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                 char str[TDM_PATH_LEN];
 135                 static int i;
 136                 snprintf(str, TDM_PATH_LEN, "pp_dst_%03d", i++);
 137                 tdm_helper_dump_buffer_str(dst, tdm_debug_dump_dir, str);
 138         }
 139
 140         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 141                 TDM_INFO("pp(%p) done: src(%p) dst(%p)", private_pp, src, dst);
 142
 143         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 144                 first_entry = container_of((&private_pp->buffer_list)->next, pp_buffer, link);
 145                 if (first_entry->src != src || first_entry->dst != dst)
 146                         TDM_ERR("buffer(%p,%p) is skipped", first_entry->src, first_entry->dst);
 147         } else {
 148                 TDM_NEVER_GET_HERE();
 149         }
 150
 151         if ((pp_buffer = _tdm_pp_find_tbm_buffers(&private_pp->buffer_list, src, dst))) {
 152                 LIST_DEL(&pp_buffer->link);
 153
 154                 _pthread_mutex_unlock(&private_display->lock);
 155                 if (private_pp->done_func)
 156                         private_pp->done_func(private_pp, src, dst, private_pp->done_user_data);
 157                 tdm_buffer_unref_backend(src);
 158                 tdm_buffer_unref_backend(dst);
 159                 _pthread_mutex_lock(&private_display->lock);
 160
 161                 free(pp_buffer);
 162         }
 163 }
 164
 165 INTERN tdm_private_pp *
 166 tdm_pp_find_stamp(tdm_private_display *private_display, double stamp)
 167 {
 168         tdm_private_pp *private_pp = NULL;
 169
 170         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 171
 172         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 173                 if (private_pp->stamp == stamp)
 174                         return private_pp;
 175         }
 176
 177         return NULL;
 178 }
 179
 180 INTERN tdm_private_pp *
 181 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
 182 {
 183         tdm_func_display *func_display;
 184         tdm_func_pp *func_pp;
 185         tdm_private_pp *private_pp = NULL;
 186         tdm_pp *pp_backend = NULL;
 187         tdm_error ret = TDM_ERROR_NONE;
 188
 189         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 190
 191         func_display = &private_display->func_display;
 192         func_pp = &private_display->func_pp;
 193
 194         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
 195                 TDM_ERR("no pp capability");
 196                 if (error)
 197                         *error = TDM_ERROR_NO_CAPABILITY;
 198                 return NULL;
 199         }
 200
 201         pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
 202         if (ret != TDM_ERROR_NONE) {
 203                 if (error)
 204                         *error = ret;
 205                 return NULL;
 206         }
 207
 208         private_pp = calloc(1, sizeof(tdm_private_pp));
 209         if (!private_pp) {
 210                 TDM_ERR("failed: alloc memory");
 211                 func_pp->pp_destroy(pp_backend);
 212                 if (error)
 213                         *error = TDM_ERROR_OUT_OF_MEMORY;
 214                 return NULL;
 215         }
 216
 217         ret = func_pp->pp_set_done_handler(pp_backend, tdm_pp_cb_done, private_pp);
 218         if (ret != TDM_ERROR_NONE) {
 219                 TDM_ERR("spp(%p) et pp_done_handler failed", private_pp);
 220                 func_pp->pp_destroy(pp_backend);
 221                 if (error)
 222                         *error = ret;
 223                 return NULL;
 224         }
 225
 226         private_pp->stamp = tdm_helper_get_time();
 227         while (tdm_pp_find_stamp(private_display, private_pp->stamp))
 228                 private_pp->stamp++;
 229
 230         LIST_ADD(&private_pp->link, &private_display->pp_list);
 231         private_pp->private_display = private_display;
 232         private_pp->pp_backend = pp_backend;
 233         private_pp->owner_tid = syscall(SYS_gettid);
 234
 235         LIST_INITHEAD(&private_pp->pending_buffer_list);
 236         LIST_INITHEAD(&private_pp->buffer_list);
 237
 238         if (error)
 239                 *error = TDM_ERROR_NONE;
 240
 241         return private_pp;
 242 }
 243
 244 INTERN void
 245 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 246 {
 247         tdm_private_display *private_display;
 248         tdm_func_pp *func_pp;
 249         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 250         struct list_head clone_list;
 251
 252         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 253
 254         if (!private_pp)
 255                 return;
 256
 257         private_display = private_pp->private_display;
 258         func_pp = &private_display->func_pp;
 259
 260         LIST_DEL(&private_pp->link);
 261
