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         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 559
 560         _pthread_mutex_unlock(&private_display->lock);
 561
 562         return ret;
 563 }
 564
 565 INTERN void
 566 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer)
 567 {
 568         tdm_private_output *private_output = private_layer->private_output;
 569         tdm_private_display *private_display = private_output->private_display;
 570
 571         /* LCOV_EXCL_START */
 572         if (private_display->print_fps) {
 573                 double curr = tdm_helper_get_time();
 574                 if (private_layer->fps_stamp == 0) {
 575                         private_layer->fps_stamp = curr;
 576                 } else if ((curr - private_layer->fps_stamp) > 1.0) {
 577                         TDM_INFO("output(%d) layer(%d) fps: %d", private_output->index, private_layer->index, private_layer->fps_count);
 578                         private_layer->fps_count = 0;
 579                         private_layer->fps_stamp = curr;
 580                 } else
 581                         private_layer->fps_count++;
 582         } else if (private_layer->fps_stamp != 0) {
 583                 private_layer->fps_stamp = 0;
 584                 private_layer->fps_count = 0;
 585         }
 586         /* LCOV_EXCL_STOP */
 587
 588         if (private_layer->showing_buffer) {
 589                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 590                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->showing_buffer->buffer, 0);
 591                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 592                 }
 593
 594                 _tdm_layer_free_buffer(private_layer, private_layer->showing_buffer);
 595         }
 596
 597         private_layer->showing_buffer = *committed_buffer;
 598         *committed_buffer = NULL;
 599
 600         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 601                 TDM_INFO("layer(%p) committed_buffer(%p) showing_buffer(%p)",
 602                                  private_layer, *committed_buffer,
 603                                  (private_layer->showing_buffer) ? private_layer->showing_buffer->buffer : NULL);
 604 }
 605
 606 static void
 607 _tdm_layer_got_output_vblank(tdm_private_output *private_output, unsigned int sequence,
 608                                                          unsigned int tv_sec, unsigned int tv_usec)
 609 {
 610         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 611         tdm_private_display *private_display;
 612         struct list_head clone_list, pending_clone_list;
 613         tdm_error ret = TDM_ERROR_NONE;
 614
 615         private_display = private_output->private_display;
 616
 617         private_output->layer_waiting_vblank = 0;
 618
 619         LIST_INITHEAD(&clone_list);
 620         LIST_INITHEAD(&pending_clone_list);
 621
 622         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 623                 LIST_DEL(&lm->link);
 624                 lm->private_layer->committing = 0;
 625                 LIST_ADDTAIL(&lm->link, &clone_list);
 626         }
 627
 628         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 629                 LIST_DEL(&lm->link);
 630                 lm->private_layer->committing = 0;
 631                 LIST_ADDTAIL(&lm->link, &pending_clone_list);
 632         }
 633
 634         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 635                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 636                         TDM_INFO("layer(%p) committed. handle(%p) commited_buffer(%p)",
 637                                          lm->private_layer, lm, (lm->committed_buffer) ? lm->committed_buffer->buffer : NULL);
 638
 639                 LIST_DEL(&lm->link);
 640                 tdm_layer_committed(lm->private_layer, &lm->committed_buffer);
 641                 _pthread_mutex_unlock(&private_display->lock);
 642                 if (lm->func)
 643                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 644                 _pthread_mutex_lock(&private_display->lock);
 645                 if (lm->committed_buffer)
 646                         _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 647                 free(lm);
 648         }
 649
 650         if (LIST_IS_EMPTY(&pending_clone_list))
 651                 return;
 652
 653         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, wait_failed);
 654
 655         ret = tdm_output_commit_internal(private_output, 0, NULL, NULL);
 656         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 657
 658         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 659                 TDM_INFO("layer commit: output(%d) commit", private_output->pipe);
 660
 661         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 662                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 663                 if (!private_output->layer_waiting_vblank) {
 664                         _pthread_mutex_unlock(&private_display->lock);
 665                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 666                         _pthread_mutex_lock(&private_display->lock);
 667                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 668                         private_output->layer_waiting_vblank = 1;
 669                 }
 670         }
 671
 672         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 673                 TDM_INFO("layer commit: output(%d) wait vblank", private_output->pipe);
 674
 675         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 676                 LIST_DEL(&lm->link);
 677                 LIST_ADDTAIL(&lm->link, &private_output->layer_commit_handler_list);
 678         }
 679
 680         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 681                 TDM_WRN("dpms %s. Directly call vblank callback.", tdm_dpms_str(private_output->current_dpms_value));
 682                 _pthread_mutex_unlock(&private_display->lock);
 683                 _tdm_layer_cb_wait_vblank(private_output->vblank, 0, 0, 0, 0, private_output);
 684                 _pthread_mutex_lock(&private_display->lock);
 685         }
 686
 687         return;
 688 wait_failed:
 689         /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 690          * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 691          * the layer commit handler MUST be called.
