2 * Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc.
3 * Copyright © 2002 Hewlett Packard Company, Inc.
4 * Copyright © 2006 Intel Corporation
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.
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
24 * Thanks to Jim Gettys who wrote most of the client side code,
25 * and part of the server code for randr.
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 */
41 #if RANDR_MAJOR > 1 || (RANDR_MAJOR == 1 && RANDR_MINOR >= 2)
42 #define HAS_RANDR_1_2 1
45 static char *program_name;
48 static int screen = -1;
49 static Bool verbose = False;
50 static Bool automatic = False;
51 static Bool properties = False;
53 static char *direction[5] = {
60 static char *reflections[5] = {
68 static char *order[6] = {
80 { "+HSync", RR_HSyncPositive },
81 { "-HSync", RR_HSyncNegative },
82 { "+VSync", RR_VSyncPositive },
83 { "-VSync", RR_VSyncNegative },
84 { "Interlace", RR_Interlace },
85 { "DoubleScan", RR_DoubleScan },
86 { "CSync", RR_CSync },
87 { "+CSync", RR_CSyncPositive },
88 { "-CSync", RR_CSyncNegative },
95 fprintf(stderr, "usage: %s [options]\n", program_name);
96 fprintf(stderr, " where options are:\n");
97 fprintf(stderr, " -display <display> or -d <display>\n");
98 fprintf(stderr, " -help\n");
99 fprintf(stderr, " -o <normal,inverted,left,right,0,1,2,3>\n");
100 fprintf(stderr, " or --orientation <normal,inverted,left,right,0,1,2,3>\n");
101 fprintf(stderr, " -q or --query\n");
102 fprintf(stderr, " -s <size>/<width>x<height> or --size <size>/<width>x<height>\n");
103 fprintf(stderr, " -r <rate> or --rate <rate> or --refresh <rate>\n");
104 fprintf(stderr, " -v or --version\n");
105 fprintf(stderr, " -x (reflect in x)\n");
106 fprintf(stderr, " -y (reflect in y)\n");
107 fprintf(stderr, " --screen <screen>\n");
108 fprintf(stderr, " --verbose\n");
109 fprintf(stderr, " --dryrun\n");
111 fprintf(stderr, " --prop or --properties\n");
112 fprintf(stderr, " --fb <width>x<height>\n");
113 fprintf(stderr, " --fbmm <width>x<height>\n");
114 fprintf(stderr, " --dpi <dpi>/<output>\n");
116 fprintf(stderr, " --clone\n");
117 fprintf(stderr, " --extend\n");
119 fprintf(stderr, " --output <output>\n");
120 fprintf(stderr, " --auto\n");
121 fprintf(stderr, " --mode <mode>\n");
122 fprintf(stderr, " --preferred\n");
123 fprintf(stderr, " --pos <x>x<y>\n");
124 fprintf(stderr, " --rate <rate> or --refresh <rate>\n");
125 fprintf(stderr, " --reflect normal,x,y,xy\n");
126 fprintf(stderr, " --rotate normal,inverted,left,right\n");
127 fprintf(stderr, " --left-of <output>\n");
128 fprintf(stderr, " --right-of <output>\n");
129 fprintf(stderr, " --above <output>\n");
130 fprintf(stderr, " --below <output>\n");
131 fprintf(stderr, " --same-as <output>\n");
132 fprintf(stderr, " --set <property> <value>\n");
133 fprintf(stderr, " --off\n");
134 fprintf(stderr, " --crtc <crtc>\n");
135 fprintf(stderr, " --newmode <name> <clock MHz>\n");
136 fprintf(stderr, " <hdisp> <hsync-start> <hsync-end> <htotal>\n");
137 fprintf(stderr, " <vdisp> <vsync-start> <vsync-end> <vtotal>\n");
138 fprintf(stderr, " [+HSync] [-HSync] [+VSync] [-VSync]\n");
139 fprintf(stderr, " --rmmode <name>\n");
140 fprintf(stderr, " --addmode <output> <name>\n");
141 fprintf(stderr, " --delmode <output> <name>\n");
149 fatal (const char *format, ...)
153 va_start (ap, format);
154 fprintf (stderr, "%s: ", program_name);
155 vfprintf (stderr, format, ap);
162 rotation_name (Rotation rotation)
166 if ((rotation & 0xf) == 0)
168 for (i = 0; i < 4; i++)
169 if (rotation & (1 << i))
171 return "invalid rotation";
175 reflection_name (Rotation rotation)
177 rotation &= (RR_Reflect_X|RR_Reflect_Y);
185 case RR_Reflect_X|RR_Reflect_Y:
186 return "X and Y axis";
188 return "invalid reflection";
192 typedef enum _policy {
196 typedef enum _relation {
197 left_of, right_of, above, below, same_as
200 typedef enum _changes {
202 changes_crtc = (1 << 0),
203 changes_mode = (1 << 1),
204 changes_relation = (1 << 2),
205 changes_position = (1 << 3),
206 changes_rotation = (1 << 4),
207 changes_reflection = (1 << 5),
208 changes_automatic = (1 << 6),
209 changes_refresh = (1 << 7),
210 changes_property = (1 << 8)
213 typedef enum _name_kind {
215 name_string = (1 << 0),
217 name_index = (1 << 2),
218 name_preferred = (1 << 3)
228 typedef struct _crtc crtc_t;
229 typedef struct _output output_t;
230 typedef struct _umode umode_t;
231 typedef struct _output_prop output_prop_t;
236 XRRCrtcInfo *crtc_info;
238 XRRModeInfo *mode_info;
246 struct _output_prop {
247 struct _output_prop *next;
253 struct _output *next;
257 output_prop_t *props;
260 XRROutputInfo *output_info;
264 crtc_t *current_crtc_info;
268 XRRModeInfo *mode_info;
281 typedef enum _umode_action {
282 umode_create, umode_destroy, umode_add, umode_delete
289 umode_action_t action;
297 static char *connection[3] = {
300 "unknown connection"};
304 static char *connection[3] = {
309 #define OUTPUT_NAME 1
313 #define CRTC_INDEX 0x40000000
322 static output_t *outputs = NULL;
323 static output_t **outputs_tail = &outputs;
324 static crtc_t *crtcs;
325 static umode_t *umodes;
326 static int num_crtcs;
327 static XRRScreenResources *res;
328 static int fb_width = 0, fb_height = 0;
329 static int fb_width_mm = 0, fb_height_mm = 0;
330 static float dpi = 0;
331 static char *dpi_output = NULL;
332 static Bool dryrun = False;
333 static int minWidth, maxWidth, minHeight, maxHeight;
334 static Bool has_1_2 = False;
337 mode_height (XRRModeInfo *mode_info, Rotation rotation)
339 switch (rotation & 0xf) {
342 return mode_info->height;
345 return mode_info->width;
352 mode_width (XRRModeInfo *mode_info, Rotation rotation)
354 switch (rotation & 0xf) {
357 return mode_info->width;
360 return mode_info->height;
366 /* v refresh frequency in Hz */
368 mode_refresh (XRRModeInfo *mode_info)
372 if (mode_info->hTotal && mode_info->vTotal)
373 rate = ((float) mode_info->dotClock /
374 ((float) mode_info->hTotal * (float) mode_info->vTotal));
380 /* h sync frequency in Hz */
382 mode_hsync (XRRModeInfo *mode_info)
386 if (mode_info->hTotal)
387 rate = (float) mode_info->dotClock / (float) mode_info->hTotal;
394 init_name (name_t *name)
396 name->kind = name_none;
400 set_name_string (name_t *name, char *string)
402 name->kind |= name_string;
403 name->string = string;
407 set_name_xid (name_t *name, XID xid)
