src/tdm_hwc.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2018 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: SooChan Lim <sc1.lim@samsung.com>,
   8  *          Boram Park <boram1288.park@samsung.com>,
   9  *          Changyeon Lee <cyeon.lee@samsung.com>,
  10  *          Sangjin Lee <lsj119@samsung.com>
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a
  13  * copy of this software and associated documentation files (the
  14  * "Software"), to deal in the Software without restriction, including
  15  * without limitation the rights to use, copy, modify, merge, publish,
  16  * distribute, sub license, and/or sell copies of the Software, and to
  17  * permit persons to whom the Software is furnished to do so, subject to
  18  * the following conditions:
  19  *
  20  * The above copyright notice and this permission notice (including the
  21  * next paragraph) shall be included in all copies or substantial portions
  22  * of the Software.
  23  *
  24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  25  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  27  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  28  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  29  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  30  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31  *
  32 **************************************************************************/
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include "config.h"
  36 #endif
  37
  38 #include "tdm_private.h"
  39
  40 #define HWC_FUNC_ENTRY() \
  41         tdm_private_display *private_display; \
  42         tdm_private_output *private_output; \
  43         tdm_private_hwc *private_hwc; \
  44         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  45         TDM_RETURN_VAL_IF_FAIL(hwc != NULL, TDM_ERROR_INVALID_PARAMETER); \
  46         private_hwc = (tdm_private_hwc*)hwc; \
  47         private_output = private_hwc->private_output; \
  48         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER); \
  49         private_display = private_output->private_display
  50
  51 #define HWC_FUNC_ENTRY_ERROR() \
  52         tdm_private_display *private_display; \
  53         tdm_private_output *private_output; \
  54         tdm_private_hwc *private_hwc; \
  55         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  56         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(hwc != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  57         private_hwc = (tdm_private_hwc*)hwc; \
  58         private_output = private_hwc->private_output; \
  59         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(private_output != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  60         private_display = private_output->private_display
  61
  62 #define HWC_FUNC_ENTRY_VOID_RETURN() \
  63         tdm_private_display *private_display; \
  64         tdm_private_output *private_output; \
  65         tdm_private_hwc *private_hwc; \
  66         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  67         TDM_RETURN_IF_FAIL(hwc != NULL); \
  68         private_hwc = (tdm_private_hwc*)hwc; \
  69         private_output = private_hwc->private_output; \
  70         TDM_RETURN_IF_FAIL(private_output != NULL); \
  71         private_display = private_output->private_display
  72
  73 static int hwc_use_vblank;
  74 static unsigned int hwc_vblank_fps;
  75
  76 static tdm_private_hwc_window *
  77 _tdm_hwc_find_private_hwc_window(tdm_private_hwc *private_hwc, tdm_hwc_window *hwc_window_backend)
  78 {
  79         tdm_private_hwc_window *private_hwc_window = NULL;
  80
  81         LIST_FOR_EACH_ENTRY(private_hwc_window, &private_hwc->hwc_window_list, link) {
  82                 if (private_hwc_window->hwc_window_backend == hwc_window_backend)
  83                         return private_hwc_window;
  84         }
  85
  86         return NULL;
  87 }
  88
  89 static tdm_error
  90 _tdm_hwc_check_hwc_commit_handler_validation(tdm_private_hwc *private_hwc, tdm_private_hwc_commit_handler *hwc_commit_handler)
  91 {
  92         tdm_private_hwc_commit_handler *commit_handler = NULL;
  93
  94         if (LIST_IS_EMPTY(&private_hwc->hwc_commit_handler_list))
  95                 return TDM_ERROR_INVALID_PARAMETER;
  96
  97         LIST_FOR_EACH_ENTRY(commit_handler, &private_hwc->hwc_commit_handler_list, link) {
