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 */
42 static char *program_name;
45 static int screen = -1;
46 static Bool verbose = False;
47 static Bool automatic = False;
48 static Bool properties = False;
49 static Bool grab_server = True;
50 static Bool no_primary = False;
52 static char *direction[5] = {
59 static char *reflections[5] = {
67 static char *order[6] = {
79 { "+HSync", RR_HSyncPositive },
80 { "-HSync", RR_HSyncNegative },
81 { "+VSync", RR_VSyncPositive },
82 { "-VSync", RR_VSyncNegative },
83 { "Interlace", RR_Interlace },
84 { "DoubleScan", RR_DoubleScan },
85 { "CSync", RR_CSync },
86 { "+CSync", RR_CSyncPositive },
87 { "-CSync", RR_CSyncNegative },
91 static void _X_NORETURN
94 fprintf(stderr, "usage: %s [options]\n", program_name);
95 fprintf(stderr, " where options are:\n");
96 fprintf(stderr, " -display <display> or -d <display>\n");
97 fprintf(stderr, " -help\n");
98 fprintf(stderr, " -o <normal,inverted,left,right,0,1,2,3>\n");
99 fprintf(stderr, " or --orientation <normal,inverted,left,right,0,1,2,3>\n");
100 fprintf(stderr, " -q or --query\n");
101 fprintf(stderr, " -s <size>/<width>x<height> or --size <size>/<width>x<height>\n");
102 fprintf(stderr, " -r <rate> or --rate <rate> or --refresh <rate>\n");
103 fprintf(stderr, " -v or --version\n");
104 fprintf(stderr, " -x (reflect in x)\n");
105 fprintf(stderr, " -y (reflect in y)\n");
106 fprintf(stderr, " --screen <screen>\n");
107 fprintf(stderr, " --verbose\n");
108 fprintf(stderr, " --current\n");
109 fprintf(stderr, " --dryrun\n");
110 fprintf(stderr, " --nograb\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");
115 fprintf(stderr, " --output <output>\n");
116 fprintf(stderr, " --auto\n");
117 fprintf(stderr, " --mode <mode>\n");
118 fprintf(stderr, " --preferred\n");
119 fprintf(stderr, " --pos <x>x<y>\n");
120 fprintf(stderr, " --rate <rate> or --refresh <rate>\n");
121 fprintf(stderr, " --reflect normal,x,y,xy\n");
122 fprintf(stderr, " --rotate normal,inverted,left,right\n");
123 fprintf(stderr, " --left-of <output>\n");
124 fprintf(stderr, " --right-of <output>\n");
125 fprintf(stderr, " --above <output>\n");
126 fprintf(stderr, " --below <output>\n");
127 fprintf(stderr, " --same-as <output>\n");
128 fprintf(stderr, " --set <property> <value>\n");
129 fprintf(stderr, " --scale <x>x<y>\n");
130 fprintf(stderr, " --transform <a>,<b>,<c>,<d>,<e>,<f>,<g>,<h>,<i>\n");
131 fprintf(stderr, " --off\n");
132 fprintf(stderr, " --crtc <crtc>\n");
133 fprintf(stderr, " --panning <w>x<h>[+<x>+<y>[/<track:w>x<h>+<x>+<y>[/<border:l>/<t>/<r>/<b>]]]\n");
134 fprintf(stderr, " --gamma <r>:<g>:<b>\n");
135 fprintf(stderr, " --primary\n");
136 fprintf(stderr, " --noprimary\n");
137 fprintf(stderr, " --newmode <name> <clock MHz>\n");
138 fprintf(stderr, " <hdisp> <hsync-start> <hsync-end> <htotal>\n");
139 fprintf(stderr, " <vdisp> <vsync-start> <vsync-end> <vtotal>\n");
140 fprintf(stderr, " [flags...]\n");
141 fprintf(stderr, " Valid flags: +HSync -HSync +VSync -VSync\n");
142 fprintf(stderr, " +CSync -CSync CSync Interlace DoubleScan\n");
143 fprintf(stderr, " --rmmode <name>\n");
144 fprintf(stderr, " --addmode <output> <name>\n");
145 fprintf(stderr, " --delmode <output> <name>\n");
151 static void _X_NORETURN
152 fatal (const char *format, ...)
156 va_start (ap, format);
157 fprintf (stderr, "%s: ", program_name);
158 vfprintf (stderr, format, ap);
165 warning (const char *format, ...)
169 va_start (ap, format);
170 fprintf (stderr, "%s: ", program_name);
171 vfprintf (stderr, format, ap);
175 /* Because fmin requires C99 suppport */
176 static inline double dmin (double x, double y)
178 return x < y ? x : y;
182 rotation_name (Rotation rotation)
186 if ((rotation & 0xf) == 0)
188 for (i = 0; i < 4; i++)
189 if (rotation & (1 << i))
191 return "invalid rotation";
195 reflection_name (Rotation rotation)
197 rotation &= (RR_Reflect_X|RR_Reflect_Y);
205 case RR_Reflect_X|RR_Reflect_Y:
206 return "X and Y axis";
208 return "invalid reflection";
211 typedef enum _relation {
220 int x, y, width, height;
231 typedef enum _changes {
233 changes_crtc = (1 << 0),
234 changes_mode = (1 << 1),
235 changes_relation = (1 << 2),
236 changes_position = (1 << 3),
237 changes_rotation = (1 << 4),
238 changes_reflection = (1 << 5),
239 changes_automatic = (1 << 6),
240 changes_refresh = (1 << 7),
241 changes_property = (1 << 8),
242 changes_transform = (1 << 9),
243 changes_panning = (1 << 10),
244 changes_gamma = (1 << 11),
245 changes_primary = (1 << 12),
248 typedef enum _name_kind {
250 name_string = (1 << 0),
252 name_index = (1 << 2),
253 name_preferred = (1 << 3),
263 typedef struct _crtc crtc_t;
264 typedef struct _output output_t;
265 typedef struct _transform transform_t;
266 typedef struct _umode umode_t;
267 typedef struct _output_prop output_prop_t;
270 XTransform transform;
279 XRRCrtcInfo *crtc_info;
281 XRRModeInfo *mode_info;
282 XRRPanning *panning_info;
288 transform_t current_transform, pending_transform;
291 struct _output_prop {
292 struct _output_prop *next;
298 struct _output *next;
302 output_prop_t *props;
305 XRROutputInfo *output_info;
309 crtc_t *current_crtc_info;
313 XRRModeInfo *mode_info;
326 transform_t transform;
341 typedef enum _umode_action {
342 umode_create, umode_destroy, umode_add, umode_delete
349 umode_action_t action;
355 static char *connection[3] = {
358 "unknown connection"};
360 #define OUTPUT_NAME 1
364 #define CRTC_INDEX 0x40000000
373 static output_t *outputs = NULL;
374 static output_t **outputs_tail = &outputs;
375 static crtc_t *crtcs;
376 static umode_t *umodes;
377 static int num_crtcs;
378 static XRRScreenResources *res;
379 static int fb_width = 0, fb_height = 0;
380 static int fb_width_mm = 0, fb_height_mm = 0;
381 static double dpi = 0;
382 static char *dpi_output = NULL;
383 static Bool dryrun = False;
384 static int minWidth, maxWidth, minHeight, maxHeight;
385 static Bool has_1_2 = False;
386 static Bool has_1_3 = False;
389 mode_height (XRRModeInfo *mode_info, Rotation rotation)
391 switch (rotation & 0xf) {
394 return mode_info->height;
397 return mode_info->width;
404 mode_width (XRRModeInfo *mode_info, Rotation rotation)
406 switch (rotation & 0xf) {
409 return mode_info->width;
412 return mode_info->height;
419 transform_point (XTransform *transform, double *xp, double *yp)
429 for (j = 0; j < 3; j++)
432 for (i = 0; i < 3; i++)
433 v += (XFixedToDouble (transform->matrix[j][i]) * vector[i]);
434 if (v > 32767 || v < -32767)
440 for (j = 0; j < 2; j++)
441 vector[j] = result[j] / result[2];
448 path_bounds (XTransform *transform, point_t *points, int npoints, box_t *box)
453 for (i = 0; i < npoints; i++) {
457 transform_point (transform, &x, &y);
458 point.x1 = floor (x);
459 point.y1 = floor (y);
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;
474 mode_geometry (XRRModeInfo *mode_info, Rotation rotation,
475 XTransform *transform,
479 int width = mode_width (mode_info, rotation);
480 int height = mode_height (mode_info, rotation);
490 path_bounds (transform, rect, 4, bounds);
493 /* v refresh frequency in Hz */
495 mode_refresh (XRRModeInfo *mode_info)
499 if (mode_info->hTotal && mode_info->vTotal)
500 rate = ((double) mode_info->dotClock /
501 ((double) mode_info->hTotal * (double) mode_info->vTotal));
507 /* h sync frequency in Hz */
509 mode_hsync (XRRModeInfo *mode_info)
513 if (mode_info->hTotal)
514 rate = (double) mode_info->dotClock / (double) mode_info->hTotal;
521 init_name (name_t *name)
523 name->kind = name_none;