 262         func_pp->pp_destroy(private_pp->pp_backend);
 263
 264         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 265                 TDM_WRN("pp(%p) not finished:", private_pp);
 266                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 267
 268                 LIST_INITHEAD(&clone_list);
 269                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 270                         LIST_DEL(&b->link);
 271                         LIST_ADDTAIL(&b->link, &clone_list);
 272                 }
 273
 274                 _pthread_mutex_unlock(&private_display->lock);
 275                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &clone_list, link) {
 276                         LIST_DEL(&b->link);
 277                         tdm_buffer_unref_backend(b->src);
 278                         tdm_buffer_unref_backend(b->dst);
 279                         free(b);
 280                 }
 281                 _pthread_mutex_lock(&private_display->lock);
 282         }
 283
 284         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 285                 TDM_WRN("pp(%p) not finished:", private_pp);
 286                 _tdm_pp_print_list(&private_pp->buffer_list);
 287
 288                 LIST_INITHEAD(&clone_list);
 289                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 290                         LIST_DEL(&b->link);
 291                         LIST_ADDTAIL(&b->link, &clone_list);
 292                 }
 293
 294                 _pthread_mutex_unlock(&private_display->lock);
 295                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &clone_list, link) {
 296                         LIST_DEL(&b->link);
 297                         tdm_buffer_unref_backend(b->src);
 298                         tdm_buffer_unref_backend(b->dst);
 299                         free(b);
 300                 }
 301                 _pthread_mutex_lock(&private_display->lock);
 302         }
 303
 304         private_pp->stamp = 0;
 305         free(private_pp);
 306 }
 307
 308 EXTERN void
 309 tdm_pp_destroy(tdm_pp *pp)
 310 {
 311         tdm_private_pp *private_pp = pp;
 312         tdm_private_display *private_display;
 313
 314         if (!private_pp)
 315                 return;
 316
 317         private_display = private_pp->private_display;
 318
 319         _pthread_mutex_lock(&private_display->lock);
 320         tdm_pp_destroy_internal(private_pp);
 321         _pthread_mutex_unlock(&private_display->lock);
 322 }
 323
 324 EXTERN tdm_error
 325 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 326 {
 327         PP_FUNC_ENTRY();
 328
 329         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 330
 331         _pthread_mutex_lock(&private_display->lock);
 332
 333         if (!func_pp->pp_set_info) {
 334                 _pthread_mutex_unlock(&private_display->lock);
 335                 TDM_DBG("failed: not implemented!!");
 336                 return TDM_ERROR_NOT_IMPLEMENTED;
 337         }
 338
 339         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)",
 340                          private_pp, info->src_config.size.h, info->src_config.size.v,
 341                          info->src_config.pos.x, info->src_config.pos.y,
 342                          info->src_config.pos.w, info->src_config.pos.h,
 343                          FOURCC_STR(info->src_config.format),
 344                          info->dst_config.size.h, info->dst_config.size.v,
 345                          info->dst_config.pos.x, info->dst_config.pos.y,
 346                          info->dst_config.pos.w, info->dst_config.pos.h,
 347                          FOURCC_STR(info->dst_config.format),
 348                          info->transform, info->sync, info->flags);
 349
 350         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 351         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 352
 353         private_pp->info = *info;
 354
 355         _pthread_mutex_unlock(&private_display->lock);
 356
 357         return ret;
 358 }
 359
 360 EXTERN tdm_error
 361 tdm_pp_set_done_handler(tdm_pp *pp, tdm_pp_done_handler func, void *user_data)
 362 {
 363         tdm_private_display *private_display;
 364         tdm_private_pp *private_pp;
 365         tdm_error ret = TDM_ERROR_NONE;
 366
 367         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER);
 368
 369         private_pp = (tdm_private_pp*)pp;
 370         private_display = private_pp->private_display;
 371
 372         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 373
 374         _pthread_mutex_lock(&private_display->lock);
 375
 376         private_pp->done_func = func;
 377         private_pp->done_user_data = user_data;
 378
 379         _pthread_mutex_unlock(&private_display->lock);
 380
 381         return ret;
 382 }
 383
 384 EXTERN tdm_error
 385 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 386 {
 387         tdm_pp_private_buffer *pp_buffer;
 388
