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 #include <poll.h>
  46
  47 #include <tdm-client-protocol.h>
  48
  49 #include "tdm_client.h"
  50 #include "tdm_log.h"
  51 #include "tdm_macro.h"
  52 #include "tdm_list.h"
  53 #include "tdm.h"
  54 #include "tdm_private.h"
  55
  56 typedef struct _tdm_private_client_vblank tdm_private_client_vblank;
  57
  58 typedef struct _tdm_private_client {
  59         pthread_mutex_t lock;
  60
  61         struct wl_display *display;
  62         struct wl_event_queue *queue;
  63         struct wl_registry *registry;
  64         struct wl_tdm *tdm;
  65         struct list_head output_list;
  66
  67         unsigned int enable_ttrace;
  68         unsigned int stamp;
  69
  70         tdm_private_client_vblank *temp_vblank;
  71 } tdm_private_client;
  72
  73 typedef struct _tdm_private_client_output {
  74         tdm_private_client *private_client;
  75
  76         char name[TDM_NAME_LEN];
  77         struct wl_tdm_output *output;
  78         int width;
  79         int height;
  80         int refresh;
  81         tdm_output_conn_status connection;
  82         tdm_output_dpms dpms;
  83         struct list_head vblank_list;
  84         struct list_head change_handler_list;
  85
  86         unsigned int req_id;
  87         unsigned int watch_output_changes;
  88
  89         struct list_head link;
  90 } tdm_private_client_output;
  91
  92 struct _tdm_private_client_vblank {
  93         tdm_private_client_output *private_output;
  94
  95         struct wl_tdm_vblank *vblank;
  96         struct list_head wait_list;
  97
  98         char name[TDM_NAME_LEN];
  99         unsigned int sync;
 100         unsigned int fps;
 101         int offset;
 102         unsigned int enable_fake;
 103         unsigned int enable_ttrace;
 104
 105         unsigned int started;
 106         unsigned int stamp;
 107
 108         double req_time;
 109         double last_time;
 110
 111         struct list_head link;
 112 };
 113
 114 typedef struct _tdm_client_output_handler_info {
 115         tdm_private_client_output *private_output;
 116
 117         tdm_client_output_change_handler func;
 118         void *user_data;
 119
 120         struct list_head link;
 121         struct list_head call_link;
 122 } tdm_client_output_handler_info;
 123
 124 typedef struct _tdm_client_wait_info {
 125         tdm_private_client_vblank *private_vblank;
 126
 127         tdm_client_vblank_handler func;
 128         void *user_data;
 129
 130         unsigned int req_id;
 131         double req_time;
 132         int need_free;
 133
 134         struct list_head link;
 135         struct list_head call_link;
 136 } tdm_client_wait_info;
 137
 138 static unsigned int
 139 _tdm_client_check_wl_error(tdm_private_client *private_client, const char *func, int line)
 140 {
 141         uint32_t ec, id;
 142         const struct wl_interface *intf;
 143         int err;
 144
 145         err = wl_display_get_error(private_client->display);
 146         if (!err)
 147                 return false;
 148
 149         if (err == EINVAL || err == ENOMEM || err == EFAULT || err == EPROTO) {
 150                 ec = wl_display_get_protocol_error(private_client->display, &intf, &id);
 151                 TDM_ERR("[%s,%d] errno(%d) Got protocol error '%u' on interface '%s' (object '%u')",
 152                                 func, line, err, ec, (intf) ? intf->name : "destroyed", id);
 153         } else {
 154                 TDM_ERR("[%s,%d] errno(%d)", func, line, err);
 155         }
 156
 157         return true;
 158 }
 159
 160 #define CHECK_WL_PROTOCOL_ERROR(pc)  _tdm_client_check_wl_error(pc, __FUNCTION__, __LINE__)
 161
 162 static void
 163 _tdm_client_vblank_cb_stamp(void *data, struct wl_tdm_vblank *wl_tdm_vblank, uint32_t stamp)
 164 {
 165         tdm_private_client_vblank *private_vblank = data;
 166         tdm_private_client *private_client;
 167
 168         TDM_RETURN_IF_FAIL(private_vblank != NULL);
 169
 170         private_vblank->stamp = stamp;
 171
 172         TDM_RETURN_IF_FAIL(private_vblank->private_output != NULL);
 173         private_client = private_vblank->private_output->private_client;
 174
 175         private_client->stamp = stamp;
 176 }
 177
 178 /* LCOV_EXCL_START */
 179 static void
 180 _tdm_client_vblank_cb_done(void *data, struct wl_tdm_vblank *wl_tdm_vblank,
 181                                                    uint32_t req_id, uint32_t sequence, uint32_t tv_sec,
 182                                                    uint32_t tv_usec, uint32_t error)
 183 {
 184         tdm_private_client_vblank *private_vblank = data;
 185         tdm_private_client *private_client;
 186         tdm_client_wait_info *w = NULL, *wait_info = NULL;
 187
 188         TDM_RETURN_IF_FAIL(private_vblank != NULL);
 189
 190         private_client = private_vblank->private_output->private_client;
 191
 192         private_vblank->last_time = TDM_TIME(tv_sec, tv_usec);
 193
 194         TDM_DBG("vblank(%p) req_id(%u) sequence(%u) time(%.6f)",
 195                         private_vblank, req_id, sequence, TDM_TIME(tv_sec, tv_usec));
 196
 197         LIST_FOR_EACH_ENTRY(w, &private_vblank->wait_list, link) {
 198                 if (w->req_id != req_id)
 199                         continue;
 200
 201                 wait_info = w;
 202                 break;
 203         }
 204
 205         if (!wait_info) {
 206                 TDM_ERR("no wait infomation for req_id(%d)", req_id);
 207                 return;
 208         }
 209
 210         if (private_vblank->enable_ttrace)
 211                 TDM_TRACE_ASYNC_END((int)wait_info->req_time, "TDM_Client_Vblank:%u", private_vblank->stamp);
 212
 213         if (wait_info->req_time >= private_vblank->last_time)
 214                 TDM_WRN("'req(%.6f) < last(%.6f)' failed. error(%d)", wait_info->req_time, private_vblank->last_time, error);
 215
 216         if (wait_info->need_free)
 217                 LIST_DEL(&wait_info->link);
 218
 219         if (wait_info->func) {
 220                 pthread_mutex_unlock(&private_client->lock);
 221                 wait_info->func(private_vblank, error, sequence, tv_sec, tv_usec, wait_info->user_data);
 222                 pthread_mutex_lock(&private_client->lock);
 223         }
 224
 225         if (wait_info->need_free)
 226                 free(w);
 227         else
 228                 wait_info->need_free = 1;
 229 }
 230 /* LCOV_EXCL_STOP */
 231
 232 /* LCOV_EXCL_START */
 233 static void
 234 _tdm_client_vblank_cb_ttrace(void *data, struct wl_tdm_vblank *wl_tdm_vblank, uint32_t enable)
 235 {
 236         tdm_private_client_vblank *private_vblank = data;
 237         tdm_private_client *private_client;
 238
 239         TDM_RETURN_IF_FAIL(private_vblank != NULL);
 240
 241         private_vblank->enable_ttrace = enable;
 242
 243         TDM_RETURN_IF_FAIL(private_vblank->private_output != NULL);
 244         private_client = private_vblank->private_output->private_client;
 245
 246         private_client->enable_ttrace = enable;
