client/tdm_client.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include <stdio.h>
  41 #include <string.h>
  42 #include <stdlib.h>
  43 #include <time.h>
  44 #include <strings.h>
  45
  46 #include "tdm_client.h"
  47 #include "tdm_log.h"
  48 #include "tdm_macro.h"
  49 #include "tdm_list.h"
  50 #include "tdm.h"
  51 #include "tdm_private.h"
  52 #include "tdm-client-protocol.h"
  53
  54 typedef struct _tdm_private_client_vblank tdm_private_client_vblank;
  55
  56 typedef struct _tdm_private_client {
  57         struct wl_display *display;
  58         struct wl_registry *registry;
  59         struct wl_tdm *tdm;
  60         struct list_head output_list;
  61
  62         tdm_private_client_vblank *temp_vblank;
  63 } tdm_private_client;
  64
  65 typedef struct _tdm_private_client_output {
  66         tdm_private_client *private_client;
  67
  68         char name[TDM_NAME_LEN];
  69         struct wl_tdm_output *output;
  70         int width;
  71         int height;
  72         int refresh;
  73         tdm_output_conn_status connection;
  74         tdm_output_dpms dpms;
  75         struct list_head vblank_list;
  76         struct list_head change_handler_list;
  77
  78         unsigned int req_id;
  79
  80         struct list_head link;
  81 } tdm_private_client_output;
  82
  83 struct _tdm_private_client_vblank {
  84         tdm_private_client_output *private_output;
  85
  86         struct wl_tdm_vblank *vblank;
  87         struct list_head wait_list;
  88
  89         char name[TDM_NAME_LEN];
  90         unsigned int sync;
  91         unsigned int fps;
  92         int offset;
  93         unsigned int enable_fake;
  94
  95         unsigned int started;
  96
  97         double last_time;
  98
  99         struct list_head link;
 100 };
 101
 102 typedef struct _tdm_client_output_handler_info {
 103         tdm_private_client_output *private_output;
 104
 105         tdm_client_output_change_handler func;
 106         void *user_data;
 107
 108         struct list_head link;
 109 } tdm_client_output_handler_info;
 110
 111 typedef struct _tdm_client_wait_info {
 112         tdm_private_client_vblank *private_vblank;
 113
 114         tdm_client_vblank_handler func;
 115         void *user_data;
 116
 117         unsigned int req_id;
 118         double req_time;
 119         int need_free;
 120
 121         struct list_head link;
 122 } tdm_client_wait_info;
 123
 124 static void
 125 _tdm_client_vblank_cb_done(void *data, struct wl_tdm_vblank *wl_tdm_vblank,
 126                                                    uint32_t req_id, uint32_t sequence, uint32_t tv_sec,
 127                                                    uint32_t tv_usec, uint32_t error)
 128 {
 129         tdm_private_client_vblank *private_vblank = data;
 130         tdm_client_wait_info *w = NULL, *ww = NULL;
 131
 132         TDM_RETURN_IF_FAIL(private_vblank != NULL);
 133
 134         private_vblank->last_time = TDM_TIME(tv_sec, tv_usec);
 135
 136         TDM_DBG("vblank(%p) req_id(%u) sequence(%u) time(%.6f)",
 137                         private_vblank, req_id, sequence, TDM_TIME(tv_sec, tv_usec));
 138
 139         TDM_TRACE_COUNT(ClientDoneVBlank, req_id);
 140
 141         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_vblank->wait_list, link) {
 142                 if (w->req_id != req_id)
 143                         continue;
 144
 145                 if (w->req_time >= private_vblank->last_time)
 146                         TDM_ERR("'req(%.6f) < last(%.6f)' failed", w->req_time, private_vblank->last_time);
 147
 148                 if (w->func)
 149                         w->func(private_vblank, error, sequence, tv_sec, tv_usec, w->user_data);
 150
 151                 if (w->need_free) {
 152                         LIST_DEL(&w->link);
 153                         free(w);
 154                 } else
 155                         w->need_free = 1;
 156                 return;
 157         }
 158 }
 159
