src/tdm_layer.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 "tdm_private.h"
  41
  42 #define COUNT_MAX   10
  43
  44 #define LAYER_FUNC_ENTRY() \
  45         tdm_private_display *private_display; \
  46         tdm_private_output *private_output; \
  47         tdm_private_layer *private_layer; \
  48         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  49         TDM_RETURN_VAL_IF_FAIL(layer != NULL, TDM_ERROR_INVALID_PARAMETER); \
  50         private_layer = (tdm_private_layer*)layer; \
  51         private_output = private_layer->private_output; \
  52         private_display = private_output->private_display
  53
  54 #define LAYER_FUNC_ENTRY_ERROR() \
  55         tdm_private_display *private_display; \
  56         tdm_private_output *private_output; \
  57         tdm_private_layer *private_layer; \
  58         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  59         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(layer != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  60         private_layer = (tdm_private_layer*)layer; \
  61         private_output = private_layer->private_output; \
  62         private_display = private_output->private_display
  63
  64 #define LAYER_FUNC_ENTRY_VOID_RETURN() \
  65         tdm_private_display *private_display; \
  66         tdm_private_output *private_output; \
  67         tdm_private_layer *private_layer; \
  68         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  69         TDM_RETURN_IF_FAIL(layer != NULL); \
  70         private_layer = (tdm_private_layer*)layer; \
  71         private_output = private_layer->private_output; \
  72         private_display = private_output->private_display
  73
  74 static void _tdm_layer_free_buffer(tdm_private_layer *private_layer, tdm_private_layer_buffer *layer_buffer);
  75 static void _tdm_layer_cb_wait_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
  76                                                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data);
  77 static void _tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data);
  78 static void _tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data);
  79 static void _tdm_layer_cb_output_commit(tdm_output *output, unsigned int sequence,
  80                                                                                 unsigned int tv_sec, unsigned int tv_usec, void *user_data);
  81 static void _tdm_layer_reset_pending_data(tdm_private_layer *private_layer);
  82
  83 EXTERN tdm_error
  84 tdm_layer_get_capabilities(tdm_layer *layer, tdm_layer_capability *capabilities)
  85 {
  86         LAYER_FUNC_ENTRY();
  87
  88         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
  89
  90         _pthread_mutex_lock(&private_display->lock);
  91
  92         *capabilities = private_layer->caps.capabilities;
  93
  94         _pthread_mutex_unlock(&private_display->lock);
  95
  96         return ret;
  97 }
  98
  99 EXTERN tdm_error
 100 tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats, int *count)
 101 {
 102         LAYER_FUNC_ENTRY();
 103
 104         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
 105         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 106
 107         _pthread_mutex_lock(&private_display->lock);
 108
 109         *formats = (const tbm_format *)private_layer->caps.formats;
 110         *count = private_layer->caps.format_count;
 111
 112         _pthread_mutex_unlock(&private_display->lock);
 113
 114         return ret;
 115 }
 116
 117 EXTERN tdm_error
 118 tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props, int *count)
 119 {
 120         LAYER_FUNC_ENTRY();
 121
 122         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 123         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 124
 125         _pthread_mutex_lock(&private_display->lock);
 126
 127         *props = (const tdm_prop *)private_layer->caps.props;
 128         *count = private_layer->caps.prop_count;
 129
 130         _pthread_mutex_unlock(&private_display->lock);
 131
 132         return ret;
 133 }
 134
 135 EXTERN tdm_error
 136 tdm_layer_get_zpos(tdm_layer *layer, int *zpos)
 137 {
 138         LAYER_FUNC_ENTRY();
 139
 140         TDM_RETURN_VAL_IF_FAIL(zpos != NULL, TDM_ERROR_INVALID_PARAMETER);
 141
 142         _pthread_mutex_lock(&private_display->lock);
 143
 144         *zpos = private_layer->caps.zpos;
 145
 146         _pthread_mutex_unlock(&private_display->lock);
 147
 148         return ret;
 149 }
 150
 151 EXTERN tdm_error
 152 tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value)
 153 {
 154         tdm_func_layer *func_layer;
 155         LAYER_FUNC_ENTRY();
 156
 157         _pthread_mutex_lock(&private_display->lock);
 158
 159         func_layer = &private_display->func_layer;
 160
 161         if (private_layer->usable)
 162                 TDM_INFO("layer(%d) not usable", private_layer->index);
 163
 164         private_layer->usable = 0;
 165
 166         if (!func_layer->layer_set_property) {
 167                 /* LCOV_EXCL_START */
 168                 _pthread_mutex_unlock(&private_display->lock);
 169                 TDM_ERR("not implemented!!");
 170                 return TDM_ERROR_NOT_IMPLEMENTED;
 171                 /* LCOV_EXCL_STOP */
 172         }
 173
 174         ret = func_layer->layer_set_property(private_layer->layer_backend, id, value);
 175
 176         _pthread_mutex_unlock(&private_display->lock);
 177
 178         return ret;
 179 }
 180
 181 EXTERN tdm_error
 182 tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value)
 183 {
 184         tdm_func_layer *func_layer;
 185         LAYER_FUNC_ENTRY();
 186
 187         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 188
 189         _pthread_mutex_lock(&private_display->lock);
 190
 191         func_layer = &private_display->func_layer;
 192
 193         if (!func_layer->layer_get_property) {
 194                 /* LCOV_EXCL_START */
 195                 _pthread_mutex_unlock(&private_display->lock);
 196                 TDM_ERR("not implemented!!");
 197                 return TDM_ERROR_NOT_IMPLEMENTED;
 198                 /* LCOV_EXCL_SOP */