  98                 if (commit_handler == hwc_commit_handler)
  99                         return TDM_ERROR_NONE;
 100         }
 101
 102         return TDM_ERROR_INVALID_PARAMETER;
 103 }
 104
 105 static void
 106 _tdm_hwc_thread_cb_commit(tdm_private_display *private_display, void *object,
 107                                 tdm_thread_cb_base *cb_base, void *user_data)
 108 {
 109         tdm_thread_cb_hwc_commit *hwc_commit = (tdm_thread_cb_hwc_commit *)cb_base;
 110         tdm_private_hwc_commit_handler *hwc_commit_handler = hwc_commit->base.data;
 111         tdm_private_hwc *private_hwc = object;
 112
 113         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 114
 115         if (!hwc_commit_handler)
 116                 return;
 117
 118         assert(hwc_commit_handler->owner_tid == syscall(SYS_gettid));
 119
 120         tdm_thread_cb_remove(private_hwc, TDM_THREAD_CB_HWC_COMMIT, hwc_commit_handler,
 121                                         _tdm_hwc_thread_cb_commit, NULL);
 122
 123         TDM_RETURN_IF_FAIL(_tdm_hwc_check_hwc_commit_handler_validation(private_hwc, hwc_commit_handler) == TDM_ERROR_NONE)
 124
 125         LIST_DEL(&hwc_commit_handler->link);
 126
 127         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 128                 TDM_INFO("----------------------------------------- hwc(%d) committed", private_hwc->index);
 129                 TDM_INFO("handler(%p)", hwc_commit_handler);
 130         }
 131
 132         /* LCOV_EXCL_START */
 133         if (private_display->print_fps) {
 134                 double curr = tdm_helper_get_time();
 135                 if (private_hwc->fps_stamp == 0) {
 136                         private_hwc->fps_stamp = curr;
 137                 } else if ((curr - private_hwc->fps_stamp) > 1.0) {
 138                         TDM_INFO("hwc(%p,%d) fps: %d",
 139                                          private_hwc, private_hwc->index, private_hwc->fps_count);
 140                         private_hwc->fps_count = 0;
 141                         private_hwc->fps_stamp = curr;
 142                 } else
 143                         private_hwc->fps_count++;
 144         } else if (private_hwc->fps_stamp != 0) {
 145                 private_hwc->fps_stamp = 0;
 146                 private_hwc->fps_count = 0;
 147         }
 148         /* LCOV_EXCL_STOP */
 149
 150         if (hwc_commit_handler->func) {
 151                 _pthread_mutex_unlock(&private_display->lock);
 152                 hwc_commit_handler->func(private_hwc,
 153                                                                         hwc_commit->sequence,
 154                                                                         hwc_commit->tv_sec,
 155                                                                         hwc_commit->tv_usec,
 156                                                                         hwc_commit_handler->user_data);
 157                 _pthread_mutex_lock(&private_display->lock);
 158         }
 159
 160         free(hwc_commit_handler);
 161
 162         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 163                 TDM_INFO("-----------------------------------------...");
 164 }
 165
 166 static void
 167 _tdm_hwc_cb_commit(tdm_hwc *hwc_backend, unsigned int sequence,
 168                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 169 {
 170         tdm_private_hwc_commit_handler *hwc_commit_handler = user_data;
 171         tdm_private_hwc *private_hwc;
 172         tdm_thread_cb_hwc_commit hwc_commit;
 173         tdm_error ret;
 174
 175         if (hwc_commit_handler && hwc_commit_handler->use_vblank)
 176                 return;
 177
 178         if (hwc_commit_handler)
 179                 private_hwc = hwc_commit_handler->private_hwc;
 180         else
 181                 private_hwc = tdm_display_find_private_hwc(tdm_display_get(), hwc_backend);
 182
 183         memset(&hwc_commit, 0, sizeof hwc_commit);
 184         hwc_commit.base.type = TDM_THREAD_CB_HWC_COMMIT;
 185         hwc_commit.base.length = sizeof hwc_commit;
 186         hwc_commit.base.object_stamp = private_hwc->stamp;
 187         hwc_commit.base.data = hwc_commit_handler;
 188         hwc_commit.base.sync = 0;
 189         hwc_commit.sequence = sequence;
 190         hwc_commit.tv_sec = tv_sec;
