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         unsigned int watch_output_changes;
  80
  81         struct list_head link;
  82 } tdm_private_client_output;
  83
  84 struct _tdm_private_client_vblank {
  85         tdm_private_client_output *private_output;
  86
  87         struct wl_tdm_vblank *vblank;
  88         struct list_head wait_list;
  89
  90         char name[TDM_NAME_LEN];
  91         unsigned int sync;
  92         unsigned int fps;
  93         int offset;
  94         unsigned int enable_fake;
  95         unsigned int enable_ttrace;
  96
  97         unsigned int started;
  98         unsigned int stamp;
  99
 100         double req_time;
 101         double last_time;
 102
 103         struct list_head link;
 104 };
 105
 106 typedef struct _tdm_client_output_handler_info {
 107         tdm_private_client_output *private_output;
 108
 109         tdm_client_output_change_handler func;
 110         void *user_data;
 111
 112         struct list_head link;
 113 } tdm_client_output_handler_info;
 114
 115 typedef struct _tdm_client_wait_info {
 116         tdm_private_client_vblank *private_vblank;
 117
 118         tdm_client_vblank_handler func;
 119         void *user_data;
 120
 121         unsigned int req_id;
 122         double req_time;
 123         int need_free;
 124
 125         struct list_head link;
 126 } tdm_client_wait_info;
 127
 128 static void
 129 _tdm_client_vblank_cb_stamp(void *data, struct wl_tdm_vblank *wl_tdm_vblank, uint32_t stamp)
 130 {
 131         tdm_private_client_vblank *private_vblank = data;
 132
 133         TDM_RETURN_IF_FAIL(private_vblank != NULL);
 134
 135         private_vblank->stamp = stamp;
 136 }
 137
 138 /* LCOV_EXCL_START */
 139 static void
 140 _tdm_client_vblank_cb_done(void *data, struct wl_tdm_vblank *wl_tdm_vblank,
 141                                                    uint32_t req_id, uint32_t sequence, uint32_t tv_sec,
 142                                                    uint32_t tv_usec, uint32_t error)
 143 {
 144         tdm_private_client_vblank *private_vblank = data;
 145         tdm_client_wait_info *w = NULL, *ww = NULL;
 146
 147         TDM_RETURN_IF_FAIL(private_vblank != NULL);
 148
 149         private_vblank->last_time = TDM_TIME(tv_sec, tv_usec);
 150
 151         TDM_DBG("vblank(%p) req_id(%u) sequence(%u) time(%.6f)",
 152                         private_vblank, req_id, sequence, TDM_TIME(tv_sec, tv_usec));
 153
 154         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_vblank->wait_list, link) {
 155                 if (w->req_id != req_id)
 156                         continue;
 157
 158                 if (private_vblank->enable_ttrace)
 159                         TDM_TRACE_ASYNC_END((int)w->req_time, "TDM_Client_Vblank:%u", private_vblank->stamp);
 160
 161                 if (w->req_time >= private_vblank->last_time)
 162                         TDM_WRN("'req(%.6f) < last(%.6f)' failed", w->req_time, private_vblank->last_time);
 163
 164                 if (w->func)
 165                         w->func(private_vblank, error, sequence, tv_sec, tv_usec, w->user_data);
 166
 167                 if (w->need_free) {
 168                         LIST_DEL(&w->link);
 169                         free(w);
 170                 } else
 171                         w->need_free = 1;
 172                 return;
 173         }
 174 }
 175 /* LCOV_EXCL_STOP */
 176
 177 /* LCOV_EXCL_START */
 178 static void
 179 _tdm_client_vblank_cb_ttrace(void *data, struct wl_tdm_vblank *wl_tdm_vblank, uint32_t enable)
 180 {
 181         tdm_private_client_vblank *private_vblank = data;
 182
 183         TDM_RETURN_IF_FAIL(private_vblank != NULL);
 184
 185         private_vblank->enable_ttrace = enable;
 186 }
 187 /* LCOV_EXCL_STOP */
 188
 189 static const struct wl_tdm_vblank_listener tdm_client_vblank_listener = {
 190         _tdm_client_vblank_cb_stamp,
 191         _tdm_client_vblank_cb_done,
 192         _tdm_client_vblank_cb_ttrace,
 193 };
 194
 195 static void
 196 _tdm_client_output_destroy(tdm_private_client_output *private_output)
 197 {
 198         tdm_private_client_vblank *v = NULL, *vv = NULL;
 199         tdm_client_output_handler_info *h = NULL, *hh = NULL;
 200
 201         LIST_DEL(&private_output->link);
 202
 203         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_list, link) {
 204                 TDM_ERR("vblanks SHOULD be destroyed first!");
 205                 LIST_DEL(&v->link);
 206                 v->private_output = NULL;
 207         }
 208
 209         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list, link) {
