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_output*
  84 tdm_layer_get_output(tdm_layer *layer, tdm_error *error)
  85 {
  86         tdm_output *output;
  87
  88         LAYER_FUNC_ENTRY_ERROR();
  89
  90         _pthread_mutex_lock(&private_display->lock);
  91
  92         if (error)
  93                 *error = TDM_ERROR_NONE;
  94
  95         output = private_layer->private_output;
  96
  97         _pthread_mutex_unlock(&private_display->lock);
  98
  99         return output;
 100 }
 101
 102 EXTERN tdm_error
 103 tdm_layer_get_capabilities(tdm_layer *layer, tdm_layer_capability *capabilities)
 104 {
 105         LAYER_FUNC_ENTRY();
 106
 107         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 108
 109         _pthread_mutex_lock(&private_display->lock);
 110
 111         *capabilities = private_layer->caps.capabilities;
 112
 113         _pthread_mutex_unlock(&private_display->lock);
 114
 115         return ret;
 116 }
 117
 118 EXTERN tdm_error
 119 tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats, int *count)
 120 {
 121         LAYER_FUNC_ENTRY();
 122
 123         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
 124         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 125
 126         _pthread_mutex_lock(&private_display->lock);
 127
 128         *formats = (const tbm_format *)private_layer->caps.formats;
 129         *count = private_layer->caps.format_count;
 130
 131         _pthread_mutex_unlock(&private_display->lock);
 132
 133         return ret;
 134 }
 135
 136 EXTERN tdm_error
 137 tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props, int *count)
 138 {
 139         LAYER_FUNC_ENTRY();
 140
 141         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 142         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 143
 144         _pthread_mutex_lock(&private_display->lock);
 145
 146         *props = (const tdm_prop *)private_layer->caps.props;
 147         *count = private_layer->caps.prop_count;
 148
 149         _pthread_mutex_unlock(&private_display->lock);
 150
 151         return ret;
 152 }
 153
 154 EXTERN tdm_error
 155 tdm_layer_get_zpos(tdm_layer *layer, int *zpos)
 156 {
 157         LAYER_FUNC_ENTRY();
 158
 159         TDM_RETURN_VAL_IF_FAIL(zpos != NULL, TDM_ERROR_INVALID_PARAMETER);
 160
 161         _pthread_mutex_lock(&private_display->lock);
 162
 163         *zpos = private_layer->caps.zpos;
 164
 165         _pthread_mutex_unlock(&private_display->lock);
 166
 167         return ret;
 168 }
 169
 170 EXTERN tdm_error
 171 tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value)
 172 {
 173         tdm_func_layer *func_layer;
 174         LAYER_FUNC_ENTRY();
 175
 176         _pthread_mutex_lock(&private_display->lock);
 177
 178         func_layer = &private_display->func_layer;
 179
 180         if (private_layer->usable)
 181                 TDM_INFO("layer(%d) not usable", private_layer->index);
 182
 183         private_layer->usable = 0;
 184
 185         if (!func_layer->layer_set_property) {
 186                 /* LCOV_EXCL_START */
 187                 _pthread_mutex_unlock(&private_display->lock);
 188                 TDM_ERR("not implemented!!");
 189                 return TDM_ERROR_NOT_IMPLEMENTED;
 190                 /* LCOV_EXCL_STOP */
 191         }
 192
 193         ret = func_layer->layer_set_property(private_layer->layer_backend, id, value);
 194
 195         _pthread_mutex_unlock(&private_display->lock);
 196
 197         return ret;
 198 }
 199
 200 EXTERN tdm_error
 201 tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value)
 202 {
 203         tdm_func_layer *func_layer;
 204         LAYER_FUNC_ENTRY();
 205
 206         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 207
 208         _pthread_mutex_lock(&private_display->lock);
 209
 210         func_layer = &private_display->func_layer;
 211
 212         if (!func_layer->layer_get_property) {
 213                 /* LCOV_EXCL_START */
 214                 _pthread_mutex_unlock(&private_display->lock);
 215                 TDM_ERR("not implemented!!");
 216                 return TDM_ERROR_NOT_IMPLEMENTED;
 217                 /* LCOV_EXCL_SOP */
 218         }
 219
 220         ret = func_layer->layer_get_property(private_layer->layer_backend, id, value);
 221
 222         _pthread_mutex_unlock(&private_display->lock);
 223
 224         return ret;
 225 }
 226
 227 INTERN tdm_error
 228 tdm_layer_set_info_internal(tdm_private_layer *private_layer, tdm_info_layer *info)
 229 {
 230         tdm_private_output *private_output = private_layer->private_output;
 231         tdm_private_display *private_display = private_output->private_display;
 232         tdm_func_layer *func_layer;
 233         char fmtstr[128];
 234
 235         func_layer = &private_display->func_layer;
 236
 237         if (private_layer->usable)
 238                 TDM_INFO("layer(%p) not usable", private_layer);
 239
 240         private_layer->usable = 0;
 241
 242         if (!func_layer->layer_set_info) {
 243                 /* LCOV_EXCL_START */
 244                 TDM_ERR("not implemented!!");
 245                 return TDM_ERROR_NOT_IMPLEMENTED;
 246                 /* LCOV_EXCL_STOP */
 247         }
 248
 249         if (info->src_config.format)
 250                 snprintf(fmtstr, 128, "%c%c%c%c", FOURCC_STR(info->src_config.format));
 251         else
 252                 snprintf(fmtstr, 128, "NONE");
 253
 254         TDM_INFO("layer(%p) info: src(%ux%u %u,%u %ux%u %s) dst(%u,%u %ux%u) trans(%d)",
 255                          private_layer, info->src_config.size.h, info->src_config.size.v,
 256                          info->src_config.pos.x, info->src_config.pos.y,
 257                          info->src_config.pos.w, info->src_config.pos.h,
 258                          fmtstr,
 259                          info->dst_pos.x, info->dst_pos.y,
 260                          info->dst_pos.w, info->dst_pos.h,
