src/tdm_layer.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm_private.h"
  41
  42 #define COUNT_MAX   10
  43
  44 #define LAYER_FUNC_ENTRY() \
  45         tdm_private_display *private_display; \
  46         tdm_private_output *private_output; \
  47         tdm_private_layer *private_layer; \
  48         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  49         TDM_RETURN_VAL_IF_FAIL(layer != NULL, TDM_ERROR_INVALID_PARAMETER); \
  50         private_layer = (tdm_private_layer*)layer; \
  51         private_output = private_layer->private_output; \
  52         private_display = private_output->private_display
  53
  54 #define LAYER_FUNC_ENTRY_ERROR() \
  55         tdm_private_display *private_display; \
  56         tdm_private_output *private_output; \
  57         tdm_private_layer *private_layer; \
  58         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  59         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(layer != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  60         private_layer = (tdm_private_layer*)layer; \
  61         private_output = private_layer->private_output; \
  62         private_display = private_output->private_display
  63
  64 #define LAYER_FUNC_ENTRY_VOID_RETURN() \
  65         tdm_private_display *private_display; \
  66         tdm_private_output *private_output; \
  67         tdm_private_layer *private_layer; \
  68         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  69         TDM_RETURN_IF_FAIL(layer != NULL); \
  70         private_layer = (tdm_private_layer*)layer; \
  71         private_output = private_layer->private_output; \
  72         private_display = private_output->private_display
  73
  74 static void _tdm_layer_free_buffer(tdm_private_layer *private_layer, tdm_private_layer_buffer *layer_buffer);
  75 static void _tdm_layer_cb_wait_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
  76                                                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data);
  77 static void _tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data);
  78 static void _tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data);
  79 static void _tdm_layer_cb_output_commit(tdm_output *output, unsigned int sequence,
  80                                                                                 unsigned int tv_sec, unsigned int tv_usec, void *user_data);
  81 static void _tdm_layer_reset_pending_data(tdm_private_layer *private_layer);
  82
  83 EXTERN tdm_error
  84 tdm_layer_get_capabilities(tdm_layer *layer, tdm_layer_capability *capabilities)
  85 {
  86         LAYER_FUNC_ENTRY();
  87
  88         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
  89
  90         _pthread_mutex_lock(&private_display->lock);
  91
  92         *capabilities = private_layer->caps.capabilities;
  93
  94         _pthread_mutex_unlock(&private_display->lock);
  95
  96         return ret;
  97 }
  98
  99 EXTERN tdm_error
 100 tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats, int *count)
 101 {
 102         LAYER_FUNC_ENTRY();
 103
 104         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
 105         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 106
 107         _pthread_mutex_lock(&private_display->lock);
 108
 109         *formats = (const tbm_format *)private_layer->caps.formats;
 110         *count = private_layer->caps.format_count;
 111
 112         _pthread_mutex_unlock(&private_display->lock);
 113
 114         return ret;
 115 }
 116
 117 EXTERN tdm_error
 118 tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props, int *count)
 119 {
 120         LAYER_FUNC_ENTRY();
 121
 122         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 123         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 124
 125         _pthread_mutex_lock(&private_display->lock);
 126
 127         *props = (const tdm_prop *)private_layer->caps.props;
 128         *count = private_layer->caps.prop_count;
 129
 130         _pthread_mutex_unlock(&private_display->lock);
 131
 132         return ret;
 133 }
 134
 135 EXTERN tdm_error
 136 tdm_layer_get_zpos(tdm_layer *layer, int *zpos)
 137 {
 138         LAYER_FUNC_ENTRY();
 139
 140         TDM_RETURN_VAL_IF_FAIL(zpos != NULL, TDM_ERROR_INVALID_PARAMETER);
 141
 142         _pthread_mutex_lock(&private_display->lock);
 143
 144         *zpos = private_layer->caps.zpos;
 145
 146         _pthread_mutex_unlock(&private_display->lock);
 147
 148         return ret;
 149 }
 150
 151 EXTERN tdm_error
 152 tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value)
 153 {
 154         tdm_func_layer *func_layer;
 155         LAYER_FUNC_ENTRY();
 156
 157         _pthread_mutex_lock(&private_display->lock);
 158
 159         func_layer = &private_display->func_layer;
 160
 161         if (private_layer->usable)
 162                 TDM_INFO("layer(%d) not usable", private_layer->index);
 163
 164         private_layer->usable = 0;
 165
 166         if (!func_layer->layer_set_property) {
 167                 /* LCOV_EXCL_START */
 168                 _pthread_mutex_unlock(&private_display->lock);
 169                 TDM_ERR("not implemented!!");
 170                 return TDM_ERROR_NOT_IMPLEMENTED;
 171                 /* LCOV_EXCL_STOP */
 172         }
 173
 174         ret = func_layer->layer_set_property(private_layer->layer_backend, id, value);
 175
 176         _pthread_mutex_unlock(&private_display->lock);
 177
 178         return ret;
 179 }
 180
 181 EXTERN tdm_error
 182 tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value)
 183 {
 184         tdm_func_layer *func_layer;
 185         LAYER_FUNC_ENTRY();
 186
 187         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 188
 189         _pthread_mutex_lock(&private_display->lock);
 190
 191         func_layer = &private_display->func_layer;
 192
 193         if (!func_layer->layer_get_property) {
 194                 /* LCOV_EXCL_START */
 195                 _pthread_mutex_unlock(&private_display->lock);
 196                 TDM_ERR("not implemented!!");
 197                 return TDM_ERROR_NOT_IMPLEMENTED;
 198                 /* LCOV_EXCL_SOP */
 199         }
 200
 201         ret = func_layer->layer_get_property(private_layer->layer_backend, id, value);