 247 }
 248 /* LCOV_EXCL_STOP */
 249
 250 static const struct wl_tdm_vblank_listener tdm_client_vblank_listener = {
 251         _tdm_client_vblank_cb_stamp,
 252         _tdm_client_vblank_cb_done,
 253         _tdm_client_vblank_cb_ttrace,
 254 };
 255
 256 static void
 257 _tdm_client_output_destroy(tdm_private_client_output *private_output)
 258 {
 259         tdm_private_client_vblank *v = NULL, *vv = NULL;
 260         tdm_client_output_handler_info *h = NULL, *hh = NULL;
 261
 262         LIST_DEL(&private_output->link);
 263
 264         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_list, link) {
 265                 TDM_ERR("vblanks SHOULD be destroyed first!");
 266                 LIST_DEL(&v->link);
 267                 v->private_output = NULL;
 268         }
 269
 270         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list, link) {
 271                 LIST_DEL(&h->link);
 272                 free(h);
 273         }
 274
 275         wl_tdm_output_destroy(private_output->output);
 276
 277         free(private_output);
 278 }
 279
 280 static void
 281 _tdm_client_output_cb_mode(void *data, struct wl_tdm_output *wl_tdm_output,
 282                                                    uint32_t width, uint32_t height, uint32_t refresh, uint32_t error)
 283 {
 284         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 285
 286         TDM_RETURN_IF_FAIL(private_output != NULL);
 287
 288         private_output->width = width;
 289         private_output->height = height;
 290         private_output->refresh = refresh;
 291
 292         if (error != TDM_ERROR_NONE)
 293                 TDM_INFO("mode event error: %d", error);
 294
 295         TDM_DBG("private_output(%p) wl_tbm_output@%d width(%d) height(%d) refresh(%d)",
 296                         private_output, wl_proxy_get_id((struct wl_proxy*)private_output->output),
 297                         width, height, refresh);
 298 }
 299
 300 static void
 301 _tdm_client_output_cb_connection(void *data, struct wl_tdm_output *wl_tdm_output, uint32_t value, uint32_t error)
 302 {
 303         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 304         tdm_private_client *private_client;
 305         tdm_client_output_handler_info *h = NULL, *hh = NULL;
 306         tdm_value v;
 307         struct list_head call_list;
 308
 309         TDM_RETURN_IF_FAIL(private_output != NULL);
 310
 311         private_client = private_output->private_client;
 312
 313         if (private_output->connection == value)
 314                 return;
 315
 316         private_output->connection = value;
 317
 318         if (error != TDM_ERROR_NONE)
 319                 TDM_INFO("connection event error: %d", error);
 320
 321         TDM_DBG("private_output(%p) wl_tbm_output@%d connection(%d)",
 322                         private_output,
 323                         wl_proxy_get_id((struct wl_proxy*)private_output->output),
 324                         value);
 325
 326         LIST_INITHEAD(&call_list);
 327
 328         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 329                 LIST_ADDTAIL(&h->call_link, &call_list);
 330         }
 331
 332         v.u32 = value;
 333         pthread_mutex_unlock(&private_client->lock);
 334         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &call_list, call_link) {
 335                 if (h->func)
 336                         h->func(private_output, TDM_OUTPUT_CHANGE_CONNECTION, v, h->user_data);
 337         }
 338         pthread_mutex_lock(&private_client->lock);
 339 }
 340
 341 static void
 342 _tdm_client_output_cb_dpms(void *data, struct wl_tdm_output *wl_tdm_output, uint32_t value, uint32_t error)
 343 {
 344         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 345         tdm_private_client *private_client;
 346         tdm_client_output_handler_info *h = NULL, *hh = NULL;
 347         tdm_value v;
 348         struct list_head call_list;
 349
 350         TDM_RETURN_IF_FAIL(private_output != NULL);
 351
 352         private_client = private_output->private_client;
 353
 354         /* If value is extended value, we handle it as DPMS on in client side
 355          * The extended DPMS value is valid only in server side.
 356          * Or, need to export to client side also?
 357          */
 358         if (value > TDM_OUTPUT_DPMS_OFF)
 359                 value = TDM_OUTPUT_DPMS_ON;
 360
 361         if (private_output->dpms == value)
 362                 return;
 363
 364         private_output->dpms = value;
 365
 366         if (error != TDM_ERROR_NONE)
 367                 TDM_INFO("dpms event error: %d", error);
 368
 369         TDM_DBG("private_output(%p) wl_tbm_output@%d dpms(%d)",
 370                         private_output,
 371                         wl_proxy_get_id((struct wl_proxy*)private_output->output),
 372                         value);
 373
 374         LIST_INITHEAD(&call_list);
 375
 376         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 377                 LIST_ADDTAIL(&h->call_link, &call_list);
 378         }
 379
 380         v.u32 = value;
 381         pthread_mutex_unlock(&private_client->lock);
 382         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &call_list, call_link) {
 383                 if (h->func)
 384                         h->func(private_output, TDM_OUTPUT_CHANGE_DPMS, v, h->user_data);
 385         }
 386         pthread_mutex_lock(&private_client->lock);
 387 }
 388
 389 static const struct wl_tdm_output_listener tdm_client_output_listener = {
 390         _tdm_client_output_cb_mode,
 391         _tdm_client_output_cb_connection,
 392         _tdm_client_output_cb_dpms,
 393 };
 394
 395 static void
 396 _tdm_client_cb_global(void *data, struct wl_registry *registry,
 397                                           uint32_t name, const char *interface,
 398                                           uint32_t version)
 399 {
 400         tdm_private_client *private_client = data;
 401
 402         if (strncmp(interface, "wl_tdm", 6) == 0) {
 403                 private_client->tdm =
 404                         wl_registry_bind(registry, name, &wl_tdm_interface, version);
 405                 TDM_RETURN_IF_FAIL(private_client->tdm != NULL);
 406
 407                 wl_display_flush(private_client->display);
 408         }
 409 }
 410
 411 /* LCOV_EXCL_START */
 412 static void
 413 _tdm_client_cb_global_remove(void *data, struct wl_registry *registry, uint32_t name)
 414 {
 415 }
 416 /* LCOV_EXCL_STOP */
 417
 418 static const struct wl_registry_listener tdm_client_registry_listener = {
 419         _tdm_client_cb_global,
 420         _tdm_client_cb_global_remove
 421 };
 422
 423 tdm_client*
 424 tdm_client_create(tdm_error *error)
 425 {
 426         tdm_private_client *private_client;
 427
 428         private_client = calloc(1, sizeof *private_client);
 429         if (!private_client) {
 430                 /* LCOV_EXCL_START */
 431
 432                 TDM_ERR("alloc failed");
 433                 if (error)
 434                         *error = TDM_ERROR_OUT_OF_MEMORY;
