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