 160 static const struct wl_tdm_vblank_listener tdm_client_vblank_listener = {
 161         _tdm_client_vblank_cb_done,
 162 };
 163
 164 static void
 165 _tdm_client_output_destroy(tdm_private_client_output *private_output)
 166 {
 167         tdm_private_client_vblank *v = NULL, *vv = NULL;
 168         tdm_client_output_handler_info *h = NULL, *hh = NULL;
 169
 170         LIST_DEL(&private_output->link);
 171
 172         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_list, link) {
 173                 TDM_ERR("vblanks SHOULD be destroyed first!");
 174                 LIST_DEL(&v->link);
 175                 v->private_output = NULL;
 176         }
 177
 178         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list, link) {
 179                 LIST_DEL(&h->link);
 180                 free(h);
 181         }
 182
 183         wl_tdm_output_destroy(private_output->output);
 184
 185         free(private_output);
 186 }
 187
 188 static void
 189 _tdm_client_output_cb_mode(void *data, struct wl_tdm_output *wl_tdm_output,
 190                                                    uint32_t width, uint32_t height, uint32_t refresh)
 191 {
 192         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 193
 194         TDM_RETURN_IF_FAIL(private_output != NULL);
 195
 196         private_output->width = width;
 197         private_output->height = height;
 198         private_output->refresh = refresh;
 199
 200         TDM_DBG("private_output(%p) wl_tbm_output@%d width(%d) height(%d) refresh(%d)",
 201                         private_output, wl_proxy_get_id((struct wl_proxy*)private_output->output),
 202                         width, height, refresh);
 203 }
 204
 205 static void
 206 _tdm_client_output_cb_connection(void *data, struct wl_tdm_output *wl_tdm_output, uint32_t value)
 207 {
 208         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 209         tdm_client_output_handler_info *h = NULL;
 210         tdm_value v;
 211
 212         TDM_RETURN_IF_FAIL(private_output != NULL);
 213
 214         if (private_output->connection == value)
 215                 return;
 216
 217         private_output->connection = value;
 218
 219         TDM_DBG("private_output(%p) wl_tbm_output@%d connection(%d)",
 220                         private_output,
 221                         wl_proxy_get_id((struct wl_proxy*)private_output->output),
 222                         value);
 223
 224         v.u32 = value;
 225         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 226                 if (h->func)
 227                         h->func(private_output, TDM_OUTPUT_CHANGE_CONNECTION, v, h->user_data);
 228         }
 229 }
 230
 231 static void
 232 _tdm_client_output_cb_dpms(void *data, struct wl_tdm_output *wl_tdm_output, uint32_t value)
 233 {
 234         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 235         tdm_client_output_handler_info *h = NULL;
 236         tdm_value v;
 237
 238         TDM_RETURN_IF_FAIL(private_output != NULL);
 239
 240         if (private_output->dpms == value)
 241                 return;
 242
 243         private_output->dpms = value;
 244
 245         TDM_DBG("private_output(%p) wl_tbm_output@%d dpms(%d)",
 246                         private_output,
 247                         wl_proxy_get_id((struct wl_proxy*)private_output->output),
 248                         value);
 249
 250         v.u32 = value;
 251         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 252                 if (h->func)
 253                         h->func(private_output, TDM_OUTPUT_CHANGE_DPMS, v, h->user_data);
 254         }
 255 }
 256
 257 static const struct wl_tdm_output_listener tdm_client_output_listener = {
 258         _tdm_client_output_cb_mode,
 259         _tdm_client_output_cb_connection,
 260         _tdm_client_output_cb_dpms,
 261 };
 262
 263 static void
 264 _tdm_client_cb_global(void *data, struct wl_registry *registry,
 265                                           uint32_t name, const char *interface,