 191         hwc_commit.tv_usec = tv_usec;
 192
 193         ret = tdm_thread_cb_call(private_hwc, &hwc_commit.base, 1);
 194         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 195 }
 196
 197 static void
 198 _tdm_hwc_got_wait_vblank(unsigned int sequence,
 199                                                  unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 200 {
 201         tdm_private_hwc_commit_handler *hwc_commit_handler = user_data;
 202         tdm_private_hwc *private_hwc;
 203         tdm_thread_cb_hwc_commit hwc_commit;
 204
 205         private_hwc = hwc_commit_handler->private_hwc;
 206         private_hwc->private_output->layer_waiting_vblank = 0;
 207
 208         memset(&hwc_commit, 0, sizeof hwc_commit);
 209         hwc_commit.base.type = TDM_THREAD_CB_HWC_COMMIT;
 210         hwc_commit.base.length = sizeof hwc_commit;
 211         hwc_commit.base.object_stamp = private_hwc->stamp;
 212         hwc_commit.base.data = hwc_commit_handler;
 213         hwc_commit.base.sync = 0;
 214         hwc_commit.sequence = sequence;
 215         hwc_commit.tv_sec = tv_sec;
 216         hwc_commit.tv_usec = tv_usec;
 217
 218         _tdm_hwc_thread_cb_commit(private_hwc->private_output->private_display, private_hwc, &hwc_commit.base, user_data);
 219 }
 220
 221 static void
 222 _tdm_hwc_cb_wait_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 223                                                 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 224 {
 225         tdm_private_hwc_commit_handler *hwc_commit_handler = user_data;
 226         tdm_private_output *private_output = NULL;
 227         tdm_private_display *private_display;
 228
 229         if (!hwc_commit_handler->use_vblank)
 230                 return;
 231
 232         TDM_RETURN_IF_FAIL(hwc_commit_handler != NULL);
 233         TDM_RETURN_IF_FAIL(hwc_commit_handler->private_hwc != NULL);
 234
 235         private_output = hwc_commit_handler->private_hwc->private_output;
 236         TDM_RETURN_IF_FAIL(private_output != NULL);
 237
 238         private_display = private_output->private_display;
 239
 240         _pthread_mutex_lock(&private_display->lock);
 241
 242         _tdm_hwc_got_wait_vblank(sequence, tv_sec, tv_usec, user_data);
 243
 244         _pthread_mutex_unlock(&private_display->lock);
 245 }
 246
 247 static tdm_error
 248 _tdm_hwc_vblank(tdm_private_hwc *private_hwc, tdm_private_hwc_commit_handler *hwc_commit_handler)
 249 {
 250         tdm_private_display *private_display;
 251         tdm_private_output *private_output;
 252         tdm_error ret = TDM_ERROR_NONE;
 253
 254         private_output = private_hwc->private_output;
 255         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
 256         private_display = private_output->private_display;
 257
 258         if (!private_output->vblank) {
 259                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 260                 _pthread_mutex_unlock(&private_display->lock);
 261                 private_output->vblank = tdm_vblank_create(private_display, private_output, NULL);
 262                 _pthread_mutex_lock(&private_display->lock);
 263                 TDM_RETURN_VAL_IF_FAIL(private_output->vblank != NULL, TDM_ERROR_OPERATION_FAILED);
 264         }
 265
 266         if (!private_output->layer_waiting_vblank) {
 267                 ret = tdm_vblank_set_fps(private_output->vblank, hwc_vblank_fps);
 268                 if (ret != TDM_ERROR_NONE)
 269                         goto done;
 270
 271                 hwc_commit_handler->use_vblank = 1;
 272                 private_output->layer_waiting_vblank = 1;
 273
 274                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 275                 _pthread_mutex_unlock(&private_display->lock);
 276                 ret = tdm_vblank_wait(private_output->vblank, 0, 0, 1, _tdm_hwc_cb_wait_vblank, hwc_commit_handler);
 277                 _pthread_mutex_lock(&private_display->lock);
 278                 if (ret != TDM_ERROR_NONE) {
 279                         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 280                                 hwc_commit_handler->use_vblank = 0;
 281                                 private_output->layer_waiting_vblank = 0;
 282                         }
 283                 }
 284         }
 285
 286 done:
 287         return ret;
 288 }
 289