527 set_name_string (name_t *name, char *string)
529 name->kind |= name_string;
530 name->string = string;
534 set_name_xid (name_t *name, XID xid)
536 name->kind |= name_xid;
541 set_name_index (name_t *name, int index)
543 name->kind |= name_index;
548 set_name_preferred (name_t *name)
550 name->kind |= name_preferred;
554 set_name_all (name_t *name, name_t *old)
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;
566 set_name (name_t *name, char *string, name_kind_t valid)
568 unsigned int xid; /* don't make it XID (which is unsigned long):
569 scanf() takes unsigned int */
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);
583 init_transform (transform_t *transform)
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;
595 set_transform (transform_t *dest,
596 XTransform *transform,
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));
609 copy_transform (transform_t *dest, transform_t *src)
611 set_transform (dest, &src->transform,
612 src->filter, src->params, src->nparams);
616 equal_transform (transform_t *a, transform_t *b)
618 if (memcmp (&a->transform, &b->transform, sizeof (XTransform)) != 0)
620 if (strcmp (a->filter, b->filter) != 0)
622 if (a->nparams != b->nparams)
624 if (memcmp (a->params, b->params, a->nparams * sizeof (XFixed)) != 0)
632 output_t *output = calloc (1, sizeof (output_t));
635 fatal ("out of memory\n");
637 output->found = False;
638 output->brightness = 1.0;
639 *outputs_tail = output;
640 outputs_tail = &output->next;
645 find_output (name_t *name)
649 for (output = outputs; output; output = output->next)
651 name_kind_t common = name->kind & output->output.kind;
653 if ((common & name_xid) && name->xid == output->output.xid)
655 if ((common & name_string) && !strcmp (name->string, output->output.string))
657 if ((common & name_index) && name->index == output->output.index)
664 find_output_by_xid (RROutput output)
668 init_name (&output_name);
669 set_name_xid (&output_name, output);
670 return find_output (&output_name);
674 find_output_by_name (char *name)
678 init_name (&output_name);
679 set_name_string (&output_name, name);
680 return find_output (&output_name);
684 find_crtc (name_t *name)
689 for (c = 0; c < num_crtcs; c++)
694 common = name->kind & crtc->crtc.kind;
696 if ((common & name_xid) && name->xid == crtc->crtc.xid)
698 if ((common & name_string) && !strcmp (name->string, crtc->crtc.string))
700 if ((common & name_index) && name->index == crtc->crtc.index)
708 find_crtc_by_xid (RRCrtc crtc)
712 init_name (&crtc_name);
713 set_name_xid (&crtc_name, crtc);
714 return find_crtc (&crtc_name);
718 find_mode (name_t *name, double refresh)
721 XRRModeInfo *best = NULL;
724 for (m = 0; m < res->nmode; m++)
726 XRRModeInfo *mode = &res->modes[m];
727 if ((name->kind & name_xid) && name->xid == mode->id)
732 if ((name->kind & name_string) && !strcmp (name->string, mode->name))
737 dist = fabs (mode_refresh (mode) - refresh);
740 if (!best || dist < bestDist)
751 find_mode_by_xid (RRMode mode)
755 init_name (&mode_name);
756 set_name_xid (&mode_name, mode);
757 return find_mode (&mode_name, 0);
762 find_mode_by_name (char *name)
765 init_name (&mode_name);
766 set_name_string (&mode_name, name);
767 return find_mode (&mode_name, 0);
773 find_mode_for_output (output_t *output, name_t *name)
775 XRROutputInfo *output_info = output->output_info;
777 XRRModeInfo *best = NULL;
780 for (m = 0; m < output_info->nmode; m++)
784 mode = find_mode_by_xid (output_info->modes[m]);
786 if ((name->kind & name_xid) && name->xid == mode->id)
791 if ((name->kind & name_string) && !strcmp (name->string, mode->name))
795 /* Stay away from doublescan modes unless refresh rate is specified. */
796 if (!output->refresh && (mode->modeFlags & RR_DoubleScan))
800 dist = fabs (mode_refresh (mode) - output->refresh);
803 if (!best || dist < bestDist)
814 preferred_mode (output_t *output)
816 XRROutputInfo *output_info = output->output_info;
823 for (m = 0; m < output_info->nmode; m++)
825 XRRModeInfo *mode_info = find_mode_by_xid (output_info->modes[m]);
828 if (m < output_info->npreferred)
830 else if (output_info->mm_height)
831 dist = (1000 * DisplayHeight(dpy, screen) / DisplayHeightMM(dpy, screen) -
832 1000 * mode_info->height / output_info->mm_height);
834 dist = DisplayHeight(dpy, screen) - mode_info->height;
836 if (dist < 0) dist = -dist;
837 if (!best || dist < bestDist)
847 output_can_use_crtc (output_t *output, crtc_t *crtc)
849 XRROutputInfo *output_info = output->output_info;
852 for (c = 0; c < output_info->ncrtc; c++)
853 if (output_info->crtcs[c] == crtc->crtc.xid)
859 output_can_use_mode (output_t *output, XRRModeInfo *mode)
861 XRROutputInfo *output_info = output->output_info;
864 for (m = 0; m < output_info->nmode; m++)
865 if (output_info->modes[m] == mode->id)
871 crtc_can_use_rotation (crtc_t *crtc, Rotation rotation)
873 Rotation rotations = crtc->crtc_info->rotations;
874 Rotation dir = rotation & (RR_Rotate_0|RR_Rotate_90|RR_Rotate_180|RR_Rotate_270);
875 Rotation reflect = rotation & (RR_Reflect_X|RR_Reflect_Y);
876 if (((rotations & dir) != 0) && ((rotations & reflect) == reflect))
883 crtc_can_use_transform (crtc_t *crtc, XTransform *transform)
887 XRRQueryVersion (dpy, &major, &minor);
888 if (major > 1 || (major == 1 && minor >= 3))
895 * Report only rotations that are supported by all crtcs
898 output_rotations (output_t *output)
901 Rotation rotation = RR_Rotate_0;
902 XRROutputInfo *output_info = output->output_info;
905 for (c = 0; c < output_info->ncrtc; c++)
907 crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[c]);
911 rotation = crtc->crtc_info->rotations;
914 rotation &= crtc->crtc_info->rotations;
921 output_can_use_rotation (output_t *output, Rotation rotation)
923 XRROutputInfo *output_info = output->output_info;
926 /* make sure all of the crtcs can use this rotation.
927 * yes, this is not strictly necessary, but it is
928 * simpler,and we expect most drivers to either
929 * support rotation everywhere or nowhere
931 for (c = 0; c < output_info->ncrtc; c++)
933 crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[c]);
934 if (crtc && !crtc_can_use_rotation (crtc, rotation))
941 output_is_primary(output_t *output)
944 return XRRGetOutputPrimary(dpy, root) == output->output.xid;
948 /* Returns the index of the last value in an array < 0xffff */
950 find_last_non_clamped(CARD16 array[], int size) {
952 for (i = size - 1; i > 0; i--) {
953 if (array[i] < 0xffff)
960 set_gamma_info(output_t *output)
963 double i1, v1, i2, v2;
964 int size, middle, last_best, last_red, last_green, last_blue;
967 if (!output->crtc_info)
970 size = XRRGetCrtcGammaSize(dpy, output->crtc_info->crtc.xid);
972 warning("Failed to get size of gamma for output %s\n", output->output.string);
976 gamma = XRRGetCrtcGamma(dpy, output->crtc_info->crtc.xid);
978 warning("Failed to get gamma for output %s\n", output->output.string);
983 * Here is a bit tricky because gamma is a whole curve for each
984 * color. So, typically, we need to represent 3 * 256 values as 3 + 1
985 * values. Therefore, we approximate the gamma curve (v) by supposing
986 * it always follows the way we set it: a power function (i^g)
987 * multiplied by a brightness (b).
989 * so g = (ln(v) - ln(b))/ln(i)
990 * and b can be found using two points (v1,i1) and (v2, i2):
991 * b = e^((ln(v2)*ln(i1) - ln(v1)*ln(i2))/ln(i1/i2))
992 * For the best resolution, we select i2 at the highest place not
993 * clamped and i1 at i2/2. Note that if i2 = 1 (as in most normal
994 * cases), then b = v2.
