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 (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 143                 first_entry = container_of((&private_pp->buffer_list)->next, pp_buffer, link);
 144                 if (first_entry->src != src || first_entry->dst != dst)
 145                         TDM_ERR("buffer(%p,%p) is skipped", first_entry->src, first_entry->dst);
 146         } else {
 147                 TDM_NEVER_GET_HERE();
 148         }
 149
 150         if ((pp_buffer = _tdm_pp_find_tbm_buffers(&private_pp->buffer_list, src, dst))) {
 151                 LIST_DEL(&pp_buffer->link);
 152                 LIST_DELINIT(&pp_buffer->commit_link);
 153
 154                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 155                         TDM_INFO("pp(%p) done: src(%p) dst(%p)", private_pp, src, dst);
 156
 157                 if (tdm_ttrace_module & TDM_TTRACE_PP) {
 158                         tbm_bo bo = tbm_surface_internal_get_bo(dst, 0);
 159                         TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 160                 }
 161
 162                 _pthread_mutex_unlock(&private_display->lock);
 163                 if (private_pp->done_func)
 164                         private_pp->done_func(private_pp, src, dst, private_pp->done_user_data);
 165                 tdm_buffer_unref_backend(src);
 166                 tdm_buffer_unref_backend(dst);
 167                 _pthread_mutex_lock(&private_display->lock);
 168
 169                 free(pp_buffer);
 170         }
 171 }
 172
 173 INTERN tdm_private_pp *
 174 tdm_pp_find_stamp(tdm_private_display *private_display, double stamp)
 175 {
 176         tdm_private_pp *private_pp = NULL;
 177
 178         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 179
 180         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 181                 if (private_pp->stamp == stamp)
 182                         return private_pp;
 183         }
 184
 185         return NULL;
 186 }
 187
 188 INTERN tdm_private_pp *
 189 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
 190 {
 191         tdm_func_display *func_display;
 192         tdm_func_pp *func_pp;
 193         tdm_private_pp *private_pp = NULL;
 194         tdm_pp *pp_backend = NULL;
 195         tdm_error ret = TDM_ERROR_NONE;
 196
 197         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 198
 199         func_display = &private_display->func_display;
 200         func_pp = &private_display->func_pp;
 201
 202         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
 203                 /* LCOV_EXCL_START */
 204                 TDM_ERR("no pp capability");
 205                 if (error)
 206                         *error = TDM_ERROR_NO_CAPABILITY;
 207                 return NULL;
 208                 /* LCOV_EXCL_STOP */
 209         }
 210
 211         pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
 212         if (ret != TDM_ERROR_NONE) {
 213                 /* LCOV_EXCL_START */
 214                 if (error)
 215                         *error = ret;
 216                 return NULL;
 217                 /* LCOV_EXCL_STOP */
 218         }
 219
 220         private_pp = calloc(1, sizeof(tdm_private_pp));
 221         if (!private_pp) {
 222                 /* LCOV_EXCL_START */
 223                 TDM_ERR("failed: alloc memory");
 224                 func_pp->pp_destroy(pp_backend);
 225                 if (error)
 226                         *error = TDM_ERROR_OUT_OF_MEMORY;
 227                 return NULL;
 228                 /* LCOV_EXCL_STOP */
 229         }
 230
 231         ret = func_pp->pp_set_done_handler(pp_backend, tdm_pp_cb_done, private_pp);
 232         if (ret != TDM_ERROR_NONE) {
 233                 /* LCOV_EXCL_START */
 234                 TDM_ERR("spp(%p) et pp_done_handler failed", private_pp);
 235                 func_pp->pp_destroy(pp_backend);
 236                 if (error)
 237                         *error = ret;
 238                 return NULL;
 239                 /* LCOV_EXCL_STOP */
 240         }
 241
 242         private_pp->stamp = tdm_helper_get_time();
 243         while (tdm_pp_find_stamp(private_display, private_pp->stamp))
 244                 private_pp->stamp++;
 245
 246         LIST_ADD(&private_pp->link, &private_display->pp_list);
 247         private_pp->private_display = private_display;
 248         private_pp->pp_backend = pp_backend;
 249         private_pp->owner_tid = syscall(SYS_gettid);
 250
 251         LIST_INITHEAD(&private_pp->pending_buffer_list);
 252         LIST_INITHEAD(&private_pp->buffer_list);
 253
 254         if (error)
 255                 *error = TDM_ERROR_NONE;
 256
 257         return private_pp;
 258 }
 259
 260 INTERN void
 261 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 262 {
 263         tdm_private_display *private_display;
 264         tdm_func_pp *func_pp;
 265         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 266         struct list_head clone_list;
 267
 268         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 269
 270         if (!private_pp)
 271                 return;
 272
 273         private_display = private_pp->private_display;
 274         func_pp = &private_display->func_pp;
 275
 276         LIST_DEL(&private_pp->link);
 277
 278         func_pp->pp_destroy(private_pp->pp_backend);
 279
 280         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 281                 TDM_WRN("pp(%p) not finished:", private_pp);
 282                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 283