 435                 return NULL;
 436
 437                 /* LCOV_EXCL_STOP */
 438         }
 439
 440         if (pthread_mutex_init(&private_client->lock, NULL)) {
 441                 TDM_ERR("mutex init failed: %m");
 442                 free(private_client);
 443                 if (error)
 444                         *error = TDM_ERROR_OUT_OF_MEMORY;
 445                 return NULL;
 446         }
 447
 448         LIST_INITHEAD(&private_client->output_list);
 449
 450         private_client->display = wl_display_connect("tdm-socket");
 451         TDM_GOTO_IF_FAIL(private_client->display != NULL, create_failed);
 452
 453         private_client->queue = wl_display_create_queue(private_client->display);
 454         TDM_GOTO_IF_FAIL(private_client->queue != NULL, create_failed);
 455
 456         private_client->registry = wl_display_get_registry(private_client->display);
 457         TDM_GOTO_IF_FAIL(private_client->registry != NULL, create_failed);
 458
 459         wl_registry_add_listener(private_client->registry,
 460                                                          &tdm_client_registry_listener, private_client);
 461         wl_display_roundtrip(private_client->display);
 462
 463         if (CHECK_WL_PROTOCOL_ERROR(private_client))
 464                 goto create_failed;
 465
 466         /* check global objects */
 467         TDM_GOTO_IF_FAIL(private_client->tdm != NULL, create_failed);
 468
 469         if (error)
 470                 *error = TDM_ERROR_NONE;
 471
 472         return (tdm_client*)private_client;
 473 create_failed:
 474         tdm_client_destroy((tdm_client*)private_client);
 475         if (error)
 476                 *error = TDM_ERROR_OPERATION_FAILED;
 477         return NULL;
 478 }
 479
 480 void
 481 tdm_client_destroy(tdm_client *client)
 482 {
 483         tdm_private_client *private_client = (tdm_private_client*)client;
 484         tdm_private_client_output *o = NULL, *oo = NULL;
 485
 486         if (!private_client)
 487                 return;
 488
 489         pthread_mutex_lock(&private_client->lock);
 490
 491         if (private_client->temp_vblank) {
 492                 pthread_mutex_unlock(&private_client->lock);
 493                 tdm_client_vblank_destroy(private_client->temp_vblank);
 494                 pthread_mutex_lock(&private_client->lock);
 495         }
 496
 497         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_client->output_list, link) {
 498                 _tdm_client_output_destroy(o);
 499         }
 500
 501         if (private_client->tdm)
 502                 wl_tdm_destroy(private_client->tdm);
 503         if (private_client->registry)
 504                 wl_registry_destroy(private_client->registry);
 505         if (private_client->queue)
 506                 wl_event_queue_destroy(private_client->queue);
 507         if (private_client->display)
 508                 wl_display_disconnect(private_client->display);
 509
 510         pthread_mutex_unlock(&private_client->lock);
 511         pthread_mutex_destroy(&private_client->lock);
 512
 513         free(private_client);
 514 }
 515
 516 tdm_error
 517 tdm_client_get_fd(tdm_client *client, int *fd)
 518 {
 519         tdm_private_client *private_client;
 520
 521         TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_ERROR_INVALID_PARAMETER);
 522         TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_ERROR_INVALID_PARAMETER);
 523
 524         private_client = (tdm_private_client*)client;
 525
 526         pthread_mutex_lock(&private_client->lock);
 527
 528         *fd = wl_display_get_fd(private_client->display);
 529
 530         pthread_mutex_unlock(&private_client->lock);
 531
 532         if (*fd < 0)
 533                 return TDM_ERROR_OPERATION_FAILED;
 534
 535         return TDM_ERROR_NONE;
 536 }
 537
 538 tdm_error
 539 tdm_client_handle_events(tdm_client *client)
 540 {
 541         tdm_private_client *private_client;
 542
 543         TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_ERROR_INVALID_PARAMETER);
 544
 545         /* LCOV_EXCL_START */
 546         private_client = (tdm_private_client*)client;
 547
 548         pthread_mutex_lock(&private_client->lock);
 549
 550         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 551                 pthread_mutex_unlock(&private_client->lock);
 552                 return TDM_ERROR_PROTOCOL_ERROR;
 553         }
 554
 555         if (private_client->enable_ttrace)
 556                 TDM_TRACE_ASYNC_BEGIN((int)private_client->stamp, "TDM_Client_Events:%u", (unsigned int)private_client->stamp);
 557
 558         wl_display_dispatch(private_client->display);
 559
 560         if (private_client->enable_ttrace)
 561                 TDM_TRACE_ASYNC_END((int)private_client->stamp, "TDM_Client_Events:%u", (unsigned int)private_client->stamp);
 562
 563         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 564                 pthread_mutex_unlock(&private_client->lock);
 565                 return TDM_ERROR_PROTOCOL_ERROR;
 566         }
 567
 568         pthread_mutex_unlock(&private_client->lock);
 569
 570         return TDM_ERROR_NONE;
 571         /* LCOV_EXCL_STOP */
 572 }
 573
 574 static int
 575 _tdm_client_poll(struct wl_display *display, short int events, int timeout)
 576 {
 577         int ret;
 578         struct pollfd pfd[1];
 579
 580         pfd[0].fd = wl_display_get_fd(display);
 581         pfd[0].events = events;
 582         do {
 583                 ret = poll(pfd, 1, timeout);
 584         } while (ret == -1 && errno == EINTR);
 585
 586         return ret;
 587 }
 588
 589 static tdm_error
 590 _tdm_client_dispatch_timeout(tdm_private_client *private_client, int timeout)
 591 {
 592         int ret;
 593         struct wl_display *display = private_client->display;
 594
 595         if (wl_display_prepare_read(display) == -1)
 596                 return wl_display_dispatch_pending(display);
 597
 598         while (true) {
 599                 ret = wl_display_flush(display);
 600
 601                 if (ret != -1 || errno != EAGAIN)
 602                         break;
 603
 604                 if (_tdm_client_poll(display, POLLOUT, -1) == -1) {
 605                         wl_display_cancel_read(display);
 606                         TDM_ERR("_tdm_client_poll failed");
 607                         return TDM_ERROR_OPERATION_FAILED;
 608                 }
 609         }
 610
 611         /* Don't stop if flushing hits an EPIPE; continue so we can read any
 612          * protocol error that may have triggered it. */
 613         if (ret < 0 && errno != EPIPE) {
 614                 TDM_ERR("ret(%d) errno(%d)", ret, errno);
 615                 wl_display_cancel_read(display);
 616                 return TDM_ERROR_OPERATION_FAILED;
 617         }
 618
 619         ret = _tdm_client_poll(display, POLLIN, timeout);
 620         if (ret <= 0) {
 621                 wl_display_cancel_read(display);
 622                 if (ret == 0) {
 623                         TDM_ERR("_tdm_client_poll timeout.");