 266                                           uint32_t version)
 267 {
 268         tdm_private_client *private_client = data;
 269
 270         if (strncmp(interface, "wl_tdm", 6) == 0) {
 271                 private_client->tdm =
 272                         wl_registry_bind(registry, name, &wl_tdm_interface, version);
 273                 TDM_RETURN_IF_FAIL(private_client->tdm != NULL);
 274
 275                 wl_display_flush(private_client->display);
 276         }
 277 }
 278
 279 static void
 280 _tdm_client_cb_global_remove(void *data, struct wl_registry *registry, uint32_t name)
 281 {
 282 }
 283
 284 static const struct wl_registry_listener tdm_client_registry_listener = {
 285         _tdm_client_cb_global,
 286         _tdm_client_cb_global_remove
 287 };
 288
 289 tdm_client*
 290 tdm_client_create(tdm_error *error)
 291 {
 292         tdm_private_client *private_client;
 293
 294         private_client = calloc(1, sizeof *private_client);
 295         if (!private_client) {
 296                 TDM_ERR("alloc failed");
 297                 if (error)
 298                         *error = TDM_ERROR_OUT_OF_MEMORY;
 299                 return NULL;
 300         }
 301
 302         LIST_INITHEAD(&private_client->output_list);
 303
 304         private_client->display = wl_display_connect("tdm-socket");
 305         TDM_GOTO_IF_FAIL(private_client->display != NULL, create_failed);
 306
 307         private_client->registry = wl_display_get_registry(private_client->display);
 308         TDM_GOTO_IF_FAIL(private_client->registry != NULL, create_failed);
 309
 310         wl_registry_add_listener(private_client->registry,
 311                                                          &tdm_client_registry_listener, private_client);
 312         wl_display_roundtrip(private_client->display);
 313
 314         /* check global objects */
 315         TDM_GOTO_IF_FAIL(private_client->tdm != NULL, create_failed);
 316
 317         if (error)
 318                 *error = TDM_ERROR_NONE;
 319
 320         return (tdm_client*)private_client;
 321 create_failed:
 322         tdm_client_destroy((tdm_client*)private_client);
 323         if (error)
 324                 *error = TDM_ERROR_OPERATION_FAILED;
 325         return NULL;
 326 }
 327
 328 void
 329 tdm_client_destroy(tdm_client *client)
 330 {
 331         tdm_private_client *private_client = (tdm_private_client*)client;
 332         tdm_private_client_output *o = NULL, *oo = NULL;
 333
 334         if (!private_client)
 335                 return;
 336
 337         if (private_client->temp_vblank)
 338                 tdm_client_vblank_destroy(private_client->temp_vblank);
 339
 340         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_client->output_list, link) {
 341                 _tdm_client_output_destroy(o);
 342         }
 343
 344         if (private_client->tdm)
 345                 wl_tdm_destroy(private_client->tdm);
 346         if (private_client->registry)
 347                 wl_registry_destroy(private_client->registry);
 348         if (private_client->display)
 349                 wl_display_disconnect(private_client->display);
 350
 351         free(private_client);
 352 }
 353
 354 tdm_error
 355 tdm_client_get_fd(tdm_client *client, int *fd)
 356 {
 357         tdm_private_client *private_client;
 358
 359         TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_ERROR_INVALID_PARAMETER);
 360         TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_ERROR_INVALID_PARAMETER);
 361
 362         private_client = (tdm_private_client*)client;
 363
 364         *fd = wl_display_get_fd(private_client->display);
 365         if (*fd < 0)
 366                 return TDM_ERROR_OPERATION_FAILED;
 367
 368         return TDM_ERROR_NONE;
 369 }
 370
 371 tdm_error
 372 tdm_client_handle_events(tdm_client *client)
 373 {
 374         tdm_private_client *private_client;
 375
 376         TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_ERROR_INVALID_PARAMETER);
 377