 284                 LIST_INITHEAD(&clone_list);
 285                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 286                         LIST_DEL(&b->link);
 287                         LIST_ADDTAIL(&b->link, &clone_list);
 288                 }
 289
 290                 _pthread_mutex_unlock(&private_display->lock);
 291                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &clone_list, link) {
 292                         LIST_DEL(&b->link);
 293
 294                         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 295                                 tbm_bo bo = tbm_surface_internal_get_bo(b->dst, 0);
 296                                 TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 297                         }
 298
 299                         tdm_buffer_unref_backend(b->src);
 300                         tdm_buffer_unref_backend(b->dst);
 301                         free(b);
 302                 }
 303                 _pthread_mutex_lock(&private_display->lock);
 304         }
 305
 306         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 307                 TDM_WRN("pp(%p) not finished:", private_pp);
 308                 _tdm_pp_print_list(&private_pp->buffer_list);
 309
 310                 LIST_INITHEAD(&clone_list);
 311                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 312                         LIST_DEL(&b->link);
 313                         LIST_ADDTAIL(&b->link, &clone_list);
 314                 }
 315
 316                 _pthread_mutex_unlock(&private_display->lock);
 317                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &clone_list, link) {
 318                         LIST_DEL(&b->link);
 319
 320                         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 321                                 tbm_bo bo = tbm_surface_internal_get_bo(b->dst, 0);
 322                                 TDM_TRACE_ASYNC_END((intptr_t)private_pp, "[PP] %d", tbm_bo_export(bo));
 323                         }
 324
 325                         tdm_buffer_unref_backend(b->src);
 326                         tdm_buffer_unref_backend(b->dst);
 327                         free(b);
 328                 }
 329                 _pthread_mutex_lock(&private_display->lock);
 330         }
 331
 332         private_pp->stamp = 0;
 333         free(private_pp);
 334 }
 335
 336 EXTERN void
 337 tdm_pp_destroy(tdm_pp *pp)
 338 {
 339         tdm_private_pp *private_pp = pp;
 340         tdm_private_display *private_display;
 341
 342         if (!private_pp)
 343                 return;
 344
 345         private_display = private_pp->private_display;
 346
 347         _pthread_mutex_lock(&private_display->lock);
 348         tdm_pp_destroy_internal(private_pp);
 349         _pthread_mutex_unlock(&private_display->lock);
 350 }
 351
 352 EXTERN tdm_error
 353 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 354 {
 355         PP_FUNC_ENTRY();
 356
 357         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 358
 359         _pthread_mutex_lock(&private_display->lock);
 360
 361         if (!func_pp->pp_set_info) {
 362                 /* LCOV_EXCL_START */
 363                 _pthread_mutex_unlock(&private_display->lock);
 364                 TDM_DBG("failed: not implemented!!");
 365                 return TDM_ERROR_NOT_IMPLEMENTED;
 366                 /* LCOV_EXCL_STOP */
 367         }
 368
 369         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)",
 370                          private_pp, info->src_config.size.h, info->src_config.size.v,
 371                          info->src_config.pos.x, info->src_config.pos.y,
 372                          info->src_config.pos.w, info->src_config.pos.h,
 373                          FOURCC_STR(info->src_config.format),
 374                          info->dst_config.size.h, info->dst_config.size.v,
 375                          info->dst_config.pos.x, info->dst_config.pos.y,
 376                          info->dst_config.pos.w, info->dst_config.pos.h,
 377                          FOURCC_STR(info->dst_config.format),
 378                          info->transform, info->sync, info->flags);
 379
 380         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 381         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 382
 383         private_pp->info = *info;
 384
 385         _pthread_mutex_unlock(&private_display->lock);
 386
 387         return ret;
 388 }
 389
 390 EXTERN tdm_error
 391 tdm_pp_set_done_handler(tdm_pp *pp, tdm_pp_done_handler func, void *user_data)
 392 {
 393         tdm_private_display *private_display;
 394         tdm_private_pp *private_pp;
 395         tdm_error ret = TDM_ERROR_NONE;
 396
 397         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER);
 398
 399         private_pp = (tdm_private_pp*)pp;
 400         private_display = private_pp->private_display;
 401
 402         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 403
 404         _pthread_mutex_lock(&private_display->lock);
 405
 406         private_pp->done_func = func;
 407         private_pp->done_user_data = user_data;
 408
 409         _pthread_mutex_unlock(&private_display->lock);
 410
 411         return ret;
 412 }
 413
 414 EXTERN tdm_error
 415 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 416 {
 417         tdm_pp_private_buffer *pp_buffer;
 418
 419         PP_FUNC_ENTRY();
 420
 421         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 422         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 423
