2130 lines
54 KiB
C
2130 lines
54 KiB
C
#include <stdio.h>
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#include <X11/Xlib.h>
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#include <X11/Xlibint.h>
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#include <X11/Xproto.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/Xrandr.h>
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#include <X11/extensions/Xrender.h>
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#include <strings.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <stdarg.h>
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#include <math.h>
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#include <unistd.h>
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#include "rxrandr.h"
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static char *program_name;
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static Display *dpy;
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static Window root;
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static int screen = -1;
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static Bool verbose = False;
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static Bool automatic = False;
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static Bool grab_server = True;
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static Bool no_primary = False;
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static int filter_type = -1;
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static const char *filter_names[2] =
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{ "bilinear", "nearest" };
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static const char *direction[5] =
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{ "normal", "left", "inverted", "right", "\n" };
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static void _X_NORETURN _X_ATTRIBUTE_PRINTF(1, 2) fatal(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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fprintf(stderr, "%s: ", program_name);
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vfprintf(stderr, format, ap);
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va_end(ap);
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exit(1);
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}
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static void _X_ATTRIBUTE_PRINTF(1, 2) warning(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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fprintf(stderr, "%s: ", program_name);
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vfprintf(stderr, format, ap);
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va_end(ap);
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}
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static void _X_NORETURN _X_ATTRIBUTE_PRINTF(1, 2) argerr(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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fprintf(stderr, "%s: ", program_name);
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vfprintf(stderr, format, ap);
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fprintf(stderr, "Try '%s --help' for more information.\n", program_name);
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va_end(ap);
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exit(1);
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}
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static inline double dmin(double x, double y)
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{
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return x < y ? x : y;
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}
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static const char*
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rotation_name(Rotation rotation)
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{
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int i;
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if ((rotation & 0xf) == 0)
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return "normal";
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for (i = 0; i < 4; i++)
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if (rotation & (1 << i))
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return direction[i];
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return "invalid rotation";
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}
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static const char*
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reflection_name(Rotation rotation)
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{
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rotation &= (RR_Reflect_X | RR_Reflect_Y);
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switch (rotation)
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{
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case 0:
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return "none";
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case RR_Reflect_X:
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return "X axis";
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case RR_Reflect_Y:
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return "Y axis";
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case RR_Reflect_X | RR_Reflect_Y:
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return "X and Y axis";
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}
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return "invalid reflection";
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}
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typedef enum _relation
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{
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relation_left_of, relation_right_of, relation_above, relation_below, relation_same_as,
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} relation_t;
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typedef struct
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{
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int x, y, width, height;
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} rectangle_t;
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typedef struct
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{
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int x1, y1, x2, y2;
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} box_t;
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typedef struct
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{
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int x, y;
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} point_t;
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typedef enum _changes
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{
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changes_none = 0,
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changes_crtc = (1 << 0),
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changes_mode = (1 << 1),
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changes_relation = (1 << 2),
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changes_position = (1 << 3),
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changes_rotation = (1 << 4),
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changes_reflection = (1 << 5),
