/* * Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc. * Copyright © 2002 Hewlett Packard Company, Inc. * Copyright © 2006 Intel Corporation * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that copyright * notice and this permission notice appear in supporting documentation, and * that the name of the copyright holders not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission. The copyright holders make no representations * about the suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. * * Thanks to Jim Gettys who wrote most of the client side code, * and part of the server code for randr. */ #include <stdio.h> #include <X11/Xlib.h> #include <X11/Xlibint.h> #include <X11/Xproto.h> #include <X11/Xatom.h> #include <X11/extensions/Xrandr.h> #include <X11/extensions/Xrender.h> /* we share subpixel information */ #include <string.h> #include <stdlib.h> #include <stdarg.h> #include <stdint.h> #include <math.h> #if RANDR_MAJOR > 1 || (RANDR_MAJOR == 1 && RANDR_MINOR >= 2) #define HAS_RANDR_1_2 1 #endif static char *program_name; static Display *dpy; static Window root; static int screen = -1; static Bool verbose = False; static Bool automatic = False; static Bool properties = False; static char *direction[5] = { "normal", "left", "inverted", "right", "\n"}; static char *reflections[5] = { "normal", "x", "y", "xy", "\n"}; /* subpixel order */ static char *order[6] = { "unknown", "horizontal rgb", "horizontal bgr", "vertical rgb", "vertical bgr", "no subpixels"}; static const struct { char *string; unsigned long flag; } mode_flags[] = { { "+HSync", RR_HSyncPositive }, { "-HSync", RR_HSyncNegative }, { "+VSync", RR_VSyncPositive }, { "-VSync", RR_VSyncNegative }, { "Interlace", RR_Interlace }, { "DoubleScan", RR_DoubleScan }, { "CSync", RR_CSync }, { "+CSync", RR_CSyncPositive }, { "-CSync", RR_CSyncNegative }, { NULL, 0 } }; static void usage(void) { fprintf(stderr, "usage: %s [options]\n", program_name); fprintf(stderr, " where options are:\n"); fprintf(stderr, " -display <display> or -d <display>\n"); fprintf(stderr, " -help\n"); fprintf(stderr, " -o <normal,inverted,left,right,0,1,2,3>\n"); fprintf(stderr, " or --orientation <normal,inverted,left,right,0,1,2,3>\n"); fprintf(stderr, " -q or --query\n"); fprintf(stderr, " -s <size>/<width>x<height> or --size <size>/<width>x<height>\n"); fprintf(stderr, " -r <rate> or --rate <rate> or --refresh <rate>\n"); fprintf(stderr, " -v or --version\n"); fprintf(stderr, " -x (reflect in x)\n"); fprintf(stderr, " -y (reflect in y)\n"); fprintf(stderr, " --screen <screen>\n"); fprintf(stderr, " --verbose\n"); fprintf(stderr, " --dryrun\n"); #if HAS_RANDR_1_2 fprintf(stderr, " --prop or --properties\n"); fprintf(stderr, " --fb <width>x<height>\n"); fprintf(stderr, " --fbmm <width>x<height>\n"); fprintf(stderr, " --dpi <dpi>/<output>\n"); #if 0 fprintf(stderr, " --clone\n"); fprintf(stderr, " --extend\n"); #endif fprintf(stderr, " --output <output>\n"); fprintf(stderr, " --auto\n"); fprintf(stderr, " --mode <mode>\n"); fprintf(stderr, " --preferred\n"); fprintf(stderr, " --pos <x>x<y>\n"); fprintf(stderr, " --rate <rate> or --refresh <rate>\n"); fprintf(stderr, " --reflect normal,x,y,xy\n"); fprintf(stderr, " --rotate normal,inverted,left,right\n"); fprintf(stderr, " --left-of <output>\n"); fprintf(stderr, " --right-of <output>\n"); fprintf(stderr, " --above <output>\n"); fprintf(stderr, " --below <output>\n"); fprintf(stderr, " --same-as <output>\n"); fprintf(stderr, " --set <property> <value>\n"); fprintf(stderr, " --off\n"); fprintf(stderr, " --crtc <crtc>\n"); fprintf(stderr, " --newmode <name> <clock MHz>\n"); fprintf(stderr, " <hdisp> <hsync-start> <hsync-end> <htotal>\n"); fprintf(stderr, " <vdisp> <vsync-start> <vsync-end> <vtotal>\n"); fprintf(stderr, " [+HSync] [-HSync] [+VSync] [-VSync]\n"); fprintf(stderr, " --rmmode <name>\n"); fprintf(stderr, " --addmode <output> <name>\n"); fprintf(stderr, " --delmode <output> <name>\n"); #endif exit(1); /*NOTREACHED*/ } static void fatal (const char *format, ...) { va_list ap; va_start (ap, format); fprintf (stderr, "%s: ", program_name); vfprintf (stderr, format, ap); va_end (ap); exit (1); /*NOTREACHED*/ } static char * rotation_name (Rotation rotation) { int i; if ((rotation & 0xf) == 0) return "normal"; for (i = 0; i < 4; i++) if (rotation & (1 << i)) return direction[i]; return "invalid rotation"; } static char * reflection_name (Rotation rotation) { rotation &= (RR_Reflect_X|RR_Reflect_Y); switch (rotation) { case 0: return "none"; case RR_Reflect_X: return "X axis"; case RR_Reflect_Y: return "Y axis"; case RR_Reflect_X|RR_Reflect_Y: return "X and Y axis"; } return "invalid reflection"; } #if HAS_RANDR_1_2 typedef enum _policy { cloned, extend } policy_t; typedef enum _relation { left_of, right_of, above, below, same_as } relation_t; typedef enum _changes { changes_none = 0, changes_crtc = (1 << 0), changes_mode = (1 << 1), changes_relation = (1 << 2), changes_position = (1 << 3), changes_rotation = (1 << 4), changes_reflection = (1 << 5), changes_automatic = (1 << 6), changes_refresh = (1 << 7), changes_property = (1 << 8) } changes_t; typedef enum _name_kind { name_none = 0, name_string = (1 << 0), name_xid = (1 << 1), name_index = (1 << 2), name_preferred = (1 << 3) } name_kind_t; typedef struct { name_kind_t kind; char *string; XID xid; int index; } name_t; typedef struct _crtc crtc_t; typedef struct _output output_t; typedef struct _umode umode_t; typedef struct _output_prop output_prop_t; struct _crtc { name_t crtc; Bool changing; XRRCrtcInfo *crtc_info; XRRModeInfo *mode_info; int x; int y; Rotation rotation; output_t **outputs; int noutput; }; struct _output_prop { struct _output_prop *next; char *name; char *value; }; struct _output { struct _output *next; changes_t changes; output_prop_t *props; name_t output; XRROutputInfo *output_info; name_t crtc; crtc_t *crtc_info; crtc_t *current_crtc_info; name_t mode; float refresh; XRRModeInfo *mode_info; name_t addmode; relation_t relation; char *relative_to; int x, y; Rotation rotation; Bool automatic; }; typedef enum _umode_action { umode_create, umode_destroy, umode_add, umode_delete } umode_action_t; struct _umode { struct _umode *next; umode_action_t action; XRRModeInfo mode; name_t output; name_t name; }; /* static char *connection[3] = { "connected", "disconnected", "unknown connection"}; */ static char *connection[3] = { "true", "false", "unknown"}; #define OUTPUT_NAME 1 #define CRTC_OFF 2 #define CRTC_UNSET 3 #define CRTC_INDEX 0x40000000 #define MODE_NAME 1 #define MODE_OFF 2 #define MODE_UNSET 3 #define MODE_PREF 4 #define POS_UNSET -1 static output_t *outputs = NULL; static output_t **outputs_tail = &outputs; static crtc_t *crtcs; static umode_t *umodes; static int num_crtcs; static XRRScreenResources *res; static int fb_width = 0, fb_height = 0; static int fb_width_mm = 0, fb_height_mm = 0; static float dpi = 0; static char *dpi_output = NULL; static Bool dryrun = False; static int minWidth, maxWidth, minHeight, maxHeight; static Bool