src/compositor-x11.c

   1 /*
   2  * Copyright © 2008-2011 Kristian Høgsberg
   3  * Copyright © 2010-2011 Intel Corporation
   4  *
   5  * Permission to use, copy, modify, distribute, and sell this software and
   6  * its documentation for any purpose is hereby granted without fee, provided
   7  * that the above copyright notice appear in all copies and that both that
   8  * copyright notice and this permission notice appear in supporting
   9  * documentation, and that the name of the copyright holders not be used in
  10  * advertising or publicity pertaining to distribution of the software
  11  * without specific, written prior permission.  The copyright holders make
  12  * no representations about the suitability of this software for any
  13  * purpose.  It is provided "as is" without express or implied warranty.
  14  *
  15  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
  18  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
  20  * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  21  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <stddef.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <fcntl.h>
  32 #include <unistd.h>
  33 #include <errno.h>
  34 #include <sys/time.h>
  35 #include <linux/input.h>
  36
  37 #include <xcb/xcb.h>
  38 #ifdef HAVE_XCB_XKB
  39 #include <xcb/xkb.h>
  40 #endif
  41
  42 #include <X11/Xlib.h>
  43 #include <X11/Xlib-xcb.h>
  44
  45 #include <xkbcommon/xkbcommon.h>
  46
  47 #include <GLES2/gl2.h>
  48 #include <EGL/egl.h>
  49
  50 #include "compositor.h"
  51 #include "../shared/config-parser.h"
  52
  53 static char *output_name;
  54 static char *output_mode;
  55 static char *output_transform;
  56 static int option_width;
  57 static int option_height;
  58 static int option_count;
  59 static struct wl_list configured_output_list;
  60
  61 struct x11_configured_output {
  62         char *name;
  63         int width, height;
  64         uint32_t transform;
  65         struct wl_list link;
  66 };
  67
  68 struct x11_compositor {
  69         struct weston_compositor         base;
  70
  71         Display                 *dpy;
  72         xcb_connection_t        *conn;
  73         xcb_screen_t            *screen;
  74         xcb_cursor_t             null_cursor;
  75         struct wl_array          keys;
  76         struct wl_event_source  *xcb_source;
  77         struct xkb_keymap       *xkb_keymap;
  78         unsigned int             has_xkb;
  79         uint8_t                  xkb_event_base;
  80
  81         /* We could map multi-pointer X to multiple wayland seats, but
  82          * for now we only support core X input. */
  83         struct weston_seat       core_seat;
  84
  85         struct {
  86                 xcb_atom_t               wm_protocols;
  87                 xcb_atom_t               wm_normal_hints;
  88                 xcb_atom_t               wm_size_hints;
  89                 xcb_atom_t               wm_delete_window;
  90                 xcb_atom_t               wm_class;
  91                 xcb_atom_t               net_wm_name;
  92                 xcb_atom_t               net_wm_icon;
  93                 xcb_atom_t               net_wm_state;
  94                 xcb_atom_t               net_wm_state_fullscreen;
  95                 xcb_atom_t               string;
  96                 xcb_atom_t               utf8_string;
  97                 xcb_atom_t               cardinal;
  98                 xcb_atom_t               xkb_names;
  99         } atom;
 100 };
 101
 102 struct x11_output {
 103         struct weston_output    base;
 104
 105         xcb_window_t            window;
 106         struct weston_mode      mode;
 107         struct wl_event_source *finish_frame_timer;
 108 };
 109
 110 static struct xkb_keymap *
 111 x11_compositor_get_keymap(struct x11_compositor *c)
 112 {
 113         xcb_get_property_cookie_t cookie;
 114         xcb_get_property_reply_t *reply;
 115         xcb_generic_error_t *error;
 116         struct xkb_rule_names names;
 117         struct xkb_keymap *ret;
 118         const char *value_all, *value_part;
 119         int length_all, length_part;
 120
 121         memset(&names, 0, sizeof(names));
 122
 123         cookie = xcb_get_property(c->conn, 0, c->screen->root,
 124                                   c->atom.xkb_names, c->atom.string, 0, 1024);
 125         reply = xcb_get_property_reply(c->conn, cookie, &error);
 126         if (reply == NULL)
 127                 return NULL;
 128
 129         value_all = xcb_get_property_value(reply);
 130         length_all = xcb_get_property_value_length(reply);
 131         value_part = value_all;
 132
 133 #define copy_prop_value(to) \
 134         length_part = strlen(value_part); \
 135         if (value_part + length_part < (value_all + length_all) && \
 136             length_part > 0) \
 137                 names.to = value_part; \
 138         value_part += length_part + 1;
 139
 140         copy_prop_value(rules);
 141         copy_prop_value(model);
 142         copy_prop_value(layout);
 143         copy_prop_value(variant);
 144         copy_prop_value(options);
 145 #undef copy_prop_value
 146
 147         ret = xkb_map_new_from_names(c->base.xkb_context, &names, 0);
 148
 149         free(reply);
 150         return ret;
 151 }
 152
 153 static void
 154 x11_compositor_setup_xkb(struct x11_compositor *c)
 155 {
 156 #ifndef HAVE_XCB_XKB
 157         weston_log("XCB-XKB not available during build\n");
 158         c->has_xkb = 0;
 159         c->xkb_event_base = 0;
 160         return;
 161 #else
 162         const xcb_query_extension_reply_t *ext;
 163         xcb_generic_error_t *error;
 164         xcb_void_cookie_t select;
 165         xcb_xkb_per_client_flags_cookie_t pcf;
 166         xcb_xkb_per_client_flags_reply_t *pcf_reply;
 167
 168         c->has_xkb = 0;
 169         c->xkb_event_base = 0;
 170
 171         ext = xcb_get_extension_data(c->conn, &xcb_xkb_id);
 172         if (!ext) {
 173                 weston_log("XKB extension not available on host X11 server\n");
 174                 return;
 175         }
 176         c->xkb_event_base = ext->first_event;
 177
 178         select = xcb_xkb_select_events(c->conn,
 179                                        XCB_XKB_ID_USE_CORE_KBD,
 180                                        XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
 181                                        0,
 182                                        XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
 183                                        0,
 184                                        0,