 202
 203         _pthread_mutex_unlock(&private_display->lock);
 204
 205         return ret;
 206 }
 207
 208 INTERN tdm_error
 209 tdm_layer_set_info_internal(tdm_private_layer *private_layer, tdm_info_layer *info)
 210 {
 211         tdm_private_output *private_output = private_layer->private_output;
 212         tdm_private_display *private_display = private_output->private_display;
 213         tdm_func_layer *func_layer;
 214         char fmtstr[128];
 215
 216         func_layer = &private_display->func_layer;
 217
 218         if (private_layer->usable)
 219                 TDM_INFO("layer(%p) not usable", private_layer);
 220
 221         private_layer->usable = 0;
 222
 223         if (!func_layer->layer_set_info) {
 224                 /* LCOV_EXCL_START */
 225                 TDM_ERR("not implemented!!");
 226                 return TDM_ERROR_NOT_IMPLEMENTED;
 227                 /* LCOV_EXCL_STOP */
 228         }
 229
 230         if (info->src_config.format)
 231                 snprintf(fmtstr, 128, "%c%c%c%c", FOURCC_STR(info->src_config.format));
 232         else
 233                 snprintf(fmtstr, 128, "NONE");
 234
 235         TDM_INFO("layer(%p) info: src(%ux%u %u,%u %ux%u %s) dst(%u,%u %ux%u) trans(%d)",
 236                          private_layer, info->src_config.size.h, info->src_config.size.v,
 237                          info->src_config.pos.x, info->src_config.pos.y,
 238                          info->src_config.pos.w, info->src_config.pos.h,
 239                          fmtstr,
 240                          info->dst_pos.x, info->dst_pos.y,
 241                          info->dst_pos.w, info->dst_pos.h,
 242                          info->transform);
 243
 244         private_layer->pending_info_changed = 1;
 245         private_layer->pending_info = *info;
 246
 247         return TDM_ERROR_NONE;
 248 }
 249
 250 EXTERN tdm_error
 251 tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info)
 252 {
 253         LAYER_FUNC_ENTRY();
 254
 255         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 256
 257         _pthread_mutex_lock(&private_display->lock);
 258
 259         ret = tdm_layer_set_info_internal(private_layer, info);
 260
 261         _pthread_mutex_unlock(&private_display->lock);
 262
 263         return ret;
 264 }
 265
 266 EXTERN tdm_error
 267 tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info)
 268 {
 269         tdm_func_layer *func_layer;
 270         LAYER_FUNC_ENTRY();
 271
 272         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 273
 274         _pthread_mutex_lock(&private_display->lock);
 275
 276         func_layer = &private_display->func_layer;
 277
 278         if (!func_layer->layer_get_info) {
 279                 /* LCOV_EXCL_START */
 280                 _pthread_mutex_unlock(&private_display->lock);
 281                 TDM_ERR("not implemented!!");
 282                 return TDM_ERROR_NOT_IMPLEMENTED;
 283                 /* LCOV_EXCL_STOP */
 284         }
 285
 286         ret = func_layer->layer_get_info(private_layer->layer_backend, info);
 287
 288         _pthread_mutex_unlock(&private_display->lock);
 289
 290         return ret;
 291 }
 292
 293 /* LCOV_EXCL_START */
 294 static void
 295 _tdm_layer_dump_buffer(tdm_layer *layer, tbm_surface_h buffer)
 296 {
 297         tdm_private_layer *private_layer = (tdm_private_layer*)layer;
 298         tdm_private_output *private_output = private_layer->private_output;
 299         unsigned int pipe;
 300         char fname[TDM_PATH_LEN], bufs[TDM_PATH_LEN];
 301         int zpos, len = TDM_PATH_LEN;
 302         tdm_private_layer *l = NULL;
 303         char *p = bufs;
 304         int *remain = &len;
 305
 306         pipe = private_output->pipe;
 307         zpos = private_layer->caps.zpos;
 308
 309         bufs[0] = '\0';
 310         LIST_FOR_EACH_ENTRY(l, &private_output->layer_list, link) {
 311                 if (!l->showing_buffer)
 312                         continue;
 313                 TDM_SNPRINTF(p, remain, "_%p", l->showing_buffer->buffer);
 314         }
 315
 316         snprintf(fname, sizeof(fname), "tdm_%d_lyr_%d%s", pipe, zpos, bufs);
 317
 318         tbm_surface_internal_dump_buffer(buffer, fname);
 319         TDM_DBG("%s dump excute", fname);
 320
 321         return;
 322 }
 323 /* LCOV_EXCL_STOP */
 324
 325 static void
 326 _tdm_layer_free_buffer(tdm_private_layer *private_layer, tdm_private_layer_buffer *layer_buffer)
 327 {
 328         tdm_private_display *private_display;
 329
 330         if (!layer_buffer)
 331                 return;
 332
 333         private_display = private_layer->private_output->private_display;
 334
 335         LIST_DEL(&layer_buffer->link);
 336         if (layer_buffer->buffer) {
 337                 _pthread_mutex_unlock(&private_display->lock);
 338                 tdm_buffer_unref_backend(layer_buffer->buffer);
 339                 if (private_layer->buffer_queue)
 340                         tbm_surface_queue_release(private_layer->buffer_queue, layer_buffer->buffer);
 341                 _pthread_mutex_lock(&private_display->lock);
 342         }
 343         free(layer_buffer);
 344 }
 345
 346 static void
 347 _tdm_layer_free_all_buffers(tdm_private_layer *private_layer)
 348 {
 349         tdm_private_output *private_output = private_layer->private_output;
 350         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 351         struct list_head clone_list;
 352
 353         LIST_INITHEAD(&clone_list);
 354
 355         _tdm_layer_reset_pending_data(private_layer);
 356
 357         if (private_layer->waiting_buffer) {
 358                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
 359                 private_layer->waiting_buffer = NULL;
 360
 361                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 362                         TDM_INFO("layer(%p) waiting_buffer(%p)",
 363                                          private_layer, private_layer->waiting_buffer);
 364         }
 365
 366         if (private_layer->committed_buffer) {
 367                 _tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
 368                 private_layer->committed_buffer = NULL;
 369