 378         private_client = (tdm_private_client*)client;
 379
 380         wl_display_dispatch(private_client->display);
 381
 382         return TDM_ERROR_NONE;
 383 }
 384
 385 typedef struct _tdm_client_vblank_temp {
 386         tdm_client_vblank_handler2 func;
 387         void *user_data;
 388 } tdm_client_vblank_temp;
 389
 390 static void
 391 _tdm_client_vblank_handler_temp(tdm_client_vblank *vblank, tdm_error error, unsigned int sequence,
 392                                                                 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 393 {
 394         tdm_client_vblank_temp *vblank_temp = user_data;
 395
 396         TDM_RETURN_IF_FAIL(vblank_temp != NULL);
 397
 398         if (vblank_temp->func)
 399                 vblank_temp->func(sequence, tv_sec, tv_usec, vblank_temp->user_data);
 400
 401         free(vblank_temp);
 402 }
 403
 404 tdm_error
 405 tdm_client_wait_vblank(tdm_client *client, char *name,
 406                                            int sw_timer, int interval, int sync,
 407                                            tdm_client_vblank_handler2 func, void *user_data)
 408 {
 409         tdm_private_client *private_client = (tdm_private_client*)client;
 410         tdm_client_output *output;
 411         tdm_client_vblank_temp *vblank_temp;
 412         tdm_error ret;
 413
 414         TDM_RETURN_VAL_IF_FAIL(private_client != NULL, TDM_ERROR_INVALID_PARAMETER);
 415         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 416         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 417
 418         if (!private_client->temp_vblank) {
 419                 output = tdm_client_get_output(client, name, &ret);
 420                 TDM_RETURN_VAL_IF_FAIL(output != NULL, ret);
 421
 422                 private_client->temp_vblank = tdm_client_output_create_vblank(output, &ret);
 423                 TDM_RETURN_VAL_IF_FAIL(private_client->temp_vblank != NULL, ret);
 424         }
 425
 426         tdm_client_vblank_set_enable_fake(private_client->temp_vblank, sw_timer);
 427         tdm_client_vblank_set_sync(private_client->temp_vblank, sync);
 428
 429         vblank_temp = calloc(1, sizeof *vblank_temp);
 430         TDM_RETURN_VAL_IF_FAIL(vblank_temp != NULL, TDM_ERROR_OUT_OF_MEMORY);
 431
 432         vblank_temp->func = func;
 433         vblank_temp->user_data = user_data;
 434
 435         return tdm_client_vblank_wait(private_client->temp_vblank, interval, _tdm_client_vblank_handler_temp, vblank_temp);
 436 }
 437
 438 tdm_client_output*
 439 tdm_client_get_output(tdm_client *client, char *name, tdm_error *error)
 440 {
 441         tdm_private_client *private_client;
 442         tdm_private_client_output *private_output = NULL;
 443
 444         if (error)
 445                 *error = TDM_ERROR_NONE;
 446
 447         if (!client) {
 448                 TDM_ERR("'!client' failed");
 449                 if (error)
 450                         *error = TDM_ERROR_INVALID_PARAMETER;
 451                 return NULL;
 452         }
 453
 454         private_client = (tdm_private_client*)client;
 455
 456         if (!name)
 457                 name = "primary";
 458
 459         LIST_FOR_EACH_ENTRY(private_output, &private_client->output_list, link) {
 460                 if (!strncmp(private_output->name, name, TDM_NAME_LEN))
 461                         return (tdm_client_output*)private_output;
 462         }
 463
 464         private_output = calloc(1, sizeof *private_output);
 465         if (!private_output) {
 466                 TDM_ERR("alloc failed");
 467                 if (error)
 468                         *error = TDM_ERROR_OUT_OF_MEMORY;
 469                 return NULL;
 470         }
 471
 472         private_output->private_client = private_client;
 473
 474         snprintf(private_output->name, TDM_NAME_LEN, "%s", name);
 475         private_output->output = wl_tdm_create_output(private_client->tdm, private_output->name);
 476         if (!private_output->output) {