 261                          info->transform);
 262
 263         private_layer->pending_info_changed = 1;
 264         private_layer->pending_info = *info;
 265
 266         return TDM_ERROR_NONE;
 267 }
 268
 269 EXTERN tdm_error
 270 tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info)
 271 {
 272         LAYER_FUNC_ENTRY();
 273
 274         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 275
 276         _pthread_mutex_lock(&private_display->lock);
 277
 278         ret = tdm_layer_set_info_internal(private_layer, info);
 279
 280         _pthread_mutex_unlock(&private_display->lock);
 281
 282         return ret;
 283 }
 284
 285 EXTERN tdm_error
 286 tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info)
 287 {
 288         tdm_func_layer *func_layer;
 289         LAYER_FUNC_ENTRY();
 290
 291         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 292
 293         _pthread_mutex_lock(&private_display->lock);
 294
 295         func_layer = &private_display->func_layer;
 296
 297         if (!func_layer->layer_get_info) {
 298                 /* LCOV_EXCL_START */
 299                 _pthread_mutex_unlock(&private_display->lock);
 300                 TDM_ERR("not implemented!!");
 301                 return TDM_ERROR_NOT_IMPLEMENTED;
 302                 /* LCOV_EXCL_STOP */
 303         }
 304
 305         ret = func_layer->layer_get_info(private_layer->layer_backend, info);
 306
 307         _pthread_mutex_unlock(&private_display->lock);
 308
 309         return ret;
 310 }
 311
 312 /* LCOV_EXCL_START */
 313 static void
 314 _tdm_layer_dump_buffer(tdm_layer *layer, tbm_surface_h buffer)
 315 {
 316         tdm_private_layer *private_layer = (tdm_private_layer*)layer;
 317         tdm_private_output *private_output = private_layer->private_output;
 318         unsigned int pipe;
 319         char fname[TDM_PATH_LEN], bufs[TDM_PATH_LEN];
 320         int zpos, len = TDM_PATH_LEN;
 321         tdm_private_layer *l = NULL;
 322         char *p = bufs;
 323         int *remain = &len;
 324
 325         pipe = private_output->pipe;
 326         zpos = private_layer->caps.zpos;
 327
 328         bufs[0] = '\0';
 329         LIST_FOR_EACH_ENTRY(l, &private_output->layer_list, link) {
 330                 if (!l->showing_buffer)
 331                         continue;
 332                 TDM_SNPRINTF(p, remain, "_%p", l->showing_buffer->buffer);
 333         }
 334
 335         snprintf(fname, sizeof(fname), "tdm_%d_lyr_%d%s", pipe, zpos, bufs);
 336
 337         tbm_surface_internal_dump_buffer(buffer, fname);
 338         TDM_DBG("%s dump excute", fname);
 339
 340         return;
 341 }
 342 /* LCOV_EXCL_STOP */
 343
 344 static void
 345 _tdm_layer_free_buffer(tdm_private_layer *private_layer, tdm_private_layer_buffer *layer_buffer)
 346 {
 347         tdm_private_display *private_display;
 348
 349         if (!layer_buffer)
 350                 return;
 351
 352         private_display = private_layer->private_output->private_display;
 353
 354         LIST_DEL(&layer_buffer->link);
 355         if (layer_buffer->buffer) {
 356                 _pthread_mutex_unlock(&private_display->lock);
 357                 tdm_buffer_unref_backend(layer_buffer->buffer);
 358                 if (private_layer->buffer_queue)
 359                         tbm_surface_queue_release(private_layer->buffer_queue, layer_buffer->buffer);
 360                 _pthread_mutex_lock(&private_display->lock);
 361         }
 362         free(layer_buffer);
 363 }
 364
 365 static void
 366 _tdm_layer_free_all_buffers(tdm_private_layer *private_layer)
 367 {
 368         tdm_private_output *private_output = private_layer->private_output;
 369         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 370         struct list_head clone_list;
 371
 372         LIST_INITHEAD(&clone_list);
 373
 374         _tdm_layer_reset_pending_data(private_layer);
 375
 376         if (private_layer->waiting_buffer) {
 377                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
 378                 private_layer->waiting_buffer = NULL;
 379
 380                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 381                         TDM_INFO("layer(%p) waiting_buffer(%p)",
 382                                          private_layer, private_layer->waiting_buffer);
 383         }
 384
 385         if (private_layer->committed_buffer) {
 386                 _tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
 387                 private_layer->committed_buffer = NULL;
 388
 389                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 390                         TDM_INFO("layer(%p) committed_buffer(%p)",
 391                                          private_layer, private_layer->committed_buffer);
 392         }
 393
 394         if (private_layer->showing_buffer) {
 395                 _tdm_layer_free_buffer(private_layer, private_layer->showing_buffer);
 396                 private_layer->showing_buffer = NULL;
 397
 398                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 399                         TDM_INFO("layer(%p) showing_buffer(%p)",
 400                                          private_layer, private_layer->showing_buffer);
 401         }
 402
 403         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 404                 if (lm->private_layer != private_layer)
 405                         continue;
 406                 LIST_DEL(&lm->link);
 407                 LIST_ADDTAIL(&lm->link, &clone_list);
 408         }
 409
 410         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 411                 LIST_DEL(&lm->link);
 412                 tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
 413                 _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
 414                 free(lm);
 415         }
 416
 417         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 418                 if (lm->private_layer != private_layer)