996 last_red = find_last_non_clamped(gamma->red, size);
997 last_green = find_last_non_clamped(gamma->green, size);
998 last_blue = find_last_non_clamped(gamma->blue, size);
999 best_array = gamma->red;
1000 last_best = last_red;
1001 if (last_green > last_best) {
1002 last_best = last_green;
1003 best_array = gamma->green;
1005 if (last_blue > last_best) {
1006 last_best = last_blue;
1007 best_array = gamma->blue;
1012 middle = last_best / 2;
1013 i1 = (double)(middle + 1) / size;
1014 v1 = (double)(best_array[middle]) / 65535;
1015 i2 = (double)(last_best + 1) / size;
1016 v2 = (double)(best_array[last_best]) / 65535;
1017 if (v2 < 0.0001) { /* The screen is black */
1018 output->brightness = 0;
1019 output->gamma.red = 1;
1020 output->gamma.green = 1;
1021 output->gamma.blue = 1;
1023 if ((last_best + 1) == size)
1024 output->brightness = v2;
1026 output->brightness = exp((log(v2)*log(i1) - log(v1)*log(i2))/log(i1/i2));
1027 output->gamma.red = log((double)(gamma->red[last_red / 2]) / output->brightness
1028 / 65535) / log((double)((last_red / 2) + 1) / size);
1029 output->gamma.green = log((double)(gamma->green[last_green / 2]) / output->brightness
1030 / 65535) / log((double)((last_green / 2) + 1) / size);
1031 output->gamma.blue = log((double)(gamma->blue[last_blue / 2]) / output->brightness
1032 / 65535) / log((double)((last_blue / 2) + 1) / size);
1035 XRRFreeGamma(gamma);
1039 set_output_info (output_t *output, RROutput xid, XRROutputInfo *output_info)
1041 /* sanity check output info */
1042 if (output_info->connection != RR_Disconnected && !output_info->nmode)
1043 warning ("Output %s is not disconnected but has no modes\n",
1046 /* set output name and info */
1047 if (!(output->output.kind & name_xid))
1048 set_name_xid (&output->output, xid);
1049 if (!(output->output.kind & name_string))
1050 set_name_string (&output->output, output_info->name);
1051 output->output_info = output_info;
1053 /* set crtc name and info */
1054 if (!(output->changes & changes_crtc))
1055 set_name_xid (&output->crtc, output_info->crtc);
1057 if (output->crtc.kind == name_xid && output->crtc.xid == None)
1058 output->crtc_info = NULL;
1061 output->crtc_info = find_crtc (&output->crtc);
1062 if (!output->crtc_info)
1064 if (output->crtc.kind & name_xid)
1065 fatal ("cannot find crtc 0x%x\n", output->crtc.xid);
1066 if (output->crtc.kind & name_index)
1067 fatal ("cannot find crtc %d\n", output->crtc.index);
1069 if (!output_can_use_crtc (output, output->crtc_info))
1070 fatal ("output %s cannot use crtc 0x%x\n", output->output.string,
1071 output->crtc_info->crtc.xid);
1074 /* set mode name and info */
1075 if (!(output->changes & changes_mode))
1077 crtc_t *crtc = NULL;
1079 if (output_info->crtc)
1080 crtc = find_crtc_by_xid(output_info->crtc);
1081 if (crtc && crtc->crtc_info)
1082 set_name_xid (&output->mode, crtc->crtc_info->mode);
1083 else if (output->crtc_info)
1084 set_name_xid (&output->mode, output->crtc_info->crtc_info->mode);
1086 set_name_xid (&output->mode, None);
1087 if (output->mode.xid)
1089 output->mode_info = find_mode_by_xid (output->mode.xid);
1090 if (!output->mode_info)
1091 fatal ("server did not report mode 0x%x for output %s\n",
1092 output->mode.xid, output->output.string);
1095 output->mode_info = NULL;
1097 else if (output->mode.kind == name_xid && output->mode.xid == None)
1098 output->mode_info = NULL;
1101 if (output->mode.kind == name_preferred)
1102 output->mode_info = preferred_mode (output);
1104 output->mode_info = find_mode_for_output (output, &output->mode);
1105 if (!output->mode_info)
1107 if (output->mode.kind & name_preferred)
1108 fatal ("cannot find preferred mode\n");
1109 if (output->mode.kind & name_string)
1110 fatal ("cannot find mode %s\n", output->mode.string);
1111 if (output->mode.kind & name_xid)
1112 fatal ("cannot find mode 0x%x\n", output->mode.xid);
1114 if (!output_can_use_mode (output, output->mode_info))
1115 fatal ("output %s cannot use mode %s\n", output->output.string,
1116 output->mode_info->name);
1120 if (!(output->changes & changes_position))
1122 if (output->crtc_info)
1124 output->x = output->crtc_info->crtc_info->x;
1125 output->y = output->crtc_info->crtc_info->y;
1135 if (!(output->changes & changes_rotation))
1137 output->rotation &= ~0xf;
1138 if (output->crtc_info)
1139 output->rotation |= (output->crtc_info->crtc_info->rotation & 0xf);
1141 output->rotation = RR_Rotate_0;
1143 if (!(output->changes & changes_reflection))
1145 output->rotation &= ~(RR_Reflect_X|RR_Reflect_Y);
1146 if (output->crtc_info)
1147 output->rotation |= (output->crtc_info->crtc_info->rotation &
1148 (RR_Reflect_X|RR_Reflect_Y));
1150 if (!output_can_use_rotation (output, output->rotation))
1151 fatal ("output %s cannot use rotation \"%s\" reflection \"%s\"\n",
1152 output->output.string,
1153 rotation_name (output->rotation),
1154 reflection_name (output->rotation));
1157 if (!(output->changes & changes_gamma))
1158 set_gamma_info(output);
1160 /* set transformation */
1161 if (!(output->changes & changes_transform))
1163 if (output->crtc_info)
1164 copy_transform (&output->transform, &output->crtc_info->current_transform);
1166 init_transform (&output->transform);
1170 if (!(output->changes & changes_primary))
1171 output->primary = output_is_primary(output);
1175 get_screen (Bool current)
1178 fatal ("Server RandR version before 1.2\n");
1180 XRRGetScreenSizeRange (dpy, root, &minWidth, &minHeight,
1181 &maxWidth, &maxHeight);
1184 res = XRRGetScreenResourcesCurrent (dpy, root);
1186 res = XRRGetScreenResources (dpy, root);
1187 if (!res) fatal ("could not get screen resources");
1195 num_crtcs = res->ncrtc;
1196 crtcs = calloc (num_crtcs, sizeof (crtc_t));
1197 if (!crtcs) fatal ("out of memory\n");
1199 for (c = 0; c < res->ncrtc; c++)
1201 XRRCrtcInfo *crtc_info = XRRGetCrtcInfo (dpy, res, res->crtcs[c]);
1202 XRRCrtcTransformAttributes *attr;
1203 XRRPanning *panning_info = NULL;
1207 memset(&zero, 0, sizeof(zero));
1208 panning_info = XRRGetPanning (dpy, res, res->crtcs[c]);
1209 zero.timestamp = panning_info->timestamp;
1210 if (!memcmp(panning_info, &zero, sizeof(zero))) {
1211 Xfree(panning_info);
1212 panning_info = NULL;
1216 set_name_xid (&crtcs[c].crtc, res->crtcs[c]);
1217 set_name_index (&crtcs[c].crtc, c);
1218 if (!crtc_info) fatal ("could not get crtc 0x%x information\n", res->crtcs[c]);
1219 crtcs[c].crtc_info = crtc_info;
1220 crtcs[c].panning_info = panning_info;
1221 if (crtc_info->mode == None)
1223 crtcs[c].mode_info = NULL;
1226 crtcs[c].rotation = RR_Rotate_0;
1228 if (XRRGetCrtcTransform (dpy, res->crtcs[c], &attr) && attr) {
1229 set_transform (&crtcs[c].current_transform,
1230 &attr->currentTransform,
1231 attr->currentFilter,
1232 attr->currentParams,
1233 attr->currentNparams);
1238 init_transform (&crtcs[c].current_transform);
1240 copy_transform (&crtcs[c].pending_transform, &crtcs[c].current_transform);
1245 crtc_add_output (crtc_t *crtc, output_t *output)
1248 crtc->outputs = realloc (crtc->outputs, (crtc->noutput + 1) * sizeof (output_t *));
1251 crtc->outputs = malloc (sizeof (output_t *));
1252 crtc->x = output->x;
1253 crtc->y = output->y;
1254 crtc->rotation = output->rotation;
1255 crtc->mode_info = output->mode_info;
1256 copy_transform (&crtc->pending_transform, &output->transform);
1258 if (!crtc->outputs) fatal ("out of memory\n");
1259 crtc->outputs[crtc->noutput++] = output;
1267 for (output = outputs; output; output = output->next)
1269 if (!output->mode_info) continue;
1270 crtc_add_output (output->crtc_info, output);
1279 for (output = outputs; output; output = output->next)
1281 if (! output->crtc_info)
1283 if (! (output->changes & changes_panning))
1285 if (! output->crtc_info->panning_info)
1286 output->crtc_info->panning_info = malloc (sizeof(XRRPanning));
1287 memcpy (output->crtc_info->panning_info, &output->panning, sizeof(XRRPanning));
1288 output->crtc_info->changing = 1;
1297 for (output = outputs; output; output = output->next) {
1300 XRRCrtcGamma *gamma;
1302 if (!(output->changes & changes_gamma))
1305 if (!output->crtc_info) {
1306 fatal("Need crtc to set gamma on.\n");
1310 crtc = output->crtc_info;
1312 size = XRRGetCrtcGammaSize(dpy, crtc->crtc.xid);
1315 fatal("Gamma size is 0.\n");
1319 gamma = XRRAllocGamma(size);
1321 fatal("Gamma allocation failed.\n");
1325 if(output->gamma.red == 0.0 && output->gamma.green == 0.0 && output->gamma.blue == 0.0)
1326 output->gamma.red = output->gamma.green = output->gamma.blue = 1.0;
1328 for (i = 0; i < size; i++) {
1329 if (output->gamma.red == 1.0 && output->brightness == 1.0)
1330 gamma->red[i] = (i << 8) + i;
1332 gamma->red[i] = dmin(pow((double)i/(double)(size - 1),
1333 output->gamma.red) * output->brightness,