has_1_2 = False; static int mode_height (XRRModeInfo *mode_info, Rotation rotation) { switch (rotation & 0xf) { case RR_Rotate_0: case RR_Rotate_180: return mode_info->height; case RR_Rotate_90: case RR_Rotate_270: return mode_info->width; default: return 0; } } static int mode_width (XRRModeInfo *mode_info, Rotation rotation) { switch (rotation & 0xf) { case RR_Rotate_0: case RR_Rotate_180: return mode_info->width; case RR_Rotate_90: case RR_Rotate_270: return mode_info->height; default: return 0; } } /* v refresh frequency in Hz */ static float mode_refresh (XRRModeInfo *mode_info) { float rate; if (mode_info->hTotal && mode_info->vTotal) rate = ((float) mode_info->dotClock / ((float) mode_info->hTotal * (float) mode_info->vTotal)); else rate = 0; return rate; } /* h sync frequency in Hz */ static float mode_hsync (XRRModeInfo *mode_info) { float rate; if (mode_info->hTotal) rate = (float) mode_info->dotClock / (float) mode_info->hTotal; else rate = 0; return rate; } static void init_name (name_t *name) { name->kind = name_none; } static void set_name_string (name_t *name, char *string) { name->kind |= name_string; name->string = string; } static void set_name_xid (name_t *name, XID xid) { name->kind |= name_xid; name->xid = xid; } static void set_name_index (name_t *name, int index) { name->kind |= name_index; name->index = index; } static void set_name_preferred (name_t *name) { name->kind |= name_preferred; } static void set_name_all (name_t *name, name_t *old) { if (old->kind & name_xid) name->xid = old->xid; if (old->kind & name_string) name->string = old->string; if (old->kind & name_index) name->index = old->index; name->kind |= old->kind; } static void set_name (name_t *name, char *string, name_kind_t valid) { XID xid; int index; if ((valid & name_xid) && sscanf (string, "0x%lx", &xid) == 1) set_name_xid (name, xid); else if ((valid & name_index) && sscanf (string, "%d", &index) == 1) set_name_index (name, index); else if (valid & name_string) set_name_string (name, string); else usage (); } static output_t * add_output (void) { output_t *output = calloc (1, sizeof (output_t)); if (!output) fatal ("out of memory"); output->next = NULL; *outputs_tail = output; outputs_tail = &output->next; return output; } static output_t * find_output (name_t *name) { output_t *output; for (output = outputs; output; output = output->next) { name_kind_t common = name->kind & output->output.kind; if ((common & name_xid) && name->xid == output->output.xid) break; if ((common & name_string) && !strcmp (name->string, output->output.string)) break; if ((common & name_index) && name->index == output->output.index) break; } return output; } static output_t * find_output_by_xid (RROutput output) { name_t output_name; init_name (&output_name); set_name_xid (&output_name, output); return find_output (&output_name); } static output_t * find_output_by_name (char *name) { name_t output_name; init_name (&output_name); set_name_string (&output_name, name); return find_output (&output_name); } static crtc_t * find_crtc (name_t *name) { int c; crtc_t *crtc = NULL; for (c = 0; c < num_crtcs; c++) { name_kind_t common; crtc = &crtcs[c]; common = name->kind & crtc->crtc.kind; if ((common & name_xid) && name->xid == crtc->crtc.xid) break; if ((common & name_string) && !strcmp (name->string, crtc->crtc.string)) break; if ((common & name_index) && name->index == crtc->crtc.index) break; crtc = NULL; } return crtc; } static crtc_t * find_crtc_by_xid (RRCrtc crtc) { name_t crtc_name; init_name (&crtc_name); set_name_xid (&crtc_name, crtc); return find_crtc (&crtc_name); } static XRRModeInfo * find_mode (name_t *name, float refresh) { int m; XRRModeInfo *best = NULL; float bestDist = 0; for (m = 0; m < res->nmode; m++) { XRRModeInfo *mode = &res->modes[m]; if ((name->kind & name_xid) && name->xid == mode->id) { best = mode; break; } if ((name->kind & name_string) && !strcmp (name->string, mode->name)) { float dist; if (refresh) dist = fabs (mode_refresh (mode) - refresh); else dist = 0; if (!best || dist < bestDist) { bestDist = dist; best = mode; } break; } } return best; } static XRRModeInfo * find_mode_by_xid (RRMode mode) { name_t mode_name; init_name (&mode_name); set_name_xid (&mode_name, mode); return find_mode (&mode_name, 0); } static XRRModeInfo * find_mode_for_output (output_t *output, name_t *name) { XRROutputInfo *output_info = output->output_info; int m; XRRModeInfo *best = NULL; float bestDist = 0; for (m = 0; m < output_info->nmode; m++) { XRRModeInfo *mode; mode = find_mode_by_xid (output_info->modes[m]); if (!mode) continue; if ((name->kind & name_xid) && name->xid == mode->id) { best = mode; break; } if ((name->kind & name_string) && !strcmp (name->string, mode->name)) { float dist; if (output->refresh) dist = fabs (mode_refresh (mode) - output->refresh); else dist = 0; if (!best || dist < bestDist) { bestDist = dist; best = mode; } } } return best; } XRRModeInfo * preferred_mode (output_t *output) { XRROutputInfo *output_info = output->output_info; int m; XRRModeInfo *best; int bestDist; best = NULL; bestDist = 0; for (m = 0; m < output_info->nmode; m++) { XRRModeInfo *mode_info = find_mode_by_xid (output_info->modes[m]); int dist; if (m < output_info->npreferred) dist = 0; else if (output_info->mm_height) dist = (1000 * DisplayHeight(dpy, screen) / DisplayHeightMM(dpy, screen) - 1000 * mode_info->height / output_info->mm_height); else dist = DisplayHeight(dpy, screen) - mode_info->height; if (dist < 0) dist = -dist; if (!best || dist < bestDist) { best = mode_info; bestDist = dist; } } return best; } static Bool output_can_use_crtc (output_t *output, crtc_t *crtc) { XRROutputInfo *output_info = output->output_info; int c; for (c = 0; c < output_info->ncrtc; c++) if (output_info->crtcs[c] == crtc->crtc.xid) return True; return False; } static Bool output_can_use_mode (output_t *output, XRRModeInfo *mode) { XRROutputInfo *output_info = output->output_info; int m; for (m = 0; m < output_info->nmode; m++) if (output_info->modes[m] == mode->id) return True; return False; } static Bool crtc_can_use_rotation (crtc_t *crtc, Rotation rotation) { Rotation rotations = crtc->crtc_info->rotations; Rotation dir = rotation & (RR_Rotate_0|RR_Rotate_90|RR_Rotate_180|RR_Rotate_270); Rotation reflect = rotation & (RR_Reflect_X|RR_Reflect_Y); if (((rotations & dir) != 0) && ((rotations & reflect) == reflect)) return True; return False; } static Bool output_can_use_rotation (output_t *output, Rotation rotation) { XRROutputInfo *output_info = output->output_info; int c; /* make sure all of the crtcs can use this rotation. * yes, this is not strictly necessary, but it is * simpler,and we expect most drivers to either * support rotation everywhere or nowhere */ for (c = 0; c < output_info->ncrtc; c++) { crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[c]); if (crtc && !crtc_can_use_rotation (crtc, rotation)) return False; } return True; } static void set_output_info (output_t *output, RROutput xid, XRROutputInfo *output_info) { /* sanity check output info */ if (output_info->connection != RR_Disconnected && !output_info->nmode) fatal ("Output %s is not disconnected but has no modes\n", output_info->name); /* set output name and info */ if (!