 419                         continue;
 420                 LIST_DEL(&lm->link);
 421                 LIST_ADDTAIL(&lm->link, &clone_list);
 422         }
 423
 424         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 425                 LIST_DEL(&lm->link);
 426                 _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
 427                 free(lm);
 428         }
 429
 430         if (private_layer->buffer_queue) {
 431                 tbm_surface_queue_remove_acquirable_cb(private_layer->buffer_queue, _tbm_layer_queue_acquirable_cb, private_layer);
 432                 tbm_surface_queue_remove_destroy_cb(private_layer->buffer_queue, _tbm_layer_queue_destroy_cb, private_layer);
 433                 private_layer->buffer_queue = NULL;
 434         }
 435 }
 436
 437 INTERN tdm_error
 438 tdm_layer_set_buffer_internal(tdm_private_layer *private_layer, tbm_surface_h buffer)
 439 {
 440         tdm_private_output *private_output = private_layer->private_output;
 441         tdm_private_display *private_display = private_output->private_display;
 442         tdm_func_layer *func_layer;
 443
 444         /* LCOV_EXCL_START */
 445         /* dump buffer */
 446         if (tdm_dump_enable && !(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO))
 447                 _tdm_layer_dump_buffer(private_layer, buffer);
 448
 449         if (tdm_debug_dump & TDM_DUMP_FLAG_LAYER &&
 450                 !(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
 451                 char str[TDM_PATH_LEN];
 452                 static int i;
 453                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d_%03d",
 454                                  private_output->index, private_layer->index, i++);
 455                 tdm_helper_dump_buffer_str(buffer, tdm_debug_dump_dir, str);
 456         }
 457         /* LCOV_EXCL_STOP */
 458
 459         func_layer = &private_display->func_layer;
 460
 461         if (private_layer->usable)
 462                 TDM_INFO("layer(%p) not usable", private_layer);
 463
 464         private_layer->usable = 0;
 465
 466         if (!func_layer->layer_set_buffer) {
 467                 /* LCOV_EXCL_START */
 468                 TDM_ERR("not implemented!!");
 469                 return TDM_ERROR_NOT_IMPLEMENTED;
 470                 /* LCOV_EXCL_START */
 471         }
 472
 473         private_layer->pending_buffer_changed = 1;
 474
 475         if (private_layer->pending_buffer) {
 476
 477                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 478                         TDM_INFO("layer(%p) pending_buffer(%p) skipped",
 479                                          private_layer, private_layer->pending_buffer);
 480
 481                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 482                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->pending_buffer, 0);
 483                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 484                 }
 485
 486                 tbm_surface_internal_unref(private_layer->pending_buffer);
 487         }
 488
 489         tbm_surface_internal_ref(buffer);
 490         private_layer->pending_buffer = buffer;
 491
 492         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 493                 TDM_INFO("layer(%p) pending_buffer(%p)",
 494                                  private_layer, private_layer->pending_buffer);
 495
 496         if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 497                 tbm_bo bo = tbm_surface_internal_get_bo(private_layer->pending_buffer, 0);
 498                 TDM_TRACE_ASYNC_BEGIN((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 499         }
 500
 501         return TDM_ERROR_NONE;
 502 }
 503
 504 EXTERN tdm_error
 505 tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer)
 506 {
 507         LAYER_FUNC_ENTRY();
 508
 509         TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 510
 511         _pthread_mutex_lock(&private_display->lock);
 512
 513         ret = tdm_layer_set_buffer_internal(private_layer, buffer);
 514
 515         _pthread_mutex_unlock(&private_display->lock);
 516
 517         return ret;
 518 }
 519
 520 INTERN tdm_error
 521 tdm_layer_unset_buffer_internal(tdm_private_layer *private_layer)
 522 {
 523         tdm_private_output *private_output = private_layer->private_output;
 524         tdm_private_display *private_display = private_output->private_display;
 525         tdm_func_layer *func_layer;
 526         tdm_error ret = TDM_ERROR_NONE;
 527
 528         func_layer = &private_display->func_layer;
 529
 530         _tdm_layer_free_all_buffers(private_layer);
 531
 532         private_layer->usable = 1;
 533
 534         if (private_layer->usable)
 535                 TDM_INFO("layer(%p) now usable", private_layer);
 536
 537         if (!func_layer->layer_unset_buffer) {
 538                 /* LCOV_EXCL_START */
 539                 TDM_ERR("not implemented!!");
 540                 return TDM_ERROR_NOT_IMPLEMENTED;
 541                 /* LCOV_EXCL_START */
 542         }
 543
 544         ret = func_layer->layer_unset_buffer(private_layer->layer_backend);
 545         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 546
 547         return ret;
 548 }
 549
 550 EXTERN tdm_error
 551 tdm_layer_unset_buffer(tdm_layer *layer)
 552 {
 553         LAYER_FUNC_ENTRY();
 554
 555         _pthread_mutex_lock(&private_display->lock);
 556
 557         ret = tdm_layer_unset_buffer_internal(private_layer);
 558
 559         _pthread_mutex_unlock(&private_display->lock);
 560
 561         return ret;
 562 }
 563
 564 INTERN void
 565 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer)
 566 {
 567         tdm_private_output *private_output = private_layer->private_output;
 568         tdm_private_display *private_display = private_output->private_display;
 569
 570         /* LCOV_EXCL_START */