1336 if (output->gamma.green == 1.0 && output->brightness == 1.0)
1337 gamma->green[i] = (i << 8) + i;
1339 gamma->green[i] = dmin(pow((double)i/(double)(size - 1),
1340 output->gamma.green) * output->brightness,
1343 if (output->gamma.blue == 1.0 && output->brightness == 1.0)
1344 gamma->blue[i] = (i << 8) + i;
1346 gamma->blue[i] = dmin(pow((double)i/(double)(size - 1),
1347 output->gamma.blue) * output->brightness,
1351 XRRSetCrtcGamma(dpy, crtc->crtc.xid, gamma);
1363 XRRSetOutputPrimary(dpy, root, None);
1365 for (output = outputs; output; output = output->next) {
1366 if (!(output->changes & changes_primary))
1368 if (output->primary)
1369 XRRSetOutputPrimary(dpy, root, output->output.xid);
1375 crtc_disable (crtc_t *crtc)
1378 printf ("crtc %d: disable\n", crtc->crtc.index);
1381 return RRSetConfigSuccess;
1382 return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime,
1383 0, 0, None, RR_Rotate_0, NULL, 0);
1387 crtc_set_transform (crtc_t *crtc, transform_t *transform)
1391 XRRQueryVersion (dpy, &major, &minor);
1392 if (major > 1 || (major == 1 && minor >= 3))
1393 XRRSetCrtcTransform (dpy, crtc->crtc.xid,
1394 &transform->transform,
1397 transform->nparams);
1401 crtc_revert (crtc_t *crtc)
1403 XRRCrtcInfo *crtc_info = crtc->crtc_info;
1406 printf ("crtc %d: revert\n", crtc->crtc.index);
1409 return RRSetConfigSuccess;
1411 if (!equal_transform (&crtc->current_transform, &crtc->pending_transform))
1412 crtc_set_transform (crtc, &crtc->current_transform);
1413 return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime,
1414 crtc_info->x, crtc_info->y,
1415 crtc_info->mode, crtc_info->rotation,
1416 crtc_info->outputs, crtc_info->noutput);
1420 crtc_apply (crtc_t *crtc)
1422 RROutput *rr_outputs;
1427 if (!crtc->changing || !crtc->mode_info)
1428 return RRSetConfigSuccess;
1430 rr_outputs = calloc (crtc->noutput, sizeof (RROutput));
1433 for (o = 0; o < crtc->noutput; o++)
1434 rr_outputs[o] = crtc->outputs[o]->output.xid;
1435 mode = crtc->mode_info->id;
1437 printf ("crtc %d: %12s %6.1f +%d+%d", crtc->crtc.index,
1438 crtc->mode_info->name, mode_refresh (crtc->mode_info),
1440 for (o = 0; o < crtc->noutput; o++)
1441 printf (" \"%s\"", crtc->outputs[o]->output.string);
1446 s = RRSetConfigSuccess;
1449 if (!equal_transform (&crtc->current_transform, &crtc->pending_transform))
1450 crtc_set_transform (crtc, &crtc->pending_transform);
1451 s = XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime,
1452 crtc->x, crtc->y, mode, crtc->rotation,
1453 rr_outputs, crtc->noutput);
1454 if (s == RRSetConfigSuccess && crtc->panning_info) {
1456 s = XRRSetPanning (dpy, res, crtc->crtc.xid, crtc->panning_info);
1458 fatal ("panning needs RandR 1.3\n");
1466 screen_revert (void)
1469 printf ("screen %d: revert\n", screen);
1473 XRRSetScreenSize (dpy, root,
1474 DisplayWidth (dpy, screen),
1475 DisplayHeight (dpy, screen),
1476 DisplayWidthMM (dpy, screen),
1477 DisplayHeightMM (dpy, screen));
1483 if (fb_width == DisplayWidth (dpy, screen) &&
1484 fb_height == DisplayHeight (dpy, screen) &&
1485 fb_width_mm == DisplayWidthMM (dpy, screen) &&
1486 fb_height_mm == DisplayHeightMM (dpy, screen))
1491 printf ("screen %d: %dx%d %dx%d mm %6.2fdpi\n", screen,
1492 fb_width, fb_height, fb_width_mm, fb_height_mm, dpi);
1495 XRRSetScreenSize (dpy, root, fb_width, fb_height,
1496 fb_width_mm, fb_height_mm);
1504 /* first disable all crtcs */
1505 for (c = 0; c < res->ncrtc; c++)
1506 crtc_disable (&crtcs[c]);
1507 /* next reset screen size */
1509 /* now restore all crtcs */
1510 for (c = 0; c < res->ncrtc; c++)
1511 crtc_revert (&crtcs[c]);
1515 * uh-oh, something bad happened in the middle of changing
1516 * the configuration. Revert to the previous configuration
1519 static void _X_NORETURN
1520 panic (Status s, crtc_t *crtc)
1522 int c = crtc->crtc.index;
1526 case RRSetConfigSuccess: message = "succeeded"; break;
1527 case BadAlloc: message = "out of memory"; break;
1528 case RRSetConfigFailed: message = "failed"; break;
1529 case RRSetConfigInvalidConfigTime: message = "invalid config time"; break;
1530 case RRSetConfigInvalidTime: message = "invalid time"; break;
1531 default: message = "unknown failure"; break;
1534 fprintf (stderr, "%s: Configure crtc %d %s\n", program_name, c, message);
1546 * Hold the server grabbed while messing with
1547 * the screen so that apps which notice the resize
1548 * event and ask for xinerama information from the server
1549 * receive up-to-date information
1555 * Turn off any crtcs which are to be disabled or which are
1556 * larger than the target size
1558 for (c = 0; c < res->ncrtc; c++)
1560 crtc_t *crtc = &crtcs[c];
1561 XRRCrtcInfo *crtc_info = crtc->crtc_info;
1563 /* if this crtc is already disabled, skip it */
1564 if (crtc_info->mode == None)
1568 * If this crtc is to be left enabled, make
1569 * sure the old size fits then new screen
1571 if (crtc->mode_info)
1573 XRRModeInfo *old_mode = find_mode_by_xid (crtc_info->mode);
1578 panic (RRSetConfigFailed, crtc);
1580 /* old position and size information */
1581 mode_geometry (old_mode, crtc_info->rotation,
1582 &crtc->current_transform.transform,
1585 x = crtc_info->x + bounds.x1;
1586 y = crtc_info->y + bounds.y1;
1587 w = bounds.x2 - bounds.x1;
1588 h = bounds.y2 - bounds.y1;
1590 /* if it fits, skip it */
1591 if (x + w <= fb_width && y + h <= fb_height)
1593 crtc->changing = True;
1595 s = crtc_disable (crtc);
1596 if (s != RRSetConfigSuccess)
1601 * Set the screen size
1609 for (c = 0; c < res->ncrtc; c++)
1611 crtc_t *crtc = &crtcs[c];
1613 s = crtc_apply (crtc);
1614 if (s != RRSetConfigSuccess)
1621 * Release the server grab and let all clients
1622 * respond to the updated state
1625 XUngrabServer (dpy);
1629 * Use current output state to complete the output list
1637 for (o = 0; o < res->noutput; o++)
1639 XRROutputInfo *output_info = XRRGetOutputInfo (dpy, res, res->outputs[o]);
1642 if (!output_info) fatal ("could not get output 0x%x information\n", res->outputs[o]);
1643 set_name_xid (&output_name, res->outputs[o]);
1644 set_name_index (&output_name, o);
1645 set_name_string (&output_name, output_info->name);
1646 output = find_output (&output_name);
1649 output = add_output ();
1650 set_name_all (&output->output, &output_name);
1652 * When global --automatic mode is set, turn on connected but off
1653 * outputs, turn off disconnected but on outputs
1657 switch (output_info->connection) {
1659 if (!output_info->crtc) {
1660 output->changes |= changes_automatic;
1661 output->automatic = True;
1664 case RR_Disconnected:
1665 if (output_info->crtc)
1667 output->changes |= changes_automatic;
1668 output->automatic = True;
1674 output->found = True;
1677 * Automatic mode -- track connection state and enable/disable outputs
1680 if (output->automatic)
1682 switch (output_info->connection) {
1684 case RR_UnknownConnection:
1685 if ((!(output->changes & changes_mode)))
1687 set_name_preferred (&output->mode);
1688 output->changes |= changes_mode;
1691 case RR_Disconnected:
1692 if ((!(output->changes & changes_mode)))
1694 set_name_xid (&output->mode, None);
1695 set_name_xid (&output->crtc, None);
1696 output->changes |= changes_mode;
1697 output->changes |= changes_crtc;
1703 set_output_info (output, res->outputs[o], output_info);
1705 for (q = outputs; q; q = q->next)
1709 fprintf(stderr, "warning: output %s not found; ignoring\n",
1716 mark_changing_crtcs (void)
1720 for (c = 0; c < num_crtcs; c++)
1722 crtc_t *crtc = &crtcs[c];
1726 /* walk old output list (to catch disables) */
1727 for (o = 0; o < crtc->crtc_info->noutput; o++)
1729 output = find_output_by_xid (crtc->crtc_info->outputs[o]);
1730 if (!output) fatal ("cannot find output 0x%x\n",
1731 crtc->crtc_info->outputs[o]);
1732 if (output->changes)
1733 crtc->changing = True;
1735 /* walk new output list */
1736 for (o = 0; o < crtc->noutput; o++)
1738 output = crtc->outputs[o];
1739 if (output->changes)
1740 crtc->changing = True;
1746 * Test whether 'crtc' can be used for 'output'
1749 check_crtc_for_output (crtc_t *crtc, output_t *output)
1755 for (c = 0; c < output->output_info->ncrtc; c++)
1756 if (output->output_info->crtcs[c] == crtc->crtc.xid)
1758 if (c == output->output_info->ncrtc)
1760 for (other = outputs; other; other = other->next)
1762 if (other == output)
1765 if (other->mode_info == NULL)
1768 if (other->crtc_info != crtc)
1771 /* see if the output connected to the crtc can clone to this output */
1772 for (l = 0; l < output->output_info->nclone; l++)
1773 if (output->output_info->clones[l] == other->output.xid)
1775 /* not on the list, can't clone */
1776 if (l == output->output_info->nclone)
1782 /* make sure the state matches */
1783 if (crtc->mode_info != output->mode_info)