 185                                        NULL);
 186         error = xcb_request_check(c->conn, select);
 187         if (error) {
 188                 weston_log("error: failed to select for XKB state events\n");
 189                 return;
 190         }
 191
 192         pcf = xcb_xkb_per_client_flags(c->conn,
 193                                        XCB_XKB_ID_USE_CORE_KBD,
 194                                        XCB_XKB_PER_CLIENT_FLAG_DETECTABLE_AUTO_REPEAT,
 195                                        XCB_XKB_PER_CLIENT_FLAG_DETECTABLE_AUTO_REPEAT,
 196                                        0,
 197                                        0,
 198                                        0);
 199         pcf_reply = xcb_xkb_per_client_flags_reply(c->conn, pcf, &error);
 200         free(pcf_reply);
 201         if (error) {
 202                 weston_log("failed to set XKB per-client flags, not using "
 203                            "detectable repeat\n");
 204                 return;
 205         }
 206
 207         c->has_xkb = 1;
 208 #endif
 209 }
 210
 211 static int
 212 x11_input_create(struct x11_compositor *c, int no_input)
 213 {
 214         struct xkb_keymap *keymap;
 215
 216         weston_seat_init(&c->core_seat, &c->base);
 217
 218         if (no_input)
 219                 return 0;
 220
 221         weston_seat_init_pointer(&c->core_seat);
 222
 223         x11_compositor_setup_xkb(c);
 224
 225         keymap = x11_compositor_get_keymap(c);
 226         weston_seat_init_keyboard(&c->core_seat, keymap);
 227         if (keymap)
 228                 xkb_map_unref(keymap);
 229
 230         return 0;
 231 }
 232
 233 static void
 234 x11_input_destroy(struct x11_compositor *compositor)
 235 {
 236         weston_seat_release(&compositor->core_seat);
 237 }
 238
 239 static int
 240 x11_compositor_init_egl(struct x11_compositor *c)
 241 {
 242         EGLint major, minor;
 243         EGLint n;
 244         EGLint config_attribs[] = {
 245                 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
 246                 EGL_RED_SIZE, 1,
 247                 EGL_GREEN_SIZE, 1,
 248                 EGL_BLUE_SIZE, 1,
 249                 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
 250                 EGL_NONE
 251         };
 252
 253         c->base.egl_display = eglGetDisplay(c->dpy);
 254         if (c->base.egl_display == NULL) {
 255                 weston_log("failed to create display\n");
 256                 return -1;
 257         }
 258
 259         if (!eglInitialize(c->base.egl_display, &major, &minor)) {
 260                 weston_log("failed to initialize display\n");
 261                 return -1;
 262         }
 263
 264         if (!eglChooseConfig(c->base.egl_display, config_attribs,
 265                              &c->base.egl_config, 1, &n) || n == 0) {
 266                 weston_log("failed to choose config: %d\n", n);
 267                 return -1;
 268         }
 269
 270         return 0;
 271 }
 272
 273 static void
 274 x11_compositor_fini_egl(struct x11_compositor *compositor)
 275 {
 276         gles2_renderer_destroy(&compositor->base);
 277
 278         eglMakeCurrent(compositor->base.egl_display,
 279                        EGL_NO_SURFACE, EGL_NO_SURFACE,
 280                        EGL_NO_CONTEXT);
 281
 282         eglTerminate(compositor->base.egl_display);
 283         eglReleaseThread();
 284 }
 285
 286 static void
 287 x11_output_repaint(struct weston_output *output_base,
 288                    pixman_region32_t *damage)
 289 {
 290         struct x11_output *output = (struct x11_output *)output_base;
 291         struct weston_compositor *ec = output->base.compositor;
 292
 293         ec->renderer->repaint_output(output_base, damage);
 294
 295         wl_event_source_timer_update(output->finish_frame_timer, 10);
 296 }
 297
 298 static int
 299 finish_frame_handler(void *data)
 300 {
 301         struct x11_output *output = data;
 302         uint32_t msec;
 303         struct timeval tv;
 304
 305         gettimeofday(&tv, NULL);
 306         msec = tv.tv_sec * 1000 + tv.tv_usec / 1000;
 307         weston_output_finish_frame(&output->base, msec);
 308
 309         return 1;
 310 }
 311
 312 static void
 313 x11_output_destroy(struct weston_output *output_base)
 314 {
 315         struct x11_output *output = (struct x11_output *)output_base;
 316         struct x11_compositor *compositor =
 317                 (struct x11_compositor *)output->base.compositor;
 318
 319         wl_list_remove(&output->base.link);
 320         wl_event_source_remove(output->finish_frame_timer);
 321
 322         eglDestroySurface(compositor->base.egl_display,
 323                           output->base.egl_surface);
 324
 325         xcb_destroy_window(compositor->conn, output->window);
 326
 327         weston_output_destroy(&output->base);
 328
 329         free(output);
 330 }
 331
 332 static void
 333 x11_output_set_wm_protocols(struct x11_output *output)
 334 {
 335         xcb_atom_t list[1];
 336         struct x11_compositor *c =
 337                 (struct x11_compositor *) output->base.compositor;
 338
 339         list[0] = c->atom.wm_delete_window;
 340         xcb_change_property (c->conn,
 341                              XCB_PROP_MODE_REPLACE,
 342                              output->window,
 343                              c->atom.wm_protocols,
 344                              XCB_ATOM_ATOM,
 345                              32,
 346                              ARRAY_LENGTH(list),
 347                              list);
 348 }
 349
 350 static void
 351 x11_output_change_state(struct x11_output *output, int add, xcb_atom_t state)
 352 {
 353         xcb_client_message_event_t event;
 354         struct x11_compositor *c =
 355                 (struct x11_compositor *) output->base.compositor;
 356         xcb_screen_iterator_t iter;
 357
 358 #define _NET_WM_STATE_REMOVE        0    /* remove/unset property */
 359 #define _NET_WM_STATE_ADD           1    /* add/set property */
 360 #define _NET_WM_STATE_TOGGLE        2    /* toggle property  */
 361
 362         memset(&event, 0, sizeof event);
 363         event.response_type = XCB_CLIENT_MESSAGE;
 364         event.format = 32;
 365         event.window = output->window;
 366         event.type = c->atom.net_wm_state;
 367
 368         event.data.data32[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
 369         event.data.data32[1] = state;
 370         event.data.data32[2] = 0;
 371         event.data.data32[3] = 0;
 372         event.data.data32[4] = 0;
 373
 374         iter = xcb_setup_roots_iterator(xcb_get_setup(c->conn));