 692          */
 693         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 694                 TDM_WRN("Directly call layer commit handlers: ret(%d)\n", ret);
 695                 LIST_DEL(&lm->link);
 696                 _pthread_mutex_unlock(&private_display->lock);
 697                 if (lm->func)
 698                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 699                 _pthread_mutex_lock(&private_display->lock);
 700                 _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 701                 free(lm);
 702         }
 703
 704         return;
 705 }
 706
 707 static void
 708 _tdm_layer_cb_output_commit(tdm_output *output, unsigned int sequence,
 709                                                         unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 710 {
 711         tdm_private_layer_commit_handler *layer_commit_handler = user_data;
 712         tdm_private_layer_commit_handler *lm = NULL;
 713         tdm_private_display *private_display;
 714         tdm_private_output *private_output = output;
 715         tdm_private_layer *private_layer;
 716         int found = 0;
 717
 718         TDM_RETURN_IF_FAIL(layer_commit_handler != NULL);
 719
 720         private_display = private_output->private_display;
 721
 722         LIST_FOR_EACH_ENTRY(lm, &private_output->layer_commit_handler_list, link) {
 723                 if (layer_commit_handler == lm) {
 724                         found = 1;
 725                         break;
 726                 }
 727         }
 728
 729         if (!found)
 730                 return;
 731
 732         LIST_DEL(&layer_commit_handler->link);
 733
 734         private_layer = layer_commit_handler->private_layer;
 735
 736         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 737                 TDM_INFO("layer(%p) commit: output(%d) committed. handle(%p)",
 738                                  private_layer, private_output->pipe, layer_commit_handler);
 739
 740         _pthread_mutex_lock(&private_display->lock);
 741
 742         tdm_layer_committed(private_layer, &layer_commit_handler->committed_buffer);
 743
 744         if (layer_commit_handler->func) {
 745                 _pthread_mutex_unlock(&private_display->lock);
 746                 layer_commit_handler->func(private_output, sequence,
 747                                                                    tv_sec, tv_usec, layer_commit_handler->user_data);
 748                 _pthread_mutex_lock(&private_display->lock);
 749         }
 750
 751         free(layer_commit_handler);
 752
 753         _pthread_mutex_unlock(&private_display->lock);
 754 }
 755
 756 static void
 757 _tdm_layer_cb_wait_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 758                                                   unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 759 {
 760         tdm_private_output *private_output = user_data;
 761         tdm_private_display *private_display;
 762
 763         TDM_RETURN_IF_FAIL(private_output != NULL);
 764
 765         private_display = private_output->private_display;
 766
 767         _pthread_mutex_lock(&private_display->lock);
 768
 769         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 770                 TDM_INFO("layer commit: output(%d) got vblank", private_output->pipe);
 771
 772         _tdm_layer_got_output_vblank(private_output, sequence, tv_sec, tv_usec);
 773
 774         _pthread_mutex_unlock(&private_display->lock);
 775 }
 776
 777 static unsigned int
 778 _tdm_lauer_get_output_used_layer_count(tdm_private_output *private_output)
 779 {
 780         tdm_private_layer *private_layer = NULL;
 781         unsigned int count = 0;
 782
 783         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 784                 if (!private_layer->usable)
 785                         count++;
 786         }
 787
 788         return count;
 789 }
 790
 791 /* commit_per_vblank == 1: we can commit if
 792  *                           - there is no previous commit request
 793  *                           - only 1 layer is used
 794  * commit_per_vblank == 2: we can commit if
 795  *                           - there is no previous commit request
 796  */
 797 static int
 798 _tdm_layer_commit_possible(tdm_private_layer *private_layer)
 799 {
 800         tdm_private_output *private_output = private_layer->private_output;
 801
 802         TDM_RETURN_VAL_IF_FAIL(private_output->commit_per_vblank > 0, 1);
 803
 804         /* There is a previous commit request which is not done and displayed on screen yet.