1785 if (crtc->x != output->x)
1787 if (crtc->y != output->y)
1789 if (crtc->rotation != output->rotation)
1791 if (!equal_transform (&crtc->current_transform, &output->transform))
1794 else if (crtc->crtc_info->noutput)
1796 /* make sure the state matches the already used state */
1797 XRRModeInfo *mode = find_mode_by_xid (crtc->crtc_info->mode);
1799 if (mode != output->mode_info)
1801 if (crtc->crtc_info->x != output->x)
1803 if (crtc->crtc_info->y != output->y)
1805 if (crtc->crtc_info->rotation != output->rotation)
1812 find_crtc_for_output (output_t *output)
1816 for (c = 0; c < output->output_info->ncrtc; c++)
1820 crtc = find_crtc_by_xid (output->output_info->crtcs[c]);
1821 if (!crtc) fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]);
1823 if (check_crtc_for_output (crtc, output))
1830 set_positions (void)
1841 for (output = outputs; output; output = output->next)
1844 name_t relation_name;
1846 if (!(output->changes & changes_relation)) continue;
1848 if (output->mode_info == NULL) continue;
1850 init_name (&relation_name);
1851 set_name_string (&relation_name, output->relative_to);
1852 relation = find_output (&relation_name);
1853 if (!relation) fatal ("cannot find output \"%s\"\n", output->relative_to);
1855 if (relation->mode_info == NULL)
1859 output->changes |= changes_position;
1864 * Make sure the dependent object has been set in place
1866 if ((relation->changes & changes_relation) &&
1867 !(relation->changes & changes_position))
1873 switch (output->relation) {
1874 case relation_left_of:
1875 output->y = relation->y;
1876 output->x = relation->x - mode_width (output->mode_info, output->rotation);
1878 case relation_right_of:
1879 output->y = relation->y;
1880 output->x = relation->x + mode_width (relation->mode_info, relation->rotation);
1882 case relation_above:
1883 output->x = relation->x;
1884 output->y = relation->y - mode_height (output->mode_info, output->rotation);
1886 case relation_below:
1887 output->x = relation->x;
1888 output->y = relation->y + mode_height (relation->mode_info, relation->rotation);
1890 case relation_same_as:
1891 output->x = relation->x;
1892 output->y = relation->y;
1894 output->changes |= changes_position;
1900 fatal ("loop in relative position specifications\n");
1904 * Now normalize positions so the upper left corner of all outputs is at 0,0
1908 for (output = outputs; output; output = output->next)
1910 if (output->mode_info == NULL) continue;
1912 if (output->x < min_x) min_x = output->x;
1913 if (output->y < min_y) min_y = output->y;
1917 /* move all outputs */
1918 for (output = outputs; output; output = output->next)
1920 if (output->mode_info == NULL) continue;
1924 output->changes |= changes_position;
1930 set_screen_size (void)
1933 Bool fb_specified = fb_width != 0 && fb_height != 0;
1935 for (output = outputs; output; output = output->next)
1937 XRRModeInfo *mode_info = output->mode_info;
1941 if (!mode_info) continue;
1943 mode_geometry (mode_info, output->rotation,
1944 &output->transform.transform,
1946 x = output->x + bounds.x1;
1947 y = output->y + bounds.y1;
1948 w = bounds.x2 - bounds.x1;
1949 h = bounds.y2 - bounds.y1;
1950 /* make sure output fits in specified size */
1953 if (x + w > fb_width || y + h > fb_height)
1954 warning ("specified screen %dx%d not large enough for output %s (%dx%d+%d+%d)\n",
1955 fb_width, fb_height, output->output.string, w, h, x, y);
1957 /* fit fb to output */
1961 if (x + w > fb_width)
1963 if (y + h > fb_height)
1965 if (output->changes & changes_panning)
1966 pan = &output->panning;
1968 pan = output->crtc_info ? output->crtc_info->panning_info : NULL;
1969 if (pan && pan->left + pan->width > fb_width)
1970 fb_width = pan->left + pan->width;
1971 if (pan && pan->top + pan->height > fb_height)
1972 fb_height = pan->top + pan->height;
1976 if (fb_width > maxWidth || fb_height > maxHeight)
1977 fatal ("screen cannot be larger than %dx%d (desired size %dx%d)\n",
1978 maxWidth, maxHeight, fb_width, fb_height);
1981 if (fb_width < minWidth || fb_height < minHeight)
1982 fatal ("screen must be at least %dx%d\n", minWidth, minHeight);
1986 if (fb_width < minWidth) fb_width = minWidth;
1987 if (fb_height < minHeight) fb_height = minHeight;
1993 disable_outputs (output_t *outputs)
1997 outputs->crtc_info = NULL;
1998 outputs = outputs->next;
2003 * find the best mapping from output to crtc available
2006 pick_crtcs_score (output_t *outputs)
2019 outputs = outputs->next;
2021 * Score with this output disabled
2023 output->crtc_info = NULL;
2024 best_score = pick_crtcs_score (outputs);
2025 if (output->mode_info == NULL)
2030 * Now score with this output any valid crtc
2032 for (c = 0; c < output->output_info->ncrtc; c++)
2036 crtc = find_crtc_by_xid (output->output_info->crtcs[c]);
2038 fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]);
2040 /* reset crtc allocation for following outputs */
2041 disable_outputs (outputs);
2042 if (!check_crtc_for_output (crtc, output))
2046 /* slight preference for existing connections */
2047 if (crtc == output->current_crtc_info)
2050 output->crtc_info = crtc;
2051 score = my_score + pick_crtcs_score (outputs);
2052 if (score > best_score)
2058 if (output->crtc_info != best_crtc)
2059 output->crtc_info = best_crtc;
2061 * Reset other outputs based on this one using the best crtc
2063 (void) pick_crtcs_score (outputs);
2069 * Pick crtcs for any changing outputs that don't have one
2077 * First try to match up newly enabled outputs with spare crtcs
2079 for (output = outputs; output; output = output->next)
2081 if (output->changes && output->mode_info)
2083 if (output->crtc_info) {
2084 if (output->crtc_info->crtc_info->noutput > 0 &&
2085 (output->crtc_info->crtc_info->noutput > 1 ||
2086 output != find_output_by_xid (output->crtc_info->crtc_info->outputs[0])))
2089 output->crtc_info = find_crtc_for_output (output);
2090 if (!output->crtc_info)
2101 * When the simple way fails, see if there is a way
2102 * to swap crtcs around and make things work
2104 for (output = outputs; output; output = output->next)
2105 output->current_crtc_info = output->crtc_info;
2106 pick_crtcs_score (outputs);
2107 for (output = outputs; output; output = output->next)
2109 if (output->mode_info && !output->crtc_info)
2110 fatal ("cannot find crtc for output %s\n", output->output.string);
2111 if (!output->changes && output->crtc_info != output->current_crtc_info)
2112 output->changes |= changes_crtc;
2117 check_strtol(char *s)
2120 int result = strtol(s, &endptr, 10);
2127 check_strtod(char *s)
2130 double result = strtod(s, &endptr);
2137 main (int argc, char **argv)
2139 XRRScreenSize *sizes;
2140 XRRScreenConfiguration *sc;
2144 Status status = RRSetConfigFailed;
2147 int action_requested = False;
2148 Rotation rotation, current_rotation, rotations;
2150 XRRScreenChangeNotifyEvent *sce;
2151 char *display_name = NULL;
2153 SizeID current_size;
2159 Bool version = False;
2160 int event_base, error_base;
2162 int width = 0, height = 0;
2163 Bool have_pixel_size = False;
2165 output_t *output = NULL;
2166 Bool setit_1_2 = False;
2167 Bool query_1_2 = False;
2168 Bool modeit = False;
2169 Bool propit = False;
2170 Bool query_1 = False;
2172 Bool current = False;
2174 program_name = argv[0];
2175 for (i = 1; i < argc; i++) {
2176 if (!strcmp ("-display", argv[i]) || !strcmp ("-d", argv[i])) {
2177 if (++i>=argc) usage ();
2178 display_name = argv[i];
2181 if (!strcmp("-help", argv[i])) {
2183 action_requested = True;
2186 if (!strcmp ("--verbose", argv[i])) {
2190 if (!strcmp ("--dryrun", argv[i])) {
2195 if (!strcmp ("--nograb", argv[i])) {
2196 grab_server = False;
2199 if (!strcmp("--current", argv[i])) {
2204 if (!strcmp ("-s", argv[i]) || !strcmp ("--size", argv[i])) {
2205 if (++i>=argc) usage ();
2206 if (sscanf (argv[i], "%dx%d", &width, &height) == 2) {
2207 have_pixel_size = True;
2209 size = check_strtol(argv[i]);
2210 if (size < 0) usage();
2213 action_requested = True;
2217 if (!strcmp ("-r", argv[i]) ||
2218 !strcmp ("--rate", argv[i]) ||
2219 !strcmp ("--refresh", argv[i]))
2221 if (++i>=argc) usage ();
2222 rate = check_strtod(argv[i]);
2226 output->refresh = rate;
2227 output->changes |= changes_refresh;
2230 action_requested = True;
2234 if (!strcmp ("-v", argv[i]) || !strcmp ("--version", argv[i])) {
2236 action_requested = True;
2240 if (!strcmp ("-x", argv[i])) {
2241 reflection |= RR_Reflect_X;
2243 action_requested = True;
2246 if (!strcmp ("-y", argv[i])) {
2247 reflection |= RR_Reflect_Y;
2249 action_requested = True;
2252 if (!strcmp ("--screen", argv[i])) {
2253 if (++i>=argc) usage ();
2254 screen = check_strtol(argv[i]);
2255 if (screen < 0) usage();
2258 if (!strcmp ("-q", argv[i]) || !strcmp ("--query", argv[i])) {