 375         xcb_send_event(c->conn, 0, iter.data->root,
 376                        XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
 377                        XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT,
 378                        (void *) &event);
 379 }
 380
 381
 382 struct wm_normal_hints {
 383         uint32_t flags;
 384         uint32_t pad[4];
 385         int32_t min_width, min_height;
 386         int32_t max_width, max_height;
 387         int32_t width_inc, height_inc;
 388         int32_t min_aspect_x, min_aspect_y;
 389         int32_t max_aspect_x, max_aspect_y;
 390         int32_t base_width, base_height;
 391         int32_t win_gravity;
 392 };
 393
 394 #define WM_NORMAL_HINTS_MIN_SIZE        16
 395 #define WM_NORMAL_HINTS_MAX_SIZE        32
 396
 397 static void
 398 x11_output_set_icon(struct x11_compositor *c,
 399                     struct x11_output *output, const char *filename)
 400 {
 401         uint32_t *icon;
 402         int32_t width, height;
 403         pixman_image_t *image;
 404
 405         image = load_image(filename);
 406         if (!image)
 407                 return;
 408         width = pixman_image_get_width(image);
 409         height = pixman_image_get_height(image);
 410         icon = malloc(width * height * 4 + 8);
 411         if (!icon) {
 412                 pixman_image_unref(image);
 413                 return;
 414         }
 415
 416         icon[0] = width;
 417         icon[1] = height;
 418         memcpy(icon + 2, pixman_image_get_data(image), width * height * 4);
 419         xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window,
 420                             c->atom.net_wm_icon, c->atom.cardinal, 32,
 421                             width * height + 2, icon);
 422         free(icon);
 423         pixman_image_unref(image);
 424 }
 425
 426 static struct x11_output *
 427 x11_compositor_create_output(struct x11_compositor *c, int x, int y,
 428                              int width, int height, int fullscreen,
 429                              int no_input, char *configured_name,
 430                              uint32_t transform)
 431 {
 432         static const char name[] = "Weston Compositor";
 433         static const char class[] = "weston-1\0Weston Compositor";
 434         char title[32];
 435         struct x11_output *output;
 436         xcb_screen_iterator_t iter;
 437         struct wm_normal_hints normal_hints;
 438         struct wl_event_loop *loop;
 439         uint32_t mask = XCB_CW_EVENT_MASK | XCB_CW_CURSOR;
 440         uint32_t values[2] = {
 441                 XCB_EVENT_MASK_EXPOSURE |
 442                 XCB_EVENT_MASK_STRUCTURE_NOTIFY,
 443                 0
 444         };
 445
 446         if (configured_name)
 447                 sprintf(title, "%s - %s", name, configured_name);
 448         else
 449                 strcpy(title, name);
 450
 451         if (!no_input)
 452                 values[0] |=
 453                         XCB_EVENT_MASK_KEY_PRESS |
 454                         XCB_EVENT_MASK_KEY_RELEASE |
 455                         XCB_EVENT_MASK_BUTTON_PRESS |
 456                         XCB_EVENT_MASK_BUTTON_RELEASE |
 457                         XCB_EVENT_MASK_POINTER_MOTION |
 458                         XCB_EVENT_MASK_ENTER_WINDOW |
 459                         XCB_EVENT_MASK_LEAVE_WINDOW |
 460                         XCB_EVENT_MASK_KEYMAP_STATE |
 461                         XCB_EVENT_MASK_FOCUS_CHANGE;
 462
 463         output = malloc(sizeof *output);
 464         if (output == NULL)
 465                 return NULL;
 466
 467         memset(output, 0, sizeof *output);
 468
 469         output->mode.flags =
 470                 WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
 471         output->mode.width = width;
 472         output->mode.height = height;
 473         output->mode.refresh = 60000;
 474         wl_list_init(&output->base.mode_list);
 475         wl_list_insert(&output->base.mode_list, &output->mode.link);
 476
 477         output->base.current = &output->mode;
 478         output->base.make = "xwayland";
 479         output->base.model = "none";
 480         weston_output_init(&output->base, &c->base,
 481                            x, y, width, height, transform);
 482
 483         values[1] = c->null_cursor;
 484         output->window = xcb_generate_id(c->conn);
 485         iter = xcb_setup_roots_iterator(xcb_get_setup(c->conn));
 486         xcb_create_window(c->conn,
 487                           XCB_COPY_FROM_PARENT,
 488                           output->window,
 489                           iter.data->root,
 490                           0, 0,
 491                           width, height,
 492                           0,
 493                           XCB_WINDOW_CLASS_INPUT_OUTPUT,
 494                           iter.data->root_visual,
 495                           mask, values);
 496
 497         /* Don't resize me. */
 498         memset(&normal_hints, 0, sizeof normal_hints);
 499         normal_hints.flags =
 500                 WM_NORMAL_HINTS_MAX_SIZE | WM_NORMAL_HINTS_MIN_SIZE;
 501         normal_hints.min_width = width;
 502         normal_hints.min_height = height;
 503         normal_hints.max_width = width;
 504         normal_hints.max_height = height;
 505         xcb_change_property (c->conn, XCB_PROP_MODE_REPLACE, output->window,
 506                              c->atom.wm_normal_hints,
 507                              c->atom.wm_size_hints, 32,
 508                              sizeof normal_hints / 4,
 509                              (uint8_t *) &normal_hints);
 510
 511         /* Set window name.  Don't bother with non-EWMH WMs. */
 512         xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window,
 513                             c->atom.net_wm_name, c->atom.utf8_string, 8,
 514                             strlen(title), title);
 515         xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window,
 516                             c->atom.wm_class, c->atom.string, 8,
 517                             sizeof class, class);
 518
 519         x11_output_set_icon(c, output, DATADIR "/weston/wayland.png");
 520
 521         xcb_map_window(c->conn, output->window);
 522
 523         x11_output_set_wm_protocols(output);
 524
 525         if (fullscreen)
 526                 x11_output_change_state(output, 1,
 527                                         c->atom.net_wm_state_fullscreen);
 528
 529         output->base.egl_surface =
 530                 eglCreateWindowSurface(c->base.egl_display, c->base.egl_config,
 531                                        output->window, NULL);