 805          * We can't commit at this time.
 806          */
 807         if (!LIST_IS_EMPTY(&private_output->layer_commit_handler_list)) {
 808                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 809                         TDM_INFO("layer(%p) commit: not possible(previous commit)", private_layer);
 810                 return 0;
 811         }
 812
 813         if (private_output->commit_per_vblank == 1 && _tdm_lauer_get_output_used_layer_count(private_output) > 1) {
 814                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 815                         TDM_INFO("layer(%p) commit: not possible(more than 2 layers)", private_layer);
 816                 return 0;
 817         }
 818
 819         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 820                 TDM_INFO("layer(%p) commit: possible", private_layer);
 821
 822         return 1;
 823 }
 824
 825 static void
 826 _tdm_layer_reset_pending_data(tdm_private_layer *private_layer)
 827 {
 828         private_layer->pending_info_changed = 0;
 829         memset(&private_layer->pending_info, 0, sizeof private_layer->pending_info);
 830
 831         private_layer->pending_buffer_changed = 0;
 832         if (private_layer->pending_buffer) {
 833                 tbm_surface_internal_unref(private_layer->pending_buffer);
 834                 private_layer->pending_buffer = NULL;
 835         }
 836 }
 837
 838 INTERN tdm_error
 839 tdm_layer_commit_pending_data(tdm_private_layer *private_layer)
 840 {
 841         tdm_private_output *private_output = private_layer->private_output;
 842         tdm_private_display *private_display = private_output->private_display;
 843         tdm_func_layer *func_layer;
 844         tdm_error ret = TDM_ERROR_NONE;
 845
 846         func_layer = &private_display->func_layer;
 847
 848         if (private_layer->pending_info_changed) {
 849                 ret = func_layer->layer_set_info(private_layer->layer_backend, &private_layer->pending_info);
 850                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, done);
 851         }
 852
 853         if (private_layer->pending_buffer_changed) {
 854                 tdm_private_layer_buffer *layer_buffer;
 855
 856                 layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
 857                 TDM_GOTO_IF_FAIL(layer_buffer != NULL, done);
 858
 859                 LIST_INITHEAD(&layer_buffer->link);
 860
 861                 ret = func_layer->layer_set_buffer(private_layer->layer_backend, private_layer->pending_buffer);
 862                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 863
 864                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 865                         TDM_INFO("layer(%p) pending_buffer(%p) committed",
 866                                          private_layer, private_layer->pending_buffer);
 867
 868                 if (ret == TDM_ERROR_NONE) {
 869                         if (private_layer->waiting_buffer)
 870                                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
 871
 872                         private_layer->waiting_buffer = layer_buffer;
 873                         private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(private_layer->pending_buffer);
 874                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 875                                 TDM_INFO("layer(%p) waiting_buffer(%p)",
 876                                                  private_layer, private_layer->waiting_buffer->buffer);
 877                 } else
 878                         _tdm_layer_free_buffer(private_layer, layer_buffer);
 879         }
 880
 881 done:
 882         _tdm_layer_reset_pending_data(private_layer);
 883
 884         return ret;
 885 }
 886
 887 /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 888  * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 889  * the layer commit handler MUST be called.
