src/lib/ecore_evas/ecore_evas_wayland_shm.c

   1 #ifdef HAVE_CONFIG_H
   2 # include "config.h"
   3 #endif
   4
   5 #ifdef STDC_HEADERS
   6 # include <stdlib.h>
   7 # include <stddef.h>
   8 #else
   9 # ifdef HAVE_STDLIB_H
  10 #  include <stdlib.h>
  11 # endif
  12 #endif
  13 #ifdef HAVE_ALLOCA_H
  14 # include <alloca.h>
  15 #elif !defined alloca
  16 # ifdef __GNUC__
  17 #  define alloca __builtin_alloca
  18 # elif defined _AIX
  19 #  define alloca __alloca
  20 # elif defined _MSC_VER
  21 #  include <malloc.h>
  22 #  define alloca _alloca
  23 # elif !defined HAVE_ALLOCA
  24 #  ifdef  __cplusplus
  25 extern "C"
  26 #  endif
  27 void *alloca (size_t);
  28 # endif
  29 #endif
  30
  31 //#define LOGFNS 1
  32
  33 #ifdef LOGFNS
  34 # include <stdio.h>
  35 # define LOGFN(fl, ln, fn) \
  36    printf("-ECORE_EVAS-WL: %25s: %5i - %s\n", fl, ln, fn);
  37 #else
  38 # define LOGFN(fl, ln, fn)
  39 #endif
  40
  41 #ifdef BUILD_ECORE_EVAS_WAYLAND_SHM
  42 # include <stdlib.h>
  43 # include <string.h>
  44 # include <unistd.h>
  45 # include <sys/types.h>
  46 # include <sys/mman.h>
  47 #endif
  48
  49 #include <Eina.h>
  50
  51 #include "Ecore_Evas.h"
  52
  53 #ifdef BUILD_ECORE_EVAS_WAYLAND_SHM
  54 # include "ecore_evas_private.h"
  55 # include <Evas_Engine_Wayland_Shm.h>
  56 # include <Ecore_Wayland.h>
  57
  58 /* local function prototypes */
  59 static void _ecore_evas_wl_free(Ecore_Evas *ee);
  60 static void _ecore_evas_wl_resize(Ecore_Evas *ee, int w, int h);
  61 static void _ecore_evas_wl_move_resize(Ecore_Evas *ee, int x, int y, int w, int h);
  62 static void _ecore_evas_wl_show(Ecore_Evas *ee);
  63 static void _ecore_evas_wl_hide(Ecore_Evas *ee);
  64 static void _ecore_evas_wl_alpha_set(Ecore_Evas *ee, int alpha);
  65 static void _ecore_evas_wl_transparent_set(Ecore_Evas *ee, int transparent);
  66 static int  _ecore_evas_wl_render(Ecore_Evas *ee);
  67
  68 /* SHM Only */
  69 static void _ecore_evas_wl_shm_pool_free(Ecore_Evas *ee);
  70 static void _ecore_evas_wl_shm_pool_create(Ecore_Evas *ee, size_t size);
  71 static void _ecore_evas_wl_buffer_free(Ecore_Evas *ee);
  72 static void _ecore_evas_wl_buffer_new(Ecore_Evas *ee, int w, int h);
  73
  74 /* Frame listener */
  75 static void _ecore_evas_wl_frame_complete(void *data, struct wl_callback *callback, uint32_t time);
  76 static const struct wl_callback_listener frame_listener =
  77 {
  78    _ecore_evas_wl_frame_complete,
  79 };
  80
  81 static Ecore_Evas_Engine_Func _ecore_wl_engine_func =
  82 {
  83    _ecore_evas_wl_free,
  84    _ecore_evas_wl_common_callback_resize_set,
  85    _ecore_evas_wl_common_callback_move_set,
  86    NULL,
  87    NULL,
  88    _ecore_evas_wl_common_callback_delete_request_set,
  89    NULL,
  90    _ecore_evas_wl_common_callback_focus_in_set,
  91    _ecore_evas_wl_common_callback_focus_out_set,
  92    _ecore_evas_wl_common_callback_mouse_in_set,
  93    _ecore_evas_wl_common_callback_mouse_out_set,
  94    NULL, // sticky_set
  95    NULL, // unsticky_set
  96    NULL, // pre_render_set
  97    NULL, // post_render_set
  98    _ecore_evas_wl_common_move,
  99    NULL, // managed_move
 100    _ecore_evas_wl_resize,
 101    _ecore_evas_wl_move_resize,
 102    NULL, // rotation_set
 103    NULL, // shaped_set
 104    _ecore_evas_wl_show,
 105    _ecore_evas_wl_hide,
 106    _ecore_evas_wl_common_raise,
 107    NULL, // lower
 108    NULL, // activate
 109    _ecore_evas_wl_common_title_set,
 110    _ecore_evas_wl_common_name_class_set,
 111    _ecore_evas_wl_common_size_min_set,
 112    _ecore_evas_wl_common_size_max_set,