 290 INTERN tdm_error
 291 tdm_hwc_init(tdm_private_display *private_display)
 292 {
 293         tdm_thread_cb_set_find_func(TDM_THREAD_CB_HWC_COMMIT, tdm_display_find_hwc_stamp);
 294
 295         return TDM_ERROR_NONE;
 296 }
 297
 298 INTERN void
 299 tdm_hwc_set_vblank(unsigned int fps)
 300 {
 301         hwc_use_vblank = 1;
 302         hwc_vblank_fps = fps;
 303 }
 304
 305 INTERN void
 306 tdm_hwc_unset_vblank(void)
 307 {
 308         hwc_use_vblank = 0;
 309         hwc_vblank_fps = 0;
 310 }
 311
 312 EXTERN tdm_hwc_window *
 313 tdm_hwc_create_window(tdm_hwc *hwc, tdm_error *error)
 314 {
 315         tdm_hwc_window *hwc_window = NULL;
 316
 317         HWC_FUNC_ENTRY_ERROR();
 318
 319         _pthread_mutex_lock(&private_display->lock);
 320
 321         hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_hwc, error);
 322
 323         _pthread_mutex_unlock(&private_display->lock);
 324
 325         return hwc_window;
 326 }
 327
 328 EXTERN tdm_error
 329 tdm_hwc_get_video_supported_formats(tdm_hwc *hwc, const tbm_format **formats, int *count)
 330 {
 331         tdm_private_module *private_module;
 332         tdm_func_hwc *func_hwc;
 333
 334         HWC_FUNC_ENTRY();
 335
 336         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
 337         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 338
 339         _pthread_mutex_lock(&private_display->lock);
 340
 341         private_module = private_output->private_module;
 342         func_hwc = &private_module->func_hwc;
 343
 344         if (!func_hwc->hwc_get_video_supported_formats) {
 345                 /* LCOV_EXCL_START */
 346                 _pthread_mutex_unlock(&private_display->lock);
 347                 TDM_WRN("not implemented!!");
 348                 return TDM_ERROR_NOT_IMPLEMENTED;
 349                 /* LCOV_EXCL_STOP */
 350         }
 351
 352         ret = func_hwc->hwc_get_video_supported_formats(private_hwc->hwc_backend, formats, count);
 353
 354         _pthread_mutex_unlock(&private_display->lock);
 355
 356         return ret;
 357 }
 358
 359 EXTERN tdm_error
 360 tdm_hwc_get_video_available_properties(tdm_hwc *hwc, const tdm_prop **props, int *count)
 361 {
 362         tdm_private_module *private_module;
 363         tdm_func_hwc *func_hwc = NULL;
 364
 365         HWC_FUNC_ENTRY();
 366
 367         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 368         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 369
 370         _pthread_mutex_lock(&private_display->lock);
 371
 372         private_module = private_output->private_module;
 373         func_hwc = &private_module->func_hwc;
 374
 375         if (!func_hwc->hwc_get_video_available_properties) {
 376                 /* LCOV_EXCL_START */
 377                 _pthread_mutex_unlock(&private_display->lock);
 378                 TDM_WRN("not implemented!!");
 379                 return TDM_ERROR_NOT_IMPLEMENTED;
 380                 /* LCOV_EXCL_STOP */
 381         }
 382
 383         ret = func_hwc->hwc_get_video_available_properties(private_hwc->hwc_backend, props, count);
 384
 385         _pthread_mutex_unlock(&private_display->lock);
 386
 387         return ret;
 388 }
 389
 390 EXTERN tdm_error
 391 tdm_hwc_get_capabilities(tdm_hwc *hwc, tdm_hwc_capability *capabilities)
 392 {
 393         tdm_private_module *private_module;
 394         tdm_func_hwc *func_hwc;
 395
 396         HWC_FUNC_ENTRY();
 397
 398         _pthread_mutex_lock(&private_display->lock);
 399
 400         private_module = private_output->private_module;
 401         func_hwc = &private_module->func_hwc;
 402
 403         if (!func_hwc->hwc_get_capabilities) {
 404                 _pthread_mutex_unlock(&private_display->lock);
 405                 TDM_WRN("not implemented!!");
 406                 return TDM_ERROR_NOT_IMPLEMENTED;
 407         }
 408
 409         ret = func_hwc->hwc_get_capabilities(private_hwc->hwc_backend, capabilities);
 410
 411         _pthread_mutex_unlock(&private_display->lock);
 412
 413         return ret;
 414 }
 415
 416 EXTERN tdm_error
 417 tdm_hwc_get_available_properties(tdm_hwc *hwc, const tdm_prop **props, int *count)
 418 {
 419         tdm_private_module *private_module;
 420         tdm_func_hwc *func_hwc = NULL;
 421
 422         HWC_FUNC_ENTRY();
 423
 424         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 425         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 426
