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         first_entry = container_of((&private_pp->buffer_list)->next, pp_buffer, link);
 143         if (first_entry->src != src || first_entry->dst != dst)
 144                 TDM_ERR("buffer(%p,%p) is skipped", first_entry->src, first_entry->dst);
 145
 146         if ((pp_buffer = _tdm_pp_find_tbm_buffers(&private_pp->buffer_list, src, dst))) {
 147                 LIST_DEL(&pp_buffer->link);
 148
 149                 _pthread_mutex_unlock(&private_display->lock);
 150                 tdm_buffer_unref_backend(src);
 151                 tdm_buffer_unref_backend(dst);
 152                 _pthread_mutex_lock(&private_display->lock);
 153
 154                 free(pp_buffer);
 155         }
 156 }
 157
 158 INTERN tdm_private_pp *
 159 tdm_pp_find_stamp(tdm_private_display *private_display, unsigned long stamp)
 160 {
 161         tdm_private_pp *private_pp = NULL;
 162
 163         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 164
 165         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 166                 if (private_pp->stamp == stamp)
 167                         return private_pp;
 168         }
 169
 170         return NULL;
 171 }
 172
 173 INTERN tdm_private_pp *
 174 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
 175 {
 176         tdm_func_display *func_display;
 177         tdm_func_pp *func_pp;
 178         tdm_private_pp *private_pp = NULL;
 179         tdm_pp *pp_backend = NULL;
 180         tdm_error ret = TDM_ERROR_NONE;
 181
 182         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), NULL);
 183
 184         func_display = &private_display->func_display;
 185         func_pp = &private_display->func_pp;
 186
 187         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
 188                 TDM_ERR("no pp capability");
 189                 if (error)
 190                         *error = TDM_ERROR_NO_CAPABILITY;
 191                 return NULL;
 192         }
 193
 194         pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
 195         if (ret != TDM_ERROR_NONE) {
 196                 if (error)
 197                         *error = ret;
 198                 return NULL;
 199         }
 200
 201         private_pp = calloc(1, sizeof(tdm_private_pp));
 202         if (!private_pp) {
 203                 TDM_ERR("failed: alloc memory");
 204                 func_pp->pp_destroy(pp_backend);
 205                 if (error)
 206                         *error = TDM_ERROR_OUT_OF_MEMORY;
 207                 return NULL;
 208         }
 209
 210         ret = func_pp->pp_set_done_handler(pp_backend, tdm_pp_cb_done, private_pp);
 211         if (ret != TDM_ERROR_NONE) {
 212                 TDM_ERR("spp(%p) et pp_done_handler failed", private_pp);
 213                 func_pp->pp_destroy(pp_backend);
 214                 if (error)
 215                         *error = ret;
 216                 return NULL;
 217         }
 218
 219         private_pp->stamp = tdm_helper_get_time_in_millis();
 220         while (tdm_pp_find_stamp(private_display, private_pp->stamp))
 221                 private_pp->stamp++;
 222
 223         LIST_ADD(&private_pp->link, &private_display->pp_list);
 224         private_pp->private_display = private_display;
 225         private_pp->pp_backend = pp_backend;
 226         private_pp->owner_tid = syscall(SYS_gettid);
 227
 228         LIST_INITHEAD(&private_pp->pending_buffer_list);
 229         LIST_INITHEAD(&private_pp->buffer_list);
 230
 231         if (error)
 232                 *error = TDM_ERROR_NONE;
 233
 234         return private_pp;
 235 }
 236
 237 INTERN void
 238 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 239 {
 240         tdm_private_display *private_display;
 241         tdm_func_pp *func_pp;
 242         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 243
 244         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 245
 246         if (!private_pp)
 247                 return;
 248
 249         private_display = private_pp->private_display;
 250         func_pp = &private_display->func_pp;
 251
 252         LIST_DEL(&private_pp->link);
 253
 254         func_pp->pp_destroy(private_pp->pp_backend);
 255
 256         if (!LIST_IS_EMPTY(&private_pp->pending_buffer_list)) {
 257                 TDM_WRN("pp(%p) not finished:", private_pp);
 258                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 259
 260                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 261                         LIST_DEL(&b->link);
 262                 }
 263         }
 264
 265         if (!LIST_IS_EMPTY(&private_pp->buffer_list)) {
 266                 TDM_WRN("pp(%p) not finished:", private_pp);
 267                 _tdm_pp_print_list(&private_pp->buffer_list);
 268
 269                 LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->buffer_list, link) {
 270                         LIST_DEL(&b->link);
 271                         _pthread_mutex_unlock(&private_display->lock);
 272                         tdm_buffer_unref_backend(b->src);
 273                         tdm_buffer_unref_backend(b->dst);
 274                         _pthread_mutex_lock(&private_display->lock);
 275                 }
 276         }
 277
 278         private_pp->stamp = 0;
 279         free(private_pp);
 280 }
 281
 282 EXTERN void
 283 tdm_pp_destroy(tdm_pp *pp)
 284 {
 285         tdm_private_pp *private_pp = pp;
 286         tdm_private_display *private_display;
 287
 288         if (!private_pp)
 289                 return;
 290
 291         private_display = private_pp->private_display;
 292
 293         _pthread_mutex_lock(&private_display->lock);
 294         tdm_pp_destroy_internal(private_pp);