 532         if (!output->base.egl_surface) {
 533                 weston_log("failed to create window surface\n");
 534                 return NULL;
 535         }
 536
 537         loop = wl_display_get_event_loop(c->base.wl_display);
 538         output->finish_frame_timer =
 539                 wl_event_loop_add_timer(loop, finish_frame_handler, output);
 540
 541         output->base.origin = output->base.current;
 542         output->base.repaint = x11_output_repaint;
 543         output->base.destroy = x11_output_destroy;
 544         output->base.assign_planes = NULL;
 545         output->base.set_backlight = NULL;
 546         output->base.set_dpms = NULL;
 547         output->base.switch_mode = NULL;
 548
 549         wl_list_insert(c->base.output_list.prev, &output->base.link);
 550
 551         weston_log("x11 output %dx%d, window id %d\n",
 552                    width, height, output->window);
 553
 554         return output;
 555 }
 556
 557 static struct x11_output *
 558 x11_compositor_find_output(struct x11_compositor *c, xcb_window_t window)
 559 {
 560         struct x11_output *output;
 561
 562         wl_list_for_each(output, &c->base.output_list, base.link) {
 563                 if (output->window == window)
 564                         return output;
 565         }
 566
 567         return NULL;
 568 }
 569
 570 static uint32_t
 571 get_xkb_mod_mask(struct x11_compositor *c, uint32_t in)
 572 {
 573         struct weston_xkb_info *info = &c->core_seat.xkb_info;
 574         uint32_t ret = 0;
 575
 576         if ((in & ShiftMask) && info->shift_mod != XKB_MOD_INVALID)
 577                 ret |= (1 << info->shift_mod);
 578         if ((in & LockMask) && info->caps_mod != XKB_MOD_INVALID)
 579                 ret |= (1 << info->caps_mod);
 580         if ((in & ControlMask) && info->ctrl_mod != XKB_MOD_INVALID)
 581                 ret |= (1 << info->ctrl_mod);
 582         if ((in & Mod1Mask) && info->alt_mod != XKB_MOD_INVALID)
 583                 ret |= (1 << info->alt_mod);
 584         if ((in & Mod2Mask) && info->mod2_mod != XKB_MOD_INVALID)
 585                 ret |= (1 << info->mod2_mod);
 586         if ((in & Mod3Mask) && info->mod3_mod != XKB_MOD_INVALID)
 587                 ret |= (1 << info->mod3_mod);
 588         if ((in & Mod4Mask) && info->super_mod != XKB_MOD_INVALID)
 589                 ret |= (1 << info->super_mod);
 590         if ((in & Mod5Mask) && info->mod5_mod != XKB_MOD_INVALID)
 591                 ret |= (1 << info->mod5_mod);
 592
 593         return ret;
 594 }
 595
 596 #ifdef HAVE_XCB_XKB
 597 static void
 598 update_xkb_state(struct x11_compositor *c, xcb_xkb_state_notify_event_t *state)
 599 {
 600         xkb_state_update_mask(c->core_seat.xkb_state.state,
 601                               get_xkb_mod_mask(c, state->baseMods),
 602                               get_xkb_mod_mask(c, state->latchedMods),
 603                               get_xkb_mod_mask(c, state->lockedMods),
 604                               0,
 605                               0,
 606                               state->group);
 607
 608         notify_modifiers(&c->core_seat,
 609                          wl_display_next_serial(c->base.wl_display));
 610 }
 611 #endif
 612
 613 /**
 614  * This is monumentally unpleasant.  If we don't have XCB-XKB bindings,
 615  * the best we can do (given that XCB also lacks XI2 support), is to take
 616  * the state from the core key events.  Unfortunately that only gives us
 617  * the effective (i.e. union of depressed/latched/locked) state, and we
 618  * need the granularity.
 619  *
 620  * So we still update the state with every key event we see, but also use
 621  * the state field from X11 events as a mask so we don't get any stuck
 622  * modifiers.
 623  */
 624 static void
 625 update_xkb_state_from_core(struct x11_compositor *c, uint16_t x11_mask)
 626 {
 627         uint32_t mask = get_xkb_mod_mask(c, x11_mask);
 628         struct wl_keyboard *keyboard = &c->core_seat.keyboard;
 629
 630         xkb_state_update_mask(c->core_seat.xkb_state.state,
 631                               keyboard->modifiers.mods_depressed & mask,
 632                               keyboard->modifiers.mods_latched & mask,
 633                               keyboard->modifiers.mods_locked & mask,
 634                               0,
 635                               0,
 636                               (x11_mask >> 13) & 3);
 637         notify_modifiers(&c->core_seat,
 638                          wl_display_next_serial(c->base.wl_display));
 639 }
 640
 641 static void
 642 x11_compositor_deliver_button_event(struct x11_compositor *c,
 643                                     xcb_generic_event_t *event, int state)
 644 {
 645         xcb_button_press_event_t *button_event =
 646                 (xcb_button_press_event_t *) event;
 647         uint32_t button;
 648
 649         if (!c->has_xkb)
 650                 update_xkb_state_from_core(c, button_event->state);
 651
 652         switch (button_event->detail) {
 653         default:
 654                 button = button_event->detail + BTN_LEFT - 1;
 655                 break;
 656         case 2:
 657                 button = BTN_MIDDLE;
 658                 break;
 659         case 3:
 660                 button = BTN_RIGHT;
 661                 break;
 662         case 4:
 663                 if (state)
 664                         notify_axis(&c->core_seat,
 665                                       weston_compositor_get_time(),
 666                                       WL_POINTER_AXIS_VERTICAL_SCROLL,
 667                                       wl_fixed_from_int(1));
 668                 return;
 669         case 5:
 670                 if (state)
 671                         notify_axis(&c->core_seat,
 672                                       weston_compositor_get_time(),
 673                                       WL_POINTER_AXIS_VERTICAL_SCROLL,
 674                                       wl_fixed_from_int(-1));
 675                 return;
 676         case 6:
 677                 if (state)
 678                         notify_axis(&c->core_seat,
 679                                       weston_compositor_get_time(),
 680                                       WL_POINTER_AXIS_HORIZONTAL_SCROLL,
 681                                       wl_fixed_from_int(1));
 682                 return;
 683         case 7:
 684                 if (state)
 685                         notify_axis(&c->core_seat,
 686                                       weston_compositor_get_time(),
 687                                       WL_POINTER_AXIS_HORIZONTAL_SCROLL,
