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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/resources/tile_manager.h" | 5 #include "cc/resources/tile_manager.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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382 base::Bind(&TileManager::CheckIfReadyToActivate, | 382 base::Bind(&TileManager::CheckIfReadyToActivate, |
383 base::Unretained(this))) { | 383 base::Unretained(this))) { |
384 rasterizer_->SetClient(this); | 384 rasterizer_->SetClient(this); |
385 } | 385 } |
386 | 386 |
387 TileManager::~TileManager() { | 387 TileManager::~TileManager() { |
388 // Reset global state and manage. This should cause | 388 // Reset global state and manage. This should cause |
389 // our memory usage to drop to zero. | 389 // our memory usage to drop to zero. |
390 global_state_ = GlobalStateThatImpactsTilePriority(); | 390 global_state_ = GlobalStateThatImpactsTilePriority(); |
391 | 391 |
392 CleanUpReleasedTiles(); | |
393 DCHECK_EQ(0u, tiles_.size()); | |
394 | |
395 RasterTaskQueue empty; | 392 RasterTaskQueue empty; |
396 rasterizer_->ScheduleTasks(&empty); | 393 rasterizer_->ScheduleTasks(&empty); |
397 orphan_raster_tasks_.clear(); | |
398 | 394 |
399 // This should finish all pending tasks and release any uninitialized | 395 // This should finish all pending tasks and release any uninitialized |
400 // resources. | 396 // resources. |
401 rasterizer_->Shutdown(); | 397 rasterizer_->Shutdown(); |
402 rasterizer_->CheckForCompletedTasks(); | 398 rasterizer_->CheckForCompletedTasks(); |
403 | 399 |
400 FreeResourcesForReleasedTiles(); | |
401 CleanUpReleasedTiles(); | |
402 | |
404 DCHECK_EQ(0u, bytes_releasable_); | 403 DCHECK_EQ(0u, bytes_releasable_); |
405 DCHECK_EQ(0u, resources_releasable_); | 404 DCHECK_EQ(0u, resources_releasable_); |
406 } | 405 } |
407 | 406 |
408 void TileManager::Release(Tile* tile) { | 407 void TileManager::Release(Tile* tile) { |
409 prioritized_tiles_dirty_ = true; | 408 prioritized_tiles_dirty_ = true; |
410 released_tiles_.push_back(tile); | 409 released_tiles_.push_back(tile); |
411 } | 410 } |
412 | 411 |
413 void TileManager::DidChangeTilePriority(Tile* tile) { | 412 void TileManager::DidChangeTilePriority(Tile* tile) { |
414 prioritized_tiles_dirty_ = true; | 413 prioritized_tiles_dirty_ = true; |
415 } | 414 } |
416 | 415 |
417 bool TileManager::ShouldForceTasksRequiredForActivationToComplete() const { | 416 bool TileManager::ShouldForceTasksRequiredForActivationToComplete() const { |
418 return global_state_.tree_priority != SMOOTHNESS_TAKES_PRIORITY; | 417 return global_state_.tree_priority != SMOOTHNESS_TAKES_PRIORITY; |
419 } | 418 } |
420 | 419 |
421 void TileManager::CleanUpReleasedTiles() { | 420 void TileManager::FreeResourcesForReleasedTiles() { |
422 for (std::vector<Tile*>::iterator it = released_tiles_.begin(); | 421 for (std::vector<Tile*>::iterator it = released_tiles_.begin(); |
423 it != released_tiles_.end(); | 422 it != released_tiles_.end(); |
424 ++it) { | 423 ++it) { |
425 Tile* tile = *it; | 424 Tile* tile = *it; |
425 for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) | |
426 FreeResourceForTile(tile, static_cast<RasterMode>(mode)); | |
427 } | |
428 } | |
429 | |
430 void TileManager::CleanUpReleasedTiles() { | |
431 std::vector<Tile*>::iterator it = released_tiles_.begin(); | |
432 while (it != released_tiles_.end()) { | |
433 Tile* tile = *it; | |
426 ManagedTileState& mts = tile->managed_state(); | 434 ManagedTileState& mts = tile->managed_state(); |
435 bool tile_has_raster_task = false; | |
427 | 436 |
428 for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) { | 437 for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) { |
429 FreeResourceForTile(tile, static_cast<RasterMode>(mode)); | 438 if (mts.tile_versions[mode].raster_task_) |
430 orphan_raster_tasks_.push_back(mts.tile_versions[mode].raster_task_); | 439 tile_has_raster_task = true; |
440 } | |
reveman
2014/07/10 16:21:56
you can break out of this loop as soon as you find
sohanjg
2014/07/11 15:14:12
Done.