 571         if (private_display->print_fps) {
 572                 double curr = tdm_helper_get_time();
 573                 if (private_layer->fps_stamp == 0) {
 574                         private_layer->fps_stamp = curr;
 575                 } else if ((curr - private_layer->fps_stamp) > 1.0) {
 576                         TDM_INFO("output(%d) layer(%d) fps: %d", private_output->index, private_layer->index, private_layer->fps_count);
 577                         private_layer->fps_count = 0;
 578                         private_layer->fps_stamp = curr;
 579                 } else
 580                         private_layer->fps_count++;
 581         } else if (private_layer->fps_stamp != 0) {
 582                 private_layer->fps_stamp = 0;
 583                 private_layer->fps_count = 0;
 584         }
 585         /* LCOV_EXCL_STOP */
 586
 587         if (private_layer->showing_buffer) {
 588                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 589                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->showing_buffer->buffer, 0);
 590                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 591                 }
 592
 593                 _tdm_layer_free_buffer(private_layer, private_layer->showing_buffer);
 594         }
 595
 596         private_layer->showing_buffer = *committed_buffer;
 597         *committed_buffer = NULL;
 598
 599         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 600                 TDM_INFO("layer(%p) committed_buffer(%p) showing_buffer(%p)",
 601                                  private_layer, *committed_buffer,
 602                                  (private_layer->showing_buffer) ? private_layer->showing_buffer->buffer : NULL);
 603 }
 604
 605 static void
 606 _tdm_layer_got_output_vblank(tdm_private_output *private_output, unsigned int sequence,
 607                                                          unsigned int tv_sec, unsigned int tv_usec)
 608 {
 609         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 610         tdm_private_display *private_display;
 611         struct list_head clone_list, pending_clone_list;
 612         tdm_error ret = TDM_ERROR_NONE;
 613
 614         private_display = private_output->private_display;
 615
 616         private_output->layer_waiting_vblank = 0;
 617
 618         LIST_INITHEAD(&clone_list);
 619         LIST_INITHEAD(&pending_clone_list);
 620
 621         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 622                 LIST_DEL(&lm->link);
 623                 lm->private_layer->committing = 0;
 624                 LIST_ADDTAIL(&lm->link, &clone_list);
 625         }
 626
 627         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 628                 LIST_DEL(&lm->link);
 629                 lm->private_layer->committing = 0;
 630                 LIST_ADDTAIL(&lm->link, &pending_clone_list);
 631         }
 632
 633         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 634                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 635                         TDM_INFO("layer(%p) committed. handle(%p) commited_buffer(%p)",
 636                                          lm->private_layer, lm, (lm->committed_buffer) ? lm->committed_buffer->buffer : NULL);
 637
 638                 LIST_DEL(&lm->link);
 639                 tdm_layer_committed(lm->private_layer, &lm->committed_buffer);
 640                 _pthread_mutex_unlock(&private_display->lock);
 641                 if (lm->func)
 642                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 643                 _pthread_mutex_lock(&private_display->lock);
 644                 if (lm->committed_buffer)
 645                         _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 646                 free(lm);
 647         }
 648
 649         if (LIST_IS_EMPTY(&pending_clone_list))
 650                 return;
 651
 652         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, wait_failed);
 653
 654         ret = tdm_output_commit_internal(private_output, 0, NULL, NULL);
 655         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 656
 657         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 658                 TDM_INFO("layer commit: output(%d) commit", private_output->pipe);
 659
 660         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 661                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 662                 if (!private_output->layer_waiting_vblank) {
 663                         _pthread_mutex_unlock(&private_display->lock);
 664                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 665                         _pthread_mutex_lock(&private_display->lock);
 666                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 667                         private_output->layer_waiting_vblank = 1;
 668                 }
 669         }
 670
 671         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 672                 TDM_INFO("layer commit: output(%d) wait vblank", private_output->pipe);
 673
 674         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 675                 LIST_DEL(&lm->link);
 676                 LIST_ADDTAIL(&lm->link, &private_output->layer_commit_handler_list);
 677         }
 678
 679         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 680                 TDM_WRN("dpms %s. Directly call vblank callback.", tdm_dpms_str(private_output->current_dpms_value));
 681                 _pthread_mutex_unlock(&private_display->lock);
 682                 _tdm_layer_cb_wait_vblank(private_output->vblank, 0, 0, 0, 0, private_output);
 683                 _pthread_mutex_lock(&private_display->lock);
 684         }
 685
 686         return;
 687 wait_failed:
 688         /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 689          * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 690          * the layer commit handler MUST be called.
