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
  44 typedef struct _tdm_pp_private_buffer {
  45         tbm_surface_h src;
  46         tbm_surface_h dst;
  47         struct list_head link;
  48         struct list_head commit_link;
  49 } tdm_pp_private_buffer;
  50
  51 #define PP_FUNC_ENTRY() \
  52         tdm_func_pp *func_pp; \
  53         tdm_private_display *private_display; \
  54         tdm_private_pp *private_pp; \
  55         tdm_error ret = TDM_ERROR_NONE; \
  56         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER); \
  57         private_pp = (tdm_private_pp*)pp; \
  58         private_display = private_pp->private_display; \
  59         func_pp = &private_display->func_pp
  60
  61 static void
  62 _tdm_pp_print_list(struct list_head *list)
  63 {
  64         tdm_pp_private_buffer *b = NULL;
  65         char str[512], *p;
  66         int len = sizeof(str);
  67
  68         TDM_RETURN_IF_FAIL(list != NULL);
  69
  70         p = str;
  71         LIST_FOR_EACH_ENTRY(b, list, link) {
  72                 if (len > 0) {
  73                         int l = snprintf(p, len, " (%p,%p)", b->src, b->dst);
  74                         p += l;
  75                         len -= l;
  76                 } else
  77                         break;
  78         }
  79
  80         TDM_INFO("\t %s", str);
  81 }
  82
  83 static tdm_pp_private_buffer *
  84 _tdm_pp_find_tbm_buffers(struct list_head *list, tbm_surface_h src, tbm_surface_h dst)
  85 {
  86         tdm_pp_private_buffer *b = NULL, *bb = NULL;
  87
  88         LIST_FOR_EACH_ENTRY_SAFE(b, bb, list, link) {
  89                 if (b->src == src && b->dst == dst)
  90                         return b;
  91         }
  92
  93         return NULL;
  94 }
  95
  96 static tdm_pp_private_buffer *
  97 _tdm_pp_find_buffer(struct list_head *list, tdm_pp_private_buffer *pp_buffer)
  98 {
  99         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 100
 101         LIST_FOR_EACH_ENTRY_SAFE(b, bb, list, link) {
 102                 if (b == pp_buffer)
 103                         return b;
 104         }
 105
 106         return NULL;
 107 }
 108
 109 INTERN void
 110 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 111                            void *user_data)
 112 {
 113         tdm_private_pp *private_pp = user_data;
 114         tdm_private_display *private_display = private_pp->private_display;
 115         tdm_pp_private_buffer *pp_buffer = NULL, *first_entry = NULL;
 116
 117         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 118
 119         if (private_pp->owner_tid != syscall(SYS_gettid)) {
 120                 tdm_thread_cb_pp_done pp_done;
 121                 tdm_error ret;
 122
 123                 pp_done.base.type = TDM_THREAD_CB_PP_DONE;
 124                 pp_done.base.length = sizeof pp_done;
 125                 pp_done.pp_stamp = private_pp->stamp;
 126                 pp_done.src = src;
 127                 pp_done.dst = dst;
 128                 pp_done.user_data = user_data;
 129
 130                 ret = tdm_thread_send_cb(private_display->private_loop, &pp_done.base);
 131                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 132
 133                 return;
 134         }
 135
 136         if (private_pp->owner_tid != syscall(SYS_gettid))
 137                 TDM_NEVER_GET_HERE();
 138
 139         if (tdm_debug_buffer)
 140                 TDM_INFO("pp(%p) done: src(%p) dst(%p)", private_pp, src, dst);
 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
 153                 _pthread_mutex_unlock(&private_display->lock);
 154                 tdm_buffer_unref_backend(src);
 155                 tdm_buffer_unref_backend(dst);
 156                 _pthread_mutex_lock(&private_display->lock);
 157
 158                 free(pp_buffer);
 159         }
 160 }
 161
 162 INTERN tdm_private_pp *
 163 tdm_pp_find_stamp(tdm_private_display *private_display, unsigned long stamp)
 164 {
 165         tdm_private_pp *private_pp = NULL;
 166
 167         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 168
 169         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 170                 if (private_pp->stamp == stamp)
 171                         return private_pp;
 172         }
 173
 174         return NULL;
 175 }
 176
 177 INTERN tdm_private_pp *
 178 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
 179 {
 180         tdm_func_display *func_display;
 181         tdm_func_pp *func_pp;
 182         tdm_private_pp *private_pp = NULL;
 183         tdm_pp *pp_backend = NULL;
 184         tdm_error ret = TDM_ERROR_NONE;
 185
 186         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 187
 188         func_display = &private_display->func_display;
 189         func_pp = &private_display->func_pp;