409 name->kind |= name_xid;
414 set_name_index (name_t *name, int index)
416 name->kind |= name_index;
421 set_name_preferred (name_t *name)
423 name->kind |= name_preferred;
427 set_name_all (name_t *name, name_t *old)
429 if (old->kind & name_xid)
430 name->xid = old->xid;
431 if (old->kind & name_string)
432 name->string = old->string;
433 if (old->kind & name_index)
434 name->index = old->index;
435 name->kind |= old->kind;
439 set_name (name_t *name, char *string, name_kind_t valid)
444 if ((valid & name_xid) && sscanf (string, "0x%lx", &xid) == 1)
445 set_name_xid (name, xid);
446 else if ((valid & name_index) && sscanf (string, "%d", &index) == 1)
447 set_name_index (name, index);
448 else if (valid & name_string)
449 set_name_string (name, string);
457 output_t *output = calloc (1, sizeof (output_t));
460 fatal ("out of memory");
462 *outputs_tail = output;
463 outputs_tail = &output->next;
468 find_output (name_t *name)
472 for (output = outputs; output; output = output->next)
474 name_kind_t common = name->kind & output->output.kind;
476 if ((common & name_xid) && name->xid == output->output.xid)
478 if ((common & name_string) && !strcmp (name->string, output->output.string))
480 if ((common & name_index) && name->index == output->output.index)
487 find_output_by_xid (RROutput output)
491 init_name (&output_name);
492 set_name_xid (&output_name, output);
493 return find_output (&output_name);
497 find_output_by_name (char *name)
501 init_name (&output_name);
502 set_name_string (&output_name, name);
503 return find_output (&output_name);
507 find_crtc (name_t *name)
512 for (c = 0; c < num_crtcs; c++)
517 common = name->kind & crtc->crtc.kind;
519 if ((common & name_xid) && name->xid == crtc->crtc.xid)
521 if ((common & name_string) && !strcmp (name->string, crtc->crtc.string))
523 if ((common & name_index) && name->index == crtc->crtc.index)
531 find_crtc_by_xid (RRCrtc crtc)
535 init_name (&crtc_name);
536 set_name_xid (&crtc_name, crtc);
537 return find_crtc (&crtc_name);
541 find_mode (name_t *name, float refresh)
544 XRRModeInfo *best = NULL;
547 for (m = 0; m < res->nmode; m++)
549 XRRModeInfo *mode = &res->modes[m];
550 if ((name->kind & name_xid) && name->xid == mode->id)
555 if ((name->kind & name_string) && !strcmp (name->string, mode->name))
560 dist = fabs (mode_refresh (mode) - refresh);
563 if (!best || dist < bestDist)
575 find_mode_by_xid (RRMode mode)
579 init_name (&mode_name);
580 set_name_xid (&mode_name, mode);
581 return find_mode (&mode_name, 0);
585 find_mode_for_output (output_t *output, name_t *name)
587 XRROutputInfo *output_info = output->output_info;
589 XRRModeInfo *best = NULL;
592 for (m = 0; m < output_info->nmode; m++)
596 mode = find_mode_by_xid (output_info->modes[m]);
598 if ((name->kind & name_xid) && name->xid == mode->id)
603 if ((name->kind & name_string) && !strcmp (name->string, mode->name))
608 dist = fabs (mode_refresh (mode) - output->refresh);
611 if (!best || dist < bestDist)
622 preferred_mode (output_t *output)
624 XRROutputInfo *output_info = output->output_info;
631 for (m = 0; m < output_info->nmode; m++)
633 XRRModeInfo *mode_info = find_mode_by_xid (output_info->modes[m]);
636 if (m < output_info->npreferred)
638 else if (output_info->mm_height)
639 dist = (1000 * DisplayHeight(dpy, screen) / DisplayHeightMM(dpy, screen) -
640 1000 * mode_info->height / output_info->mm_height);
642 dist = DisplayHeight(dpy, screen) - mode_info->height;
644 if (dist < 0) dist = -dist;
645 if (!best || dist < bestDist)
655 output_can_use_crtc (output_t *output, crtc_t *crtc)
657 XRROutputInfo *output_info = output->output_info;
660 for (c = 0; c < output_info->ncrtc; c++)
661 if (output_info->crtcs[c] == crtc->crtc.xid)
667 output_can_use_mode (output_t *output, XRRModeInfo *mode)
669 XRROutputInfo *output_info = output->output_info;
672 for (m = 0; m < output_info->nmode; m++)
673 if (output_info->modes[m] == mode->id)
679 crtc_can_use_rotation (crtc_t *crtc, Rotation rotation)
681 Rotation rotations = crtc->crtc_info->rotations;
682 Rotation dir = rotation & (RR_Rotate_0|RR_Rotate_90|RR_Rotate_180|RR_Rotate_270);
683 Rotation reflect = rotation & (RR_Reflect_X|RR_Reflect_Y);
684 if (((rotations & dir) != 0) && ((rotations & reflect) == reflect))
690 output_can_use_rotation (output_t *output, Rotation rotation)
692 XRROutputInfo *output_info = output->output_info;
695 /* make sure all of the crtcs can use this rotation.
696 * yes, this is not strictly necessary, but it is
697 * simpler,and we expect most drivers to either
698 * support rotation everywhere or nowhere
700 for (c = 0; c < output_info->ncrtc; c++)
702 crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[c]);
703 if (crtc && !crtc_can_use_rotation (crtc, rotation))
710 set_output_info (output_t *output, RROutput xid, XRROutputInfo *output_info)
712 /* sanity check output info */
713 if (output_info->connection != RR_Disconnected && !output_info->nmode)
714 fatal ("Output %s is not disconnected but has no modes\n",
717 /* set output name and info */
718 if (!(output->output.kind & name_xid))
719 set_name_xid (&output->output, xid);
720 if (!(output->output.kind & name_string))
721 set_name_string (&output->output, output_info->name);
722 output->output_info = output_info;
724 /* set crtc name and info */
725 if (!(output->changes & changes_crtc))
726 set_name_xid (&output->crtc, output_info->crtc);
728 if (output->crtc.kind == name_xid && output->crtc.xid == None)
729 output->crtc_info = NULL;
732 output->crtc_info = find_crtc (&output->crtc);
733 if (!output->crtc_info)
735 if (output->crtc.kind & name_xid)
736 fatal ("cannot find crtc 0x%x\n", output->crtc.xid);
737 if (output->crtc.kind & name_index)
738 fatal ("cannot find crtc %d\n", output->crtc.index);
740 if (!output_can_use_crtc (output, output->crtc_info))
741 fatal ("output %s cannot use crtc 0x%x\n", output->output.string,
742 output->crtc_info->crtc.xid);
745 /* set mode name and info */
746 if (!(output->changes & changes_mode))
748 if (output->crtc_info)
749 set_name_xid (&output->mode, output->crtc_info->crtc_info->mode);
751 set_name_xid (&output->mode, None);
752 if (output->mode.xid)
754 output->mode_info = find_mode_by_xid (output->mode.xid);
755 if (!output->mode_info)
756 fatal ("server did not report mode 0x%x for output %s\n",