 199         }
 200
 201         ret = func_layer->layer_get_property(private_layer->layer_backend, id, value);
 202
 203         _pthread_mutex_unlock(&private_display->lock);
 204
 205         return ret;
 206 }
 207
 208 EXTERN tdm_error
 209 tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info)
 210 {
 211         tdm_func_layer *func_layer;
 212         char fmtstr[128];
 213
 214         LAYER_FUNC_ENTRY();
 215
 216         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 217
 218         _pthread_mutex_lock(&private_display->lock);
 219
 220         func_layer = &private_display->func_layer;
 221
 222         if (private_layer->usable)
 223                 TDM_INFO("layer(%p) not usable", private_layer);
 224
 225         private_layer->usable = 0;
 226
 227         if (!func_layer->layer_set_info) {
 228                 /* LCOV_EXCL_START */
 229                 _pthread_mutex_unlock(&private_display->lock);
 230                 TDM_ERR("not implemented!!");
 231                 return TDM_ERROR_NOT_IMPLEMENTED;
 232                 /* LCOV_EXCL_STOP */
 233         }
 234
 235         if (info->src_config.format)
 236                 snprintf(fmtstr, 128, "%c%c%c%c", FOURCC_STR(info->src_config.format));
 237         else
 238                 snprintf(fmtstr, 128, "NONE");
 239
 240         TDM_INFO("layer(%p) info: src(%ux%u %u,%u %ux%u %s) dst(%u,%u %ux%u) trans(%d)",
 241                          private_layer, info->src_config.size.h, info->src_config.size.v,
 242                          info->src_config.pos.x, info->src_config.pos.y,
 243                          info->src_config.pos.w, info->src_config.pos.h,
 244                          fmtstr,
 245                          info->dst_pos.x, info->dst_pos.y,
 246                          info->dst_pos.w, info->dst_pos.h,
 247                          info->transform);
 248
 249         private_layer->pending_info_changed = 1;
 250         private_layer->pending_info = *info;
 251
 252         _pthread_mutex_unlock(&private_display->lock);
 253
 254         return ret;
 255 }
 256
 257 EXTERN tdm_error
 258 tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info)
 259 {
 260         tdm_func_layer *func_layer;
 261         LAYER_FUNC_ENTRY();
 262
 263         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 264
 265         _pthread_mutex_lock(&private_display->lock);
 266
 267         func_layer = &private_display->func_layer;
 268
 269         if (!func_layer->layer_get_info) {
 270                 /* LCOV_EXCL_START */
 271                 _pthread_mutex_unlock(&private_display->lock);
 272                 TDM_ERR("not implemented!!");
 273                 return TDM_ERROR_NOT_IMPLEMENTED;
 274                 /* LCOV_EXCL_STOP */
 275         }
 276
 277         ret = func_layer->layer_get_info(private_layer->layer_backend, info);
 278
 279         _pthread_mutex_unlock(&private_display->lock);
 280
 281         return ret;
 282 }
 283
 284 /* LCOV_EXCL_START */
 285 static void
 286 _tdm_layer_dump_buffer(tdm_layer *layer, tbm_surface_h buffer)
 287 {
 288         tdm_private_layer *private_layer = (tdm_private_layer*)layer;
 289         tdm_private_output *private_output = private_layer->private_output;
 290         unsigned int pipe;
 291         char fname[TDM_PATH_LEN], bufs[TDM_PATH_LEN];
 292         int zpos, len = TDM_PATH_LEN;
 293         tdm_private_layer *l = NULL;
 294         char *p = bufs;
 295         int *remain = &len;
 296
 297         pipe = private_output->pipe;
 298         zpos = private_layer->caps.zpos;
 299
 300         bufs[0] = '\0';
 301         LIST_FOR_EACH_ENTRY(l, &private_output->layer_list, link) {
 302                 if (!l->showing_buffer)
 303                         continue;
 304                 TDM_SNPRINTF(p, remain, "_%p", l->showing_buffer->buffer);
 305         }
 306
 307         snprintf(fname, sizeof(fname), "tdm_%d_lyr_%d%s", pipe, zpos, bufs);
 308
 309         tbm_surface_internal_dump_buffer(buffer, fname);
 310         TDM_DBG("%s dump excute", fname);
 311
 312         return;
 313 }
 314 /* LCOV_EXCL_STOP */
 315
 316 static void
 317 _tdm_layer_free_buffer(tdm_private_layer *private_layer, tdm_private_layer_buffer *layer_buffer)
 318 {
 319         tdm_private_display *private_display;
 320
 321         if (!layer_buffer)
 322                 return;
 323
 324         private_display = private_layer->private_output->private_display;
 325
 326         LIST_DEL(&layer_buffer->link);
 327         if (layer_buffer->buffer) {
 328                 _pthread_mutex_unlock(&private_display->lock);
 329                 tdm_buffer_unref_backend(layer_buffer->buffer);
 330                 if (private_layer->buffer_queue)
 331                         tbm_surface_queue_release(private_layer->buffer_queue, layer_buffer->buffer);
 332                 _pthread_mutex_lock(&private_display->lock);
 333         }
 334         free(layer_buffer);
 335 }
 336
 337 static void
 338 _tdm_layer_free_all_buffers(tdm_private_layer *private_layer)
 339 {
 340         tdm_private_output *private_output = private_layer->private_output;
 341         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 342         struct list_head clone_list;
 343
 344         LIST_INITHEAD(&clone_list);
 345
 346         _tdm_layer_reset_pending_data(private_layer);
 347
 348         if (private_layer->waiting_buffer) {
 349                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
 350                 private_layer->waiting_buffer = NULL;
 351
 352                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 353                         TDM_INFO("layer(%p) waiting_buffer(%p)",
 354                                          private_layer, private_layer->waiting_buffer);
 355         }
 356
 357         if (private_layer->committed_buffer) {
 358                 _tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
 359                 private_layer->committed_buffer = NULL;
 360
 361                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 362                         TDM_INFO("layer(%p) committed_buffer(%p)",
 363                                          private_layer, private_layer->committed_buffer);