 370                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 371                         TDM_INFO("layer(%p) committed_buffer(%p)",
 372                                          private_layer, private_layer->committed_buffer);
 373         }
 374
 375         if (private_layer->showing_buffer) {
 376                 _tdm_layer_free_buffer(private_layer, private_layer->showing_buffer);
 377                 private_layer->showing_buffer = NULL;
 378
 379                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 380                         TDM_INFO("layer(%p) showing_buffer(%p)",
 381                                          private_layer, private_layer->showing_buffer);
 382         }
 383
 384         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 385                 if (lm->private_layer != private_layer)
 386                         continue;
 387                 LIST_DEL(&lm->link);
 388                 LIST_ADDTAIL(&lm->link, &clone_list);
 389         }
 390
 391         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 392                 LIST_DEL(&lm->link);
 393                 tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
 394                 _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
 395                 free(lm);
 396         }
 397
 398         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 399                 if (lm->private_layer != private_layer)
 400                         continue;
 401                 LIST_DEL(&lm->link);
 402                 LIST_ADDTAIL(&lm->link, &clone_list);
 403         }
 404
 405         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 406                 LIST_DEL(&lm->link);
 407                 _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
 408                 free(lm);
 409         }
 410
 411         if (private_layer->buffer_queue) {
 412                 tbm_surface_queue_remove_acquirable_cb(private_layer->buffer_queue, _tbm_layer_queue_acquirable_cb, private_layer);
 413                 tbm_surface_queue_remove_destroy_cb(private_layer->buffer_queue, _tbm_layer_queue_destroy_cb, private_layer);
 414                 private_layer->buffer_queue = NULL;
 415         }
 416 }
 417
 418 EXTERN tdm_error
 419 tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer)
 420 {
 421         tdm_func_layer *func_layer;
 422
 423         LAYER_FUNC_ENTRY();
 424
 425         TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 426
 427         _pthread_mutex_lock(&private_display->lock);
 428
 429         /* LCOV_EXCL_START */
 430         /* dump buffer */
 431         if (tdm_dump_enable && !(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO))
 432                 _tdm_layer_dump_buffer(private_layer, buffer);
 433
 434         if (tdm_debug_dump & TDM_DUMP_FLAG_LAYER &&
 435                 !(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
 436                 char str[TDM_PATH_LEN];
 437                 static int i;
 438                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d_%03d",
 439                                  private_output->index, private_layer->index, i++);
 440                 tdm_helper_dump_buffer_str(buffer, tdm_debug_dump_dir, str);
 441         }
 442         /* LCOV_EXCL_STOP */
 443
 444         func_layer = &private_display->func_layer;
 445
 446         if (private_layer->usable)
 447                 TDM_INFO("layer(%p) not usable", private_layer);
 448
 449         private_layer->usable = 0;
 450
 451         if (!func_layer->layer_set_buffer) {
 452                 /* LCOV_EXCL_START */
 453                 _pthread_mutex_unlock(&private_display->lock);
 454                 TDM_ERR("not implemented!!");
 455                 return TDM_ERROR_NOT_IMPLEMENTED;
 456                 /* LCOV_EXCL_START */
 457         }
 458
 459         private_layer->pending_buffer_changed = 1;
 460
 461         if (private_layer->pending_buffer) {
 462
 463                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 464                         TDM_INFO("layer(%p) pending_buffer(%p) skipped",
 465                                          private_layer, private_layer->pending_buffer);
 466
 467                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 468                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->pending_buffer, 0);
 469                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 470                 }
 471
 472                 tbm_surface_internal_unref(private_layer->pending_buffer);
 473         }
 474
 475         tbm_surface_internal_ref(buffer);
 476         private_layer->pending_buffer = buffer;
 477
 478         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 479                 TDM_INFO("layer(%p) pending_buffer(%p)",
 480                                  private_layer, private_layer->pending_buffer);
 481
 482         if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 483                 tbm_bo bo = tbm_surface_internal_get_bo(private_layer->pending_buffer, 0);
 484                 TDM_TRACE_ASYNC_BEGIN((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 485         }
 486
 487         _pthread_mutex_unlock(&private_display->lock);
 488
 489         return ret;
 490 }
 491
 492 EXTERN tdm_error
 493 tdm_layer_unset_buffer(tdm_layer *layer)
 494 {
 495         tdm_func_layer *func_layer;
 496         LAYER_FUNC_ENTRY();
 497
 498         _pthread_mutex_lock(&private_display->lock);
 499
 500         func_layer = &private_display->func_layer;
 501
 502         _tdm_layer_free_all_buffers(private_layer);
 503
 504         private_layer->usable = 1;
 505
 506         if (private_layer->usable)
 507                 TDM_INFO("layer(%p) now usable", private_layer);
 508
 509         if (!func_layer->layer_unset_buffer) {
 510                 /* LCOV_EXCL_START */
 511                 _pthread_mutex_unlock(&private_display->lock);
 512                 TDM_ERR("not implemented!!");
 513                 return TDM_ERROR_NOT_IMPLEMENTED;
 514                 /* LCOV_EXCL_START */
 515         }
 516
 517         ret = func_layer->layer_unset_buffer(private_layer->layer_backend);
 518         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 519
 520         _pthread_mutex_unlock(&private_display->lock);
 521
 522         return ret;