 210                 LIST_DEL(&h->link);
 211                 free(h);
 212         }
 213
 214         wl_tdm_output_destroy(private_output->output);
 215
 216         free(private_output);
 217 }
 218
 219 static void
 220 _tdm_client_output_cb_mode(void *data, struct wl_tdm_output *wl_tdm_output,
 221                                                    uint32_t width, uint32_t height, uint32_t refresh, uint32_t error)
 222 {
 223         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 224
 225         TDM_RETURN_IF_FAIL(private_output != NULL);
 226
 227         private_output->width = width;
 228         private_output->height = height;
 229         private_output->refresh = refresh;
 230
 231         if (error != TDM_ERROR_NONE)
 232                 TDM_INFO("mode event error: %d", error);
 233
 234         TDM_DBG("private_output(%p) wl_tbm_output@%d width(%d) height(%d) refresh(%d)",
 235                         private_output, wl_proxy_get_id((struct wl_proxy*)private_output->output),
 236                         width, height, refresh);
 237 }
 238
 239 static void
 240 _tdm_client_output_cb_connection(void *data, struct wl_tdm_output *wl_tdm_output, uint32_t value, uint32_t error)
 241 {
 242         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 243         tdm_client_output_handler_info *h = NULL;
 244         tdm_value v;
 245
 246         TDM_RETURN_IF_FAIL(private_output != NULL);
 247
 248         if (private_output->connection == value)
 249                 return;
 250
 251         private_output->connection = value;
 252
 253         if (error != TDM_ERROR_NONE)
 254                 TDM_INFO("connection event error: %d", error);
 255
 256         TDM_DBG("private_output(%p) wl_tbm_output@%d connection(%d)",
 257                         private_output,
 258                         wl_proxy_get_id((struct wl_proxy*)private_output->output),
 259                         value);
 260
 261         v.u32 = value;
 262         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 263                 if (h->func)
 264                         h->func(private_output, TDM_OUTPUT_CHANGE_CONNECTION, v, h->user_data);
 265         }
 266 }
 267
 268 static void
 269 _tdm_client_output_cb_dpms(void *data, struct wl_tdm_output *wl_tdm_output, uint32_t value, uint32_t error)
 270 {
 271         tdm_private_client_output *private_output = (tdm_private_client_output*)data;
 272         tdm_client_output_handler_info *h = NULL;
 273         tdm_value v;
 274
 275         TDM_RETURN_IF_FAIL(private_output != NULL);
 276
 277         if (private_output->dpms == value)
 278                 return;
 279
 280         private_output->dpms = value;
 281
 282         if (error != TDM_ERROR_NONE)
 283                 TDM_INFO("dpms event error: %d", error);
 284
 285         TDM_DBG("private_output(%p) wl_tbm_output@%d dpms(%d)",
 286                         private_output,
 287                         wl_proxy_get_id((struct wl_proxy*)private_output->output),
 288                         value);
 289
 290         v.u32 = value;
 291         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 292                 if (h->func)
 293                         h->func(private_output, TDM_OUTPUT_CHANGE_DPMS, v, h->user_data);
 294         }
 295 }
 296
 297 static const struct wl_tdm_output_listener tdm_client_output_listener = {
 298         _tdm_client_output_cb_mode,
 299         _tdm_client_output_cb_connection,
 300         _tdm_client_output_cb_dpms,
 301 };
 302
 303 static void
 304 _tdm_client_cb_global(void *data, struct wl_registry *registry,
 305                                           uint32_t name, const char *interface,
 306                                           uint32_t version)
 307 {
 308         tdm_private_client *private_client = data;
 309
 310         if (strncmp(interface, "wl_tdm", 6) == 0) {
 311                 private_client->tdm =
 312                         wl_registry_bind(registry, name, &wl_tdm_interface, version);
 313                 TDM_RETURN_IF_FAIL(private_client->tdm != NULL);
 314
 315                 wl_display_flush(private_client->display);
 316         }
 317 }
 318
 319 /* LCOV_EXCL_START */
 320 static void
 321 _tdm_client_cb_global_remove(void *data, struct wl_registry *registry, uint32_t name)
 322 {
 323 }
 324 /* LCOV_EXCL_STOP */
 325
 326 static const struct wl_registry_listener tdm_client_registry_listener = {
 327         _tdm_client_cb_global,
 328         _tdm_client_cb_global_remove
 329 };
 330
 331 tdm_client*
 332 tdm_client_create(tdm_error *error)
 333 {
 334         tdm_private_client *private_client;
 335