 691          */
 692         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 693                 TDM_WRN("Directly call layer commit handlers: ret(%d)\n", ret);
 694                 LIST_DEL(&lm->link);
 695                 _pthread_mutex_unlock(&private_display->lock);
 696                 if (lm->func)
 697                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 698                 _pthread_mutex_lock(&private_display->lock);
 699                 _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 700                 free(lm);
 701         }
 702
 703         return;
 704 }
 705
 706 static void
 707 _tdm_layer_cb_output_commit(tdm_output *output, unsigned int sequence,
 708                                                         unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 709 {
 710         tdm_private_layer_commit_handler *layer_commit_handler = user_data;
 711         tdm_private_layer_commit_handler *lm = NULL;
 712         tdm_private_display *private_display;
 713         tdm_private_output *private_output = output;
 714         tdm_private_layer *private_layer;
 715         int found = 0;
 716
 717         TDM_RETURN_IF_FAIL(layer_commit_handler != NULL);
 718
 719         private_display = private_output->private_display;
 720
 721         LIST_FOR_EACH_ENTRY(lm, &private_output->layer_commit_handler_list, link) {
 722                 if (layer_commit_handler == lm) {
 723                         found = 1;
 724                         break;
 725                 }
 726         }
 727
 728         if (!found)
 729                 return;
 730
 731         LIST_DEL(&layer_commit_handler->link);
 732
 733         private_layer = layer_commit_handler->private_layer;
 734
 735         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 736                 TDM_INFO("layer(%p) commit: output(%d) committed. handle(%p)",
 737                                  private_layer, private_output->pipe, layer_commit_handler);
 738
 739         _pthread_mutex_lock(&private_display->lock);
 740
 741         tdm_layer_committed(private_layer, &layer_commit_handler->committed_buffer);
 742
 743         if (layer_commit_handler->func) {
 744                 _pthread_mutex_unlock(&private_display->lock);
 745                 layer_commit_handler->func(private_output, sequence,
 746                                                                    tv_sec, tv_usec, layer_commit_handler->user_data);
 747                 _pthread_mutex_lock(&private_display->lock);
 748         }
 749
 750         free(layer_commit_handler);
 751
 752         _pthread_mutex_unlock(&private_display->lock);
 753 }
 754
 755 static void
 756 _tdm_layer_cb_wait_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 757                                                   unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 758 {
 759         tdm_private_output *private_output = user_data;
 760         tdm_private_display *private_display;
 761
 762         TDM_RETURN_IF_FAIL(private_output != NULL);
 763
 764         private_display = private_output->private_display;
 765
 766         _pthread_mutex_lock(&private_display->lock);
 767
 768         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 769                 TDM_INFO("layer commit: output(%d) got vblank", private_output->pipe);
 770
 771         _tdm_layer_got_output_vblank(private_output, sequence, tv_sec, tv_usec);
 772
 773         _pthread_mutex_unlock(&private_display->lock);
 774 }
 775
 776 static unsigned int
 777 _tdm_lauer_get_output_used_layer_count(tdm_private_output *private_output)
 778 {
 779         tdm_private_layer *private_layer = NULL;
 780         unsigned int count = 0;
 781
 782         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 783                 if (!private_layer->usable)
 784                         count++;
 785         }
 786
 787         return count;
 788 }
 789
 790 /* commit_per_vblank == 1: we can commit if
 791  *                           - there is no previous commit request
 792  *                           - only 1 layer is used
 793  * commit_per_vblank == 2: we can commit if
 794  *                           - there is no previous commit request
 795  */
 796 static int
 797 _tdm_layer_commit_possible(tdm_private_layer *private_layer)
 798 {
 799         tdm_private_output *private_output = private_layer->private_output;
 800
 801         TDM_RETURN_VAL_IF_FAIL(private_output->commit_per_vblank > 0, 1);
 802
 803         /* There is a previous commit request which is not done and displayed on screen yet.
 804          * We can't commit at this time.
 805          */
 806         if (!LIST_IS_EMPTY(&private_output->layer_commit_handler_list)) {
 807                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 808                         TDM_INFO("layer(%p) commit: not possible(previous commit)", private_layer);
 809                 return 0;
 810         }
 811
 812         if (private_output->commit_per_vblank == 1 && _tdm_lauer_get_output_used_layer_count(private_output) > 1) {
 813                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 814                         TDM_INFO("layer(%p) commit: not possible(more than 2 layers)", private_layer);
 815                 return 0;
 816         }
 817
 818         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 819                 TDM_INFO("layer(%p) commit: possible", private_layer);
 820
 821         return 1;
 822 }
 823
 824 static void
 825 _tdm_layer_reset_pending_data(tdm_private_layer *private_layer)
 826 {
 827         private_layer->pending_info_changed = 0;
 828         memset(&private_layer->pending_info, 0, sizeof private_layer->pending_info);
 829
 830         private_layer->pending_buffer_changed = 0;
 831         if (private_layer->pending_buffer) {
 832                 tbm_surface_internal_unref(private_layer->pending_buffer);
 833                 private_layer->pending_buffer = NULL;
 834         }
 835 }
 836
 837 INTERN tdm_error
 838 tdm_layer_commit_pending_data(tdm_private_layer *private_layer)
 839 {
 840         tdm_private_output *private_output = private_layer->private_output;
 841         tdm_private_display *private_display = private_output->private_display;
 842         tdm_func_layer *func_layer;
 843         tdm_error ret = TDM_ERROR_NONE;
 844
 845         func_layer = &private_display->func_layer;
 846
 847         if (private_layer->pending_info_changed) {
 848                 ret = func_layer->layer_set_info(private_layer->layer_backend, &private_layer->pending_info);
 849                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, done);
 850         }
 851
 852         if (private_layer->pending_buffer_changed) {
 853                 tdm_private_layer_buffer *layer_buffer;
 854
 855                 layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
 856                 TDM_GOTO_IF_FAIL(layer_buffer != NULL, done);
 857
 858                 LIST_INITHEAD(&layer_buffer->link);
 859
 860                 ret = func_layer->layer_set_buffer(private_layer->layer_backend, private_layer->pending_buffer);
 861                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 862
 863                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 864                         TDM_INFO("layer(%p) pending_buffer(%p) committed",
 865                                          private_layer, private_layer->pending_buffer);
 866
 867                 if (ret == TDM_ERROR_NONE) {
 868                         if (private_layer->waiting_buffer)
 869                                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
 870
 871                         private_layer->waiting_buffer = layer_buffer;
 872                         private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(private_layer->pending_buffer);
 873                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 874                                 TDM_INFO("layer(%p) waiting_buffer(%p)",
 875                                                  private_layer, private_layer->waiting_buffer->buffer);
 876                 } else
 877                         _tdm_layer_free_buffer(private_layer, layer_buffer);
 878         }
 879
 880 done:
 881         _tdm_layer_reset_pending_data(private_layer);
 882
 883         return ret;
 884 }
 885
 886 /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 887  * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 888  * the layer commit handler MUST be called.
