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 INTERN tdm_error
 419 tdm_layer_set_buffer_internal(tdm_private_layer *private_layer, tbm_surface_h buffer)
 420 {
 421         tdm_private_output *private_output = private_layer->private_output;
 422         tdm_private_display *private_display = private_output->private_display;
 423         tdm_func_layer *func_layer;
 424
 425         /* LCOV_EXCL_START */
 426         /* dump buffer */
 427         if (tdm_dump_enable && !(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO))
 428                 _tdm_layer_dump_buffer(private_layer, buffer);
 429
 430         if (tdm_debug_dump & TDM_DUMP_FLAG_LAYER &&
 431                 !(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
 432                 char str[TDM_PATH_LEN];
 433                 static int i;
 434                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d_%03d",
 435                                  private_output->index, private_layer->index, i++);
 436                 tdm_helper_dump_buffer_str(buffer, tdm_debug_dump_dir, str);
 437         }
 438         /* LCOV_EXCL_STOP */
 439
 440         func_layer = &private_display->func_layer;
 441
 442         if (private_layer->usable)
 443                 TDM_INFO("layer(%p) not usable", private_layer);
 444
 445         private_layer->usable = 0;
 446
 447         if (!func_layer->layer_set_buffer) {
 448                 /* LCOV_EXCL_START */
 449                 TDM_ERR("not implemented!!");
 450                 return TDM_ERROR_NOT_IMPLEMENTED;
 451                 /* LCOV_EXCL_START */
 452         }
 453
 454         private_layer->pending_buffer_changed = 1;
 455
 456         if (private_layer->pending_buffer) {
 457
 458                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 459                         TDM_INFO("layer(%p) pending_buffer(%p) skipped",
 460                                          private_layer, private_layer->pending_buffer);
 461
 462                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 463                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->pending_buffer, 0);
 464                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 465                 }
 466
 467                 tbm_surface_internal_unref(private_layer->pending_buffer);
 468         }
 469
 470         tbm_surface_internal_ref(buffer);
 471         private_layer->pending_buffer = buffer;
 472
 473         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 474                 TDM_INFO("layer(%p) pending_buffer(%p)",
 475                                  private_layer, private_layer->pending_buffer);
 476
 477         if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 478                 tbm_bo bo = tbm_surface_internal_get_bo(private_layer->pending_buffer, 0);
 479                 TDM_TRACE_ASYNC_BEGIN((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 480         }
 481
 482         return TDM_ERROR_NONE;
 483 }
 484
 485 EXTERN tdm_error
 486 tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer)
 487 {
 488         LAYER_FUNC_ENTRY();
 489
 490         TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 491
 492         _pthread_mutex_lock(&private_display->lock);
 493
 494         ret = tdm_layer_set_buffer_internal(private_layer, buffer);
 495
 496         _pthread_mutex_unlock(&private_display->lock);
 497
 498         return ret;
 499 }
 500
 501 EXTERN tdm_error
 502 tdm_layer_unset_buffer(tdm_layer *layer)
 503 {
 504         tdm_func_layer *func_layer;
 505         LAYER_FUNC_ENTRY();
 506
 507         _pthread_mutex_lock(&private_display->lock);
 508
 509         func_layer = &private_display->func_layer;
 510
 511         _tdm_layer_free_all_buffers(private_layer);
 512
 513         private_layer->usable = 1;
 514
 515         if (private_layer->usable)
 516                 TDM_INFO("layer(%p) now usable", private_layer);
 517
 518         if (!func_layer->layer_unset_buffer) {
 519                 /* LCOV_EXCL_START */
 520                 _pthread_mutex_unlock(&private_display->lock);
 521                 TDM_ERR("not implemented!!");
 522                 return TDM_ERROR_NOT_IMPLEMENTED;
 523                 /* LCOV_EXCL_START */
 524         }
 525
 526         ret = func_layer->layer_unset_buffer(private_layer->layer_backend);
 527         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 528
 529         _pthread_mutex_unlock(&private_display->lock);
 530
 531         return ret;
 532 }
 533
 534 INTERN void
 535 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer)
 536 {
 537         tdm_private_output *private_output = private_layer->private_output;
 538         tdm_private_display *private_display = private_output->private_display;
 539
 540         /* LCOV_EXCL_START */
 541         if (private_display->print_fps) {
 542                 double curr = tdm_helper_get_time();
 543                 if (private_layer->fps_stamp == 0) {
 544                         private_layer->fps_stamp = curr;
 545                 } else if ((curr - private_layer->fps_stamp) > 1.0) {
 546                         TDM_INFO("output(%d) layer(%d) fps: %d", private_output->index, private_layer->index, private_layer->fps_count);
 547                         private_layer->fps_count = 0;
 548                         private_layer->fps_stamp = curr;
 549                 } else
