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 typedef struct _tdm_pp_private_buffer {
  46         tbm_surface_h src;
  47         tbm_surface_h dst;
  48         struct list_head link;
  49         struct list_head commit_link;
  50 } tdm_pp_private_buffer;
  51
  52 #define PP_FUNC_ENTRY() \
  53         tdm_func_pp *func_pp; \
  54         tdm_private_display *private_display; \
  55         tdm_private_pp *private_pp; \
  56         tdm_error ret = TDM_ERROR_NONE; \
  57         TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER); \
  58         private_pp = (tdm_private_pp*)pp; \
  59         private_display = private_pp->private_display; \
  60         func_pp = &private_display->func_pp
  61
  62 static void
  63 _tdm_pp_print_list(struct list_head *list)
  64 {
  65         tdm_pp_private_buffer *b = NULL;
  66         char str[512], *p;
  67         int len = sizeof(str);
  68
  69         TDM_RETURN_IF_FAIL(list != NULL);
  70
  71         p = str;
  72         LIST_FOR_EACH_ENTRY(b, list, link) {
  73                 if (len > 0) {
  74                         int l = snprintf(p, len, " (%p,%p)", b->src, b->dst);
  75                         p += l;
  76                         len -= l;
  77                 } else
  78                         break;
  79         }
  80
  81         TDM_INFO("\t %s", str);
  82 }
  83
  84 static tdm_pp_private_buffer *
  85 _tdm_pp_find_tbm_buffers(struct list_head *list, tbm_surface_h src, tbm_surface_h dst)
  86 {
  87         tdm_pp_private_buffer *b = NULL, *bb = NULL;
  88
  89         LIST_FOR_EACH_ENTRY_SAFE(b, bb, list, link) {
  90                 if (b->src == src && b->dst == dst)
  91                         return b;
  92         }
  93
  94         return NULL;
  95 }
  96
  97 static tdm_pp_private_buffer *
  98 _tdm_pp_find_buffer(struct list_head *list, tdm_pp_private_buffer *pp_buffer)
  99 {
 100         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 101
 102         LIST_FOR_EACH_ENTRY_SAFE(b, bb, list, link) {
 103                 if (b == pp_buffer)
 104                         return b;
 105         }
 106
 107         return NULL;
 108 }
 109
 110 INTERN void
 111 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 112                            void *user_data)
 113 {
 114         tdm_private_pp *private_pp = user_data;
 115         tdm_private_display *private_display = private_pp->private_display;
 116         tdm_pp_private_buffer *pp_buffer = NULL, *first_entry = NULL;
 117
 118         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 119
 120         if (private_pp->owner_tid != syscall(SYS_gettid)) {
 121                 tdm_thread_cb_pp_done pp_done;
 122                 tdm_error ret;
 123
 124                 pp_done.base.type = TDM_THREAD_CB_PP_DONE;
 125                 pp_done.base.length = sizeof pp_done;
 126                 pp_done.pp_stamp = private_pp->stamp;
 127                 pp_done.src = src;
 128                 pp_done.dst = dst;
 129                 pp_done.user_data = user_data;
 130
 131                 ret = tdm_thread_send_cb(private_display->private_loop, &pp_done.base);
 132                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 133
 134                 return;
 135         }
 136
 137         if (private_pp->owner_tid != syscall(SYS_gettid))
 138                 TDM_NEVER_GET_HERE();
 139
 140         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 141                 char str[TDM_PATH_LEN];
 142                 static int i;
 143                 snprintf(str, TDM_PATH_LEN, "pp_dst_%03d", i++);
 144                 tdm_helper_dump_buffer_str(dst, str);
 145         }
 146
 147         if (tdm_debug_module & TDM_DEBUG_BUFFER)
 148                 TDM_INFO("pp(%p) done: src(%p) dst(%p)", private_pp, src, dst);
 149
 150         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 151                 first_entry = container_of((&private_pp->buffer_list)->next, pp_buffer, link);
 152                 if (first_entry->src != src || first_entry->dst != dst)
 153                         TDM_ERR("buffer(%p,%p) is skipped", first_entry->src, first_entry->dst);
 154         } else {
 155                 TDM_NEVER_GET_HERE();
 156         }
 157
 158         if ((pp_buffer = _tdm_pp_find_tbm_buffers(&private_pp->buffer_list, src, dst))) {
 159                 LIST_DEL(&pp_buffer->link);
 160
 161                 _pthread_mutex_unlock(&private_display->lock);
 162                 tdm_buffer_unref_backend(src);
 163                 tdm_buffer_unref_backend(dst);
 164                 _pthread_mutex_lock(&private_display->lock);
 165
 166                 free(pp_buffer);
 167         }
 168 }
 169
 170 INTERN tdm_private_pp *
 171 tdm_pp_find_stamp(tdm_private_display *private_display, unsigned long stamp)
 172 {
 173         tdm_private_pp *private_pp = NULL;
 174
 175         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 176
 177         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 178                 if (private_pp->stamp == stamp)
 179                         return private_pp;
 180         }
 181
 182         return NULL;
 183 }
 184
 185 INTERN tdm_private_pp *