 688                                       wl_fixed_from_int(-1));
 689                 return;
 690         }
 691
 692         notify_button(&c->core_seat,
 693                       weston_compositor_get_time(), button,
 694                       state ? WL_POINTER_BUTTON_STATE_PRESSED :
 695                               WL_POINTER_BUTTON_STATE_RELEASED);
 696 }
 697
 698 static void
 699 x11_output_transform_coordinate(struct x11_output *x11_output,
 700                                                 wl_fixed_t *x, wl_fixed_t *y)
 701 {
 702         struct weston_output *output = &x11_output->base;
 703         wl_fixed_t tx, ty;
 704         wl_fixed_t width = wl_fixed_from_int(output->width - 1);
 705         wl_fixed_t height = wl_fixed_from_int(output->height - 1);
 706
 707         switch(output->transform) {
 708         case WL_OUTPUT_TRANSFORM_NORMAL:
 709         default:
 710                 tx = *x;
 711                 ty = *y;
 712                 break;
 713         case WL_OUTPUT_TRANSFORM_90:
 714                 tx = *y;
 715                 ty = height - *x;
 716                 break;
 717         case WL_OUTPUT_TRANSFORM_180:
 718                 tx = width - *x;
 719                 ty = height - *y;
 720                 break;
 721         case WL_OUTPUT_TRANSFORM_270:
 722                 tx = width - *y;
 723                 ty = *x;
 724                 break;
 725         case WL_OUTPUT_TRANSFORM_FLIPPED:
 726                 tx = width - *x;
 727                 ty = *y;
 728                 break;
 729         case WL_OUTPUT_TRANSFORM_FLIPPED_90:
 730                 tx = width - *y;
 731                 ty = height - *x;
 732                 break;
 733         case WL_OUTPUT_TRANSFORM_FLIPPED_180:
 734                 tx = *x;
 735                 ty = height - *y;
 736                 break;
 737         case WL_OUTPUT_TRANSFORM_FLIPPED_270:
 738                 tx = *y;
 739                 ty = *x;
 740                 break;
 741         }
 742
 743         tx += wl_fixed_from_int(output->x);
 744         ty += wl_fixed_from_int(output->y);
 745
 746         *x = tx;
 747         *y = ty;
 748 }
 749
 750 static void
 751 x11_compositor_deliver_motion_event(struct x11_compositor *c,
 752                                         xcb_generic_event_t *event)
 753 {
 754         struct x11_output *output;
 755         wl_fixed_t x, y;
 756         xcb_motion_notify_event_t *motion_notify =
 757                         (xcb_motion_notify_event_t *) event;
 758
 759         if (!c->has_xkb)
 760                 update_xkb_state_from_core(c, motion_notify->state);
 761         output = x11_compositor_find_output(c, motion_notify->event);
 762         x = wl_fixed_from_int(motion_notify->event_x);
 763         y = wl_fixed_from_int(motion_notify->event_y);
 764         x11_output_transform_coordinate(output, &x, &y);
 765
 766         notify_motion(&c->core_seat, weston_compositor_get_time(), x, y);
 767 }
 768
 769 static void
 770 x11_compositor_deliver_enter_event(struct x11_compositor *c,
 771                                         xcb_generic_event_t *event)
 772 {
 773         struct x11_output *output;
 774         wl_fixed_t x, y;
 775
 776         xcb_enter_notify_event_t *enter_notify =
 777                         (xcb_enter_notify_event_t *) event;
 778         if (enter_notify->state >= Button1Mask)
 779                 return;
 780         if (!c->has_xkb)
 781                 update_xkb_state_from_core(c, enter_notify->state);
 782         output = x11_compositor_find_output(c, enter_notify->event);
 783         x = wl_fixed_from_int(enter_notify->event_x);
 784         y = wl_fixed_from_int(enter_notify->event_y);
 785         x11_output_transform_coordinate(output, &x, &y);
 786
 787         notify_pointer_focus(&c->core_seat, &output->base, x, y);
 788 }
 789
 790 static int
 791 x11_compositor_next_event(struct x11_compositor *c,
 792                           xcb_generic_event_t **event, uint32_t mask)
 793 {
 794         if (mask & WL_EVENT_READABLE) {
 795                 *event = xcb_poll_for_event(c->conn);
 796         } else {
 797 #ifdef HAVE_XCB_POLL_FOR_QUEUED_EVENT
 798                 *event = xcb_poll_for_queued_event(c->conn);
 799 #else
 800                 *event = xcb_poll_for_event(c->conn);
 801 #endif
 802         }
 803
 804         return *event != NULL;
 805 }
 806
 807 static int
 808 x11_compositor_handle_event(int fd, uint32_t mask, void *data)
 809 {
 810         struct x11_compositor *c = data;
 811         struct x11_output *output;
 812         xcb_generic_event_t *event, *prev;
 813         xcb_client_message_event_t *client_message;
 814         xcb_enter_notify_event_t *enter_notify;
 815         xcb_key_press_event_t *key_press, *key_release;
 816         xcb_keymap_notify_event_t *keymap_notify;
 817         xcb_focus_in_event_t *focus_in;
 818         xcb_expose_event_t *expose;
 819         xcb_atom_t atom;
 820         uint32_t *k;
 821         uint32_t i, set;
 822         int count;
 823
 824         prev = NULL;
 825         count = 0;
 826         while (x11_compositor_next_event(c, &event, mask)) {
 827                 switch (prev ? prev->response_type & ~0x80 : 0x80) {
 828                 case XCB_KEY_RELEASE:
 829                         /* Suppress key repeat events; this is only used if we
 830                          * don't have XCB XKB support. */
 831                         key_release = (xcb_key_press_event_t *) prev;
 832                         key_press = (xcb_key_press_event_t *) event;
 833                         if ((event->response_type & ~0x80) == XCB_KEY_PRESS &&
 834                             key_release->time == key_press->time &&
 835                             key_release->detail == key_press->detail) {
 836                                 /* Don't deliver the held key release
 837                                  * event or the new key press event. */
 838                                 free(event);
 839                                 free(prev);
 840                                 prev = NULL;
 841                                 continue;
 842                         } else {
 843                                 /* Deliver the held key release now
 844                                  * and fall through and handle the new
 845                                  * event below. */
 846                                 update_xkb_state_from_core(c, key_release->state);
 847                                 notify_key(&c->core_seat,
 848                                            weston_compositor_get_time(),