(output->output.kind & name_xid)) set_name_xid (&output->output, xid); if (!(output->output.kind & name_string)) set_name_string (&output->output, output_info->name); output->output_info = output_info; /* set crtc name and info */ if (!(output->changes & changes_crtc)) set_name_xid (&output->crtc, output_info->crtc); if (output->crtc.kind == name_xid && output->crtc.xid == None) output->crtc_info = NULL; else { output->crtc_info = find_crtc (&output->crtc); if (!output->crtc_info) { if (output->crtc.kind & name_xid) fatal ("cannot find crtc 0x%x\n", output->crtc.xid); if (output->crtc.kind & name_index) fatal ("cannot find crtc %d\n", output->crtc.index); } if (!output_can_use_crtc (output, output->crtc_info)) fatal ("output %s cannot use crtc 0x%x\n", output->output.string, output->crtc_info->crtc.xid); } /* set mode name and info */ if (!(output->changes & changes_mode)) { if (output->crtc_info) set_name_xid (&output->mode, output->crtc_info->crtc_info->mode); else set_name_xid (&output->mode, None); if (output->mode.xid) { output->mode_info = find_mode_by_xid (output->mode.xid); if (!output->mode_info) fatal ("server did not report mode 0x%x for output %s\n", output->mode.xid, output->output.string); } else output->mode_info = NULL; } else if (output->mode.kind == name_xid && output->mode.xid == None) output->mode_info = NULL; else { if (output->mode.kind == name_preferred) output->mode_info = preferred_mode (output); else output->mode_info = find_mode_for_output (output, &output->mode); if (!output->mode_info) { if (output->mode.kind & name_preferred) fatal ("cannot find preferred mode\n"); if (output->mode.kind & name_string) fatal ("cannot find mode %s\n", output->mode.string); if (output->mode.kind & name_xid) fatal ("cannot find mode 0x%x\n", output->mode.xid); } if (!output_can_use_mode (output, output->mode_info)) fatal ("output %s cannot use mode %s\n", output->output.string, output->mode_info->name); } /* set position */ if (!(output->changes & changes_position)) { if (output->crtc_info) { output->x = output->crtc_info->crtc_info->x; output->y = output->crtc_info->crtc_info->y; } else { output->x = 0; output->y = 0; } } /* set rotation */ if (!(output->changes & changes_rotation)) { output->rotation &= ~0xf; if (output->crtc_info) output->rotation |= (output->crtc_info->crtc_info->rotation & 0xf); else output->rotation = RR_Rotate_0; } if (!(output->changes & changes_reflection)) { output->rotation &= ~(RR_Reflect_X|RR_Reflect_Y); if (output->crtc_info) output->rotation |= (output->crtc_info->crtc_info->rotation & (RR_Reflect_X|RR_Reflect_Y)); } if (!output_can_use_rotation (output, output->rotation)) fatal ("output %s cannot use rotation \"%s\" reflection \"%s\"\n", output->output.string, rotation_name (output->rotation), reflection_name (output->rotation)); } static void get_screen (void) { if (!has_1_2) fatal ("Server RandR version before 1.2\n"); XRRGetScreenSizeRange (dpy, root, &minWidth, &minHeight, &maxWidth, &maxHeight); res = XRRGetScreenResources (dpy, root); if (!res) fatal ("could not get screen resources"); } static void get_crtcs (void) { int c; num_crtcs = res->ncrtc; crtcs = calloc (num_crtcs, sizeof (crtc_t)); if (!crtcs) fatal ("out of memory"); for (c = 0; c < res->ncrtc; c++) { XRRCrtcInfo *crtc_info = XRRGetCrtcInfo (dpy, res, res->crtcs[c]); set_name_xid (&crtcs[c].crtc, res->crtcs[c]); set_name_index (&crtcs[c].crtc, c); if (!crtc_info) fatal ("could not get crtc 0x%x information", res->crtcs[c]); crtcs[c].crtc_info = crtc_info; if (crtc_info->mode == None) { crtcs[c].mode_info = NULL; crtcs[c].x = 0; crtcs[c].y = 0; crtcs[c].rotation = RR_Rotate_0; } } } static void crtc_add_output (crtc_t *crtc, output_t *output) { if (crtc->outputs) crtc->outputs = realloc (crtc->outputs, (crtc->noutput + 1) * sizeof (output_t *)); else { crtc->outputs = malloc (sizeof (output_t *)); crtc->x = output->x; crtc->y = output->y; crtc->rotation = output->rotation; crtc->mode_info = output->mode_info; } if (!crtc->outputs) fatal ("out of memory"); crtc->outputs[crtc->noutput++] = output; } static void set_crtcs (void) { output_t *output; for (output = outputs; output; output = output->next) { if (!output->mode_info) continue; crtc_add_output (output->crtc_info, output); } } static Status crtc_disable (crtc_t *crtc) { if (verbose) printf ("crtc %d: disable\n", crtc->crtc.index); if (dryrun) return RRSetConfigSuccess; return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, 0, 0, None, RR_Rotate_0, NULL, 0); } static Status crtc_revert (crtc_t *crtc) { XRRCrtcInfo *crtc_info = crtc->crtc_info; if (verbose) printf ("crtc %d: revert\n", crtc->crtc.index); if (dryrun) return RRSetConfigSuccess; return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, crtc_info->x, crtc_info->y, crtc_info->mode, crtc_info->rotation, crtc_info->outputs, crtc_info->noutput); } static Status crtc_apply (crtc_t *crtc) { RROutput *rr_outputs; int o; Status s; RRMode mode = None; if (!crtc->changing || !crtc->mode_info) return RRSetConfigSuccess; rr_outputs = calloc (crtc->noutput, sizeof (RROutput)); if (!rr_outputs) return BadAlloc; for (o = 0; o < crtc->noutput; o++) rr_outputs[o] = crtc->outputs[o]->output.xid; mode = crtc->mode_info->id; if (verbose) { printf ("crtc %d: %12s %6.1f +%d+%d", crtc->crtc.index, crtc->mode_info->name, mode_refresh (crtc->mode_info), crtc->x, crtc->y); for (o = 0; o < crtc->noutput; o++) printf (" \"%s\"", crtc->outputs[o]->output.string); printf ("\n"); } if (dryrun) s = RRSetConfigSuccess; else s = XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, crtc->x, crtc->y, mode, crtc->rotation, rr_outputs, crtc->noutput); free (rr_outputs); return s; } static void screen_revert (void) { if (verbose) printf ("screen %d: revert\n", screen); if (dryrun) return; XRRSetScreenSize (dpy, root, DisplayWidth (dpy, screen), DisplayHeight (dpy, screen), DisplayWidthMM (dpy, screen), DisplayHeightMM (dpy, screen)); } static void screen_apply (void) { if (fb_width == DisplayWidth (dpy, screen) && fb_height == DisplayHeight (dpy, screen) && fb_width_mm == DisplayWidthMM (dpy, screen) && fb_height_mm == DisplayHeightMM (dpy, screen)) { return; } if (verbose) printf ("screen %d: %dx%d %dx%d mm %6.2fdpi\n", screen, fb_width, fb_height, fb_width_mm, fb_height_mm, dpi); if (dryrun) return; XRRSetScreenSize (dpy, root, fb_width, fb_height, fb_width_mm, fb_height_mm); } static void revert (void) { int c; /* first disable all crtcs */ for (c = 0; c < res->ncrtc; c++) crtc_disable (&crtcs[c]); /* next reset screen size */ screen_revert (); /* now restore all crtcs */ for (c = 0; c < res->ncrtc; c++) crtc_revert (&crtcs[c]); } /* * uh-oh, something bad happened in the middle of changing * the configuration. Revert to the previous configuration * and bail */ static void panic (Status s, crtc_t *crtc) { int c = crtc->crtc.index; char *message; switch (s) { case RRSetConfigSuccess: message = "succeeded"; break; case BadAlloc: message = "out of memory"; break; case RRSetConfigFailed: message = "failed"; break; case RRSetConfigInvalidConfigTime: message = "invalid config time"; break; case RRSetConfigInvalidTime: message = "invalid time"; break; default: message = "unknown failure"; break; } fprintf (stderr, "%s: Configure crtc %d %s\n", program_name, c, message); revert (); exit (1); } void apply (void) { Status s; int c; /* * Turn off any crtcs which are to be disabled or which are * larger than the target size */ for (c = 0; c < res->ncrtc; c++) { crtc_t *crtc = &crtcs[c]; XRRCrtcInfo *crtc_info = crtc->crtc_info; /* if this crtc is already disabled, skip it */ if (crtc_info->mode == None) continue; /* * If this crtc is to be left enabled, make * sure the old size fits then new screen */ if (crtc->mode_info) { XRRModeInfo *old_mode = find_mode_by_xid (crtc_info->mode); int x, y, w, h; if (!old_mode) panic (RRSetConfigFailed, crtc); /* old position and size information */ x = crtc_info->x; y = crtc_info->y; w = mode_width (old_mode, crtc_info->rotation); h = mode_height (old_mode, crtc_info->rotation); /* if it fits, skip it */ if (x + w <= fb_width && y + h <= fb_height) continue; crtc->changing = True; } s = crtc_disable (crtc); if (s != RRSetConfigSuccess) panic (s, crtc); } /* * Hold the server grabbed while messing with * the screen so that apps which notice the resize * event receive up-to-date information */ XGrabServer (dpy); /* * Set the screen size */ screen_apply (); /* * Set crtcs */ for (c = 0; c < res->ncrtc; c++) { crtc_t *crtc = &crtcs[c]; s = crtc_apply (crtc); if (s != RRSetConfigSuccess) panic (s, crtc); } /* * Release the server grab and let all clients * respond to the updated state */ XUngrabServer (dpy); } /* * Use current output state to complete the output list */ void get_outputs (void) { int o; for (o = 0; o < res->noutput; o++) { XRROutputInfo *output_info = XRRGetOutputInfo (dpy, res, res->outputs[o]); output_t *output; name_t output_name; if (!output_info) fatal ("could not get output 0x%x information", res->outputs[o]); set_name_xid (&output_name, res->outputs[o]); set_name_index (&output_name, o); set_name_string (&output_name, output_info->name); output = find_output (&output_name); if (!output) { output = add_output (); set_name_all (&output->output, &output_name); /* * When global --automatic mode is set, turn on connected but off * outputs, turn off disconnected but on outputs */ if (automatic) { switch (output_info->connection) { case RR_Connected: if (!output_info->crtc) { output->changes |= changes_automatic; output->automatic = True; } break; case RR_Disconnected: if (output_info->crtc) { output->changes |= changes_automatic; output->automatic = True; } break; } } } /* * Automatic mode -- track connection state and enable/disable outputs * as necessary */ if (output->automatic) { switch (output_info->connection) { case RR_Connected: case RR_UnknownConnection: if ((!(output->changes & changes_mode))) { set_name_preferred (&output->mode); output->changes |= changes_mode; } break; case RR_Disconnected: if ((!(output->changes & changes_mode))) { set_name_xid (&output->mode, None); set_name_xid (&output->crtc, None); output->changes |= changes_mode; output->changes |= changes_crtc; } break; } } set_output_info (output, res->outputs[o], output_info); } } void mark_changing_crtcs (void) { int c; for (c = 0; c < num_crtcs; c++) { crtc_t *crtc = &crtcs[c]; int o; output_t *output; /* walk old output list (to catch disables) */ for (o = 0; o < crtc->crtc_info->noutput; o++) { output = find_output_by_xid (crtc->crtc_info->outputs[o]); if (!output) fatal ("cannot find output 0x%x\n", crtc->crtc_info->outputs[o]); if (output->changes) crtc->changing = True; } /* walk new output list */ for (o = 0; o < crtc->noutput; o++) { output = crtc->outputs[o]; if (output->changes) crtc->changing = True; } } } /* * Test whether 'crtc' can be used for 'output' */ Bool check_crtc_for_output (crtc_t *crtc, output_t *output) { int c; int l; output_t *other; for (c = 0; c < output->output_info->ncrtc; c++) if (output->output_info->crtcs[c] == crtc->crtc.xid) break; if (c == output->output_info->ncrtc) return False; for (other = outputs; other; other = other->next) { if (other == output) continue; if (other->mode_info == NULL) continue; if (other->crtc_info != crtc) continue; /* see if the output connected to the crtc can clone to this output */ for (l = 0; l < output->output_info->nclone; l++) if (output->output_info->clones[l] == other->output.xid) break; /* not on the list, can't clone */ if (l == output->output_info->nclone) return False; } if (crtc->noutput) { /* make sure the state matches */ if (crtc->mode_info != output->mode_info) return False; if (crtc->x != output->x) return False; if (crtc->y != output->y) return False; if (crtc->rotation != output->rotation) return False; } return True; } crtc_t * find_crtc_for_output (output_t *output) { int c; for (c = 0; c < output->output_info->ncrtc; c++) { crtc_t *crtc; crtc = find_crtc_by_xid (output->output_info->crtcs[c]); if (!crtc) fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]); if (check_crtc_for_output (crtc, output)) return crtc; } return NULL; } static void set_positions (void) { output_t *output; Bool keep_going; Bool any_set; int min_x, min_y; for (;;) { any_set = False; keep_going = False; for (output = outputs; output; output = output->next) { output_t *relation; name_t relation_name; if (!(output->changes & changes_relation)) continue; if (output->mode_info == NULL) continue; init_name (&relation_name); set_name_string (&relation_name, output->relative_to); relation = find_output (&relation_name); if (!relation) fatal ("cannot find output \"%s\"\n", output->relative_to); if (relation->mode_info == NULL) { output->x = 0; output->y = 0; output->changes |= changes_position; any_set = True; continue; } /* * Make sure the dependent object has been set in place */ if ((relation->changes & changes_relation) && !