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changes_automatic = (1 << 6),
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changes_refresh = (1 << 7),
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changes_property = (1 << 8),
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changes_transform = (1 << 9),
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changes_panning = (1 << 10),
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changes_gamma = (1 << 11),
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changes_primary = (1 << 12),
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changes_filter = (1 << 13),
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} changes_t;
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typedef enum _name_kind
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{
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name_none = 0, name_string = (1 << 0), name_xid = (1 << 1), name_index = (1 << 2), name_preferred = (1 << 3),
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} name_kind_t;
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typedef struct
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{
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name_kind_t kind;
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char *string;
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XID xid;
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int index;
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} name_t;
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typedef struct _crtc crtc_t;
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typedef struct _output output_t;
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typedef struct _transform transform_t;
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typedef struct _umode umode_t;
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typedef struct _output_prop output_prop_t;
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typedef struct _provider provider_t;
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typedef struct _monitors monitors_t;
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typedef struct _umonitor umonitor_t;
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struct _transform
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{
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XTransform transform;
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const char *filter;
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int nparams;
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XFixed *params;
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};
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struct _crtc
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{
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name_t crtc;
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Bool changing;
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XRRCrtcInfo *crtc_info;
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XRRModeInfo *mode_info;
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XRRPanning *panning_info;
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int x;
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int y;
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Rotation rotation;
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output_t **outputs;
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int noutput;
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transform_t current_transform, pending_transform;
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};
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struct _output_prop
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{
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struct _output_prop *next;
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char *name;
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char *value;
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};
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struct _output
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{
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struct _output *next;
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changes_t changes;
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output_prop_t *props;
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name_t output;
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XRROutputInfo *output_info;
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name_t crtc;
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crtc_t *crtc_info;
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crtc_t *current_crtc_info;
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name_t mode;
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double refresh;
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XRRModeInfo *mode_info;
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name_t addmode;
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relation_t relation;
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char *relative_to;
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int x, y;
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Rotation rotation;
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XRRPanning panning;
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Bool automatic;
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int scale_from_w, scale_from_h;
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transform_t transform;
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struct
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{
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float red;
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float green;
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float blue;
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} gamma;
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float brightness;
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Bool primary;
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Bool found;
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};
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typedef enum _umode_action
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{
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umode_create, umode_destroy, umode_add, umode_delete
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} umode_action_t;
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struct _umode
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{
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struct _umode *next;
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umode_action_t action;
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XRRModeInfo mode;
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name_t output;
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name_t name;
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};
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struct _provider
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{
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name_t provider;
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XRRProviderInfo *info;
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};
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struct _monitors
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{