 336         private_client = calloc(1, sizeof *private_client);
 337         if (!private_client) {
 338                 /* LCOV_EXCL_START */
 339
 340                 TDM_ERR("alloc failed");
 341                 if (error)
 342                         *error = TDM_ERROR_OUT_OF_MEMORY;
 343                 return NULL;
 344
 345                 /* LCOV_EXCL_STOP */
 346         }
 347
 348         LIST_INITHEAD(&private_client->output_list);
 349
 350         private_client->display = wl_display_connect("tdm-socket");
 351         TDM_GOTO_IF_FAIL(private_client->display != NULL, create_failed);
 352
 353         private_client->registry = wl_display_get_registry(private_client->display);
 354         TDM_GOTO_IF_FAIL(private_client->registry != NULL, create_failed);
 355
 356         wl_registry_add_listener(private_client->registry,
 357                                                          &tdm_client_registry_listener, private_client);
 358         wl_display_roundtrip(private_client->display);
 359
 360         /* check global objects */
 361         TDM_GOTO_IF_FAIL(private_client->tdm != NULL, create_failed);
 362
 363         if (error)
 364                 *error = TDM_ERROR_NONE;
 365
 366         return (tdm_client*)private_client;
 367 create_failed:
 368         tdm_client_destroy((tdm_client*)private_client);
 369         if (error)
 370                 *error = TDM_ERROR_OPERATION_FAILED;
 371         return NULL;
 372 }
 373
 374 void
 375 tdm_client_destroy(tdm_client *client)
 376 {
 377         tdm_private_client *private_client = (tdm_private_client*)client;
 378         tdm_private_client_output *o = NULL, *oo = NULL;
 379
 380         if (!private_client)
 381                 return;
 382
 383         if (private_client->temp_vblank)
 384                 tdm_client_vblank_destroy(private_client->temp_vblank);
 385
 386         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_client->output_list, link) {
 387                 _tdm_client_output_destroy(o);
 388         }
 389
 390         if (private_client->tdm)
 391                 wl_tdm_destroy(private_client->tdm);
 392         if (private_client->registry)
 393                 wl_registry_destroy(private_client->registry);
 394         if (private_client->display)
 395                 wl_display_disconnect(private_client->display);
 396
 397         free(private_client);
 398 }
 399
 400 tdm_error
 401 tdm_client_get_fd(tdm_client *client, int *fd)
 402 {
 403         tdm_private_client *private_client;
 404
 405         TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_ERROR_INVALID_PARAMETER);
 406         TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_ERROR_INVALID_PARAMETER);
 407
 408         private_client = (tdm_private_client*)client;
 409
 410         *fd = wl_display_get_fd(private_client->display);
 411         if (*fd < 0)
 412                 return TDM_ERROR_OPERATION_FAILED;
 413
 414         return TDM_ERROR_NONE;
 415 }
 416
 417 tdm_error
 418 tdm_client_handle_events(tdm_client *client)
 419 {
 420         tdm_private_client *private_client;
 421
 422         TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_ERROR_INVALID_PARAMETER);
 423
 424         /* LCOV_EXCL_START */
 425         private_client = (tdm_private_client*)client;
 426
 427         wl_display_dispatch(private_client->display);
 428
 429         return TDM_ERROR_NONE;
 430         /* LCOV_EXCL_STOP */
 431 }
 432
 433 typedef struct _tdm_client_vblank_temp {
 434         tdm_client_vblank_handler2 func;
 435         void *user_data;
 436 } tdm_client_vblank_temp;
 437
 438 /* LCOV_EXCL_START */
 439 static void
 440 _tdm_client_vblank_handler_temp(tdm_client_vblank *vblank, tdm_error error, unsigned int sequence,
 441                                                                 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 442 {
 443         tdm_client_vblank_temp *vblank_temp = user_data;
 444
 445         TDM_RETURN_IF_FAIL(vblank_temp != NULL);
 446
 447         if (vblank_temp->func)
 448                 vblank_temp->func(sequence, tv_sec, tv_usec, vblank_temp->user_data);
 449
 450         free(vblank_temp);
 451 }
 452 /* LCOV_EXCL_STOP */
 453
 454 /* LCOV_EXCL_START */ /* deprecated */
 455 tdm_error
 456 tdm_client_wait_vblank(tdm_client *client, char *name,
 457                                            int sw_timer, int interval, int sync,
 458                                            tdm_client_vblank_handler2 func, void *user_data)
 459 {
 460         tdm_private_client *private_client = (tdm_private_client*)client;
 461         tdm_client_output *output;
 462         tdm_client_vblank_temp *vblank_temp;