 364         }
 365
 366         if (private_layer->showing_buffer) {
 367                 _tdm_layer_free_buffer(private_layer, private_layer->showing_buffer);
 368                 private_layer->showing_buffer = NULL;
 369
 370                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 371                         TDM_INFO("layer(%p) showing_buffer(%p)",
 372                                          private_layer, private_layer->showing_buffer);
 373         }
 374
 375         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 376                 if (lm->private_layer != private_layer)
 377                         continue;
 378                 LIST_DEL(&lm->link);
 379                 LIST_ADDTAIL(&lm->link, &clone_list);
 380         }
 381
 382         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 383                 LIST_DEL(&lm->link);
 384                 tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
 385                 _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
 386                 free(lm);
 387         }
 388
 389         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 390                 if (lm->private_layer != private_layer)
 391                         continue;
 392                 LIST_DEL(&lm->link);
 393                 LIST_ADDTAIL(&lm->link, &clone_list);
 394         }
 395
 396         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 397                 LIST_DEL(&lm->link);
 398                 _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
 399                 free(lm);
 400         }
 401
 402         if (private_layer->buffer_queue) {
 403                 tbm_surface_queue_remove_acquirable_cb(private_layer->buffer_queue, _tbm_layer_queue_acquirable_cb, private_layer);
 404                 tbm_surface_queue_remove_destroy_cb(private_layer->buffer_queue, _tbm_layer_queue_destroy_cb, private_layer);
 405                 private_layer->buffer_queue = NULL;
 406         }
 407 }
 408
 409 EXTERN tdm_error
 410 tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer)
 411 {
 412         tdm_func_layer *func_layer;
 413
 414         LAYER_FUNC_ENTRY();
 415
 416         TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 417
 418         _pthread_mutex_lock(&private_display->lock);
 419
 420         /* LCOV_EXCL_START */
 421         /* dump buffer */
 422         if (tdm_dump_enable && !(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO))
 423                 _tdm_layer_dump_buffer(private_layer, buffer);
 424
 425         if (tdm_debug_dump & TDM_DUMP_FLAG_LAYER &&
 426                 !(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
 427                 char str[TDM_PATH_LEN];
 428                 static int i;
 429                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d_%03d",
 430                                  private_output->index, private_layer->index, i++);
 431                 tdm_helper_dump_buffer_str(buffer, tdm_debug_dump_dir, str);
 432         }
 433         /* LCOV_EXCL_STOP */
 434
 435         func_layer = &private_display->func_layer;
 436
 437         if (private_layer->usable)
 438                 TDM_INFO("layer(%p) not usable", private_layer);
 439
 440         private_layer->usable = 0;
 441
 442         if (!func_layer->layer_set_buffer) {
 443                 /* LCOV_EXCL_START */
 444                 _pthread_mutex_unlock(&private_display->lock);
 445                 TDM_ERR("not implemented!!");
 446                 return TDM_ERROR_NOT_IMPLEMENTED;
 447                 /* LCOV_EXCL_START */
 448         }
 449
 450         private_layer->pending_buffer_changed = 1;
 451
 452         if (private_layer->pending_buffer) {
 453
 454                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 455                         TDM_INFO("layer(%p) pending_buffer(%p) skipped",
 456                                          private_layer, private_layer->pending_buffer);
 457
 458                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 459                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->pending_buffer, 0);
 460                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 461                 }
 462
 463                 tbm_surface_internal_unref(private_layer->pending_buffer);
 464         }
 465
 466         tbm_surface_internal_ref(buffer);
 467         private_layer->pending_buffer = buffer;
 468
 469         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 470                 TDM_INFO("layer(%p) pending_buffer(%p)",
 471                                  private_layer, private_layer->pending_buffer);
 472
 473         if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 474                 tbm_bo bo = tbm_surface_internal_get_bo(private_layer->pending_buffer, 0);
 475                 TDM_TRACE_ASYNC_BEGIN((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 476         }
 477
 478         _pthread_mutex_unlock(&private_display->lock);
 479
 480         return ret;
 481 }
 482
 483 EXTERN tdm_error
 484 tdm_layer_unset_buffer(tdm_layer *layer)
 485 {
 486         tdm_func_layer *func_layer;
 487         LAYER_FUNC_ENTRY();
 488
 489         _pthread_mutex_lock(&private_display->lock);
 490
 491         func_layer = &private_display->func_layer;
 492
 493         _tdm_layer_free_all_buffers(private_layer);
 494
 495         private_layer->usable = 1;
 496
 497         if (private_layer->usable)
 498                 TDM_INFO("layer(%p) now usable", private_layer);
 499
 500         if (!func_layer->layer_unset_buffer) {
 501                 /* LCOV_EXCL_START */
 502                 _pthread_mutex_unlock(&private_display->lock);
 503                 TDM_ERR("not implemented!!");
 504                 return TDM_ERROR_NOT_IMPLEMENTED;
 505                 /* LCOV_EXCL_START */
 506         }
 507
 508         ret = func_layer->layer_unset_buffer(private_layer->layer_backend);
 509         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 510
 511         _pthread_mutex_unlock(&private_display->lock);
 512
 513         return ret;
 514 }
 515
 516 INTERN void
 517 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer)