2262 if (!strcmp ("-o", argv[i]) || !strcmp ("--orientation", argv[i])) {
2264 if (++i>=argc) usage ();
2265 dirind = strtol(argv[i], &endptr, 10);
2266 if (argv[i] == endptr) {
2267 for (dirind = 0; dirind < 4; dirind++) {
2268 if (strcmp (direction[dirind], argv[i]) == 0) break;
2270 if ((dirind < 0) || (dirind > 3)) usage();
2274 action_requested = True;
2277 if (!strcmp ("--prop", argv[i]) ||
2278 !strcmp ("--props", argv[i]) ||
2279 !strcmp ("--madprops", argv[i]) ||
2280 !strcmp ("--properties", argv[i]))
2284 action_requested = True;
2287 if (!strcmp ("--output", argv[i])) {
2288 if (++i >= argc) usage();
2290 output = find_output_by_name (argv[i]);
2292 output = add_output ();
2293 set_name (&output->output, argv[i], name_string|name_xid);
2297 action_requested = True;
2300 if (!strcmp ("--crtc", argv[i])) {
2301 if (++i >= argc) usage();
2302 if (!output) usage();
2303 set_name (&output->crtc, argv[i], name_xid|name_index);
2304 output->changes |= changes_crtc;
2307 if (!strcmp ("--mode", argv[i])) {
2308 if (++i >= argc) usage();
2309 if (!output) usage();
2310 set_name (&output->mode, argv[i], name_string|name_xid);
2311 output->changes |= changes_mode;
2314 if (!strcmp ("--preferred", argv[i])) {
2315 if (!output) usage();
2316 set_name_preferred (&output->mode);
2317 output->changes |= changes_mode;
2320 if (!strcmp ("--pos", argv[i])) {
2321 if (++i>=argc) usage ();
2322 if (!output) usage();
2323 if (sscanf (argv[i], "%dx%d",
2324 &output->x, &output->y) != 2)
2326 output->changes |= changes_position;
2329 if (!strcmp ("--rotation", argv[i]) || !strcmp ("--rotate", argv[i])) {
2330 if (++i>=argc) usage ();
2331 if (!output) usage();
2332 for (dirind = 0; dirind < 4; dirind++) {
2333 if (strcmp (direction[dirind], argv[i]) == 0) break;
2337 output->rotation &= ~0xf;
2338 output->rotation |= 1 << dirind;
2339 output->changes |= changes_rotation;
2342 if (!strcmp ("--reflect", argv[i]) || !strcmp ("--reflection", argv[i])) {
2343 if (++i>=argc) usage ();
2344 if (!output) usage();
2345 for (dirind = 0; dirind < 4; dirind++) {
2346 if (strcmp (reflections[dirind], argv[i]) == 0) break;
2350 output->rotation &= ~(RR_Reflect_X|RR_Reflect_Y);
2351 output->rotation |= dirind * RR_Reflect_X;
2352 output->changes |= changes_reflection;
2355 if (!strcmp ("--left-of", argv[i])) {
2356 if (++i>=argc) usage ();
2357 if (!output) usage();
2358 output->relation = relation_left_of;
2359 output->relative_to = argv[i];
2360 output->changes |= changes_relation;
2363 if (!strcmp ("--right-of", argv[i])) {
2364 if (++i>=argc) usage ();
2365 if (!output) usage();
2366 output->relation = relation_right_of;
2367 output->relative_to = argv[i];
2368 output->changes |= changes_relation;
2371 if (!strcmp ("--above", argv[i])) {
2372 if (++i>=argc) usage ();
2373 if (!output) usage();
2374 output->relation = relation_above;
2375 output->relative_to = argv[i];
2376 output->changes |= changes_relation;
2379 if (!strcmp ("--below", argv[i])) {
2380 if (++i>=argc) usage ();
2381 if (!output) usage();
2382 output->relation = relation_below;
2383 output->relative_to = argv[i];
2384 output->changes |= changes_relation;
2387 if (!strcmp ("--same-as", argv[i])) {
2388 if (++i>=argc) usage ();
2389 if (!output) usage();
2390 output->relation = relation_same_as;
2391 output->relative_to = argv[i];
2392 output->changes |= changes_relation;
2395 if (!strcmp ("--panning", argv[i])) {
2397 if (++i>=argc) usage ();
2398 if (!output) usage();
2399 pan = &output->panning;
2400 switch (sscanf (argv[i], "%dx%d+%d+%d/%dx%d+%d+%d/%d/%d/%d/%d",
2401 &pan->width, &pan->height, &pan->left, &pan->top,
2402 &pan->track_width, &pan->track_height,
2403 &pan->track_left, &pan->track_top,
2404 &pan->border_left, &pan->border_top,
2405 &pan->border_right, &pan->border_bottom)) {
2407 pan->left = pan->top = 0;
2410 pan->track_left = pan->track_top =
2411 pan->track_width = pan->track_height = 0;
2414 pan->border_left = pan->border_top =
2415 pan->border_right = pan->border_bottom = 0;
2422 output->changes |= changes_panning;
2425 if (!strcmp ("--gamma", argv[i])) {
2426 if (!output) usage();
2427 if (++i>=argc) usage ();
2428 if (sscanf(argv[i], "%f:%f:%f", &output->gamma.red,
2429 &output->gamma.green, &output->gamma.blue) != 3)
2431 output->changes |= changes_gamma;
2435 if (!strcmp ("--brightness", argv[i])) {
2436 if (!output) usage();
2437 if (++i>=argc) usage();
2438 if (sscanf(argv[i], "%f", &output->brightness) != 1)
2440 output->changes |= changes_gamma;
2444 if (!strcmp ("--primary", argv[i])) {
2445 if (!output) usage();
2446 output->changes |= changes_primary;
2447 output->primary = True;
2451 if (!strcmp ("--noprimary", argv[i])) {
2456 if (!strcmp ("--set", argv[i])) {
2457 output_prop_t *prop;
2458 if (!output) usage();
2459 prop = malloc (sizeof (output_prop_t));
2460 prop->next = output->props;
2461 output->props = prop;
2462 if (++i>=argc) usage ();
2463 prop->name = argv[i];
2464 if (++i>=argc) usage ();
2465 prop->value = argv[i];
2467 output->changes |= changes_property;
2471 if (!strcmp ("--scale", argv[i]))
2474 if (!output) usage();
2475 if (++i>=argc) usage();
2476 if (sscanf (argv[i], "%lfx%lf", &sx, &sy) != 2)
2478 init_transform (&output->transform);
2479 output->transform.transform.matrix[0][0] = XDoubleToFixed (sx);
2480 output->transform.transform.matrix[1][1] = XDoubleToFixed (sy);
2481 output->transform.transform.matrix[2][2] = XDoubleToFixed (1.0);
2482 if (sx != 1 || sy != 1)
2483 output->transform.filter = "bilinear";
2485 output->transform.filter = "nearest";
2486 output->transform.nparams = 0;
2487 output->transform.params = NULL;
2488 output->changes |= changes_transform;
2491 if (!strcmp ("--transform", argv[i])) {
2492 double transform[3][3];
2494 if (!output) usage();
2495 if (++i>=argc) usage ();
2496 init_transform (&output->transform);
2497 if (strcmp (argv[i], "none") != 0)
2499 if (sscanf(argv[i], "%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf",
2500 &transform[0][0],&transform[0][1],&transform[0][2],
2501 &transform[1][0],&transform[1][1],&transform[1][2],
2502 &transform[2][0],&transform[2][1],&transform[2][2])
2505 init_transform (&output->transform);
2506 for (k = 0; k < 3; k++)
2507 for (l = 0; l < 3; l++) {
2508 output->transform.transform.matrix[k][l] = XDoubleToFixed (transform[k][l]);
2510 output->transform.filter = "bilinear";
2511 output->transform.nparams = 0;
2512 output->transform.params = NULL;
2514 output->changes |= changes_transform;
2517 if (!strcmp ("--off", argv[i])) {
2518 if (!output) usage();
2519 set_name_xid (&output->mode, None);
2520 set_name_xid (&output->crtc, None);
2521 output->changes |= changes_mode;
2524 if (!strcmp ("--fb", argv[i])) {
2525 if (++i>=argc) usage ();
2526 if (sscanf (argv[i], "%dx%d",
2527 &fb_width, &fb_height) != 2)
2530 action_requested = True;
2533 if (!strcmp ("--fbmm", argv[i])) {
2534 if (++i>=argc) usage ();
2535 if (sscanf (argv[i], "%dx%d",
2536 &fb_width_mm, &fb_height_mm) != 2)
2539 action_requested = True;
2542 if (!strcmp ("--dpi", argv[i])) {
2544 if (++i>=argc) usage ();
2545 dpi = strtod(argv[i], &strtod_error);
2546 if (argv[i] == strtod_error)
2549 dpi_output = argv[i];
2552 action_requested = True;
2555 if (!strcmp ("--auto", argv[i])) {
2558 output->automatic = True;
2559 output->changes |= changes_automatic;
2564 action_requested = True;
2567 if (!strcmp ("--q12", argv[i]))
2572 if (!strcmp ("--q1", argv[i]))
2577 if (!strcmp ("--newmode", argv[i]))
2579 umode_t *m = malloc (sizeof (umode_t));
2583 if (i + 9 >= argc) usage ();
2584 m->mode.name = argv[i];
2585 m->mode.nameLength = strlen (argv[i]);
2587 clock = check_strtod(argv[i++]);
2588 m->mode.dotClock = clock * 1e6;
2590 m->mode.width = check_strtol(argv[i++]);
2591 m->mode.hSyncStart = check_strtol(argv[i++]);
2592 m->mode.hSyncEnd = check_strtol(argv[i++]);
2593 m->mode.hTotal = check_strtol(argv[i++]);
2594 m->mode.height = check_strtol(argv[i++]);
2595 m->mode.vSyncStart = check_strtol(argv[i++]);
2596 m->mode.vSyncEnd = check_strtol(argv[i++]);
2597 m->mode.vTotal = check_strtol(argv[i++]);
2598 m->mode.modeFlags = 0;
2602 for (f = 0; mode_flags[f].string; f++)
2603 if (!strcasecmp (mode_flags[f].string, argv[i]))
2606 if (!mode_flags[f].string)
2608 m->mode.modeFlags |= mode_flags[f].flag;
2612 m->action = umode_create;
2615 action_requested = True;
2618 if (!strcmp ("--rmmode", argv[i]))
2620 umode_t *m = malloc (sizeof (umode_t));
2622 if (++i>=argc) usage ();
2623 set_name (&m->name, argv[i], name_string|name_xid);
2624 m->action = umode_destroy;
2628 action_requested = True;
2631 if (!strcmp ("--addmode", argv[i]))
2633 umode_t *m = malloc (sizeof (umode_t));
2635 if (++i>=argc) usage ();
