src/tdm_pp.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 PP_FUNC_ENTRY() \
  43         tdm_func_pp *func_pp; \
  44         tdm_private_display *private_display; \
  45         tdm_private_pp *private_pp; \
  46         tdm_error ret = TDM_ERROR_NONE; \
  47         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER); \
  48         private_pp = (tdm_private_pp*)pp; \
  49         private_display = private_pp->private_display; \
  50         func_pp = &private_display->func_pp
  51
  52 static void
  53 _tdm_pp_print_list(struct list_head *list)
  54 {
  55         tdm_pp_private_buffer *b = NULL;
  56         char str[512], *p;
  57         int len = sizeof(str);
  58
  59         TDM_RETURN_IF_FAIL(list != NULL);
  60
  61         p = str;
  62         LIST_FOR_EACH_ENTRY(b, list, link) {
  63                 if (len > 0) {
  64                         int l = snprintf(p, len, " (%p,%p)", b->src, b->dst);
  65                         p += l;
  66                         len -= l;
  67                 } else
  68                         break;
  69         }
  70
  71         TDM_WRN("\t %s", str);
  72 }
  73
  74 static tdm_pp_private_buffer *
  75 _tdm_pp_find_tbm_buffers(struct list_head *list, tbm_surface_h src, tbm_surface_h dst)
  76 {
  77         tdm_pp_private_buffer *b = NULL, *bb = NULL;
  78
  79         LIST_FOR_EACH_ENTRY_SAFE(b, bb, list, link) {
  80                 if (b->src == src && b->dst == dst)
  81                         return b;
  82         }
  83
  84         return NULL;
  85 }
  86
  87 static tdm_pp_private_buffer *
  88 _tdm_pp_find_buffer(struct list_head *list, tdm_pp_private_buffer *pp_buffer)
  89 {
  90         tdm_pp_private_buffer *b = NULL, *bb = NULL;
  91
  92         LIST_FOR_EACH_ENTRY_SAFE(b, bb, list, link) {
  93                 if (b == pp_buffer)
  94                         return b;
  95         }
  96
  97         return NULL;
  98 }
  99
 100 INTERN void
 101 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 102                            void *user_data)
 103 {
 104         tdm_private_pp *private_pp = user_data;
 105         tdm_private_display *private_display = private_pp->private_display;
 106         tdm_pp_private_buffer *pp_buffer = NULL, *first_entry = NULL;
 107
 108         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 109
 110         if (private_pp->owner_tid != syscall(SYS_gettid)) {
 111                 tdm_thread_cb_pp_done pp_done;
 112                 tdm_error ret;
 113
 114                 pp_done.base.type = TDM_THREAD_CB_PP_DONE;
 115                 pp_done.base.length = sizeof pp_done;
 116                 pp_done.pp_stamp = private_pp->stamp;
 117                 pp_done.src = src;
 118                 pp_done.dst = dst;
 119                 pp_done.user_data = user_data;
 120
 121                 ret = tdm_thread_send_cb(private_display->private_loop, &pp_done.base);
 122                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 123
 124                 return;
 125         }
 126
 127         if (private_pp->owner_tid != syscall(SYS_gettid))
 128                 TDM_NEVER_GET_HERE();
 129
 130         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 131                 /* LCOV_EXCL_START */
 132                 char str[TDM_PATH_LEN];
 133                 static int i;
 134                 snprintf(str, TDM_PATH_LEN, "pp_dst_%03d", i++);
 135                 tdm_helper_dump_buffer_str(dst, tdm_debug_dump_dir, str);
 136                 /* LCOV_EXCL_STOP */
 137         }
 138
 139         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 140                 first_entry = container_of((&private_pp->buffer_list)->next, pp_buffer, link);
 141                 if (first_entry->src != src || first_entry->dst != dst)
 142                         TDM_ERR("buffer(%p,%p) is skipped", first_entry->src, first_entry->dst);
 143         } else {
 144                 TDM_NEVER_GET_HERE();
 145         }
 146
 147         if ((pp_buffer = _tdm_pp_find_tbm_buffers(&private_pp->buffer_list, src, dst))) {
 148                 LIST_DEL(&pp_buffer->link);
 149                 LIST_DELINIT(&pp_buffer->commit_link);
 150
 151                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 152                         TDM_INFO("pp(%p) done: src(%p) dst(%p)", private_pp, src, dst);
 153
 154                 if (tdm_ttrace_module & TDM_TTRACE_PP) {
 155                         tbm_bo bo = tbm_surface_internal_get_bo(dst, 0);
 156                         TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 157                 }
 158
 159                 _pthread_mutex_unlock(&private_display->lock);
 160                 if (private_pp->done_func)
 161                         private_pp->done_func(private_pp, src, dst, private_pp->done_user_data);
 162                 tdm_buffer_unref_backend(src);
 163                 tdm_buffer_unref_backend(dst);
 164                 _pthread_mutex_lock(&private_display->lock);
 165
 166                 free(pp_buffer);
 167         }
 168 }
 169