 624                         return TDM_ERROR_TIMEOUT;
 625                 } else {
 626                         TDM_ERR("_tdm_client_poll failed. (ret:%d)", ret);
 627                         return TDM_ERROR_OPERATION_FAILED;
 628                 }
 629         }
 630
 631         if (wl_display_read_events(display) == -1) {
 632                 TDM_ERR("wl_display_read_events failed");
 633                 return TDM_ERROR_OPERATION_FAILED;
 634         }
 635
 636         ret = wl_display_dispatch_pending(display);
 637
 638         if (ret < 0) {
 639                 TDM_ERR("_tdm_client_dispatch_timeout failed");
 640                 return TDM_ERROR_OPERATION_FAILED;
 641         }
 642
 643         return TDM_ERROR_NONE;
 644 }
 645
 646 tdm_error
 647 tdm_client_handle_events_timeout(tdm_client *client, int ms_timeout)
 648 {
 649         tdm_private_client *private_client;
 650
 651         TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_ERROR_INVALID_PARAMETER);
 652
 653         private_client = (tdm_private_client*)client;
 654
 655         return _tdm_client_dispatch_timeout(private_client, ms_timeout);
 656 }
 657
 658 typedef struct _tdm_client_vblank_temp {
 659         tdm_client_vblank_handler2 func;
 660         void *user_data;
 661 } tdm_client_vblank_temp;
 662
 663 /* LCOV_EXCL_START */
 664 static void
 665 _tdm_client_vblank_handler_temp(tdm_client_vblank *vblank, tdm_error error, unsigned int sequence,
 666                                                                 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 667 {
 668         tdm_client_vblank_temp *vblank_temp = user_data;
 669
 670         TDM_RETURN_IF_FAIL(vblank_temp != NULL);
 671         TDM_RETURN_IF_FAIL(vblank != NULL);
 672
 673         if (vblank_temp->func)
 674                 vblank_temp->func(sequence, tv_sec, tv_usec, vblank_temp->user_data);
 675
 676         free(vblank_temp);
 677 }
 678 /* LCOV_EXCL_STOP */
 679
 680 /* LCOV_EXCL_START */ /* deprecated */
 681 tdm_error
 682 tdm_client_wait_vblank(tdm_client *client, char *name,
 683                                            int sw_timer, int interval, int sync,
 684                                            tdm_client_vblank_handler2 func, void *user_data)
 685 {
 686         tdm_private_client *private_client = (tdm_private_client*)client;
 687         tdm_client_output *output;
 688         tdm_client_vblank_temp *vblank_temp;
 689         tdm_error ret;
 690
 691         TDM_RETURN_VAL_IF_FAIL(private_client != NULL, TDM_ERROR_INVALID_PARAMETER);
 692         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 693         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 694
 695         if (CHECK_WL_PROTOCOL_ERROR(private_client))
 696                 return TDM_ERROR_PROTOCOL_ERROR;
 697
 698         if (!private_client->temp_vblank) {
 699                 output = tdm_client_get_output(client, name, &ret);
 700                 TDM_RETURN_VAL_IF_FAIL(output != NULL, ret);
 701
 702                 private_client->temp_vblank = tdm_client_output_create_vblank(output, &ret);
 703                 TDM_RETURN_VAL_IF_FAIL(private_client->temp_vblank != NULL, ret);
 704         }
 705
 706         tdm_client_vblank_set_enable_fake(private_client->temp_vblank, sw_timer);
 707         tdm_client_vblank_set_sync(private_client->temp_vblank, sync);
 708
 709         vblank_temp = calloc(1, sizeof *vblank_temp);
 710         TDM_RETURN_VAL_IF_FAIL(vblank_temp != NULL, TDM_ERROR_OUT_OF_MEMORY);
 711
 712         vblank_temp->func = func;
 713         vblank_temp->user_data = user_data;
 714
 715         return tdm_client_vblank_wait(private_client->temp_vblank, interval, _tdm_client_vblank_handler_temp, vblank_temp);
 716 }
 717 /* LCOV_EXCL_STOP */
 718
 719 tdm_client_output*
 720 tdm_client_get_output(tdm_client *client, char *name, tdm_error *error)
 721 {
 722         tdm_private_client *private_client;
 723         tdm_private_client_output *private_output = NULL;
 724         struct wl_proxy *wrapper;
 725
 726         if (error)
 727                 *error = TDM_ERROR_NONE;
 728
 729         if (!client) {
 730                 TDM_ERR("'!client' failed");
 731                 if (error)
 732                         *error = TDM_ERROR_INVALID_PARAMETER;
 733                 return NULL;
 734         }
 735
 736         private_client = (tdm_private_client*)client;
 737
 738         pthread_mutex_lock(&private_client->lock);
 739
 740         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 741                 if (error)
 742                         *error = TDM_ERROR_PROTOCOL_ERROR;
 743                 pthread_mutex_unlock(&private_client->lock);
 744                 return NULL;
 745         }
 746
 747         if (!name) {
 748                 name = "primary";
 749         } else if (strncmp(name, "primary", 7) && strncmp(name, "default", 7)) {
 750                 if (error)
 751                         *error = TDM_ERROR_INVALID_PARAMETER;
 752                 pthread_mutex_unlock(&private_client->lock);
 753                 return NULL;
 754         }
 755
 756         LIST_FOR_EACH_ENTRY(private_output, &private_client->output_list, link) {
 757                 if (!strncmp(private_output->name, name, TDM_NAME_LEN)) {
 758                         pthread_mutex_unlock(&private_client->lock);
 759                         return (tdm_client_output*)private_output;
 760                 }
 761         }
 762
 763         wrapper = wl_proxy_create_wrapper(private_client->tdm);
 764         if (!wrapper) {
 765                 TDM_ERR("create output_wrapper failed");
 766                 if (error)
 767                         *error = TDM_ERROR_OUT_OF_MEMORY;
 768                 pthread_mutex_unlock(&private_client->lock);
 769                 return NULL;
 770         }
 771
 772         wl_proxy_set_queue(wrapper, private_client->queue);
 773
 774         private_output = calloc(1, sizeof *private_output);
 775         if (!private_output) {
 776                 /* LCOV_EXCL_START */
 777                 wl_proxy_wrapper_destroy(wrapper);
 778                 TDM_ERR("alloc failed");
 779                 if (error)
 780                         *error = TDM_ERROR_OUT_OF_MEMORY;
 781                 pthread_mutex_unlock(&private_client->lock);
 782                 return NULL;
 783
 784                 /* LCOV_EXCL_STOP */
 785         }
 786
 787         private_output->private_client = private_client;
 788
 789         snprintf(private_output->name, TDM_NAME_LEN, "%s", name);
 790         private_output->output = wl_tdm_create_output((struct wl_tdm *)wrapper, private_output->name);
 791         wl_proxy_wrapper_destroy(wrapper);
 792         if (!private_output->output) {
 793                 /* LCOV_EXCL_START */
 794
 795                 TDM_ERR("couldn't create output resource");
 796                 free(private_output);
 797                 if (error)
 798                         *error = TDM_ERROR_OUT_OF_MEMORY;
 799                 pthread_mutex_unlock(&private_client->lock);