 849                                            key_release->detail - 8,
 850                                            WL_KEYBOARD_KEY_STATE_RELEASED,
 851                                            STATE_UPDATE_AUTOMATIC);
 852                                 free(prev);
 853                                 prev = NULL;
 854                                 break;
 855                         }
 856
 857                 case XCB_FOCUS_IN:
 858                         /* assert event is keymap_notify */
 859                         focus_in = (xcb_focus_in_event_t *) prev;
 860                         keymap_notify = (xcb_keymap_notify_event_t *) event;
 861                         c->keys.size = 0;
 862                         for (i = 0; i < ARRAY_LENGTH(keymap_notify->keys) * 8; i++) {
 863                                 set = keymap_notify->keys[i >> 3] &
 864                                         (1 << (i & 7));
 865                                 if (set) {
 866                                         k = wl_array_add(&c->keys, sizeof *k);
 867                                         *k = i;
 868                                 }
 869                         }
 870
 871                         output = x11_compositor_find_output(c, focus_in->event);
 872                         /* Unfortunately the state only comes with the enter
 873                          * event, rather than with the focus event.  I'm not
 874                          * sure of the exact semantics around it and whether
 875                          * we can ensure that we get both? */
 876                         notify_keyboard_focus_in(&c->core_seat, &c->keys,
 877                                                  STATE_UPDATE_AUTOMATIC);
 878
 879                         free(prev);
 880                         prev = NULL;
 881                         break;
 882
 883                 default:
 884                         /* No previous event held */
 885                         break;
 886                 }
 887
 888                 switch (event->response_type & ~0x80) {
 889                 case XCB_KEY_PRESS:
 890                         key_press = (xcb_key_press_event_t *) event;
 891                         if (!c->has_xkb)
 892                                 update_xkb_state_from_core(c, key_press->state);
 893                         notify_key(&c->core_seat,
 894                                    weston_compositor_get_time(),
 895                                    key_press->detail - 8,
 896                                    WL_KEYBOARD_KEY_STATE_PRESSED,
 897                                    c->has_xkb ? STATE_UPDATE_NONE :
 898                                                 STATE_UPDATE_AUTOMATIC);
 899                         break;
 900                 case XCB_KEY_RELEASE:
 901                         /* If we don't have XKB, we need to use the lame
 902                          * autorepeat detection above. */
 903                         if (!c->has_xkb) {
 904                                 prev = event;
 905                                 break;
 906                         }
 907                         key_release = (xcb_key_press_event_t *) event;
 908                         notify_key(&c->core_seat,
 909                                    weston_compositor_get_time(),
 910                                    key_release->detail - 8,
 911                                    WL_KEYBOARD_KEY_STATE_RELEASED,
 912                                    STATE_UPDATE_NONE);
 913                         break;
 914                 case XCB_BUTTON_PRESS:
 915                         x11_compositor_deliver_button_event(c, event, 1);
 916                         break;
 917                 case XCB_BUTTON_RELEASE:
 918                         x11_compositor_deliver_button_event(c, event, 0);
 919                         break;
 920                 case XCB_MOTION_NOTIFY:
 921                         x11_compositor_deliver_motion_event(c, event);
 922                         break;
 923
 924                 case XCB_EXPOSE:
 925                         expose = (xcb_expose_event_t *) event;
 926                         output = x11_compositor_find_output(c, expose->window);
 927                         weston_output_schedule_repaint(&output->base);
 928                         break;
 929
 930                 case XCB_ENTER_NOTIFY:
 931                         x11_compositor_deliver_enter_event(c, event);
 932                         break;
 933
 934                 case XCB_LEAVE_NOTIFY:
 935                         enter_notify = (xcb_enter_notify_event_t *) event;
 936                         if (enter_notify->state >= Button1Mask)
 937                                 break;
 938                         if (!c->has_xkb)
 939                                 update_xkb_state_from_core(c, enter_notify->state);
 940                         output = x11_compositor_find_output(c, enter_notify->event);
 941                         notify_pointer_focus(&c->core_seat, NULL, 0, 0);
 942                         break;
 943
 944                 case XCB_CLIENT_MESSAGE:
 945                         client_message = (xcb_client_message_event_t *) event;
 946                         atom = client_message->data.data32[0];
 947                         if (atom == c->atom.wm_delete_window)
 948                                 wl_display_terminate(c->base.wl_display);
 949                         break;
 950
 951                 case XCB_FOCUS_IN:
 952                         focus_in = (xcb_focus_in_event_t *) event;
 953                         if (focus_in->mode == XCB_NOTIFY_MODE_WHILE_GRABBED)
 954                                 break;
 955
 956                         prev = event;
 957                         break;
 958
 959                 case XCB_FOCUS_OUT:
 960                         focus_in = (xcb_focus_in_event_t *) event;
 961                         if (focus_in->mode == XCB_NOTIFY_MODE_WHILE_GRABBED ||
 962                             focus_in->mode == XCB_NOTIFY_MODE_UNGRAB)
 963                                 break;
 964                         notify_keyboard_focus_out(&c->core_seat);
 965                         break;
 966
 967                 default:
 968                         break;
 969                 }
 970
 971 #ifdef HAVE_XCB_XKB
 972                 if (c->has_xkb &&
 973                     (event->response_type & ~0x80) == c->xkb_event_base) {
 974                         xcb_xkb_state_notify_event_t *state =
 975                                 (xcb_xkb_state_notify_event_t *) event;
 976                         if (state->xkbType == XCB_XKB_STATE_NOTIFY)