 389         PP_FUNC_ENTRY();
 390
 391         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 392         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 393
 394         _pthread_mutex_lock(&private_display->lock);
 395
 396         if (!func_pp->pp_attach) {
 397                 _pthread_mutex_unlock(&private_display->lock);
 398                 TDM_DBG("failed: not implemented!!");
 399                 return TDM_ERROR_NOT_IMPLEMENTED;
 400         }
 401
 402         if (tdm_display_check_module_abi(private_display, 1, 2) &&
 403                 private_display->caps_pp.max_attach_count > 0) {
 404                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 405                                          LIST_LENGTH(&private_pp->buffer_list);
 406                 if (length >= private_display->caps_pp.max_attach_count) {
 407                         _pthread_mutex_unlock(&private_display->lock);
 408                         TDM_DBG("failed: too many attached!! max_attach_count(%d)",
 409                                         private_display->caps_pp.max_attach_count);
 410                         return TDM_ERROR_BAD_REQUEST;
 411                 }
 412         }
 413
 414         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 415                 char str[TDM_PATH_LEN];
 416                 static int i;
 417                 snprintf(str, TDM_PATH_LEN, "pp_src_%03d", i++);
 418                 tdm_helper_dump_buffer_str(src, tdm_debug_dump_dir, str);
 419         }
 420
 421         pp_buffer = calloc(1, sizeof * pp_buffer);
 422         if (!pp_buffer) {
 423                 _pthread_mutex_unlock(&private_display->lock);
 424                 TDM_ERR("alloc failed");
 425                 return TDM_ERROR_OUT_OF_MEMORY;
 426         }
 427
 428         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 429         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 430
 431         if (ret != TDM_ERROR_NONE) {
 432                 free(pp_buffer);
 433                 _pthread_mutex_unlock(&private_display->lock);
 434                 TDM_ERR("attach failed");
 435                 return ret;
 436         }
 437
 438         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 439         pp_buffer->src = tdm_buffer_ref_backend(src);
 440         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 441
 442         if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 443                 TDM_INFO("pp(%p) attached:", private_pp);
 444                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 445         }
 446
 447         _pthread_mutex_unlock(&private_display->lock);
 448
 449         return ret;
 450 }
 451
 452 EXTERN tdm_error
 453 tdm_pp_commit(tdm_pp *pp)
 454 {
 455         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 456         struct list_head commit_buffer_list;
 457
 458         PP_FUNC_ENTRY();
 459
 460         _pthread_mutex_lock(&private_display->lock);
 461
 462         if (!func_pp->pp_commit) {
 463                 _pthread_mutex_unlock(&private_display->lock);
 464                 TDM_DBG("failed: not implemented!!");
 465                 return TDM_ERROR_NOT_IMPLEMENTED;
 466         }
 467
 468         LIST_INITHEAD(&commit_buffer_list);
 469
 470         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 471                 LIST_DEL(&b->link);
 472                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 473                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 474         }
 475
 476         ret = func_pp->pp_commit(private_pp->pp_backend);
 477         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 478
 479         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 480                 LIST_DEL(&b->commit_link);
 481
 482                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 483                         continue;
 484
 485                 if (ret != TDM_ERROR_NONE) {
 486                         /* Not to call the user release handler when failed.
 487                          * Do we have to call this function here really?
 488                          * User better use set_done_handler to know when pp is done. Using
 489                          * buffer_release_handler is not good.
 490                          */
 491                         tdm_buffer_remove_release_handler_internal(b->src);
 492                         tdm_buffer_remove_release_handler_internal(b->dst);
 493
 494                         _pthread_mutex_unlock(&private_display->lock);
 495                         tdm_buffer_unref_backend(b->src);
 496                         tdm_buffer_unref_backend(b->dst);
 497                         _pthread_mutex_lock(&private_display->lock);
 498                         LIST_DEL(&b->link);
 499                 }
 500         }
 501
 502         _pthread_mutex_unlock(&private_display->lock);
 503
 504         return ret;
 505 }