 463         tdm_error ret;
 464
 465         TDM_RETURN_VAL_IF_FAIL(private_client != NULL, TDM_ERROR_INVALID_PARAMETER);
 466         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 467         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 468
 469         if (!private_client->temp_vblank) {
 470                 output = tdm_client_get_output(client, name, &ret);
 471                 TDM_RETURN_VAL_IF_FAIL(output != NULL, ret);
 472
 473                 private_client->temp_vblank = tdm_client_output_create_vblank(output, &ret);
 474                 TDM_RETURN_VAL_IF_FAIL(private_client->temp_vblank != NULL, ret);
 475         }
 476
 477         tdm_client_vblank_set_enable_fake(private_client->temp_vblank, sw_timer);
 478         tdm_client_vblank_set_sync(private_client->temp_vblank, sync);
 479
 480         vblank_temp = calloc(1, sizeof *vblank_temp);
 481         TDM_RETURN_VAL_IF_FAIL(vblank_temp != NULL, TDM_ERROR_OUT_OF_MEMORY);
 482
 483         vblank_temp->func = func;
 484         vblank_temp->user_data = user_data;
 485
 486         return tdm_client_vblank_wait(private_client->temp_vblank, interval, _tdm_client_vblank_handler_temp, vblank_temp);
 487 }
 488 /* LCOV_EXCL_STOP */
 489
 490 tdm_client_output*
 491 tdm_client_get_output(tdm_client *client, char *name, tdm_error *error)
 492 {
 493         tdm_private_client *private_client;
 494         tdm_private_client_output *private_output = NULL;
 495
 496         if (error)
 497                 *error = TDM_ERROR_NONE;
 498
 499         if (!client) {
 500                 TDM_ERR("'!client' failed");
 501                 if (error)
 502                         *error = TDM_ERROR_INVALID_PARAMETER;
 503                 return NULL;
 504         }
 505
 506         private_client = (tdm_private_client*)client;
 507
 508         if (!name)
 509                 name = "primary";
 510
 511         LIST_FOR_EACH_ENTRY(private_output, &private_client->output_list, link) {
 512                 if (!strncmp(private_output->name, name, TDM_NAME_LEN))
 513                         return (tdm_client_output*)private_output;
 514         }
 515
 516         private_output = calloc(1, sizeof *private_output);
 517         if (!private_output) {
 518                 /* LCOV_EXCL_START */
 519
 520                 TDM_ERR("alloc failed");
 521                 if (error)
 522                         *error = TDM_ERROR_OUT_OF_MEMORY;
 523                 return NULL;
 524
 525                 /* LCOV_EXCL_STOP */
 526         }
 527
 528         private_output->private_client = private_client;
 529
 530         snprintf(private_output->name, TDM_NAME_LEN, "%s", name);
 531         private_output->output = wl_tdm_create_output(private_client->tdm, private_output->name);
 532         if (!private_output->output) {
 533                 /* LCOV_EXCL_START */
 534
 535                 TDM_ERR("couldn't create output resource");
 536                 free(private_output);
 537                 if (error)
 538                         *error = TDM_ERROR_OUT_OF_MEMORY;
 539                 return NULL;
 540
 541                 /* LCOV_EXCL_STOP */
 542         }
 543
 544         LIST_INITHEAD(&private_output->vblank_list);
 545         LIST_INITHEAD(&private_output->change_handler_list);
 546         LIST_ADDTAIL(&private_output->link, &private_client->output_list);
 547
 548         wl_tdm_output_add_listener(private_output->output,
 549                                                            &tdm_client_output_listener, private_output);
 550         wl_display_roundtrip(private_client->display);
 551
 552         return (tdm_client_output*)private_output;
 553 }
 554
 555 tdm_error
 556 tdm_client_output_add_change_handler(tdm_client_output *output,
 557                                                                          tdm_client_output_change_handler func,
 558                                                                          void *user_data)
 559 {
 560         tdm_private_client_output *private_output;
 561         tdm_client_output_handler_info *h;
 562
 563         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 564         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 565
 566         private_output = (tdm_private_client_output*)output;
 567
 568         h = calloc(1, sizeof *h);
 569         TDM_RETURN_VAL_IF_FAIL(h != NULL, TDM_ERROR_OUT_OF_MEMORY);
 570
 571         if (LIST_IS_EMPTY(&private_output->change_handler_list)) {
 572                 wl_tdm_output_watch_output_changes(private_output->output, 1);
 573
 574                 /* TODO: this is very tricky.