 890  */
 891 static tdm_error
 892 _tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 893 {
 894         tdm_private_layer_commit_handler *layer_commit_handler;
 895         LAYER_FUNC_ENTRY();
 896
 897         layer_commit_handler = calloc(1, sizeof(tdm_private_layer_commit_handler));
 898         if (!layer_commit_handler) {
 899                 /* LCOV_EXCL_START */
 900                 TDM_ERR("failed: alloc memory");
 901                 return TDM_ERROR_OUT_OF_MEMORY;
 902                 /* LCOV_EXCL_STOP */
 903         }
 904
 905         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 906                 TDM_INFO("layer(%p) commit: handle(%p)", private_layer, layer_commit_handler);
 907
 908         LIST_INITHEAD(&layer_commit_handler->link);
 909         layer_commit_handler->private_layer = private_layer;
 910         layer_commit_handler->func = func;
 911         layer_commit_handler->user_data = user_data;
 912
 913         layer_commit_handler->committed_buffer = private_layer->waiting_buffer;
 914         private_layer->waiting_buffer = NULL;
 915
 916         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 917                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 918                                  private_layer, private_layer->waiting_buffer,
 919                                  (layer_commit_handler->committed_buffer) ? layer_commit_handler->committed_buffer->buffer : NULL);
 920
 921         if (!private_output->commit_per_vblank) {
 922                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT, commit_failed);
 923
 924                 LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 925                 ret = tdm_output_commit_internal(private_layer->private_output, 0, _tdm_layer_cb_output_commit, layer_commit_handler);
 926                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 927
 928                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 929                         TDM_INFO("layer(%p) commit: no commit-per-vblank", private_layer);
 930         } else {
 931                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_LAYER, commit_failed);
 932
 933                 if (private_layer->committing)
 934                         TDM_WRN("layer(%d) too many commit", private_layer->index);
 935                 else
 936                         private_layer->committing = 1;
 937
 938                 if (_tdm_layer_commit_possible(private_layer)) {
 939                         /* add to layer_commit_handler_list */
 940                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 941                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
 942                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 943
 944                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 945                                 TDM_INFO("layer(%p) commit: output", private_layer);
 946                 } else {
 947                         /* add to pending_commit_handler_list. It will be commited when a vblank occurs */
 948                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->pending_commit_handler_list);
 949
 950                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 951                                 TDM_INFO("layer(%p) commit: pending", private_layer);
 952                 }
 953
 954                 if (!private_output->vblank) {
 955                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 956                         _pthread_mutex_unlock(&private_display->lock);
 957                         private_output->vblank = tdm_vblank_create(private_display, private_output, NULL);
 958                         _pthread_mutex_lock(&private_display->lock);
 959                         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, commit_failed);
 960                 }
 961
 962                 if (!private_output->layer_waiting_vblank) {
 963                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 964                         _pthread_mutex_unlock(&private_display->lock);
 965                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 966                         _pthread_mutex_lock(&private_display->lock);
 967                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 968                         private_output->layer_waiting_vblank = 1;
 969
 970                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 971                                 TDM_INFO("layer(%p) commit: wait vblank", private_layer);
 972                 }
 973         }
 974
 975         return ret;
 976
 977 commit_failed:
 978         if (layer_commit_handler) {
 979                 private_layer->waiting_buffer = layer_commit_handler->committed_buffer;
 980                 LIST_DEL(&layer_commit_handler->link);
 981                 free(layer_commit_handler);
 982         }
 983         return ret;
 984 }
 985
 986 INTERN tdm_error
 987 tdm_layer_commit_internal(tdm_private_layer *private_layer, tdm_layer_commit_handler func, void *user_data)
 988 {
 989         tdm_private_output *private_output = private_layer->private_output;
 990         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */
 991
 992         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE) {
 993                 if (!private_output->commit_per_vblank)
 994                         private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
 995                 else
 996                         private_output->commit_type = TDM_COMMIT_TYPE_LAYER;
 997         }
 998
 999         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1000                 TDM_ERR("layer(%p)'s output(%d) dpms: %s", private_layer, private_output->pipe,
1001                                 tdm_dpms_str(private_output->current_dpms_value));