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int n;
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XRRMonitorInfo *monitors;
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};
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struct _umonitor
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{
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struct _umonitor *next;
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char *name;
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Bool set;
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Bool primary;
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int x, y, width, height;
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int mmwidth, mmheight;
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int noutput;
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name_t *outputs;
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};
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#define OUTPUT_NAME 1
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#define CRTC_OFF 2
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#define CRTC_UNSET 3
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#define CRTC_INDEX 0x40000000
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#define MODE_NAME 1
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#define MODE_OFF 2
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#define MODE_UNSET 3
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#define MODE_PREF 4
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#define POS_UNSET -1
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static output_t *all_outputs = NULL;
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static output_t **all_outputs_tail = &all_outputs;
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static crtc_t *crtcs;
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static int num_crtcs;
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static XRRScreenResources *res;
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static int fb_width = 0, fb_height = 0;
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static int fb_width_mm = 0, fb_height_mm = 0;
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static double dpi = 0;
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static Bool dryrun = False;
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static int minWidth, maxWidth, minHeight, maxHeight;
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static Bool has_1_2 = False;
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static Bool has_1_3 = False;
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static Bool has_1_4 = False;
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static Bool has_1_5 = False;
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static monitors_t *monitors;
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static int mode_height(XRRModeInfo *mode_info, Rotation rotation)
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{
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switch (rotation & 0xf)
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{
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case RR_Rotate_0:
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case RR_Rotate_180:
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return mode_info->height;
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case RR_Rotate_90:
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case RR_Rotate_270:
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return mode_info->width;
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default:
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return 0;
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}
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}
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static int mode_width(XRRModeInfo *mode_info, Rotation rotation)
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{
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switch (rotation & 0xf)
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{
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case RR_Rotate_0:
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case RR_Rotate_180:
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return mode_info->width;
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case RR_Rotate_90:
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case RR_Rotate_270:
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return mode_info->height;
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default:
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return 0;
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}
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}
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static Bool transform_point(XTransform *transform, double *xp, double *yp)
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{
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double vector[3];
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double result[3];
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int i, j;
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double v;
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vector[0] = *xp;
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vector[1] = *yp;
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vector[2] = 1;
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for (j = 0; j < 3; j++)
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{
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v = 0;
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for (i = 0; i < 3; i++)
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v += (XFixedToDouble(transform->matrix[j][i]) * vector[i]);
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result[j] = v;
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}
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if (!result[2])
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return False;
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for (j = 0; j < 2; j++)
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{
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vector[j] = result[j] / result[2];
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if (vector[j] > 32767 || vector[j] < -32767)
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return False;
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}
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*xp = vector[0];
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*yp = vector[1];
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return True;
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}
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static void path_bounds(XTransform *transform, point_t *points, int npoints, box_t *box)
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{
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int i;
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box_t point;
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for (i = 0; i < npoints; i++)
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{
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double x, y;
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x = points[i].x;
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y = points[i].y;
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transform_point(transform, &x, &y);