 170 INTERN tdm_private_pp *
 171 tdm_pp_find_stamp(tdm_private_display *private_display, double stamp)
 172 {
 173         tdm_private_pp *private_pp = NULL;
 174
 175         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 176
 177         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 178                 if (private_pp->stamp == stamp)
 179                         return private_pp;
 180         }
 181
 182         return NULL;
 183 }
 184
 185 INTERN tdm_private_pp *
 186 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
 187 {
 188         tdm_func_display *func_display;
 189         tdm_func_pp *func_pp;
 190         tdm_private_pp *private_pp = NULL;
 191         tdm_pp *pp_backend = NULL;
 192         tdm_error ret = TDM_ERROR_NONE;
 193
 194         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 195
 196         func_display = &private_display->func_display;
 197         func_pp = &private_display->func_pp;
 198
 199         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
 200                 /* LCOV_EXCL_START */
 201                 TDM_ERR("no pp capability");
 202                 if (error)
 203                         *error = TDM_ERROR_NO_CAPABILITY;
 204                 return NULL;
 205                 /* LCOV_EXCL_STOP */
 206         }
 207
 208         pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
 209         if (ret != TDM_ERROR_NONE) {
 210                 /* LCOV_EXCL_START */
 211                 if (error)
 212                         *error = ret;
 213                 return NULL;
 214                 /* LCOV_EXCL_STOP */
 215         }
 216
 217         private_pp = calloc(1, sizeof(tdm_private_pp));
 218         if (!private_pp) {
 219                 /* LCOV_EXCL_START */
 220                 TDM_ERR("failed: alloc memory");
 221                 func_pp->pp_destroy(pp_backend);
 222                 if (error)
 223                         *error = TDM_ERROR_OUT_OF_MEMORY;
 224                 return NULL;
 225                 /* LCOV_EXCL_STOP */
 226         }
 227
 228         ret = func_pp->pp_set_done_handler(pp_backend, tdm_pp_cb_done, private_pp);
 229         if (ret != TDM_ERROR_NONE) {
 230                 /* LCOV_EXCL_START */
 231                 TDM_ERR("spp(%p) et pp_done_handler failed", private_pp);
 232                 func_pp->pp_destroy(pp_backend);
 233                 if (error)
 234                         *error = ret;
 235                 return NULL;
 236                 /* LCOV_EXCL_STOP */
 237         }
 238
 239         private_pp->stamp = tdm_helper_get_time();
 240         while (tdm_pp_find_stamp(private_display, private_pp->stamp))
 241                 private_pp->stamp++;
 242
 243         LIST_ADD(&private_pp->link, &private_display->pp_list);
 244         private_pp->private_display = private_display;
 245         private_pp->pp_backend = pp_backend;
 246         private_pp->owner_tid = syscall(SYS_gettid);
 247
 248         LIST_INITHEAD(&private_pp->pending_buffer_list);
 249         LIST_INITHEAD(&private_pp->buffer_list);
 250
 251         if (error)
 252                 *error = TDM_ERROR_NONE;
 253
 254         return private_pp;
 255 }
 256
 257 INTERN void
 258 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 259 {
 260         tdm_private_display *private_display;
 261         tdm_func_pp *func_pp;
 262         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 263         struct list_head clone_list;
 264
 265         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 266
 267         if (!private_pp)
 268                 return;
 269
 270         private_display = private_pp->private_display;
 271         func_pp = &private_display->func_pp;
 272
 273         LIST_DEL(&private_pp->link);
 274
 275         func_pp->pp_destroy(private_pp->pp_backend);
 276
 277         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 278                 TDM_WRN("pp(%p) not finished:", private_pp);
 279                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 280
 281                 LIST_INITHEAD(&clone_list);
 282                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 283                         LIST_DEL(&b->link);
 284                         LIST_ADDTAIL(&b->link, &clone_list);
 285                 }
 286
 287                 _pthread_mutex_unlock(&private_display->lock);
 288                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &clone_list, link) {
 289                         LIST_DEL(&b->link);
 290
 291                         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 292                                 tbm_bo bo = tbm_surface_internal_get_bo(b->dst, 0);
 293                                 TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 294                         }
 295
 296                         tdm_buffer_unref_backend(b->src);
 297                         tdm_buffer_unref_backend(b->dst);
 298                         free(b);
 299                 }
 300                 _pthread_mutex_lock(&private_display->lock);
 301         }