757 output->mode.xid, output->output.string);
760 output->mode_info = NULL;
762 else if (output->mode.kind == name_xid && output->mode.xid == None)
763 output->mode_info = NULL;
766 if (output->mode.kind == name_preferred)
767 output->mode_info = preferred_mode (output);
769 output->mode_info = find_mode_for_output (output, &output->mode);
770 if (!output->mode_info)
772 if (output->mode.kind & name_preferred)
773 fatal ("cannot find preferred mode\n");
774 if (output->mode.kind & name_string)
775 fatal ("cannot find mode %s\n", output->mode.string);
776 if (output->mode.kind & name_xid)
777 fatal ("cannot find mode 0x%x\n", output->mode.xid);
779 if (!output_can_use_mode (output, output->mode_info))
780 fatal ("output %s cannot use mode %s\n", output->output.string,
781 output->mode_info->name);
785 if (!(output->changes & changes_position))
787 if (output->crtc_info)
789 output->x = output->crtc_info->crtc_info->x;
790 output->y = output->crtc_info->crtc_info->y;
800 if (!(output->changes & changes_rotation))
802 output->rotation &= ~0xf;
803 if (output->crtc_info)
804 output->rotation |= (output->crtc_info->crtc_info->rotation & 0xf);
806 output->rotation = RR_Rotate_0;
808 if (!(output->changes & changes_reflection))
810 output->rotation &= ~(RR_Reflect_X|RR_Reflect_Y);
811 if (output->crtc_info)
812 output->rotation |= (output->crtc_info->crtc_info->rotation &
813 (RR_Reflect_X|RR_Reflect_Y));
815 if (!output_can_use_rotation (output, output->rotation))
816 fatal ("output %s cannot use rotation \"%s\" reflection \"%s\"\n",
817 output->output.string,
818 rotation_name (output->rotation),
819 reflection_name (output->rotation));
826 fatal ("Server RandR version before 1.2\n");
828 XRRGetScreenSizeRange (dpy, root, &minWidth, &minHeight,
829 &maxWidth, &maxHeight);
831 res = XRRGetScreenResources (dpy, root);
832 if (!res) fatal ("could not get screen resources");
840 num_crtcs = res->ncrtc;
841 crtcs = calloc (num_crtcs, sizeof (crtc_t));
842 if (!crtcs) fatal ("out of memory");
844 for (c = 0; c < res->ncrtc; c++)
846 XRRCrtcInfo *crtc_info = XRRGetCrtcInfo (dpy, res, res->crtcs[c]);
847 set_name_xid (&crtcs[c].crtc, res->crtcs[c]);
848 set_name_index (&crtcs[c].crtc, c);
849 if (!crtc_info) fatal ("could not get crtc 0x%x information", res->crtcs[c]);
850 crtcs[c].crtc_info = crtc_info;
851 if (crtc_info->mode == None)
853 crtcs[c].mode_info = NULL;
856 crtcs[c].rotation = RR_Rotate_0;
862 crtc_add_output (crtc_t *crtc, output_t *output)
865 crtc->outputs = realloc (crtc->outputs, (crtc->noutput + 1) * sizeof (output_t *));
868 crtc->outputs = malloc (sizeof (output_t *));
871 crtc->rotation = output->rotation;
872 crtc->mode_info = output->mode_info;
874 if (!crtc->outputs) fatal ("out of memory");
875 crtc->outputs[crtc->noutput++] = output;
883 for (output = outputs; output; output = output->next)
885 if (!output->mode_info) continue;
886 crtc_add_output (output->crtc_info, output);
891 crtc_disable (crtc_t *crtc)
894 printf ("crtc %d: disable\n", crtc->crtc.index);
897 return RRSetConfigSuccess;
898 return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime,
899 0, 0, None, RR_Rotate_0, NULL, 0);
903 crtc_revert (crtc_t *crtc)
905 XRRCrtcInfo *crtc_info = crtc->crtc_info;
908 printf ("crtc %d: revert\n", crtc->crtc.index);
911 return RRSetConfigSuccess;
912 return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime,
913 crtc_info->x, crtc_info->y,
914 crtc_info->mode, crtc_info->rotation,
915 crtc_info->outputs, crtc_info->noutput);
919 crtc_apply (crtc_t *crtc)
921 RROutput *rr_outputs;
926 if (!crtc->changing || !crtc->mode_info)
927 return RRSetConfigSuccess;
929 rr_outputs = calloc (crtc->noutput, sizeof (RROutput));
932 for (o = 0; o < crtc->noutput; o++)
933 rr_outputs[o] = crtc->outputs[o]->output.xid;
934 mode = crtc->mode_info->id;
936 printf ("crtc %d: %12s %6.1f +%d+%d", crtc->crtc.index,
937 crtc->mode_info->name, mode_refresh (crtc->mode_info),
939 for (o = 0; o < crtc->noutput; o++)
940 printf (" \"%s\"", crtc->outputs[o]->output.string);
945 s = RRSetConfigSuccess;
947 s = XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime,
948 crtc->x, crtc->y, mode, crtc->rotation,
949 rr_outputs, crtc->noutput);
958 printf ("screen %d: revert\n", screen);
962 XRRSetScreenSize (dpy, root,
963 DisplayWidth (dpy, screen),
964 DisplayHeight (dpy, screen),
965 DisplayWidthMM (dpy, screen),
966 DisplayHeightMM (dpy, screen));
972 if (fb_width == DisplayWidth (dpy, screen) &&
973 fb_height == DisplayHeight (dpy, screen) &&
974 fb_width_mm == DisplayWidthMM (dpy, screen) &&
975 fb_height_mm == DisplayHeightMM (dpy, screen))
980 printf ("screen %d: %dx%d %dx%d mm %6.2fdpi\n", screen,
981 fb_width, fb_height, fb_width_mm, fb_height_mm, dpi);
984 XRRSetScreenSize (dpy, root, fb_width, fb_height,
985 fb_width_mm, fb_height_mm);
993 /* first disable all crtcs */
994 for (c = 0; c < res->ncrtc; c++)
995 crtc_disable (&crtcs[c]);
996 /* next reset screen size */
998 /* now restore all crtcs */
999 for (c = 0; c < res->ncrtc; c++)
1000 crtc_revert (&crtcs[c]);
1004 * uh-oh, something bad happened in the middle of changing
1005 * the configuration. Revert to the previous configuration
1009 panic (Status s, crtc_t *crtc)
1011 int c = crtc->crtc.index;
1015 case RRSetConfigSuccess: message = "succeeded"; break;
1016 case BadAlloc: message = "out of memory"; break;
1017 case RRSetConfigFailed: message = "failed"; break;
1018 case RRSetConfigInvalidConfigTime: message = "invalid config time"; break;
1019 case RRSetConfigInvalidTime: message = "invalid time"; break;
1020 default: message = "unknown failure"; break;
1023 fprintf (stderr, "%s: Configure crtc %d %s\n", program_name, c, message);
1035 * Turn off any crtcs which are to be disabled or which are
1036 * larger than the target size
1038 for (c = 0; c < res->ncrtc; c++)
1040 crtc_t *crtc = &crtcs[c];
1041 XRRCrtcInfo *crtc_info = crtc->crtc_info;
1043 /* if this crtc is already disabled, skip it */
1044 if (crtc_info->mode == None)
1048 * If this crtc is to be left enabled, make
1049 * sure the old size fits then new screen
1051 if (crtc->mode_info)
1053 XRRModeInfo *old_mode = find_mode_by_xid (crtc_info->mode);
1057 panic (RRSetConfigFailed, crtc);
1059 /* old position and size information */
1062 w = mode_width (old_mode, crtc_info->rotation);