(relation->changes & changes_position)) { keep_going = True; continue; } switch (output->relation) { case left_of: output->y = relation->y; output->x = relation->x - mode_width (output->mode_info, output->rotation); break; case right_of: output->y = relation->y; output->x = relation->x + mode_width (relation->mode_info, relation->rotation); break; case above: output->x = relation->x; output->y = relation->y - mode_height (output->mode_info, output->rotation); break; case below: output->x = relation->x; output->y = relation->y + mode_height (relation->mode_info, relation->rotation); break; case same_as: output->x = relation->x; output->y = relation->y; } output->changes |= changes_position; any_set = True; } if (!keep_going) break; if (!any_set) fatal ("loop in relative position specifications\n"); } /* * Now normalize positions so the upper left corner of all outputs is at 0,0 */ min_x = 32768; min_y = 32768; for (output = outputs; output; output = output->next) { if (output->mode_info == NULL) continue; if (output->x < min_x) min_x = output->x; if (output->y < min_y) min_y = output->y; } if (min_x || min_y) { /* move all outputs */ for (output = outputs; output; output = output->next) { if (output->mode_info == NULL) continue; output->x -= min_x; output->y -= min_y; output->changes |= changes_position; } } } static void set_screen_size (void) { output_t *output; Bool fb_specified = fb_width != 0 && fb_height != 0; for (output = outputs; output; output = output->next) { XRRModeInfo *mode_info = output->mode_info; int x, y, w, h; if (!mode_info) continue; x = output->x; y = output->y; w = mode_width (mode_info, output->rotation); h = mode_height (mode_info, output->rotation); /* make sure output fits in specified size */ if (fb_specified) { if (x + w > fb_width || y + h > fb_height) fatal ("specified screen %dx%d not large enough for output %s (%dx%d+%d+%d)\n", fb_width, fb_height, output->output.string, w, h, x, y); } /* fit fb to output */ else { if (x + w > fb_width) fb_width = x + w; if (y + h > fb_height) fb_height = y + h; } } if (fb_width > maxWidth || fb_height > maxHeight) fatal ("screen cannot be larger than %dx%d (desired size %dx%d)\n", maxWidth, maxHeight, fb_width, fb_height); if (fb_specified) { if (fb_width < minWidth || fb_height < minHeight) fatal ("screen must be at least %dx%d\n", minWidth, minHeight); } else { if (fb_width < minWidth) fb_width = minWidth; if (fb_height < minHeight) fb_height = minHeight; } } #endif void disable_outputs (output_t *outputs) { while (outputs) { outputs->crtc_info = NULL; outputs = outputs->next; } } /* * find the best mapping from output to crtc available */ int pick_crtcs_score (output_t *outputs) { output_t *output; int best_score; int my_score; int score; crtc_t *best_crtc; int c; if (!outputs) return 0; output = outputs; outputs = outputs->next; /* * Score with this output disabled */ output->crtc_info = NULL; best_score = pick_crtcs_score (outputs); if (output->mode_info == NULL) return best_score; best_crtc = NULL; /* * Now score with this output any valid crtc */ for (c = 0; c < output->output_info->ncrtc; c++) { crtc_t *crtc; crtc = find_crtc_by_xid (output->output_info->crtcs[c]); if (!crtc) fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]); /* reset crtc allocation for following outputs */ disable_outputs (outputs); if (!check_crtc_for_output (crtc, output)) continue; my_score = 1000; /* slight preference for existing connections */ if (crtc == output->current_crtc_info) my_score++; output->crtc_info = crtc; score = my_score + pick_crtcs_score (outputs); if (score > best_score) { best_crtc = crtc; best_score = score; } } /* * Reset other outputs based on this one using the best crtc */ if (output->crtc_info != best_crtc) { output->crtc_info = best_crtc; (void) pick_crtcs_score (outputs); } return best_score; } /* * Pick crtcs for any changing outputs that don't have one */ void pick_crtcs (void) { output_t *output; /* * First try to match up newly enabled outputs with spare crtcs */ for (output = outputs; output; output = output->next) { if (output->changes && output->mode_info && !output->crtc_info) { output->crtc_info = find_crtc_for_output (output); if (!output->crtc_info) break; } } /* * Everyone is happy */ if (!output) return; /* * When the simple way fails, see if there is a way * to swap crtcs around and make things work */ for (output = outputs; output; output = output->next) output->current_crtc_info = output->crtc_info; pick_crtcs_score (outputs); for (output = outputs; output; output = output->next) { if (output->mode_info && !output->crtc_info) fatal ("cannot find crtc for output %s\n", output->output.string); if (!output->changes && output->crtc_info != output->current_crtc_info) output->changes |= changes_crtc; } } int main (int argc, char **argv) { XRRScreenSize *sizes; XRRScreenConfiguration *sc; int nsize; int nrate; short *rates; Status status = RRSetConfigFailed; int rot = -1; int query = 0; Rotation rotation, current_rotation, rotations; XRRScreenChangeNotifyEvent event; XRRScreenChangeNotifyEvent *sce; char *display_name = NULL; int i, j; SizeID current_size; short current_rate; float rate = -1; int size = -1; int dirind = 0; Bool setit = False; Bool version = False; int event_base, error_base; int reflection = 0; int width = 0, height = 0; Bool have_pixel_size = False; int ret = 0; #if HAS_RANDR_1_2 output_t *output = NULL; policy_t policy = cloned; Bool setit_1_2 = False; Bool query_1_2 = False; Bool modeit = False; Bool propit = False; Bool query_1 = False; int major, minor; #endif program_name = argv[0]; if (argc == 1) query = True; for (i = 1; i < argc; i++) { if (!strcmp ("-display", argv[i]) || !strcmp ("-d", argv[i])) { if (++i>=argc) usage (); display_name = argv[i]; continue; } if (!strcmp("-help", argv[i])) { usage(); continue; } if (!strcmp ("--verbose", argv[i])) { verbose = True; continue; } if (!strcmp ("--dryrun", argv[i])) { dryrun = True; verbose = True; continue; } if (!strcmp ("-s", argv[i]) || !strcmp ("--size", argv[i])) { if (++i>=argc) usage (); if (sscanf (argv[i], "%dx%d", &width, &height) == 2) have_pixel_size = True; else { size = atoi (argv[i]); if (size < 0) usage(); } setit = True; continue; } if (!strcmp ("-r", argv[i]) || !strcmp ("--rate", argv[i]) || !strcmp ("--refresh", argv[i])) { if (++i>=argc) usage (); if (sscanf (argv[i], "%f", &rate) != 1) usage (); setit = True; #if HAS_RANDR_1_2 if (output) { output->refresh = rate; output->changes |= changes_refresh; setit_1_2 = True; } #endif continue; } if (!strcmp ("-v", argv[i]) || !strcmp ("--version", argv[i])) { version = True; continue; } if (!strcmp ("-x", argv[i])) { reflection |= RR_Reflect_X; setit = True; continue; } if (!strcmp ("-y", argv[i])) { reflection |= RR_Reflect_Y; setit = True; continue; } if (!strcmp ("--screen", argv[i])) { if (++i>=argc) usage (); screen = atoi (argv[i]); if (screen < 0) usage(); continue; } if (!strcmp ("-q", argv[i]) || !strcmp ("--query", argv[i])) { query = True; continue; } if (!strcmp ("-o", argv[i]) || !strcmp ("--orientation", argv[i])) { char *endptr; if (++i>=argc) usage (); dirind = strtol(argv[i], &endptr, 0); if (*endptr != '\0') { for (dirind = 0; dirind < 4; dirind++) { if (strcmp (direction[dirind], argv[i]) == 0) break; } if ((dirind < 0) || (dirind > 3)) usage(); } rot = dirind; setit = True; continue; } #if HAS_RANDR_1_2 if (!strcmp ("--prop", argv[i]) || !strcmp ("--properties", argv[i])) { query_1_2 = True; properties = True; continue; } if (!strcmp ("--output", argv[i])) { if (++i >= argc) usage(); output = add_output (); set_name (&output->output, argv[i], name_string|name_xid); setit_1_2 = True; continue; } if (!strcmp ("--crtc", argv[i])) { if (++i >= argc) usage(); if (!output) usage(); set_name (&output->crtc, argv[i], name_xid|name_index); output->changes |= changes_crtc; continue; } if (!strcmp ("--mode", argv[i])) { if (++i >= argc) usage(); if (!output) usage(); set_name (&output->mode, argv[i], name_string|name_xid); output->changes |= changes_mode; continue; } if (!strcmp ("--preferred", argv[i])) { if (!output) usage(); set_name_preferred (&output->mode); output->changes |= changes_mode; continue; } if (!strcmp ("--pos", argv[i])) { if (++i>=argc) usage (); if (!output) usage(); if (sscanf (argv[i], "%dx%d", &output->x, &output->y) != 2) usage (); output->changes |= changes_position; continue; } if (!strcmp ("--rotation", argv[i]) || !strcmp ("--rotate", argv[i])) { if (++i>=argc) usage (); if (!output) usage(); for (dirind = 0; dirind < 4; dirind++) { if (strcmp (direction[dirind], argv[i]) == 0) break; } if (dirind == 4) usage (); output->rotation &= ~0xf; output->rotation |= 1 << dirind; output->changes |= changes_rotation; continue; } if (!strcmp ("--reflect", argv[i]) || !strcmp ("--reflection", argv[i])) { if (++i>=argc) usage (); if (!output) usage(); for (dirind = 0; dirind < 4; dirind++) { if (strcmp (reflections[dirind], argv[i]) == 0) break; } if (dirind == 4) usage (); output->rotation &= ~(RR_Reflect_X|RR_Reflect_Y); output->rotation |= dirind * RR_Reflect_X; output->changes |= changes_reflection; continue; } if (!strcmp ("--left-of", argv[i])) { if (++i>=argc) usage (); if (!output) usage(); output->relation = left_of; output->relative_to = argv[i]; output->changes |= changes_relation; continue; } if (!strcmp ("--right-of", argv[i])) { if (++i>=argc) usage (); if (!output) usage(); output->relation = right_of; output->relative_to = argv[i]; output->changes |= changes_relation; continue; } if (!strcmp ("--above", argv[i])) { if (++i>=argc) usage (); if (!output) usage(); output->relation = above; output->relative_to = argv[i]; output->changes |= changes_relation; continue; } if (!strcmp ("--below", argv[i])) { if (++i>=argc) usage (); if (!output) usage(); output->relation = below; output->relative_to = argv[i]; output->changes |= changes_relation; continue; } if (!strcmp ("--same-as", argv[i])) { if (++i>=argc) usage (); if (!output) usage(); output->relation = same_as; output->relative_to = argv[i]; output->changes |= changes_relation; continue; } if (!strcmp ("--set", argv[i])) { output_prop_t *prop; if (!output) usage(); prop = malloc (sizeof (output_prop_t)); prop->next = output->props; output->props = prop; if (++i>=argc) usage (); prop->name = argv[i]; if (++i>=argc) usage (); prop->value = argv[i]; propit = True; output->changes |= changes_property; setit_1_2 = True; continue; } if (!strcmp ("--off", argv[i])) { if (!output) usage(); set_name_xid (&output->mode, None); set_name_xid (&output->crtc, None); output->changes |= changes_mode; continue; } if (!strcmp ("--fb", argv[i])) { if (++i>=argc) usage (); if (sscanf (argv[i], "%dx%d", &fb_width, &fb_height) != 2) usage (); setit_1_2 = True; continue; } if (!strcmp ("--fbmm", argv[i])) { if (++i>=argc) usage (); if (sscanf (argv[i], "%dx%d", &fb_width_mm, &fb_height_mm) != 2) usage (); setit_1_2 = True; continue; } if (!strcmp ("--dpi", argv[i])) { if (++i>=argc) usage (); if (sscanf (argv[i], "%f", &dpi) != 1) { dpi = 0.0; dpi_output = argv[i]; } setit_1_2 = True; continue; } if (!strcmp ("--clone", argv[i])) { policy = cloned; setit_1_2 = True; continue; } if (!strcmp ("--extend", argv[i])) { policy = extend; setit_1_2 = True; continue; } if (!strcmp ("--auto", argv[i])) { if (output) { output->automatic = True; output->changes |= changes_automatic; } else automatic = True; setit_1_2 = True; continue; } if (!strcmp ("--q12", argv[i])) { query_1_2 = True; continue; } if (!strcmp ("--q1", argv[i])) { query_1 = True; continue; } if (!strcmp ("--newmode", argv[i])) { umode_t *m = malloc (sizeof (umode_t)); float clock; ++i; if (i + 9 >= argc) usage (); m->mode.name = argv[i]; m->mode.nameLength = strlen (argv[i]); i++; if (sscanf (argv[i++], "%f", &clock) != 1) usage (); m->mode.dotClock = clock * 1e6; if (sscanf (argv[i++], "%d", &m->mode.width) != 1) usage(); if (sscanf (argv[i++], "%d", &m->mode.hSyncStart) != 1) usage(); if (sscanf (argv[i++], "%d", &m->mode.hSyncEnd) != 1) usage(); if (sscanf (argv[i++], "%d", &m->mode.hTotal) != 1) usage(); if (sscanf (argv[i++], "%d", &m->mode.height) != 1) usage(); if (sscanf (argv[i++], "%d", &m->mode.vSyncStart) != 1) usage(); if (sscanf (argv[i++], "%d", &m->mode.vSyncEnd) != 1) usage(); if (sscanf (argv[i++], "%d", &m->mode.vTotal) != 1) usage(); m->mode.modeFlags = 0; while (i < argc) { int f; for (f = 0; mode_flags[f].string; f++) if (!strcasecmp (mode_flags[f].string, argv[i])) break; if (!mode_flags[f].string) break; m->mode.modeFlags |= mode_flags[f].flag; i++; } m->next = umodes; m->action = umode_create; umodes = m; modeit = True; continue; } if (!strcmp ("--rmmode", argv[i])) { umode_t *m = malloc (sizeof (umode_t)); if (++i>=argc) usage (); set_name (&m->name, argv[i], name_string|name_xid); m->action = umode_destroy; m->next = umodes; umodes = m; modeit = True; continue; } if (!strcmp ("--addmode", argv[i])) { umode_t *m = malloc (sizeof (umode_t)); if (++i>=argc) usage (); set_name (&m->output, argv[i], name_string|name_xid); if (++i>=argc) usage(); set_name (&m->name, argv[i], name_string|name_xid); m->action = umode_add; m->next = umodes; umodes = m; modeit = True; continue; } if (!strcmp ("--delmode", argv[i])) { umode_t *m = malloc (sizeof (umode_t)); if (++i>=argc) usage (); set_name (&m->output, argv[i], name_string|name_xid); if (++i>=argc) usage(); set_name (&m->name, argv[i], name_string|name_xid); m->action = umode_delete; m->next = umodes; umodes = m; modeit = True; continue; } #endif usage(); } if (verbose) { query = True; if (setit && !setit_1_2) query_1 = True; } dpy = XOpenDisplay (display_name); if (dpy == NULL) { fprintf (stderr, "Can't open display %s\n", XDisplayName(display_name)); exit (1); } if (screen < 0) screen = DefaultScreen (dpy); if (screen >= ScreenCount (dpy)) { fprintf (stderr, "Invalid screen number %d (display has %d)\n", screen, ScreenCount (dpy)); exit (1); } root = RootWindow (dpy, screen); #if HAS_RANDR_1_2 if (!XRRQueryVersion (dpy, &major, &minor)) { fprintf (stderr, "RandR extension missing\n"); exit (1); } if (major > 1 || (major == 1 && minor >= 2)) has_1_2 = True; if (has_1_2 && modeit) { umode_t *m; get_screen (); get_crtcs(); get_outputs(); for (m = umodes; m; m = m->next) { XRRModeInfo *e; output_t *o; switch (m->action) { case umode_create: XRRCreateMode (dpy, root, &m->mode); break; case umode_destroy: e = find_mode (&m->name, 0); if (!e) fatal ("cannot find mode \"%s\"\n", m->name.string); XRRDestroyMode (dpy, e->id); break; case umode_add: o = find_output (&m->output); if (!o) fatal ("cannot find output \"%s\"\n", m->output.string); e = find_mode (&m->name, 0); if (!e) fatal ("cannot find mode \"%s\"\n", m->name.string); XRRAddOutputMode (dpy, o->output.xid, e->id); break; case umode_delete: o = find_output (&m->output); if (!o) fatal ("cannot find output \"%s\"\n", m->output.string); e = find_mode (&m->name, 0); if (!e) fatal ("cannot find mode \"%s\"\n", m->name.string); XRRDeleteOutputMode (dpy, o->output.xid, e->id); break; } } if (!setit_1_2) { XSync (dpy, False); exit (0); } } if (has_1_2 && propit) { get_screen (); get_crtcs(); get_outputs(); for (output = outputs; output; output = output->next) { output_prop_t *prop; for (prop = output->props; prop; prop = prop->next) { Atom name = XInternAtom (dpy, prop->name, False); Atom type; int format; unsigned char *data = NULL; int nelements = 0; int int_value; unsigned long ulong_value; unsigned char *prop_data; int actual_format; unsigned long nitems, bytes_after; Atom actual_type; XRRPropertyInfo *propinfo; type = AnyPropertyType; format=0; if (XRRGetOutputProperty (dpy, output->output.xid, name, 0, 100, False, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop_data) == Success && (propinfo = XRRQueryOutputProperty(dpy, output->output.xid, name))) { type = actual_type; format = actual_format; } if ((type == XA_INTEGER || type == AnyPropertyType) && (sscanf (prop->value, "%d", &int_value) == 1 || sscanf (prop->value, "0x%x", &int_value) == 1)) { type = XA_INTEGER; ulong_value = int_value; data = (unsigned char *) &ulong_value; nelements = 1; format = 32; } else if ((type == XA_ATOM)) { ulong_value = XInternAtom (dpy, prop->value, False); data = (unsigned char *) &ulong_value; nelements = 1; format = 32; } else if ((type == XA_STRING || type == AnyPropertyType)) { type = XA_STRING; data = (unsigned char *) prop->value; nelements = strlen (prop->value); format = 8; } XRRChangeOutputProperty (dpy, output->output.xid, name, type, format, PropModeReplace, data, nelements); } } if (!setit_1_2) { XSync (dpy, False); exit (0); } } if (setit_1_2) { get_screen (); get_crtcs (); get_outputs (); set_positions (); set_screen_size (); pick_crtcs (); /* * Assign outputs to crtcs */ set_crtcs (); /* * Mark changing crtcs */ mark_changing_crtcs (); /* * If an output was specified to track dpi, use it */ if (dpi_output) { output_t *output = find_output_by_name (dpi_output); XRROutputInfo *output_info; XRRModeInfo *mode_info; if (!output) fatal ("Cannot find output %s\n", dpi_output); output_info = output->output_info; mode_info = output->mode_info; if (output_info && mode_info && output_info->mm_height) { /* * When this output covers the whole screen, just use * the known physical size */ if (fb_width == mode_info->width && fb_height == mode_info->height) { fb_width_mm = output_info->mm_width; fb_height_mm = output_info->mm_height; } else { dpi = (25.4 * mode_info->height) / output_info->mm_height; } } } /* * Compute physical screen size */ if (fb_width_mm == 0 || fb_height_mm == 0) { if (fb_width != DisplayWidth (dpy, screen) || fb_height != DisplayHeight (dpy, screen) || dpi != 0.0) { if (dpi <= 0) dpi = (25.4 * DisplayHeight (dpy, screen)) / DisplayHeightMM(dpy, screen); fb_width_mm = (25.4 * fb_width) / dpi; fb_height_mm = (25.4 * fb_height) / dpi; } else { fb_width_mm = DisplayWidthMM (dpy, screen); fb_height_mm = DisplayHeightMM (dpy, screen); } } /* * Now apply all of the changes */ apply (); XSync (dpy, False); exit (0); } if (query_1_2 || (query && has_1_2 && !query_1)) { output_t *output; #define ModeShown 0x80000000 get_screen (); get_crtcs (); get_outputs (); printf ("<screen id=\"%d\" minimum_w=\"%d\" minimum_h=\"%d\" current_w=\"%d\" current_h=\"%d\" maximum_w=\"%d\" maximum_h=\"%d\">\n", screen, minWidth, minHeight, DisplayWidth (dpy, screen), DisplayHeight(dpy, screen), maxWidth, maxHeight); for (output = outputs; output; output = output->next) { XRROutputInfo *output_info = output->output_info; XRRModeInfo *mode = output->mode_info; Atom *props; int j, k, nprop; Bool *mode_shown; printf (" <output name=\"%s\" connected=\"%s\"", output_info->name, connection[output_info->connection]); if (mode) { printf (" w=\"%d\" h=\"%d\" x=\"%d\" y=\"%d\"", mode_width (mode, output->rotation), mode_height (mode, output->rotation), output->x, output->y); if (verbose) printf (" id=\"%lx\"", mode->id); if (output->rotation != RR_Rotate_0 || verbose) { printf (" rotation=\"%s\"", rotation_name (output->rotation)); if (output->rotation & (RR_Reflect_X|RR_Reflect_Y)) printf (" reflection=\"%s\"", reflection_name (output->rotation)); } } /* if (rotations != RR_Rotate_0 || verbose) { Bool first = True; printf (" ("); for (i = 0; i < 4; i ++) { if ((rotations >> i) & 1) { if (!first) printf (" "); first = False; printf("%s", direction[i]); first = False; } } if (rotations & RR_Reflect_X) { if (!first) printf (" "); first = False; printf ("x axis"); } if (rotations & RR_Reflect_Y) { if (!first) printf (" "); first = False; printf ("y axis"); } printf (")"); } */ if (mode) { printf (" wmm=\"%lu\" hmm=\"%lu\"", output_info->mm_width, output_info->mm_height); } printf (">\n"); if (verbose) { printf ("\tIdentifier: 0x%lx\n", output->output.xid); printf ("\tTimestamp: %lu\n", output_info->timestamp); printf ("\tSubpixel: %s\n", order[output_info->subpixel_order]); printf ("\tClones: "); for (j = 0; j < output_info->nclone; j++) { output_t *cloned = find_output_by_xid (output_info->clones[j]); if (cloned) printf (" %s", cloned->output.string); } printf ("\n"); if (output->crtc_info) printf ("\tCRTC: %d\n", output->crtc_info->crtc.index); printf ("\tCRTCs: "); for (j = 0; j < output_info->ncrtc; j++) { crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[j]); if (crtc) printf (" %d", crtc->crtc.index); } printf ("\n"); } if (verbose || properties) { props = XRRListOutputProperties (dpy, output->output.xid, &nprop); for (j = 0; j < nprop; j++) { unsigned char *prop; int actual_format; unsigned long nitems, bytes_after; Atom actual_type; XRRPropertyInfo *propinfo; XRRGetOutputProperty (dpy, output->output.xid, props[j], 0, 100, False, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop); propinfo = XRRQueryOutputProperty(dpy, output->output.xid, props[j]); if (actual_type == XA_INTEGER && actual_format == 8) { int k; printf("\t%s:\n", XGetAtomName (dpy, props[j])); for (k = 0; k < nitems; k++) { if (k % 16 == 0) printf ("\t\t"); printf("%02x", (unsigned char)prop[k]); if (k % 16 == 15) printf("\n"); } } else if (actual_type == XA_INTEGER && actual_format == 32) { printf("\t%s: %d (0x%08x)", XGetAtomName (dpy, props[j]), *(int32_t*)prop, *(uint32_t*)prop); if (propinfo->range && propinfo->num_values > 0) { printf(" range%s: ", (propinfo->num_values == 2) ? "" : "s"); for (k = 0; k < propinfo->num_values / 2; k++) printf(" (%ld,%ld)", propinfo->values[k * 2], propinfo->values[k * 2 + 1]); } printf("\n"); } else if (actual_type == XA_ATOM && actual_format == 32) { printf("\t%s: %s", XGetAtomName (dpy, props[j]), XGetAtomName (dpy, *(Atom *)prop)); if (!propinfo->range && propinfo->num_values > 0) { printf("\n\t\tsupported:"); for (k = 0; k < propinfo->num_values; k++) { printf(" %-12.12s", XGetAtomName (dpy, propinfo->values[k])); if (k % 4 == 3 && k < propinfo->num_values - 1) printf ("\n\t\t "); } } printf("\n"); } else if (actual_format == 8) { printf ("\t\t%s: %s%s\n", XGetAtomName (dpy, props[j]), prop, bytes_after ? "..." : ""); } else { printf ("\t\t%s: ????