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point.x1 = floor(x);
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point.y1 = floor(y);
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point.x2 = ceil(x);
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point.y2 = ceil(y);
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if (i == 0)
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*box = point;
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else
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{
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if (point.x1 < box->x1)
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box->x1 = point.x1;
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if (point.y1 < box->y1)
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box->y1 = point.y1;
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if (point.x2 > box->x2)
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box->x2 = point.x2;
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if (point.y2 > box->y2)
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box->y2 = point.y2;
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}
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}
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}
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static void mode_geometry(XRRModeInfo *mode_info, Rotation rotation, XTransform *transform, box_t *bounds)
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{
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point_t rect[4];
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int width = mode_width(mode_info, rotation);
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int height = mode_height(mode_info, rotation);
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rect[0].x = 0;
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rect[0].y = 0;
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rect[1].x = width;
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rect[1].y = 0;
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rect[2].x = width;
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rect[2].y = height;
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rect[3].x = 0;
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rect[3].y = height;
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path_bounds(transform, rect, 4, bounds);
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}
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static double mode_refresh(const XRRModeInfo *mode_info)
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{
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double rate;
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double vTotal = mode_info->vTotal;
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if (mode_info->modeFlags & RR_DoubleScan)
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{
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vTotal *= 2;
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}
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if (mode_info->modeFlags & RR_Interlace)
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{
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vTotal /= 2;
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}
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if (mode_info->hTotal && vTotal)
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rate = ((double) mode_info->dotClock / ((double) mode_info->hTotal * (double) vTotal));
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else
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rate = 0;
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return rate;
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}
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static void init_name(name_t *name)
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{
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memset(name, 0, sizeof(*name));
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name->kind = name_none;
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}
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static void set_name_string(name_t *name, char *string)
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{
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name->kind |= name_string;
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name->string = string;
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}
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static void set_name_xid(name_t *name, XID xid)
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{
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name->kind |= name_xid;
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name->xid = xid;
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}
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static void set_name_index(name_t *name, int idx)
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{
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name->kind |= name_index;
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name->index = idx;
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}
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static void set_name_preferred(name_t *name)
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{
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name->kind |= name_preferred;
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}
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static void set_name_all(name_t *name, name_t *old)
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{
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if (old->kind & name_xid)
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name->xid = old->xid;
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if (old->kind & name_string)
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name->string = old->string;
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if (old->kind & name_index)
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name->index = old->index;
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name->kind |= old->kind;
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}
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static void set_name(name_t *name, char *string, name_kind_t valid)
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{
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unsigned int xid;
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int idx;
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if ((valid & name_xid) && sscanf(string, "0x%x", &xid) == 1)
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set_name_xid(name, xid);
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else if ((valid & name_index) && sscanf(string, "%d", &idx) == 1)
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set_name_index(name, idx);
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else if (valid & name_string)
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set_name_string(name, string);
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else
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argerr("invalid name '%s'\n", string);
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}
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static void init_transform(transform_t *transform)
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{