 477                 TDM_ERR("couldn't create output resource");
 478                 free(private_output);
 479                 if (error)
 480                         *error = TDM_ERROR_OUT_OF_MEMORY;
 481                 return NULL;
 482         }
 483
 484         LIST_INITHEAD(&private_output->vblank_list);
 485         LIST_INITHEAD(&private_output->change_handler_list);
 486         LIST_ADDTAIL(&private_output->link, &private_client->output_list);
 487
 488         wl_tdm_output_add_listener(private_output->output,
 489                                                            &tdm_client_output_listener, private_output);
 490         wl_display_roundtrip(private_client->display);
 491
 492         return (tdm_client_output*)private_output;
 493 }
 494
 495 tdm_error
 496 tdm_client_output_add_change_handler(tdm_client_output *output,
 497                                                                          tdm_client_output_change_handler func,
 498                                                                          void *user_data)
 499 {
 500         tdm_private_client_output *private_output;
 501         tdm_client_output_handler_info *h;
 502
 503         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 504         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 505
 506         private_output = (tdm_private_client_output*)output;
 507
 508         h = calloc(1, sizeof *h);
 509         TDM_RETURN_VAL_IF_FAIL(h != NULL, TDM_ERROR_OUT_OF_MEMORY);
 510
 511         if (LIST_IS_EMPTY(&private_output->change_handler_list))
 512                 wl_tdm_output_watch_output_changes(private_output->output, 1);
 513
 514         h->private_output = private_output;
 515         h->func = func;
 516         h->user_data = user_data;
 517         LIST_ADDTAIL(&h->link, &private_output->change_handler_list);
 518
 519         return TDM_ERROR_NOT_IMPLEMENTED;
 520 }
 521
 522 void
 523 tdm_client_output_remove_change_handler(tdm_client_output *output,
 524                                                                                 tdm_client_output_change_handler func,
 525                                                                                 void *user_data)
 526 {
 527         tdm_private_client_output *private_output;
 528         tdm_client_output_handler_info *h = NULL;
 529
 530         TDM_RETURN_IF_FAIL(output != NULL);
 531         TDM_RETURN_IF_FAIL(func != NULL);
 532
 533         private_output = (tdm_private_client_output*)output;
 534
 535         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 536                 if (h->func != func || h->user_data != user_data)
 537                         continue;
 538
 539                 LIST_DEL(&h->link);
 540                 free(h);
 541
 542                 if (LIST_IS_EMPTY(&private_output->change_handler_list))
 543                         wl_tdm_output_watch_output_changes(private_output->output, 0);
 544
 545                 return;
 546         }
 547 }
 548
 549 tdm_error
 550 tdm_client_output_get_refresh_rate(tdm_client_output *output, unsigned int *refresh)
 551 {
 552         tdm_private_client_output *private_output;
 553
 554         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 555         TDM_RETURN_VAL_IF_FAIL(refresh != NULL, TDM_ERROR_INVALID_PARAMETER);
 556
 557         private_output = (tdm_private_client_output*)output;
 558
 559         *refresh = private_output->refresh;
 560
 561         return TDM_ERROR_NONE;
 562 }
 563
 564 tdm_error
 565 tdm_client_output_get_conn_status(tdm_client_output *output, tdm_output_conn_status *status)
 566 {
 567         tdm_private_client_output *private_output;
 568
 569         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 570         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 571
 572         private_output = (tdm_private_client_output*)output;
 573
 574         *status = private_output->connection;
 575
 576         return TDM_ERROR_NONE;
 577 }
 578
 579 tdm_error