 523 }
 524
 525 INTERN void
 526 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer)
 527 {
 528         tdm_private_output *private_output = private_layer->private_output;
 529         tdm_private_display *private_display = private_output->private_display;
 530
 531         /* LCOV_EXCL_START */
 532         if (private_display->print_fps) {
 533                 double curr = tdm_helper_get_time();
 534                 if (private_layer->fps_stamp == 0) {
 535                         private_layer->fps_stamp = curr;
 536                 } else if ((curr - private_layer->fps_stamp) > 1.0) {
 537                         TDM_INFO("output(%d) layer(%d) fps: %d", private_output->index, private_layer->index, private_layer->fps_count);
 538                         private_layer->fps_count = 0;
 539                         private_layer->fps_stamp = curr;
 540                 } else
 541                         private_layer->fps_count++;
 542         } else if (private_layer->fps_stamp != 0) {
 543                 private_layer->fps_stamp = 0;
 544                 private_layer->fps_count = 0;
 545         }
 546         /* LCOV_EXCL_STOP */
 547
 548         if (private_layer->showing_buffer) {
 549                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 550                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->showing_buffer->buffer, 0);
 551                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 552                 }
 553
 554                 _tdm_layer_free_buffer(private_layer, private_layer->showing_buffer);
 555         }
 556
 557         private_layer->showing_buffer = *committed_buffer;
 558         *committed_buffer = NULL;
 559
 560         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 561                 TDM_INFO("layer(%p) committed_buffer(%p) showing_buffer(%p)",
 562                                  private_layer, *committed_buffer,
 563                                  (private_layer->showing_buffer) ? private_layer->showing_buffer->buffer : NULL);
 564 }
 565
 566 static void
 567 _tdm_layer_got_output_vblank(tdm_private_output *private_output, unsigned int sequence,
 568                                                          unsigned int tv_sec, unsigned int tv_usec)
 569 {
 570         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 571         tdm_private_display *private_display;
 572         struct list_head clone_list, pending_clone_list;
 573         tdm_error ret = TDM_ERROR_NONE;
 574
 575         private_display = private_output->private_display;
 576
 577         private_output->layer_waiting_vblank = 0;
 578
 579         LIST_INITHEAD(&clone_list);
 580         LIST_INITHEAD(&pending_clone_list);
 581
 582         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 583                 LIST_DEL(&lm->link);
 584                 lm->private_layer->committing = 0;
 585                 LIST_ADDTAIL(&lm->link, &clone_list);
 586         }
 587
 588         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 589                 LIST_DEL(&lm->link);
 590                 lm->private_layer->committing = 0;
 591                 LIST_ADDTAIL(&lm->link, &pending_clone_list);
 592         }
 593
 594         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 595                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 596                         TDM_INFO("layer(%p) committed. handle(%p) commited_buffer(%p)",
 597                                          lm->private_layer, lm, (lm->committed_buffer) ? lm->committed_buffer->buffer : NULL);
 598
 599                 LIST_DEL(&lm->link);
 600                 tdm_layer_committed(lm->private_layer, &lm->committed_buffer);
 601                 _pthread_mutex_unlock(&private_display->lock);
 602                 if (lm->func)
 603                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 604                 _pthread_mutex_lock(&private_display->lock);
 605                 if (lm->committed_buffer)
 606                         _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 607                 free(lm);
 608         }
 609
 610         if (LIST_IS_EMPTY(&pending_clone_list))
 611                 return;
 612
 613         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, wait_failed);
 614
 615         ret = tdm_output_commit_internal(private_output, 0, NULL, NULL);
 616         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 617
 618         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 619                 TDM_INFO("layer commit: output(%d) commit", private_output->pipe);
 620
 621         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 622                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 623                 if (!private_output->layer_waiting_vblank) {
 624                         _pthread_mutex_unlock(&private_display->lock);
 625                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 626                         _pthread_mutex_lock(&private_display->lock);
 627                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 628                         private_output->layer_waiting_vblank = 1;
 629                 }
 630         }
 631
 632         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 633                 TDM_INFO("layer commit: output(%d) wait vblank", private_output->pipe);
 634
 635         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 636                 LIST_DEL(&lm->link);
 637                 LIST_ADDTAIL(&lm->link, &private_output->layer_commit_handler_list);
 638         }
 639
 640         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 641                 TDM_WRN("dpms %s. Directly call vblank callback.", tdm_dpms_str(private_output->current_dpms_value));
 642                 _pthread_mutex_unlock(&private_display->lock);
 643                 _tdm_layer_cb_wait_vblank(private_output->vblank, 0, 0, 0, 0, private_output);
 644                 _pthread_mutex_lock(&private_display->lock);
 645         }
 646
 647         return;
 648 wait_failed:
 649         /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 650          * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 651          * the layer commit handler MUST be called.