 113    _ecore_evas_wl_common_size_base_set,
 114    _ecore_evas_wl_common_size_step_set,
 115    NULL, // object_cursor_set
 116    _ecore_evas_wl_common_layer_set,
 117    NULL, // focus set
 118    _ecore_evas_wl_common_iconified_set,
 119    NULL, // borderless set
 120    NULL, // override set
 121    _ecore_evas_wl_common_maximized_set,
 122    _ecore_evas_wl_common_fullscreen_set,
 123    NULL, // func avoid_damage set
 124    NULL, // func withdrawn set
 125    NULL, // func sticky set
 126    _ecore_evas_wl_common_ignore_events_set,
 127    _ecore_evas_wl_alpha_set,
 128    _ecore_evas_wl_transparent_set,
 129    NULL, // func profiles set
 130    NULL, // window group set
 131    NULL, // aspect set
 132    NULL, // urgent set
 133    NULL, // modal set
 134    NULL, // demand attention set
 135    NULL, // focus skip set
 136    _ecore_evas_wl_render,
 137    _ecore_evas_wl_common_screen_geometry_get,
 138    _ecore_evas_wl_common_screen_dpi_get,
 139    NULL, // wm_rot_preferred_rotation_set
 140    NULL  // wm_rot_available_rotations_set
 141 };
 142
 143 /* external variables */
 144
 145 /* external functions */
 146 EAPI Ecore_Evas *
 147 ecore_evas_wayland_shm_new(const char *disp_name, unsigned int parent, int x, int y, int w, int h, Eina_Bool frame)
 148 {
 149    Ecore_Wl_Window *p = NULL;
 150    Evas_Engine_Info_Wayland_Shm *einfo;
 151    Ecore_Evas *ee;
 152    int method = 0, count = 0;
 153
 154    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 155
 156    if (!(method = evas_render_method_lookup("wayland_shm")))
 157      {
 158         ERR("Render method lookup failed for Wayland_Shm");
 159         return NULL;
 160      }
 161
 162    count = ecore_wl_init(disp_name);
 163    if (!count)
 164      {
 165         ERR("Failed to initialize Ecore_Wayland");
 166         return NULL;
 167      }
 168    else if (count == 1)
 169      ecore_wl_display_iterate();
 170
 171    if (!(ee = calloc(1, sizeof(Ecore_Evas))))
 172      {
 173         ERR("Failed to allocate Ecore_Evas");
 174         goto ee_err;
 175      }
 176
 177    ECORE_MAGIC_SET(ee, ECORE_MAGIC_EVAS);
 178
 179    _ecore_evas_wl_common_init();
 180
 181    ee->engine.func = (Ecore_Evas_Engine_Func *)&_ecore_wl_engine_func;
 182
 183    ee->driver = "wayland_shm";
 184    if (disp_name) ee->name = strdup(disp_name);
 185
 186    if (w < 1) w = 1;
 187    if (h < 1) h = 1;
 188
 189    ee->x = x;
 190    ee->y = y;
 191    ee->w = w;
 192    ee->h = h;
 193    ee->req.x = ee->x;
 194    ee->req.y = ee->y;
 195    ee->req.w = ee->w;
 196    ee->req.h = ee->h;
 197    ee->rotation = 0;
 198    ee->prop.max.w = 32767;
 199    ee->prop.max.h = 32767;
 200    ee->prop.layer = 4;
 201    ee->prop.request_pos = 0;
 202    ee->prop.sticky = 0;
 203    ee->prop.draw_frame = frame;
 204    ee->alpha = EINA_FALSE;
 205
 206    ee->evas = evas_new();
 207    evas_data_attach_set(ee->evas, ee);
 208    evas_output_method_set(ee->evas, method);
 209    evas_output_size_set(ee->evas, ee->w, ee->h);
 210    evas_output_viewport_set(ee->evas, 0, 0, ee->w, ee->h);
 211
 212    /* FIXME: This needs to be set based on theme & scale */
 213    if (ee->prop.draw_frame)
 214      evas_output_framespace_set(ee->evas, 4, 18, 8, 22);
 215
 216    if (parent)
 217      p = ecore_wl_window_find(parent);
 218
 219    /* FIXME: Get if parent is alpha, and set */
 220
 221    ee->engine.wl.parent = p;
 222    ee->engine.wl.win =
 223      ecore_wl_window_new(p, x, y, w, h, ECORE_WL_WINDOW_BUFFER_TYPE_SHM);
 224    ee->prop.window = ee->engine.wl.win->id;
 225