 302
 303         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 304                 TDM_WRN("pp(%p) not finished:", private_pp);
 305                 _tdm_pp_print_list(&private_pp->buffer_list);
 306
 307                 LIST_INITHEAD(&clone_list);
 308                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 309                         LIST_DEL(&b->link);
 310                         LIST_ADDTAIL(&b->link, &clone_list);
 311                 }
 312
 313                 _pthread_mutex_unlock(&private_display->lock);
 314                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &clone_list, link) {
 315                         LIST_DEL(&b->link);
 316
 317                         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 318                                 tbm_bo bo = tbm_surface_internal_get_bo(b->dst, 0);
 319                                 TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 320                         }
 321
 322                         tdm_buffer_unref_backend(b->src);
 323                         tdm_buffer_unref_backend(b->dst);
 324                         free(b);
 325                 }
 326                 _pthread_mutex_lock(&private_display->lock);
 327         }
 328
 329         private_pp->stamp = 0;
 330         free(private_pp);
 331 }
 332
 333 EXTERN void
 334 tdm_pp_destroy(tdm_pp *pp)
 335 {
 336         tdm_private_pp *private_pp = pp;
 337         tdm_private_display *private_display;
 338
 339         if (!private_pp)
 340                 return;
 341
 342         private_display = private_pp->private_display;
 343
 344         _pthread_mutex_lock(&private_display->lock);
 345         tdm_pp_destroy_internal(private_pp);
 346         _pthread_mutex_unlock(&private_display->lock);
 347 }
 348
 349 EXTERN tdm_error
 350 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 351 {
 352         PP_FUNC_ENTRY();
 353
 354         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 355
 356         _pthread_mutex_lock(&private_display->lock);
 357
 358         if (!func_pp->pp_set_info) {
 359                 /* LCOV_EXCL_START */
 360                 _pthread_mutex_unlock(&private_display->lock);
 361                 TDM_DBG("failed: not implemented!!");
 362                 return TDM_ERROR_NOT_IMPLEMENTED;
 363                 /* LCOV_EXCL_STOP */
 364         }
 365
 366         TDM_INFO("pp(%p) info: src(%ux%u %u,%u %ux%u %c%c%c%c) dst(%ux%u %u,%u %ux%u %c%c%c%c) trans(%d) sync(%d) flags(%x)",
 367                          private_pp, info->src_config.size.h, info->src_config.size.v,
 368                          info->src_config.pos.x, info->src_config.pos.y,
 369                          info->src_config.pos.w, info->src_config.pos.h,
 370                          FOURCC_STR(info->src_config.format),
 371                          info->dst_config.size.h, info->dst_config.size.v,
 372                          info->dst_config.pos.x, info->dst_config.pos.y,
 373                          info->dst_config.pos.w, info->dst_config.pos.h,
 374                          FOURCC_STR(info->dst_config.format),
 375                          info->transform, info->sync, info->flags);
 376
 377         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 378         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 379
 380         private_pp->info = *info;
 381
 382         _pthread_mutex_unlock(&private_display->lock);
 383
 384         return ret;
 385 }
 386
 387 EXTERN tdm_error
 388 tdm_pp_set_done_handler(tdm_pp *pp, tdm_pp_done_handler func, void *user_data)
 389 {
 390         tdm_private_display *private_display;
 391         tdm_private_pp *private_pp;
 392         tdm_error ret = TDM_ERROR_NONE;
 393
 394         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER);
 395
 396         private_pp = (tdm_private_pp*)pp;
 397         private_display = private_pp->private_display;
 398
 399         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 400
 401         _pthread_mutex_lock(&private_display->lock);
 402
 403         private_pp->done_func = func;
 404         private_pp->done_user_data = user_data;
 405
 406         _pthread_mutex_unlock(&private_display->lock);
 407
 408         return ret;
 409 }
 410
 411 EXTERN tdm_error
 412 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 413 {
 414         tdm_pp_private_buffer *pp_buffer;
 415
 416         PP_FUNC_ENTRY();
 417
 418         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 419         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 420
 421         _pthread_mutex_lock(&private_display->lock);
 422
 423         if (!func_pp->pp_attach) {
 424                 /* LCOV_EXCL_START */
 425                 _pthread_mutex_unlock(&private_display->lock);
 426                 TDM_DBG("failed: not implemented!!");
 427                 return TDM_ERROR_NOT_IMPLEMENTED;
 428                 /* LCOV_EXCL_STOP */
 429         }
 430
 431         if (tdm_display_check_module_abi(private_display, 1, 2) &&
 432                 private_display->caps_pp.max_attach_count > 0) {