1063 h = mode_height (old_mode, crtc_info->rotation);
1065 /* if it fits, skip it */
1066 if (x + w <= fb_width && y + h <= fb_height)
1068 crtc->changing = True;
1070 s = crtc_disable (crtc);
1071 if (s != RRSetConfigSuccess)
1076 * Hold the server grabbed while messing with
1077 * the screen so that apps which notice the resize
1078 * event and ask for xinerama information from the server
1079 * receive up-to-date information
1084 * Set the screen size
1092 for (c = 0; c < res->ncrtc; c++)
1094 crtc_t *crtc = &crtcs[c];
1096 s = crtc_apply (crtc);
1097 if (s != RRSetConfigSuccess)
1101 * Release the server grab and let all clients
1102 * respond to the updated state
1104 XUngrabServer (dpy);
1108 * Use current output state to complete the output list
1115 for (o = 0; o < res->noutput; o++)
1117 XRROutputInfo *output_info = XRRGetOutputInfo (dpy, res, res->outputs[o]);
1120 if (!output_info) fatal ("could not get output 0x%x information", res->outputs[o]);
1121 set_name_xid (&output_name, res->outputs[o]);
1122 set_name_index (&output_name, o);
1123 set_name_string (&output_name, output_info->name);
1124 output = find_output (&output_name);
1127 output = add_output ();
1128 set_name_all (&output->output, &output_name);
1130 * When global --automatic mode is set, turn on connected but off
1131 * outputs, turn off disconnected but on outputs
1135 switch (output_info->connection) {
1137 if (!output_info->crtc) {
1138 output->changes |= changes_automatic;
1139 output->automatic = True;
1142 case RR_Disconnected:
1143 if (output_info->crtc)
1145 output->changes |= changes_automatic;
1146 output->automatic = True;
1154 * Automatic mode -- track connection state and enable/disable outputs
1157 if (output->automatic)
1159 switch (output_info->connection) {
1161 case RR_UnknownConnection:
1162 if ((!(output->changes & changes_mode)))
1164 set_name_preferred (&output->mode);
1165 output->changes |= changes_mode;
1168 case RR_Disconnected:
1169 if ((!(output->changes & changes_mode)))
1171 set_name_xid (&output->mode, None);
1172 set_name_xid (&output->crtc, None);
1173 output->changes |= changes_mode;
1174 output->changes |= changes_crtc;
1180 set_output_info (output, res->outputs[o], output_info);
1185 mark_changing_crtcs (void)
1189 for (c = 0; c < num_crtcs; c++)
1191 crtc_t *crtc = &crtcs[c];
1195 /* walk old output list (to catch disables) */
1196 for (o = 0; o < crtc->crtc_info->noutput; o++)
1198 output = find_output_by_xid (crtc->crtc_info->outputs[o]);
1199 if (!output) fatal ("cannot find output 0x%x\n",
1200 crtc->crtc_info->outputs[o]);
1201 if (output->changes)
1202 crtc->changing = True;
1204 /* walk new output list */
1205 for (o = 0; o < crtc->noutput; o++)
1207 output = crtc->outputs[o];
1208 if (output->changes)
1209 crtc->changing = True;
1215 * Test whether 'crtc' can be used for 'output'
1218 check_crtc_for_output (crtc_t *crtc, output_t *output)
1224 for (c = 0; c < output->output_info->ncrtc; c++)
1225 if (output->output_info->crtcs[c] == crtc->crtc.xid)
1227 if (c == output->output_info->ncrtc)
1229 for (other = outputs; other; other = other->next)
1231 if (other == output)
1234 if (other->mode_info == NULL)
1237 if (other->crtc_info != crtc)
1240 /* see if the output connected to the crtc can clone to this output */
1241 for (l = 0; l < output->output_info->nclone; l++)
1242 if (output->output_info->clones[l] == other->output.xid)
1244 /* not on the list, can't clone */
1245 if (l == output->output_info->nclone)
1251 /* make sure the state matches */
1252 if (crtc->mode_info != output->mode_info)
1254 if (crtc->x != output->x)
1256 if (crtc->y != output->y)
1258 if (crtc->rotation != output->rotation)
1265 find_crtc_for_output (output_t *output)
1269 for (c = 0; c < output->output_info->ncrtc; c++)
1273 crtc = find_crtc_by_xid (output->output_info->crtcs[c]);
1274 if (!crtc) fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]);
1276 if (check_crtc_for_output (crtc, output))
1283 set_positions (void)
1294 for (output = outputs; output; output = output->next)
1297 name_t relation_name;
1299 if (!(output->changes & changes_relation)) continue;
1301 if (output->mode_info == NULL) continue;
1303 init_name (&relation_name);
1304 set_name_string (&relation_name, output->relative_to);
1305 relation = find_output (&relation_name);
1306 if (!relation) fatal ("cannot find output \"%s\"\n", output->relative_to);
1308 if (relation->mode_info == NULL)
1312 output->changes |= changes_position;
1317 * Make sure the dependent object has been set in place
1319 if ((relation->changes & changes_relation) &&
1320 !(relation->changes & changes_position))
1326 switch (output->relation) {
1328 output->y = relation->y;
1329 output->x = relation->x - mode_width (output->mode_info, output->rotation);
1332 output->y = relation->y;
1333 output->x = relation->x + mode_width (relation->mode_info, relation->rotation);
1336 output->x = relation->x;
1337 output->y = relation->y - mode_height (output->mode_info, output->rotation);
1340 output->x = relation->x;
1341 output->y = relation->y + mode_height (relation->mode_info, relation->rotation);
1344 output->x = relation->x;
1345 output->y = relation->y;
1347 output->changes |= changes_position;
1353 fatal ("loop in relative position specifications\n");
1357 * Now normalize positions so the upper left corner of all outputs is at 0,0
1361 for (output = outputs; output; output = output->next)
1363 if (output->mode_info == NULL) continue;
1365 if (output->x < min_x) min_x = output->x;
1366 if (output->y < min_y) min_y = output->y;
1370 /* move all outputs */
1371 for (output = outputs; output; output = output->next)
1373 if (output->mode_info == NULL) continue;
1377 output->changes |= changes_position;
1383 set_screen_size (void)
1386 Bool fb_specified = fb_width != 0 && fb_height != 0;
1388 for (output = outputs; output; output = output->next)
1390 XRRModeInfo *mode_info = output->mode_info;
1393 if (!mode_info) continue;
1397 w = mode_width (mode_info, output->rotation);
1398 h = mode_height (mode_info, output->rotation);
1399 /* make sure output fits in specified size */
1402 if (x + w > fb_width || y + h > fb_height)
1403 fatal ("specified screen %dx%d not large enough for output %s (%dx%d+%d+%d)\n",
1404 fb_width, fb_height, output->output.string, w, h, x, y);
1406 /* fit fb to output */