 518 {
 519         tdm_private_output *private_output = private_layer->private_output;
 520         tdm_private_display *private_display = private_output->private_display;
 521
 522         /* LCOV_EXCL_START */
 523         if (private_display->print_fps) {
 524                 double curr = tdm_helper_get_time();
 525                 if (private_layer->fps_stamp == 0) {
 526                         private_layer->fps_stamp = curr;
 527                 } else if ((curr - private_layer->fps_stamp) > 1.0) {
 528                         TDM_INFO("output(%d) layer(%d) fps: %d", private_output->index, private_layer->index, private_layer->fps_count);
 529                         private_layer->fps_count = 0;
 530                         private_layer->fps_stamp = curr;
 531                 } else
 532                         private_layer->fps_count++;
 533         } else if (private_layer->fps_stamp != 0) {
 534                 private_layer->fps_stamp = 0;
 535                 private_layer->fps_count = 0;
 536         }
 537         /* LCOV_EXCL_STOP */
 538
 539         if (private_layer->showing_buffer) {
 540                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 541                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->showing_buffer->buffer, 0);
 542                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 543                 }
 544
 545                 _tdm_layer_free_buffer(private_layer, private_layer->showing_buffer);
 546         }
 547
 548         private_layer->showing_buffer = *committed_buffer;
 549         *committed_buffer = NULL;
 550
 551         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 552                 TDM_INFO("layer(%p) committed_buffer(%p) showing_buffer(%p)",
 553                                  private_layer, *committed_buffer,
 554                                  (private_layer->showing_buffer) ? private_layer->showing_buffer->buffer : NULL);
 555 }
 556
 557 static void
 558 _tdm_layer_got_output_vblank(tdm_private_output *private_output, unsigned int sequence,
 559                                                          unsigned int tv_sec, unsigned int tv_usec)
 560 {
 561         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 562         tdm_private_display *private_display;
 563         struct list_head clone_list, pending_clone_list;
 564         tdm_error ret = TDM_ERROR_NONE;
 565
 566         private_display = private_output->private_display;
 567
 568         private_output->layer_waiting_vblank = 0;
 569
 570         LIST_INITHEAD(&clone_list);
 571         LIST_INITHEAD(&pending_clone_list);
 572
 573         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 574                 LIST_DEL(&lm->link);
 575                 lm->private_layer->committing = 0;
 576                 LIST_ADDTAIL(&lm->link, &clone_list);
 577         }
 578
 579         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 580                 LIST_DEL(&lm->link);
 581                 lm->private_layer->committing = 0;
 582                 LIST_ADDTAIL(&lm->link, &pending_clone_list);
 583         }
 584
 585         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 586                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 587                         TDM_INFO("layer(%p) committed. handle(%p) commited_buffer(%p)",
 588                                          lm->private_layer, lm, (lm->committed_buffer) ? lm->committed_buffer->buffer : NULL);
 589
 590                 LIST_DEL(&lm->link);
 591                 tdm_layer_committed(lm->private_layer, &lm->committed_buffer);
 592                 _pthread_mutex_unlock(&private_display->lock);
 593                 if (lm->func)
 594                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 595                 _pthread_mutex_lock(&private_display->lock);
 596                 if (lm->committed_buffer)
 597                         _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 598                 free(lm);
 599         }
 600
 601         if (LIST_IS_EMPTY(&pending_clone_list))
 602                 return;
 603
 604         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, wait_failed);
 605
 606         ret = tdm_output_commit_internal(private_output, 0, NULL, NULL);
 607         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 608
 609         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 610                 TDM_INFO("layer commit: output(%d) commit", private_output->pipe);
 611
 612         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 613                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 614                 if (!private_output->layer_waiting_vblank) {
 615                         _pthread_mutex_unlock(&private_display->lock);
 616                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 617                         _pthread_mutex_lock(&private_display->lock);
 618                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 619                         private_output->layer_waiting_vblank = 1;
 620                 }
 621         }
 622
 623         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 624                 TDM_INFO("layer commit: output(%d) wait vblank", private_output->pipe);
 625
 626         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 627                 LIST_DEL(&lm->link);
 628                 LIST_ADDTAIL(&lm->link, &private_output->layer_commit_handler_list);
 629         }
 630
 631         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 632                 TDM_WRN("dpms %s. Directly call vblank callback.", tdm_dpms_str(private_output->current_dpms_value));
 633                 _pthread_mutex_unlock(&private_display->lock);
 634                 _tdm_layer_cb_wait_vblank(private_output->vblank, 0, 0, 0, 0, private_output);
 635                 _pthread_mutex_lock(&private_display->lock);
 636         }
 637
 638         return;
 639 wait_failed:
 640         /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 641          * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 642          * the layer commit handler MUST be called.