 889  */
 890 static tdm_error
 891 _tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 892 {
 893         tdm_private_layer_commit_handler *layer_commit_handler;
 894         LAYER_FUNC_ENTRY();
 895
 896         layer_commit_handler = calloc(1, sizeof(tdm_private_layer_commit_handler));
 897         if (!layer_commit_handler) {
 898                 /* LCOV_EXCL_START */
 899                 TDM_ERR("failed: alloc memory");
 900                 return TDM_ERROR_OUT_OF_MEMORY;
 901                 /* LCOV_EXCL_STOP */
 902         }
 903
 904         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 905                 TDM_INFO("layer(%p) commit: handle(%p)", private_layer, layer_commit_handler);
 906
 907         LIST_INITHEAD(&layer_commit_handler->link);
 908         layer_commit_handler->private_layer = private_layer;
 909         layer_commit_handler->func = func;
 910         layer_commit_handler->user_data = user_data;
 911
 912         layer_commit_handler->committed_buffer = private_layer->waiting_buffer;
 913         private_layer->waiting_buffer = NULL;
 914
 915         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 916                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 917                                  private_layer, private_layer->waiting_buffer,
 918                                  (layer_commit_handler->committed_buffer) ? layer_commit_handler->committed_buffer->buffer : NULL);
 919
 920         if (!private_output->commit_per_vblank) {
 921                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT, commit_failed);
 922
 923                 LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 924                 ret = tdm_output_commit_internal(private_layer->private_output, 0, _tdm_layer_cb_output_commit, layer_commit_handler);
 925                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 926
 927                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 928                         TDM_INFO("layer(%p) commit: no commit-per-vblank", private_layer);
 929         } else {
 930                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_LAYER, commit_failed);
 931
 932                 if (private_layer->committing)
 933                         TDM_WRN("layer(%d) too many commit", private_layer->index);
 934                 else
 935                         private_layer->committing = 1;
 936
 937                 if (_tdm_layer_commit_possible(private_layer)) {
 938                         /* add to layer_commit_handler_list */
 939                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 940                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
 941                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 942
 943                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 944                                 TDM_INFO("layer(%p) commit: output", private_layer);
 945                 } else {
 946                         /* add to pending_commit_handler_list. It will be commited when a vblank occurs */
 947                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->pending_commit_handler_list);
 948
 949                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 950                                 TDM_INFO("layer(%p) commit: pending", private_layer);
 951                 }
 952
 953                 if (!private_output->vblank) {
 954                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 955                         _pthread_mutex_unlock(&private_display->lock);
 956                         private_output->vblank = tdm_vblank_create(private_display, private_output, NULL);
 957                         _pthread_mutex_lock(&private_display->lock);
 958                         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, commit_failed);
 959                 }
 960
 961                 if (!private_output->layer_waiting_vblank) {
 962                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 963                         _pthread_mutex_unlock(&private_display->lock);
 964                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 965                         _pthread_mutex_lock(&private_display->lock);
 966                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 967                         private_output->layer_waiting_vblank = 1;
 968
 969                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 970                                 TDM_INFO("layer(%p) commit: wait vblank", private_layer);
 971                 }
 972         }
 973
 974         return ret;
 975
 976 commit_failed:
 977         if (layer_commit_handler) {
 978                 private_layer->waiting_buffer = layer_commit_handler->committed_buffer;
 979                 LIST_DEL(&layer_commit_handler->link);
 980                 free(layer_commit_handler);
 981         }
 982         return ret;
 983 }
 984
 985 INTERN tdm_error
 986 tdm_layer_commit_internal(tdm_private_layer *private_layer, tdm_layer_commit_handler func, void *user_data)
 987 {
 988         tdm_private_output *private_output = private_layer->private_output;
 989         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */
 990
 991         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE) {
 992                 if (!private_output->commit_per_vblank)
 993                         private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
 994                 else
 995                         private_output->commit_type = TDM_COMMIT_TYPE_LAYER;
 996         }
 997
 998         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 999                 TDM_ERR("layer(%p)'s output(%d) dpms: %s", private_layer, private_output->pipe,