 190
 191         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
 192                 TDM_ERR("no pp capability");
 193                 if (error)
 194                         *error = TDM_ERROR_NO_CAPABILITY;
 195                 return NULL;
 196         }
 197
 198         pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
 199         if (ret != TDM_ERROR_NONE) {
 200                 if (error)
 201                         *error = ret;
 202                 return NULL;
 203         }
 204
 205         private_pp = calloc(1, sizeof(tdm_private_pp));
 206         if (!private_pp) {
 207                 TDM_ERR("failed: alloc memory");
 208                 func_pp->pp_destroy(pp_backend);
 209                 if (error)
 210                         *error = TDM_ERROR_OUT_OF_MEMORY;
 211                 return NULL;
 212         }
 213
 214         ret = func_pp->pp_set_done_handler(pp_backend, tdm_pp_cb_done, private_pp);
 215         if (ret != TDM_ERROR_NONE) {
 216                 TDM_ERR("spp(%p) et pp_done_handler failed", private_pp);
 217                 func_pp->pp_destroy(pp_backend);
 218                 if (error)
 219                         *error = ret;
 220                 return NULL;
 221         }
 222
 223         private_pp->stamp = tdm_helper_get_time_in_millis();
 224         while (tdm_pp_find_stamp(private_display, private_pp->stamp))
 225                 private_pp->stamp++;
 226
 227         LIST_ADD(&private_pp->link, &private_display->pp_list);
 228         private_pp->private_display = private_display;
 229         private_pp->pp_backend = pp_backend;
 230         private_pp->owner_tid = syscall(SYS_gettid);
 231
 232         LIST_INITHEAD(&private_pp->pending_buffer_list);
 233         LIST_INITHEAD(&private_pp->buffer_list);
 234
 235         if (error)
 236                 *error = TDM_ERROR_NONE;
 237
 238         return private_pp;
 239 }
 240
 241 INTERN void
 242 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 243 {
 244         tdm_private_display *private_display;
 245         tdm_func_pp *func_pp;
 246         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 247
 248         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 249
 250         if (!private_pp)
 251                 return;
 252
 253         private_display = private_pp->private_display;
 254         func_pp = &private_display->func_pp;
 255
 256         LIST_DEL(&private_pp->link);
 257
 258         func_pp->pp_destroy(private_pp->pp_backend);
 259
 260         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 261                 TDM_WRN("pp(%p) not finished:", private_pp);
 262                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 263
 264                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 265                         LIST_DEL(&b->link);
 266                 }
 267         }
 268
 269         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 270                 TDM_WRN("pp(%p) not finished:", private_pp);
 271                 _tdm_pp_print_list(&private_pp->buffer_list);
 272
 273                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 274                         LIST_DEL(&b->link);
 275                         _pthread_mutex_unlock(&private_display->lock);
 276                         tdm_buffer_unref_backend(b->src);
 277                         tdm_buffer_unref_backend(b->dst);
 278                         _pthread_mutex_lock(&private_display->lock);
 279                 }
 280         }
 281
 282         private_pp->stamp = 0;
 283         free(private_pp);
 284 }
 285
 286 EXTERN void
 287 tdm_pp_destroy(tdm_pp *pp)
 288 {
 289         tdm_private_pp *private_pp = pp;
 290         tdm_private_display *private_display;
 291
 292         if (!private_pp)
 293                 return;
 294
 295         private_display = private_pp->private_display;
 296
 297         _pthread_mutex_lock(&private_display->lock);
 298         tdm_pp_destroy_internal(private_pp);
 299         _pthread_mutex_unlock(&private_display->lock);
 300 }
 301
 302 EXTERN tdm_error
 303 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 304 {
 305         PP_FUNC_ENTRY();
 306
 307         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 308
 309         _pthread_mutex_lock(&private_display->lock);
 310
 311         if (!func_pp->pp_set_info) {
 312                 _pthread_mutex_unlock(&private_display->lock);
 313                 TDM_DBG("failed: not implemented!!");
 314                 return TDM_ERROR_NOT_IMPLEMENTED;
 315         }
 316
 317         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)",
 318                          private_pp, info->src_config.size.h, info->src_config.size.v,
 319                          info->src_config.pos.x, info->src_config.pos.y,