 575                  * If a client adds the change_handler, we might be able to guess that
 576                  * the client will watch the tdm client's fd and handle tdm events in
 577                  * event loop. Otherwise, we CAN'T make sure if a client has event loop
 578                  * which handles tdm events.
 579                  */
 580                 private_output->watch_output_changes = 1;
 581         }
 582
 583         h->private_output = private_output;
 584         h->func = func;
 585         h->user_data = user_data;
 586         LIST_ADDTAIL(&h->link, &private_output->change_handler_list);
 587
 588         return TDM_ERROR_NOT_IMPLEMENTED;
 589 }
 590
 591 void
 592 tdm_client_output_remove_change_handler(tdm_client_output *output,
 593                                                                                 tdm_client_output_change_handler func,
 594                                                                                 void *user_data)
 595 {
 596         tdm_private_client_output *private_output;
 597         tdm_client_output_handler_info *h = NULL;
 598
 599         TDM_RETURN_IF_FAIL(output != NULL);
 600         TDM_RETURN_IF_FAIL(func != NULL);
 601
 602         private_output = (tdm_private_client_output*)output;
 603
 604         LIST_FOR_EACH_ENTRY(h, &private_output->change_handler_list, link) {
 605                 if (h->func != func || h->user_data != user_data)
 606                         continue;
 607
 608                 LIST_DEL(&h->link);
 609                 free(h);
 610
 611                 if (LIST_IS_EMPTY(&private_output->change_handler_list))
 612                         wl_tdm_output_watch_output_changes(private_output->output, 0);
 613
 614                 return;
 615         }
 616 }
 617
 618 tdm_error
 619 tdm_client_output_get_refresh_rate(tdm_client_output *output, unsigned int *refresh)
 620 {
 621         tdm_private_client_output *private_output;
 622         tdm_private_client *private_client;
 623
 624         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 625         TDM_RETURN_VAL_IF_FAIL(refresh != NULL, TDM_ERROR_INVALID_PARAMETER);
 626
 627         private_output = (tdm_private_client_output*)output;
 628
 629         if (private_output->watch_output_changes) {
 630                 *refresh = private_output->refresh;
 631                 return TDM_ERROR_NONE;
 632         }
 633
 634         private_client = private_output->private_client;
 635         TDM_RETURN_VAL_IF_FAIL(private_client != NULL, TDM_ERROR_INVALID_PARAMETER);
 636
 637         wl_tdm_output_get_mode(private_output->output);
 638         wl_display_roundtrip(private_client->display);
 639
 640         *refresh = private_output->refresh;
 641
 642         return TDM_ERROR_NONE;
 643 }
 644
 645 tdm_error
 646 tdm_client_output_get_conn_status(tdm_client_output *output, tdm_output_conn_status *status)
 647 {
 648         tdm_private_client_output *private_output;
 649         tdm_private_client *private_client;
 650
 651         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 652         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 653
 654         private_output = (tdm_private_client_output*)output;
 655
 656         if (private_output->watch_output_changes) {
 657                 *status = private_output->connection;
 658                 return TDM_ERROR_NONE;
 659         }
 660
 661         private_client = private_output->private_client;
 662         TDM_RETURN_VAL_IF_FAIL(private_client != NULL, TDM_ERROR_INVALID_PARAMETER);
 663
 664         wl_tdm_output_get_connection(private_output->output);
 665         wl_display_roundtrip(private_client->display);
 666
 667         *status = private_output->connection;
 668
 669         return TDM_ERROR_NONE;
 670 }
 671
 672 tdm_error
 673 tdm_client_output_get_dpms(tdm_client_output *output, tdm_output_dpms *dpms)
 674 {
 675         tdm_private_client_output *private_output;
 676         tdm_private_client *private_client;
 677
 678         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 679         TDM_RETURN_VAL_IF_FAIL(dpms != NULL, TDM_ERROR_INVALID_PARAMETER);
 680
 681         private_output = (tdm_private_client_output*)output;
 682
 683         if (private_output->watch_output_changes) {
 684                 *dpms = private_output->dpms;
 685                 return TDM_ERROR_NONE;
 686         }
 687
 688         private_client = private_output->private_client;
 689         TDM_RETURN_VAL_IF_FAIL(private_client != NULL, TDM_ERROR_INVALID_PARAMETER);
 690
 691         wl_tdm_output_get_dpms(private_output->output);