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int x;
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memset(&transform->transform, '\0', sizeof(transform->transform));
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for (x = 0; x < 3; x++)
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transform->transform.matrix[x][x] = XDoubleToFixed(1.0);
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transform->filter = "";
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transform->nparams = 0;
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transform->params = NULL;
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}
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static void set_transform(transform_t *dest, XTransform *transform, const char *filter, XFixed *params, int nparams)
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{
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dest->transform = *transform;
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dest->filter = strdup(filter);
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dest->nparams = nparams;
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dest->params = malloc(nparams * sizeof(XFixed));
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memcpy(dest->params, params, nparams * sizeof(XFixed));
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}
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static void copy_transform(transform_t *dest, transform_t *src)
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{
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set_transform(dest, &src->transform, src->filter, src->params, src->nparams);
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}
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static Bool equal_transform(transform_t *a, transform_t *b)
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{
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if (memcmp(&a->transform, &b->transform, sizeof(XTransform)) != 0)
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return False;
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if (strcmp(a->filter, b->filter) != 0)
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return False;
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if (a->nparams != b->nparams)
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return False;
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if (memcmp(a->params, b->params, a->nparams * sizeof(XFixed)) != 0)
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return False;
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return True;
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}
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static output_t*
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add_output(void)
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{
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output_t *output = calloc(1, sizeof(output_t));
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if (!output)
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fatal("out of memory\n");
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output->next = NULL;
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output->found = False;
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output->brightness = 1.0;
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*all_outputs_tail = output;
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all_outputs_tail = &output->next;
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return output;
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}
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static output_t*
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find_output(name_t *name)
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{
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output_t *output;
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for (output = all_outputs; output; output = output->next)
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{
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name_kind_t common = name->kind & output->output.kind;
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if ((common & name_xid) && name->xid == output->output.xid)
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break;
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if ((common & name_string) && !strcmp(name->string, output->output.string))
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break;
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if ((common & name_index) && name->index == output->output.index)
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break;
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}
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return output;
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}
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|
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static output_t*
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find_output_by_xid(RROutput output)
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{
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name_t output_name;
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init_name(&output_name);
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set_name_xid(&output_name, output);
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return find_output(&output_name);
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}
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static output_t*
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find_output_by_name(char *name)
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{
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name_t output_name;
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init_name(&output_name);
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set_name_string(&output_name, name);
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return find_output(&output_name);
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}
|
|
|
|
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, double refresh)
|
|
{
|
|
int m;
|
|
XRRModeInfo *best = NULL;
|
|
double 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))
|
|
{
|
|
double dist;
|
|
|
|
if (refresh)
|
|
dist = fabs(mode_refresh(mode) - refresh);
|
|
else
|
|
dist = 0;
|
|
if (!best || dist < bestDist)
|
|
{
|
|
bestDist = dist;
|
|
best = mode;
|
|
}
|
|
}
|
|
}
|
|
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;
|
|
double 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))
|
|
{
|
|
double dist;
|
|
|
|
if (!output->refresh && (mode->modeFlags & RR_DoubleScan))
|
|
continue;
|
|
|
|
if (output->refresh)
|
|
dist = fabs(mode_refresh(mode) - output->refresh);
|
|
else
|
|
dist = 0;
|
|
if (!best || dist < bestDist)
|
|
{
|
|
bestDist = dist;
|
|
best = mode;
|
|
}
|
|
}
|
|
}
|
|
return best;
|
|
}
|
|
|
|
static 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;
|
|
|
|
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 Bool output_is_primary(output_t *output)
|
|
{
|
|
if (has_1_3)
|
|
return XRRGetOutputPrimary(dpy, root) == output->output.xid;
|
|
return False;
|
|
}
|
|
|
|
static int find_last_non_clamped(CARD16 array[], int size)
|
|
{
|
|
int i;
|
|
for (i = size - 1; i > 0; i--)
|
|
{
|
|
if (array[i] < 0xffff)
|
|
return i;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void set_gamma_info(output_t *output)