 977                                 update_xkb_state(c, state);
 978                 }
 979 #endif
 980
 981                 count++;
 982                 if (prev != event)
 983                         free (event);
 984         }
 985
 986         switch (prev ? prev->response_type & ~0x80 : 0x80) {
 987         case XCB_KEY_RELEASE:
 988                 key_release = (xcb_key_press_event_t *) prev;
 989                 update_xkb_state_from_core(c, key_release->state);
 990                 notify_key(&c->core_seat,
 991                            weston_compositor_get_time(),
 992                            key_release->detail - 8,
 993                            WL_KEYBOARD_KEY_STATE_RELEASED,
 994                            STATE_UPDATE_AUTOMATIC);
 995                 free(prev);
 996                 prev = NULL;
 997                 break;
 998         default:
 999                 break;
1000         }
1001
1002         return count;
1003 }
1004
1005 #define F(field) offsetof(struct x11_compositor, field)
1006
1007 static void
1008 x11_compositor_get_resources(struct x11_compositor *c)
1009 {
1010         static const struct { const char *name; int offset; } atoms[] = {
1011                 { "WM_PROTOCOLS",       F(atom.wm_protocols) },
1012                 { "WM_NORMAL_HINTS",    F(atom.wm_normal_hints) },
1013                 { "WM_SIZE_HINTS",      F(atom.wm_size_hints) },
1014                 { "WM_DELETE_WINDOW",   F(atom.wm_delete_window) },
1015                 { "WM_CLASS",           F(atom.wm_class) },
1016                 { "_NET_WM_NAME",       F(atom.net_wm_name) },
1017                 { "_NET_WM_ICON",       F(atom.net_wm_icon) },
1018                 { "_NET_WM_STATE",      F(atom.net_wm_state) },
1019                 { "_NET_WM_STATE_FULLSCREEN", F(atom.net_wm_state_fullscreen) },
1020                 { "STRING",             F(atom.string) },
1021                 { "UTF8_STRING",        F(atom.utf8_string) },
1022                 { "CARDINAL",           F(atom.cardinal) },
1023                 { "_XKB_RULES_NAMES",   F(atom.xkb_names) },
1024         };
1025
1026         xcb_intern_atom_cookie_t cookies[ARRAY_LENGTH(atoms)];
1027         xcb_intern_atom_reply_t *reply;
1028         xcb_pixmap_t pixmap;
1029         xcb_gc_t gc;
1030         unsigned int i;
1031         uint8_t data[] = { 0, 0, 0, 0 };
1032
1033         for (i = 0; i < ARRAY_LENGTH(atoms); i++)
1034                 cookies[i] = xcb_intern_atom (c->conn, 0,
1035                                               strlen(atoms[i].name),
1036                                               atoms[i].name);
1037
1038         for (i = 0; i < ARRAY_LENGTH(atoms); i++) {
1039                 reply = xcb_intern_atom_reply (c->conn, cookies[i], NULL);
1040                 *(xcb_atom_t *) ((char *) c + atoms[i].offset) = reply->atom;
1041                 free(reply);
1042         }
1043
1044         pixmap = xcb_generate_id(c->conn);
1045         gc = xcb_generate_id(c->conn);
1046         xcb_create_pixmap(c->conn, 1, pixmap, c->screen->root, 1, 1);
1047         xcb_create_gc(c->conn, gc, pixmap, 0, NULL);
1048         xcb_put_image(c->conn, XCB_IMAGE_FORMAT_XY_PIXMAP,
1049                       pixmap, gc, 1, 1, 0, 0, 0, 32, sizeof data, data);
1050         c->null_cursor = xcb_generate_id(c->conn);
1051         xcb_create_cursor (c->conn, c->null_cursor,
1052                            pixmap, pixmap, 0, 0, 0,  0, 0, 0,  1, 1);
1053         xcb_free_gc(c->conn, gc);
1054         xcb_free_pixmap(c->conn, pixmap);
1055 }
1056
1057 static void
1058 x11_restore(struct weston_compositor *ec)
1059 {
1060 }
1061
1062 static void
1063 x11_free_configured_output(struct x11_configured_output *output)
1064 {
1065         free(output->name);
1066         free(output);
1067 }
1068
1069 static void
1070 x11_destroy(struct weston_compositor *ec)
1071 {
1072         struct x11_compositor *compositor = (struct x11_compositor *)ec;
1073         struct x11_configured_output *o, *n;
1074
1075         wl_list_for_each_safe(o, n, &configured_output_list, link)
1076                 x11_free_configured_output(o);
1077
1078         wl_event_source_remove(compositor->xcb_source);
1079         x11_input_destroy(compositor);
1080
1081         weston_compositor_shutdown(ec); /* destroys outputs, too */
1082
1083         x11_compositor_fini_egl(compositor);
1084
1085         XCloseDisplay(compositor->dpy);
1086         free(ec);
1087 }
1088
1089 static struct weston_compositor *
1090 x11_compositor_create(struct wl_display *display,
1091                       int fullscreen,
1092                       int no_input,
1093                       int argc, char *argv[], const char *config_file)
1094 {
1095         struct x11_compositor *c;
1096         struct x11_configured_output *o;
1097         struct x11_output *output;
1098         xcb_screen_iterator_t s;
1099         int i, x = 0, output_count = 0;
1100         int width, height, count;
1101
1102         weston_log("initializing x11 backend\n");
1103
1104         c = malloc(sizeof *c);
1105         if (c == NULL)
1106                 return NULL;
1107
1108         memset(c, 0, sizeof *c);
1109
1110         if (weston_compositor_init(&c->base, display, argc, argv,
1111                                    config_file) < 0)
1112                 goto err_free;
1113
1114         c->dpy = XOpenDisplay(NULL);
1115         if (c->dpy == NULL)
1116                 goto err_free;
1117
1118         c->conn = XGetXCBConnection(c->dpy);
1119         XSetEventQueueOwner(c->dpy, XCBOwnsEventQueue);
1120
1121         if (xcb_connection_has_error(c->conn))
1122                 goto err_xdisplay;
1123
1124         s = xcb_setup_roots_iterator(xcb_get_setup(c->conn));
1125         c->screen = s.data;
1126         wl_array_init(&c->keys);
1127
1128         x11_compositor_get_resources(c);
1129
1130         c->base.wl_display = display;
1131         if (x11_compositor_init_egl(c) < 0)
1132                 goto err_xdisplay;
1133
1134         c->base.destroy = x11_destroy;
1135         c->base.restore = x11_restore;
1136
1137         if (x11_input_create(c, no_input) < 0)
1138                 goto err_egl;
1139
1140         width = option_width ? option_width : 1024;
1141         height = option_height ? option_height : 640;
1142         count = option_count ? option_count : 1;
1143
1144         wl_list_for_each(o, &configured_output_list, link) {
1145                 output = x11_compositor_create_output(c, x, 0,
1146                                                       option_width ? width :
1147                                                       o->width,
1148                                                       option_height ? height :