 800                 return NULL;
 801
 802                 /* LCOV_EXCL_STOP */
 803         }
 804
 805         LIST_INITHEAD(&private_output->vblank_list);
 806         LIST_INITHEAD(&private_output->change_handler_list);
 807
 808         wl_tdm_output_add_listener(private_output->output,
 809                                                            &tdm_client_output_listener, private_output);
 810         wl_display_roundtrip_queue(private_client->display, private_client->queue);
 811
 812         wl_proxy_set_queue((struct wl_proxy *)private_output->output, NULL);
 813
 814         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 815                 wl_tdm_output_destroy(private_output->output);
 816                 free(private_output);
 817                 if (error)
 818                         *error = TDM_ERROR_PROTOCOL_ERROR;
 819                 pthread_mutex_unlock(&private_client->lock);
 820                 return NULL;
 821         }
 822
 823         LIST_ADDTAIL(&private_output->link, &private_client->output_list);
 824
 825         pthread_mutex_unlock(&private_client->lock);
 826
 827         return (tdm_client_output*)private_output;
 828 }
 829
 830 tdm_error
 831 tdm_client_output_add_change_handler(tdm_client_output *output,
 832                                                                          tdm_client_output_change_handler func,
 833                                                                          void *user_data)
 834 {
 835         tdm_private_client_output *private_output;
 836         tdm_private_client *private_client;
 837         tdm_client_output_handler_info *h = NULL;
 838
 839         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 840         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 841
 842         private_output = (tdm_private_client_output*)output;
 843         private_client = private_output->private_client;
 844
 845         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 846                 if (h->func == func && h->user_data == user_data) {
 847                         TDM_ERR("can't add twice");
 848                         return TDM_ERROR_BAD_REQUEST;
 849                 }
 850         }
 851
 852         h = calloc(1, sizeof *h);
 853         TDM_RETURN_VAL_IF_FAIL(h != NULL, TDM_ERROR_OUT_OF_MEMORY);
 854
 855         pthread_mutex_lock(&private_client->lock);
 856
 857         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 858                 free(h);
 859                 pthread_mutex_unlock(&private_client->lock);
 860                 return TDM_ERROR_PROTOCOL_ERROR;
 861         }
 862
 863         if (LIST_IS_EMPTY(&private_output->change_handler_list)) {
 864                 wl_tdm_output_watch_output_changes(private_output->output, 1);
 865                 wl_display_roundtrip_queue(private_client->display, private_client->queue);
 866
 867                 /* TODO: this is very tricky.
 868                  * If a client adds the change_handler, we might be able to guess that
 869                  * the client will watch the tdm client's fd and handle tdm events in
 870                  * event loop. Otherwise, we CAN'T make sure if a client has event loop
 871                  * which handles tdm events.
 872                  */
 873                 private_output->watch_output_changes = 1;
 874         }
 875
 876         h->private_output = private_output;
 877         h->func = func;
 878         h->user_data = user_data;
 879         LIST_ADDTAIL(&h->link, &private_output->change_handler_list);
 880         LIST_INITHEAD(&h->call_link);
 881
 882         pthread_mutex_unlock(&private_client->lock);
 883
 884         return TDM_ERROR_NONE;
 885 }
 886
 887 void
 888 tdm_client_output_remove_change_handler(tdm_client_output *output,
 889                                                                                 tdm_client_output_change_handler func,
 890                                                                                 void *user_data)
 891 {
 892         tdm_private_client_output *private_output;
 893         tdm_private_client *private_client;
 894         tdm_client_output_handler_info *h = NULL;
 895
 896         TDM_RETURN_IF_FAIL(output != NULL);
 897         TDM_RETURN_IF_FAIL(func != NULL);
 898
 899         private_output = (tdm_private_client_output*)output;
 900         private_client = private_output->private_client;
 901
 902         pthread_mutex_lock(&private_client->lock);
 903
 904         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 905                 if (h->func != func || h->user_data != user_data)
 906                         continue;
 907
 908                 LIST_DEL(&h->link);
 909                 free(h);
 910
 911                 if (LIST_IS_EMPTY(&private_output->change_handler_list)) {
 912                         if (!CHECK_WL_PROTOCOL_ERROR(private_client)) {
 913                                 wl_tdm_output_watch_output_changes(private_output->output, 0);
 914                                 wl_display_roundtrip_queue(private_client->display, private_client->queue);
 915                         }
 916                 }
 917
 918                 pthread_mutex_unlock(&private_client->lock);
 919
 920                 return;
 921         }
 922
 923         pthread_mutex_unlock(&private_client->lock);
 924 }
 925
 926 tdm_error
 927 tdm_client_output_get_refresh_rate(tdm_client_output *output, unsigned int *refresh)
 928 {
 929         tdm_private_client_output *private_output;
 930         tdm_private_client *private_client;
 931
 932         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 933         TDM_RETURN_VAL_IF_FAIL(refresh != NULL, TDM_ERROR_INVALID_PARAMETER);
 934
 935         private_output = (tdm_private_client_output*)output;
 936         private_client = private_output->private_client;
 937
 938         pthread_mutex_lock(&private_client->lock);
 939
 940         if (private_output->watch_output_changes) {
 941                 *refresh = private_output->refresh;
 942                 pthread_mutex_unlock(&private_client->lock);
 943                 return TDM_ERROR_NONE;
 944         }
 945
 946         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 947                 pthread_mutex_unlock(&private_client->lock);
 948                 return TDM_ERROR_PROTOCOL_ERROR;
 949         }
 950
 951         wl_proxy_set_queue((struct wl_proxy *)private_output->output, private_client->queue);
 952         wl_tdm_output_get_mode(private_output->output);
 953         wl_display_roundtrip_queue(private_client->display, private_client->queue);
 954         wl_proxy_set_queue((struct wl_proxy *)private_output->output, NULL);
 955
 956         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 957                 pthread_mutex_unlock(&private_client->lock);
 958                 return TDM_ERROR_PROTOCOL_ERROR;
 959         }
 960
 961         *refresh = private_output->refresh;
 962
 963         pthread_mutex_unlock(&private_client->lock);
 964
 965         return TDM_ERROR_NONE;
