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_INFO("\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
 251         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 252
 253         if (!private_pp)
 254                 return;
 255
 256         private_display = private_pp->private_display;
 257         func_pp = &private_display->func_pp;
 258
 259         LIST_DEL(&private_pp->link);
 260
 261         func_pp->pp_destroy(private_pp->pp_backend);
 262
 263         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 264                 TDM_WRN("pp(%p) not finished:", private_pp);
 265                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 266
 267                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 268                         LIST_DEL(&b->link);
 269                 }
 270         }
 271
 272         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 273                 TDM_WRN("pp(%p) not finished:", private_pp);
 274                 _tdm_pp_print_list(&private_pp->buffer_list);
 275
 276                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 277                         LIST_DEL(&b->link);
 278                         _pthread_mutex_unlock(&private_display->lock);
 279                         tdm_buffer_unref_backend(b->src);
 280                         tdm_buffer_unref_backend(b->dst);
 281                         _pthread_mutex_lock(&private_display->lock);
 282                 }
 283         }
 284
 285         private_pp->stamp = 0;
 286         free(private_pp);
 287 }
 288
 289 EXTERN void
 290 tdm_pp_destroy(tdm_pp *pp)
 291 {
 292         tdm_private_pp *private_pp = pp;
 293         tdm_private_display *private_display;
 294
 295         if (!private_pp)
 296                 return;
 297
 298         private_display = private_pp->private_display;
 299
 300         _pthread_mutex_lock(&private_display->lock);
 301         tdm_pp_destroy_internal(private_pp);
 302         _pthread_mutex_unlock(&private_display->lock);
 303 }
 304
 305 EXTERN tdm_error
 306 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 307 {
 308         PP_FUNC_ENTRY();
 309
 310         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 311
 312         _pthread_mutex_lock(&private_display->lock);
 313
 314         if (!func_pp->pp_set_info) {
 315                 _pthread_mutex_unlock(&private_display->lock);
 316                 TDM_DBG("failed: not implemented!!");
 317                 return TDM_ERROR_NOT_IMPLEMENTED;
 318         }
 319
 320         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)",
 321                          private_pp, info->src_config.size.h, info->src_config.size.v,
 322                          info->src_config.pos.x, info->src_config.pos.y,
 323                          info->src_config.pos.w, info->src_config.pos.h,
 324                          FOURCC_STR(info->src_config.format),
 325                          info->dst_config.size.h, info->dst_config.size.v,
 326                          info->dst_config.pos.x, info->dst_config.pos.y,
 327                          info->dst_config.pos.w, info->dst_config.pos.h,
 328                          FOURCC_STR(info->dst_config.format),
 329                          info->transform, info->sync, info->flags);
 330
 331         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 332         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 333
 334         private_pp->info = *info;
 335
 336         _pthread_mutex_unlock(&private_display->lock);
 337
 338         return ret;
 339 }
 340
 341 EXTERN tdm_error
 342 tdm_pp_set_done_handler(tdm_pp *pp, tdm_pp_done_handler func, void *user_data)
 343 {
 344         tdm_private_display *private_display;
 345         tdm_private_pp *private_pp;
 346         tdm_error ret = TDM_ERROR_NONE;
 347
 348         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER);
 349
 350         private_pp = (tdm_private_pp*)pp;
 351         private_display = private_pp->private_display;
 352
 353         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 354
 355         _pthread_mutex_lock(&private_display->lock);
 356
 357         private_pp->done_func = func;
 358         private_pp->done_user_data = user_data;
 359
 360         _pthread_mutex_unlock(&private_display->lock);
 361
 362         return ret;
 363 }
 364
 365 EXTERN tdm_error
 366 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 367 {
 368         tdm_pp_private_buffer *pp_buffer;
 369
 370         PP_FUNC_ENTRY();
 371
 372         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 373         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 374
 375         _pthread_mutex_lock(&private_display->lock);
 376
 377         if (!func_pp->pp_attach) {
 378                 _pthread_mutex_unlock(&private_display->lock);
 379                 TDM_DBG("failed: not implemented!!");
 380                 return TDM_ERROR_NOT_IMPLEMENTED;
 381         }
 382
 383         if (tdm_display_check_module_abi(private_display, 1, 2) &&
 384                 private_display->caps_pp.max_attach_count > 0) {
 385                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 386                                          LIST_LENGTH(&private_pp->buffer_list);
 387                 if (length >= private_display->caps_pp.max_attach_count) {
 388                         _pthread_mutex_unlock(&private_display->lock);
 389                         TDM_DBG("failed: too many attached!! max_attach_count(%d)",
 390                                         private_display->caps_pp.max_attach_count);
 391                         return TDM_ERROR_BAD_REQUEST;
 392                 }
 393         }
 394
 395         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 396                 char str[TDM_PATH_LEN];
 397                 static int i;
 398                 snprintf(str, TDM_PATH_LEN, "pp_src_%03d", i++);
 399                 tdm_helper_dump_buffer_str(src, tdm_debug_dump_dir, str);
 400         }
 401
 402         pp_buffer = calloc(1, sizeof *pp_buffer);
 403         if (!pp_buffer) {
 404                 _pthread_mutex_unlock(&private_display->lock);
 405                 TDM_ERR("alloc failed");
 406                 return TDM_ERROR_OUT_OF_MEMORY;
 407         }
 408
 409         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 410         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 411
 412         if (ret != TDM_ERROR_NONE) {
 413                 free(pp_buffer);
 414                 _pthread_mutex_unlock(&private_display->lock);
 415                 TDM_ERR("attach failed");
 416                 return ret;
 417         }
 418
 419         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 420         pp_buffer->src = tdm_buffer_ref_backend(src);
 421         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 422
 423         if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 424                 TDM_INFO("pp(%p) attached:", private_pp);
 425                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 426         }
 427
 428         _pthread_mutex_unlock(&private_display->lock);
 429
 430         return ret;
 431 }
 432
 433 EXTERN tdm_error
 434 tdm_pp_commit(tdm_pp *pp)
 435 {
 436         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 437         struct list_head commit_buffer_list;
 438
 439         PP_FUNC_ENTRY();
 440
 441         _pthread_mutex_lock(&private_display->lock);
 442
 443         if (!func_pp->pp_commit) {
 444                 _pthread_mutex_unlock(&private_display->lock);
 445                 TDM_DBG("failed: not implemented!!");
 446                 return TDM_ERROR_NOT_IMPLEMENTED;
 447         }
 448
 449         LIST_INITHEAD(&commit_buffer_list);
 450
 451         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 452                 LIST_DEL(&b->link);
 453                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 454                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 455         }
 456
 457         ret = func_pp->pp_commit(private_pp->pp_backend);
 458         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 459
 460         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 461                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 462                         continue;
 463
 464                 LIST_DEL(&b->commit_link);
 465
 466                 if (ret != TDM_ERROR_NONE) {
 467                         tdm_buffer_remove_release_handler_internal(b->src);
 468                         tdm_buffer_remove_release_handler_internal(b->dst);
 469
 470                         _pthread_mutex_unlock(&private_display->lock);
 471                         tdm_buffer_unref_backend(b->src);
 472                         tdm_buffer_unref_backend(b->dst);
 473                         _pthread_mutex_lock(&private_display->lock);
 474                         LIST_DEL(&b->link);
 475                 }
 476         }
 477
 478         _pthread_mutex_unlock(&private_display->lock);
 479
 480         return ret;
 481 }