 550                         private_layer->fps_count++;
 551         } else if (private_layer->fps_stamp != 0) {
 552                 private_layer->fps_stamp = 0;
 553                 private_layer->fps_count = 0;
 554         }
 555         /* LCOV_EXCL_STOP */
 556
 557         if (private_layer->showing_buffer) {
 558                 if (tdm_ttrace_module & TDM_TTRACE_LAYER) {
 559                         tbm_bo bo = tbm_surface_internal_get_bo(private_layer->showing_buffer->buffer, 0);
 560                         TDM_TRACE_ASYNC_END((intptr_t)private_layer, "[LAYER] %d", tbm_bo_export(bo));
 561                 }
 562
 563                 _tdm_layer_free_buffer(private_layer, private_layer->showing_buffer);
 564         }
 565
 566         private_layer->showing_buffer = *committed_buffer;
 567         *committed_buffer = NULL;
 568
 569         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 570                 TDM_INFO("layer(%p) committed_buffer(%p) showing_buffer(%p)",
 571                                  private_layer, *committed_buffer,
 572                                  (private_layer->showing_buffer) ? private_layer->showing_buffer->buffer : NULL);
 573 }
 574
 575 static void
 576 _tdm_layer_got_output_vblank(tdm_private_output *private_output, unsigned int sequence,
 577                                                          unsigned int tv_sec, unsigned int tv_usec)
 578 {
 579         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 580         tdm_private_display *private_display;
 581         struct list_head clone_list, pending_clone_list;
 582         tdm_error ret = TDM_ERROR_NONE;
 583
 584         private_display = private_output->private_display;
 585
 586         private_output->layer_waiting_vblank = 0;
 587
 588         LIST_INITHEAD(&clone_list);
 589         LIST_INITHEAD(&pending_clone_list);
 590
 591         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 592                 LIST_DEL(&lm->link);
 593                 lm->private_layer->committing = 0;
 594                 LIST_ADDTAIL(&lm->link, &clone_list);
 595         }
 596
 597         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 598                 LIST_DEL(&lm->link);
 599                 lm->private_layer->committing = 0;
 600                 LIST_ADDTAIL(&lm->link, &pending_clone_list);
 601         }
 602
 603         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &clone_list, link) {
 604                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 605                         TDM_INFO("layer(%p) committed. handle(%p) commited_buffer(%p)",
 606                                          lm->private_layer, lm, (lm->committed_buffer) ? lm->committed_buffer->buffer : NULL);
 607
 608                 LIST_DEL(&lm->link);
 609                 tdm_layer_committed(lm->private_layer, &lm->committed_buffer);
 610                 _pthread_mutex_unlock(&private_display->lock);
 611                 if (lm->func)
 612                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 613                 _pthread_mutex_lock(&private_display->lock);
 614                 if (lm->committed_buffer)
 615                         _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 616                 free(lm);
 617         }
 618
 619         if (LIST_IS_EMPTY(&pending_clone_list))
 620                 return;
 621
 622         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, wait_failed);
 623
 624         ret = tdm_output_commit_internal(private_output, 0, NULL, NULL);
 625         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 626
 627         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 628                 TDM_INFO("layer commit: output(%d) commit", private_output->pipe);
 629
 630         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 631                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 632                 if (!private_output->layer_waiting_vblank) {
 633                         _pthread_mutex_unlock(&private_display->lock);
 634                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 635                         _pthread_mutex_lock(&private_display->lock);
 636                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 637                         private_output->layer_waiting_vblank = 1;
 638                 }
 639         }
 640
 641         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 642                 TDM_INFO("layer commit: output(%d) wait vblank", private_output->pipe);
 643
 644         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 645                 LIST_DEL(&lm->link);
 646                 LIST_ADDTAIL(&lm->link, &private_output->layer_commit_handler_list);
 647         }
 648
 649         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 650                 TDM_WRN("dpms %s. Directly call vblank callback.", tdm_dpms_str(private_output->current_dpms_value));
 651                 _pthread_mutex_unlock(&private_display->lock);
 652                 _tdm_layer_cb_wait_vblank(private_output->vblank, 0, 0, 0, 0, private_output);
 653                 _pthread_mutex_lock(&private_display->lock);
 654         }
 655
 656         return;
 657 wait_failed:
 658         /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 659          * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 660          * the layer commit handler MUST be called.