 966 }
 967
 968 tdm_error
 969 tdm_client_output_get_conn_status(tdm_client_output *output, tdm_output_conn_status *status)
 970 {
 971         tdm_private_client_output *private_output;
 972         tdm_private_client *private_client;
 973
 974         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 975         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 976
 977         private_output = (tdm_private_client_output*)output;
 978         private_client = private_output->private_client;
 979
 980         pthread_mutex_lock(&private_client->lock);
 981
 982         if (private_output->watch_output_changes) {
 983                 *status = private_output->connection;
 984                 pthread_mutex_unlock(&private_client->lock);
 985                 return TDM_ERROR_NONE;
 986         }
 987
 988         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 989                 pthread_mutex_unlock(&private_client->lock);
 990                 return TDM_ERROR_PROTOCOL_ERROR;
 991         }
 992
 993         wl_proxy_set_queue((struct wl_proxy *)private_output->output, private_client->queue);
 994         wl_tdm_output_get_connection(private_output->output);
 995         wl_display_roundtrip_queue(private_client->display, private_client->queue);
 996         wl_proxy_set_queue((struct wl_proxy *)private_output->output, NULL);
 997
 998         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
 999                 pthread_mutex_unlock(&private_client->lock);
1000                 return TDM_ERROR_PROTOCOL_ERROR;
1001         }
1002
1003         *status = private_output->connection;
1004
1005         pthread_mutex_unlock(&private_client->lock);
1006
1007         return TDM_ERROR_NONE;
1008 }
1009
1010 tdm_error
1011 tdm_client_output_get_dpms(tdm_client_output *output, tdm_output_dpms *dpms)
1012 {
1013         tdm_private_client_output *private_output;
1014         tdm_private_client *private_client;
1015
1016         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1017         TDM_RETURN_VAL_IF_FAIL(dpms != NULL, TDM_ERROR_INVALID_PARAMETER);
1018
1019         private_output = (tdm_private_client_output*)output;
1020         private_client = private_output->private_client;
1021
1022         if (private_output->watch_output_changes) {
1023                 *dpms = private_output->dpms;
1024                 return TDM_ERROR_NONE;
1025         }
1026
1027         pthread_mutex_lock(&private_client->lock);
1028
1029         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1030                 pthread_mutex_unlock(&private_client->lock);
1031                 return TDM_ERROR_PROTOCOL_ERROR;
1032         }
1033
1034         wl_proxy_set_queue((struct wl_proxy *)private_output->output, private_client->queue);
1035         wl_tdm_output_get_dpms(private_output->output);
1036         wl_display_roundtrip_queue(private_client->display, private_client->queue);
1037         wl_proxy_set_queue((struct wl_proxy *)private_output->output, NULL);
1038
1039         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1040                 pthread_mutex_unlock(&private_client->lock);
1041                 return TDM_ERROR_PROTOCOL_ERROR;
1042         }
1043
1044         *dpms = private_output->dpms;
1045
1046         pthread_mutex_unlock(&private_client->lock);
1047
1048         return TDM_ERROR_NONE;
1049 }
1050
1051 tdm_client_vblank*
1052 tdm_client_output_create_vblank(tdm_client_output *output, tdm_error *error)
1053 {
1054         tdm_private_client *private_client;
1055         tdm_private_client_output *private_output;
1056         tdm_private_client_vblank *private_vblank;
1057         struct wl_proxy *wrapper;
1058
1059         if (error)
1060                 *error = TDM_ERROR_NONE;
1061
1062         if (!output) {
1063                 TDM_ERR("'!output' failed");
1064                 if (error)
1065                         *error = TDM_ERROR_INVALID_PARAMETER;
1066                 return NULL;
1067         }
1068
1069         private_output = (tdm_private_client_output*)output;
1070         private_client = private_output->private_client;
1071
1072         pthread_mutex_lock(&private_client->lock);
1073
1074         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1075                 if (error)
1076                         *error = TDM_ERROR_PROTOCOL_ERROR;
1077                 pthread_mutex_unlock(&private_client->lock);
1078                 return NULL;
1079         }
1080
1081         wrapper = wl_proxy_create_wrapper(private_output->output);
1082         if (!wrapper) {
1083                 TDM_ERR("create output_wrapper failed");
1084                 if (error)
1085                         *error = TDM_ERROR_OUT_OF_MEMORY;
1086                 pthread_mutex_unlock(&private_client->lock);
1087                 return NULL;
1088         }
1089
1090         wl_proxy_set_queue(wrapper, private_client->queue);
1091
1092         private_vblank = calloc(1, sizeof *private_vblank);
1093         if (!private_vblank) {
1094                 /* LCOV_EXCL_START */
1095
1096                 TDM_ERR("alloc failed");
1097                 wl_proxy_wrapper_destroy(wrapper);
1098                 if (error)
1099                         *error = TDM_ERROR_OUT_OF_MEMORY;
1100                 pthread_mutex_unlock(&private_client->lock);
1101                 return NULL;
1102
1103                 /* LCOV_EXCL_STOP */
1104         }
1105
1106         private_vblank->private_output = private_output;
1107
1108         private_vblank->vblank = wl_tdm_output_create_vblank((struct wl_tdm_output*)wrapper);
1109         wl_proxy_wrapper_destroy(wrapper);
1110         if (!private_vblank->vblank) {
1111                 /* LCOV_EXCL_START */
1112
1113                 TDM_ERR("couldn't create vblank resource");
1114                 free(private_vblank);
1115                 if (error)
1116                         *error = TDM_ERROR_OUT_OF_MEMORY;
1117                 pthread_mutex_unlock(&private_client->lock);
1118                 return NULL;
1119
1120                 /* LCOV_EXCL_STOP */
1121         }
1122
1123         /* initial value */
1124         private_vblank->fps = private_output->refresh;
1125         private_vblank->offset = 0;
1126         private_vblank->enable_fake = 0;
1127
1128         LIST_INITHEAD(&private_vblank->wait_list);
1129
1130         wl_tdm_vblank_add_listener(private_vblank->vblank,
1131                                                            &tdm_client_vblank_listener, private_vblank);
1132         wl_display_roundtrip_queue(private_client->display, private_client->queue);
1133
1134         wl_proxy_set_queue((struct wl_proxy *)private_vblank->vblank, NULL);
1135
1136         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1137                 wl_tdm_vblank_destroy(private_vblank->vblank);
1138                 free(private_vblank);
1139                 if (error)
1140                         *error = TDM_ERROR_PROTOCOL_ERROR;
1141                 pthread_mutex_unlock(&private_client->lock);
1142                 return NULL;
1143         }
1144