 424         _pthread_mutex_lock(&private_display->lock);
 425
 426         if (!func_pp->pp_attach) {
 427                 /* LCOV_EXCL_START */
 428                 _pthread_mutex_unlock(&private_display->lock);
 429                 TDM_DBG("failed: not implemented!!");
 430                 return TDM_ERROR_NOT_IMPLEMENTED;
 431                 /* LCOV_EXCL_STOP */
 432         }
 433
 434         if (tdm_display_check_module_abi(private_display, 1, 2) &&
 435                 private_display->caps_pp.max_attach_count > 0) {
 436                 /* LCOV_EXCL_START */
 437                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 438                                          LIST_LENGTH(&private_pp->buffer_list);
 439                 if (length >= private_display->caps_pp.max_attach_count) {
 440                         _pthread_mutex_unlock(&private_display->lock);
 441                         TDM_DBG("failed: too many attached!! max_attach_count(%d)",
 442                                         private_display->caps_pp.max_attach_count);
 443                         return TDM_ERROR_BAD_REQUEST;
 444                 }
 445                 /* LCOV_EXCL_STOP */
 446         }
 447
 448         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 449                 /* LCOV_EXCL_START */
 450                 char str[TDM_PATH_LEN];
 451                 static int i;
 452                 snprintf(str, TDM_PATH_LEN, "pp_src_%03d", i++);
 453                 tdm_helper_dump_buffer_str(src, tdm_debug_dump_dir, str);
 454                 /* LCOV_EXCL_STOP */
 455         }
 456
 457         pp_buffer = calloc(1, sizeof * pp_buffer);
 458         if (!pp_buffer) {
 459                 /* LCOV_EXCL_START */
 460                 _pthread_mutex_unlock(&private_display->lock);
 461                 TDM_ERR("alloc failed");
 462                 return TDM_ERROR_OUT_OF_MEMORY;
 463                 /* LCOV_EXCL_STOP */
 464         }
 465
 466         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 467         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 468
 469         if (ret != TDM_ERROR_NONE) {
 470                 /* LCOV_EXCL_START */
 471                 free(pp_buffer);
 472                 _pthread_mutex_unlock(&private_display->lock);
 473                 TDM_ERR("attach failed");
 474                 return ret;
 475                 /* LCOV_EXCL_STOP */
 476         }
 477
 478         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 479         pp_buffer->src = tdm_buffer_ref_backend(src);
 480         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 481
 482         if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 483                 TDM_INFO("pp(%p) attached:", private_pp);
 484                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 485         }
 486
 487         if (tdm_ttrace_module & TDM_TTRACE_PP) {
 488                 tbm_bo bo = tbm_surface_internal_get_bo(dst, 0);
 489                 TDM_TRACE_ASYNC_BEGIN((intptr_t)pp, "[PP] %d", tbm_bo_export(bo));
 490         }
 491
 492         _pthread_mutex_unlock(&private_display->lock);
 493
 494         return ret;
 495 }
 496
 497 EXTERN tdm_error
 498 tdm_pp_commit(tdm_pp *pp)
 499 {
 500         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 501         struct list_head commit_buffer_list;
 502
 503         PP_FUNC_ENTRY();
 504
 505         _pthread_mutex_lock(&private_display->lock);
 506
 507         if (!func_pp->pp_commit) {
 508                 /* LCOV_EXCL_START */
 509                 _pthread_mutex_unlock(&private_display->lock);
 510                 TDM_DBG("failed: not implemented!!");
 511                 return TDM_ERROR_NOT_IMPLEMENTED;
 512                 /* LCOV_EXCL_STOP */
 513         }
 514
 515         LIST_INITHEAD(&commit_buffer_list);
 516
 517         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 518                 LIST_DEL(&b->link);
 519                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 520                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 521         }
 522
 523         ret = func_pp->pp_commit(private_pp->pp_backend);
 524         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 525
 526         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 527                 LIST_DELINIT(&b->commit_link);
 528
 529                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 530                         continue;
 531
 532                 if (ret != TDM_ERROR_NONE) {
 533                         /* Not to call the user release handler when failed.
 534                          * Do we have to call this function here really?
 535                          * User better use set_done_handler to know when pp is done. Using
 536                          * buffer_release_handler is not good.
 537                          */
 538                         tdm_buffer_remove_release_handler_internal(b->src);
 539                         tdm_buffer_remove_release_handler_internal(b->dst);
 540
 541                         _pthread_mutex_unlock(&private_display->lock);
 542                         tdm_buffer_unref_backend(b->src);
 543                         tdm_buffer_unref_backend(b->dst);
 544                         _pthread_mutex_lock(&private_display->lock);
 545                         LIST_DEL(&b->link);
 546
 547                         free(b);
 548                 }
 549         }
 550
 551         _pthread_mutex_unlock(&private_display->lock);
 552
 553         return ret;
 554 }