 643          */
 644         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 645                 TDM_WRN("Directly call layer commit handlers: ret(%d)\n", ret);
 646                 LIST_DEL(&lm->link);
 647                 _pthread_mutex_unlock(&private_display->lock);
 648                 if (lm->func)
 649                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 650                 _pthread_mutex_lock(&private_display->lock);
 651                 _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 652                 free(lm);
 653         }
 654
 655         return;
 656 }
 657
 658 static void
 659 _tdm_layer_cb_output_commit(tdm_output *output, unsigned int sequence,
 660                                                         unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 661 {
 662         tdm_private_layer_commit_handler *layer_commit_handler = user_data;
 663         tdm_private_layer_commit_handler *lm = NULL;
 664         tdm_private_display *private_display;
 665         tdm_private_output *private_output = output;
 666         tdm_private_layer *private_layer;
 667         int found = 0;
 668
 669         TDM_RETURN_IF_FAIL(layer_commit_handler != NULL);
 670
 671         private_display = private_output->private_display;
 672
 673         LIST_FOR_EACH_ENTRY(lm, &private_output->layer_commit_handler_list, link) {
 674                 if (layer_commit_handler == lm) {
 675                         found = 1;
 676                         break;
 677                 }
 678         }
 679
 680         if (!found)
 681                 return;
 682
 683         LIST_DEL(&layer_commit_handler->link);
 684
 685         private_layer = layer_commit_handler->private_layer;
 686
 687         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 688                 TDM_INFO("layer(%p) commit: output(%d) committed. handle(%p)",
 689                                  private_layer, private_output->pipe, layer_commit_handler);
 690
 691         _pthread_mutex_lock(&private_display->lock);
 692
 693         tdm_layer_committed(private_layer, &layer_commit_handler->committed_buffer);
 694
 695         if (layer_commit_handler->func) {
 696                 _pthread_mutex_unlock(&private_display->lock);
 697                 layer_commit_handler->func(private_output, sequence,
 698                                                                    tv_sec, tv_usec, layer_commit_handler->user_data);
 699                 _pthread_mutex_lock(&private_display->lock);
 700         }
 701
 702         free(layer_commit_handler);
 703
 704         _pthread_mutex_unlock(&private_display->lock);
 705 }
 706
 707 static void
 708 _tdm_layer_cb_wait_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 709                                                   unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 710 {
 711         tdm_private_output *private_output = user_data;
 712         tdm_private_display *private_display;
 713
 714         TDM_RETURN_IF_FAIL(private_output != NULL);
 715
 716         private_display = private_output->private_display;
 717
 718         _pthread_mutex_lock(&private_display->lock);
 719
 720         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 721                 TDM_INFO("layer commit: output(%d) got vblank", private_output->pipe);
 722
 723         _tdm_layer_got_output_vblank(private_output, sequence, tv_sec, tv_usec);
 724
 725         _pthread_mutex_unlock(&private_display->lock);
 726 }
 727
 728 static unsigned int
 729 _tdm_lauer_get_output_used_layer_count(tdm_private_output *private_output)
 730 {
 731         tdm_private_layer *private_layer = NULL;
 732         unsigned int count = 0;
 733
 734         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 735                 if (!private_layer->usable)
 736                         count++;
 737         }
 738
 739         return count;
 740 }
 741
 742 /* commit_per_vblank == 1: we can commit if
 743  *                           - there is no previous commit request
 744  *                           - only 1 layer is used
 745  * commit_per_vblank == 2: we can commit if
 746  *                           - there is no previous commit request
 747  */
 748 static int
 749 _tdm_layer_commit_possible(tdm_private_layer *private_layer)
 750 {
 751         tdm_private_output *private_output = private_layer->private_output;
 752
 753         TDM_RETURN_VAL_IF_FAIL(private_output->commit_per_vblank > 0, 1);
 754
 755         /* There is a previous commit request which is not done and displayed on screen yet.
 756          * We can't commit at this time.
 757          */
 758         if (!LIST_IS_EMPTY(&private_output->layer_commit_handler_list)) {
 759                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 760                         TDM_INFO("layer(%p) commit: not possible(previous commit)", private_layer);
 761                 return 0;
 762         }
 763
 764         if (private_output->commit_per_vblank == 1 && _tdm_lauer_get_output_used_layer_count(private_output) > 1) {
 765                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 766                         TDM_INFO("layer(%p) commit: not possible(more than 2 layers)", private_layer);
 767                 return 0;
 768         }
 769
 770         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 771                 TDM_INFO("layer(%p) commit: possible", private_layer);
 772
 773         return 1;
 774 }
 775
 776 static void
 777 _tdm_layer_reset_pending_data(tdm_private_layer *private_layer)
 778 {
 779         private_layer->pending_info_changed = 0;
 780         memset(&private_layer->pending_info, 0, sizeof private_layer->pending_info);
 781
 782         private_layer->pending_buffer_changed = 0;
 783         if (private_layer->pending_buffer) {
 784                 tbm_surface_internal_unref(private_layer->pending_buffer);
 785                 private_layer->pending_buffer = NULL;
 786         }
 787 }
 788
 789 INTERN tdm_error
 790 tdm_layer_commit_pending_data(tdm_private_layer *private_layer)
 791 {
 792         tdm_private_output *private_output = private_layer->private_output;
 793         tdm_private_display *private_display = private_output->private_display;
 794         tdm_func_layer *func_layer;
 795         tdm_error ret = TDM_ERROR_NONE;
 796
 797         func_layer = &private_display->func_layer;
 798
 799         if (private_layer->pending_info_changed) {
 800                 ret = func_layer->layer_set_info(private_layer->layer_backend, &private_layer->pending_info);
 801                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, done);
 802         }
 803
 804         if (private_layer->pending_buffer_changed) {
 805                 tdm_private_layer_buffer *layer_buffer;
 806
 807                 layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
 808                 TDM_GOTO_IF_FAIL(layer_buffer != NULL, done);
 809
 810                 LIST_INITHEAD(&layer_buffer->link);
 811
 812                 ret = func_layer->layer_set_buffer(private_layer->layer_backend, private_layer->pending_buffer);
 813                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 814
 815                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 816                         TDM_INFO("layer(%p) pending_buffer(%p) committed",
 817                                          private_layer, private_layer->pending_buffer);
 818
 819                 if (ret == TDM_ERROR_NONE) {
 820                         if (private_layer->waiting_buffer)
 821                                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
 822
 823                         private_layer->waiting_buffer = layer_buffer;
 824                         private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(private_layer->pending_buffer);
 825                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 826                                 TDM_INFO("layer(%p) waiting_buffer(%p)",
 827                                                  private_layer, private_layer->waiting_buffer->buffer);
 828                 } else
 829                         _tdm_layer_free_buffer(private_layer, layer_buffer);
 830         }
 831
 832 done:
 833         _tdm_layer_reset_pending_data(private_layer);
 834
 835         return ret;
 836 }
 837
 838 /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 839  * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 840  * the layer commit handler MUST be called.