2636 set_name (&m->output, argv[i], name_string|name_xid);
2637 if (++i>=argc) usage();
2638 set_name (&m->name, argv[i], name_string|name_xid);
2639 m->action = umode_add;
2643 action_requested = True;
2646 if (!strcmp ("--delmode", argv[i]))
2648 umode_t *m = malloc (sizeof (umode_t));
2650 if (++i>=argc) usage ();
2651 set_name (&m->output, argv[i], name_string|name_xid);
2652 if (++i>=argc) usage();
2653 set_name (&m->name, argv[i], name_string|name_xid);
2654 m->action = umode_delete;
2658 action_requested = True;
2663 if (!action_requested)
2668 if (setit && !setit_1_2)
2672 printf("xrandr program version " VERSION "\n");
2674 dpy = XOpenDisplay (display_name);
2677 fprintf (stderr, "Can't open display %s\n", XDisplayName(display_name));
2681 screen = DefaultScreen (dpy);
2682 if (screen >= ScreenCount (dpy)) {
2683 fprintf (stderr, "Invalid screen number %d (display has %d)\n",
2684 screen, ScreenCount (dpy));
2688 root = RootWindow (dpy, screen);
2690 if (!XRRQueryExtension (dpy, &event_base, &error_base) ||
2691 !XRRQueryVersion (dpy, &major, &minor))
2693 fprintf (stderr, "RandR extension missing\n");
2696 if (major > 1 || (major == 1 && minor >= 2))
2698 if (major > 1 || (major == 1 && minor >= 3))
2701 if (has_1_2 && modeit)
2705 get_screen (current);
2709 for (m = umodes; m; m = m->next)
2714 switch (m->action) {
2716 XRRCreateMode (dpy, root, &m->mode);
2719 e = find_mode (&m->name, 0);
2721 fatal ("cannot find mode \"%s\"\n", m->name.string);
2722 XRRDestroyMode (dpy, e->id);
2725 o = find_output (&m->output);
2727 fatal ("cannot find output \"%s\"\n", m->output.string);
2728 e = find_mode (&m->name, 0);
2730 fatal ("cannot find mode \"%s\"\n", m->name.string);
2731 XRRAddOutputMode (dpy, o->output.xid, e->id);
2734 o = find_output (&m->output);
2736 fatal ("cannot find output \"%s\"\n", m->output.string);
2737 e = find_mode (&m->name, 0);
2739 fatal ("cannot find mode \"%s\"\n", m->name.string);
2740 XRRDeleteOutputMode (dpy, o->output.xid, e->id);
2750 if (has_1_2 && propit)
2753 get_screen (current);
2757 for (output = outputs; output; output = output->next)
2759 output_prop_t *prop;
2761 for (prop = output->props; prop; prop = prop->next)
2763 Atom name = XInternAtom (dpy, prop->name, False);
2766 unsigned char *data;
2769 unsigned long ulong_value;
2770 unsigned char *prop_data;
2772 unsigned long nitems, bytes_after;
2774 XRRPropertyInfo *propinfo;
2776 type = AnyPropertyType;
2778 if (XRRGetOutputProperty (dpy, output->output.xid, name,
2779 0, 100, False, False,
2781 &actual_type, &actual_format,
2782 &nitems, &bytes_after, &prop_data) == Success &&
2784 (propinfo = XRRQueryOutputProperty(dpy, output->output.xid,
2788 format = actual_format;
2791 if ((type == XA_INTEGER || type == AnyPropertyType) &&
2792 (sscanf (prop->value, "%d", &int_value) == 1 ||
2793 sscanf (prop->value, "0x%x", &int_value) == 1))
2796 ulong_value = int_value;
2797 data = (unsigned char *) &ulong_value;
2801 else if ((type == XA_ATOM))
2803 ulong_value = XInternAtom (dpy, prop->value, False);
2804 data = (unsigned char *) &ulong_value;
2807 else if ((type == XA_STRING || type == AnyPropertyType))
2810 data = (unsigned char *) prop->value;
2811 nelements = strlen (prop->value);
2816 XRRChangeOutputProperty (dpy, output->output.xid,
2817 name, type, format, PropModeReplace,
2829 get_screen (current);
2838 * Assign outputs to crtcs
2843 * Mark changing crtcs
2845 mark_changing_crtcs ();
2848 * If an output was specified to track dpi, use it
2852 output_t *output = find_output_by_name (dpi_output);
2853 XRROutputInfo *output_info;
2854 XRRModeInfo *mode_info;
2856 fatal ("Cannot find output %s\n", dpi_output);
2857 output_info = output->output_info;
2858 mode_info = output->mode_info;
2859 if (output_info && mode_info && output_info->mm_height)
2862 * When this output covers the whole screen, just use
2863 * the known physical size
2865 if (fb_width == mode_info->width &&
2866 fb_height == mode_info->height)
2868 fb_width_mm = output_info->mm_width;
2869 fb_height_mm = output_info->mm_height;
2873 dpi = (25.4 * mode_info->height) / output_info->mm_height;
2879 * Compute physical screen size
2881 if (fb_width_mm == 0 || fb_height_mm == 0)
2883 if (fb_width != DisplayWidth (dpy, screen) ||
2884 fb_height != DisplayHeight (dpy, screen) || dpi != 0.0)
2887 dpi = (25.4 * DisplayHeight (dpy, screen)) / DisplayHeightMM(dpy, screen);
2889 fb_width_mm = (25.4 * fb_width) / dpi;
2890 fb_height_mm = (25.4 * fb_height) / dpi;
2894 fb_width_mm = DisplayWidthMM (dpy, screen);
2895 fb_height_mm = DisplayHeightMM (dpy, screen);
2905 * Set gamma on crtc's that belong to the outputs.
2910 * Now apply all of the changes
2917 if (query_1_2 || (query && has_1_2 && !query_1))
2922 #define ModeShown 0x80000000
2924 get_screen (current);
2928 printf ("Screen %d: minimum %d x %d, current %d x %d, maximum %d x %d\n",
2929 screen, minWidth, minHeight,
2930 DisplayWidth (dpy, screen), DisplayHeight(dpy, screen),
2931 maxWidth, maxHeight);
2933 for (output = outputs; output; output = output->next)
2935 XRROutputInfo *output_info = output->output_info;
2936 crtc_t *crtc = output->crtc_info;
2937 XRRCrtcInfo *crtc_info = crtc ? crtc->crtc_info : NULL;
2938 XRRModeInfo *mode = output->mode_info;
2942 Rotation rotations = output_rotations (output);
2944 printf ("%s %s", output_info->name, connection[output_info->connection]);
2948 printf (" %dx%d+%d+%d",
2949 crtc_info->width, crtc_info->height,
2950 crtc_info->x, crtc_info->y);
2952 printf (" %dx%d+%d+%d",
2953 mode->width, mode->height, output->x, output->y);
2956 printf (" (0x%x)", (int)mode->id);
2957 if (output->rotation != RR_Rotate_0 || verbose)
2960 rotation_name (output->rotation));
2961 if (output->rotation & (RR_Reflect_X|RR_Reflect_Y))
2962 printf (" %s", reflection_name (output->rotation));
2965 if (rotations != RR_Rotate_0 || verbose)
2969 for (i = 0; i < 4; i ++) {
2970 if ((rotations >> i) & 1) {
2971 if (!first) printf (" "); first = False;
2972 printf("%s", direction[i]);
2975 if (rotations & RR_Reflect_X)
2977 if (!first) printf (" "); first = False;
2980 if (rotations & RR_Reflect_Y)
2982 if (!first) printf (" ");
2990 printf (" %dmm x %dmm",
2991 (int)output_info->mm_width, (int)output_info->mm_height);
2994 if (crtc && crtc->panning_info && crtc->panning_info->width > 0)
2996 XRRPanning *pan = crtc->panning_info;
2997 printf (" panning %dx%d+%d+%d",
2998 pan->width, pan->height, pan->left, pan->top);
2999 if ((pan->track_width != 0 &&
3000 (pan->track_left != pan->left ||
3001 pan->track_width != pan->width ||
3002 pan->border_left != 0 ||
3003 pan->border_right != 0)) ||
3004 (pan->track_height != 0 &&
3005 (pan->track_top != pan->top ||
3006 pan->track_height != pan->height ||
3007 pan->border_top != 0 ||
3008 pan->border_bottom != 0)))
3009 printf (" tracking %dx%d+%d+%d border %d/%d/%d/%d",
3010 pan->track_width, pan->track_height,
3011 pan->track_left, pan->track_top,
3012 pan->border_left, pan->border_top,
3013 pan->border_right, pan->border_bottom);
3019 printf ("\tIdentifier: 0x%x\n", (int)output->output.xid);
3020 printf ("\tTimestamp: %d\n", (int)output_info->timestamp);
3021 printf ("\tSubpixel: %s\n", order[output_info->subpixel_order]);
3022 if (output->gamma.red != 0.0 && output->gamma.green != 0.0 && output->gamma.blue != 0.0) {
3023 printf ("\tGamma: %#.2g:%#.2g:%#.2g\n",
3024 output->gamma.red, output->gamma.green, output->gamma.blue);
3025 printf ("\tBrightness: %#.2g\n", output->brightness);
3027 printf ("\tClones: ");
3028 for (j = 0; j < output_info->nclone; j++)
3030 output_t *clone = find_output_by_xid (output_info->clones[j]);
3032 if (clone) printf (" %s", clone->output.string);
3035 if (output->crtc_info)
3036 printf ("\tCRTC: %d\n", output->crtc_info->crtc.index);
3037 printf ("\tCRTCs: ");
3038 for (j = 0; j < output_info->ncrtc; j++)
3040 crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[j]);
3042 printf (" %d", crtc->crtc.index);
3045 if (output->crtc_info && output->crtc_info->panning_info) {
3046 XRRPanning *pan = output->crtc_info->panning_info;
3047 printf ("\tPanning: %dx%d+%d+%d\n",
3048 pan->width, pan->height, pan->left, pan->top);
3049 printf ("\tTracking: %dx%d+%d+%d\n",
3050 pan->track_width, pan->track_height,
3051 pan->track_left, pan->track_top);
3052 printf ("\tBorder: %d/%d/%d/%d\n",
3053 pan->border_left, pan->border_top,
3054 pan->border_right, pan->border_bottom);
3061 printf ("\tTransform: ");
3062 for (y = 0; y < 3; y++)
3064 for (x = 0; x < 3; x++)
3065 printf (" %f", XFixedToDouble (output->transform.transform.matrix[y][x]));
3069 if (output->transform.filter)
3070 printf ("\n\t filter: %s", output->transform.filter);
3073 if (verbose || properties)