 580 tdm_client_output_get_dpms(tdm_client_output *output, tdm_output_dpms *dpms)
 581 {
 582         tdm_private_client_output *private_output;
 583
 584         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 585         TDM_RETURN_VAL_IF_FAIL(dpms != NULL, TDM_ERROR_INVALID_PARAMETER);
 586
 587         private_output = (tdm_private_client_output*)output;
 588
 589         *dpms = private_output->dpms;
 590
 591         return TDM_ERROR_NONE;
 592 }
 593
 594 tdm_client_vblank*
 595 tdm_client_output_create_vblank(tdm_client_output *output, tdm_error *error)
 596 {
 597         tdm_private_client_output *private_output;
 598         tdm_private_client_vblank *private_vblank;
 599
 600         if (error)
 601                 *error = TDM_ERROR_NONE;
 602
 603         if (!output) {
 604                 TDM_ERR("'!output' failed");
 605                 if (error)
 606                         *error = TDM_ERROR_INVALID_PARAMETER;
 607                 return NULL;
 608         }
 609
 610         private_output = (tdm_private_client_output*)output;
 611
 612         private_vblank = calloc(1, sizeof *private_vblank);
 613         if (!private_vblank) {
 614                 TDM_ERR("alloc failed");
 615                 if (error)
 616                         *error = TDM_ERROR_OUT_OF_MEMORY;
 617                 return NULL;
 618         }
 619
 620         private_vblank->private_output = private_output;
 621
 622         private_vblank->vblank = wl_tdm_output_create_vblank(private_output->output);
 623         if (!private_vblank->vblank) {
 624                 TDM_ERR("couldn't create vblank resource");
 625                 free(private_vblank);
 626                 if (error)
 627                         *error = TDM_ERROR_OUT_OF_MEMORY;
 628                 return NULL;
 629         }
 630
 631         /* initial value */
 632         private_vblank->fps = private_output->refresh;
 633         private_vblank->offset = 0;
 634         private_vblank->enable_fake = 0;
 635
 636         LIST_INITHEAD(&private_vblank->wait_list);
 637         LIST_ADDTAIL(&private_vblank->link, &private_output->vblank_list);
 638
 639         wl_tdm_vblank_add_listener(private_vblank->vblank,
 640                                                            &tdm_client_vblank_listener, private_vblank);
 641
 642         return (tdm_client_vblank*)private_vblank;
 643 }
 644
 645 void
 646 tdm_client_vblank_destroy(tdm_client_vblank *vblank)
 647 {
 648         tdm_private_client_vblank *private_vblank;
 649         tdm_client_wait_info *w = NULL, *ww = NULL;
 650
 651         TDM_RETURN_IF_FAIL(vblank != NULL);
 652
 653         private_vblank = vblank;
 654         LIST_DEL(&private_vblank->link);
 655
 656         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_vblank->wait_list, link) {
 657                 LIST_DEL(&w->link);
 658                 free(w);
 659         }
 660
 661         wl_tdm_vblank_destroy(private_vblank->vblank);
 662
 663         free(private_vblank);
 664 }
 665
 666 tdm_error
 667 tdm_client_vblank_set_name(tdm_client_vblank *vblank, const char *name)
 668 {
 669         tdm_private_client_vblank *private_vblank;
 670
 671         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 672
 673         private_vblank = vblank;
 674
 675         if (!name)
 676                 name = TDM_VBLANK_DEFAULT_NAME;
 677
 678         strncpy(private_vblank->name, name, TDM_NAME_LEN - 1);
 679         private_vblank->name[TDM_NAME_LEN - 1] = '\0';
 680
 681         wl_tdm_vblank_set_name(private_vblank->vblank, private_vblank->name);
 682
 683         return TDM_ERROR_NONE;
 684 }
 685
 686 tdm_error
 687 tdm_client_vblank_set_sync(tdm_client_vblank *vblank, unsigned int sync)
 688 {
 689         tdm_private_client_vblank *private_vblank;
 690
 691         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 692
 693         private_vblank = vblank;
 694         private_vblank->sync = sync;
 695
 696         return TDM_ERROR_NONE;
 697 }
 698
 699 tdm_error
