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