1409 if (x + w > fb_width) fb_width = x + w;
1410 if (y + h > fb_height) fb_height = y + h;
1414 if (fb_width > maxWidth || fb_height > maxHeight)
1415 fatal ("screen cannot be larger than %dx%d (desired size %dx%d)\n",
1416 maxWidth, maxHeight, fb_width, fb_height);
1419 if (fb_width < minWidth || fb_height < minHeight)
1420 fatal ("screen must be at least %dx%d\n", minWidth, minHeight);
1424 if (fb_width < minWidth) fb_width = minWidth;
1425 if (fb_height < minHeight) fb_height = minHeight;
1432 disable_outputs (output_t *outputs)
1436 outputs->crtc_info = NULL;
1437 outputs = outputs->next;
1442 * find the best mapping from output to crtc available
1445 pick_crtcs_score (output_t *outputs)
1458 outputs = outputs->next;
1460 * Score with this output disabled
1462 output->crtc_info = NULL;
1463 best_score = pick_crtcs_score (outputs);
1464 if (output->mode_info == NULL)
1469 * Now score with this output any valid crtc
1471 for (c = 0; c < output->output_info->ncrtc; c++)
1475 crtc = find_crtc_by_xid (output->output_info->crtcs[c]);
1477 fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]);
1479 /* reset crtc allocation for following outputs */
1480 disable_outputs (outputs);
1481 if (!check_crtc_for_output (crtc, output))
1485 /* slight preference for existing connections */
1486 if (crtc == output->current_crtc_info)
1489 output->crtc_info = crtc;
1490 score = my_score + pick_crtcs_score (outputs);
1491 if (score > best_score)
1498 * Reset other outputs based on this one using the best crtc
1500 if (output->crtc_info != best_crtc)
1502 output->crtc_info = best_crtc;
1503 (void) pick_crtcs_score (outputs);
1509 * Pick crtcs for any changing outputs that don't have one
1517 * First try to match up newly enabled outputs with spare crtcs
1519 for (output = outputs; output; output = output->next)
1521 if (output->changes && output->mode_info && !output->crtc_info)
1523 output->crtc_info = find_crtc_for_output (output);
1524 if (!output->crtc_info)
1534 * When the simple way fails, see if there is a way
1535 * to swap crtcs around and make things work
1537 for (output = outputs; output; output = output->next)
1538 output->current_crtc_info = output->crtc_info;
1539 pick_crtcs_score (outputs);
1540 for (output = outputs; output; output = output->next)
1542 if (output->mode_info && !output->crtc_info)
1543 fatal ("cannot find crtc for output %s\n", output->output.string);
1544 if (!output->changes && output->crtc_info != output->current_crtc_info)
1545 output->changes |= changes_crtc;
1550 main (int argc, char **argv)
1552 XRRScreenSize *sizes;
1553 XRRScreenConfiguration *sc;
1557 Status status = RRSetConfigFailed;
1560 Rotation rotation, current_rotation, rotations;
1561 XRRScreenChangeNotifyEvent event;
1562 XRRScreenChangeNotifyEvent *sce;
1563 char *display_name = NULL;
1565 SizeID current_size;
1571 Bool version = False;
1572 int event_base, error_base;
1574 int width = 0, height = 0;
1575 Bool have_pixel_size = False;
1578 output_t *output = NULL;
1579 policy_t policy = clone;
1580 Bool setit_1_2 = False;
1581 Bool query_1_2 = False;
1582 Bool modeit = False;
1583 Bool propit = False;
1584 Bool query_1 = False;
1588 program_name = argv[0];
1589 if (argc == 1) query = True;
1590 for (i = 1; i < argc; i++) {
1591 if (!strcmp ("-display", argv[i]) || !strcmp ("-d", argv[i])) {
1592 if (++i>=argc) usage ();
1593 display_name = argv[i];
1596 if (!strcmp("-help", argv[i])) {
1600 if (!strcmp ("--verbose", argv[i])) {
1604 if (!strcmp ("--dryrun", argv[i])) {
1610 if (!strcmp ("-s", argv[i]) || !strcmp ("--size", argv[i])) {
1611 if (++i>=argc) usage ();
1612 if (sscanf (argv[i], "%dx%d", &width, &height) == 2)
1613 have_pixel_size = True;
1615 size = atoi (argv[i]);
1616 if (size < 0) usage();
1622 if (!strcmp ("-r", argv[i]) ||
1623 !strcmp ("--rate", argv[i]) ||
1624 !strcmp ("--refresh", argv[i]))
1626 if (++i>=argc) usage ();
1627 if (sscanf (argv[i], "%f", &rate) != 1)
1633 output->refresh = rate;
1634 output->changes |= changes_refresh;
1641 if (!strcmp ("-v", argv[i]) || !strcmp ("--version", argv[i])) {
1646 if (!strcmp ("-x", argv[i])) {
1647 reflection |= RR_Reflect_X;
1651 if (!strcmp ("-y", argv[i])) {
1652 reflection |= RR_Reflect_Y;
1656 if (!strcmp ("--screen", argv[i])) {
1657 if (++i>=argc) usage ();
1658 screen = atoi (argv[i]);
1659 if (screen < 0) usage();
1662 if (!strcmp ("-q", argv[i]) || !strcmp ("--query", argv[i])) {
1666 if (!strcmp ("-o", argv[i]) || !strcmp ("--orientation", argv[i])) {
1668 if (++i>=argc) usage ();
1669 dirind = strtol(argv[i], &endptr, 0);
1670 if (*endptr != '\0') {
1671 for (dirind = 0; dirind < 4; dirind++) {
1672 if (strcmp (direction[dirind], argv[i]) == 0) break;
1674 if ((dirind < 0) || (dirind > 3)) usage();
1681 if (!strcmp ("--prop", argv[i]) || !strcmp ("--properties", argv[i]))
1687 if (!strcmp ("--output", argv[i])) {
1688 if (++i >= argc) usage();
1689 output = add_output ();
1691 set_name (&output->output, argv[i], name_string|name_xid);
1696 if (!strcmp ("--crtc", argv[i])) {
1697 if (++i >= argc) usage();
1698 if (!output) usage();
1699 set_name (&output->crtc, argv[i], name_xid|name_index);
1700 output->changes |= changes_crtc;
1703 if (!strcmp ("--mode", argv[i])) {
1704 if (++i >= argc) usage();
1705 if (!output) usage();
1706 set_name (&output->mode, argv[i], name_string|name_xid);
1707 output->changes |= changes_mode;
1710 if (!strcmp ("--preferred", argv[i])) {
1711 if (!output) usage();
1712 set_name_preferred (&output->mode);
1713 output->changes |= changes_mode;
1716 if (!strcmp ("--pos", argv[i])) {
1717 if (++i>=argc) usage ();
1718 if (!output) usage();
1719 if (sscanf (argv[i], "%dx%d",
1720 &output->x, &output->y) != 2)
1722 output->changes |= changes_position;
1725 if (!strcmp ("--rotation", argv[i]) || !strcmp ("--rotate", argv[i])) {
1726 if (++i>=argc) usage ();
1727 if (!output) usage();
1728 for (dirind = 0; dirind < 4; dirind++) {
1729 if (strcmp (direction[dirind], argv[i]) == 0) break;
1733 output->rotation &= ~0xf;
1734 output->rotation |= 1 << dirind;
1735 output->changes |= changes_rotation;
1738 if (!strcmp ("--reflect", argv[i]) || !strcmp ("--reflection", argv[i])) {
1739 if (++i>=argc) usage ();
1740 if (!output) usage();
1741 for (dirind = 0; dirind < 4; dirind++) {
1742 if (strcmp (reflections[dirind], argv[i]) == 0) break;
1746 output->rotation &= ~(RR_Reflect_X|RR_Reflect_Y);
