if (sscanf(argv[i], "%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf", 2357 &transform[0][0],&transform[0][1],&transform[0][2], 2358 &transform[1][0],&transform[1][1],&transform[1][2], 2359 &transform[2][0],&transform[2][1],&transform[2][2]) 2360 != 9) 2361 usage (); 2362 init_transform (&output->transform); 2363 for (k = 0; k < 3; k++) 2364 for (l = 0; l < 3; l++) { 2365 output->transform.transform.matrix[k][l] = XDoubleToFixed (transform[k][l]); 2366 } 2367 output->transform.filter = "bilinear"; 2368 output->transform.nparams = 0; 2369 output->transform.params = NULL; 2370 } 2371 output->changes |= changes_transform; 2372 continue; 2373 } 2374 if (!strcmp ("--off", argv[i])) { 2375 if (!output) usage(); 2376 set_name_xid (&output->mode, None); 2377 set_name_xid (&output->crtc, None); 2378 output->changes |= changes_mode; 2379 continue; 2380 } 2381 if (!strcmp ("--fb", argv[i])) { 2382 if (++i>=argc) usage (); 2383 if (sscanf (argv[i], "%dx%d", 2384 &fb_width, &fb_height) != 2) 2385 usage (); 2386 setit_1_2 = True; 2387 continue; 2388 } 2389 if (!strcmp ("--fbmm", argv[i])) { 2390 if (++i>=argc) usage (); 2391 if (sscanf (argv[i], "%dx%d", 2392 &fb_width_mm, &fb_height_mm) != 2) 2393 usage (); 2394 setit_1_2 = True; 2395 continue; 2396 } 2397 if (!strcmp ("--dpi", argv[i])) { 2398 if (++i>=argc) usage (); 2399 if (sscanf (argv[i], "%f", &dpi) != 1) 2400 { 2401 dpi = 0.0; 2402 dpi_output = argv[i]; 2403 } 2404 setit_1_2 = True; 2405 continue; 2406 } 2407 if (!strcmp ("--clone", argv[i])) { 2408 policy = clone; 2409 setit_1_2 = True; 2410 continue; 2411 } 2412 if (!strcmp ("--extend", argv[i])) { 2413 policy = extend; 2414 setit_1_2 = True; 2415 continue; 2416 } 2417 if (!strcmp ("--auto", argv[i])) { 2418 if (output) 2419 { 2420 output->automatic = True; 2421 output->changes |= changes_automatic; 2422 } 2423 else 2424 automatic = True; 2425 setit_1_2 = True; 2426 continue; 2427 } 2428 if (!strcmp ("--q12", argv[i])) 2429 { 2430 query_1_2 = True; 2431 continue; 2432 } 2433 if (!strcmp ("--q1", argv[i])) 2434 { 2435 query_1 = True; 2436 continue; 2437 } 2438 if (!strcmp ("--newmode", argv[i])) 2439 { 2440 umode_t *m = malloc (sizeof (umode_t)); 2441 float clock; 2442 2443 ++i; 2444 if (i + 9 >= argc) usage (); 2445 m->mode.name = argv[i]; 2446 m->mode.nameLength = strlen (argv[i]); 2447 i++; 2448 if (sscanf (argv[i++], "%f", &clock) != 1) 2449 usage (); 2450 m->mode.dotClock = clock * 1e6; 2451 2452 if (sscanf (argv[i++], "%d", &m->mode.width) != 1) usage(); 2453 if (sscanf (argv[i++], "%d", &m->mode.hSyncStart) != 1) usage(); 2454 if (sscanf (argv[i++], "%d", &m->mode.hSyncEnd) != 1) usage(); 2455 if (sscanf (argv[i++], "%d", &m->mode.hTotal) != 1) usage(); 2456 if (sscanf (argv[i++], "%d", &m->mode.height) != 1) usage(); 2457 if (sscanf (argv[i++], "%d", &m->mode.vSyncStart) != 1) usage(); 2458 if (sscanf (argv[i++], "%d", &m->mode.vSyncEnd) != 1) usage(); 2459 if (sscanf (argv[i++], "%d", &m->mode.vTotal) != 1) usage(); 2460 m->mode.modeFlags = 0; 2461 while (i < argc) { 2462 int f; 2463 2464 for (f = 0; mode_flags[f].string; f++) 2465 if (!strcasecmp (mode_flags[f].string, argv[i])) 2466 break; 2467 2468 if (!mode_flags[f].string) 2469 break; 2470 m->mode.modeFlags |= mode_flags[f].flag; 2471 i++; 2472 } 2473 m->next = umodes; 2474 m->action = umode_create; 2475 umodes = m; 2476 modeit = True; 2477 continue; 2478 } 2479 if (!strcmp ("--rmmode", argv[i])) 2480 { 2481 umode_t *m = malloc (sizeof (umode_t)); 2482 2483 if (++i>=argc) usage (); 2484 set_name (&m->name, argv[i], name_string|name_xid); 2485 m->action = umode_destroy; 2486 m->next = umodes; 2487 umodes = m; 2488 modeit = True; 2489 continue; 2490 } 2491 if (!strcmp ("--addmode", argv[i])) 2492 { 2493 umode_t *m = malloc (sizeof (umode_t)); 2494 2495 if (++i>=argc) usage (); 2496 set_name (&m->output, argv[i], name_string|name_xid); 2497 if (++i>=argc) usage(); 2498 set_name (&m->name, argv[i], name_string|name_xid); 2499 m->action = umode_add; 2500 m->next = umodes; 2501 umodes = m; 2502 modeit = True; 2503 continue; 2504 } 2505 if (!strcmp ("--delmode", argv[i])) 2506 { 2507 umode_t *m = malloc (sizeof (umode_t)); 2508 2509 if (++i>=argc) usage (); 2510 set_name (&m->output, argv[i], name_string|name_xid); 2511 if (++i>=argc) usage(); 2512 set_name (&m->name, argv[i], name_string|name_xid); 2513 m->action = umode_delete; 2514 m->next = umodes; 2515 umodes = m; 2516 modeit = True; 2517 continue; 2518 } 2519#endif 2520 usage(); 2521 } 2522 if (verbose) 2523 { 2524 query = True; 2525 if (setit && !setit_1_2) 2526 query_1 = True; 2527 } 2528 if (version) 2529 printf("xrandr program version " VERSION "\n"); 2530 2531 dpy = XOpenDisplay (display_name); 2532 2533 if (dpy == NULL) { 2534 fprintf (stderr, "Can't open display %s\n", XDisplayName(display_name)); 2535 exit (1); 2536 } 2537 if (screen < 0) 2538 screen = DefaultScreen (dpy); 2539 if (screen >= ScreenCount (dpy)) { 2540 fprintf (stderr, "Invalid screen number %d (display has %d)\n", 2541 screen, ScreenCount (dpy)); 2542 exit (1); 2543 } 2544 2545 root = RootWindow (dpy, screen); 2546 2547#if HAS_RANDR_1_2 2548 if (!XRRQueryVersion (dpy, &major, &minor)) 2549 { 2550 fprintf (stderr, "RandR extension missing\n"); 2551 exit (1); 2552 } 2553 if (major > 1 || (major == 1 && minor >= 2)) 2554 has_1_2 = True; 2555 if (major > 1 || (major == 1 && minor >= 3)) 2556 has_1_3 = True; 2557 2558 if (has_1_2 && modeit) 2559 { 2560 umode_t *m; 2561 2562 get_screen (current); 2563 get_crtcs(); 2564 get_outputs(); 2565 2566 for (m = umodes; m; m = m->next) 2567 { 2568 XRRModeInfo *e; 2569 output_t *o; 2570 2571 switch (m->action) { 2572 case umode_create: 2573 XRRCreateMode (dpy, root, &m->mode); 2574 break; 2575 case umode_destroy: 2576 e = find_mode (&m->name, 0); 2577 if (!e) 2578 fatal ("cannot find mode \"%s\"\n", m->name.string); 2579 XRRDestroyMode (dpy, e->id); 2580 break; 2581 case umode_add: 2582 o = find_output (&m->output); 2583 if (!o) 2584 fatal ("cannot find output \"%s\"\n", m->output.string); 2585 e = find_mode (&m->name, 0); 2586 if (!e) 2587 fatal ("cannot find mode \"%s\"\n", m->name.string); 2588 XRRAddOutputMode (dpy, o->output.xid, e->id); 2589 break; 2590 case umode_delete: 2591 o = find_output (&m->output); 2592 if (!o) 2593 fatal ("cannot find output \"%s\"\n", m->output.string); 2594 e = find_mode (&m->name, 0); 2595 if (!e) 2596 fatal ("cannot find mode \"%s\"\n", m->name.string); 2597 XRRDeleteOutputMode (dpy, o->output.xid, e->id); 2598 break; 2599 } 2600 } 2601 if (!setit_1_2) 2602 { 2603 XSync (dpy, False); 2604 exit (0); 2605 } 2606 } 2607 if (has_1_2 && propit) 2608 { 2609 2610 get_screen (current); 2611 get_crtcs(); 2612 get_outputs(); 2613 2614 for (output = outputs; output; output = output->next) 2615 { 2616 output_prop_t *prop; 2617 2618 for (prop = output->props; prop; prop = prop->next) 2619 { 2620 Atom name = XInternAtom (dpy, prop->name, False); 2621 Atom type; 2622 int format; 2623 unsigned char *data; 2624 int nelements; 2625 int int_value; 2626 unsigned long ulong_value; 2627 unsigned char *prop_data; 2628 int actual_format; 2629 unsigned long nitems, bytes_after; 2630 Atom actual_type; 2631 XRRPropertyInfo *propinfo; 2632 2633 type = AnyPropertyType; 2634 format=0; 2635 2636 if (XRRGetOutputProperty (dpy, output->output.xid, name, 2637 0, 100, False, False, 2638 AnyPropertyType, 2639 &actual_type, &actual_format, 2640 &nitems, &bytes_after, &prop_data) == Success && 2641 2642 (propinfo = XRRQueryOutputProperty(dpy, output->output.xid, 2643 name))) 2644 { 2645 type = actual_type; 2646 format = actual_format; 2647 } 2648 2649 if ((type == XA_INTEGER || type == AnyPropertyType) && 2650 (sscanf (prop->value, "%d", &int_value) == 1 || 2651 sscanf (prop->value, "0x%x", &int_value) == 1)) 2652 { 2653 type = XA_INTEGER; 2654 ulong_value = int_value; 2655 data = (unsigned char *) &ulong_value; 2656 nelements = 1; 2657 format = 32; 2658 } 2659 else if ((type == XA_ATOM)) 2660 { 2661 ulong_value = XInternAtom (dpy, prop->value, False); 2662 data = (unsigned char *) &ulong_value; 2663 nelements = 1; 2664 format = 32; 2665 } 2666 else if ((type == XA_STRING || type == AnyPropertyType)) 2667 { 2668 type = XA_STRING; 2669 data = (unsigned char *) prop->value; 2670 nelements = strlen (prop->value); 2671 format = 8; 2672 } 2673 else 2674 continue; 2675 XRRChangeOutputProperty (dpy, output->output.xid, 2676 name, type, format, PropModeReplace, 2677 data, nelements); 2678 } 2679 } 2680 if (!setit_1_2) 2681 { 2682 XSync (dpy, False); 2683 exit (0); 2684 } 2685 } 2686 if (setit_1_2) 2687 { 2688 get_screen (current); 2689 get_crtcs (); 2690 get_outputs (); 2691 set_positions (); 2692 set_screen_size (); 2693 2694 pick_crtcs (); 2695 2696 /* 2697 * Assign outputs to crtcs 2698 */ 2699 set_crtcs (); 2700 2701 /* 2702 * Mark changing crtcs 2703 */ 2704 mark_changing_crtcs (); 2705 2706 /* 2707 * If an output was specified to track dpi, use it 2708 */ 2709 if (dpi_output) 2710 { 2711 output_t *output = find_output_by_name (dpi_output); 2712 XRROutputInfo *output_info; 2713 XRRModeInfo *mode_info; 2714 if (!output) 2715 fatal ("Cannot find output %s\n", dpi_output); 2716 output_info = output->output_info; 2717 mode_info = output->mode_info; 2718 if (output_info && mode_info && output_info->mm_height) 2719 { 2720 /* 2721 * When this output covers the whole screen, just use 2722 * the known physical size 2723 */ 2724 if (fb_width == mode_info->width && 2725 fb_height == mode_info->height) 2726 { 2727 fb_width_mm = output_info->mm_width; 2728 fb_height_mm = output_info->mm_height; 2729 } 2730 else 2731 { 2732 dpi = (25.4 * mode_info->height) / output_info->mm_height; 2733 } 2734 } 2735 } 2736 2737 /* 2738 * Compute physical screen size 2739 */ 2740 if (fb_width_mm == 0 || fb_height_mm == 0) 2741 { 2742 if (fb_width != DisplayWidth (dpy, screen) || 2743 fb_height != DisplayHeight (dpy, screen) || dpi != 0.0) 2744 { 2745 if (dpi <= 0) 2746 dpi = (25.4 * DisplayHeight (dpy, screen)) / DisplayHeightMM(dpy, screen); 2747 2748 fb_width_mm = (25.4 * fb_width) / dpi; 2749 fb_height_mm = (25.4 * fb_height) / dpi; 2750 } 2751 else 2752 { 2753 fb_width_mm = DisplayWidthMM (dpy, screen); 2754 fb_height_mm = DisplayHeightMM (dpy, screen); 2755 } 2756 } 2757 2758 /* 2759 * Set panning 2760 */ 2761 set_panning (); 2762 2763 /* 2764 * Set gamma on crtc's that belong to the outputs. 2765 */ 2766 set_gamma (); 2767 2768 /* 2769 * Now apply all of the changes 2770 */ 2771 apply (); 2772 2773 XSync (dpy, False); 2774 exit (0); 2775 } 2776 if (query_1_2 || (query && has_1_2 && !query_1)) 2777 { 2778 output_t *output; 2779 int m; 2780 2781#define ModeShown 0x80000000 2782 2783 get_screen (current); 2784 get_crtcs (); 2785 get_outputs (); 2786 2787 printf ("Screen %d: minimum %d x %d, current %d x %d, maximum %d x %d\n", 2788 screen, minWidth, minHeight, 2789 DisplayWidth (dpy, screen), DisplayHeight(dpy, screen), 2790 maxWidth, maxHeight); 2791 2792 for (output = outputs; output; output = output->next) 2793 { 2794 XRROutputInfo *output_info = output->output_info; 2795 crtc_t *crtc = output->crtc_info; 2796 XRRCrtcInfo *crtc_info = crtc ? crtc->crtc_info : NULL; 2797 XRRModeInfo *mode = output->mode_info; 2798 Atom *props; 2799 int j, k, nprop; 2800 Bool *mode_shown; 2801 Rotation rotations = output_rotations (output); 2802 2803 printf ("%s %s", output_info->name, connection[output_info->connection]); 2804 if (mode) 2805 { 2806 if (crtc_info) { 2807 printf (" %dx%d+%d+%d", 2808 crtc_info->width, crtc_info->height, 2809 crtc_info->x, crtc_info->y); 2810 } else { 2811 printf (" %dx%d+%d+%d", 2812 mode->width, mode->height, output->x, output->y); 2813 } 2814 if (verbose) 2815 printf (" (0x%x)", (int)mode->id); 2816 if (output->rotation != RR_Rotate_0 || verbose) 2817 { 2818 printf (" %s", 2819 rotation_name (output->rotation)); 2820 if (output->rotation & (RR_Reflect_X|RR_Reflect_Y)) 2821 printf (" %s", reflection_name (output->rotation)); 2822 } 2823 } 2824 if (rotations != RR_Rotate_0 || verbose) 2825 { 2826 Bool first = True; 2827 printf (" ("); 2828 for (i = 0; i < 4; i ++) { 2829 if ((rotations >> i) & 1) { 2830 if (!first) printf (" "); first = False; 2831 printf("%s", direction[i]); 2832 first = False; 2833 } 2834 } 2835 if (rotations & RR_Reflect_X) 2836 { 2837 if (!first) printf (" "); first = False; 2838 printf ("x axis"); 2839 } 2840 if (rotations & RR_Reflect_Y) 2841 { 2842 if (!first) printf (" "); first = False; 2843 printf ("y axis"); 2844 } 2845 printf (")"); 2846 } 2847 2848 if (mode) 2849 { 2850 printf (" %dmm x %dmm", 2851 (int)output_info->mm_width, (int)output_info->mm_height); 2852 } 2853 2854 if (crtc && crtc->panning_info && crtc->panning_info->width > 0) 2855 { 2856 XRRPanning *pan = crtc->panning_info; 2857 printf (" panning %dx%d+%d+%d", 2858 pan->width, pan->height, pan->left, pan->top); 2859 if ((pan->track_width != 0 && 2860 (pan->track_left != pan->left || 2861 pan->track_width != pan->width || 2862 pan->border_left != 0 || 2863 pan->border_right != 0)) || 2864 (pan->track_height != 0 && 2865 (pan->track_top != pan->top || 2866 pan->track_height != pan->height || 2867 pan->border_top != 0 || 2868 pan->border_bottom != 0))) 2869 printf (" tracking %dx%d+%d+%d border %d/%d/%d/%d", 2870 pan->track_width, pan->track_height, 2871 pan->track_left, pan->track_top, 2872 pan->border_left, pan->border_top, 2873 pan->border_right, pan->border_bottom); 2874 } 2875 printf ("\n"); 2876 2877 if (verbose) 2878 { 2879 printf ("\tIdentifier: 0x%x\n", (int)output->output.xid); 2880 printf ("\tTimestamp: %d\n", (int)output_info->timestamp); 2881 printf ("\tSubpixel: %s\n", order[output_info->subpixel_order]); 2882 printf ("\tClones: "); 2883 for (j = 0; j < output_info->nclone; j++) 2884 { 2885 output_t *clone = find_output_by_xid (output_info->clones[j]); 2886 2887 if (clone) printf (" %s", clone->output.string); 2888 } 2889 printf ("\n"); 2890 if (output->crtc_info) 2891 printf ("\tCRTC: %d\n", output->crtc_info->crtc.index); 2892 printf ("\tCRTCs: "); 2893 for (j = 0; j < output_info->ncrtc; j++) 2894 { 2895 crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[j]); 2896 if (crtc) 2897 printf (" %d", crtc->crtc.index); 2898 } 2899 printf ("\n"); 2900 if (output->crtc_info && output->crtc_info->panning_info) { 2901 XRRPanning *pan = output->crtc_info->panning_info; 2902 printf ("\tPanning: %dx%d+%d+%d\n", 2903 pan->width, pan->height, pan->left, pan->top); 2904 printf ("\tTracking: %dx%d+%d+%d\n", 2905 pan->track_width, pan->track_height, 2906 pan->track_left, pan->track_top); 2907 printf ("\tBorder: %d/%d/%d/%d\n", 2908 pan->border_left, pan->border_top, 2909 pan->border_right, pan->border_bottom); 2910 } 2911 } 2912 if (verbose) 2913 { 2914 int x, y; 2915 2916 printf ("\tTransform: "); 2917 for (y = 0; y < 3; y++) 2918 { 2919 for (x = 0; x < 3; x++) 2920 printf (" %f", XFixedToDouble (output->transform.transform.matrix[y][x])); 2921 if (y < 2) 2922 printf ("\n\t "); 2923 } 2924 if (output->transform.filter) 2925 printf ("\n\t filter: %s", output->transform.filter); 2926 printf ("\n"); 2927 } 2928 if (verbose || properties) 2929 { 2930 props = XRRListOutputProperties (dpy, output->output.xid, 2931 &nprop); 2932 for (j = 0; j < nprop; j++) { 2933 unsigned char *prop; 2934 int actual_format; 2935 unsigned long nitems, bytes_after; 2936 Atom actual_type; 2937 XRRPropertyInfo *propinfo; 2938 2939 XRRGetOutputProperty (dpy, output->output.xid, props[j], 2940 0, 100, False, False, 2941 AnyPropertyType, 2942 &actual_type, &actual_format, 2943 &nitems, &bytes_after, &prop); 2944 2945 propinfo = XRRQueryOutputProperty(dpy, output->output.xid, 2946 props[j]); 2947 2948 if (actual_type == XA_INTEGER && actual_format == 8) { 2949 int k; 2950 2951 printf("\t%s:\n", XGetAtomName (dpy, props[j])); 2952 for (k = 0; k < nitems; k++) { 2953 if (k % 16 == 0) 2954 printf ("\t\t"); 2955 printf("%02x", (unsigned char)prop[k]); 2956 if (k % 16 == 15) 2957 printf("\n"); 2958 } 2959 } else if (actual_type == XA_INTEGER && 2960 actual_format == 32) 2961 { 2962 printf("\t%s: ", XGetAtomName (dpy, props[j])); 2963 for (k = 0; k < nitems; k++) { 2964 if (k > 0) 2965 printf ("\n\t\t\t"); 2966 printf("%d (0x%08x)", 2967 (int)((INT32 *)prop)[k], (int)((INT32 *)prop)[k]); 2968 } 2969 2970 if (propinfo->range && propinfo->num_values > 0) { 2971 if (nitems > 1) 2972 printf ("\n\t\t"); 2973 printf("\trange%s: ", 2974 (propinfo->num_values == 2) ? "" : "s"); 2975 2976 for (k = 0; k < propinfo->num_values / 2; k++) 2977 printf(" (%d,%d)", (int)propinfo->values[k * 2], 2978 (int)propinfo->values[k * 2 + 1]); 2979 } 2980 2981 printf("\n"); 2982 } else if (actual_type == XA_ATOM && 2983 actual_format == 32) 2984 { 2985 printf("\t%s:", XGetAtomName (dpy, props[j])); 2986 for (k = 0; k < nitems; k++) { 2987 if (k > 0 && (k & 1) == 0) 2988 printf ("\n\t\t"); 2989 printf("\t%s", XGetAtomName (dpy, ((Atom *)prop)[k])); 2990 } 2991 2992 if (!propinfo->range && propinfo->num_values > 0) { 2993 printf("\n\t\tsupported:"); 2994 2995 for (k = 0; k < propinfo->num_values; k++) 2996 { 2997 printf(" %-12.12s", XGetAtomName (dpy, 2998 propinfo->values[k])); 2999 if (k % 4 == 3 && k < propinfo->num_values - 1) 3000 printf ("\n\t\t "); 3001 } 3002 } 3003 printf("\n"); 3004 } else if (actual_format == 8) { 3005 printf ("\t%s: %s%s\n", XGetAtomName (dpy, props[j]), 3006 prop, bytes_after ? "..." : ""); 3007 } else { 3008 char *type = actual_type ? XGetAtomName (dpy, actual_type) : "none"; 3009 printf ("\t%s: %s(%d) (format %d items %d) ????\n", 3010 XGetAtomName (dpy, props[j]), 3011 type, (int)actual_type, actual_format, (int)nitems); 3012 } 3013 3014 free(propinfo); 3015 } 3016 } 3017 3018 if (verbose) 3019 { 3020 for (j = 0; j < output_info->nmode; j++) 3021 { 3022 XRRModeInfo *mode = find_mode_by_xid (output_info->modes[j]); 3023 int f; 3024 3025 printf (" %s (0x%x) %6.1fMHz", 3026 mode->name, (int)mode->id, 3027 (float)mode->dotClock / 1000000.0); 3028 for (f = 0; mode_flags[f].flag; f++) 3029 if (mode->modeFlags & mode_flags[f].flag) 3030 printf (" %s", mode_flags[f].string); 3031 if (mode == output->mode_info) 3032 printf (" *current"); 3033 if (j < output_info->npreferred) 3034 printf (" +preferred"); 3035 printf ("\n"); 3036 printf (" h: width %4d start %4d end %4d total %4d skew %4d clock %6.1fKHz\n", 3037 mode->width, mode->hSyncStart, mode->hSyncEnd, 3038 mode->hTotal, mode->hSkew, mode_hsync (mode) / 1000); 3039 printf (" v: height %4d start %4d end %4d total %4d clock %6.1fHz\n", 3040 mode->height, mode->vSyncStart, mode->vSyncEnd, mode->vTotal, 3041 mode_refresh (mode)); 3042 mode->modeFlags |= ModeShown; 3043 } 3044 } 3045 else 3046 { 3047 mode_shown = calloc (output_info->nmode, sizeof (Bool)); 3048 if (!mode_shown) fatal ("out of memory\n"); 3049 for (j = 0; j < output_info->nmode; j++) 3050 { 3051 XRRModeInfo *jmode, *kmode; 3052 3053 if (mode_shown[j]) continue; 3054 3055 jmode = find_mode_by_xid (output_info->modes[j]); 3056 printf (" "); 3057 printf (" %-12s", jmode->name); 3058 for (k = j; k < output_info->nmode; k++) 3059 { 3060 if (mode_shown[k]) continue; 3061 kmode = find_mode_by_xid (output_info->modes[k]); 3062 if (strcmp (jmode->name, kmode->name) != 0) continue; 3063 mode_shown[k] = True; 3064 kmode->modeFlags |= ModeShown; 3065 printf (" %6.1f", mode_refresh (kmode)); 3066 if (kmode == output->mode_info) 3067 printf ("*"); 3068 else 3069 printf (" "); 3070 if (k < output_info->npreferred) 3071 printf ("+"); 3072 else 3073 printf (" "); 3074 } 3075 printf ("\n"); 3076 } 3077 free (mode_shown); 3078 } 3079 } 3080 for (m = 0; m < res->nmode; m++) 3081 { 3082 XRRModeInfo *mode = &res->modes[m]; 3083 3084 if (!