1002                 return TDM_ERROR_DPMS_OFF;
1003         }
1004
1005         /* don't call this inside of _tdm_layer_commit */
1006         ret = tdm_layer_commit_pending_data(private_layer);
1007         if (ret != TDM_ERROR_NONE) {
1008                 TDM_ERR("layer(%p) committing pending data failed", private_layer);
1009                 return ret;
1010         }
1011
1012         ret = _tdm_layer_commit(private_layer, func, user_data);
1013
1014         return ret;
1015 }
1016
1017 EXTERN tdm_error
1018 tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1019 {
1020         LAYER_FUNC_ENTRY();
1021
1022         _pthread_mutex_lock(&private_display->lock);
1023
1024         ret = tdm_layer_commit_internal(private_layer, func, user_data);
1025
1026         _pthread_mutex_unlock(&private_display->lock);
1027
1028         return ret;
1029 }
1030
1031 EXTERN tdm_error
1032 tdm_layer_is_committing(tdm_layer *layer, unsigned int *committing)
1033 {
1034         LAYER_FUNC_ENTRY();
1035
1036         TDM_RETURN_VAL_IF_FAIL(committing != NULL, TDM_ERROR_INVALID_PARAMETER);
1037
1038         _pthread_mutex_lock(&private_display->lock);
1039
1040         *committing = private_layer->committing;
1041
1042         _pthread_mutex_unlock(&private_display->lock);
1043
1044         return ret;
1045 }
1046
1047 INTERN void
1048 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1049 {
1050         tdm_private_layer *private_layer = (tdm_private_layer*)layer;
1051         tdm_private_output *private_output = private_layer->private_output;
1052         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
1053
1054         if (!func && !user_data)
1055                 return;
1056
1057         TDM_RETURN_IF_FAIL(private_layer != NULL);
1058         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1059
1060         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
1061                 if (lm->func == func && lm->user_data == user_data) {
1062                         LIST_DEL(&lm->link);
1063                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1064                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1065                         free(lm);
1066                         break;
1067                 }
1068         }
1069
1070         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
1071                 if (lm->func == func && lm->user_data == user_data) {
1072                         LIST_DEL(&lm->link);
1073                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1074                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1075                         free(lm);
1076                         break;
1077                 }
1078         }
1079 }
1080
1081 EXTERN tdm_error
1082 tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1083 {
1084         LAYER_FUNC_ENTRY();
1085
1086         _pthread_mutex_lock(&private_display->lock);
1087
1088         tdm_layer_remove_commit_handler_internal(layer, func, user_data);
1089
1090         _pthread_mutex_unlock(&private_display->lock);
1091
1092         return ret;
1093 }
1094
1095 EXTERN tbm_surface_h
1096 tdm_layer_get_displaying_buffer(tdm_layer *layer, tdm_error *error)
1097 {
1098         tbm_surface_h buffer;
1099         LAYER_FUNC_ENTRY_ERROR();
1100
1101         _pthread_mutex_lock(&private_display->lock);
1102
1103         if (error)
1104                 *error = TDM_ERROR_NONE;
1105
1106         if (private_layer->showing_buffer) {
1107                 buffer = private_layer->showing_buffer->buffer;
1108         } else {
1109                 if (error)
1110                         *error = TDM_ERROR_OPERATION_FAILED;
1111                 _pthread_mutex_unlock(&private_display->lock);
1112                 TDM_DBG("layer(%p) showing_buffer is null", private_layer);
1113                 return NULL;
1114         }
1115         _pthread_mutex_unlock(&private_display->lock);
1116
1117         return buffer;
1118 }
1119
1120 static void
1121 _tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data)
1122 {
1123         TDM_RETURN_IF_FAIL(data != NULL);
1124         tdm_layer *layer = data;
1125         tdm_func_layer *func_layer;
1126         tbm_surface_h surface = NULL;
1127         tdm_private_layer_buffer *layer_buffer;
1128         LAYER_FUNC_ENTRY_VOID_RETURN();
1129
1130         _pthread_mutex_lock(&private_display->lock);
1131
1132         func_layer = &private_display->func_layer;
1133         if (!func_layer->layer_set_buffer) {
1134                 /* LCOV_EXCL_START */
1135                 _pthread_mutex_unlock(&private_display->lock);
1136                 return;
1137                 /* LCOV_EXCL_STOP */
1138         }
1139
1140         layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
1141         if (!layer_buffer) {
1142                 /* LCOV_EXCL_START */
1143                 _pthread_mutex_unlock(&private_display->lock);
1144                 TDM_ERR("alloc failed");
1145                 return;
1146                 /* LCOV_EXCL_STOP */
1147         }
1148         LIST_INITHEAD(&layer_buffer->link);
1149
1150         if (TBM_SURFACE_QUEUE_ERROR_NONE != tbm_surface_queue_acquire(private_layer->buffer_queue, &surface) ||
1151                 surface == NULL) {
1152                 /* LCOV_EXCL_START */
1153                 TDM_ERR("layer(%p) tbm_surface_queue_acquire() failed surface:%p",
1154                                 private_layer, surface);
1155                 _pthread_mutex_unlock(&private_display->lock);
1156                 free(layer_buffer);
1157                 return;
1158                 /* LCOV_EXCL_STOP */
1159         }
1160
1161         /* we don't need to handle pending data here because the changes in this function
1162          * should be applied immediately. we can't expect calling tdm_layer_commit.