 661          */
 662         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &pending_clone_list, link) {
 663                 TDM_WRN("Directly call layer commit handlers: ret(%d)\n", ret);
 664                 LIST_DEL(&lm->link);
 665                 _pthread_mutex_unlock(&private_display->lock);
 666                 if (lm->func)
 667                         lm->func(lm->private_layer, sequence, tv_sec, tv_usec, lm->user_data);
 668                 _pthread_mutex_lock(&private_display->lock);
 669                 _tdm_layer_free_buffer(lm->private_layer, lm->committed_buffer);
 670                 free(lm);
 671         }
 672
 673         return;
 674 }
 675
 676 static void
 677 _tdm_layer_cb_output_commit(tdm_output *output, unsigned int sequence,
 678                                                         unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 679 {
 680         tdm_private_layer_commit_handler *layer_commit_handler = user_data;
 681         tdm_private_layer_commit_handler *lm = NULL;
 682         tdm_private_display *private_display;
 683         tdm_private_output *private_output = output;
 684         tdm_private_layer *private_layer;
 685         int found = 0;
 686
 687         TDM_RETURN_IF_FAIL(layer_commit_handler != NULL);
 688
 689         private_display = private_output->private_display;
 690
 691         LIST_FOR_EACH_ENTRY(lm, &private_output->layer_commit_handler_list, link) {
 692                 if (layer_commit_handler == lm) {
 693                         found = 1;
 694                         break;
 695                 }
 696         }
 697
 698         if (!found)
 699                 return;
 700
 701         LIST_DEL(&layer_commit_handler->link);
 702
 703         private_layer = layer_commit_handler->private_layer;
 704
 705         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 706                 TDM_INFO("layer(%p) commit: output(%d) committed. handle(%p)",
 707                                  private_layer, private_output->pipe, layer_commit_handler);
 708
 709         _pthread_mutex_lock(&private_display->lock);
 710
 711         tdm_layer_committed(private_layer, &layer_commit_handler->committed_buffer);
 712
 713         if (layer_commit_handler->func) {
 714                 _pthread_mutex_unlock(&private_display->lock);
 715                 layer_commit_handler->func(private_output, sequence,
 716                                                                    tv_sec, tv_usec, layer_commit_handler->user_data);
 717                 _pthread_mutex_lock(&private_display->lock);
 718         }
 719
 720         free(layer_commit_handler);
 721
 722         _pthread_mutex_unlock(&private_display->lock);
 723 }
 724
 725 static void
 726 _tdm_layer_cb_wait_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 727                                                   unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 728 {
 729         tdm_private_output *private_output = user_data;
 730         tdm_private_display *private_display;
 731
 732         TDM_RETURN_IF_FAIL(private_output != NULL);
 733
 734         private_display = private_output->private_display;
 735
 736         _pthread_mutex_lock(&private_display->lock);
 737
 738         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 739                 TDM_INFO("layer commit: output(%d) got vblank", private_output->pipe);
 740
 741         _tdm_layer_got_output_vblank(private_output, sequence, tv_sec, tv_usec);
 742
 743         _pthread_mutex_unlock(&private_display->lock);
 744 }
 745
 746 static unsigned int
 747 _tdm_lauer_get_output_used_layer_count(tdm_private_output *private_output)
 748 {
 749         tdm_private_layer *private_layer = NULL;
 750         unsigned int count = 0;
 751
 752         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 753                 if (!private_layer->usable)
 754                         count++;
 755         }
 756
 757         return count;
 758 }
 759
 760 /* commit_per_vblank == 1: we can commit if
 761  *                           - there is no previous commit request
 762  *                           - only 1 layer is used
 763  * commit_per_vblank == 2: we can commit if
 764  *                           - there is no previous commit request
 765  */
 766 static int
 767 _tdm_layer_commit_possible(tdm_private_layer *private_layer)
 768 {
 769         tdm_private_output *private_output = private_layer->private_output;
 770
 771         TDM_RETURN_VAL_IF_FAIL(private_output->commit_per_vblank > 0, 1);
 772
 773         /* There is a previous commit request which is not done and displayed on screen yet.
