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-rw-r--r--xbmc-xrandr.c2679
1 files changed, 2679 insertions, 0 deletions
diff --git a/xbmc-xrandr.c b/xbmc-xrandr.c
new file mode 100644
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--- /dev/null
+++ b/xbmc-xrandr.c
@@ -0,0 +1,2679 @@
+/*
+ * 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 <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 {
+ clone, 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_by_name (char *name)
+{
+ name_t mode_name;
+ init_name (&mode_name);
+ set_name_string (&mode_name, name);
+ 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;
+}
+
+/*
+ * Report only rotations that are supported by all crtcs
+ */
+static Rotation
+output_rotations (output_t *output)
+{
+ Bool found = False;
+ Rotation rotation = RR_Rotate_0;
+ XRROutputInfo *output_info = output->output_info;
+ int c;
+
+ for (c = 0; c < output_info->ncrtc; c++)
+ {
+ crtc_t *crtc = find_crtc_by_xid (output_info->crtcs[c]);
+ if (crtc)
+ {
+ if (!found) {
+ rotation = crtc->crtc_info->rotations;
+ found = True;
+ } else
+ rotation &= crtc->crtc_info->rotations;
+ }
+ }
+ return rotation;
+}
+
+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 and ask for xinerama information from the server
+ * 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;
+ XEvent 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 = clone;
+ 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 = clone;
+ 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;
+ int nelements;
+ 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;
+ int m;
+
+#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;
+ Rotation rotations = output_rotations (output);
+
+ 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=\"%x\"", 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=\"%d\" hmm=\"%d\"",
+ output_info->mm_width, output_info->mm_height);
+ }
+ printf (">\n");
+
+ if (verbose)
+ {
+ printf ("\tIdentifier: 0x%x\n", output->output.xid);
+ printf ("\tTimestamp: %d\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 *clone = find_output_by_xid (output_info->clones[j]);
+
+ if (clone) printf (" %s", clone->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 *)prop, *(INT32 *)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(" (%d,%d)", 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%x) %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%x\" 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, &current_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, &current_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 (&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);
+}
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-24 03:34:49 +0000