(mode->modeFlags & ModeShown)) 3085 { 3086 printf (" %s (0x%x) %6.1fMHz\n", 3087 mode->name, (int)mode->id, 3088 (float)mode->dotClock / 1000000.0); 3089 printf (" h: width %4d start %4d end %4d total %4d skew %4d clock %6.1fKHz\n", 3090 mode->width, mode->hSyncStart, mode->hSyncEnd, 3091 mode->hTotal, mode->hSkew, mode_hsync (mode) / 1000); 3092 printf (" v: height %4d start %4d end %4d total %4d clock %6.1fHz\n", 3093 mode->height, mode->vSyncStart, mode->vSyncEnd, mode->vTotal, 3094 mode_refresh (mode)); 3095 } 3096 } 3097 exit (0); 3098 } 3099#endif 3100 3101 sc = XRRGetScreenInfo (dpy, root); 3102 3103 if (sc == NULL) 3104 exit (1); 3105 3106 current_size = XRRConfigCurrentConfiguration (sc, ¤t_rotation); 3107 3108 sizes = XRRConfigSizes(sc, &nsize); 3109 3110 if (have_pixel_size) { 3111 for (size = 0; size < nsize; size++) 3112 { 3113 if (sizes[size].width == width && sizes[size].height == height) 3114 break; 3115 } 3116 if (size >= nsize) { 3117 fprintf (stderr, 3118 "Size %dx%d not found in available modes\n", width, height); 3119 exit (1); 3120 } 3121 } 3122 else if (size < 0) 3123 size = current_size; 3124 else if (size >= nsize) { 3125 fprintf (stderr, 3126 "Size index %d is too large, there are only %d sizes\n", 3127 size, nsize); 3128 exit (1); 3129 } 3130 3131 if (rot < 0) 3132 { 3133 for (rot = 0; rot < 4; rot++) 3134 if (1 << rot == (current_rotation & 0xf)) 3135 break; 3136 } 3137 3138 current_rate = XRRConfigCurrentRate (sc); 3139 3140 if (rate < 0) 3141 { 3142 if (size == current_size) 3143 rate = current_rate; 3144 else 3145 rate = 0; 3146 } 3147 else 3148 { 3149 rates = XRRConfigRates (sc, size, &nrate); 3150 for (i = 0; i < nrate; i++) 3151 if (rate == rates[i]) 3152 break; 3153 if (i == nrate) { 3154 fprintf (stderr, "Rate %.1f Hz not available for this size\n", rate); 3155 exit (1); 3156 } 3157 } 3158 3159 if (version) { 3160 int major_version, minor_version; 3161 XRRQueryVersion (dpy, &major_version, &minor_version); 3162 printf("Server reports RandR version %d.%d\n", 3163 major_version, minor_version); 3164 } 3165 3166 if (query || query_1) { 3167 printf(" SZ: Pixels Physical Refresh\n"); 3168 for (i = 0; i < nsize; i++) { 3169 printf ("%c%-2d %5d x %-5d (%4dmm x%4dmm )", 3170 i == current_size ? '*' : ' ', 3171 i, sizes[i].width, sizes[i].height, 3172 sizes[i].mwidth, sizes[i].mheight); 3173 rates = XRRConfigRates (sc, i, &nrate); 3174 if (nrate) printf (" "); 3175 for (j = 0; j < nrate; j++) 3176 printf ("%c%-4d", 3177 i == current_size && rates[j] == current_rate ? '*' : ' ', 3178 rates[j]); 3179 printf ("\n"); 3180 } 3181 } 3182 3183 rotations = XRRConfigRotations(sc, ¤t_rotation); 3184 3185 rotation = 1 << rot ; 3186 if (query) { 3187 printf("Current rotation - %s\n", 3188 rotation_name (current_rotation)); 3189 3190 printf("Current reflection - %s\n", 3191 reflection_name (current_rotation)); 3192 3193 printf ("Rotations possible - "); 3194 for (i = 0; i < 4; i ++) { 3195 if ((rotations >> i) & 1) printf("%s ", direction[i]); 3196 } 3197 printf ("\n"); 3198 3199 printf ("Reflections possible - "); 3200 if (rotations & (RR_Reflect_X|RR_Reflect_Y)) 3201 { 3202 if (rotations & RR_Reflect_X) printf ("X Axis "); 3203 if (rotations & RR_Reflect_Y) printf ("Y Axis"); 3204 } 3205 else 3206 printf ("none"); 3207 printf ("\n"); 3208 } 3209 3210 if (verbose) { 3211 printf("Setting size to %d, rotation to %s\n", size, direction[rot]); 3212 3213 printf ("Setting reflection on "); 3214 if (reflection) 3215 { 3216 if (reflection & RR_Reflect_X) printf ("X Axis "); 3217 if (reflection & RR_Reflect_Y) printf ("Y Axis"); 3218 } 3219 else 3220 printf ("neither axis"); 3221 printf ("\n"); 3222 3223 if (reflection & RR_Reflect_X) printf("Setting reflection on X axis\n"); 3224 3225 if (reflection & RR_Reflect_Y) printf("Setting reflection on Y axis\n"); 3226 } 3227 3228 /* we should test configureNotify on the root window */ 3229 XSelectInput (dpy, root, StructureNotifyMask); 3230 3231 if (setit && !dryrun) XRRSelectInput (dpy, root, 3232 RRScreenChangeNotifyMask); 3233 if (setit && !dryrun) status = XRRSetScreenConfigAndRate (dpy, sc, 3234 root, 3235 (SizeID) size, (Rotation) (rotation | reflection), rate, CurrentTime); 3236 3237 XRRQueryExtension(dpy, &event_base, &error_base); 3238 3239 if (setit && !dryrun && status == RRSetConfigFailed) { 3240 printf ("Failed to change the screen configuration!\n"); 3241 ret = 1; 3242 } 3243 3244 if (verbose && setit && !dryrun && size != current_size) { 3245 if (status == RRSetConfigSuccess) 3246 { 3247 Bool seen_screen = False; 3248 while (!seen_screen) { 3249 int spo; 3250 XNextEvent(dpy, (XEvent *) &event); 3251 3252 printf ("Event received, type = %d\n", event.type); 3253 /* update Xlib's knowledge of the event */ 3254 XRRUpdateConfiguration (&event); 3255 if (event.type == ConfigureNotify) 3256 printf("Received ConfigureNotify Event!\n"); 3257 3258 switch (event.type - event_base) { 3259 case RRScreenChangeNotify: 3260 sce = (XRRScreenChangeNotifyEvent *) &event; 3261 3262 printf("Got a screen change notify event!\n"); 3263 printf(" window = %d\n root = %d\n size_index = %d\n rotation %d\n", 3264 (int) sce->window, (int) sce->root, 3265 sce->size_index, sce->rotation); 3266 printf(" timestamp = %ld, config_timestamp = %ld\n", 3267 sce->timestamp, sce->config_timestamp); 3268 printf(" Rotation = %x\n", sce->rotation); 3269 printf(" %d X %d pixels, %d X %d mm\n", 3270 sce->width, sce->height, sce->mwidth, sce->mheight); 3271 printf("Display width %d, height %d\n", 3272 DisplayWidth(dpy, screen), DisplayHeight(dpy, screen)); 3273 printf("Display widthmm %d, heightmm %d\n", 3274 DisplayWidthMM(dpy, screen), DisplayHeightMM(dpy, screen)); 3275 spo = sce->subpixel_order; 3276 if ((spo < 0) || (spo > 5)) 3277 printf ("Unknown subpixel order, value = %d\n", spo); 3278 else printf ("new Subpixel rendering model is %s\n", order[spo]); 3279 seen_screen = True; 3280 break; 3281 default: 3282 if (event.type != ConfigureNotify) 3283 printf("unknown event received, type = %d!\n", event.type); 3284 } 3285 } 3286 } 3287 } 3288 XRRFreeScreenConfigInfo(sc); 3289 return(ret); 3290} 3291