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, 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                 tdm_buffer_unref_backend(src);
 156                 tdm_buffer_unref_backend(dst);
 157                 _pthread_mutex_lock(&private_display->lock);
 158
 159                 free(pp_buffer);
 160         }
 161 }
 162
 163 INTERN tdm_private_pp *
 164 tdm_pp_find_stamp(tdm_private_display *private_display, unsigned long stamp)
 165 {
 166         tdm_private_pp *private_pp = NULL;
 167
 168         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 169
 170         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 171                 if (private_pp->stamp == stamp)
 172                         return private_pp;
 173         }
 174
 175         return NULL;
 176 }
 177
 178 INTERN tdm_private_pp *
 179 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
 180 {
 181         tdm_func_display *func_display;
 182         tdm_func_pp *func_pp;
 183         tdm_private_pp *private_pp = NULL;
 184         tdm_pp *pp_backend = NULL;
 185         tdm_error ret = TDM_ERROR_NONE;
 186
 187         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 188
 189         func_display = &private_display->func_display;
 190         func_pp = &private_display->func_pp;
 191
 192         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
 193                 TDM_ERR("no pp capability");
 194                 if (error)
 195                         *error = TDM_ERROR_NO_CAPABILITY;
 196                 return NULL;
 197         }
 198
 199         pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
 200         if (ret != TDM_ERROR_NONE) {
 201                 if (error)
 202                         *error = ret;
 203                 return NULL;
 204         }
 205
 206         private_pp = calloc(1, sizeof(tdm_private_pp));
 207         if (!private_pp) {
 208                 TDM_ERR("failed: alloc memory");
 209                 func_pp->pp_destroy(pp_backend);
 210                 if (error)
 211                         *error = TDM_ERROR_OUT_OF_MEMORY;
 212                 return NULL;
 213         }
 214
 215         ret = func_pp->pp_set_done_handler(pp_backend, tdm_pp_cb_done, private_pp);
 216         if (ret != TDM_ERROR_NONE) {
 217                 TDM_ERR("spp(%p) et pp_done_handler failed", private_pp);
 218                 func_pp->pp_destroy(pp_backend);
 219                 if (error)
 220                         *error = ret;
 221                 return NULL;
 222         }
 223
 224         private_pp->stamp = tdm_helper_get_time_in_millis();
 225         while (tdm_pp_find_stamp(private_display, private_pp->stamp))
 226                 private_pp->stamp++;
 227
 228         LIST_ADD(&private_pp->link, &private_display->pp_list);
 229         private_pp->private_display = private_display;
 230         private_pp->pp_backend = pp_backend;
 231         private_pp->owner_tid = syscall(SYS_gettid);
 232
 233         LIST_INITHEAD(&private_pp->pending_buffer_list);
 234         LIST_INITHEAD(&private_pp->buffer_list);
 235
 236         if (error)
 237                 *error = TDM_ERROR_NONE;
 238
 239         return private_pp;
 240 }
 241
 242 INTERN void
 243 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 244 {
 245         tdm_private_display *private_display;
 246         tdm_func_pp *func_pp;
 247         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 248
 249         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 250
 251         if (!private_pp)
 252                 return;
 253
 254         private_display = private_pp->private_display;
 255         func_pp = &private_display->func_pp;
 256
 257         LIST_DEL(&private_pp->link);
 258
 259         func_pp->pp_destroy(private_pp->pp_backend);
 260
 261         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 262                 TDM_WRN("pp(%p) not finished:", private_pp);
 263                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 264
 265                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 266                         LIST_DEL(&b->link);
 267                 }
 268         }
 269
 270         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 271                 TDM_WRN("pp(%p) not finished:", private_pp);
 272                 _tdm_pp_print_list(&private_pp->buffer_list);
 273
 274                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 275                         LIST_DEL(&b->link);
 276                         _pthread_mutex_unlock(&private_display->lock);
 277                         tdm_buffer_unref_backend(b->src);
 278                         tdm_buffer_unref_backend(b->dst);
 279                         _pthread_mutex_lock(&private_display->lock);
 280                 }
 281         }
 282
 283         private_pp->stamp = 0;
 284         free(private_pp);
 285 }
 286
 287 EXTERN void
 288 tdm_pp_destroy(tdm_pp *pp)
 289 {
 290         tdm_private_pp *private_pp = pp;
 291         tdm_private_display *private_display;
 292
 293         if (!private_pp)
 294                 return;
 295
 296         private_display = private_pp->private_display;
 297
 298         _pthread_mutex_lock(&private_display->lock);
 299         tdm_pp_destroy_internal(private_pp);
 300         _pthread_mutex_unlock(&private_display->lock);
 301 }
 302
 303 EXTERN tdm_error
 304 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 305 {
 306         PP_FUNC_ENTRY();
 307
 308         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 309
 310         _pthread_mutex_lock(&private_display->lock);
 311
 312         if (!func_pp->pp_set_info) {
 313                 _pthread_mutex_unlock(&private_display->lock);