 774          * We can't commit at this time.
 775          */
 776         if (!LIST_IS_EMPTY(&private_output->layer_commit_handler_list)) {
 777                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 778                         TDM_INFO("layer(%p) commit: not possible(previous commit)", private_layer);
 779                 return 0;
 780         }
 781
 782         if (private_output->commit_per_vblank == 1 && _tdm_lauer_get_output_used_layer_count(private_output) > 1) {
 783                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 784                         TDM_INFO("layer(%p) commit: not possible(more than 2 layers)", private_layer);
 785                 return 0;
 786         }
 787
 788         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 789                 TDM_INFO("layer(%p) commit: possible", private_layer);
 790
 791         return 1;
 792 }
 793
 794 static void
 795 _tdm_layer_reset_pending_data(tdm_private_layer *private_layer)
 796 {
 797         private_layer->pending_info_changed = 0;
 798         memset(&private_layer->pending_info, 0, sizeof private_layer->pending_info);
 799
 800         private_layer->pending_buffer_changed = 0;
 801         if (private_layer->pending_buffer) {
 802                 tbm_surface_internal_unref(private_layer->pending_buffer);
 803                 private_layer->pending_buffer = NULL;
 804         }
 805 }
 806
 807 INTERN tdm_error
 808 tdm_layer_commit_pending_data(tdm_private_layer *private_layer)
 809 {
 810         tdm_private_output *private_output = private_layer->private_output;
 811         tdm_private_display *private_display = private_output->private_display;
 812         tdm_func_layer *func_layer;
 813         tdm_error ret = TDM_ERROR_NONE;
 814
 815         func_layer = &private_display->func_layer;
 816
 817         if (private_layer->pending_info_changed) {
 818                 ret = func_layer->layer_set_info(private_layer->layer_backend, &private_layer->pending_info);
 819                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, done);
 820         }
 821
 822         if (private_layer->pending_buffer_changed) {
 823                 tdm_private_layer_buffer *layer_buffer;
 824
 825                 layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
 826                 TDM_GOTO_IF_FAIL(layer_buffer != NULL, done);
 827
 828                 LIST_INITHEAD(&layer_buffer->link);
 829
 830                 ret = func_layer->layer_set_buffer(private_layer->layer_backend, private_layer->pending_buffer);
 831                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 832
 833                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 834                         TDM_INFO("layer(%p) pending_buffer(%p) committed",
 835                                          private_layer, private_layer->pending_buffer);
 836
 837                 if (ret == TDM_ERROR_NONE) {
 838                         if (private_layer->waiting_buffer)
 839                                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
 840
 841                         private_layer->waiting_buffer = layer_buffer;
 842                         private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(private_layer->pending_buffer);
 843                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 844                                 TDM_INFO("layer(%p) waiting_buffer(%p)",
 845                                                  private_layer, private_layer->waiting_buffer->buffer);
 846                 } else
 847                         _tdm_layer_free_buffer(private_layer, layer_buffer);
 848         }
 849
 850 done:
 851         _tdm_layer_reset_pending_data(private_layer);
 852
 853         return ret;
 854 }
 855
 856 /* CAUTION: Once _tdm_layer_commit returns success, the layer commit handler MUST be called always.
 857  * That is, even if we get error in _tdm_layer_got_output_vblank() function for some reasons,
 858  * the layer commit handler MUST be called.