 226    if ((einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas)))
 227      {
 228         einfo->info.destination_alpha = ee->alpha;
 229         einfo->info.rotation = ee->rotation;
 230         if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
 231           {
 232              ERR("Failed to set Evas Engine Info for '%s'", ee->driver);
 233              goto err;
 234           }
 235      }
 236    else
 237      {
 238         ERR("Failed to get Evas Engine Info for '%s'", ee->driver);
 239         goto err;
 240      }
 241
 242    ecore_evas_callback_pre_free_set(ee, _ecore_evas_wl_common_pre_free);
 243
 244    if (ee->prop.draw_frame)
 245      {
 246         ee->engine.wl.frame = _ecore_evas_wl_common_frame_add(ee->evas);
 247         evas_object_is_frame_object_set(ee->engine.wl.frame, EINA_TRUE);
 248         evas_object_move(ee->engine.wl.frame, 0, 0);
 249      }
 250
 251    _ecore_evas_register(ee);
 252    ecore_evas_input_event_register(ee);
 253
 254    ecore_event_window_register(ee->prop.window, ee, ee->evas,
 255                                (Ecore_Event_Mouse_Move_Cb)_ecore_evas_mouse_move_process,
 256                                (Ecore_Event_Multi_Move_Cb)_ecore_evas_mouse_multi_move_process,
 257                                (Ecore_Event_Multi_Down_Cb)_ecore_evas_mouse_multi_down_process,
 258                                (Ecore_Event_Multi_Up_Cb)_ecore_evas_mouse_multi_up_process);
 259
 260    return ee;
 261
 262  err:
 263    ecore_evas_free(ee);
 264    _ecore_evas_wl_common_shutdown();
 265
 266  ee_err:
 267    ecore_wl_shutdown();
 268    return NULL;
 269 }
 270
 271 static void
 272 _ecore_evas_wl_free(Ecore_Evas *ee)
 273 {
 274    _ecore_evas_wl_buffer_free(ee);
 275    _ecore_evas_wl_shm_pool_free(ee);
 276    _ecore_evas_wl_common_free(ee);
 277 }
 278
 279 static void
 280 _ecore_evas_wl_resize(Ecore_Evas *ee, int w, int h)
 281 {
 282    Evas_Engine_Info_Wayland_Shm *einfo;
 283
 284    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 285
 286    if (!ee) return;
 287    if (w < 1) w = 1;
 288    if (h < 1) h = 1;
 289
 290    ee->req.w = w;
 291    ee->req.h = h;
 292
 293    if (!ee->prop.fullscreen)
 294      {
 295         int fw = 0, fh = 0;
 296
 297         if (ee->prop.min.w > w) w = ee->prop.min.w;
 298         else if (w > ee->prop.max.w) w = ee->prop.max.w;
 299         if (ee->prop.min.h > h) h = ee->prop.min.h;
 300         else if (h > ee->prop.max.h) h = ee->prop.max.h;
 301
 302         evas_output_framespace_get(ee->evas, NULL, NULL, &fw, &fh);
 303         w += fw;
 304         h += fh;
 305      }
 306
 307    if ((ee->w != w) || (ee->h != h))
 308      {
 309         ee->w = w;
 310         ee->h = h;
 311
 312         if ((ee->rotation == 90) || (ee->rotation == 270))
 313           {
 314              evas_output_size_set(ee->evas, h, w);
 315              evas_output_viewport_set(ee->evas, 0, 0, h, w);
 316           }
 317         else
 318           {
 319              evas_output_size_set(ee->evas, w, h);
 320              evas_output_viewport_set(ee->evas, 0, 0, w, h);
 321           }
 322
 323         if (ee->prop.avoid_damage)
 324           {
 325              int pdam = 0;
 326
 327              pdam = ecore_evas_avoid_damage_get(ee);
 328              ecore_evas_avoid_damage_set(ee, 0);
 329              ecore_evas_avoid_damage_set(ee, pdam);
 330           }
 331
 332         if (ee->engine.wl.frame)
 333           evas_object_resize(ee->engine.wl.frame, w, h);
 334
 335         _ecore_evas_wl_buffer_new(ee, w, h);
 336
 337         einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas);