 427         _pthread_mutex_lock(&private_display->lock);
 428
 429         private_module = private_output->private_module;
 430         func_hwc = &private_module->func_hwc;
 431
 432         if (!func_hwc->hwc_get_available_properties) {
 433                 /* LCOV_EXCL_START */
 434                 _pthread_mutex_unlock(&private_display->lock);
 435                 TDM_WRN("not implemented!!");
 436                 return TDM_ERROR_NOT_IMPLEMENTED;
 437                 /* LCOV_EXCL_STOP */
 438         }
 439
 440         ret = func_hwc->hwc_get_available_properties(private_hwc->hwc_backend, props, count);
 441
 442         _pthread_mutex_unlock(&private_display->lock);
 443
 444         return ret;
 445 }
 446
 447 EXTERN tbm_surface_queue_h
 448 tdm_hwc_get_client_target_buffer_queue(tdm_hwc *hwc, tdm_error *error)
 449 {
 450         tdm_private_module *private_module;
 451         tdm_func_hwc *func_hwc = NULL;
 452         tbm_surface_queue_h queue = NULL;
 453
 454         HWC_FUNC_ENTRY_ERROR();
 455
 456         _pthread_mutex_lock(&private_display->lock);
 457
 458         private_module = private_hwc->private_module;
 459         func_hwc = &private_module->func_hwc;
 460
 461         if (!func_hwc->hwc_get_client_target_buffer_queue) {
 462                 /* LCOV_EXCL_START */
 463                 _pthread_mutex_unlock(&private_display->lock);
 464                 TDM_WRN("not implemented!!");
 465                 return NULL;
 466                 /* LCOV_EXCL_STOP */
 467         }
 468
 469         queue = func_hwc->hwc_get_client_target_buffer_queue(private_hwc->hwc_backend, error);
 470
 471         _pthread_mutex_unlock(&private_display->lock);
 472
 473         return queue;
 474 }
 475
 476 EXTERN tdm_error
 477 tdm_hwc_set_client_target_buffer(tdm_hwc *hwc, tbm_surface_h target_buffer, tdm_region damage)
 478 {
 479         tdm_private_module *private_module;
 480         tdm_func_hwc *func_hwc = NULL;
 481
 482         HWC_FUNC_ENTRY();
 483
 484         _pthread_mutex_lock(&private_display->lock);
 485
 486         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
 487                 /* LCOV_EXCL_START */
 488                 char str[TDM_PATH_LEN];
 489                 static int i;
 490                 snprintf(str, TDM_PATH_LEN, "target_window_%03d", i++);
 491                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
 492                 /* LCOV_EXCL_STOP */
 493         }
 494
 495         private_module = private_hwc->private_module;
 496         func_hwc = &private_module->func_hwc;
 497
 498         if (!func_hwc->hwc_set_client_target_buffer) {
 499                 /* LCOV_EXCL_START */
 500                 _pthread_mutex_unlock(&private_display->lock);
 501                 TDM_WRN("not implemented!!");
 502                 return TDM_ERROR_NOT_IMPLEMENTED;
 503                 /* LCOV_EXCL_STOP */
 504         }
 505
 506         ret = func_hwc->hwc_set_client_target_buffer(private_hwc->hwc_backend, target_buffer, damage);
 507
 508         if (private_hwc->display_target_buffer) {
 509                 if (private_hwc->display_target_buffer != target_buffer) {
 510                         tbm_surface_internal_unref(private_hwc->display_target_buffer);
 511                         private_hwc->display_target_buffer = target_buffer;
 512                         if (target_buffer)
 513                                 tbm_surface_internal_ref(private_hwc->display_target_buffer);
 514                 }
 515         } else {
 516                 if (target_buffer) {
 517                         private_hwc->display_target_buffer = target_buffer;
 518                         tbm_surface_internal_ref(private_hwc->display_target_buffer);
 519                 }
 520         }
 521
 522         _pthread_mutex_unlock(&private_display->lock);
 523
 524         return ret;
 525 }
 526
 527
 528 EXTERN tdm_error
 529 tdm_hwc_validate(tdm_hwc *hwc, tdm_hwc_window **composited_wnds, uint32_t num_wnds, uint32_t *num_types)
 530 {
 531         tdm_private_module *private_module;
 532         tdm_func_hwc *func_hwc = NULL;
 533         tdm_private_hwc_window **composited_wnds_frontend = NULL;
 534         tdm_hwc_window **composited_wnds_backend = NULL;
 535         int i;
 536
 537         HWC_FUNC_ENTRY();
 538