| |
441 | |
442 if (tile_has_raster_task) { | |
443 ++it; | |
444 continue; | |
431 } | 445 } |
432 | 446 |
433 DCHECK(tiles_.find(tile->id()) != tiles_.end()); | 447 DCHECK(tiles_.find(tile->id()) != tiles_.end()); |
434 tiles_.erase(tile->id()); | 448 tiles_.erase(tile->id()); |
435 | 449 |
436 LayerCountMap::iterator layer_it = | 450 LayerCountMap::iterator layer_it = |
437 used_layer_counts_.find(tile->layer_id()); | 451 used_layer_counts_.find(tile->layer_id()); |
438 DCHECK_GT(layer_it->second, 0); | 452 DCHECK_GT(layer_it->second, 0); |
439 if (--layer_it->second == 0) { | 453 if (--layer_it->second == 0) { |
440 used_layer_counts_.erase(layer_it); | 454 used_layer_counts_.erase(layer_it); |
441 image_decode_tasks_.erase(tile->layer_id()); | 455 image_decode_tasks_.erase(tile->layer_id()); |
442 } | 456 } |
443 | 457 |
444 delete tile; | 458 delete tile; |
459 it = released_tiles_.erase(it); | |
445 } | 460 } |
446 | |
447 released_tiles_.clear(); | |
448 } | 461 } |
449 | 462 |
450 void TileManager::UpdatePrioritizedTileSetIfNeeded() { | 463 void TileManager::UpdatePrioritizedTileSetIfNeeded() { |
451 if (!prioritized_tiles_dirty_) | 464 if (!prioritized_tiles_dirty_) |
452 return; | 465 return; |
453 | 466 |
467 FreeResourcesForReleasedTiles(); | |
454 CleanUpReleasedTiles(); | 468 CleanUpReleasedTiles(); |
455 | 469 |
456 prioritized_tiles_.Clear(); | 470 prioritized_tiles_.Clear(); |
457 GetTilesWithAssignedBins(&prioritized_tiles_); | 471 GetTilesWithAssignedBins(&prioritized_tiles_); |
458 prioritized_tiles_dirty_ = false; | 472 prioritized_tiles_dirty_ = false; |
459 } | 473 } |
460 | 474 |
461 void TileManager::DidFinishRunningTasks() { | 475 void TileManager::DidFinishRunningTasks() { |
462 TRACE_EVENT0("cc", "TileManager::DidFinishRunningTasks"); | 476 TRACE_EVENT0("cc", "TileManager::DidFinishRunningTasks"); |
463 | 477 |
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963 | 977 |
964 // We must reduce the amount of unused resoruces before calling | 978 // We must reduce the amount of unused resoruces before calling |
965 // ScheduleTasks to prevent usage from rising above limits. | 979 // ScheduleTasks to prevent usage from rising above limits. |
966 resource_pool_->ReduceResourceUsage(); | 980 resource_pool_->ReduceResourceUsage(); |
967 | 981 |
968 // Schedule running of |raster_tasks_|. This replaces any previously | 982 // Schedule running of |raster_tasks_|. This replaces any previously |
969 // scheduled tasks and effectively cancels all tasks not present | 983 // scheduled tasks and effectively cancels all tasks not present |
970 // in |raster_tasks_|. | 984 // in |raster_tasks_|. |
971 rasterizer_->ScheduleTasks(&raster_queue_); | 985 rasterizer_->ScheduleTasks(&raster_queue_); |
972 | 986 |
973 // It's now safe to clean up orphan tasks as raster worker pool is not | |
974 // allowed to keep around unreferenced raster tasks after ScheduleTasks() has | |
975 // been called. | |
976 orphan_raster_tasks_.clear(); | |
977 | |
978 did_check_for_completed_tasks_since_last_schedule_tasks_ = false; | 987 did_check_for_completed_tasks_since_last_schedule_tasks_ = false; |
979 } | 988 } |
980 | 989 |