 186 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
 187 {
 188         tdm_func_display *func_display;
 189         tdm_func_pp *func_pp;
 190         tdm_private_pp *private_pp = NULL;
 191         tdm_pp *pp_backend = NULL;
 192         tdm_error ret = TDM_ERROR_NONE;
 193
 194         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 195
 196         func_display = &private_display->func_display;
 197         func_pp = &private_display->func_pp;
 198
 199         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
 200                 TDM_ERR("no pp capability");
 201                 if (error)
 202                         *error = TDM_ERROR_NO_CAPABILITY;
 203                 return NULL;
 204         }
 205
 206         pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
 207         if (ret != TDM_ERROR_NONE) {
 208                 if (error)
 209                         *error = ret;
 210                 return NULL;
 211         }
 212
 213         private_pp = calloc(1, sizeof(tdm_private_pp));
 214         if (!private_pp) {
 215                 TDM_ERR("failed: alloc memory");
 216                 func_pp->pp_destroy(pp_backend);
 217                 if (error)
 218                         *error = TDM_ERROR_OUT_OF_MEMORY;
 219                 return NULL;
 220         }
 221
 222         ret = func_pp->pp_set_done_handler(pp_backend, tdm_pp_cb_done, private_pp);
 223         if (ret != TDM_ERROR_NONE) {
 224                 TDM_ERR("spp(%p) et pp_done_handler failed", private_pp);
 225                 func_pp->pp_destroy(pp_backend);
 226                 if (error)
 227                         *error = ret;
 228                 return NULL;
 229         }
 230
 231         private_pp->stamp = tdm_helper_get_time_in_millis();
 232         while (tdm_pp_find_stamp(private_display, private_pp->stamp))
 233                 private_pp->stamp++;
 234
 235         LIST_ADD(&private_pp->link, &private_display->pp_list);
 236         private_pp->private_display = private_display;
 237         private_pp->pp_backend = pp_backend;
 238         private_pp->owner_tid = syscall(SYS_gettid);
 239
 240         LIST_INITHEAD(&private_pp->pending_buffer_list);
 241         LIST_INITHEAD(&private_pp->buffer_list);
 242
 243         if (error)
 244                 *error = TDM_ERROR_NONE;
 245
 246         return private_pp;
 247 }
 248
 249 INTERN void
 250 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 251 {
 252         tdm_private_display *private_display;
 253         tdm_func_pp *func_pp;
 254         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 255
 256         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 257
 258         if (!private_pp)
 259                 return;
 260
 261         private_display = private_pp->private_display;
 262         func_pp = &private_display->func_pp;
 263
 264         LIST_DEL(&private_pp->link);
 265
 266         func_pp->pp_destroy(private_pp->pp_backend);
 267
 268         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 269                 TDM_WRN("pp(%p) not finished:", private_pp);
 270                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 271
 272                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 273                         LIST_DEL(&b->link);
 274                 }
 275         }
 276
 277         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 278                 TDM_WRN("pp(%p) not finished:", private_pp);
 279                 _tdm_pp_print_list(&private_pp->buffer_list);
 280
 281                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 282                         LIST_DEL(&b->link);
 283                         _pthread_mutex_unlock(&private_display->lock);
 284                         tdm_buffer_unref_backend(b->src);
 285                         tdm_buffer_unref_backend(b->dst);
 286                         _pthread_mutex_lock(&private_display->lock);
 287                 }
 288         }
 289
 290         private_pp->stamp = 0;
 291         free(private_pp);
 292 }
 293
 294 EXTERN void
 295 tdm_pp_destroy(tdm_pp *pp)
 296 {
 297         tdm_private_pp *private_pp = pp;
 298         tdm_private_display *private_display;
 299
 300         if (!private_pp)
 301                 return;
 302
 303         private_display = private_pp->private_display;
 304
 305         _pthread_mutex_lock(&private_display->lock);
 306         tdm_pp_destroy_internal(private_pp);
 307         _pthread_mutex_unlock(&private_display->lock);
 308 }
 309
 310 EXTERN tdm_error
 311 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 312 {
 313         PP_FUNC_ENTRY();
 314
 315         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 316
 317         _pthread_mutex_lock(&private_display->lock);
 318
 319         if (!func_pp->pp_set_info) {
 320                 _pthread_mutex_unlock(&private_display->lock);
 321                 TDM_DBG("failed: not implemented!!");
 322                 return TDM_ERROR_NOT_IMPLEMENTED;
 323         }
 324
 325         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)",
 326                          private_pp, info->src_config.size.h, info->src_config.size.v,