 652          */
 653         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 654                 TDM_WRN("Directly call layer commit handlers: ret(%d)\n", ret);
 655                 LIST_DEL(&lm->link);
 656                 _pthread_mutex_unlock(&private_display->lock);
 657                 if (lm->func)
 658                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 659                 _pthread_mutex_lock(&private_display->lock);
 660                 _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 661                 free(lm);
 662         }
 663
 664         return;
 665 }
 666
 667 static void
 668 _tdm_layer_cb_output_commit(tdm_output *output, unsigned int sequence,
 669                                                         unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 670 {
 671         tdm_private_layer_commit_handler *layer_commit_handler = user_data;
 672         tdm_private_layer_commit_handler *lm = NULL;
 673         tdm_private_display *private_display;
 674         tdm_private_output *private_output = output;
 675         tdm_private_layer *private_layer;
 676         int found = 0;
 677
 678         TDM_RETURN_IF_FAIL(layer_commit_handler != NULL);
 679
 680         private_display = private_output->private_display;
 681
 682         LIST_FOR_EACH_ENTRY(lm, &private_output->layer_commit_handler_list, link) {
 683                 if (layer_commit_handler == lm) {
 684                         found = 1;
 685                         break;
 686                 }
 687         }
 688
 689         if (!found)
 690                 return;
 691
 692         LIST_DEL(&layer_commit_handler->link);
 693
 694         private_layer = layer_commit_handler->private_layer;
 695
 696         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 697                 TDM_INFO("layer(%p) commit: output(%d) committed. handle(%p)",
 698                                  private_layer, private_output->pipe, layer_commit_handler);
 699
 700         _pthread_mutex_lock(&private_display->lock);
 701
 702         tdm_layer_committed(private_layer, &layer_commit_handler->committed_buffer);
 703
 704         if (layer_commit_handler->func) {
 705                 _pthread_mutex_unlock(&private_display->lock);
 706                 layer_commit_handler->func(private_output, sequence,
 707                                                                    tv_sec, tv_usec, layer_commit_handler->user_data);
 708                 _pthread_mutex_lock(&private_display->lock);
 709         }
 710
 711         free(layer_commit_handler);
 712
 713         _pthread_mutex_unlock(&private_display->lock);
 714 }
 715
 716 static void
 717 _tdm_layer_cb_wait_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 718                                                   unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 719 {
 720         tdm_private_output *private_output = user_data;
 721         tdm_private_display *private_display;
 722
 723         TDM_RETURN_IF_FAIL(private_output != NULL);
 724
 725         private_display = private_output->private_display;
 726
 727         _pthread_mutex_lock(&private_display->lock);
 728
 729         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 730                 TDM_INFO("layer commit: output(%d) got vblank", private_output->pipe);
 731
 732         _tdm_layer_got_output_vblank(private_output, sequence, tv_sec, tv_usec);
 733
 734         _pthread_mutex_unlock(&private_display->lock);
 735 }
 736
 737 static unsigned int
 738 _tdm_lauer_get_output_used_layer_count(tdm_private_output *private_output)
 739 {
 740         tdm_private_layer *private_layer = NULL;
 741         unsigned int count = 0;
 742
 743         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 744                 if (!private_layer->usable)
 745                         count++;
 746         }
 747
 748         return count;
 749 }
 750
 751 /* commit_per_vblank == 1: we can commit if
 752  *                           - there is no previous commit request
 753  *                           - only 1 layer is used
 754  * commit_per_vblank == 2: we can commit if
 755  *                           - there is no previous commit request
 756  */
 757 static int
 758 _tdm_layer_commit_possible(tdm_private_layer *private_layer)
 759 {
 760         tdm_private_output *private_output = private_layer->private_output;
 761
 762         TDM_RETURN_VAL_IF_FAIL(private_output->commit_per_vblank > 0, 1);
 763
 764         /* There is a previous commit request which is not done and displayed on screen yet.
 765          * We can't commit at this time.
 766          */
 767         if (!LIST_IS_EMPTY(&private_output->layer_commit_handler_list)) {
 768                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 769                         TDM_INFO("layer(%p) commit: not possible(previous commit)", private_layer);
 770                 return 0;
 771         }
 772
 773         if (private_output->commit_per_vblank == 1 && _tdm_lauer_get_output_used_layer_count(private_output) > 1) {
 774                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 775                         TDM_INFO("layer(%p) commit: not possible(more than 2 layers)", private_layer);
 776                 return 0;
 777         }
 778
 779         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 780                 TDM_INFO("layer(%p) commit: possible", private_layer);
 781
 782         return 1;
 783 }
 784
 785 static void
 786 _tdm_layer_reset_pending_data(tdm_private_layer *private_layer)
 787 {
 788         private_layer->pending_info_changed = 0;
 789         memset(&private_layer->pending_info, 0, sizeof private_layer->pending_info);
 790
 791         private_layer->pending_buffer_changed = 0;
 792         if (private_layer->pending_buffer) {
 793                 tbm_surface_internal_unref(private_layer->pending_buffer);
 794                 private_layer->pending_buffer = NULL;
 795         }
 796 }
 797
 798 INTERN tdm_error
 799 tdm_layer_commit_pending_data(tdm_private_layer *private_layer)
 800 {
 801         tdm_private_output *private_output = private_layer->private_output;
 802         tdm_private_display *private_display = private_output->private_display;
 803         tdm_func_layer *func_layer;
 804         tdm_error ret = TDM_ERROR_NONE;
 805
 806         func_layer = &private_display->func_layer;
 807
 808         if (private_layer->pending_info_changed) {
 809                 ret = func_layer->layer_set_info(private_layer->layer_backend, &private_layer->pending_info);
 810                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, done);
 811         }
 812
 813         if (private_layer->pending_buffer_changed) {
 814                 tdm_private_layer_buffer *layer_buffer;
 815
 816                 layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
 817                 TDM_GOTO_IF_FAIL(layer_buffer != NULL, done);
 818
 819                 LIST_INITHEAD(&layer_buffer->link);
 820
 821                 ret = func_layer->layer_set_buffer(private_layer->layer_backend, private_layer->pending_buffer);
 822                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 823
 824                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 825                         TDM_INFO("layer(%p) pending_buffer(%p) committed",
 826                                          private_layer, private_layer->pending_buffer);
 827
 828                 if (ret == TDM_ERROR_NONE) {
 829                         if (private_layer->waiting_buffer)
 830                                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
 831
 832                         private_layer->waiting_buffer = layer_buffer;
 833                         private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(private_layer->pending_buffer);
 834                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 835                                 TDM_INFO("layer(%p) waiting_buffer(%p)",
 836                                                  private_layer, private_layer->waiting_buffer->buffer);
 837                 } else
 838                         _tdm_layer_free_buffer(private_layer, layer_buffer);
 839         }
 840
 841 done:
 842         _tdm_layer_reset_pending_data(private_layer);
 843
 844         return ret;
 845 }
 846
 847 /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 848  * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 849  * the layer commit handler MUST be called.
