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