 295         _pthread_mutex_unlock(&private_display->lock);
 296 }
 297
 298 EXTERN tdm_error
 299 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 300 {
 301         PP_FUNC_ENTRY();
 302
 303         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 304
 305         _pthread_mutex_lock(&private_display->lock);
 306
 307         if (!func_pp->pp_set_info) {
 308                 _pthread_mutex_unlock(&private_display->lock);
 309                 TDM_DBG("failed: not implemented!!");
 310                 return TDM_ERROR_NOT_IMPLEMENTED;
 311         }
 312
 313         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)",
 314                          private_pp, info->src_config.size.h, info->src_config.size.v,
 315                          info->src_config.pos.x, info->src_config.pos.y,
 316                          info->src_config.pos.w, info->src_config.pos.h,
 317                          FOURCC_STR(info->src_config.format),
 318                          info->dst_config.size.h, info->dst_config.size.v,
 319                          info->dst_config.pos.x, info->dst_config.pos.y,
 320                          info->dst_config.pos.w, info->dst_config.pos.h,
 321                          FOURCC_STR(info->dst_config.format),
 322                          info->transform, info->sync, info->flags);
 323
 324         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 325         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 326
 327         _pthread_mutex_unlock(&private_display->lock);
 328
 329         return ret;
 330 }
 331
 332 EXTERN tdm_error
 333 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 334 {
 335         tdm_pp_private_buffer *pp_buffer;
 336
 337         PP_FUNC_ENTRY();
 338
 339         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 340         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 341
 342         _pthread_mutex_lock(&private_display->lock);
 343
 344         if (!func_pp->pp_attach) {
 345                 _pthread_mutex_unlock(&private_display->lock);
 346                 TDM_DBG("failed: not implemented!!");
 347                 return TDM_ERROR_NOT_IMPLEMENTED;
 348         }
 349
 350         if (tdm_display_check_module_abi(private_display, 1, 2) &&
 351                 private_display->caps_pp.max_attach_count > 0) {
 352                 int length = LIST_LENGTH(&private_pp->pending_buffer_list) +
 353                                          LIST_LENGTH(&private_pp->buffer_list);
 354                 if (length >= private_display->caps_pp.max_attach_count) {
 355                         _pthread_mutex_unlock(&private_display->lock);
 356                         TDM_DBG("failed: too many attached!! max_attach_count(%d)",
 357                                         private_display->caps_pp.max_attach_count);
 358                         return TDM_ERROR_BAD_REQUEST;
 359                 }
 360         }
 361
 362         pp_buffer = calloc(1, sizeof *pp_buffer);
 363         if (!pp_buffer) {
 364                 _pthread_mutex_unlock(&private_display->lock);
 365                 TDM_ERR("alloc failed");
 366                 return TDM_ERROR_OUT_OF_MEMORY;
 367         }
 368
 369         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 370         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 371
 372         if (ret != TDM_ERROR_NONE) {
 373                 free(pp_buffer);
 374                 _pthread_mutex_unlock(&private_display->lock);
 375                 TDM_ERR("attach failed");
 376                 return ret;
 377         }
 378
 379         LIST_ADDTAIL(&pp_buffer->link, &private_pp->pending_buffer_list);
 380         pp_buffer->src = tdm_buffer_ref_backend(src);
 381         pp_buffer->dst = tdm_buffer_ref_backend(dst);
 382
 383         if (tdm_debug_buffer) {
 384                 TDM_INFO("pp(%p) attached:", private_pp);
 385                 _tdm_pp_print_list(&private_pp->pending_buffer_list);
 386         }
 387
 388         _pthread_mutex_unlock(&private_display->lock);
 389
 390         return ret;
 391 }
 392
 393 EXTERN tdm_error
 394 tdm_pp_commit(tdm_pp *pp)
 395 {
 396         tdm_pp_private_buffer *b = NULL, *bb = NULL;
 397         struct list_head commit_buffer_list;
 398
 399         PP_FUNC_ENTRY();
 400
 401         _pthread_mutex_lock(&private_display->lock);
 402
 403         if (!func_pp->pp_commit) {
 404                 _pthread_mutex_unlock(&private_display->lock);
 405                 TDM_DBG("failed: not implemented!!");
 406                 return TDM_ERROR_NOT_IMPLEMENTED;
 407         }
 408
 409         LIST_INITHEAD(&commit_buffer_list);
 410
 411         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &private_pp->pending_buffer_list, link) {
 412                 LIST_DEL(&b->link);
 413                 LIST_ADDTAIL(&b->link, &private_pp->buffer_list);
 414                 LIST_ADDTAIL(&b->commit_link, &commit_buffer_list);
 415         }
 416
 417         ret = func_pp->pp_commit(private_pp->pp_backend);
 418         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 419
 420         LIST_FOR_EACH_ENTRY_SAFE(b, bb, &commit_buffer_list, commit_link) {
 421                 if (!_tdm_pp_find_buffer(&private_pp->buffer_list, b))
 422                         continue;
 423
 424                 LIST_DEL(&b->commit_link);
 425
 426                 if (ret != TDM_ERROR_NONE) {
 427                         tdm_buffer_unref_backend(b->src);
 428                         tdm_buffer_unref_backend(b->dst);
 429                         LIST_DEL(&b->link);
 430                 }
 431         }
 432
 433         _pthread_mutex_unlock(&private_display->lock);
 434
 435         return ret;
 436 }