 850  */
 851 static tdm_error
 852 _tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 853 {
 854         tdm_private_layer_commit_handler *layer_commit_handler;
 855         LAYER_FUNC_ENTRY();
 856
 857         layer_commit_handler = calloc(1, sizeof(tdm_private_layer_commit_handler));
 858         if (!layer_commit_handler) {
 859                 /* LCOV_EXCL_START */
 860                 TDM_ERR("failed: alloc memory");
 861                 return TDM_ERROR_OUT_OF_MEMORY;
 862                 /* LCOV_EXCL_STOP */
 863         }
 864
 865         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 866                 TDM_INFO("layer(%p) commit: handle(%p)", private_layer, layer_commit_handler);
 867
 868         LIST_INITHEAD(&layer_commit_handler->link);
 869         layer_commit_handler->private_layer = private_layer;
 870         layer_commit_handler->func = func;
 871         layer_commit_handler->user_data = user_data;
 872
 873         layer_commit_handler->committed_buffer = private_layer->waiting_buffer;
 874         private_layer->waiting_buffer = NULL;
 875
 876         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 877                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 878                                  private_layer, private_layer->waiting_buffer,
 879                                  (layer_commit_handler->committed_buffer) ? layer_commit_handler->committed_buffer->buffer : NULL);
 880
 881         if (!private_output->commit_per_vblank) {
 882                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT, commit_failed);
 883
 884                 LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 885                 ret = tdm_output_commit_internal(private_layer->private_output, 0, _tdm_layer_cb_output_commit, layer_commit_handler);
 886                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 887
 888                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 889                         TDM_INFO("layer(%p) commit: no commit-per-vblank", private_layer);
 890         } else {
 891                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_LAYER, commit_failed);
 892
 893                 if (private_layer->committing)
 894                         TDM_WRN("layer(%d) too many commit", private_layer->index);
 895                 else
 896                         private_layer->committing = 1;
 897
 898                 if (_tdm_layer_commit_possible(private_layer)) {
 899                         /* add to layer_commit_handler_list */
 900                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 901                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
 902                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 903
 904                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 905                                 TDM_INFO("layer(%p) commit: output", private_layer);
 906                 } else {
 907                         /* add to pending_commit_handler_list. It will be commited when a vblank occurs */
 908                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->pending_commit_handler_list);
 909
 910                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 911                                 TDM_INFO("layer(%p) commit: pending", private_layer);
 912                 }
 913
 914                 if (!private_output->vblank) {
 915                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 916                         _pthread_mutex_unlock(&private_display->lock);
 917                         private_output->vblank = tdm_vblank_create(private_display, private_output, NULL);
 918                         _pthread_mutex_lock(&private_display->lock);
 919                         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, commit_failed);
 920                 }
 921
 922                 if (!private_output->layer_waiting_vblank) {
 923                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 924                         _pthread_mutex_unlock(&private_display->lock);
 925                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 926                         _pthread_mutex_lock(&private_display->lock);
 927                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 928                         private_output->layer_waiting_vblank = 1;
 929
 930                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 931                                 TDM_INFO("layer(%p) commit: wait vblank", private_layer);
 932                 }
 933         }
 934
 935         return ret;
 936
 937 commit_failed:
 938         if (layer_commit_handler) {
 939                 private_layer->waiting_buffer = layer_commit_handler->committed_buffer;
 940                 LIST_DEL(&layer_commit_handler->link);
 941                 free(layer_commit_handler);
 942         }
 943         return ret;
 944 }
 945
 946 INTERN tdm_error
 947 tdm_layer_commit_internal(tdm_private_layer *private_layer, tdm_layer_commit_handler func, void *user_data)
 948 {
 949         tdm_private_output *private_output = private_layer->private_output;
 950         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */
 951
 952         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE) {
 953                 if (!private_output->commit_per_vblank)
 954                         private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
 955                 else
 956                         private_output->commit_type = TDM_COMMIT_TYPE_LAYER;
 957         }
 958
 959         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 960                 TDM_ERR("layer(%p)'s output(%d) dpms: %s", private_layer, private_output->pipe,