 539         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
 540
 541         _pthread_mutex_lock(&private_display->lock);
 542
 543         private_module = private_hwc->private_module;
 544         func_hwc = &private_module->func_hwc;
 545
 546         if (!func_hwc->hwc_validate) {
 547                 /* LCOV_EXCL_START */
 548                 _pthread_mutex_unlock(&private_display->lock);
 549                 TDM_WRN("not implemented!!");
 550                 return TDM_ERROR_NOT_IMPLEMENTED;
 551                 /* LCOV_EXCL_STOP */
 552         }
 553
 554         if (num_wnds == 0) {
 555                 ret = func_hwc->hwc_validate(private_hwc->hwc_backend, NULL, 0, num_types);
 556
 557                 _pthread_mutex_unlock(&private_display->lock);
 558                 return ret;
 559         }
 560
 561         composited_wnds_backend = calloc(num_wnds, sizeof(tdm_hwc_window *));
 562         if (!composited_wnds_backend) {
 563                 /* LCOV_EXCL_START */
 564                 _pthread_mutex_unlock(&private_display->lock);
 565                 return TDM_ERROR_OUT_OF_MEMORY;
 566                 /* LCOV_EXCL_STOP */
 567         }
 568
 569         composited_wnds_frontend = (tdm_private_hwc_window **)composited_wnds;
 570
 571         for (i = 0; i < num_wnds; i++)
 572                 composited_wnds_backend[i] = composited_wnds_frontend[i]->hwc_window_backend;
 573
 574         ret = func_hwc->hwc_validate(private_hwc->hwc_backend, composited_wnds_backend,
 575                                                                 num_wnds, num_types);
 576
 577         free(composited_wnds_backend);
 578
 579         _pthread_mutex_unlock(&private_display->lock);
 580
 581         return ret;
 582 }
 583
 584 EXTERN tdm_error
 585 tdm_hwc_get_changed_composition_types(tdm_hwc *hwc, uint32_t *num_elements,
 586                                                                 tdm_hwc_window **hwc_window,
 587                                                                 tdm_hwc_window_composition *composition_types)
 588 {
 589         tdm_private_module *private_module;
 590         tdm_func_hwc *func_hwc = NULL;
 591         tdm_private_hwc_window * private_hwc_window = NULL;
 592         int i = 0;
 593
 594         HWC_FUNC_ENTRY();
 595
 596         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
 597
 598         _pthread_mutex_lock(&private_display->lock);
 599
 600         private_module = private_hwc->private_module;
 601         func_hwc = &private_module->func_hwc;
 602
 603         if (!func_hwc->hwc_get_changed_composition_types) {
 604                 /* LCOV_EXCL_START */
 605                 _pthread_mutex_unlock(&private_display->lock);
 606                 TDM_WRN("not implemented!!");
 607                 return TDM_ERROR_NOT_IMPLEMENTED;
 608                 /* LCOV_EXCL_STOP */
 609         }
 610
 611         ret = func_hwc->hwc_get_changed_composition_types(private_hwc->hwc_backend,
 612                                                         num_elements, hwc_window, composition_types);
 613         if (ret != TDM_ERROR_NONE) {
 614                 /* LCOV_EXCL_START */
 615                 _pthread_mutex_unlock(&private_display->lock);
 616                 return ret;
 617                 /* LCOV_EXCL_STOP */
 618         }
 619
 620         if (hwc_window == NULL || composition_types == NULL) {
 621                 _pthread_mutex_unlock(&private_display->lock);
 622                 return TDM_ERROR_NONE;
 623         }
 624
 625         for (i = 0; i < *num_elements; i++) {
 626                 private_hwc_window = _tdm_hwc_find_private_hwc_window(private_hwc, hwc_window[i]);
 627                 if (private_hwc_window == NULL) {
 628                         /* LCOV_EXCL_START */
 629                         TDM_ERR("failed! This should never happen!");
 630                         tdm_hwc_window_destroy_internal(private_hwc_window);
 631                         *num_elements = 0;
 632                         _pthread_mutex_unlock(&private_display->lock);
 633                         return TDM_ERROR_OPERATION_FAILED;
 634                         /* LCOV_EXCL_STOP */
 635                 }
 636
 637                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
 638         }
 639
 640         _pthread_mutex_unlock(&private_display->lock);
 641
 642         return ret;