1000                                 tdm_dpms_str(private_output->current_dpms_value));
1001                 return TDM_ERROR_DPMS_OFF;
1002         }
1003
1004         /* don't call this inside of _tdm_layer_commit */
1005         ret = tdm_layer_commit_pending_data(private_layer);
1006         if (ret != TDM_ERROR_NONE) {
1007                 TDM_ERR("layer(%p) committing pending data failed", private_layer);
1008                 return ret;
1009         }
1010
1011         ret = _tdm_layer_commit(private_layer, func, user_data);
1012
1013         return ret;
1014 }
1015
1016 EXTERN tdm_error
1017 tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1018 {
1019         LAYER_FUNC_ENTRY();
1020
1021         _pthread_mutex_lock(&private_display->lock);
1022
1023         ret = tdm_layer_commit_internal(private_layer, func, user_data);
1024
1025         _pthread_mutex_unlock(&private_display->lock);
1026
1027         return ret;
1028 }
1029
1030 EXTERN tdm_error
1031 tdm_layer_is_committing(tdm_layer *layer, unsigned int *committing)
1032 {
1033         LAYER_FUNC_ENTRY();
1034
1035         TDM_RETURN_VAL_IF_FAIL(committing != NULL, TDM_ERROR_INVALID_PARAMETER);
1036
1037         _pthread_mutex_lock(&private_display->lock);
1038
1039         *committing = private_layer->committing;
1040
1041         _pthread_mutex_unlock(&private_display->lock);
1042
1043         return ret;
1044 }
1045
1046 INTERN void
1047 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1048 {
1049         tdm_private_layer *private_layer = (tdm_private_layer*)layer;
1050         tdm_private_output *private_output = private_layer->private_output;
1051         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
1052
1053         TDM_RETURN_IF_FAIL(private_layer != NULL);
1054         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1055
1056         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
1057                 if (lm->func == func && lm->user_data == user_data) {
1058                         LIST_DEL(&lm->link);
1059                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1060                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1061                         free(lm);
1062                         break;
1063                 }
1064         }
1065
1066         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
1067                 if (lm->func == func && lm->user_data == user_data) {
1068                         LIST_DEL(&lm->link);
1069                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1070                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1071                         free(lm);
1072                         break;
1073                 }
1074         }
1075 }
1076
1077 EXTERN tdm_error
1078 tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1079 {
1080         LAYER_FUNC_ENTRY();
1081
1082         _pthread_mutex_lock(&private_display->lock);
1083
1084         tdm_layer_remove_commit_handler_internal(layer, func, user_data);
1085
1086         _pthread_mutex_unlock(&private_display->lock);
1087
1088         return ret;
1089 }
1090
1091 EXTERN tbm_surface_h
1092 tdm_layer_get_displaying_buffer(tdm_layer *layer, tdm_error *error)
1093 {
1094         tbm_surface_h buffer;
1095         LAYER_FUNC_ENTRY_ERROR();
1096
1097         _pthread_mutex_lock(&private_display->lock);
1098
1099         if (error)
1100                 *error = TDM_ERROR_NONE;
1101
1102         if (private_layer->showing_buffer) {
1103                 buffer = private_layer->showing_buffer->buffer;
1104         } else {
1105                 if (error)
1106                         *error = TDM_ERROR_OPERATION_FAILED;
1107                 _pthread_mutex_unlock(&private_display->lock);
1108                 TDM_DBG("layer(%p) showing_buffer is null", private_layer);
1109                 return NULL;
1110         }
1111         _pthread_mutex_unlock(&private_display->lock);
1112
1113         return buffer;
1114 }
1115
1116 static void
1117 _tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data)
1118 {
1119         TDM_RETURN_IF_FAIL(data != NULL);
1120         tdm_layer *layer = data;
1121         tdm_func_layer *func_layer;
1122         tbm_surface_h surface = NULL;
1123         tdm_private_layer_buffer *layer_buffer;
1124         LAYER_FUNC_ENTRY_VOID_RETURN();
1125
1126         _pthread_mutex_lock(&private_display->lock);
1127
1128         func_layer = &private_display->func_layer;
1129         if (!func_layer->layer_set_buffer) {
1130                 /* LCOV_EXCL_START */
1131                 _pthread_mutex_unlock(&private_display->lock);
1132                 return;
1133                 /* LCOV_EXCL_STOP */
1134         }
1135
1136         layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
1137         if (!layer_buffer) {
1138                 /* LCOV_EXCL_START */
1139                 _pthread_mutex_unlock(&private_display->lock);
1140                 TDM_ERR("alloc failed");
1141                 return;
1142                 /* LCOV_EXCL_STOP */
1143         }
1144         LIST_INITHEAD(&layer_buffer->link);
1145
1146         if (TBM_SURFACE_QUEUE_ERROR_NONE != tbm_surface_queue_acquire(private_layer->buffer_queue, &surface) ||
1147                 surface == NULL) {
1148                 /* LCOV_EXCL_START */
1149                 TDM_ERR("layer(%p) tbm_surface_queue_acquire() failed surface:%p",
1150                                 private_layer, surface);
1151                 _pthread_mutex_unlock(&private_display->lock);
1152                 free(layer_buffer);
1153                 return;
1154                 /* LCOV_EXCL_STOP */
1155         }
1156
1157         /* we don't need to handle pending data here because the changes in this function
1158          * should be applied immediately. we can't expect calling tdm_layer_commit.
