OLD | NEW |
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/tile_manager.h" | 5 #include "cc/tile_manager.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/debug/trace_event.h" | 10 #include "base/debug/trace_event.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "cc/platform_color.h" | 12 #include "cc/platform_color.h" |
13 #include "cc/raster_worker_pool.h" | 13 #include "cc/raster_worker_pool.h" |
14 #include "cc/resource_pool.h" | 14 #include "cc/resource_pool.h" |
15 #include "cc/tile.h" | 15 #include "cc/tile.h" |
16 | 16 |
17 namespace cc { | 17 namespace cc { |
18 | 18 |
19 namespace { | 19 namespace { |
20 | 20 |
21 // Determine bin based on three categories of tiles: things we need now, | 21 // Determine bin based on three categories of tiles: things we need now, |
22 // things we need soon, and eventually. | 22 // things we need soon, and eventually. |
23 TileManagerBin BinFromTilePriority(const TilePriority& prio) { | 23 inline TileManagerBin BinFromTilePriority(const TilePriority& prio) { |
24 | 24 |
25 // The amount of time for which we want to have prepainting coverage. | 25 // The amount of time for which we want to have prepainting coverage. |
26 const double prepainting_window_time_seconds = 1.0; | 26 const double prepainting_window_time_seconds = 1.0; |
27 const double backfling_guard_distance_pixels = 314.0; | 27 const double backfling_guard_distance_pixels = 314.0; |
28 | 28 |
29 // Explicitly limit how far ahead we will prepaint for low and non-low res. | 29 // Explicitly limit how far ahead we will prepaint for low and non-low res. |
30 const double max_lores_paint_distance_pixels = 8192.0; | 30 const double max_lores_paint_distance_pixels = 8192.0; |
31 const double max_hires_paint_distance_pixels = 4096.0; | 31 const double max_hires_paint_distance_pixels = 4096.0; |
32 if (prio.resolution == cc::LOW_RESOLUTION) { | 32 if (prio.resolution == cc::LOW_RESOLUTION) { |
33 if (prio.distance_to_visible_in_pixels > max_lores_paint_distance_pixels) | 33 if (prio.distance_to_visible_in_pixels > max_lores_paint_distance_pixels) |
(...skipping 90 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
124 for (TileVector::iterator it = tiles_.begin(); it != tiles_.end(); it++) { | 124 for (TileVector::iterator it = tiles_.begin(); it != tiles_.end(); it++) { |
125 if (*it == tile) { | 125 if (*it == tile) { |
126 FreeResourcesForTile(tile); | 126 FreeResourcesForTile(tile); |
127 tiles_.erase(it); | 127 tiles_.erase(it); |
128 return; | 128 return; |
129 } | 129 } |
130 } | 130 } |
131 DCHECK(false) << "Could not find tile version."; | 131 DCHECK(false) << "Could not find tile version."; |
132 } | 132 } |
133 | 133 |
134 void TileManager::WillModifyTilePriority( | |
135 Tile* tile, WhichTree tree, const TilePriority& new_priority) { | |
136 // TODO(nduca): Do something smarter if reprioritization turns out to be | |
137 // costly. | |
138 ScheduleManageTiles(); | |
139 } | |
140 | |
141 void TileManager::ScheduleManageTiles() { | |
142 if (manage_tiles_pending_) | |
143 return; | |
144 client_->ScheduleManageTiles(); | |
145 manage_tiles_pending_ = true; | |
146 } | |
147 | |
148 class BinComparator { | 134 class BinComparator { |
149 public: | 135 public: |
150 bool operator() (const Tile* a, const Tile* b) const { | 136 bool operator() (const Tile* a, const Tile* b) const { |
151 const ManagedTileState& ams = a->managed_state(); | 137 const ManagedTileState& ams = a->managed_state(); |
152 const ManagedTileState& bms = b->managed_state(); | 138 const ManagedTileState& bms = b->managed_state(); |
153 if (ams.bin != bms.bin) | 139 if (ams.bin != bms.bin) |
154 return ams.bin < bms.bin; | 140 return ams.bin < bms.bin; |
155 | 141 |
156 if (ams.resolution != bms.resolution) | 142 if (ams.resolution != bms.resolution) |
157 return ams.resolution < bms.resolution; | 143 return ams.resolution < bms.resolution; |
(...skipping 379 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
537 } | 523 } |
538 | 524 |
539 void TileManager::DidFinishTileInitialization(Tile* tile) { | 525 void TileManager::DidFinishTileInitialization(Tile* tile) { |
540 ManagedTileState& managed_tile_state = tile->managed_state(); | 526 ManagedTileState& managed_tile_state = tile->managed_state(); |
541 DCHECK(managed_tile_state.resource); | 527 DCHECK(managed_tile_state.resource); |
542 managed_tile_state.resource_is_being_initialized = false; | 528 managed_tile_state.resource_is_being_initialized = false; |
543 managed_tile_state.can_be_freed = true; | 529 managed_tile_state.can_be_freed = true; |
544 } | 530 } |
545 | 531 |
546 } // namespace cc | 532 } // namespace cc |
OLD | NEW |