981 scoped_refptr<ImageDecodeTask> TileManager::CreateImageDecodeTask( | 990 scoped_refptr<ImageDecodeTask> TileManager::CreateImageDecodeTask( |
982 Tile* tile, | 991 Tile* tile, |
983 SkPixelRef* pixel_ref) { | 992 SkPixelRef* pixel_ref) { |
984 return make_scoped_refptr(new ImageDecodeTaskImpl( | 993 return make_scoped_refptr(new ImageDecodeTaskImpl( |
985 pixel_ref, | 994 pixel_ref, |
986 tile->layer_id(), | 995 tile->layer_id(), |
987 rendering_stats_instrumentation_, | 996 rendering_stats_instrumentation_, |
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1062 pixel_ref_tasks.erase(task_it); | 1071 pixel_ref_tasks.erase(task_it); |
1063 } | 1072 } |
1064 | 1073 |
1065 void TileManager::OnRasterTaskCompleted( | 1074 void TileManager::OnRasterTaskCompleted( |
1066 Tile::Id tile_id, | 1075 Tile::Id tile_id, |
1067 scoped_ptr<ScopedResource> resource, | 1076 scoped_ptr<ScopedResource> resource, |
1068 RasterMode raster_mode, | 1077 RasterMode raster_mode, |
1069 const PicturePileImpl::Analysis& analysis, | 1078 const PicturePileImpl::Analysis& analysis, |
1070 bool was_canceled) { | 1079 bool was_canceled) { |
1071 TileMap::iterator it = tiles_.find(tile_id); | 1080 TileMap::iterator it = tiles_.find(tile_id); |
1072 if (it == tiles_.end()) { | 1081 DCHECK(it != tiles_.end()); |
1073 ++update_visible_tiles_stats_.canceled_count; | |
1074 resource_pool_->ReleaseResource(resource.Pass()); | |
1075 return; | |
1076 } | |
1077 | 1082 |
1078 Tile* tile = it->second; | 1083 Tile* tile = it->second; |
1079 ManagedTileState& mts = tile->managed_state(); | 1084 ManagedTileState& mts = tile->managed_state(); |
1080 ManagedTileState::TileVersion& tile_version = mts.tile_versions[raster_mode]; | 1085 ManagedTileState::TileVersion& tile_version = mts.tile_versions[raster_mode]; |
1081 DCHECK(tile_version.raster_task_); | |
reveman
2014/07/10 16:21:56
you can keep this DCHECK.
sohanjg
2014/07/11 15:14:12
Done.
| |
1082 orphan_raster_tasks_.push_back(tile_version.raster_task_); | |
1083 tile_version.raster_task_ = NULL; | 1086 tile_version.raster_task_ = NULL; |
1084 | 1087 |
1085 if (was_canceled) { | 1088 if (was_canceled) { |
1086 ++update_visible_tiles_stats_.canceled_count; | 1089 ++update_visible_tiles_stats_.canceled_count; |
1087 resource_pool_->ReleaseResource(resource.Pass()); | 1090 resource_pool_->ReleaseResource(resource.Pass()); |
1088 return; | 1091 return; |
1089 } | 1092 } |
1090 | 1093 |
1091 ++update_visible_tiles_stats_.completed_count; | 1094 ++update_visible_tiles_stats_.completed_count; |
1092 | 1095 |
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1576 TRACE_EVENT0("cc", "TileManager::CheckIfReadyToActivate"); | 1579 TRACE_EVENT0("cc", "TileManager::CheckIfReadyToActivate"); |
1577 | 1580 |
1578 rasterizer_->CheckForCompletedTasks(); | 1581 rasterizer_->CheckForCompletedTasks(); |
1579 did_check_for_completed_tasks_since_last_schedule_tasks_ = true; | 1582 did_check_for_completed_tasks_since_last_schedule_tasks_ = true; |
1580 | 1583 |
1581 if (IsReadyToActivate()) | 1584 if (IsReadyToActivate()) |
1582 client_->NotifyReadyToActivate(); | 1585 client_->NotifyReadyToActivate(); |
1583 } | 1586 } |
1584 | 1587 |
1585 } // namespace cc | 1588 } // namespace cc |
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