1159          */
1160         ret = func_layer->layer_set_buffer(private_layer->layer_backend, surface);
1161         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1162
1163         if (ret == TDM_ERROR_NONE) {
1164                 if (private_layer->waiting_buffer) {
1165                         TDM_DBG("layer(%p) drop waiting_buffer(%p)", private_layer, private_layer->waiting_buffer->buffer);
1166                         _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1167                 }
1168
1169                 private_layer->waiting_buffer = layer_buffer;
1170                 private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(surface);
1171
1172                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1173                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1174                                          private_layer, private_layer->waiting_buffer->buffer);
1175
1176                 if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
1177                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
1178                         if (ret != TDM_ERROR_NONE)
1179                                 TDM_ERR("tdm_output_commit_internal() is fail");
1180                 } else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1181                         ret = _tdm_layer_commit(private_layer, NULL, NULL);
1182                         if (ret != TDM_ERROR_NONE)
1183                                 TDM_ERR("layer(%p) _tdm_layer_commit() is fail", private_layer);
1184                 } else {
1185                         TDM_NEVER_GET_HERE();
1186                 }
1187         } else
1188                 _tdm_layer_free_buffer(private_layer, layer_buffer);
1189
1190         _pthread_mutex_unlock(&private_display->lock);
1191 }
1192
1193 static void
1194 _tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data)
1195 {
1196         TDM_RETURN_IF_FAIL(data != NULL);
1197         tdm_layer *layer = data;
1198         LAYER_FUNC_ENTRY_VOID_RETURN();
1199         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1200
1201         _pthread_mutex_lock(&private_display->lock);
1202
1203         private_layer->buffer_queue = NULL;
1204
1205         _tdm_layer_free_all_buffers(private_layer);
1206
1207         _pthread_mutex_unlock(&private_display->lock);
1208 }
1209
1210 EXTERN tdm_error
1211 tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue)
1212 {
1213         tdm_func_layer *func_layer;
1214         LAYER_FUNC_ENTRY();
1215
1216         TDM_RETURN_VAL_IF_FAIL(buffer_queue != NULL, TDM_ERROR_INVALID_PARAMETER);
1217
1218         _pthread_mutex_lock(&private_display->lock);
1219
1220         func_layer = &private_display->func_layer;
1221
1222         if (private_layer->usable)
1223                 TDM_INFO("layer(%p) not usable", private_layer);
1224
1225         private_layer->usable = 0;
1226
1227         if (!func_layer->layer_set_buffer) {
1228                 /* LCOV_EXCL_START */
1229                 _pthread_mutex_unlock(&private_display->lock);
1230                 TDM_ERR("not implemented!!");
1231                 return TDM_ERROR_NOT_IMPLEMENTED;
1232                 /* LCOV_EXCL_STOP */
1233         }
1234
1235         if (buffer_queue == private_layer->buffer_queue) {
1236                 _pthread_mutex_unlock(&private_display->lock);
1237                 return TDM_ERROR_NONE;
1238         }
1239
1240         if (private_layer->waiting_buffer) {
1241                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1242                 private_layer->waiting_buffer = NULL;
1243
1244                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1245                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1246                                          private_layer, private_layer->waiting_buffer);
1247         }
1248
1249         private_layer->buffer_queue = buffer_queue;
1250         tbm_surface_queue_add_acquirable_cb(private_layer->buffer_queue,
1251                                                                                 _tbm_layer_queue_acquirable_cb,
1252                                                                                 private_layer);
1253         tbm_surface_queue_add_destroy_cb(private_layer->buffer_queue,
1254                                                                          _tbm_layer_queue_destroy_cb,
1255                                                                          private_layer);
1256         _pthread_mutex_unlock(&private_display->lock);
1257
1258         return ret;
1259 }
1260
1261 EXTERN tdm_error
1262 tdm_layer_unset_buffer_queue(tdm_layer *layer)
1263 {
1264         return tdm_layer_unset_buffer(layer);
1265 }
1266
1267 EXTERN tdm_error
1268 tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable)
1269 {
1270         LAYER_FUNC_ENTRY();
1271
1272         TDM_RETURN_VAL_IF_FAIL(usable != NULL, TDM_ERROR_INVALID_PARAMETER);
1273
1274         _pthread_mutex_lock(&private_display->lock);
1275
1276         *usable = private_layer->usable;
1277
1278         _pthread_mutex_unlock(&private_display->lock);
1279
1280         return ret;
1281 }
1282
1283 EXTERN tdm_error
1284 tdm_layer_set_video_pos(tdm_layer *layer, int zpos)
1285 {
1286         tdm_func_layer *func_layer;
1287         LAYER_FUNC_ENTRY();
1288
1289         _pthread_mutex_lock(&private_display->lock);
1290
1291         func_layer = &private_display->func_layer;
1292
1293         if (!(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
1294                 TDM_ERR("layer(%p) is not video layer", private_layer);
1295                 _pthread_mutex_unlock(&private_display->lock);
1296                 return TDM_ERROR_INVALID_PARAMETER;
1297         }
1298
1299         if (!func_layer->layer_set_video_pos) {
1300                 /* LCOV_EXCL_START */
1301                 _pthread_mutex_unlock(&private_display->lock);
1302                 TDM_ERR("not implemented!!");
1303                 return TDM_ERROR_NOT_IMPLEMENTED;
1304                 /* LCOV_EXCL_STOP */
1305         }
1306
1307         ret = func_layer->layer_set_video_pos(private_layer->layer_backend, zpos);
1308
1309         _pthread_mutex_unlock(&private_display->lock);
1310
1311         return ret;
1312 }
1313
1314 EXTERN tdm_capture *
1315 tdm_layer_create_capture(tdm_layer *layer, tdm_error *error)
1316 {
1317         tdm_capture *capture = NULL;
1318
1319         LAYER_FUNC_ENTRY_ERROR();
1320
1321         _pthread_mutex_lock(&private_display->lock);
1322
1323         capture = (tdm_capture *)tdm_capture_create_layer_internal(private_layer, error);
1324
1325         _pthread_mutex_unlock(&private_display->lock);
1326
1327         return capture;
1328 }
1329
1330 EXTERN tdm_error
1331 tdm_layer_get_buffer_flags(tdm_layer *layer, unsigned int *flags)
1332 {
1333         tdm_func_layer *func_layer;
1334         LAYER_FUNC_ENTRY();
1335         TDM_RETURN_VAL_IF_FAIL(flags != NULL, TDM_ERROR_INVALID_PARAMETER);
1336
1337         _pthread_mutex_lock(&private_display->lock);
1338
1339         func_layer = &private_display->func_layer;
1340
1341         if (!func_layer->layer_get_buffer_flags) {
1342                 /* LCOV_EXCL_START */
1343                 _pthread_mutex_unlock(&private_display->lock);
1344                 TDM_ERR("not implemented!!");
1345                 return TDM_ERROR_NOT_IMPLEMENTED;
1346                 /* LCOV_EXCL_STOP */
1347         }
1348
1349         ret = func_layer->layer_get_buffer_flags(private_layer->layer_backend, flags);
1350
1351         _pthread_mutex_unlock(&private_display->lock);
1352
1353         return ret;
1354 }