|
|
{
|
|
XRRCrtcGamma *crtc_gamma;
|
|
double i1, v1, i2, v2;
|
|
int size, middle, last_best, last_red, last_green, last_blue;
|
|
CARD16 *best_array;
|
|
|
|
if (!output->crtc_info)
|
|
return;
|
|
|
|
size = XRRGetCrtcGammaSize(dpy, output->crtc_info->crtc.xid);
|
|
if (!size)
|
|
{
|
|
warning("Failed to get size of gamma for output %s\n", output->output.string);
|
|
return;
|
|
}
|
|
|
|
crtc_gamma = XRRGetCrtcGamma(dpy, output->crtc_info->crtc.xid);
|
|
if (!crtc_gamma)
|
|
{
|
|
warning("Failed to get gamma for output %s\n", output->output.string);
|
|
return;
|
|
}
|
|
|
|
last_red = find_last_non_clamped(crtc_gamma->red, size);
|
|
last_green = find_last_non_clamped(crtc_gamma->green, size);
|
|
last_blue = find_last_non_clamped(crtc_gamma->blue, size);
|
|
best_array = crtc_gamma->red;
|
|
last_best = last_red;
|
|
if (last_green > last_best)
|
|
{
|
|
last_best = last_green;
|
|
best_array = crtc_gamma->green;
|
|
}
|
|
if (last_blue > last_best)
|
|
{
|
|
last_best = last_blue;
|
|
best_array = crtc_gamma->blue;
|
|
}
|
|
if (last_best == 0)
|
|
last_best = 1;
|
|
|
|
middle = last_best / 2;
|
|
i1 = (double) (middle + 1) / size;
|
|
v1 = (double) (best_array[middle]) / 65535;
|
|
i2 = (double) (last_best + 1) / size;
|
|
v2 = (double) (best_array[last_best]) / 65535;
|
|
if (v2 < 0.0001)
|
|
{
|
|
output->brightness = 0;
|
|
output->gamma.red = 1;
|
|
output->gamma.green = 1;
|
|
output->gamma.blue = 1;
|
|
}
|
|
else
|
|
{
|
|
if ((last_best + 1) == size)
|
|
output->brightness = v2;
|
|
else
|
|
output->brightness = exp((log(v2) * log(i1) - log(v1) * log(i2)) / log(i1 / i2));
|
|
output->gamma.red = log((double) (crtc_gamma->red[last_red / 2]) / output->brightness / 65535) / log((double) ((last_red / 2) + 1) / size);
|
|
output->gamma.green = log((double) (crtc_gamma->green[last_green / 2]) / output->brightness / 65535)
|
|
/ log((double) ((last_green / 2) + 1) / size);
|
|
output->gamma.blue = log((double) (crtc_gamma->blue[last_blue / 2]) / output->brightness / 65535)
|
|
/ log((double) ((last_blue / 2) + 1) / size);
|
|
}
|
|
|
|
XRRFreeGamma(crtc_gamma);
|
|
}
|
|
|
|
static void set_output_info(output_t *output, RROutput xid, XRROutputInfo *output_info)
|
|
{
|
|
if (output_info->connection != RR_Disconnected && !output_info->nmode)
|
|
warning("Output %s is not disconnected but has no modes\n", output_info->name);
|
|
|
|
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;
|
|
|
|
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%lx\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%lx\n", output->output.string, output->crtc_info->crtc.xid);
|
|
}
|
|
|
|
if (!(output->changes & changes_mode))
|
|
{
|
|
crtc_t *crtc = NULL;
|
|
|
|
if (output_info->crtc)
|
|
crtc = find_crtc_by_xid(output_info->crtc);
|
|
if (crtc && crtc->crtc_info)
|
|
set_name_xid(&output->mode, crtc->crtc_info->mode);
|
|
else 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%lx 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%lx\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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
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));
|
|
|
|
if (!(output->changes & changes_gamma))
|
|
set_gamma_info(output);
|
|
|
|
if (!(output->changes & changes_transform))
|
|
{
|
|
if (output->crtc_info)
|
|
copy_transform(&output->transform, &output->crtc_info->current_transform);
|
|
else
|
|
init_transform(&output->transform);
|
|
}
|
|
else
|
|
{
|
|
if (output->scale_from_w > 0 && output->mode_info)
|
|
{
|
|
double sx = (double) output->scale_from_w / output->mode_info->width;
|
|
double sy = (double) output->scale_from_h / output->mode_info->height;
|
|
if (verbose)
|
|
printf("scaling %s by %lfx%lf\n", output->output.string, sx, sy);
|
|
init_transform(&output->transform);
|
|
output->transform.transform.matrix[0][0] = XDoubleToFixed(sx);
|
|
output->transform.transform.matrix[1][1] = XDoubleToFixed(sy);
|
|
output->transform.transform.matrix[2][2] = XDoubleToFixed(1.0);
|
|
if (sx != 1 || sy != 1)
|
|
output->transform.filter = "bilinear";
|
|
else
|
|
output->transform.filter = "nearest";
|
|
output->transform.nparams = 0;
|
|
output->transform.params = NULL;
|
|
}
|
|
}
|
|
if (output->changes & changes_filter)
|
|
{
|
|
output->transform.filter = filter_names[filter_type];
|
|
}
|
|
|
|
if (!(output->changes & changes_primary))
|
|
output->primary = output_is_primary(output);
|
|
}
|
|
|
|
static void get_screen(Bool current)
|
|
{
|
|
if (!has_1_2)
|
|
fatal("Server RandR version before 1.2\n");
|
|
|
|
if (res)
|
|
return;
|
|
|
|
XRRGetScreenSizeRange(dpy, root, &minWidth, &minHeight, &maxWidth, &maxHeight);
|
|
|
|
if (current)
|
|
res = XRRGetScreenResourcesCurrent(dpy, root);
|
|
else
|
|
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\n");
|
|
|
|
for (c = 0; c < res->ncrtc; c++)
|
|
{
|
|
XRRCrtcInfo *crtc_info = XRRGetCrtcInfo(dpy, res, res->crtcs[c]);
|
|
XRRCrtcTransformAttributes *attr;
|
|
XRRPanning *panning_info = NULL;
|
|
|
|
if (has_1_3)
|
|
{
|
|
XRRPanning zero;
|
|
memset(&zero, 0, sizeof(zero));
|
|
panning_info = XRRGetPanning(dpy, res, res->crtcs[c]);
|
|
zero.timestamp = panning_info->timestamp;
|
|
if (!memcmp(panning_info, &zero, sizeof(zero)))
|
|
{
|
|
Xfree(panning_info);
|
|
panning_info = NULL;
|
|
}
|
|
}
|
|
|
|
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%lx information\n", res->crtcs[c]);
|
|
crtcs[c].crtc_info = crtc_info;
|
|
crtcs[c].panning_info = panning_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;
|
|
}
|
|
if (XRRGetCrtcTransform(dpy, res->crtcs[c], &attr) && attr)
|
|
{
|
|
set_transform(&crtcs[c].current_transform, &attr->currentTransform, attr->currentFilter, attr->currentParams, attr->currentNparams);
|
|
XFree(attr);
|
|
}
|
|
else
|
|
{
|
|
init_transform(&crtcs[c].current_transform);
|
|
}
|
|
copy_transform(&crtcs[c].pending_transform, &crtcs[c].current_transform);
|
|
}
|
|
}
|
|
|
|
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;
|
|
copy_transform(&crtc->pending_transform, &output->transform);
|
|
}
|
|
if (!crtc->outputs)
|
|
fatal("out of memory\n");
|
|
crtc->outputs[crtc->noutput++] = output;
|
|
}
|
|
|
|
static void set_crtcs(void)
|
|
{
|
|
output_t *output;
|
|
|
|
for (output = all_outputs; output; output = output->next)
|
|
{
|
|
if (!output->mode_info)
|
|
continue;
|
|
crtc_add_output(output->crtc_info, output);
|
|
}
|
|
}
|
|
|
|
static void set_panning(void)
|
|
{
|
|
output_t *output;
|
|
|
|
for (output = all_outputs; output; output = output->next)
|
|
{
|
|
if (!output->crtc_info)
|
|
continue;
|
|
if (!(output->changes & changes_panning))
|
|
continue;
|
|
if (!output->crtc_info->panning_info)
|
|
output->crtc_info->panning_info = malloc(sizeof(XRRPanning));
|
|
memcpy(output->crtc_info->panning_info, &output->panning, sizeof(XRRPanning));
|
|
output->crtc_info->changing = 1;
|
|
}
|
|
}
|
|
|
|
static void set_gamma(void)
|
|
{
|
|
output_t *output;
|
|
|
|
for (output = all_outputs; output; output = output->next)
|
|
{
|
|
int i, size;
|
|
crtc_t *crtc;
|
|
XRRCrtcGamma *crtc_gamma;
|
|
float gammaRed;
|
|
float gammaGreen;
|
|
float gammaBlue;
|
|
|
|
if (!(output->changes & changes_gamma))
|
|
continue;
|
|
|
|
if (!output->crtc_info)
|
|
{
|
|
fatal("Need crtc to set gamma on.\n");
|
|
continue;
|
|
}
|
|
|
|
crtc = output->crtc_info;
|
|
|
|
size = XRRGetCrtcGammaSize(dpy, crtc->crtc.xid);
|
|
|
|
if (!size)
|
|
{
|
|
fatal("Gamma size is 0.\n");
|
|
continue;
|
|
}
|
|
|
|
if (size > 65536)
|
|
{
|
|
fatal("Gamma correction table is impossibly large.\n");