 961                                 tdm_dpms_str(private_output->current_dpms_value));
 962                 return TDM_ERROR_DPMS_OFF;
 963         }
 964
 965         /* don't call this inside of _tdm_layer_commit */
 966         ret = tdm_layer_commit_pending_data(private_layer);
 967         if (ret != TDM_ERROR_NONE) {
 968                 TDM_ERR("layer(%p) committing pending data failed", private_layer);
 969                 return ret;
 970         }
 971
 972         ret = _tdm_layer_commit(private_layer, func, user_data);
 973
 974         return ret;
 975 }
 976
 977 EXTERN tdm_error
 978 tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 979 {
 980         LAYER_FUNC_ENTRY();
 981
 982         _pthread_mutex_lock(&private_display->lock);
 983
 984         ret = tdm_layer_commit_internal(private_layer, func, user_data);
 985
 986         _pthread_mutex_unlock(&private_display->lock);
 987
 988         return ret;
 989 }
 990
 991 EXTERN tdm_error
 992 tdm_layer_is_committing(tdm_layer *layer, unsigned int *committing)
 993 {
 994         LAYER_FUNC_ENTRY();
 995
 996         TDM_RETURN_VAL_IF_FAIL(committing != NULL, TDM_ERROR_INVALID_PARAMETER);
 997
 998         _pthread_mutex_lock(&private_display->lock);
 999
1000         *committing = private_layer->committing;
1001
1002         _pthread_mutex_unlock(&private_display->lock);
1003
1004         return ret;
1005 }
1006
1007 INTERN void
1008 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1009 {
1010         tdm_private_layer *private_layer = (tdm_private_layer*)layer;
1011         tdm_private_output *private_output = private_layer->private_output;
1012         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
1013
1014         TDM_RETURN_IF_FAIL(private_layer != NULL);
1015         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1016
1017         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
1018                 if (lm->func == func && lm->user_data == user_data) {
1019                         LIST_DEL(&lm->link);
1020                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1021                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1022                         free(lm);
1023                         break;
1024                 }
1025         }
1026
1027         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
1028                 if (lm->func == func && lm->user_data == user_data) {
1029                         LIST_DEL(&lm->link);
1030                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1031                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1032                         free(lm);
1033                         break;
1034                 }
1035         }
1036 }
1037
1038 EXTERN tdm_error
1039 tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1040 {
1041         LAYER_FUNC_ENTRY();
1042
1043         _pthread_mutex_lock(&private_display->lock);
1044
1045         tdm_layer_remove_commit_handler_internal(layer, func, user_data);
1046
1047         _pthread_mutex_unlock(&private_display->lock);
1048
1049         return ret;
1050 }
1051
1052 EXTERN tbm_surface_h
1053 tdm_layer_get_displaying_buffer(tdm_layer *layer, tdm_error *error)
1054 {
1055         tbm_surface_h buffer;
1056         LAYER_FUNC_ENTRY_ERROR();
1057
1058         _pthread_mutex_lock(&private_display->lock);
1059
1060         if (error)
1061                 *error = TDM_ERROR_NONE;
1062
1063         if (private_layer->showing_buffer) {
1064                 buffer = private_layer->showing_buffer->buffer;
1065         } else {
1066                 if (error)
1067                         *error = TDM_ERROR_OPERATION_FAILED;
1068                 _pthread_mutex_unlock(&private_display->lock);
1069                 TDM_DBG("layer(%p) showing_buffer is null", private_layer);
1070                 return NULL;
1071         }
1072         _pthread_mutex_unlock(&private_display->lock);
1073
1074         return buffer;
1075 }
1076
1077 static void
1078 _tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data)
1079 {
1080         TDM_RETURN_IF_FAIL(data != NULL);
1081         tdm_layer *layer = data;
1082         tdm_func_layer *func_layer;
1083         tbm_surface_h surface = NULL;
1084         tdm_private_layer_buffer *layer_buffer;
1085         LAYER_FUNC_ENTRY_VOID_RETURN();
1086
1087         _pthread_mutex_lock(&private_display->lock);
1088
1089         func_layer = &private_display->func_layer;
1090         if (!func_layer->layer_set_buffer) {
1091                 /* LCOV_EXCL_START */
1092                 _pthread_mutex_unlock(&private_display->lock);
1093                 return;
1094                 /* LCOV_EXCL_STOP */
1095         }
1096
1097         layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
1098         if (!layer_buffer) {
1099                 /* LCOV_EXCL_START */
1100                 _pthread_mutex_unlock(&private_display->lock);
1101                 TDM_ERR("alloc failed");
1102                 return;
1103                 /* LCOV_EXCL_STOP */
1104         }
1105         LIST_INITHEAD(&layer_buffer->link);
1106
1107         if (TBM_SURFACE_QUEUE_ERROR_NONE != tbm_surface_queue_acquire(private_layer->buffer_queue, &surface) ||
1108                 surface == NULL) {
1109                 /* LCOV_EXCL_START */
1110                 TDM_ERR("layer(%p) tbm_surface_queue_acquire() failed surface:%p",
1111                                 private_layer, surface);
1112                 _pthread_mutex_unlock(&private_display->lock);
1113                 free(layer_buffer);
1114                 return;
1115                 /* LCOV_EXCL_STOP */
1116         }
1117
1118         /* we don't need to handle pending data here because the changes in this function
1119          * should be applied immediately. we can't expect calling tdm_layer_commit.