1145         LIST_ADDTAIL(&private_vblank->link, &private_output->vblank_list);
1146
1147         pthread_mutex_unlock(&private_client->lock);
1148
1149         return (tdm_client_vblank*)private_vblank;
1150 }
1151
1152 void
1153 tdm_client_vblank_destroy(tdm_client_vblank *vblank)
1154 {
1155         tdm_private_client_vblank *private_vblank;
1156         tdm_private_client *private_client;
1157         tdm_client_wait_info *w = NULL, *ww = NULL;
1158
1159         TDM_RETURN_IF_FAIL(vblank != NULL);
1160
1161         private_vblank = vblank;
1162         private_client = private_vblank->private_output->private_client;
1163
1164         pthread_mutex_lock(&private_client->lock);
1165
1166         LIST_DEL(&private_vblank->link);
1167
1168         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_vblank->wait_list, link) {
1169                 LIST_DEL(&w->link);
1170                 free(w);
1171         }
1172
1173         wl_tdm_vblank_destroy(private_vblank->vblank);
1174
1175         free(private_vblank);
1176
1177         pthread_mutex_unlock(&private_client->lock);
1178 }
1179
1180 tdm_error
1181 tdm_client_vblank_set_name(tdm_client_vblank *vblank, const char *name)
1182 {
1183         tdm_private_client_vblank *private_vblank;
1184         tdm_private_client *private_client;
1185
1186         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
1187
1188         private_vblank = vblank;
1189         private_client = private_vblank->private_output->private_client;
1190
1191         pthread_mutex_lock(&private_client->lock);
1192
1193         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1194                 pthread_mutex_unlock(&private_client->lock);
1195                 return TDM_ERROR_PROTOCOL_ERROR;
1196         }
1197
1198         if (!name)
1199                 name = TDM_VBLANK_DEFAULT_NAME;
1200
1201         strncpy(private_vblank->name, name, TDM_NAME_LEN - 1);
1202         private_vblank->name[TDM_NAME_LEN - 1] = '\0';
1203
1204         wl_tdm_vblank_set_name(private_vblank->vblank, private_vblank->name);
1205
1206         pthread_mutex_unlock(&private_client->lock);
1207
1208         return TDM_ERROR_NONE;
1209 }
1210
1211 tdm_error
1212 tdm_client_vblank_set_sync(tdm_client_vblank *vblank, unsigned int sync)
1213 {
1214         tdm_private_client_vblank *private_vblank;
1215         tdm_private_client *private_client;
1216
1217         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
1218
1219         private_vblank = vblank;
1220         private_client = private_vblank->private_output->private_client;
1221
1222         pthread_mutex_lock(&private_client->lock);
1223         private_vblank->sync = sync;
1224         pthread_mutex_unlock(&private_client->lock);
1225
1226         return TDM_ERROR_NONE;
1227 }
1228
1229 tdm_error
1230 tdm_client_vblank_set_fps(tdm_client_vblank *vblank, unsigned int fps)
1231 {
1232         tdm_private_client_vblank *private_vblank;
1233         tdm_private_client *private_client;
1234
1235         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
1236         TDM_RETURN_VAL_IF_FAIL(fps > 0, TDM_ERROR_INVALID_PARAMETER);
1237
1238         private_vblank = vblank;
1239         private_client = private_vblank->private_output->private_client;
1240
1241         pthread_mutex_lock(&private_client->lock);
1242
1243         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1244                 pthread_mutex_unlock(&private_client->lock);
1245                 return TDM_ERROR_PROTOCOL_ERROR;
1246         }
1247
1248         if (private_vblank->fps == fps) {
1249                 pthread_mutex_unlock(&private_client->lock);
1250                 return TDM_ERROR_NONE;
1251         }
1252
1253         private_vblank->fps = fps;
1254
1255         wl_tdm_vblank_set_fps(private_vblank->vblank, fps);
1256
1257         pthread_mutex_unlock(&private_client->lock);
1258
1259         return TDM_ERROR_NONE;
1260 }
1261
1262 tdm_error
1263 tdm_client_vblank_set_offset(tdm_client_vblank *vblank, int offset_ms)
1264 {
1265         tdm_private_client_vblank *private_vblank;
1266         tdm_private_client *private_client;
1267
1268         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
1269
1270         private_vblank = vblank;
1271         TDM_RETURN_VAL_IF_FAIL(private_vblank->started == 0, TDM_ERROR_BAD_REQUEST);
1272
1273         private_client = private_vblank->private_output->private_client;
1274
1275         pthread_mutex_lock(&private_client->lock);
1276
1277         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1278                 pthread_mutex_unlock(&private_client->lock);
1279                 return TDM_ERROR_PROTOCOL_ERROR;
1280         }
1281
1282         if (private_vblank->offset == offset_ms) {
1283                 pthread_mutex_unlock(&private_client->lock);
1284                 return TDM_ERROR_NONE;
1285         }
1286
1287         private_vblank->offset = offset_ms;
1288
1289         wl_tdm_vblank_set_offset(private_vblank->vblank, offset_ms);
1290
1291         pthread_mutex_unlock(&private_client->lock);
1292
1293         return TDM_ERROR_NONE;
1294 }
1295
1296 tdm_error
1297 tdm_client_vblank_set_enable_fake(tdm_client_vblank *vblank, unsigned int enable_fake)
1298 {
1299         tdm_private_client_vblank *private_vblank;
1300         tdm_private_client *private_client;
1301
1302         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
1303
1304         private_vblank = vblank;
1305         private_client = private_vblank->private_output->private_client;
1306
1307         pthread_mutex_lock(&private_client->lock);
1308
1309         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1310                 pthread_mutex_unlock(&private_client->lock);
1311                 return TDM_ERROR_PROTOCOL_ERROR;
1312         }
1313
1314         if (private_vblank->enable_fake == enable_fake) {
1315                 pthread_mutex_unlock(&private_client->lock);
1316                 return TDM_ERROR_NONE;
1317         }
1318
1319         private_vblank->enable_fake = enable_fake;
1320
1321         wl_tdm_vblank_set_enable_fake(private_vblank->vblank, enable_fake);
1322
1323         pthread_mutex_unlock(&private_client->lock);
1324
1325         return TDM_ERROR_NONE;
1326 }
1327
1328 tdm_error
1329 tdm_client_vblank_wait(tdm_client_vblank *vblank, unsigned int interval, tdm_client_vblank_handler func, void *user_data)
1330 {
1331         tdm_private_client *private_client;
1332         tdm_private_client_output *private_output;
1333         tdm_private_client_vblank *private_vblank;
1334         tdm_client_wait_info *w;
1335         struct timespec tp;
1336         unsigned int req_sec, req_usec;
1337         int ret = 0;
1338
1339         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
1340         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
1341         /* can't support "interval 0" and "getting current_msc" things because
1342          * there is a socket communication between TDM client and server. It's impossible
1343          * to return the current msc or sequence immediately.