 700 tdm_client_vblank_set_fps(tdm_client_vblank *vblank, unsigned int fps)
 701 {
 702         tdm_private_client_vblank *private_vblank;
 703
 704         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 705         TDM_RETURN_VAL_IF_FAIL(fps > 0, TDM_ERROR_INVALID_PARAMETER);
 706
 707         private_vblank = vblank;
 708
 709         if (private_vblank->fps == fps)
 710                 return TDM_ERROR_NONE;
 711         private_vblank->fps = fps;
 712
 713         wl_tdm_vblank_set_fps(private_vblank->vblank, fps);
 714
 715         return TDM_ERROR_NONE;
 716 }
 717
 718 tdm_error
 719 tdm_client_vblank_set_offset(tdm_client_vblank *vblank, int offset_ms)
 720 {
 721         tdm_private_client_vblank *private_vblank;
 722
 723         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 724
 725         private_vblank = vblank;
 726         TDM_RETURN_VAL_IF_FAIL(private_vblank->started == 0, TDM_ERROR_BAD_REQUEST);
 727
 728         if (private_vblank->offset == offset_ms)
 729                 return TDM_ERROR_NONE;
 730         private_vblank->offset = offset_ms;
 731
 732         wl_tdm_vblank_set_offset(private_vblank->vblank, offset_ms);
 733
 734         return TDM_ERROR_NONE;
 735 }
 736
 737 tdm_error
 738 tdm_client_vblank_set_enable_fake(tdm_client_vblank *vblank, unsigned int enable_fake)
 739 {
 740         tdm_private_client_vblank *private_vblank;
 741
 742         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 743
 744         private_vblank = vblank;
 745
 746         if (private_vblank->enable_fake == enable_fake)
 747                 return TDM_ERROR_NONE;
 748         private_vblank->enable_fake = enable_fake;
 749
 750         wl_tdm_vblank_set_enable_fake(private_vblank->vblank, enable_fake);
 751
 752         return TDM_ERROR_NONE;
 753 }
 754
 755 tdm_error
 756 tdm_client_vblank_wait(tdm_client_vblank *vblank, unsigned int interval, tdm_client_vblank_handler func, void *user_data)
 757 {
 758         tdm_private_client *private_client;
 759         tdm_private_client_output *private_output;
 760         tdm_private_client_vblank *private_vblank;
 761         tdm_client_wait_info *w;
 762         struct timespec tp;
 763         unsigned int req_sec, req_usec;
 764         int ret = 0;
 765
 766         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 767         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 768         /* can't support "interval 0" and "getting current_msc" things because
 769          * there is a socket communication between TDM client and server. It's impossible
 770          * to return the current msc or sequence immediately.
 771          */
 772         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 773
 774         private_vblank = vblank;
 775         private_output = private_vblank->private_output;
 776         private_client = private_output->private_client;
 777
 778         if (!private_vblank->started)
 779                 private_vblank->started = 1;
 780
 781         if (private_output->dpms != TDM_OUTPUT_DPMS_ON && !private_vblank->enable_fake) {
 782                 TDM_INFO("dpms off");
 783                 return TDM_ERROR_DPMS_OFF;
 784         }
 785
 786         w = calloc(1, sizeof *w);
 787         if (!w) {
 788                 TDM_ERR("alloc failed");
 789                 return TDM_ERROR_OUT_OF_MEMORY;
 790         }
 791
 792         w->private_vblank = private_vblank;
 793         w->func = func;
 794         w->user_data = user_data;
 795
 796         LIST_ADDTAIL(&w->link, &private_vblank->wait_list);
 797
 798         clock_gettime(CLOCK_MONOTONIC, &tp);
 799         req_sec = (unsigned int)tp.tv_sec;
 800         req_usec = (unsigned int)(tp.tv_nsec / 1000);
 801
 802         w->req_id = ++private_output->req_id;
 803         w->req_time = TDM_TIME(req_sec, req_usec);
 804         w->need_free = (private_vblank->sync) ? 0 : 1;
 805
 806         wl_tdm_vblank_wait_vblank(private_vblank->vblank, interval, w->req_id, req_sec, req_usec);
 807
 808         TDM_TRACE_COUNT(ClientWaitVBlank, w->req_id);