1747 output->rotation |= dirind * RR_Reflect_X;
1748 output->changes |= changes_reflection;
1751 if (!strcmp ("--left-of", argv[i])) {
1752 if (++i>=argc) usage ();
1753 if (!output) usage();
1754 output->relation = left_of;
1755 output->relative_to = argv[i];
1756 output->changes |= changes_relation;
1759 if (!strcmp ("--right-of", argv[i])) {
1760 if (++i>=argc) usage ();
1761 if (!output) usage();
1762 output->relation = right_of;
1763 output->relative_to = argv[i];
1764 output->changes |= changes_relation;
1767 if (!strcmp ("--above", argv[i])) {
1768 if (++i>=argc) usage ();
1769 if (!output) usage();
1770 output->relation = above;
1771 output->relative_to = argv[i];
1772 output->changes |= changes_relation;
1775 if (!strcmp ("--below", argv[i])) {
1776 if (++i>=argc) usage ();
1777 if (!output) usage();
1778 output->relation = below;
1779 output->relative_to = argv[i];
1780 output->changes |= changes_relation;
1783 if (!strcmp ("--same-as", argv[i])) {
1784 if (++i>=argc) usage ();
1785 if (!output) usage();
1786 output->relation = same_as;
1787 output->relative_to = argv[i];
1788 output->changes |= changes_relation;
1791 if (!strcmp ("--set", argv[i])) {
1792 output_prop_t *prop;
1793 if (!output) usage();
1794 prop = malloc (sizeof (output_prop_t));
1795 prop->next = output->props;
1796 output->props = prop;
1797 if (++i>=argc) usage ();
1798 prop->name = argv[i];
1799 if (++i>=argc) usage ();
1800 prop->value = argv[i];
1802 output->changes |= changes_property;
1806 if (!strcmp ("--off", argv[i])) {
1807 if (!output) usage();
1808 set_name_xid (&output->mode, None);
1809 set_name_xid (&output->crtc, None);
1810 output->changes |= changes_mode;
1813 if (!strcmp ("--fb", argv[i])) {
1814 if (++i>=argc) usage ();
1815 if (sscanf (argv[i], "%dx%d",
1816 &fb_width, &fb_height) != 2)
1821 if (!strcmp ("--fbmm", argv[i])) {
1822 if (++i>=argc) usage ();
1823 if (sscanf (argv[i], "%dx%d",
1824 &fb_width_mm, &fb_height_mm) != 2)
1829 if (!strcmp ("--dpi", argv[i])) {
1830 if (++i>=argc) usage ();
1831 if (sscanf (argv[i], "%f", &dpi) != 1)
1834 dpi_output = argv[i];
1839 if (!strcmp ("--clone", argv[i])) {
1844 if (!strcmp ("--extend", argv[i])) {
1849 if (!strcmp ("--auto", argv[i])) {
1852 output->automatic = True;
1853 output->changes |= changes_automatic;
1860 if (!strcmp ("--q12", argv[i]))
1865 if (!strcmp ("--q1", argv[i]))
1870 if (!strcmp ("--newmode", argv[i]))
1872 umode_t *m = malloc (sizeof (umode_t));
1876 if (i + 9 >= argc) usage ();
1877 m->mode.name = argv[i];
1878 m->mode.nameLength = strlen (argv[i]);
1880 if (sscanf (argv[i++], "%f", &clock) != 1)
1882 m->mode.dotClock = clock * 1e6;
1884 if (sscanf (argv[i++], "%d", &m->mode.width) != 1) usage();
1885 if (sscanf (argv[i++], "%d", &m->mode.hSyncStart) != 1) usage();
1886 if (sscanf (argv[i++], "%d", &m->mode.hSyncEnd) != 1) usage();
1887 if (sscanf (argv[i++], "%d", &m->mode.hTotal) != 1) usage();
1888 if (sscanf (argv[i++], "%d", &m->mode.height) != 1) usage();
1889 if (sscanf (argv[i++], "%d", &m->mode.vSyncStart) != 1) usage();
1890 if (sscanf (argv[i++], "%d", &m->mode.vSyncEnd) != 1) usage();
1891 if (sscanf (argv[i++], "%d", &m->mode.vTotal) != 1) usage();
1892 m->mode.modeFlags = 0;
1896 for (f = 0; mode_flags[f].string; f++)
1897 if (!strcasecmp (mode_flags[f].string, argv[i]))
1900 if (!mode_flags[f].string)
1902 m->mode.modeFlags |= mode_flags[f].flag;
1906 m->action = umode_create;
1911 if (!strcmp ("--rmmode", argv[i]))
1913 umode_t *m = malloc (sizeof (umode_t));
1915 if (++i>=argc) usage ();
1916 set_name (&m->name, argv[i], name_string|name_xid);
1917 m->action = umode_destroy;
1923 if (!strcmp ("--addmode", argv[i]))
1925 umode_t *m = malloc (sizeof (umode_t));
1927 if (++i>=argc) usage ();
1928 set_name (&m->output, argv[i], name_string|name_xid);
1929 if (++i>=argc) usage();
1930 set_name (&m->name, argv[i], name_string|name_xid);
1931 m->action = umode_add;
1937 if (!strcmp ("--delmode", argv[i]))
1939 umode_t *m = malloc (sizeof (umode_t));
1941 if (++i>=argc) usage ();
1942 set_name (&m->output, argv[i], name_string|name_xid);
1943 if (++i>=argc) usage();
1944 set_name (&m->name, argv[i], name_string|name_xid);
1945 m->action = umode_delete;
1957 if (setit && !setit_1_2)
1961 dpy = XOpenDisplay (display_name);
1964 fprintf (stderr, "Can't open display %s\n", XDisplayName(display_name));
1968 screen = DefaultScreen (dpy);
1969 if (screen >= ScreenCount (dpy)) {
1970 fprintf (stderr, "Invalid screen number %d (display has %d)\n",
1971 screen, ScreenCount (dpy));
1975 root = RootWindow (dpy, screen);
1978 if (!XRRQueryVersion (dpy, &major, &minor))
1980 fprintf (stderr, "RandR extension missing\n");
1983 if (major > 1 || (major == 1 && minor >= 2))
1986 if (has_1_2 && modeit)
1994 for (m = umodes; m; m = m->next)
1999 switch (m->action) {
2001 XRRCreateMode (dpy, root, &m->mode);
2004 e = find_mode (&m->name, 0);
2006 fatal ("cannot find mode \"%s\"\n", m->name.string);
2007 XRRDestroyMode (dpy, e->id);
2010 o = find_output (&m->output);
2012 fatal ("cannot find output \"%s\"\n", m->output.string);
2013 e = find_mode (&m->name, 0);
2015 fatal ("cannot find mode \"%s\"\n", m->name.string);
2016 XRRAddOutputMode (dpy, o->output.xid, e->id);
2019 o = find_output (&m->output);
2021 fatal ("cannot find output \"%s\"\n", m->output.string);
2022 e = find_mode (&m->name, 0);
2024 fatal ("cannot find mode \"%s\"\n", m->name.string);
2025 XRRDeleteOutputMode (dpy, o->output.xid, e->id);
2035 if (has_1_2 && propit)
2042 for (output = outputs; output; output = output->next)
2044 output_prop_t *prop;
2046 for (prop = output->props; prop; prop = prop->next)
2048 Atom name = XInternAtom (dpy, prop->name, False);
2051 unsigned char *data = NULL;
2054 unsigned long ulong_value;
2055 unsigned char *prop_data;
2057 unsigned long nitems, bytes_after;
2059 XRRPropertyInfo *propinfo;
2061 type = AnyPropertyType;
2064 if (XRRGetOutputProperty (dpy, output->output.xid, name,
2065 0, 100, False, False,
2067 &actual_type, &actual_format,
2068 &nitems, &bytes_after, &prop_data) == Success &&
2070 (propinfo = XRRQueryOutputProperty(dpy, output->output.xid,
2074 format = actual_format;
2077 if ((type == XA_INTEGER || type == AnyPropertyType) &&
2078 (sscanf (prop->value, "%d", &int_value) == 1 ||
2079 sscanf (prop->value, "0x%x", &int_value) == 1))