 859  */
 860 static tdm_error
 861 _tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 862 {
 863         tdm_private_layer_commit_handler *layer_commit_handler;
 864         LAYER_FUNC_ENTRY();
 865
 866         layer_commit_handler = calloc(1, sizeof(tdm_private_layer_commit_handler));
 867         if (!layer_commit_handler) {
 868                 /* LCOV_EXCL_START */
 869                 TDM_ERR("failed: alloc memory");
 870                 return TDM_ERROR_OUT_OF_MEMORY;
 871                 /* LCOV_EXCL_STOP */
 872         }
 873
 874         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 875                 TDM_INFO("layer(%p) commit: handle(%p)", private_layer, layer_commit_handler);
 876
 877         LIST_INITHEAD(&layer_commit_handler->link);
 878         layer_commit_handler->private_layer = private_layer;
 879         layer_commit_handler->func = func;
 880         layer_commit_handler->user_data = user_data;
 881
 882         layer_commit_handler->committed_buffer = private_layer->waiting_buffer;
 883         private_layer->waiting_buffer = NULL;
 884
 885         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 886                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 887                                  private_layer, private_layer->waiting_buffer,
 888                                  (layer_commit_handler->committed_buffer) ? layer_commit_handler->committed_buffer->buffer : NULL);
 889
 890         if (!private_output->commit_per_vblank) {
 891                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT, commit_failed);
 892
 893                 LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 894                 ret = tdm_output_commit_internal(private_layer->private_output, 0, _tdm_layer_cb_output_commit, layer_commit_handler);
 895                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 896
 897                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 898                         TDM_INFO("layer(%p) commit: no commit-per-vblank", private_layer);
 899         } else {
 900                 TDM_GOTO_IF_FAIL(private_output->commit_type == TDM_COMMIT_TYPE_LAYER, commit_failed);
 901
 902                 if (private_layer->committing)
 903                         TDM_WRN("layer(%d) too many commit", private_layer->index);
 904                 else
 905                         private_layer->committing = 1;
 906
 907                 if (_tdm_layer_commit_possible(private_layer)) {
 908                         /* add to layer_commit_handler_list */
 909                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->layer_commit_handler_list);
 910                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
 911                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 912
 913                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 914                                 TDM_INFO("layer(%p) commit: output", private_layer);
 915                 } else {
 916                         /* add to pending_commit_handler_list. It will be commited when a vblank occurs */
 917                         LIST_ADDTAIL(&layer_commit_handler->link, &private_output->pending_commit_handler_list);
 918
 919                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 920                                 TDM_INFO("layer(%p) commit: pending", private_layer);
 921                 }
 922
 923                 if (!private_output->vblank) {
 924                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 925                         _pthread_mutex_unlock(&private_display->lock);
 926                         private_output->vblank = tdm_vblank_create(private_display, private_output, NULL);
 927                         _pthread_mutex_lock(&private_display->lock);
 928                         TDM_GOTO_IF_FAIL(private_output->vblank != NULL, commit_failed);
 929                 }
 930
 931                 if (!private_output->layer_waiting_vblank) {
 932                         /* tdm_vblank APIs is for server. it should be called in unlock status*/
 933                         _pthread_mutex_unlock(&private_display->lock);
 934                         ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_layer_cb_wait_vblank, private_output);
 935                         _pthread_mutex_lock(&private_display->lock);
 936                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 937                         private_output->layer_waiting_vblank = 1;
 938
 939                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 940                                 TDM_INFO("layer(%p) commit: wait vblank", private_layer);
 941                 }
 942         }
 943
 944         return ret;
 945
 946 commit_failed:
 947         if (layer_commit_handler) {
 948                 private_layer->waiting_buffer = layer_commit_handler->committed_buffer;
 949                 LIST_DEL(&layer_commit_handler->link);
 950                 free(layer_commit_handler);
 951         }
 952         return ret;
 953 }
 954
 955 INTERN tdm_error
 956 tdm_layer_commit_internal(tdm_private_layer *private_layer, tdm_layer_commit_handler func, void *user_data)
 957 {
 958         tdm_private_output *private_output = private_layer->private_output;
 959         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */
 960
 961         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE) {
 962                 if (!private_output->commit_per_vblank)
 963                         private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
 964                 else
 965                         private_output->commit_type = TDM_COMMIT_TYPE_LAYER;
 966         }
 967
 968         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 969                 TDM_ERR("layer(%p)'s output(%d) dpms: %s", private_layer, private_output->pipe,