3075 props = XRRListOutputProperties (dpy, output->output.xid,
3077 for (j = 0; j < nprop; j++) {
3078 unsigned char *prop;
3080 unsigned long nitems, bytes_after;
3082 XRRPropertyInfo *propinfo;
3084 XRRGetOutputProperty (dpy, output->output.xid, props[j],
3085 0, 100, False, False,
3087 &actual_type, &actual_format,
3088 &nitems, &bytes_after, &prop);
3090 propinfo = XRRQueryOutputProperty(dpy, output->output.xid,
3093 if (actual_type == XA_INTEGER && actual_format == 8) {
3096 printf("\t%s:\n", XGetAtomName (dpy, props[j]));
3097 for (k = 0; k < nitems; k++) {
3100 printf("%02x", (unsigned char)prop[k]);
3104 } else if (actual_type == XA_INTEGER &&
3105 actual_format == 32)
3107 printf("\t%s: ", XGetAtomName (dpy, props[j]));
3108 for (k = 0; k < nitems; k++) {
3110 printf ("\n\t\t\t");
3111 printf("%d (0x%08x)",
3112 (int)((INT32 *)prop)[k], (int)((INT32 *)prop)[k]);
3115 if (propinfo->range && propinfo->num_values > 0) {
3118 printf("\trange%s: ",
3119 (propinfo->num_values == 2) ? "" : "s");
3121 for (k = 0; k < propinfo->num_values / 2; k++)
3122 printf(" (%d,%d)", (int)propinfo->values[k * 2],
3123 (int)propinfo->values[k * 2 + 1]);
3127 } else if (actual_type == XA_ATOM &&
3128 actual_format == 32)
3130 printf("\t%s:", XGetAtomName (dpy, props[j]));
3131 for (k = 0; k < nitems; k++) {
3132 if (k > 0 && (k & 1) == 0)
3134 printf("\t%s", XGetAtomName (dpy, ((Atom *)prop)[k]));
3137 if (!propinfo->range && propinfo->num_values > 0) {
3138 printf("\n\t\tsupported:");
3140 for (k = 0; k < propinfo->num_values; k++)
3142 printf(" %-12.12s", XGetAtomName (dpy,
3143 propinfo->values[k]));
3144 if (k % 4 == 3 && k < propinfo->num_values - 1)
3149 } else if (actual_format == 8) {
3150 printf ("\t%s: %s%s\n", XGetAtomName (dpy, props[j]),
3151 prop, bytes_after ? "..." : "");
3153 char *type = actual_type ? XGetAtomName (dpy, actual_type) : "none";
3154 printf ("\t%s: %s(%d) (format %d items %d) ????\n",
3155 XGetAtomName (dpy, props[j]),
3156 type, (int)actual_type, actual_format, (int)nitems);
3165 for (j = 0; j < output_info->nmode; j++)
3167 XRRModeInfo *mode = find_mode_by_xid (output_info->modes[j]);
3170 printf (" %s (0x%x) %6.1fMHz",
3171 mode->name, (int)mode->id,
3172 (double)mode->dotClock / 1000000.0);
3173 for (f = 0; mode_flags[f].flag; f++)
3174 if (mode->modeFlags & mode_flags[f].flag)
3175 printf (" %s", mode_flags[f].string);
3176 if (mode == output->mode_info)
3177 printf (" *current");
3178 if (j < output_info->npreferred)
3179 printf (" +preferred");
3181 printf (" h: width %4d start %4d end %4d total %4d skew %4d clock %6.1fKHz\n",
3182 mode->width, mode->hSyncStart, mode->hSyncEnd,
3183 mode->hTotal, mode->hSkew, mode_hsync (mode) / 1000);
3184 printf (" v: height %4d start %4d end %4d total %4d clock %6.1fHz\n",
3185 mode->height, mode->vSyncStart, mode->vSyncEnd, mode->vTotal,
3186 mode_refresh (mode));
3187 mode->modeFlags |= ModeShown;
3192 mode_shown = calloc (output_info->nmode, sizeof (Bool));
3193 if (!mode_shown) fatal ("out of memory\n");
3194 for (j = 0; j < output_info->nmode; j++)
3196 XRRModeInfo *jmode, *kmode;
3198 if (mode_shown[j]) continue;
3200 jmode = find_mode_by_xid (output_info->modes[j]);
3202 printf (" %-12s", jmode->name);
3203 for (k = j; k < output_info->nmode; k++)
3205 if (mode_shown[k]) continue;
3206 kmode = find_mode_by_xid (output_info->modes[k]);
3207 if (strcmp (jmode->name, kmode->name) != 0) continue;
3208 mode_shown[k] = True;
3209 kmode->modeFlags |= ModeShown;
3210 printf (" %6.1f", mode_refresh (kmode));
3211 if (kmode == output->mode_info)
3215 if (k < output_info->npreferred)
3225 for (m = 0; m < res->nmode; m++)
3227 XRRModeInfo *mode = &res->modes[m];
3229 if (!(mode->modeFlags & ModeShown))
3231 printf (" %s (0x%x) %6.1fMHz\n",
3232 mode->name, (int)mode->id,
3233 (double)mode->dotClock / 1000000.0);
3234 printf (" h: width %4d start %4d end %4d total %4d skew %4d clock %6.1fKHz\n",
3235 mode->width, mode->hSyncStart, mode->hSyncEnd,
3236 mode->hTotal, mode->hSkew, mode_hsync (mode) / 1000);
3237 printf (" v: height %4d start %4d end %4d total %4d clock %6.1fHz\n",
3238 mode->height, mode->vSyncStart, mode->vSyncEnd, mode->vTotal,
3239 mode_refresh (mode));
3245 sc = XRRGetScreenInfo (dpy, root);
3250 current_size = XRRConfigCurrentConfiguration (sc, ¤t_rotation);
3252 sizes = XRRConfigSizes(sc, &nsize);
3254 if (have_pixel_size) {
3255 for (size = 0; size < nsize; size++)
3257 if (sizes[size].width == width && sizes[size].height == height)
3260 if (size >= nsize) {
3262 "Size %dx%d not found in available modes\n", width, height);
3267 size = current_size;
3268 else if (size >= nsize) {
3270 "Size index %d is too large, there are only %d sizes\n",
3277 for (rot = 0; rot < 4; rot++)
3278 if (1 << rot == (current_rotation & 0xf))
3282 current_rate = XRRConfigCurrentRate (sc);
3286 if (size == current_size)
3287 rate = current_rate;
3293 rates = XRRConfigRates (sc, size, &nrate);
3294 for (i = 0; i < nrate; i++)
3295 if (rate == rates[i])
3298 fprintf (stderr, "Rate %.1f Hz not available for this size\n", rate);
3304 int major_version, minor_version;
3305 XRRQueryVersion (dpy, &major_version, &minor_version);
3306 printf("Server reports RandR version %d.%d\n",
3307 major_version, minor_version);
3310 if (query || query_1) {
3311 printf(" SZ: Pixels Physical Refresh\n");
3312 for (i = 0; i < nsize; i++) {
3313 printf ("%c%-2d %5d x %-5d (%4dmm x%4dmm )",
3314 i == current_size ? '*' : ' ',
3315 i, sizes[i].width, sizes[i].height,
3316 sizes[i].mwidth, sizes[i].mheight);
3317 rates = XRRConfigRates (sc, i, &nrate);
3318 if (nrate) printf (" ");
3319 for (j = 0; j < nrate; j++)
3321 i == current_size && rates[j] == current_rate ? '*' : ' ',
3327 rotations = XRRConfigRotations(sc, ¤t_rotation);
3329 rotation = 1 << rot ;
3331 printf("Current rotation - %s\n",
3332 rotation_name (current_rotation));
3334 printf("Current reflection - %s\n",
3335 reflection_name (current_rotation));
3337 printf ("Rotations possible - ");
3338 for (i = 0; i < 4; i ++) {
3339 if ((rotations >> i) & 1) printf("%s ", direction[i]);
3343 printf ("Reflections possible - ");
3344 if (rotations & (RR_Reflect_X|RR_Reflect_Y))
3346 if (rotations & RR_Reflect_X) printf ("X Axis ");
3347 if (rotations & RR_Reflect_Y) printf ("Y Axis");
3355 printf("Setting size to %d, rotation to %s\n", size, direction[rot]);
3357 printf ("Setting reflection on ");
3360 if (reflection & RR_Reflect_X) printf ("X Axis ");
3361 if (reflection & RR_Reflect_Y) printf ("Y Axis");
3364 printf ("neither axis");
3367 if (reflection & RR_Reflect_X) printf("Setting reflection on X axis\n");
3369 if (reflection & RR_Reflect_Y) printf("Setting reflection on Y axis\n");
3372 /* we should test configureNotify on the root window */
3373 XSelectInput (dpy, root, StructureNotifyMask);
3375 if (setit && !dryrun) XRRSelectInput (dpy, root,
3376 RRScreenChangeNotifyMask);
3377 if (setit && !dryrun) status = XRRSetScreenConfigAndRate (dpy, sc,
3379 (SizeID) size, (Rotation) (rotation | reflection), rate, CurrentTime);
3381 if (setit && !dryrun && status == RRSetConfigFailed) {
3382 printf ("Failed to change the screen configuration!\n");
3386 if (verbose && setit && !dryrun && size != current_size) {
3387 if (status == RRSetConfigSuccess)
3389 Bool seen_screen = False;
3390 while (!seen_screen) {
3392 XNextEvent(dpy, (XEvent *) &event);
3394 printf ("Event received, type = %d\n", event.type);
3395 /* update Xlib's knowledge of the event */
3396 XRRUpdateConfiguration (&event);
3397 if (event.type == ConfigureNotify)
3398 printf("Received ConfigureNotify Event!\n");
3400 switch (event.type - event_base) {
3401 case RRScreenChangeNotify:
3402 sce = (XRRScreenChangeNotifyEvent *) &event;
3404 printf("Got a screen change notify event!\n");
3405 printf(" window = %d\n root = %d\n size_index = %d\n rotation %d\n",
3406 (int) sce->window, (int) sce->root,
3407 sce->size_index, sce->rotation);
3408 printf(" timestamp = %ld, config_timestamp = %ld\n",
3409 sce->timestamp, sce->config_timestamp);
3410 printf(" Rotation = %x\n", sce->rotation);
3411 printf(" %d X %d pixels, %d X %d mm\n",
3412 sce->width, sce->height, sce->mwidth, sce->mheight);
3413 printf("Display width %d, height %d\n",
3414 DisplayWidth(dpy, screen), DisplayHeight(dpy, screen));
3415 printf("Display widthmm %d, heightmm %d\n",
3416 DisplayWidthMM(dpy, screen), DisplayHeightMM(dpy, screen));
3417 spo = sce->subpixel_order;
3418 if ((spo < 0) || (spo > 5))
3419 printf ("Unknown subpixel order, value = %d\n", spo);
3420 else printf ("new Subpixel rendering model is %s\n", order[spo]);
3424 if (event.type != ConfigureNotify)
3425 printf("unknown event received, type = %d!\n", event.type);
3430 XRRFreeScreenConfigInfo(sc);