1344          */
1345         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
1346
1347         private_vblank = vblank;
1348         private_output = private_vblank->private_output;
1349         private_client = private_output->private_client;
1350
1351         pthread_mutex_lock(&private_client->lock);
1352
1353         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1354                 pthread_mutex_unlock(&private_client->lock);
1355                 return TDM_ERROR_PROTOCOL_ERROR;
1356         }
1357
1358         if (!private_vblank->started)
1359                 private_vblank->started = 1;
1360
1361         if (!private_vblank->enable_fake) {
1362                 if (private_output->connection == TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
1363                         TDM_ERR("output disconnected");
1364                         pthread_mutex_unlock(&private_client->lock);
1365                         return TDM_ERROR_OUTPUT_DISCONNECTED;
1366                 }
1367                 if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->dpms)) {
1368                         TDM_ERR("dpms %s", tdm_dpms_str(private_output->dpms));
1369                         pthread_mutex_unlock(&private_client->lock);
1370                         return TDM_ERROR_DPMS_OFF;
1371                 }
1372         }
1373
1374         w = calloc(1, sizeof *w);
1375         if (!w) {
1376                 /* LCOV_EXCL_START */
1377
1378                 TDM_ERR("alloc failed");
1379                 pthread_mutex_unlock(&private_client->lock);
1380                 return TDM_ERROR_OUT_OF_MEMORY;
1381
1382                 /* LCOV_EXCL_STOP */
1383         }
1384
1385         w->private_vblank = private_vblank;
1386         w->func = func;
1387         w->user_data = user_data;
1388
1389         LIST_ADDTAIL(&w->link, &private_vblank->wait_list);
1390         LIST_INITHEAD(&w->call_link);
1391
1392         clock_gettime(CLOCK_MONOTONIC, &tp);
1393         req_sec = (unsigned int)tp.tv_sec;
1394         req_usec = (unsigned int)(tp.tv_nsec / 1000);
1395
1396         w->req_id = ++private_output->req_id;
1397         w->req_time = TDM_TIME(req_sec, req_usec);
1398         w->need_free = (private_vblank->sync) ? 0 : 1;
1399
1400         wl_tdm_vblank_wait_vblank(private_vblank->vblank, interval, w->req_id, req_sec, req_usec);
1401
1402         if (private_vblank->enable_ttrace)
1403                 TDM_TRACE_ASYNC_BEGIN((int)w->req_time, "TDM_Client_Vblank:%u", private_vblank->stamp);
1404
1405         TDM_DBG("vblank(%p) interval(%u) req_id(%d) req(%.6f)",
1406                         vblank, interval, w->req_id, w->req_time);
1407
1408         private_vblank->req_time = w->req_time;
1409
1410         if (private_vblank->last_time >= w->req_time)
1411                 TDM_ERR("'last(%.6f) < req(%.6f)' failed", private_vblank->last_time, w->req_time);
1412
1413         if (!private_vblank->sync) {
1414                 wl_display_flush(private_client->display);
1415                 pthread_mutex_unlock(&private_client->lock);
1416                 return TDM_ERROR_NONE;
1417         }
1418
1419         /* LCOV_EXCL_START */
1420
1421         while (ret != -1 && !w->need_free)
1422                 ret = wl_display_dispatch(private_client->display);
1423
1424         clock_gettime(CLOCK_MONOTONIC, &tp);
1425         TDM_DBG("block during %d us",
1426                         ((unsigned int)(tp.tv_sec * 1000000) + (unsigned int)(tp.tv_nsec / 1000))
1427                         - (req_sec * 1000000 + req_usec));
1428
1429         LIST_DEL(&w->link);
1430         free(w);
1431
1432         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1433                 pthread_mutex_unlock(&private_client->lock);
1434                 return TDM_ERROR_PROTOCOL_ERROR;
1435         }
1436
1437         pthread_mutex_unlock(&private_client->lock);
1438
1439         return TDM_ERROR_NONE;
1440
1441         /* LCOV_EXCL_STOP */
1442 }
1443
1444 tdm_error
1445 tdm_client_vblank_wait_seq(tdm_client_vblank *vblank, unsigned int sequence,
1446                                                    tdm_client_vblank_handler func, void *user_data)
1447 {
1448         tdm_private_client *private_client;
1449         tdm_private_client_output *private_output;
1450         tdm_private_client_vblank *private_vblank;
1451         tdm_client_wait_info *w;
1452         struct timespec tp;
1453         unsigned int req_sec, req_usec;
1454         int ret = 0;
1455
1456         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
1457         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
1458
1459         private_vblank = vblank;
1460         private_output = private_vblank->private_output;
1461         private_client = private_output->private_client;
1462
1463         pthread_mutex_lock(&private_client->lock);
1464
1465         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1466                 pthread_mutex_unlock(&private_client->lock);
1467                 return TDM_ERROR_PROTOCOL_ERROR;
1468         }
1469
1470         if (!private_vblank->started)
1471                 private_vblank->started = 1;
1472
1473         if (!private_vblank->enable_fake) {
1474                 if (private_output->connection == TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
1475                         TDM_ERR("output disconnected");
1476                         pthread_mutex_unlock(&private_client->lock);
1477                         return TDM_ERROR_OUTPUT_DISCONNECTED;
1478                 }
1479                 if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->dpms)) {
1480                         TDM_ERR("dpms %s", tdm_dpms_str(private_output->dpms));
1481                         pthread_mutex_unlock(&private_client->lock);
1482                         return TDM_ERROR_DPMS_OFF;
1483                 }
1484         }
1485
1486         w = calloc(1, sizeof *w);
1487         if (!w) {
1488                 /* LCOV_EXCL_START */
1489
1490                 TDM_ERR("alloc failed");
1491                 pthread_mutex_unlock(&private_client->lock);
1492                 return TDM_ERROR_OUT_OF_MEMORY;
1493
1494                 /* LCOV_EXCL_STOP */
1495         }
1496
1497         w->private_vblank = private_vblank;
1498         w->func = func;
1499         w->user_data = user_data;
1500
1501         LIST_ADDTAIL(&w->link, &private_vblank->wait_list);
1502         LIST_INITHEAD(&w->call_link);
1503
1504         clock_gettime(CLOCK_MONOTONIC, &tp);
1505         req_sec = (unsigned int)tp.tv_sec;
1506         req_usec = (unsigned int)(tp.tv_nsec / 1000);
1507
1508         w->req_id = ++private_output->req_id;
1509         w->req_time = TDM_TIME(req_sec, req_usec);
1510         w->need_free = (private_vblank->sync) ? 0 : 1;
1511
1512         wl_tdm_vblank_wait_vblank_seq(private_vblank->vblank, sequence, w->req_id, req_sec, req_usec);
1513
1514         if (private_vblank->enable_ttrace)
1515                 TDM_TRACE_ASYNC_BEGIN((int)w->req_time, "TDM_Client_Vblank:%u", private_vblank->stamp);
1516
1517         TDM_DBG("vblank(%p) sequence(%u) req_id(%d) req(%.6f)",
1518                         vblank, sequence, w->req_id, w->req_time);
1519
1520         private_vblank->req_time = w->req_time;
1521
1522         if (private_vblank->last_time >= w->req_time)
1523                 TDM_ERR("'last(%.6f) < req(%.6f)' failed", private_vblank->last_time, w->req_time);
1524
1525         if (!private_vblank->sync) {
1526                 wl_display_flush(private_client->display);
1527                 pthread_mutex_unlock(&private_client->lock);
1528                 return TDM_ERROR_NONE;
1529         }
1530
1531         /* LCOV_EXCL_START */
1532
1533         while (ret != -1 && !w->need_free)
1534                 ret = wl_display_dispatch(private_client->display);
1535
1536         clock_gettime(CLOCK_MONOTONIC, &tp);
1537         TDM_DBG("block during %d us",
1538                         ((unsigned int)(tp.tv_sec * 1000000) + (unsigned int)(tp.tv_nsec / 1000))
1539                         - (req_sec * 1000000 + req_usec));
1540
1541         LIST_DEL(&w->link);
1542         free(w);
1543
1544         if (CHECK_WL_PROTOCOL_ERROR(private_client)) {
1545                 pthread_mutex_unlock(&private_client->lock);
1546                 return TDM_ERROR_PROTOCOL_ERROR;
1547         }
1548
1549         pthread_mutex_unlock(&private_client->lock);
1550
1551         return TDM_ERROR_NONE;
1552
1553         /* LCOV_EXCL_STOP */
1554 }
1555
1556 unsigned int
1557 tdm_client_vblank_is_waiting(tdm_client_vblank *vblank)
1558 {
1559         tdm_private_client_vblank *private_vblank;
1560
1561         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, 0);
1562
1563         private_vblank = vblank;
1564
1565         return (LIST_LENGTH(&private_vblank->wait_list) > 0) ? 1 : 0;
1566 }