 970                                 tdm_dpms_str(private_output->current_dpms_value));
 971                 return TDM_ERROR_DPMS_OFF;
 972         }
 973
 974         /* don't call this inside of _tdm_layer_commit */
 975         ret = tdm_layer_commit_pending_data(private_layer);
 976         if (ret != TDM_ERROR_NONE) {
 977                 TDM_ERR("layer(%p) committing pending data failed", private_layer);
 978                 return ret;
 979         }
 980
 981         ret = _tdm_layer_commit(private_layer, func, user_data);
 982
 983         return ret;
 984 }
 985
 986 EXTERN tdm_error
 987 tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
 988 {
 989         LAYER_FUNC_ENTRY();
 990
 991         _pthread_mutex_lock(&private_display->lock);
 992
 993         ret = tdm_layer_commit_internal(private_layer, func, user_data);
 994
 995         _pthread_mutex_unlock(&private_display->lock);
 996
 997         return ret;
 998 }
 999
1000 EXTERN tdm_error
1001 tdm_layer_is_committing(tdm_layer *layer, unsigned int *committing)
1002 {
1003         LAYER_FUNC_ENTRY();
1004
1005         TDM_RETURN_VAL_IF_FAIL(committing != NULL, TDM_ERROR_INVALID_PARAMETER);
1006
1007         _pthread_mutex_lock(&private_display->lock);
1008
1009         *committing = private_layer->committing;
1010
1011         _pthread_mutex_unlock(&private_display->lock);
1012
1013         return ret;
1014 }
1015
1016 INTERN void
1017 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1018 {
1019         tdm_private_layer *private_layer = (tdm_private_layer*)layer;
1020         tdm_private_output *private_output = private_layer->private_output;
1021         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
1022
1023         TDM_RETURN_IF_FAIL(private_layer != NULL);
1024         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1025
1026         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
1027                 if (lm->func == func && lm->user_data == user_data) {
1028                         LIST_DEL(&lm->link);
1029                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1030                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1031                         free(lm);
1032                         break;
1033                 }
1034         }
1035
1036         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
1037                 if (lm->func == func && lm->user_data == user_data) {
1038                         LIST_DEL(&lm->link);
1039                         tdm_output_remove_commit_handler_internal(private_output, _tdm_layer_cb_output_commit, lm);
1040                         _tdm_layer_free_buffer(private_layer, lm->committed_buffer);
1041                         free(lm);
1042                         break;
1043                 }
1044         }
1045 }
1046
1047 EXTERN tdm_error
1048 tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data)
1049 {
1050         LAYER_FUNC_ENTRY();
1051
1052         _pthread_mutex_lock(&private_display->lock);
1053
1054         tdm_layer_remove_commit_handler_internal(layer, func, user_data);
1055
1056         _pthread_mutex_unlock(&private_display->lock);
1057
1058         return ret;
1059 }
1060
1061 EXTERN tbm_surface_h
1062 tdm_layer_get_displaying_buffer(tdm_layer *layer, tdm_error *error)
1063 {
1064         tbm_surface_h buffer;
1065         LAYER_FUNC_ENTRY_ERROR();
1066
1067         _pthread_mutex_lock(&private_display->lock);
1068
1069         if (error)
1070                 *error = TDM_ERROR_NONE;
1071
1072         if (private_layer->showing_buffer) {
1073                 buffer = private_layer->showing_buffer->buffer;
1074         } else {
1075                 if (error)
1076                         *error = TDM_ERROR_OPERATION_FAILED;
1077                 _pthread_mutex_unlock(&private_display->lock);
1078                 TDM_DBG("layer(%p) showing_buffer is null", private_layer);
1079                 return NULL;
1080         }
1081         _pthread_mutex_unlock(&private_display->lock);
1082
1083         return buffer;
1084 }
1085
1086 static void
1087 _tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data)
1088 {
1089         TDM_RETURN_IF_FAIL(data != NULL);
1090         tdm_layer *layer = data;
1091         tdm_func_layer *func_layer;
1092         tbm_surface_h surface = NULL;
1093         tdm_private_layer_buffer *layer_buffer;
1094         LAYER_FUNC_ENTRY_VOID_RETURN();
1095
1096         _pthread_mutex_lock(&private_display->lock);
1097
1098         func_layer = &private_display->func_layer;
1099         if (!func_layer->layer_set_buffer) {
1100                 /* LCOV_EXCL_START */
1101                 _pthread_mutex_unlock(&private_display->lock);
1102                 return;
1103                 /* LCOV_EXCL_STOP */
1104         }
1105
1106         layer_buffer = calloc(1, sizeof(tdm_private_layer_buffer));
1107         if (!layer_buffer) {
1108                 /* LCOV_EXCL_START */
1109                 _pthread_mutex_unlock(&private_display->lock);
1110                 TDM_ERR("alloc failed");
1111                 return;
1112                 /* LCOV_EXCL_STOP */
1113         }
1114         LIST_INITHEAD(&layer_buffer->link);
1115
1116         if (TBM_SURFACE_QUEUE_ERROR_NONE != tbm_surface_queue_acquire(private_layer->buffer_queue, &surface) ||
1117                 surface == NULL) {
1118                 /* LCOV_EXCL_START */
1119                 TDM_ERR("layer(%p) tbm_surface_queue_acquire() failed surface:%p",
1120                                 private_layer, surface);
1121                 _pthread_mutex_unlock(&private_display->lock);
1122                 free(layer_buffer);
1123                 return;
1124                 /* LCOV_EXCL_STOP */
1125         }
1126
1127         /* we don't need to handle pending data here because the changes in this function
1128          * should be applied immediately. we can't expect calling tdm_layer_commit.