 692         wl_display_roundtrip(private_client->display);
 693
 694         *dpms = private_output->dpms;
 695
 696         return TDM_ERROR_NONE;
 697 }
 698
 699 tdm_client_vblank*
 700 tdm_client_output_create_vblank(tdm_client_output *output, tdm_error *error)
 701 {
 702         tdm_private_client *private_client;
 703         tdm_private_client_output *private_output;
 704         tdm_private_client_vblank *private_vblank;
 705
 706         if (error)
 707                 *error = TDM_ERROR_NONE;
 708
 709         if (!output) {
 710                 TDM_ERR("'!output' failed");
 711                 if (error)
 712                         *error = TDM_ERROR_INVALID_PARAMETER;
 713                 return NULL;
 714         }
 715
 716         private_output = (tdm_private_client_output*)output;
 717         private_client = private_output->private_client;
 718
 719         if (!private_client) {
 720                 TDM_ERR("'!private_client' failed");
 721                 if (error)
 722                         *error = TDM_ERROR_INVALID_PARAMETER;
 723                 return NULL;
 724         }
 725
 726         private_vblank = calloc(1, sizeof *private_vblank);
 727         if (!private_vblank) {
 728                 /* LCOV_EXCL_START */
 729
 730                 TDM_ERR("alloc failed");
 731                 if (error)
 732                         *error = TDM_ERROR_OUT_OF_MEMORY;
 733                 return NULL;
 734
 735                 /* LCOV_EXCL_STOP */
 736         }
 737
 738         private_vblank->private_output = private_output;
 739
 740         private_vblank->vblank = wl_tdm_output_create_vblank(private_output->output);
 741         if (!private_vblank->vblank) {
 742                 /* LCOV_EXCL_START */
 743
 744                 TDM_ERR("couldn't create vblank resource");
 745                 free(private_vblank);
 746                 if (error)
 747                         *error = TDM_ERROR_OUT_OF_MEMORY;
 748                 return NULL;
 749
 750                 /* LCOV_EXCL_STOP */
 751         }
 752
 753         /* initial value */
 754         private_vblank->fps = private_output->refresh;
 755         private_vblank->offset = 0;
 756         private_vblank->enable_fake = 0;
 757
 758         LIST_INITHEAD(&private_vblank->wait_list);
 759         LIST_ADDTAIL(&private_vblank->link, &private_output->vblank_list);
 760
 761         wl_tdm_vblank_add_listener(private_vblank->vblank,
 762                                                            &tdm_client_vblank_listener, private_vblank);
 763         wl_display_roundtrip(private_client->display);
 764
 765         return (tdm_client_vblank*)private_vblank;
 766 }
 767
 768 void
 769 tdm_client_vblank_destroy(tdm_client_vblank *vblank)
 770 {
 771         tdm_private_client_vblank *private_vblank;
 772         tdm_client_wait_info *w = NULL, *ww = NULL;
 773
 774         TDM_RETURN_IF_FAIL(vblank != NULL);
 775
 776         private_vblank = vblank;
 777         LIST_DEL(&private_vblank->link);
 778
 779         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_vblank->wait_list, link) {
 780                 LIST_DEL(&w->link);
 781                 free(w);
 782         }
 783
 784         wl_tdm_vblank_destroy(private_vblank->vblank);
 785
 786         free(private_vblank);
 787 }
 788
 789 tdm_error
 790 tdm_client_vblank_set_name(tdm_client_vblank *vblank, const char *name)
 791 {
 792         tdm_private_client_vblank *private_vblank;
 793
 794         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 795
 796         private_vblank = vblank;
 797
 798         if (!name)
 799                 name = TDM_VBLANK_DEFAULT_NAME;
 800
 801         strncpy(private_vblank->name, name, TDM_NAME_LEN - 1);
 802         private_vblank->name[TDM_NAME_LEN - 1] = '\0';
 803
 804         wl_tdm_vblank_set_name(private_vblank->vblank, private_vblank->name);
 805
 806         return TDM_ERROR_NONE;
 807 }
 808
 809 tdm_error
 810 tdm_client_vblank_set_sync(tdm_client_vblank *vblank, unsigned int sync)
 811 {
 812         tdm_private_client_vblank *private_vblank;
 813
 814         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 815
 816         private_vblank = vblank;
 817         private_vblank->sync = sync;
 818
 819         return TDM_ERROR_NONE;
 820 }
 821
 822 tdm_error
 823 tdm_client_vblank_set_fps(tdm_client_vblank *vblank, unsigned int fps)
 824 {
 825         tdm_private_client_vblank *private_vblank;
 826
 827         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 828         TDM_RETURN_VAL_IF_FAIL(fps > 0, TDM_ERROR_INVALID_PARAMETER);