1163          */
1164         ret = func_layer->layer_set_buffer(private_layer->layer_backend, surface);
1165         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1166
1167         if (ret == TDM_ERROR_NONE) {
1168                 if (private_layer->waiting_buffer) {
1169                         TDM_DBG("layer(%p) drop waiting_buffer(%p)", private_layer, private_layer->waiting_buffer->buffer);
1170                         _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1171                 }
1172
1173                 private_layer->waiting_buffer = layer_buffer;
1174                 private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(surface);
1175
1176                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1177                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1178                                          private_layer, private_layer->waiting_buffer->buffer);
1179
1180                 if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
1181                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
1182                         if (ret != TDM_ERROR_NONE)
1183                                 TDM_ERR("tdm_output_commit_internal() is fail");
1184                 } else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1185                         ret = _tdm_layer_commit(private_layer, NULL, NULL);
1186                         if (ret != TDM_ERROR_NONE)
1187                                 TDM_ERR("layer(%p) _tdm_layer_commit() is fail", private_layer);
1188                 } else {
1189                         TDM_NEVER_GET_HERE();
1190                 }
1191         } else
1192                 _tdm_layer_free_buffer(private_layer, layer_buffer);
1193
1194         _pthread_mutex_unlock(&private_display->lock);
1195 }
1196
1197 static void
1198 _tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data)
1199 {
1200         TDM_RETURN_IF_FAIL(data != NULL);
1201         tdm_layer *layer = data;
1202         LAYER_FUNC_ENTRY_VOID_RETURN();
1203         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1204
1205         _pthread_mutex_lock(&private_display->lock);
1206
1207         private_layer->buffer_queue = NULL;
1208
1209         _tdm_layer_free_all_buffers(private_layer);
1210
1211         _pthread_mutex_unlock(&private_display->lock);
1212 }
1213
1214 EXTERN tdm_error
1215 tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue)
1216 {
1217         tdm_func_layer *func_layer;
1218         LAYER_FUNC_ENTRY();
1219
1220         TDM_RETURN_VAL_IF_FAIL(buffer_queue != NULL, TDM_ERROR_INVALID_PARAMETER);
1221
1222         _pthread_mutex_lock(&private_display->lock);
1223
1224         func_layer = &private_display->func_layer;
1225
1226         if (private_layer->usable)
1227                 TDM_INFO("layer(%p) not usable", private_layer);
1228
1229         private_layer->usable = 0;
1230
1231         if (!func_layer->layer_set_buffer) {
1232                 /* LCOV_EXCL_START */
1233                 _pthread_mutex_unlock(&private_display->lock);
1234                 TDM_ERR("not implemented!!");
1235                 return TDM_ERROR_NOT_IMPLEMENTED;
1236                 /* LCOV_EXCL_STOP */
1237         }
1238
1239         if (buffer_queue == private_layer->buffer_queue) {
1240                 _pthread_mutex_unlock(&private_display->lock);
1241                 return TDM_ERROR_NONE;
1242         }
1243
1244         if (private_layer->waiting_buffer) {
1245                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1246                 private_layer->waiting_buffer = NULL;
1247
1248                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1249                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1250                                          private_layer, private_layer->waiting_buffer);