1129          */
1130         ret = func_layer->layer_set_buffer(private_layer->layer_backend, surface);
1131         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1132
1133         if (ret == TDM_ERROR_NONE) {
1134                 if (private_layer->waiting_buffer) {
1135                         TDM_DBG("layer(%p) drop waiting_buffer(%p)", private_layer, private_layer->waiting_buffer->buffer);
1136                         _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1137                 }
1138
1139                 private_layer->waiting_buffer = layer_buffer;
1140                 private_layer->waiting_buffer->buffer = tdm_buffer_ref_backend(surface);
1141
1142                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1143                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1144                                          private_layer, private_layer->waiting_buffer->buffer);
1145
1146                 if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
1147                         ret = tdm_output_commit_internal(private_layer->private_output, 0, NULL, NULL);
1148                         if (ret != TDM_ERROR_NONE)
1149                                 TDM_ERR("tdm_output_commit_internal() is fail");
1150                 } else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1151                         ret = _tdm_layer_commit(private_layer, NULL, NULL);
1152                         if (ret != TDM_ERROR_NONE)
1153                                 TDM_ERR("layer(%p) _tdm_layer_commit() is fail", private_layer);
1154                 } else {
1155                         TDM_NEVER_GET_HERE();
1156                 }
1157         } else
1158                 _tdm_layer_free_buffer(private_layer, layer_buffer);
1159
1160         _pthread_mutex_unlock(&private_display->lock);
1161 }
1162
1163 static void
1164 _tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data)
1165 {
1166         TDM_RETURN_IF_FAIL(data != NULL);
1167         tdm_layer *layer = data;
1168         LAYER_FUNC_ENTRY_VOID_RETURN();
1169         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1170
1171         _pthread_mutex_lock(&private_display->lock);
1172
1173         private_layer->buffer_queue = NULL;
1174
1175         _tdm_layer_free_all_buffers(private_layer);
1176
1177         _pthread_mutex_unlock(&private_display->lock);
1178 }
1179
1180 EXTERN tdm_error
1181 tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue)
1182 {
1183         tdm_func_layer *func_layer;
1184         LAYER_FUNC_ENTRY();
1185
1186         TDM_RETURN_VAL_IF_FAIL(buffer_queue != NULL, TDM_ERROR_INVALID_PARAMETER);
1187
1188         _pthread_mutex_lock(&private_display->lock);
1189
1190         func_layer = &private_display->func_layer;
1191
1192         if (private_layer->usable)
1193                 TDM_INFO("layer(%p) not usable", private_layer);
1194
1195         private_layer->usable = 0;
1196
1197         if (!func_layer->layer_set_buffer) {
1198                 /* LCOV_EXCL_START */
1199                 _pthread_mutex_unlock(&private_display->lock);
1200                 TDM_ERR("not implemented!!");
1201                 return TDM_ERROR_NOT_IMPLEMENTED;
1202                 /* LCOV_EXCL_STOP */
1203         }
1204
1205         if (buffer_queue == private_layer->buffer_queue) {
1206                 _pthread_mutex_unlock(&private_display->lock);
1207                 return TDM_ERROR_NONE;
1208         }
1209
1210         if (private_layer->waiting_buffer) {
1211                 _tdm_layer_free_buffer(private_layer, private_layer->waiting_buffer);
1212                 private_layer->waiting_buffer = NULL;
1213
1214                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1215                         TDM_INFO("layer(%p) waiting_buffer(%p)",