2082 ulong_value = int_value;
2083 data = (unsigned char *) &ulong_value;
2087 else if ((type == XA_ATOM))
2089 ulong_value = XInternAtom (dpy, prop->value, False);
2090 data = (unsigned char *) &ulong_value;
2094 else if ((type == XA_STRING || type == AnyPropertyType))
2097 data = (unsigned char *) prop->value;
2098 nelements = strlen (prop->value);
2101 XRRChangeOutputProperty (dpy, output->output.xid,
2102 name, type, format, PropModeReplace,
2123 * Assign outputs to crtcs
2128 * Mark changing crtcs
2130 mark_changing_crtcs ();
2133 * If an output was specified to track dpi, use it
2137 output_t *output = find_output_by_name (dpi_output);
2138 XRROutputInfo *output_info;
2139 XRRModeInfo *mode_info;
2141 fatal ("Cannot find output %s\n", dpi_output);
2142 output_info = output->output_info;
2143 mode_info = output->mode_info;
2144 if (output_info && mode_info && output_info->mm_height)
2147 * When this output covers the whole screen, just use
2148 * the known physical size
2150 if (fb_width == mode_info->width &&
2151 fb_height == mode_info->height)
2153 fb_width_mm = output_info->mm_width;
2154 fb_height_mm = output_info->mm_height;
2158 dpi = (25.4 * mode_info->height) / output_info->mm_height;
2164 * Compute physical screen size
2166 if (fb_width_mm == 0 || fb_height_mm == 0)
2168 if (fb_width != DisplayWidth (dpy, screen) ||
2169 fb_height != DisplayHeight (dpy, screen) || dpi != 0.0)
2172 dpi = (25.4 * DisplayHeight (dpy, screen)) / DisplayHeightMM(dpy, screen);
2174 fb_width_mm = (25.4 * fb_width) / dpi;
2175 fb_height_mm = (25.4 * fb_height) / dpi;
2179 fb_width_mm = DisplayWidthMM (dpy, screen);
2180 fb_height_mm = DisplayHeightMM (dpy, screen);
2185 * Now apply all of the changes
2192 if (query_1_2 || (query && has_1_2 && !query_1))
2196 #define ModeShown 0x80000000
2202 printf ("<screen id=\"%d\" minimum_w=\"%d\" minimum_h=\"%d\" current_w=\"%d\" current_h=\"%d\" maximum_w=\"%d\" maximum_h=\"%d\">\n",
2203 screen, minWidth, minHeight,
2204 DisplayWidth (dpy, screen), DisplayHeight(dpy, screen),
2205 maxWidth, maxHeight);
2207 for (output = outputs; output; output = output->next)
2209 XRROutputInfo *output_info = output->output_info;
2210 XRRModeInfo *mode = output->mode_info;
2215 printf (" <output name=\"%s\" connected=\"%s\"", output_info->name, connection[output_info->connection]);
2218 printf (" w=\"%d\" h=\"%d\" x=\"%d\" y=\"%d\"",
2219 mode_width (mode, output->rotation),
2220 mode_height (mode, output->rotation),
2221 output->x, output->y);
2223 printf (" id=\"%lx\"", mode->id);
2224 if (output->rotation != RR_Rotate_0 || verbose)
2226 printf (" rotation=\"%s\"",
2227 rotation_name (output->rotation));
2228 if (output->rotation & (RR_Reflect_X|RR_Reflect_Y))
2229 printf (" reflection=\"%s\"", reflection_name (output->rotation));
2233 if (rotations != RR_Rotate_0 || verbose)
2237 for (i = 0; i < 4; i ++) {
2238 if ((rotations >> i) & 1) {
2239 if (!first) printf (" "); first = False;
2240 printf("%s", direction[i]);
2244 if (rotations & RR_Reflect_X)
2246 if (!first) printf (" "); first = False;
2249 if (rotations & RR_Reflect_Y)
2251 if (!first) printf (" "); first = False;
2259 printf (" wmm=\"%lu\" hmm=\"%lu\"",
2260 output_info->mm_width, output_info->mm_height);
2266 printf ("\tIdentifier: 0x%lx\n", output->output.xid);
2267 printf ("\tTimestamp: %lu\n", output_info->timestamp);
2268 printf ("\tSubpixel: %s\n", order[output_info->subpixel_order]);
2269 printf ("\tClones: ");
2270 for (j = 0; j < output_info->nclone; j++)
2272 output_t *clone = find_output_by_xid (output_info->clones[j]);
2274 if (clone) printf (" %s", clone->output.string);
2277 if (output->crtc_info)
2278 printf ("\tCRTC: %d\n", output->crtc_info->crtc.index);
2279 printf ("\tCRTCs: ");
2280 for (j = 0; j < output_info->ncrtc; j++)
2282 crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[j]);
2284 printf (" %d", crtc->crtc.index);
2288 if (verbose || properties)
2290 props = XRRListOutputProperties (dpy, output->output.xid,
2292 for (j = 0; j < nprop; j++) {
2293 unsigned char *prop;
2295 unsigned long nitems, bytes_after;
2297 XRRPropertyInfo *propinfo;
2299 XRRGetOutputProperty (dpy, output->output.xid, props[j],
2300 0, 100, False, False,
2302 &actual_type, &actual_format,
2303 &nitems, &bytes_after, &prop);
2305 propinfo = XRRQueryOutputProperty(dpy, output->output.xid,
2308 if (actual_type == XA_INTEGER && actual_format == 8) {
2311 printf("\t%s:\n", XGetAtomName (dpy, props[j]));
2312 for (k = 0; k < nitems; k++) {
2315 printf("%02x", (unsigned char)prop[k]);
2319 } else if (actual_type == XA_INTEGER &&
2320 actual_format == 32)
2322 printf("\t%s: %d (0x%08x)",
2323 XGetAtomName (dpy, props[j]),
2324 *(int32_t*)prop, *(uint32_t*)prop);
2326 if (propinfo->range && propinfo->num_values > 0) {
2327 printf(" range%s: ",
2328 (propinfo->num_values == 2) ? "" : "s");
2330 for (k = 0; k < propinfo->num_values / 2; k++)
2331 printf(" (%ld,%ld)", propinfo->values[k * 2],
2332 propinfo->values[k * 2 + 1]);
2336 } else if (actual_type == XA_ATOM &&
2337 actual_format == 32)
2340 XGetAtomName (dpy, props[j]),
2341 XGetAtomName (dpy, *(Atom *)prop));
2343 if (!propinfo->range && propinfo->num_values > 0) {
2344 printf("\n\t\tsupported:");
2346 for (k = 0; k < propinfo->num_values; k++)
2348 printf(" %-12.12s", XGetAtomName (dpy,
2349 propinfo->values[k]));
2350 if (k % 4 == 3 && k < propinfo->num_values - 1)
2356 } else if (actual_format == 8) {
2357 printf ("\t\t%s: %s%s\n", XGetAtomName (dpy, props[j]),
2358 prop, bytes_after ? "..." : "");
2360 printf ("\t\t%s: ????\n", XGetAtomName (dpy, props[j]));
2365 printf(" </output>\n");
2370 for (j = 0; j < output_info->nmode; j++)
2372 XRRModeInfo *mode = find_mode_by_xid (output_info->modes[j]);
2375 printf (" %s (0x%lx) %6.1fMHz",
2376 mode->name, mode->id,
2377 (float)mode->dotClock / 1000000.0);
2378 for (f = 0; mode_flags[f].flag; f++)
2379 if (mode->modeFlags & mode_flags[f].flag)
2380 printf (" %s", mode_flags[f].string);
2382 printf (" h: width %4d start %4d end %4d total %4d skew %4d clock %6.1fKHz\n",
2383 mode->width, mode->hSyncStart, mode->hSyncEnd,
2384 mode->hTotal, mode->hSkew, mode_hsync (mode) / 1000);
2385 printf (" v: height %4d start %4d end %4d total %4d clock %6.1fHz\n",
2386 mode->height, mode->vSyncStart, mode->vSyncEnd, mode->vTotal,
2387 mode_refresh (mode));