 433                 /* LCOV_EXCL_START */
 434                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 435                                          LIST_LENGTH(&private_pp->buffer_list);
 436                 if (length >= private_display->caps_pp.max_attach_count) {
 437                         _pthread_mutex_unlock(&private_display->lock);
 438                         TDM_DBG("failed: too many attached!! max_attach_count(%d)",
 439                                         private_display->caps_pp.max_attach_count);
 440                         return TDM_ERROR_BAD_REQUEST;
 441                 }
 442                 /* LCOV_EXCL_STOP */
 443         }
 444
 445         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 446                 /* LCOV_EXCL_START */
 447                 char str[TDM_PATH_LEN];
 448                 static int i;
 449                 snprintf(str, TDM_PATH_LEN, "pp_src_%03d", i++);
 450                 tdm_helper_dump_buffer_str(src, tdm_debug_dump_dir, str);
 451                 /* LCOV_EXCL_STOP */
 452         }
 453
 454         pp_buffer = calloc(1, sizeof * pp_buffer);
 455         if (!pp_buffer) {
 456                 /* LCOV_EXCL_START */
 457                 _pthread_mutex_unlock(&private_display->lock);
 458                 TDM_ERR("alloc failed");
 459                 return TDM_ERROR_OUT_OF_MEMORY;
 460                 /* LCOV_EXCL_STOP */
 461         }
 462
 463         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 464         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 465
 466         if (ret != TDM_ERROR_NONE) {
 467                 /* LCOV_EXCL_START */
 468                 free(pp_buffer);
 469                 _pthread_mutex_unlock(&private_display->lock);
 470                 TDM_ERR("attach failed");
 471                 return ret;
 472                 /* LCOV_EXCL_STOP */
 473         }
 474
 475         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 476         pp_buffer->src = tdm_buffer_ref_backend(src);
 477         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 478
 479         if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 480                 TDM_INFO("pp(%p) attached:", private_pp);
 481                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 482         }
 483
 484         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 485                 tbm_bo bo = tbm_surface_internal_get_bo(dst, 0);
 486                 TDM_TRACE_ASYNC_BEGIN((intptr_t)pp, "[PP] %d", tbm_bo_export(bo));
 487         }
 488
 489         _pthread_mutex_unlock(&private_display->lock);
 490
 491         return ret;
 492 }
 493
 494 EXTERN tdm_error
 495 tdm_pp_commit(tdm_pp *pp)
 496 {
 497         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 498         struct list_head commit_buffer_list;
 499
 500         PP_FUNC_ENTRY();
 501
 502         _pthread_mutex_lock(&private_display->lock);
 503
 504         if (!func_pp->pp_commit) {
 505                 /* LCOV_EXCL_START */
 506                 _pthread_mutex_unlock(&private_display->lock);
 507                 TDM_DBG("failed: not implemented!!");
 508                 return TDM_ERROR_NOT_IMPLEMENTED;
 509                 /* LCOV_EXCL_STOP */
 510         }
 511
 512         LIST_INITHEAD(&commit_buffer_list);
 513
 514         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 515                 LIST_DEL(&b->link);
 516                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 517                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 518         }
 519
 520         ret = func_pp->pp_commit(private_pp->pp_backend);
 521         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 522
 523         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 524                 LIST_DELINIT(&b->commit_link);
 525
 526                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 527                         continue;
 528
 529                 if (ret != TDM_ERROR_NONE) {
 530                         /* Not to call the user release handler when failed.
 531                          * Do we have to call this function here really?
 532                          * User better use set_done_handler to know when pp is done. Using
 533                          * buffer_release_handler is not good.
 534                          */
 535                         tdm_buffer_remove_release_handler_internal(b->src);
 536                         tdm_buffer_remove_release_handler_internal(b->dst);
 537
 538                         _pthread_mutex_unlock(&private_display->lock);
 539                         tdm_buffer_unref_backend(b->src);
 540                         tdm_buffer_unref_backend(b->dst);
 541                         _pthread_mutex_lock(&private_display->lock);
 542                         LIST_DEL(&b->link);
 543
 544                         free(b);
 545                 }
 546         }
 547
 548         _pthread_mutex_unlock(&private_display->lock);
 549
 550         return ret;
 551 }