 643 }
 644
 645 EXTERN tdm_error
 646 tdm_hwc_accept_validation(tdm_hwc *hwc)
 647 {
 648         tdm_private_module *private_module;
 649         tdm_func_hwc *func_hwc = NULL;
 650
 651         HWC_FUNC_ENTRY();
 652
 653         _pthread_mutex_lock(&private_display->lock);
 654
 655         private_module = private_hwc->private_module;
 656         func_hwc = &private_module->func_hwc;
 657
 658         if (!func_hwc->hwc_validate) {
 659                 /* LCOV_EXCL_START */
 660                 _pthread_mutex_unlock(&private_display->lock);
 661                 TDM_WRN("not implemented!!");
 662                 return TDM_ERROR_NOT_IMPLEMENTED;
 663                 /* LCOV_EXCL_STOP */
 664         }
 665
 666         ret = func_hwc->hwc_accept_validation(private_hwc->hwc_backend);
 667
 668         _pthread_mutex_unlock(&private_display->lock);
 669
 670         return ret;
 671 }
 672
 673 EXTERN tdm_error
 674 tdm_hwc_commit(tdm_hwc *hwc, int sync, tdm_hwc_commit_handler func, void *user_data)
 675 {
 676         tdm_private_module *private_module;
 677         tdm_func_hwc *func_hwc = NULL;
 678         tdm_private_hwc_commit_handler *hwc_commit_handler = NULL;
 679         tdm_private_voutput *private_voutput = NULL;
 680         tdm_private_voutput_commit_handler *voutput_commit_handler = NULL;
 681
 682         HWC_FUNC_ENTRY();
 683
 684         _pthread_mutex_lock(&private_display->lock);
 685
 686         private_module = private_hwc->private_module;
 687         func_hwc = &private_module->func_hwc;
 688
 689         if (!func_hwc->hwc_commit) {
 690                 /* LCOV_EXCL_START */
 691                 TDM_WRN("not implemented!!");
 692                 _pthread_mutex_unlock(&private_display->lock);
 693                 return TDM_ERROR_NOT_IMPLEMENTED;
 694                 /* LCOV_EXCL_STOP */
 695         }
 696
 697 //TODO: I am not sure yet whether we have to check the dpms at hwc_commit.
 698 #if 0
 699         /* check if the dpms is off */
 700         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 701                 TDM_ERR("hwc(%d) dpms: %s", private_hwc->index,
 702                                 tdm_dpms_str(private_output->current_dpms_value));
 703                 _pthread_mutex_unlock(&private_display->lock);
 704                 return TDM_ERROR_DPMS_OFF;
 705         }
 706 #endif
 707
 708         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 709                 TDM_INFO("hwc(%d) commit", private_hwc->index);
 710
 711         if (private_module == private_display->virtual_module) {
 712                 if (!private_output->private_voutput) {
 713                         TDM_ERR("virtual module but don't have voutput");
 714                         _pthread_mutex_unlock(&private_display->lock);
 715                         return TDM_ERROR_BAD_MODULE;
 716                 }
 717         }
 718
 719         if (!private_hwc->regist_commit_cb) {
 720                 private_hwc->regist_commit_cb = 1;
 721                 ret = func_hwc->hwc_set_commit_handler(private_hwc->hwc_backend, _tdm_hwc_cb_commit);
 722                 /* LCOV_EXCL_START */
 723                 if (ret != TDM_ERROR_NONE) {
 724                         private_hwc->regist_commit_cb = 0;
 725                         TDM_ERR("hwc(%d) fail to set hwc_set_commit_handler", private_hwc->index);
 726                         _pthread_mutex_unlock(&private_display->lock);
 727                         return ret;
 728                 /* LCOV_EXCL_STOP */
 729                 }
 730         }
 731
 732         hwc_commit_handler = calloc(1, sizeof(tdm_private_hwc_commit_handler));
 733         if (!hwc_commit_handler) {
 734                 /* LCOV_EXCL_START */
 735                 TDM_ERR("failed: alloc memory");
 736                 _pthread_mutex_unlock(&private_display->lock);
 737                 return TDM_ERROR_OUT_OF_MEMORY;
 738                 /* LCOV_EXCL_STOP */
 739         }
 740
 741         ret = tdm_thread_cb_add(private_hwc, TDM_THREAD_CB_HWC_COMMIT, hwc_commit_handler,
 742                                         _tdm_hwc_thread_cb_commit, NULL);
 743         if (ret != TDM_ERROR_NONE) {
 744                 TDM_ERR("tdm_thread_cb_add failed");
 745                 free(hwc_commit_handler);
 746                 _pthread_mutex_unlock(&private_display->lock);
 747                 return ret;