1149                                                       o->height,
1150                                                       fullscreen, no_input,
1151                                                       o->name, o->transform);
1152                 if (output == NULL)
1153                         goto err_x11_input;
1154
1155                 x = pixman_region32_extents(&output->base.region)->x2;
1156
1157                 output_count++;
1158                 if (option_count && output_count >= option_count)
1159                         break;
1160         }
1161
1162         for (i = output_count; i < count; i++) {
1163                 output = x11_compositor_create_output(c, x, 0, width, height,
1164                                                       fullscreen, no_input, NULL,
1165                                                       WL_OUTPUT_TRANSFORM_NORMAL);
1166                 if (output == NULL)
1167                         goto err_x11_input;
1168                 x = pixman_region32_extents(&output->base.region)->x2;
1169         }
1170
1171         if (gles2_renderer_init(&c->base) < 0)
1172                 goto err_egl;
1173
1174         c->xcb_source =
1175                 wl_event_loop_add_fd(c->base.input_loop,
1176                                      xcb_get_file_descriptor(c->conn),
1177                                      WL_EVENT_READABLE,
1178                                      x11_compositor_handle_event, c);
1179         wl_event_source_check(c->xcb_source);
1180
1181         return &c->base;
1182
1183 err_x11_input:
1184         x11_input_destroy(c);
1185 err_egl:
1186         x11_compositor_fini_egl(c);
1187 err_xdisplay:
1188         XCloseDisplay(c->dpy);
1189 err_free:
1190         free(c);
1191         return NULL;
1192 }
1193
1194 static void
1195 x11_output_set_transform(struct x11_configured_output *output)
1196 {
1197         if (!output_transform) {
1198                 output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
1199                 return;
1200         }
1201
1202         if (!strcmp(output_transform, "normal"))
1203                 output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
1204         else if (!strcmp(output_transform, "90"))
1205                 output->transform = WL_OUTPUT_TRANSFORM_90;
1206         else if (!strcmp(output_transform, "180"))
1207                 output->transform = WL_OUTPUT_TRANSFORM_180;
1208         else if (!strcmp(output_transform, "270"))
1209                 output->transform = WL_OUTPUT_TRANSFORM_270;
1210         else if (!strcmp(output_transform, "flipped"))
1211                 output->transform = WL_OUTPUT_TRANSFORM_FLIPPED;
1212         else if (!strcmp(output_transform, "flipped-90"))
1213                 output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_90;
1214         else if (!strcmp(output_transform, "flipped-180"))
1215                 output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_180;
1216         else if (!strcmp(output_transform, "flipped-270"))
1217                 output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_270;
1218         else {
1219                 weston_log("Invalid transform \"%s\" for output %s\n",
1220                                                 output_transform, output_name);
1221                 output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
1222         }
1223 }
1224
1225 static void
1226 output_section_done(void *data)
1227 {
1228         struct x11_configured_output *output;
1229
1230         output = malloc(sizeof *output);
1231
1232         if (!output || !output_name || (output_name[0] != 'X') ||
1233                                 (!output_mode && !output_transform)) {
1234                 if (output_name)
1235                         free(output_name);
1236                 output_name = NULL;
1237                 goto err_free;
1238         }
1239
1240         output->name = output_name;
1241
1242         if (output_mode) {
1243                 if (sscanf(output_mode, "%dx%d", &output->width,
1244                                                 &output->height) != 2) {
1245                         weston_log("Invalid mode \"%s\" for output %s\n",
1246                                                         output_mode, output_name);
1247                         x11_free_configured_output(output);
1248                         goto err_free;
1249                 }
1250         } else {
1251                 output->width = 1024;
1252                 output->height = 640;
1253         }
1254
1255         x11_output_set_transform(output);
1256
1257         wl_list_insert(configured_output_list.prev, &output->link);
1258
1259 err_free:
1260         if (output_mode)
1261                 free(output_mode);
1262         if (output_transform)
1263                 free(output_transform);
1264         output_mode = NULL;
1265         output_transform = NULL;
1266 }
1267
1268 WL_EXPORT struct weston_compositor *
1269 backend_init(struct wl_display *display, int argc, char *argv[],
1270              const char *config_file)
1271 {
1272         int fullscreen = 0;
1273         int no_input = 0;
1274
1275         const struct weston_option x11_options[] = {
1276                 { WESTON_OPTION_INTEGER, "width", 0, &option_width },
1277                 { WESTON_OPTION_INTEGER, "height", 0, &option_height },
1278                 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fullscreen },
1279                 { WESTON_OPTION_INTEGER, "output-count", 0, &option_count },
1280                 { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
1281         };
1282
1283         parse_options(x11_options, ARRAY_LENGTH(x11_options), argc, argv);
1284
1285         wl_list_init(&configured_output_list);
1286
1287         const struct config_key x11_config_keys[] = {
1288                 { "name", CONFIG_KEY_STRING, &output_name },
1289                 { "mode", CONFIG_KEY_STRING, &output_mode },
1290                 { "transform", CONFIG_KEY_STRING, &output_transform },
1291         };
1292
1293         const struct config_section config_section[] = {
1294                 { "output", x11_config_keys,
1295                 ARRAY_LENGTH(x11_config_keys), output_section_done },
1296         };
1297
1298         parse_config_file(config_file, config_section,
1299                                 ARRAY_LENGTH(config_section), NULL);
1300
1301         return x11_compositor_create(display,
1302                                      fullscreen,
1303                                      no_input,
1304                                      argc, argv, config_file);
1305 }