\n", XGetAtomName (dpy, props[j])); } free(propinfo); } printf(" </output>\n"); } if (verbose) { for (j = 0; j < output_info->nmode; j++) { XRRModeInfo *mode = find_mode_by_xid (output_info->modes[j]); int f; printf (" %s (0x%lx) %6.1fMHz", mode->name, mode->id, (float)mode->dotClock / 1000000.0); for (f = 0; mode_flags[f].flag; f++) if (mode->modeFlags & mode_flags[f].flag) printf (" %s", mode_flags[f].string); printf ("\n"); printf (" h: width %4d start %4d end %4d total %4d skew %4d clock %6.1fKHz\n", mode->width, mode->hSyncStart, mode->hSyncEnd, mode->hTotal, mode->hSkew, mode_hsync (mode) / 1000); printf (" v: height %4d start %4d end %4d total %4d clock %6.1fHz\n", mode->height, mode->vSyncStart, mode->vSyncEnd, mode->vTotal, mode_refresh (mode)); mode->modeFlags |= ModeShown; } } else { mode_shown = calloc (output_info->nmode, sizeof (Bool)); if (!mode_shown) fatal ("out of memory\n"); for (j = 0; j < output_info->nmode; j++) { XRRModeInfo *jmode, *kmode; if (mode_shown[j]) continue; jmode = find_mode_by_xid (output_info->modes[j]); for (k = j; k < output_info->nmode; k++) { if (mode_shown[k]) continue; kmode = find_mode_by_xid (output_info->modes[k]); if (strcmp (jmode->name, kmode->name) != 0) continue; mode_shown[k] = True; kmode->modeFlags |= ModeShown; printf (" <mode id=\"0x%lx\" name=\"%s\" w=\"%d\" h=\"%d\" hz=\"%.5f\"", kmode->id, kmode->name, kmode->width, kmode->height, mode_refresh (kmode)); if (kmode == output->mode_info) printf (" current=\"true\""); else printf (" current=\"false\""); if (k < output_info->npreferred) printf (" preferred=\"true\""); else printf (" preferred=\"false\""); printf("/>\n"); } } free (mode_shown); } printf(" </output>\n"); } /* printf(" <unused>\n"); for (m = 0; m < res->nmode; m++) { XRRModeInfo *mode = &res->modes[m]; if (!(mode->modeFlags & ModeShown)) { printf (" <modeline name=\"%s\" id=\"%x\" mhz=\"%.1f\"", mode->name, mode->id, (float)mode->dotClock / 1000000.0); printf (" hwidth=\"%d\" hstart=\"%d\" hend=\"%d\" htotal=\"%d\" hskew=\"%d=\" hclock=\"%.1fKHz\"", mode->width, mode->hSyncStart, mode->hSyncEnd, mode->hTotal, mode->hSkew, mode_hsync (mode) / 1000); printf (" vheight=\"%d\" vstart=\"%d\" vend=\"%d\" vtotal=\"%d\" vclock=\"%.1fHz\"/>\n", mode->height, mode->vSyncStart, mode->vSyncEnd, mode->vTotal, mode_refresh (mode)); } } printf(" </unused>\n"); */ printf("</screen>\n"); exit (0); } #endif sc = XRRGetScreenInfo (dpy, root); if (sc == NULL) exit (1); current_size = XRRConfigCurrentConfiguration (sc, ¤t_rotation); sizes = XRRConfigSizes(sc, &nsize); if (have_pixel_size) { for (size = 0; size < nsize; size++) { if (sizes[size].width == width && sizes[size].height == height) break; } if (size >= nsize) { fprintf (stderr, "Size %dx%d not found in available modes\n", width, height); exit (1); } } else if (size < 0) size = current_size; else if (size >= nsize) { fprintf (stderr, "Size index %d is too large, there are only %d sizes\n", size, nsize); exit (1); } if (rot < 0) { for (rot = 0; rot < 4; rot++) if (1 << rot == (current_rotation & 0xf)) break; } current_rate = XRRConfigCurrentRate (sc); if (rate < 0) { if (size == current_size) rate = current_rate; else rate = 0; } else { rates = XRRConfigRates (sc, size, &nrate); for (i = 0; i < nrate; i++) if (rate == rates[i]) break; if (i == nrate) { fprintf (stderr, "Rate %.1f Hz not available for this size\n", rate); exit (1); } } if (version) { int major_version, minor_version; XRRQueryVersion (dpy, &major_version, &minor_version); printf("Server reports RandR version %d.%d\n", major_version, minor_version); } if (query || query_1) { printf(" SZ: Pixels Physical Refresh\n"); for (i = 0; i < nsize; i++) { printf ("%c%-2d %5d x %-5d (%4dmm x%4dmm )", i == current_size ? '*' : ' ', i, sizes[i].width, sizes[i].height, sizes[i].mwidth, sizes[i].mheight); rates = XRRConfigRates (sc, i, &nrate); if (nrate) printf (" "); for (j = 0; j < nrate; j++) printf ("%c%-4d", i == current_size && rates[j] == current_rate ? '*' : ' ', rates[j]); printf ("\n"); } } rotations = XRRConfigRotations(sc, ¤t_rotation); rotation = 1 << rot ; if (query) { printf("Current rotation - %s\n", rotation_name (current_rotation)); printf("Current reflection - %s\n", reflection_name (current_rotation)); printf ("Rotations possible - "); for (i = 0; i < 4; i ++) { if ((rotations >> i) & 1) printf("%s ", direction[i]); } printf ("\n"); printf ("Reflections possible - "); if (rotations & (RR_Reflect_X|RR_Reflect_Y)) { if (rotations & RR_Reflect_X) printf ("X Axis "); if (rotations & RR_Reflect_Y) printf ("Y Axis"); } else printf ("none"); printf ("\n"); } if (verbose) { printf("Setting size to %d, rotation to %s\n", size, direction[rot]); printf ("Setting reflection on "); if (reflection) { if (reflection & RR_Reflect_X) printf ("X Axis "); if (reflection & RR_Reflect_Y) printf ("Y Axis"); } else printf ("neither axis"); printf ("\n"); if (reflection & RR_Reflect_X) printf("Setting reflection on X axis\n"); if (reflection & RR_Reflect_Y) printf("Setting reflection on Y axis\n"); } /* we should test configureNotify on the root window */ XSelectInput (dpy, root, StructureNotifyMask); if (setit && !dryrun) XRRSelectInput (dpy, root, RRScreenChangeNotifyMask); if (setit && !dryrun) status = XRRSetScreenConfigAndRate (dpy, sc, DefaultRootWindow (dpy), (SizeID) size, (Rotation) (rotation | reflection), rate, CurrentTime); XRRQueryExtension(dpy, &event_base, &error_base); if (setit && !dryrun && status == RRSetConfigFailed) { printf ("Failed to change the screen configuration!\n"); ret = 1; } if (verbose && setit && !dryrun && size != current_size) { if (status == RRSetConfigSuccess) { Bool seen_screen = False; while (!seen_screen) { int spo; XNextEvent(dpy, (XEvent *) &event); printf ("Event received, type = %d\n", event.type); /* update Xlib's knowledge of the event */ XRRUpdateConfiguration ((XEvent*)&event); if (event.type == ConfigureNotify) printf("Received ConfigureNotify Event!\n"); switch (event.type - event_base) { case RRScreenChangeNotify: sce = (XRRScreenChangeNotifyEvent *) &event; printf("Got a screen change notify event!\n"); printf(" window = %d\n root = %d\n size_index = %d\n rotation %d\n", (int) sce->window, (int) sce->root, sce->size_index, sce->rotation); printf(" timestamp = %ld, config_timestamp = %ld\n", sce->timestamp, sce->config_timestamp); printf(" Rotation = %x\n", sce->rotation); printf(" %d X %d pixels, %d X %d mm\n", sce->width, sce->height, sce->mwidth, sce->mheight); printf("Display width %d, height %d\n", DisplayWidth(dpy, screen), DisplayHeight(dpy, screen)); printf("Display widthmm %d, heightmm %d\n", DisplayWidthMM(dpy, screen), DisplayHeightMM(dpy, screen)); spo = sce->subpixel_order; if ((spo < 0) || (spo > 5)) printf ("Unknown subpixel order, value = %d\n", spo); else printf ("new Subpixel rendering model is %s\n", order[spo]); seen_screen = True; break; default: if (event.type != ConfigureNotify) printf("unknown event received, type = %d!\n", event.type); } } } } XRRFreeScreenConfigInfo(sc); return(ret); }