 327                          info->src_config.pos.x, info->src_config.pos.y,
 328                          info->src_config.pos.w, info->src_config.pos.h,
 329                          FOURCC_STR(info->src_config.format),
 330                          info->dst_config.size.h, info->dst_config.size.v,
 331                          info->dst_config.pos.x, info->dst_config.pos.y,
 332                          info->dst_config.pos.w, info->dst_config.pos.h,
 333                          FOURCC_STR(info->dst_config.format),
 334                          info->transform, info->sync, info->flags);
 335
 336         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 337         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 338
 339         _pthread_mutex_unlock(&private_display->lock);
 340
 341         return ret;
 342 }
 343
 344 EXTERN tdm_error
 345 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 346 {
 347         tdm_pp_private_buffer *pp_buffer;
 348
 349         PP_FUNC_ENTRY();
 350
 351         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 352         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 353
 354         _pthread_mutex_lock(&private_display->lock);
 355
 356         if (!func_pp->pp_attach) {
 357                 _pthread_mutex_unlock(&private_display->lock);
 358                 TDM_DBG("failed: not implemented!!");
 359                 return TDM_ERROR_NOT_IMPLEMENTED;
 360         }
 361
 362         if (tdm_display_check_module_abi(private_display, 1, 2) &&
 363                 private_display->caps_pp.max_attach_count > 0) {
 364                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 365                                          LIST_LENGTH(&private_pp->buffer_list);
 366                 if (length >= private_display->caps_pp.max_attach_count) {
 367                         _pthread_mutex_unlock(&private_display->lock);
 368                         TDM_DBG("failed: too many attached!! max_attach_count(%d)",
 369                                         private_display->caps_pp.max_attach_count);
 370                         return TDM_ERROR_BAD_REQUEST;
 371                 }
 372         }
 373
 374         if (tdm_debug_dump & TDM_DUMP_FLAG_PP) {
 375                 char str[TDM_PATH_LEN];
 376                 static int i;
 377                 snprintf(str, TDM_PATH_LEN, "pp_src_%03d", i++);
 378                 tdm_helper_dump_buffer_str(src, str);
 379         }
 380
 381         pp_buffer = calloc(1, sizeof *pp_buffer);
 382         if (!pp_buffer) {
 383                 _pthread_mutex_unlock(&private_display->lock);
 384                 TDM_ERR("alloc failed");
 385                 return TDM_ERROR_OUT_OF_MEMORY;
 386         }
 387
 388         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 389         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 390
 391         if (ret != TDM_ERROR_NONE) {
 392                 free(pp_buffer);
 393                 _pthread_mutex_unlock(&private_display->lock);
 394                 TDM_ERR("attach failed");
 395                 return ret;
 396         }
 397
 398         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 399         pp_buffer->src = tdm_buffer_ref_backend(src);
 400         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 401
 402         if (tdm_debug_module & TDM_DEBUG_BUFFER) {
 403                 TDM_INFO("pp(%p) attached:", private_pp);
 404                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 405         }
 406
 407         _pthread_mutex_unlock(&private_display->lock);
 408
 409         return ret;
 410 }
 411
 412 EXTERN tdm_error
 413 tdm_pp_commit(tdm_pp *pp)
 414 {
 415         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 416         struct list_head commit_buffer_list;
 417
 418         PP_FUNC_ENTRY();
 419
 420         _pthread_mutex_lock(&private_display->lock);
 421
 422         if (!func_pp->pp_commit) {
 423                 _pthread_mutex_unlock(&private_display->lock);
 424                 TDM_DBG("failed: not implemented!!");
 425                 return TDM_ERROR_NOT_IMPLEMENTED;
 426         }
 427
 428         LIST_INITHEAD(&commit_buffer_list);
 429
 430         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 431                 LIST_DEL(&b->link);
 432                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 433                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 434         }
 435
 436         ret = func_pp->pp_commit(private_pp->pp_backend);
 437         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 438
 439         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 440                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 441                         continue;
 442
 443                 LIST_DEL(&b->commit_link);
 444
 445                 if (ret != TDM_ERROR_NONE) {
 446                         tdm_buffer_unref_backend(b->src);
 447                         tdm_buffer_unref_backend(b->dst);
 448                         LIST_DEL(&b->link);
 449                 }
 450         }
 451
 452         _pthread_mutex_unlock(&private_display->lock);
 453
 454         return ret;
 455 }