 338         if (!einfo)
 339           {
 340             ERR("Failed to get Evas Engine Info for '%s'", ee->driver);
 341             return;
 342           }
 343
 344         einfo->info.dest = ee->engine.wl.pool_data;
 345         evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo);
 346
 347         if (ee->engine.wl.win)
 348           {
 349              ecore_wl_window_update_size(ee->engine.wl.win, w, h);
 350              ecore_wl_window_buffer_attach(ee->engine.wl.win,
 351                                            ee->engine.wl.buffer, 0, 0);
 352           }
 353
 354         if (ee->func.fn_resize) ee->func.fn_resize(ee);
 355      }
 356 }
 357
 358 static void
 359 _ecore_evas_wl_move_resize(Ecore_Evas *ee, int x, int y, int w, int h)
 360 {
 361    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 362
 363    if (!ee) return;
 364    if ((ee->x != x) || (ee->y != y))
 365      _ecore_evas_wl_common_move(ee, x, y);
 366    if ((ee->w != w) || (ee->h != h))
 367      _ecore_evas_wl_resize(ee, w, h);
 368 }
 369
 370 static void
 371 _ecore_evas_wl_show(Ecore_Evas *ee)
 372 {
 373    Evas_Engine_Info_Wayland_Shm *einfo;
 374
 375    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 376
 377    if ((!ee) || (ee->visible)) return;
 378
 379    _ecore_evas_wl_buffer_new(ee, ee->w, ee->h);
 380
 381    einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas);
 382    if (!einfo)
 383      {
 384         ERR("Failed to get Evas Engine Info for '%s'", ee->driver);
 385         return;
 386      }
 387
 388    einfo->info.dest = ee->engine.wl.pool_data;
 389    evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo);
 390
 391    if (ee->engine.wl.win)
 392      {
 393         ecore_wl_window_show(ee->engine.wl.win);
 394         ecore_wl_window_update_size(ee->engine.wl.win, ee->w, ee->h);
 395         ecore_wl_window_buffer_attach(ee->engine.wl.win,
 396                                       ee->engine.wl.buffer, 0, 0);
 397
 398         if ((ee->prop.clas) && (ee->engine.wl.win->shell_surface))
 399           wl_shell_surface_set_class(ee->engine.wl.win->shell_surface,
 400                                      ee->prop.clas);
 401         if ((ee->prop.title) && (ee->engine.wl.win->shell_surface))
 402           wl_shell_surface_set_title(ee->engine.wl.win->shell_surface,
 403                                      ee->prop.title);
 404      }
 405
 406    if (ee->engine.wl.frame)
 407      {
 408         evas_object_show(ee->engine.wl.frame);
 409         evas_object_resize(ee->engine.wl.frame, ee->w, ee->h);
 410      }
 411
 412    ee->visible = 1;
 413    if (ee->func.fn_show) ee->func.fn_show(ee);
 414 }
 415
 416 static void
 417 _ecore_evas_wl_hide(Ecore_Evas *ee)
 418 {
 419    Evas_Engine_Info_Wayland_Shm *einfo;
 420
 421    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 422
 423    if ((!ee) || (!ee->visible)) return;
 424
 425    _ecore_evas_wl_buffer_free(ee);
 426
 427    munmap(ee->engine.wl.pool_data, ee->engine.wl.pool_size);
 428
 429    einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas);
 430    if ((einfo) && (einfo->info.dest))
 431      {
 432         einfo->info.dest = NULL;
 433         evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo);
 434      }
 435
 436    if (ee->engine.wl.win)
 437      ecore_wl_window_hide(ee->engine.wl.win);
 438
 439    ee->visible = 0;
 440    ee->should_be_visible = 0;
 441
 442    if (ee->func.fn_hide) ee->func.fn_hide(ee);
 443 }
 444
 445 static void
 446 _ecore_evas_wl_alpha_set(Ecore_Evas *ee, int alpha)
 447 {