 320                          info->src_config.pos.w, info->src_config.pos.h,
 321                          FOURCC_STR(info->src_config.format),
 322                          info->dst_config.size.h, info->dst_config.size.v,
 323                          info->dst_config.pos.x, info->dst_config.pos.y,
 324                          info->dst_config.pos.w, info->dst_config.pos.h,
 325                          FOURCC_STR(info->dst_config.format),
 326                          info->transform, info->sync, info->flags);
 327
 328         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 329         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 330
 331         _pthread_mutex_unlock(&private_display->lock);
 332
 333         return ret;
 334 }
 335
 336 EXTERN tdm_error
 337 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 338 {
 339         tdm_pp_private_buffer *pp_buffer;
 340
 341         PP_FUNC_ENTRY();
 342
 343         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 344         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 345
 346         _pthread_mutex_lock(&private_display->lock);
 347
 348         if (!func_pp->pp_attach) {
 349                 _pthread_mutex_unlock(&private_display->lock);
 350                 TDM_DBG("failed: not implemented!!");
 351                 return TDM_ERROR_NOT_IMPLEMENTED;
 352         }
 353
 354         if (tdm_display_check_module_abi(private_display, 1, 2) &&
 355                 private_display->caps_pp.max_attach_count > 0) {
 356                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 357                                          LIST_LENGTH(&private_pp->buffer_list);
 358                 if (length >= private_display->caps_pp.max_attach_count) {
 359                         _pthread_mutex_unlock(&private_display->lock);
 360                         TDM_DBG("failed: too many attached!! max_attach_count(%d)",
 361                                         private_display->caps_pp.max_attach_count);
 362                         return TDM_ERROR_BAD_REQUEST;
 363                 }
 364         }
 365
 366         pp_buffer = calloc(1, sizeof *pp_buffer);
 367         if (!pp_buffer) {
 368                 _pthread_mutex_unlock(&private_display->lock);
 369                 TDM_ERR("alloc failed");
 370                 return TDM_ERROR_OUT_OF_MEMORY;
 371         }
 372
 373         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 374         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 375
 376         if (ret != TDM_ERROR_NONE) {
 377                 free(pp_buffer);
 378                 _pthread_mutex_unlock(&private_display->lock);
 379                 TDM_ERR("attach failed");
 380                 return ret;
 381         }
 382
 383         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 384         pp_buffer->src = tdm_buffer_ref_backend(src);
 385         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 386
 387         if (tdm_debug_buffer) {
 388                 TDM_INFO("pp(%p) attached:", private_pp);
 389                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 390         }
 391
 392         _pthread_mutex_unlock(&private_display->lock);
 393
 394         return ret;
 395 }
 396
 397 EXTERN tdm_error
 398 tdm_pp_commit(tdm_pp *pp)
 399 {
 400         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 401         struct list_head commit_buffer_list;
 402
 403         PP_FUNC_ENTRY();
 404
 405         _pthread_mutex_lock(&private_display->lock);
 406
 407         if (!func_pp->pp_commit) {
 408                 _pthread_mutex_unlock(&private_display->lock);
 409                 TDM_DBG("failed: not implemented!!");
 410                 return TDM_ERROR_NOT_IMPLEMENTED;
 411         }
 412
 413         LIST_INITHEAD(&commit_buffer_list);
 414
 415         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 416                 LIST_DEL(&b->link);
 417                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 418                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 419         }
 420
 421         ret = func_pp->pp_commit(private_pp->pp_backend);
 422         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 423
 424         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 425                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 426                         continue;
 427
 428                 LIST_DEL(&b->commit_link);
 429
 430                 if (ret != TDM_ERROR_NONE) {
 431                         tdm_buffer_unref_backend(b->src);
 432                         tdm_buffer_unref_backend(b->dst);
 433                         LIST_DEL(&b->link);
 434                 }
 435         }
 436
 437         _pthread_mutex_unlock(&private_display->lock);
 438
 439         return ret;
 440 }