 841  */
 842 static tdm_error
 843 _tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 844 {
 845         tdm_private_layer_commit_handler *layer_commit_handler;
 846         LAYER_FUNC_ENTRY();
 847
 848         layer_commit_handler = calloc(1, sizeof(tdm_private_layer_commit_handler));
 849         if (!layer_commit_handler) {
 850                 /* LCOV_EXCL_START */
 851                 TDM_ERR("failed: alloc memory");
 852                 return TDM_ERROR_OUT_OF_MEMORY;
 853                 /* LCOV_EXCL_STOP */
 854         }
 855
 856         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 857                 TDM_INFO("layer(%p) commit: handle(%p)", private_layer, layer_commit_handler);
 858
 859         LIST_INITHEAD(&layer_commit_handler->link);
 860         layer_commit_handler->private_layer = private_layer;
 861         layer_commit_handler->func = func;
 862         layer_commit_handler->user_data = user_data;
 863
 864         layer_commit_handler->committed_buffer = private_layer->waiting_buffer;
 865         private_layer->waiting_buffer = NULL;
 866
 867         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 868                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 869                                  private_layer, private_layer->waiting_buffer,
 870                                  (layer_commit_handler->committed_buffer) ? layer_commit_handler->committed_buffer->buffer : NULL);
 871
 872         if (!private_output->commit_per_vblank) {
 873                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT, commit_failed);
 874
 875                 LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 876                 ret = tdm_output_commit_internal(private_layer->private_output, 0, _tdm_layer_cb_output_commit, layer_commit_handler);
 877                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 878
 879                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 880                         TDM_INFO("layer(%p) commit: no commit-per-vblank", private_layer);
 881         } else {
 882                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_LAYER, commit_failed);
 883
 884                 if (private_layer->committing)
 885                         TDM_WRN("layer(%d) too many commit", private_layer->index);
 886                 else
 887                         private_layer->committing = 1;
 888
 889                 if (_tdm_layer_commit_possible(private_layer)) {
 890                         /* add to layer_commit_handler_list */
 891                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 892                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
 893                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 894
 895                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 896                                 TDM_INFO("layer(%p) commit: output", private_layer);
 897                 } else {
 898                         /* add to pending_commit_handler_list. It will be commited when a vblank occurs */
 899                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->pending_commit_handler_list);
 900
 901                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 902                                 TDM_INFO("layer(%p) commit: pending", private_layer);
 903                 }
 904
 905                 if (!private_output->vblank) {
 906                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 907                         _pthread_mutex_unlock(&private_display->lock);
 908                         private_output->vblank = tdm_vblank_create(private_display, private_output, NULL);
 909                         _pthread_mutex_lock(&private_display->lock);
 910                         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, commit_failed);
 911                 }
 912
 913                 if (!private_output->layer_waiting_vblank) {
 914                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 915                         _pthread_mutex_unlock(&private_display->lock);
 916                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 917                         _pthread_mutex_lock(&private_display->lock);
 918                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 919                         private_output->layer_waiting_vblank = 1;
 920
 921                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 922                                 TDM_INFO("layer(%p) commit: wait vblank", private_layer);
 923                 }
 924         }
 925
 926         return ret;
 927
 928 commit_failed:
 929         if (layer_commit_handler) {
 930                 private_layer->waiting_buffer = layer_commit_handler->committed_buffer;
 931                 LIST_DEL(&layer_commit_handler->link);
 932                 free(layer_commit_handler);
 933         }
 934         return ret;
 935 }
 936
 937 EXTERN tdm_error
 938 tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 939 {
 940         LAYER_FUNC_ENTRY();
 941
 942         _pthread_mutex_lock(&private_display->lock);
 943
 944         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE) {
 945                 if (!private_output->commit_per_vblank)
 946                         private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
 947                 else
 948                         private_output->commit_type = TDM_COMMIT_TYPE_LAYER;
 949         }
 950
 951         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 952                 TDM_ERR("layer(%p)'s output(%d) dpms: %s", layer, private_output->pipe,