 448    Evas_Engine_Info_Wayland_Shm *einfo;
 449    Ecore_Wl_Window *win = NULL;
 450
 451    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 452
 453    if (!ee) return;
 454    if ((ee->alpha == alpha)) return;
 455    ee->alpha = alpha;
 456
 457    /* FIXME: NB: We should really add a ecore_wl_window_alpha_set function
 458     * but we are in API freeze, so just hack it in for now and fix when
 459     * freeze is over */
 460    if ((win = ee->engine.wl.win))
 461      win->alpha = alpha;
 462
 463    /* if (ee->engine.wl.win) */
 464    /*   ecore_wl_window_transparent_set(ee->engine.wl.win, alpha); */
 465
 466    _ecore_evas_wl_buffer_new(ee, ee->w, ee->h);
 467
 468    if ((einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas)))
 469      {
 470         einfo->info.destination_alpha = alpha;
 471         einfo->info.dest = ee->engine.wl.pool_data;
 472         if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
 473           ERR("evas_engine_info_set() for engine '%s' failed.", ee->driver);
 474         evas_damage_rectangle_add(ee->evas, 0, 0, ee->w, ee->h);
 475      }
 476
 477    if (win)
 478      {
 479         ecore_wl_window_update_size(win, ee->w, ee->h);
 480         ecore_wl_window_buffer_attach(win, ee->engine.wl.buffer, 0, 0);
 481      }
 482 }
 483
 484 static void
 485 _ecore_evas_wl_transparent_set(Ecore_Evas *ee, int transparent)
 486 {
 487    Evas_Engine_Info_Wayland_Shm *einfo;
 488
 489    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 490
 491    if (!ee) return;
 492    if ((ee->transparent == transparent)) return;
 493    ee->transparent = transparent;
 494
 495    if (ee->engine.wl.win)
 496      ecore_wl_window_transparent_set(ee->engine.wl.win, transparent);
 497
 498    _ecore_evas_wl_buffer_new(ee, ee->w, ee->h);
 499
 500    if ((einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas)))
 501      {
 502         einfo->info.destination_alpha = transparent;
 503         einfo->info.dest = ee->engine.wl.pool_data;
 504         if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
 505           ERR("evas_engine_info_set() for engine '%s' failed.", ee->driver);
 506         evas_damage_rectangle_add(ee->evas, 0, 0, ee->w, ee->h);
 507      }
 508
 509    if (ee->engine.wl.win)
 510      {
 511         ecore_wl_window_update_size(ee->engine.wl.win, ee->w, ee->h);
 512         ecore_wl_window_buffer_attach(ee->engine.wl.win,
 513                                       ee->engine.wl.buffer, 0, 0);
 514      }
 515 }
 516
 517 static void
 518 _ecore_evas_wl_frame_complete(void *data, struct wl_callback *callback, uint32_t time __UNUSED__)
 519 {
 520    Ecore_Evas *ee = data;
 521    Ecore_Wl_Window *win = NULL;
 522
 523    if (!ee) return;
 524    if (!(win = ee->engine.wl.win)) return;
 525
 526    win->frame_callback = NULL;
 527    win->frame_pending = EINA_FALSE;
 528    wl_callback_destroy(callback);
 529
 530    if (win->surface)
 531      {
 532         win->frame_callback = wl_surface_frame(win->surface);
 533         wl_callback_add_listener(win->frame_callback, &frame_listener, ee);
 534      }
 535 }
 536
 537 static int
 538 _ecore_evas_wl_render(Ecore_Evas *ee)
 539 {
 540    int rend = 0;
 541    Ecore_Wl_Window *win = NULL;
 542
 543    if (!ee) return 0;
 544    if (!ee->visible)
 545      {
 546         evas_norender(ee->evas);
 547         return 0;
 548      }
 549
 550    if (!(win = ee->engine.wl.win)) return 0;
 551
 552    rend = _ecore_evas_wl_common_pre_render(ee);
 553    if (!(win->frame_pending))
 554      {
 555         /* FIXME - ideally have an evas_changed_get to return the value