 748         }
 749
 750         LIST_ADDTAIL(&hwc_commit_handler->link, &private_hwc->hwc_commit_handler_list);
 751         hwc_commit_handler->private_hwc = private_hwc;
 752         hwc_commit_handler->func = func;
 753         hwc_commit_handler->user_data = user_data;
 754         hwc_commit_handler->owner_tid = syscall(SYS_gettid);
 755
 756         if (private_module == private_display->virtual_module) {
 757                 private_voutput = private_output->private_voutput;
 758
 759                 if (LIST_LENGTH(&private_voutput->voutput_commit_handler_list) != 0) {
 760                         voutput_commit_handler = LIST_FIRST_ENTRY(&private_voutput->voutput_commit_handler_list, tdm_private_voutput_commit_handler, link);
 761                         voutput_commit_handler->user_data = private_hwc->display_target_buffer;
 762                 }
 763         }
 764
 765         ret = func_hwc->hwc_commit(private_hwc->hwc_backend, sync, hwc_commit_handler);
 766         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 767
 768         if (hwc_use_vblank) {
 769                 ret = _tdm_hwc_vblank(private_hwc, hwc_commit_handler);
 770                 if (ret == TDM_ERROR_NONE) {
 771                         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 772                                 TDM_INFO("hwc(%d) backend commit: wait vblank handle(%p) func(%p) user_data(%p)",
 773                                         private_hwc->index, hwc_commit_handler, func, user_data);
 774                 } else
 775                         goto commit_failed;
 776         } else {
 777                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 778                         TDM_INFO("hwc(%d) backend commit: handle(%p) func(%p) user_data(%p)",
 779                                         private_hwc->index, hwc_commit_handler, func, user_data);
 780         }
 781
 782         _pthread_mutex_unlock(&private_display->lock);
 783
 784         return ret;
 785
 786 commit_failed:
 787         /* LCOV_EXCL_START */
 788         if (hwc_commit_handler) {
 789                 tdm_thread_cb_remove(private_hwc, TDM_THREAD_CB_HWC_COMMIT, hwc_commit_handler,
 790                                                 _tdm_hwc_thread_cb_commit, NULL);
 791                 LIST_DEL(&hwc_commit_handler->link);
 792                 free(hwc_commit_handler);
 793         }
 794
 795         _pthread_mutex_unlock(&private_display->lock);
 796
 797         return ret;
 798         /* LCOV_EXCL_STOP */
 799 }
 800
 801 tdm_error
 802 tdm_hwc_set_property(tdm_hwc *hwc, uint32_t id, tdm_value value)
 803 {
 804         tdm_private_module *private_module;
 805         tdm_func_hwc *func_hwc = NULL;
 806
 807         HWC_FUNC_ENTRY();
 808
 809         _pthread_mutex_lock(&private_display->lock);
 810
 811         private_module = private_hwc->private_module;
 812         func_hwc = &private_module->func_hwc;
 813
 814         if (!func_hwc->hwc_set_property) {
 815                 /* LCOV_EXCL_START */
 816                 _pthread_mutex_unlock(&private_display->lock);
 817                 TDM_WRN("not implemented!!");
 818                 return TDM_ERROR_NOT_IMPLEMENTED;
 819                 /* LCOV_EXCL_STOP */
 820         }
 821
 822         ret = func_hwc->hwc_set_property(private_hwc->hwc_backend, id, value);
 823
 824         _pthread_mutex_unlock(&private_display->lock);
 825
 826         return ret;
 827 }
 828
 829 tdm_error
 830 tdm_hwc_get_property(tdm_hwc *hwc, uint32_t id, tdm_value *value)
 831 {
 832         tdm_private_module *private_module;
 833         tdm_func_hwc *func_hwc = NULL;
 834
 835         HWC_FUNC_ENTRY();
 836
 837         _pthread_mutex_lock(&private_display->lock);
 838
 839         private_module = private_hwc->private_module;
 840         func_hwc = &private_module->func_hwc;
 841
 842         if (!func_hwc->hwc_get_property) {
 843                 /* LCOV_EXCL_START */
 844                 _pthread_mutex_unlock(&private_display->lock);
 845                 TDM_WRN("not implemented!!");
 846                 return TDM_ERROR_NOT_IMPLEMENTED;
 847                 /* LCOV_EXCL_STOP */
 848         }
 849
 850         ret = func_hwc->hwc_get_property(private_hwc->hwc_backend, id, value);
 851
 852         _pthread_mutex_unlock(&private_display->lock);
 853
 854         return ret;
 855 }