 953                                 tdm_dpms_str(private_output->current_dpms_value));
 954                 _pthread_mutex_unlock(&private_display->lock);
 955                 return TDM_ERROR_DPMS_OFF;
 956         }
 957
 958         /* don't call this inside of _tdm_layer_commit */
 959         ret = tdm_layer_commit_pending_data(private_layer);
 960         if (ret != TDM_ERROR_NONE) {
 961                 TDM_ERR("layer(%p) committing pending data failed", layer);
 962                 _pthread_mutex_unlock(&private_display->lock);
 963                 return ret;
 964         }
 965
 966         ret = _tdm_layer_commit(private_layer, func, user_data);
 967
 968         _pthread_mutex_unlock(&private_display->lock);
 969
 970         return ret;
 971 }
 972
 973 EXTERN tdm_error
 974 tdm_layer_is_committing(tdm_layer *layer, unsigned int *committing)
 975 {
 976         LAYER_FUNC_ENTRY();
 977
 978         TDM_RETURN_VAL_IF_FAIL(committing != NULL, TDM_ERROR_INVALID_PARAMETER);
 979
 980         _pthread_mutex_lock(&private_display->lock);
 981
 982         *committing = private_layer->committing;
 983
 984         _pthread_mutex_unlock(&private_display->lock);
 985
 986         return ret;
 987 }
 988
 989 INTERN void
 990 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 991 {
 992         tdm_private_layer *private_layer = (tdm_private_layer*)layer;
 993         tdm_private_output *private_output = private_layer->private_output;
 994         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 995
 996         TDM_RETURN_IF_FAIL(private_layer != NULL);
 997         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 998
 999         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
1000                 if (lm->func == func && lm->user_data == user_data) {
1001                         LIST_DEL(&lm->link);
1002                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1003                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1004                         free(lm);
1005                         break;
1006                 }
1007         }
1008
1009         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
1010                 if (lm->func == func && lm->user_data == user_data) {
1011                         LIST_DEL(&lm->link);
1012                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1013                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1014                         free(lm);
1015                         break;
1016                 }
1017         }
1018 }
1019
1020 EXTERN tdm_error
1021 tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1022 {
1023         LAYER_FUNC_ENTRY();
1024
1025         _pthread_mutex_lock(&private_display->lock);
1026
1027         tdm_layer_remove_commit_handler_internal(layer, func, user_data);
1028
1029         _pthread_mutex_unlock(&private_display->lock);
1030
1031         return ret;
1032 }
1033
1034 EXTERN tbm_surface_h
1035 tdm_layer_get_displaying_buffer(tdm_layer *layer, tdm_error *error)
1036 {
1037         tbm_surface_h buffer;
1038         LAYER_FUNC_ENTRY_ERROR();
1039
1040         _pthread_mutex_lock(&private_display->lock);
1041
1042         if (error)
1043                 *error = TDM_ERROR_NONE;
1044
1045         if (private_layer->showing_buffer) {
1046                 buffer = private_layer->showing_buffer->buffer;
1047         } else {
1048                 if (error)
1049                         *error = TDM_ERROR_OPERATION_FAILED;
1050                 _pthread_mutex_unlock(&private_display->lock);
1051                 TDM_DBG("layer(%p) showing_buffer is null", private_layer);
1052                 return NULL;
1053         }
1054         _pthread_mutex_unlock(&private_display->lock);
1055
1056         return buffer;
1057 }
1058
1059 static void
1060 _tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data)
1061 {
1062         TDM_RETURN_IF_FAIL(data != NULL);
1063         tdm_layer *layer = data;
1064         tdm_func_layer *func_layer;
1065         tbm_surface_h surface = NULL;
1066         tdm_private_layer_buffer *layer_buffer;
1067         LAYER_FUNC_ENTRY_VOID_RETURN();
1068
1069         _pthread_mutex_lock(&private_display->lock);
1070
1071         func_layer = &private_display->func_layer;
1072         if (!func_layer->layer_set_buffer) {
1073                 /* LCOV_EXCL_START */
1074                 _pthread_mutex_unlock(&private_display->lock);
1075                 return;
1076                 /* LCOV_EXCL_STOP */
1077         }
1078
1079         layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
1080         if (!layer_buffer) {
1081                 /* LCOV_EXCL_START */
1082                 _pthread_mutex_unlock(&private_display->lock);
1083                 TDM_ERR("alloc failed");
1084                 return;
1085                 /* LCOV_EXCL_STOP */
1086         }
1087         LIST_INITHEAD(&layer_buffer->link);
1088
1089         if (TBM_SURFACE_QUEUE_ERROR_NONE != tbm_surface_queue_acquire(private_layer->buffer_queue, &surface) ||
1090                 surface == NULL) {
1091                 /* LCOV_EXCL_START */
1092                 TDM_ERR("layer(%p) tbm_surface_queue_acquire() failed surface:%p",
1093                                 private_layer, surface);
1094                 _pthread_mutex_unlock(&private_display->lock);
1095                 free(layer_buffer);
1096                 return;
1097                 /* LCOV_EXCL_STOP */
1098         }
1099
1100         /* we don't need to handle pending data here because the changes in this function
1101          * should be applied immediately. we can't expect calling tdm_layer_commit.