 829
 830         private_vblank = vblank;
 831
 832         if (private_vblank->fps == fps)
 833                 return TDM_ERROR_NONE;
 834         private_vblank->fps = fps;
 835
 836         wl_tdm_vblank_set_fps(private_vblank->vblank, fps);
 837
 838         return TDM_ERROR_NONE;
 839 }
 840
 841 tdm_error
 842 tdm_client_vblank_set_offset(tdm_client_vblank *vblank, int offset_ms)
 843 {
 844         tdm_private_client_vblank *private_vblank;
 845
 846         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 847
 848         private_vblank = vblank;
 849         TDM_RETURN_VAL_IF_FAIL(private_vblank->started == 0, TDM_ERROR_BAD_REQUEST);
 850
 851         if (private_vblank->offset == offset_ms)
 852                 return TDM_ERROR_NONE;
 853         private_vblank->offset = offset_ms;
 854
 855         wl_tdm_vblank_set_offset(private_vblank->vblank, offset_ms);
 856
 857         return TDM_ERROR_NONE;
 858 }
 859
 860 tdm_error
 861 tdm_client_vblank_set_enable_fake(tdm_client_vblank *vblank, unsigned int enable_fake)
 862 {
 863         tdm_private_client_vblank *private_vblank;
 864
 865         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 866
 867         private_vblank = vblank;
 868
 869         if (private_vblank->enable_fake == enable_fake)
 870                 return TDM_ERROR_NONE;
 871         private_vblank->enable_fake = enable_fake;
 872
 873         wl_tdm_vblank_set_enable_fake(private_vblank->vblank, enable_fake);
 874
 875         return TDM_ERROR_NONE;
 876 }
 877
 878 tdm_error
 879 tdm_client_vblank_wait(tdm_client_vblank *vblank, unsigned int interval, tdm_client_vblank_handler func, void *user_data)
 880 {
 881         tdm_private_client *private_client;
 882         tdm_private_client_output *private_output;
 883         tdm_private_client_vblank *private_vblank;
 884         tdm_client_wait_info *w;
 885         struct timespec tp;
 886         unsigned int req_sec, req_usec;
 887         int ret = 0;
 888
 889         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 890         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 891         /* can't support "interval 0" and "getting current_msc" things because
 892          * there is a socket communication between TDM client and server. It's impossible
 893          * to return the current msc or sequence immediately.
 894          */
 895         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 896
 897         private_vblank = vblank;
 898         private_output = private_vblank->private_output;
 899         private_client = private_output->private_client;
 900
 901         if (!private_vblank->started)
 902                 private_vblank->started = 1;
 903
 904         if (private_output->watch_output_changes && !private_vblank->enable_fake) {
 905                 if (private_output->connection == TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 906                         TDM_ERR("output disconnected");
 907                         return TDM_ERROR_OUTPUT_DISCONNECTED;
 908                 }
 909                 if (private_output->dpms != TDM_OUTPUT_DPMS_ON) {
 910                         TDM_ERR("dpms off");
 911                         return TDM_ERROR_DPMS_OFF;
 912                 }
 913         }
 914
 915         w = calloc(1, sizeof *w);
 916         if (!w) {
 917                 /* LCOV_EXCL_START */
 918
 919                 TDM_ERR("alloc failed");
 920                 return TDM_ERROR_OUT_OF_MEMORY;
 921
 922                 /* LCOV_EXCL_STOP */
 923         }
 924
 925         w->private_vblank = private_vblank;
 926         w->func = func;
 927         w->user_data = user_data;
 928
 929         LIST_ADDTAIL(&w->link, &private_vblank->wait_list);
 930
 931         clock_gettime(CLOCK_MONOTONIC, &tp);
 932         req_sec = (unsigned int)tp.tv_sec;
 933         req_usec = (unsigned int)(tp.tv_nsec / 1000);
 934
 935         w->req_id = ++private_output->req_id;
 936         w->req_time = TDM_TIME(req_sec, req_usec);
 937         w->need_free = (private_vblank->sync) ? 0 : 1;
 938
 939         wl_tdm_vblank_wait_vblank(private_vblank->vblank, interval, w->req_id, req_sec, req_usec);
 940
 941         if (private_vblank->enable_ttrace)
 942                 TDM_TRACE_ASYNC_BEGIN((int)w->req_time, "TDM_Client_Vblank:%u", private_vblank->stamp);
 943
 944         TDM_DBG("vblank(%p) interval(%u) req_id(%d) req(%.6f)",
 945                         vblank, interval, w->req_id, w->req_time);
 946
 947         private_vblank->req_time = w->req_time;
 948