1216                                          private_layer, private_layer->waiting_buffer);
1217         }
1218
1219         private_layer->buffer_queue = buffer_queue;
1220         tbm_surface_queue_add_acquirable_cb(private_layer->buffer_queue,
1221                                                                                 _tbm_layer_queue_acquirable_cb,
1222                                                                                 private_layer);
1223         tbm_surface_queue_add_destroy_cb(private_layer->buffer_queue,
1224                                                                          _tbm_layer_queue_destroy_cb,
1225                                                                          private_layer);
1226         _pthread_mutex_unlock(&private_display->lock);
1227
1228         return ret;
1229 }
1230
1231 EXTERN tdm_error
1232 tdm_layer_unset_buffer_queue(tdm_layer *layer)
1233 {
1234         return tdm_layer_unset_buffer(layer);
1235 }
1236
1237 EXTERN tdm_error
1238 tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable)
1239 {
1240         LAYER_FUNC_ENTRY();
1241
1242         TDM_RETURN_VAL_IF_FAIL(usable != NULL, TDM_ERROR_INVALID_PARAMETER);
1243
1244         _pthread_mutex_lock(&private_display->lock);
1245
1246         *usable = private_layer->usable;
1247
1248         _pthread_mutex_unlock(&private_display->lock);
1249
1250         return ret;
1251 }
1252
1253 EXTERN tdm_error
1254 tdm_layer_set_video_pos(tdm_layer *layer, int zpos)
1255 {
1256         tdm_func_layer *func_layer;
1257         LAYER_FUNC_ENTRY();
1258
1259         _pthread_mutex_lock(&private_display->lock);
1260
1261         func_layer = &private_display->func_layer;
1262
1263         if (!(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
1264                 TDM_ERR("layer(%p) is not video layer", private_layer);
1265                 _pthread_mutex_unlock(&private_display->lock);
1266                 return TDM_ERROR_INVALID_PARAMETER;
1267         }
1268
1269         if (!func_layer->layer_set_video_pos) {
1270                 /* LCOV_EXCL_START */
1271                 _pthread_mutex_unlock(&private_display->lock);
1272                 TDM_ERR("not implemented!!");
1273                 return TDM_ERROR_NOT_IMPLEMENTED;
1274                 /* LCOV_EXCL_STOP */
1275         }
1276
1277         ret = func_layer->layer_set_video_pos(private_layer->layer_backend, zpos);
1278
1279         _pthread_mutex_unlock(&private_display->lock);
1280
1281         return ret;
1282 }
1283
1284 EXTERN tdm_capture *
1285 tdm_layer_create_capture(tdm_layer *layer, tdm_error *error)
1286 {
1287         tdm_capture *capture = NULL;
1288
1289         LAYER_FUNC_ENTRY_ERROR();
1290
1291         _pthread_mutex_lock(&private_display->lock);
1292
1293         capture = (tdm_capture *)tdm_capture_create_layer_internal(private_layer, error);
1294
1295         _pthread_mutex_unlock(&private_display->lock);
1296
1297         return capture;
1298 }
1299
1300 EXTERN tdm_error
1301 tdm_layer_get_buffer_flags(tdm_layer *layer, unsigned int *flags)
1302 {
1303         tdm_func_layer *func_layer;
1304         LAYER_FUNC_ENTRY();
1305         TDM_RETURN_VAL_IF_FAIL(flags != NULL, TDM_ERROR_INVALID_PARAMETER);
1306
1307         _pthread_mutex_lock(&private_display->lock);
1308
1309         func_layer = &private_display->func_layer;
1310
1311         if (!func_layer->layer_get_buffer_flags) {
1312                 /* LCOV_EXCL_START */
1313                 _pthread_mutex_unlock(&private_display->lock);
1314                 TDM_ERR("not implemented!!");
1315                 return TDM_ERROR_NOT_IMPLEMENTED;
1316                 /* LCOV_EXCL_STOP */
1317         }
1318
1319         ret = func_layer->layer_get_buffer_flags(private_layer->layer_backend, flags);
1320
1321         _pthread_mutex_unlock(&private_display->lock);
1322
1323         return ret;
1324 }