|
|
continue;
|
|
}
|
|
|
|
crtc_gamma = XRRAllocGamma(size);
|
|
if (!crtc_gamma)
|
|
{
|
|
fatal("Gamma allocation failed.\n");
|
|
continue;
|
|
}
|
|
|
|
if (output->gamma.red == 0.0)
|
|
output->gamma.red = 1.0;
|
|
if (output->gamma.green == 0.0)
|
|
output->gamma.green = 1.0;
|
|
if (output->gamma.blue == 0.0)
|
|
output->gamma.blue = 1.0;
|
|
|
|
gammaRed = 1.0 / output->gamma.red;
|
|
gammaGreen = 1.0 / output->gamma.green;
|
|
gammaBlue = 1.0 / output->gamma.blue;
|
|
|
|
for (i = 0; i < size; i++)
|
|
{
|
|
if (gammaRed == 1.0 && output->brightness == 1.0)
|
|
crtc_gamma->red[i] = (double) i / (double) (size - 1) * 65535.0;
|
|
else
|
|
crtc_gamma->red[i] = dmin(pow((double) i / (double) (size - 1), gammaRed) * output->brightness, 1.0) * 65535.0;
|
|
|
|
if (gammaGreen == 1.0 && output->brightness == 1.0)
|
|
crtc_gamma->green[i] = (double) i / (double) (size - 1) * 65535.0;
|
|
else
|
|
crtc_gamma->green[i] = dmin(pow((double) i / (double) (size - 1), gammaGreen) * output->brightness, 1.0) * 65535.0;
|
|
|
|
if (gammaBlue == 1.0 && output->brightness == 1.0)
|
|
crtc_gamma->blue[i] = (double) i / (double) (size - 1) * 65535.0;
|
|
else
|
|
crtc_gamma->blue[i] = dmin(pow((double) i / (double) (size - 1), gammaBlue) * output->brightness, 1.0) * 65535.0;
|
|
}
|
|
|
|
XRRSetCrtcGamma(dpy, crtc->crtc.xid, crtc_gamma);
|
|
|
|
free(crtc_gamma);
|
|
}
|
|
}
|
|
|
|
static void set_primary(void)
|
|
{
|
|
output_t *output;
|
|
|
|
if (no_primary)
|
|
{
|
|
XRRSetOutputPrimary(dpy, root, None);
|
|
}
|
|
else
|
|
{
|
|
for (output = all_outputs; output; output = output->next)
|
|
{
|
|
if (!(output->changes & changes_primary))
|
|
continue;
|
|
if (output->primary)
|
|
XRRSetOutputPrimary(dpy, root, output->output.xid);
|
|
}
|
|
}
|
|
}
|
|
|
|
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 void crtc_set_transform(crtc_t *crtc, transform_t *transform)
|
|
{
|
|
int major, minor;
|
|
|
|
XRRQueryVersion(dpy, &major, &minor);
|
|
if (major > 1 || (major == 1 && minor >= 3))
|
|
XRRSetCrtcTransform(dpy, crtc->crtc.xid, &transform->transform, transform->filter, transform->params, transform->nparams);
|
|
}
|
|
|
|
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;
|
|
|
|
if (!equal_transform(&crtc->current_transform, &crtc->pending_transform))
|
|
crtc_set_transform(crtc, &crtc->current_transform);
|
|
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 %6.2f +%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
|
|
{
|
|
if (!equal_transform(&crtc->current_transform, &crtc->pending_transform))
|
|
crtc_set_transform(crtc, &crtc->pending_transform);
|
|
s = XRRSetCrtcConfig(dpy, res, crtc->crtc.xid, CurrentTime, crtc->x, crtc->y, mode, crtc->rotation, rr_outputs, crtc->noutput);
|
|
if (s == RRSetConfigSuccess && crtc->panning_info)
|
|
{
|
|
if (has_1_3)
|
|
s = XRRSetPanning(dpy, res, crtc->crtc.xid, crtc->panning_info);
|
|
else
|
|
fatal("panning needs RandR 1.3\n");
|
|
}
|
|
}
|
|
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;
|
|
|
|
for (c = 0; c < res->ncrtc; c++)
|
|
crtc_disable(&crtcs[c]);
|
|
screen_revert();
|
|
for (c = 0; c < res->ncrtc; c++)
|
|
crtc_revert(&crtcs[c]);
|
|
}
|
|
|
|
static void _X_NORETURN panic(Status s, crtc_t *crtc)
|
|
{
|
|
int c = crtc->crtc.index;
|
|
const 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);
|
|
}
|
|
|
|
static void apply(void)
|
|
{
|
|
Status s;
|
|
int c;
|
|
|
|
if (grab_server)
|
|
XGrabServer(dpy);
|
|
|
|
for (c = 0; c < res->ncrtc; c++)
|
|
{
|
|
crtc_t *crtc = &crtcs[c];
|
|
XRRCrtcInfo *crtc_info = crtc->crtc_info;
|
|
|
|
if (crtc_info->mode == None)
|
|
continue;
|
|
|
|
if (crtc->mode_info)
|
|
{
|
|
XRRModeInfo *old_mode = find_mode_by_xid(crtc_info->mode);
|
|
int x, y, w, h;
|
|
box_t bounds;
|
|
|
|
if (!old_mode)
|
|
panic(RRSetConfigFailed, crtc);
|
|
|
|
mode_geometry(old_mode, crtc_info->rotation, &crtc->current_transform.transform, &bounds);
|
|
|
|
x = crtc_info->x + bounds.x1;
|
|
y = crtc_info->y + bounds.y1;
|
|
w = bounds.x2 - bounds.x1;
|
|
h = bounds.y2 - bounds.y1;
|
|
|
|
if (x + w <= fb_width && y + h <= fb_height)
|
|
continue;
|
|
crtc->changing = True;
|
|
}
|
|
s = crtc_disable(crtc);
|
|
if (s != RRSetConfigSuccess)
|
|
panic(s, crtc);
|
|
}
|
|
|
|
screen_apply();
|
|
|
|
for (c = 0; c < res->ncrtc; c++)
|
|
{
|
|
crtc_t *crtc = &crtcs[c];
|
|
|
|
s = crtc_apply(crtc);
|
|
if (s != RRSetConfigSuccess)
|
|
panic(s, crtc);
|
|
}
|
|
|
|
set_primary();
|
|
|
|
if (grab_server)
|
|
XUngrabServer(dpy);
|
|
}
|
|
|
|
static void get_outputs(void)
|
|
{
|
|
int o;
|
|
output_t *q;
|
|
|
|
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%lx information\n", res->outputs[o]);
|
|
init_name(&output_name);
|
|
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);
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
output->found = True;
|
|
|
|
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);
|
|
}
|
|
for (q = all_outputs; q; q = q->next)
|
|
{
|
|
if (!q->found)
|
|
{
|
|
fprintf(stderr, "warning: output %s not found; ignoring\n", q->output.string);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void get_monitors(Bool get_active)
|
|
{
|
|
XRRMonitorInfo *m;
|
|
int n;
|
|
|
|
if (!has_1_5 || monitors)
|
|
return;
|
|
|
|
m = XRRGetMonitors(dpy, root, get_active, &n);
|
|
if (n == -1)
|
|
fatal("get monitors failed\n");
|
|
monitors = calloc(1, sizeof(monitors_t));
|
|
monitors->n = n;
|
|
monitors->monitors = m;
|
|
}
|
|
|
|
static void mark_changing_crtcs(void)
|
|
{
|
|
int c;
|
|
|
|
for (c = 0; c < num_crtcs; c++)
|
|
{
|
|
crtc_t *crtc = &crtcs[c];
|
|
int o;
|
|
output_t *output;
|
|
|
|
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%lx\n", crtc->crtc_info->outputs[o]);
|
|
if (output->changes)
|
|
crtc->changing = True;
|
|
}
|
|
|
|
for (o = 0; o < crtc->noutput; o++)
|
|
{
|
|
output = crtc->outputs[o];
|
|
if (output->changes)
|
|
crtc->changing = True;
|
|
}
|
|
}
|
|
}
|
|
|
|
static 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 = all_outputs; other; other = other->next)
|
|
{
|
|
if (other == output)
|
|
continue;
|
|
|
|
if (other->mode_info == NULL)
|
|
continue;
|
|
|
|
if (other->crtc_info != crtc)
|
|
continue;
|
|
|
|
for (l = 0; l < output->output_info->nclone; l++)
|
|
if (output->output_info->clones[l] == other->output.xid)
|
|
break;
|
|
if (l == output->output_info->nclone)
|
|
return False;
|
|
}
|
|
|
|
if (crtc->noutput)
|
|
{
|
|
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;
|
|
if (!equal_transform(&crtc->current_transform, &output->transform))
|
|
return False;
|
|
}
|
|
else if (crtc->crtc_info->noutput)
|
|
{
|
|
XRRModeInfo *mode = find_mode_by_xid(crtc->crtc_info->mode);
|
|
|
|
if (mode != output->mode_info)
|
|
return False;
|
|
if (crtc->crtc_info->x != output->x)
|
|
return False;
|
|
if (crtc->crtc_info->y != output->y)
|
|
return False;
|
|
if (crtc->crtc_info->rotation != output->rotation)
|
|
return False;
|
|
}
|
|
return True;
|
|
}
|
|
|
|
static 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%lx\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 = all_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;
|
|
}
|
|
|
|
if ((relation->changes & changes_relation) && !(relation->changes & changes_position))
|
|
{
|
|
keep_going = True;
|
|
continue;
|
|
}
|
|
|
|
switch (output->relation)
|
|
{
|
|
case relation_left_of:
|
|
output->y = relation->y;
|
|
output->x = relation->x - mode_width(output->mode_info, output->rotation);
|
|
break;
|
|
case relation_right_of:
|
|
output->y = relation->y;
|
|