 556          * of evas->changed to avoid creating this callback and
 557          * destroying it again
 558          */
 559
 560         if (!win->frame_callback)
 561           {
 562              win->frame_callback = wl_surface_frame(win->surface);
 563              wl_callback_add_listener(win->frame_callback, &frame_listener, ee);
 564           }
 565
 566         rend |= _ecore_evas_wl_common_render_updates(ee);
 567         if (rend)
 568            win->frame_pending = EINA_TRUE;
 569      }
 570    _ecore_evas_wl_common_post_render(ee);
 571    return rend;
 572 }
 573
 574 static void
 575 _ecore_evas_wl_shm_pool_free(Ecore_Evas *ee)
 576 {
 577    if (!ee->engine.wl.pool) return;
 578
 579    wl_shm_pool_destroy(ee->engine.wl.pool);
 580    ee->engine.wl.pool = NULL;
 581    ee->engine.wl.pool_size = 0;
 582    ee->engine.wl.pool_data = NULL;
 583 }
 584
 585 static void
 586 _ecore_evas_wl_shm_pool_create(Ecore_Evas *ee, size_t size)
 587 {
 588    struct wl_shm *shm;
 589    void *data;
 590    char tmp[PATH_MAX];
 591    int fd;
 592
 593    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 594
 595    if (size <= ee->engine.wl.pool_size)
 596       return;
 597
 598    size *= 1.5;
 599    _ecore_evas_wl_shm_pool_free(ee);
 600
 601    if (!(shm = ecore_wl_shm_get()))
 602      {
 603         ERR("ecore_wl_shm_get returned NULL");
 604         return;
 605      }
 606
 607    strcpy(tmp, "/tmp/ecore-evas-wayland_shm-XXXXXX");
 608    if ((fd = mkstemp(tmp)) < 0)
 609      {
 610         ERR("Could not create temporary file.");
 611         return;
 612      }
 613
 614    if (ftruncate(fd, size) < 0)
 615      {
 616         ERR("Could not truncate temporary file.");
 617         goto end;
 618      }
 619
 620    data = mmap(NULL, size, (PROT_READ | PROT_WRITE), MAP_SHARED, fd, 0);
 621    unlink(tmp);
 622
 623    if (data == MAP_FAILED)
 624      {
 625         ERR("mmap of temporary file failed.");
 626         goto end;
 627      }
 628
 629    ee->engine.wl.pool_size = size;
 630    ee->engine.wl.pool_data = data;
 631    ee->engine.wl.pool = wl_shm_create_pool(shm, fd, size);
 632
 633  end:
 634    close(fd);
 635 }
 636
 637 static void
 638 _ecore_evas_wl_buffer_free(Ecore_Evas *ee)
 639 {
 640    if (!ee->engine.wl.buffer) return;
 641
 642    wl_buffer_destroy(ee->engine.wl.buffer);
 643    ee->engine.wl.buffer = NULL;
 644 }
 645
 646 static void
 647 _ecore_evas_wl_buffer_new(Ecore_Evas *ee, int w, int h)
 648 {
 649    unsigned int format;
 650    int stride = 0;
 651
 652    stride = (w * sizeof(int));
 653
 654    _ecore_evas_wl_shm_pool_create(ee, stride * h);
 655
 656    if ((ee->alpha) || (ee->transparent))
 657      format = WL_SHM_FORMAT_ARGB8888;
 658    else
 659      format = WL_SHM_FORMAT_XRGB8888;
 660
 661    _ecore_evas_wl_buffer_free(ee);
 662    ee->engine.wl.buffer =
 663      wl_shm_pool_create_buffer(ee->engine.wl.pool, 0, w, h, stride, format);
 664 }
 665
 666 void
 667 _ecore_evas_wayland_shm_resize(Ecore_Evas *ee, int location)
 668 {
 669    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 670
 671    if (!ee) return;
 672    if (ee->engine.wl.win)
 673      {
 674         ee->engine.wl.win->resizing = EINA_TRUE;
 675         ecore_wl_window_resize(ee->engine.wl.win, ee->w, ee->h, location);
 676      }
 677 }
 678 #else
 679 EAPI Ecore_Evas *
 680 ecore_evas_wayland_shm_new(const char *disp_name __UNUSED__, unsigned int parent __UNUSED__, int x __UNUSED__, int y __UNUSED__, int w __UNUSED__, int h __UNUSED__, Eina_Bool frame __UNUSED__)
 681 {
 682    return NULL;
 683 }
 684 #endif