 809
 810         TDM_DBG("vblank(%p) interval(%u) req_id(%d) req(%.6f)",
 811                         vblank, interval, w->req_id, TDM_TIME(req_sec, req_usec));
 812
 813         if (private_vblank->last_time >= w->req_time)
 814                 TDM_ERR("'last(%.6f) < req(%.6f)' failed", private_vblank->last_time, w->req_time);
 815
 816         if (!private_vblank->sync) {
 817                 wl_display_flush(private_client->display);
 818                 return TDM_ERROR_NONE;
 819         }
 820
 821         while (ret != -1 && !w->need_free)
 822                 ret = wl_display_dispatch(private_client->display);
 823
 824         clock_gettime(CLOCK_MONOTONIC, &tp);
 825         TDM_DBG("block during %d us",
 826                         ((unsigned int)(tp.tv_sec * 1000000) + (unsigned int)(tp.tv_nsec / 1000))
 827                         - (req_sec * 1000000 + req_usec));
 828
 829         LIST_DEL(&w->link);
 830         free(w);
 831
 832         return TDM_ERROR_NONE;
 833 }
 834
 835 tdm_error
 836 tdm_client_vblank_wait_seq(tdm_client_vblank *vblank, unsigned int sequence,
 837                                                    tdm_client_vblank_handler func, void *user_data)
 838 {
 839         tdm_private_client *private_client;
 840         tdm_private_client_output *private_output;
 841         tdm_private_client_vblank *private_vblank;
 842         tdm_client_wait_info *w;
 843         struct timespec tp;
 844         unsigned int req_sec, req_usec;
 845         int ret = 0;
 846
 847         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 848         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 849
 850         private_vblank = vblank;
 851         private_output = private_vblank->private_output;
 852         private_client = private_output->private_client;
 853
 854         if (!private_vblank->started)
 855                 private_vblank->started = 1;
 856
 857         if (private_output->dpms != TDM_OUTPUT_DPMS_ON && !private_vblank->enable_fake) {
 858                 TDM_INFO("dpms off");
 859                 return TDM_ERROR_DPMS_OFF;
 860         }
 861
 862         w = calloc(1, sizeof *w);
 863         if (!w) {
 864                 TDM_ERR("alloc failed");
 865                 return TDM_ERROR_OUT_OF_MEMORY;
 866         }
 867
 868         w->private_vblank = private_vblank;
 869         w->func = func;
 870         w->user_data = user_data;
 871
 872         LIST_ADDTAIL(&w->link, &private_vblank->wait_list);
 873
 874         clock_gettime(CLOCK_MONOTONIC, &tp);
 875         req_sec = (unsigned int)tp.tv_sec;
 876         req_usec = (unsigned int)(tp.tv_nsec / 1000);
 877
 878         w->req_id = ++private_output->req_id;
 879         w->req_time = TDM_TIME(req_sec, req_usec);
 880         w->need_free = (private_vblank->sync) ? 0 : 1;
 881
 882         wl_tdm_vblank_wait_vblank_seq(private_vblank->vblank, sequence, w->req_id, req_sec, req_usec);
 883
 884         TDM_TRACE_COUNT(ClientWaitVBlank, w->req_id);
 885
 886         TDM_DBG("vblank(%p) sequence(%u) req_id(%d) req(%.6f)",
 887                         vblank, sequence, w->req_id, TDM_TIME(req_sec, req_usec));
 888
 889         if (private_vblank->last_time >= w->req_time)
 890                 TDM_ERR("'last(%.6f) < req(%.6f)' failed", private_vblank->last_time, w->req_time);
 891
 892         if (!private_vblank->sync) {
 893                 wl_display_flush(private_client->display);
 894                 return TDM_ERROR_NONE;
 895         }
 896
 897         while (ret != -1 && !w->need_free)
 898                 ret = wl_display_dispatch(private_client->display);
 899
 900         clock_gettime(CLOCK_MONOTONIC, &tp);
 901         TDM_DBG("block during %d us",
 902                         ((unsigned int)(tp.tv_sec * 1000000) + (unsigned int)(tp.tv_nsec / 1000))
 903                         - (req_sec * 1000000 + req_usec));
 904
 905         LIST_DEL(&w->link);
 906         free(w);
 907
 908         return TDM_ERROR_NONE;
 909 }