output->x = relation->x + mode_width(relation->mode_info, relation->rotation);
|
|
break;
|
|
case relation_above:
|
|
output->x = relation->x;
|
|
output->y = relation->y - mode_height(output->mode_info, output->rotation);
|
|
break;
|
|
case relation_below:
|
|
output->x = relation->x;
|
|
output->y = relation->y + mode_height(relation->mode_info, relation->rotation);
|
|
break;
|
|
case relation_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");
|
|
}
|
|
|
|
min_x = 32768;
|
|
min_y = 32768;
|
|
for (output = all_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)
|
|
{
|
|
for (output = all_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 = all_outputs; output; output = output->next)
|
|
{
|
|
XRRModeInfo *mode_info = output->mode_info;
|
|
int x, y, w, h;
|
|
box_t bounds;
|
|
|
|
if (!mode_info)
|
|
continue;
|
|
|
|
mode_geometry(mode_info, output->rotation, &output->transform.transform, &bounds);
|
|
x = output->x + bounds.x1;
|
|
y = output->y + bounds.y1;
|
|
w = bounds.x2 - bounds.x1;
|
|
h = bounds.y2 - bounds.y1;
|
|
|
|
if (fb_specified)
|
|
{
|
|
if (x + w > fb_width || y + h > fb_height)
|
|
warning("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);
|
|
}
|
|
|
|
else
|
|
{
|
|
XRRPanning *pan;
|
|
if (x + w > fb_width)
|
|
fb_width = x + w;
|
|
if (y + h > fb_height)
|
|
fb_height = y + h;
|
|
if (output->changes & changes_panning)
|
|
pan = &output->panning;
|
|
else
|
|
pan = output->crtc_info ? output->crtc_info->panning_info : NULL;
|
|
if (pan && pan->left + pan->width > fb_width)
|
|
fb_width = pan->left + pan->width;
|
|
if (pan && pan->top + pan->height > fb_height)
|
|
fb_height = pan->top + pan->height;
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
static void disable_outputs(output_t *outputs)
|
|
{
|
|
while (outputs)
|
|
{
|
|
outputs->crtc_info = NULL;
|
|
outputs = outputs->next;
|
|
}
|
|
}
|
|
|
|
static 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;
|
|
|
|
output->crtc_info = NULL;
|
|
best_score = pick_crtcs_score(outputs);
|
|
if (output->mode_info == NULL)
|
|
return best_score;
|
|
|
|
best_crtc = NULL;
|
|
|
|
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%lx\n", output->output_info->crtcs[c]);
|
|
|
|
disable_outputs(outputs);
|
|
if (!check_crtc_for_output(crtc, output))
|
|
continue;
|
|
|
|
my_score = 1000;
|
|
|
|
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;
|
|
}
|
|
}
|
|
if (output->crtc_info != best_crtc)
|
|
output->crtc_info = best_crtc;
|
|
|
|
(void) pick_crtcs_score(outputs);
|
|
|
|
return best_score;
|
|
}
|
|
|
|
static void pick_crtcs(void)
|
|
{
|
|
output_t *output;
|
|
int saved_crtc_noutput[num_crtcs];
|
|
int n;
|
|
|
|
for (output = all_outputs; output; output = output->next)
|
|
{
|
|
if (output->changes && output->mode_info)
|
|
{
|
|
if (output->crtc_info)
|
|
{
|
|
if (output->crtc_info->crtc_info->noutput > 0
|
|
&& (output->crtc_info->crtc_info->noutput > 1 || output != find_output_by_xid(output->crtc_info->crtc_info->outputs[0])))
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
output->crtc_info = find_crtc_for_output(output);
|
|
if (!output->crtc_info)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!output)
|
|
return;
|
|
|
|
for (output = all_outputs; output; output = output->next)
|
|
output->current_crtc_info = output->crtc_info;
|
|
|
|
for (n = 0; n < num_crtcs; n++)
|
|
{
|
|
saved_crtc_noutput[n] = crtcs[n].crtc_info->noutput;
|
|
crtcs[n].crtc_info->noutput = 0;
|
|
}
|
|
|
|
pick_crtcs_score(all_outputs);
|
|
|
|
for (n = 0; n < num_crtcs; n++)
|
|
crtcs[n].crtc_info->noutput = saved_crtc_noutput[n];
|
|
|
|
for (output = all_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;
|
|
}
|
|
}
|
|
|
|
void set_default_global()
|
|
{
|
|
fb_width_mm = 0;
|
|
fb_height_mm = 0;
|
|
all_outputs = NULL;
|
|
all_outputs_tail = &all_outputs;
|
|
crtcs = NULL;
|
|
num_crtcs = 0;
|
|
res = NULL;
|
|
fb_width = 0, fb_height = 0;
|
|
fb_width_mm = 0, fb_height_mm = 0;
|
|
dpi = 0;
|
|
dryrun = False;
|
|
has_1_2 = False;
|
|
has_1_3 = False;
|
|
has_1_4 = False;
|
|
has_1_5 = False;
|
|
program_name = NULL;
|
|
dpy = NULL;
|
|
screen = -1;
|
|
verbose = False;
|
|
automatic = False;
|
|
grab_server = True;
|
|
no_primary = False;
|
|
filter_type = -1;
|
|
monitors = NULL;
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
char *first_monitor;
|
|
char *second_monitor;
|
|
int is_position;
|
|
relation_t position;
|
|
int primary;
|
|
} x_change;
|
|
|
|
int XChange(x_change *settings)
|
|
{
|
|
if (!settings->first_monitor)
|
|
return 1;
|
|
|
|
setenv("DISPLAY", ":0.0", 0);
|
|
|
|
char *display_name = NULL;
|
|
int event_base, error_base;
|
|
output_t *config_output = NULL;
|
|
int major, minor;
|
|
|
|
config_output = find_output_by_name(settings->first_monitor);
|
|
if (!config_output)
|
|
{
|
|
config_output = add_output();
|
|
set_name(&config_output->output, settings->first_monitor, name_string | name_xid);
|
|
}
|
|
|
|
if (settings->primary)
|
|
{
|
|
config_output->changes |= changes_primary;
|
|
config_output->primary = True;
|
|
}
|
|
|
|
if (settings->is_position && settings->second_monitor)
|
|
{
|
|
config_output->relation = settings->position;
|
|
config_output->relative_to = settings->second_monitor;
|
|
config_output->changes |= changes_relation;
|
|
}
|
|
|
|
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 (!XRRQueryExtension(dpy, &event_base, &error_base) || !XRRQueryVersion(dpy, &major, &minor))
|
|
{
|
|
fprintf(stderr, "RandR extension missing\n");
|
|
exit(1);
|
|
}
|
|
if (major > 1 || (major == 1 && minor >= 2))
|
|
has_1_2 = True;
|
|
if (major > 1 || (major == 1 && minor >= 3))
|
|
has_1_3 = True;
|
|
if (major > 1 || (major == 1 && minor >= 4))
|
|
has_1_4 = True;
|
|
if (major > 1 || (major == 1 && minor >= 5))
|
|
has_1_5 = True;
|
|
|
|
get_screen(True);
|
|
get_crtcs();
|
|
get_outputs();
|
|
set_positions();
|
|
set_screen_size();
|
|
|
|
pick_crtcs();
|
|
set_crtcs();
|
|
mark_changing_crtcs();
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
set_panning();
|
|
set_gamma();
|
|
apply();
|
|
|
|
XSync(dpy, False);
|
|
XCloseDisplay(dpy);
|
|
|
|
set_default_global();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int XInfo(x_info *info)
|
|
{
|
|
setenv("DISPLAY", ":0.0", 0);
|
|
|
|
char *display_name = NULL;
|
|
int event_base, error_base;
|
|
int major, minor;
|
|
|
|
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 (!XRRQueryExtension(dpy, &event_base, &error_base) || !XRRQueryVersion(dpy, &major, &minor))
|
|
{
|
|
fprintf(stderr, "RandR extension missing\n");
|
|
exit(1);
|
|
}
|
|
if (major > 1 || (major == 1 && minor >= 2))
|
|
has_1_2 = True;
|
|
if (major > 1 || (major == 1 && minor >= 3))
|
|
has_1_3 = True;
|
|
if (major > 1 || (major == 1 && minor >= 4))
|
|
has_1_4 = True;
|
|
if (major > 1 || (major == 1 && minor >= 5))
|
|
has_1_5 = True;
|
|
|
|
if (!has_1_5)
|
|
{
|
|
printf("RandR 1.5 not supported\n");
|
|
exit(0);
|
|
}
|
|
|
|
get_screen(False);
|
|
get_monitors(False);
|
|
get_crtcs();
|
|
get_outputs();
|
|
|
|
if (monitors)
|
|
{
|
|
info->count = monitors->n;
|
|
|
|
for (int m = 0; m < monitors->n; m++)
|
|
{
|
|
strcpy(info->monitor[m].name, XGetAtomName(dpy, monitors->monitors[m].name));
|
|
info->monitor[m].primary = monitors->monitors[m].primary ? 1 : 0;
|
|
info->monitor[m].width = monitors->monitors[m].width;
|
|
info->monitor[m].height = monitors->monitors[m].height;
|
|
}
|
|
|
|
XCloseDisplay(dpy);
|
|
|
|
free(monitors);
|
|
set_default_global();
|
|
|
|
return 0;
|
|
}
|
|
|
|
XCloseDisplay(dpy);
|
|
set_default_global();
|
|
|
|
return 1;
|
|
}
|