1120          */
1121         ret = func_layer->layer_set_buffer(private_layer->layer_backend, surface);
1122         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1123
1124         if (ret == TDM_ERROR_NONE) {
1125                 if (private_layer->waiting_buffer) {
1126                         TDM_DBG("layer(%p) drop waiting_buffer(%p)", private_layer, private_layer->waiting_buffer->buffer);
1127                         _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1128                 }
1129
1130                 private_layer->waiting_buffer = layer_buffer;
1131                 private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(surface);
1132
1133                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1134                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1135                                          private_layer, private_layer->waiting_buffer->buffer);
1136
1137                 if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
1138                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
1139                         if (ret != TDM_ERROR_NONE)
1140                                 TDM_ERR("tdm_output_commit_internal() is fail");
1141                 } else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1142                         ret = _tdm_layer_commit(private_layer, NULL, NULL);
1143                         if (ret != TDM_ERROR_NONE)
1144                                 TDM_ERR("layer(%p) _tdm_layer_commit() is fail", private_layer);
1145                 } else {
1146                         TDM_NEVER_GET_HERE();
1147                 }
1148         } else
1149                 _tdm_layer_free_buffer(private_layer, layer_buffer);
1150
1151         _pthread_mutex_unlock(&private_display->lock);
1152 }
1153
1154 static void
1155 _tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data)
1156 {
1157         TDM_RETURN_IF_FAIL(data != NULL);
1158         tdm_layer *layer = data;
1159         LAYER_FUNC_ENTRY_VOID_RETURN();
1160         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1161
1162         _pthread_mutex_lock(&private_display->lock);
1163
1164         private_layer->buffer_queue = NULL;
1165
1166         _tdm_layer_free_all_buffers(private_layer);
1167
1168         _pthread_mutex_unlock(&private_display->lock);
1169 }
1170
1171 EXTERN tdm_error
1172 tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue)
1173 {
1174         tdm_func_layer *func_layer;
1175         LAYER_FUNC_ENTRY();
1176
1177         TDM_RETURN_VAL_IF_FAIL(buffer_queue != NULL, TDM_ERROR_INVALID_PARAMETER);
1178
1179         _pthread_mutex_lock(&private_display->lock);
1180
1181         func_layer = &private_display->func_layer;
1182
1183         if (private_layer->usable)
1184                 TDM_INFO("layer(%p) not usable", private_layer);
1185
1186         private_layer->usable = 0;
1187
1188         if (!func_layer->layer_set_buffer) {
1189                 /* LCOV_EXCL_START */
1190                 _pthread_mutex_unlock(&private_display->lock);
1191                 TDM_ERR("not implemented!!");
1192                 return TDM_ERROR_NOT_IMPLEMENTED;
1193                 /* LCOV_EXCL_STOP */
1194         }
1195
1196         if (buffer_queue == private_layer->buffer_queue) {
1197                 _pthread_mutex_unlock(&private_display->lock);
1198                 return TDM_ERROR_NONE;
1199         }
1200
1201         if (private_layer->waiting_buffer) {
1202                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1203                 private_layer->waiting_buffer = NULL;
1204
1205                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1206                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1207                                          private_layer, private_layer->waiting_buffer);
1208         }
1209
1210         private_layer->buffer_queue = buffer_queue;
1211         tbm_surface_queue_add_acquirable_cb(private_layer->buffer_queue,
1212                                                                                 _tbm_layer_queue_acquirable_cb,
1213                                                                                 private_layer);
1214         tbm_surface_queue_add_destroy_cb(private_layer->buffer_queue,
1215                                                                          _tbm_layer_queue_destroy_cb,
1216                                                                          private_layer);
1217         _pthread_mutex_unlock(&private_display->lock);
1218
1219         return ret;
1220 }
1221
1222 EXTERN tdm_error
1223 tdm_layer_unset_buffer_queue(tdm_layer *layer)
1224 {
1225         return tdm_layer_unset_buffer(layer);
1226 }
1227
1228 EXTERN tdm_error
1229 tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable)
1230 {
1231         LAYER_FUNC_ENTRY();
1232
1233         TDM_RETURN_VAL_IF_FAIL(usable != NULL, TDM_ERROR_INVALID_PARAMETER);
1234
1235         _pthread_mutex_lock(&private_display->lock);
1236
1237         *usable = private_layer->usable;
1238
1239         _pthread_mutex_unlock(&private_display->lock);
1240
1241         return ret;
1242 }
1243
1244 EXTERN tdm_error
1245 tdm_layer_set_video_pos(tdm_layer *layer, int zpos)
1246 {
1247         tdm_func_layer *func_layer;
1248         LAYER_FUNC_ENTRY();
1249
1250         _pthread_mutex_lock(&private_display->lock);
1251
1252         func_layer = &private_display->func_layer;
1253
1254         if (!(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
1255                 TDM_ERR("layer(%p) is not video layer", private_layer);
1256                 _pthread_mutex_unlock(&private_display->lock);
1257                 return TDM_ERROR_INVALID_PARAMETER;
1258         }
1259
1260         if (!func_layer->layer_set_video_pos) {
1261                 /* LCOV_EXCL_START */
1262                 _pthread_mutex_unlock(&private_display->lock);
1263                 TDM_ERR("not implemented!!");
1264                 return TDM_ERROR_NOT_IMPLEMENTED;
1265                 /* LCOV_EXCL_STOP */
1266         }
1267
1268         ret = func_layer->layer_set_video_pos(private_layer->layer_backend, zpos);
1269
1270         _pthread_mutex_unlock(&private_display->lock);
1271
1272         return ret;
1273 }
1274
1275 EXTERN tdm_capture *
1276 tdm_layer_create_capture(tdm_layer *layer, tdm_error *error)
1277 {
1278         tdm_capture *capture = NULL;
1279
1280         LAYER_FUNC_ENTRY_ERROR();
1281
1282         _pthread_mutex_lock(&private_display->lock);
1283
1284         capture = (tdm_capture *)tdm_capture_create_layer_internal(private_layer, error);
1285
1286         _pthread_mutex_unlock(&private_display->lock);
1287
1288         return capture;
1289 }
1290
1291 EXTERN tdm_error
1292 tdm_layer_get_buffer_flags(tdm_layer *layer, unsigned int *flags)
1293 {
1294         tdm_func_layer *func_layer;
1295         LAYER_FUNC_ENTRY();
1296         TDM_RETURN_VAL_IF_FAIL(flags != NULL, TDM_ERROR_INVALID_PARAMETER);
1297
1298         _pthread_mutex_lock(&private_display->lock);
1299
1300         func_layer = &private_display->func_layer;
1301
1302         if (!func_layer->layer_get_buffer_flags) {
1303                 /* LCOV_EXCL_START */
1304                 _pthread_mutex_unlock(&private_display->lock);
1305                 TDM_ERR("not implemented!!");
1306                 return TDM_ERROR_NOT_IMPLEMENTED;
1307                 /* LCOV_EXCL_STOP */
1308         }
1309
1310         ret = func_layer->layer_get_buffer_flags(private_layer->layer_backend, flags);
1311
1312         _pthread_mutex_unlock(&private_display->lock);
1313
1314         return ret;
1315 }