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