 314                 TDM_DBG("failed: not implemented!!");
 315                 return TDM_ERROR_NOT_IMPLEMENTED;
 316         }
 317
 318         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)",
 319                          private_pp, info->src_config.size.h, info->src_config.size.v,
 320                          info->src_config.pos.x, info->src_config.pos.y,
 321                          info->src_config.pos.w, info->src_config.pos.h,
 322                          FOURCC_STR(info->src_config.format),
 323                          info->dst_config.size.h, info->dst_config.size.v,
 324                          info->dst_config.pos.x, info->dst_config.pos.y,
 325                          info->dst_config.pos.w, info->dst_config.pos.h,
 326                          FOURCC_STR(info->dst_config.format),
 327                          info->transform, info->sync, info->flags);
 328
 329         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 330         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 331
 332         private_pp->info = *info;
 333
 334         _pthread_mutex_unlock(&private_display->lock);
 335
 336         return ret;
 337 }
 338
 339 EXTERN tdm_error
 340 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 341 {
 342         tdm_pp_private_buffer *pp_buffer;
 343
 344         PP_FUNC_ENTRY();
 345
 346         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 347         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 348
 349         _pthread_mutex_lock(&private_display->lock);
 350
 351         if (!func_pp->pp_attach) {
 352                 _pthread_mutex_unlock(&private_display->lock);
 353                 TDM_DBG("failed: not implemented!!");
 354                 return TDM_ERROR_NOT_IMPLEMENTED;
 355         }
 356
 357         if (tdm_display_check_module_abi(private_display, 1, 2) &&
 358                 private_display->caps_pp.max_attach_count > 0) {
 359                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 360                                          LIST_LENGTH(&private_pp->buffer_list);
 361                 if (length >= private_display->caps_pp.max_attach_count) {
 362                         _pthread_mutex_unlock(&private_display->lock);
 363                         TDM_DBG("failed: too many attached!! max_attach_count(%d)",
 364                                         private_display->caps_pp.max_attach_count);
 365                         return TDM_ERROR_BAD_REQUEST;
 366                 }
 367         }
 368
 369         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 370                 char str[TDM_PATH_LEN];
 371                 static int i;
 372                 snprintf(str, TDM_PATH_LEN, "pp_src_%03d", i++);
 373                 tdm_helper_dump_buffer_str(src, str);
 374         }
 375
 376         pp_buffer = calloc(1, sizeof *pp_buffer);
 377         if (!pp_buffer) {
 378                 _pthread_mutex_unlock(&private_display->lock);
 379                 TDM_ERR("alloc failed");
 380                 return TDM_ERROR_OUT_OF_MEMORY;
 381         }
 382
 383         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 384         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 385
 386         if (ret != TDM_ERROR_NONE) {
 387                 free(pp_buffer);
 388                 _pthread_mutex_unlock(&private_display->lock);
 389                 TDM_ERR("attach failed");
 390                 return ret;
 391         }
 392
 393         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 394         pp_buffer->src = tdm_buffer_ref_backend(src);
 395         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 396
 397         if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 398                 TDM_INFO("pp(%p) attached:", private_pp);
 399                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 400         }
 401
 402         _pthread_mutex_unlock(&private_display->lock);
 403
 404         return ret;
 405 }
 406
 407 EXTERN tdm_error
 408 tdm_pp_commit(tdm_pp *pp)
 409 {
 410         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 411         struct list_head commit_buffer_list;
 412
 413         PP_FUNC_ENTRY();
 414
 415         _pthread_mutex_lock(&private_display->lock);
 416
 417         if (!func_pp->pp_commit) {
 418                 _pthread_mutex_unlock(&private_display->lock);
 419                 TDM_DBG("failed: not implemented!!");
 420                 return TDM_ERROR_NOT_IMPLEMENTED;
 421         }
 422
 423         LIST_INITHEAD(&commit_buffer_list);
 424
 425         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 426                 LIST_DEL(&b->link);
 427                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 428                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 429         }
 430
 431         ret = func_pp->pp_commit(private_pp->pp_backend);
 432         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 433
 434         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 435                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 436                         continue;
 437
 438                 LIST_DEL(&b->commit_link);
 439
 440                 if (ret != TDM_ERROR_NONE) {
 441                         tdm_buffer_remove_release_handler_internal(b->src);
 442                         tdm_buffer_remove_release_handler_internal(b->dst);
 443
 444                         tdm_buffer_unref_backend(b->src);
 445                         tdm_buffer_unref_backend(b->dst);
 446                         LIST_DEL(&b->link);
 447                 }
 448         }
 449
 450         _pthread_mutex_unlock(&private_display->lock);
 451
 452         return ret;
 453 }