 949         if (private_vblank->last_time >= w->req_time)
 950                 TDM_ERR("'last(%.6f) < req(%.6f)' failed", private_vblank->last_time, w->req_time);
 951
 952         if (!private_vblank->sync) {
 953                 wl_display_flush(private_client->display);
 954                 return TDM_ERROR_NONE;
 955         }
 956
 957         /* LCOV_EXCL_START */
 958
 959         while (ret != -1 && !w->need_free)
 960                 ret = wl_display_dispatch(private_client->display);
 961
 962         clock_gettime(CLOCK_MONOTONIC, &tp);
 963         TDM_DBG("block during %d us",
 964                         ((unsigned int)(tp.tv_sec * 1000000) + (unsigned int)(tp.tv_nsec / 1000))
 965                         - (req_sec * 1000000 + req_usec));
 966
 967         LIST_DEL(&w->link);
 968         free(w);
 969
 970         return TDM_ERROR_NONE;
 971
 972         /* LCOV_EXCL_STOP */
 973 }
 974
 975 tdm_error
 976 tdm_client_vblank_wait_seq(tdm_client_vblank *vblank, unsigned int sequence,
 977                                                    tdm_client_vblank_handler func, void *user_data)
 978 {
 979         tdm_private_client *private_client;
 980         tdm_private_client_output *private_output;
 981         tdm_private_client_vblank *private_vblank;
 982         tdm_client_wait_info *w;
 983         struct timespec tp;
 984         unsigned int req_sec, req_usec;
 985         int ret = 0;
 986
 987         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, TDM_ERROR_INVALID_PARAMETER);
 988         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 989
 990         private_vblank = vblank;
 991         private_output = private_vblank->private_output;
 992         private_client = private_output->private_client;
 993
 994         if (!private_vblank->started)
 995                 private_vblank->started = 1;
 996
 997         if (private_output->watch_output_changes && !private_vblank->enable_fake) {
 998                 if (private_output->connection == TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 999                         TDM_ERR("output disconnected");
1000                         return TDM_ERROR_OUTPUT_DISCONNECTED;
1001                 }
1002                 if (private_output->dpms != TDM_OUTPUT_DPMS_ON) {
1003                         TDM_ERR("dpms off");
1004                         return TDM_ERROR_DPMS_OFF;
1005                 }
1006         }
1007
1008         w = calloc(1, sizeof *w);
1009         if (!w) {
1010                 /* LCOV_EXCL_START */
1011
1012                 TDM_ERR("alloc failed");
1013                 return TDM_ERROR_OUT_OF_MEMORY;
1014
1015                 /* LCOV_EXCL_STOP */
1016         }
1017
1018         w->private_vblank = private_vblank;
1019         w->func = func;
1020         w->user_data = user_data;
1021
1022         LIST_ADDTAIL(&w->link, &private_vblank->wait_list);
1023
1024         clock_gettime(CLOCK_MONOTONIC, &tp);
1025         req_sec = (unsigned int)tp.tv_sec;
1026         req_usec = (unsigned int)(tp.tv_nsec / 1000);
1027
1028         w->req_id = ++private_output->req_id;
1029         w->req_time = TDM_TIME(req_sec, req_usec);
1030         w->need_free = (private_vblank->sync) ? 0 : 1;
1031
1032         wl_tdm_vblank_wait_vblank_seq(private_vblank->vblank, sequence, w->req_id, req_sec, req_usec);
1033
1034         if (private_vblank->enable_ttrace)
1035                 TDM_TRACE_ASYNC_BEGIN((int)w->req_time, "TDM_Client_Vblank:%u", private_vblank->stamp);
1036
1037         TDM_DBG("vblank(%p) sequence(%u) req_id(%d) req(%.6f)",
1038                         vblank, sequence, w->req_id, w->req_time);
1039
1040         private_vblank->req_time = w->req_time;
1041
1042         if (private_vblank->last_time >= w->req_time)
1043                 TDM_ERR("'last(%.6f) < req(%.6f)' failed", private_vblank->last_time, w->req_time);
1044
1045         if (!private_vblank->sync) {
1046                 wl_display_flush(private_client->display);
1047                 return TDM_ERROR_NONE;
1048         }
1049
1050         /* LCOV_EXCL_START */
1051
1052         while (ret != -1 && !w->need_free)
1053                 ret = wl_display_dispatch(private_client->display);
1054
1055         clock_gettime(CLOCK_MONOTONIC, &tp);
1056         TDM_DBG("block during %d us",
1057                         ((unsigned int)(tp.tv_sec * 1000000) + (unsigned int)(tp.tv_nsec / 1000))
1058                         - (req_sec * 1000000 + req_usec));
1059
1060         LIST_DEL(&w->link);
1061         free(w);
1062
1063         return TDM_ERROR_NONE;
1064
1065         /* LCOV_EXCL_STOP */
1066 }