2388 mode->modeFlags |= ModeShown;
2393 mode_shown = calloc (output_info->nmode, sizeof (Bool));
2394 if (!mode_shown) fatal ("out of memory\n");
2395 for (j = 0; j < output_info->nmode; j++)
2397 XRRModeInfo *jmode, *kmode;
2399 if (mode_shown[j]) continue;
2401 jmode = find_mode_by_xid (output_info->modes[j]);
2402 for (k = j; k < output_info->nmode; k++)
2404 if (mode_shown[k]) continue;
2405 kmode = find_mode_by_xid (output_info->modes[k]);
2406 if (strcmp (jmode->name, kmode->name) != 0) continue;
2407 mode_shown[k] = True;
2408 kmode->modeFlags |= ModeShown;
2409 printf (" <mode id=\"0x%lx\" name=\"%s\" w=\"%d\" h=\"%d\" hz=\"%.5f\"", kmode->id, kmode->name, kmode->width, kmode->height, mode_refresh (kmode));
2410 if (kmode == output->mode_info)
2411 printf (" current=\"true\"");
2413 printf (" current=\"false\"");
2414 if (k < output_info->npreferred)
2415 printf (" preferred=\"true\"");
2417 printf (" preferred=\"false\"");
2424 printf(" </output>\n");
2428 printf(" <unused>\n");
2429 for (m = 0; m < res->nmode; m++)
2431 XRRModeInfo *mode = &res->modes[m];
2433 if (!(mode->modeFlags & ModeShown))
2435 printf (" <modeline name=\"%s\" id=\"%x\" mhz=\"%.1f\"",
2436 mode->name, mode->id,
2437 (float)mode->dotClock / 1000000.0);
2438 printf (" hwidth=\"%d\" hstart=\"%d\" hend=\"%d\" htotal=\"%d\" hskew=\"%d=\" hclock=\"%.1fKHz\"",
2439 mode->width, mode->hSyncStart, mode->hSyncEnd,
2440 mode->hTotal, mode->hSkew, mode_hsync (mode) / 1000);
2441 printf (" vheight=\"%d\" vstart=\"%d\" vend=\"%d\" vtotal=\"%d\" vclock=\"%.1fHz\"/>\n",
2442 mode->height, mode->vSyncStart, mode->vSyncEnd, mode->vTotal,
2443 mode_refresh (mode));
2446 printf(" </unused>\n");
2448 printf("</screen>\n");
2453 sc = XRRGetScreenInfo (dpy, root);
2458 current_size = XRRConfigCurrentConfiguration (sc, ¤t_rotation);
2460 sizes = XRRConfigSizes(sc, &nsize);
2462 if (have_pixel_size) {
2463 for (size = 0; size < nsize; size++)
2465 if (sizes[size].width == width && sizes[size].height == height)
2468 if (size >= nsize) {
2470 "Size %dx%d not found in available modes\n", width, height);
2475 size = current_size;
2476 else if (size >= nsize) {
2478 "Size index %d is too large, there are only %d sizes\n",
2485 for (rot = 0; rot < 4; rot++)
2486 if (1 << rot == (current_rotation & 0xf))
2490 current_rate = XRRConfigCurrentRate (sc);
2494 if (size == current_size)
2495 rate = current_rate;
2501 rates = XRRConfigRates (sc, size, &nrate);
2502 for (i = 0; i < nrate; i++)
2503 if (rate == rates[i])
2506 fprintf (stderr, "Rate %.1f Hz not available for this size\n", rate);
2512 int major_version, minor_version;
2513 XRRQueryVersion (dpy, &major_version, &minor_version);
2514 printf("Server reports RandR version %d.%d\n",
2515 major_version, minor_version);
2518 if (query || query_1) {
2519 printf(" SZ: Pixels Physical Refresh\n");
2520 for (i = 0; i < nsize; i++) {
2521 printf ("%c%-2d %5d x %-5d (%4dmm x%4dmm )",
2522 i == current_size ? '*' : ' ',
2523 i, sizes[i].width, sizes[i].height,
2524 sizes[i].mwidth, sizes[i].mheight);
2525 rates = XRRConfigRates (sc, i, &nrate);
2526 if (nrate) printf (" ");
2527 for (j = 0; j < nrate; j++)
2529 i == current_size && rates[j] == current_rate ? '*' : ' ',
2535 rotations = XRRConfigRotations(sc, ¤t_rotation);
2537 rotation = 1 << rot ;
2539 printf("Current rotation - %s\n",
2540 rotation_name (current_rotation));
2542 printf("Current reflection - %s\n",
2543 reflection_name (current_rotation));
2545 printf ("Rotations possible - ");
2546 for (i = 0; i < 4; i ++) {
2547 if ((rotations >> i) & 1) printf("%s ", direction[i]);
2551 printf ("Reflections possible - ");
2552 if (rotations & (RR_Reflect_X|RR_Reflect_Y))
2554 if (rotations & RR_Reflect_X) printf ("X Axis ");
2555 if (rotations & RR_Reflect_Y) printf ("Y Axis");
2563 printf("Setting size to %d, rotation to %s\n", size, direction[rot]);
2565 printf ("Setting reflection on ");
2568 if (reflection & RR_Reflect_X) printf ("X Axis ");
2569 if (reflection & RR_Reflect_Y) printf ("Y Axis");
2572 printf ("neither axis");
2575 if (reflection & RR_Reflect_X) printf("Setting reflection on X axis\n");
2577 if (reflection & RR_Reflect_Y) printf("Setting reflection on Y axis\n");
2580 /* we should test configureNotify on the root window */
2581 XSelectInput (dpy, root, StructureNotifyMask);
2583 if (setit && !dryrun) XRRSelectInput (dpy, root,
2584 RRScreenChangeNotifyMask);
2585 if (setit && !dryrun) status = XRRSetScreenConfigAndRate (dpy, sc,
2586 DefaultRootWindow (dpy),
2587 (SizeID) size, (Rotation) (rotation | reflection), rate, CurrentTime);
2589 XRRQueryExtension(dpy, &event_base, &error_base);
2591 if (setit && !dryrun && status == RRSetConfigFailed) {
2592 printf ("Failed to change the screen configuration!\n");
2596 if (verbose && setit && !dryrun && size != current_size) {
2597 if (status == RRSetConfigSuccess)
2599 Bool seen_screen = False;
2600 while (!seen_screen) {
2602 XNextEvent(dpy, (XEvent *) &event);
2604 printf ("Event received, type = %d\n", event.type);
2605 /* update Xlib's knowledge of the event */
2606 XRRUpdateConfiguration ((XEvent*)&event);
2607 if (event.type == ConfigureNotify)
2608 printf("Received ConfigureNotify Event!\n");
2610 switch (event.type - event_base) {
2611 case RRScreenChangeNotify:
2612 sce = (XRRScreenChangeNotifyEvent *) &event;
2614 printf("Got a screen change notify event!\n");
2615 printf(" window = %d\n root = %d\n size_index = %d\n rotation %d\n",
2616 (int) sce->window, (int) sce->root,
2617 sce->size_index, sce->rotation);
2618 printf(" timestamp = %ld, config_timestamp = %ld\n",
2619 sce->timestamp, sce->config_timestamp);
2620 printf(" Rotation = %x\n", sce->rotation);
2621 printf(" %d X %d pixels, %d X %d mm\n",
2622 sce->width, sce->height, sce->mwidth, sce->mheight);
2623 printf("Display width %d, height %d\n",
2624 DisplayWidth(dpy, screen), DisplayHeight(dpy, screen));
2625 printf("Display widthmm %d, heightmm %d\n",
2626 DisplayWidthMM(dpy, screen), DisplayHeightMM(dpy, screen));
2627 spo = sce->subpixel_order;
2628 if ((spo < 0) || (spo > 5))
2629 printf ("Unknown subpixel order, value = %d\n", spo);
2630 else printf ("new Subpixel rendering model is %s\n", order[spo]);
2634 if (event.type != ConfigureNotify)
2635 printf("unknown event received, type = %d!\n", event.type);
2640 XRRFreeScreenConfigInfo(sc);