1251         }
1252
1253         private_layer->buffer_queue = buffer_queue;
1254         tbm_surface_queue_add_acquirable_cb(private_layer->buffer_queue,
1255                                                                                 _tbm_layer_queue_acquirable_cb,
1256                                                                                 private_layer);
1257         tbm_surface_queue_add_destroy_cb(private_layer->buffer_queue,
1258                                                                          _tbm_layer_queue_destroy_cb,
1259                                                                          private_layer);
1260         _pthread_mutex_unlock(&private_display->lock);
1261
1262         return ret;
1263 }
1264
1265 EXTERN tdm_error
1266 tdm_layer_unset_buffer_queue(tdm_layer *layer)
1267 {
1268         return tdm_layer_unset_buffer(layer);
1269 }
1270
1271 EXTERN tdm_error
1272 tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable)
1273 {
1274         LAYER_FUNC_ENTRY();
1275
1276         TDM_RETURN_VAL_IF_FAIL(usable != NULL, TDM_ERROR_INVALID_PARAMETER);
1277
1278         _pthread_mutex_lock(&private_display->lock);
1279
1280         *usable = private_layer->usable;
1281
1282         _pthread_mutex_unlock(&private_display->lock);
1283
1284         return ret;
1285 }
1286
1287 EXTERN tdm_error
1288 tdm_layer_set_video_pos(tdm_layer *layer, int zpos)
1289 {
1290         tdm_func_layer *func_layer;
1291         LAYER_FUNC_ENTRY();
1292
1293         _pthread_mutex_lock(&private_display->lock);
1294
1295         func_layer = &private_display->func_layer;
1296
1297         if (!(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
1298                 TDM_ERR("layer(%p) is not video layer", private_layer);
1299                 _pthread_mutex_unlock(&private_display->lock);
1300                 return TDM_ERROR_INVALID_PARAMETER;
1301         }
1302
1303         if (!func_layer->layer_set_video_pos) {
1304                 /* LCOV_EXCL_START */
1305                 _pthread_mutex_unlock(&private_display->lock);
1306                 TDM_ERR("not implemented!!");
1307                 return TDM_ERROR_NOT_IMPLEMENTED;
1308                 /* LCOV_EXCL_STOP */
1309         }
1310
1311         ret = func_layer->layer_set_video_pos(private_layer->layer_backend, zpos);
1312
1313         _pthread_mutex_unlock(&private_display->lock);
1314
1315         return ret;
1316 }
1317
1318 EXTERN tdm_capture *
1319 tdm_layer_create_capture(tdm_layer *layer, tdm_error *error)
1320 {
1321         tdm_capture *capture = NULL;
1322
1323         LAYER_FUNC_ENTRY_ERROR();
1324
1325         _pthread_mutex_lock(&private_display->lock);
1326
1327         capture = (tdm_capture *)tdm_capture_create_layer_internal(private_layer, error);
1328
1329         _pthread_mutex_unlock(&private_display->lock);
1330
1331         return capture;
1332 }
1333
1334 EXTERN tdm_error
1335 tdm_layer_get_buffer_flags(tdm_layer *layer, unsigned int *flags)
1336 {
1337         tdm_func_layer *func_layer;
1338         LAYER_FUNC_ENTRY();
1339         TDM_RETURN_VAL_IF_FAIL(flags != NULL, TDM_ERROR_INVALID_PARAMETER);
1340
1341         _pthread_mutex_lock(&private_display->lock);
1342
1343         func_layer = &private_display->func_layer;
1344
1345         if (!func_layer->layer_get_buffer_flags) {
1346                 /* LCOV_EXCL_START */
1347                 *flags = 0;
1348                 _pthread_mutex_unlock(&private_display->lock);
1349                 TDM_ERR("not implemented!!");
1350                 return TDM_ERROR_NOT_IMPLEMENTED;
1351                 /* LCOV_EXCL_STOP */
1352         }
1353
1354         ret = func_layer->layer_get_buffer_flags(private_layer->layer_backend, flags);
1355
1356         _pthread_mutex_unlock(&private_display->lock);
1357
1358         return ret;
1359 }