1102          */
1103         ret = func_layer->layer_set_buffer(private_layer->layer_backend, surface);
1104         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1105
1106         if (ret == TDM_ERROR_NONE) {
1107                 if (private_layer->waiting_buffer) {
1108                         TDM_DBG("layer(%p) drop waiting_buffer(%p)", private_layer, private_layer->waiting_buffer->buffer);
1109                         _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1110                 }
1111
1112                 private_layer->waiting_buffer = layer_buffer;
1113                 private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(surface);
1114
1115                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1116                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1117                                          private_layer, private_layer->waiting_buffer->buffer);
1118
1119                 if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
1120                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
1121                         if (ret != TDM_ERROR_NONE)
1122                                 TDM_ERR("tdm_output_commit_internal() is fail");
1123                 } else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1124                         ret = _tdm_layer_commit(private_layer, NULL, NULL);
1125                         if (ret != TDM_ERROR_NONE)
1126                                 TDM_ERR("layer(%p) _tdm_layer_commit() is fail", private_layer);
1127                 } else {
1128                         TDM_NEVER_GET_HERE();
1129                 }
1130         } else
1131                 _tdm_layer_free_buffer(private_layer, layer_buffer);
1132
1133         _pthread_mutex_unlock(&private_display->lock);
1134 }
1135
1136 static void
1137 _tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data)
1138 {
1139         TDM_RETURN_IF_FAIL(data != NULL);
1140         tdm_layer *layer = data;
1141         LAYER_FUNC_ENTRY_VOID_RETURN();
1142         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1143
1144         _pthread_mutex_lock(&private_display->lock);
1145
1146         private_layer->buffer_queue = NULL;
1147
1148         _tdm_layer_free_all_buffers(private_layer);
1149
1150         _pthread_mutex_unlock(&private_display->lock);
1151 }
1152
1153 EXTERN tdm_error
1154 tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue)
1155 {
1156         tdm_func_layer *func_layer;
1157         LAYER_FUNC_ENTRY();
1158
1159         TDM_RETURN_VAL_IF_FAIL(buffer_queue != NULL, TDM_ERROR_INVALID_PARAMETER);
1160
1161         _pthread_mutex_lock(&private_display->lock);
1162
1163         func_layer = &private_display->func_layer;
1164
1165         if (private_layer->usable)
1166                 TDM_INFO("layer(%p) not usable", private_layer);
1167
1168         private_layer->usable = 0;
1169
1170         if (!func_layer->layer_set_buffer) {
1171                 /* LCOV_EXCL_START */
1172                 _pthread_mutex_unlock(&private_display->lock);
1173                 TDM_ERR("not implemented!!");
1174                 return TDM_ERROR_NOT_IMPLEMENTED;
1175                 /* LCOV_EXCL_STOP */
1176         }
1177
1178         if (buffer_queue == private_layer->buffer_queue) {
1179                 _pthread_mutex_unlock(&private_display->lock);
1180                 return TDM_ERROR_NONE;
1181         }
1182
1183         if (private_layer->waiting_buffer) {
1184                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1185                 private_layer->waiting_buffer = NULL;
1186
1187                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1188                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1189                                          private_layer, private_layer->waiting_buffer);
1190         }
1191
1192         private_layer->buffer_queue = buffer_queue;
1193         tbm_surface_queue_add_acquirable_cb(private_layer->buffer_queue,
1194                                                                                 _tbm_layer_queue_acquirable_cb,
1195                                                                                 private_layer);
1196         tbm_surface_queue_add_destroy_cb(private_layer->buffer_queue,
1197                                                                          _tbm_layer_queue_destroy_cb,
1198                                                                          private_layer);
1199         _pthread_mutex_unlock(&private_display->lock);
1200
1201         return ret;
1202 }
1203
1204 EXTERN tdm_error
1205 tdm_layer_unset_buffer_queue(tdm_layer *layer)
1206 {
1207         return tdm_layer_unset_buffer(layer);
1208 }
1209
1210 EXTERN tdm_error
1211 tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable)
1212 {
1213         LAYER_FUNC_ENTRY();
1214
1215         TDM_RETURN_VAL_IF_FAIL(usable != NULL, TDM_ERROR_INVALID_PARAMETER);
1216
1217         _pthread_mutex_lock(&private_display->lock);
1218
1219         *usable = private_layer->usable;
1220
1221         _pthread_mutex_unlock(&private_display->lock);
1222
1223         return ret;
1224 }
1225
1226 EXTERN tdm_error
1227 tdm_layer_set_video_pos(tdm_layer *layer, int zpos)
1228 {
1229         tdm_func_layer *func_layer;
1230         LAYER_FUNC_ENTRY();
1231
1232         _pthread_mutex_lock(&private_display->lock);
1233
1234         func_layer = &private_display->func_layer;
1235
1236         if (!(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
1237                 TDM_ERR("layer(%p) is not video layer", private_layer);
1238                 _pthread_mutex_unlock(&private_display->lock);
1239                 return TDM_ERROR_INVALID_PARAMETER;
1240         }
1241
1242         if (!func_layer->layer_set_video_pos) {
1243                 /* LCOV_EXCL_START */
1244                 _pthread_mutex_unlock(&private_display->lock);
1245                 TDM_ERR("not implemented!!");
1246                 return TDM_ERROR_NOT_IMPLEMENTED;
1247                 /* LCOV_EXCL_STOP */
1248         }
1249
1250         ret = func_layer->layer_set_video_pos(private_layer->layer_backend, zpos);
1251
1252         _pthread_mutex_unlock(&private_display->lock);
1253
1254         return ret;
1255 }
1256
1257 EXTERN tdm_capture *
1258 tdm_layer_create_capture(tdm_layer *layer, tdm_error *error)
1259 {
1260         tdm_capture *capture = NULL;
1261
1262         LAYER_FUNC_ENTRY_ERROR();
1263
1264         _pthread_mutex_lock(&private_display->lock);
1265
1266         capture = (tdm_capture *)tdm_capture_create_layer_internal(private_layer, error);
1267
1268         _pthread_mutex_unlock(&private_display->lock);
1269
1270         return capture;
1271 }
1272
1273 EXTERN tdm_error
1274 tdm_layer_get_buffer_flags(tdm_layer *layer, unsigned int *flags)
1275 {
1276         tdm_func_layer *func_layer;
1277         LAYER_FUNC_ENTRY();
1278         TDM_RETURN_VAL_IF_FAIL(flags != NULL, TDM_ERROR_INVALID_PARAMETER);
1279
1280         _pthread_mutex_lock(&private_display->lock);
1281
1282         func_layer = &private_display->func_layer;
1283
1284         if (!func_layer->layer_get_buffer_flags) {
1285                 /* LCOV_EXCL_START */
1286                 _pthread_mutex_unlock(&private_display->lock);
1287                 TDM_ERR("not implemented!!");
1288                 return TDM_ERROR_NOT_IMPLEMENTED;
1289                 /* LCOV_EXCL_STOP */
1290         }
1291
1292         ret = func_layer->layer_get_buffer_flags(private_layer->layer_backend, flags);
1293
1294         _pthread_mutex_unlock(&private_display->lock);
1295
1296         return ret;
1297 }