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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/picture_layer_tiling_set.h" | 5 #include "cc/resources/picture_layer_tiling_set.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 #include <set> | 8 #include <set> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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22 inline float LargerRatio(float float1, float float2) { | 22 inline float LargerRatio(float float1, float float2) { |
23 DCHECK_GT(float1, 0.f); | 23 DCHECK_GT(float1, 0.f); |
24 DCHECK_GT(float2, 0.f); | 24 DCHECK_GT(float2, 0.f); |
25 return float1 > float2 ? float1 / float2 : float2 / float1; | 25 return float1 > float2 ? float1 / float2 : float2 / float1; |
26 } | 26 } |
27 | 27 |
28 } // namespace | 28 } // namespace |
29 | 29 |
30 // static | 30 // static |
31 scoped_ptr<PictureLayerTilingSet> PictureLayerTilingSet::Create( | 31 scoped_ptr<PictureLayerTilingSet> PictureLayerTilingSet::Create( |
32 PictureLayerTilingClient* client) { | 32 PictureLayerTilingClient* client, |
33 return make_scoped_ptr(new PictureLayerTilingSet(client)); | 33 size_t max_tiles_for_interest_area, |
| 34 float skewport_target_time_in_seconds, |
| 35 int skewport_extrapolation_limit_in_content) { |
| 36 auto set = make_scoped_ptr(new PictureLayerTilingSet(client)); |
| 37 set->SetMaxTilesForInterestArea(max_tiles_for_interest_area); |
| 38 set->SetSkewportTargetTimeInSeconds(skewport_target_time_in_seconds); |
| 39 set->SetSkewportExtrapolationLimitInContentPixels( |
| 40 skewport_extrapolation_limit_in_content); |
| 41 return set; |
34 } | 42 } |
35 | 43 |
36 PictureLayerTilingSet::PictureLayerTilingSet(PictureLayerTilingClient* client) | 44 PictureLayerTilingSet::PictureLayerTilingSet(PictureLayerTilingClient* client) |
37 : client_(client) { | 45 : max_tiles_for_interest_area_(0u), |
| 46 skewport_target_time_in_seconds_(0.f), |
| 47 skewport_extrapolation_limit_in_content_pixels_(0), |
| 48 client_(client) { |
38 } | 49 } |
39 | 50 |
40 PictureLayerTilingSet::~PictureLayerTilingSet() { | 51 PictureLayerTilingSet::~PictureLayerTilingSet() { |
41 } | 52 } |
42 | 53 |
43 void PictureLayerTilingSet::SetClient(PictureLayerTilingClient* client) { | 54 void PictureLayerTilingSet::SetClient(PictureLayerTilingClient* client) { |
44 client_ = client; | 55 client_ = client; |
45 for (size_t i = 0; i < tilings_.size(); ++i) | 56 for (size_t i = 0; i < tilings_.size(); ++i) |
46 tilings_[i]->SetClient(client_); | 57 tilings_[i]->SetClient(client_); |
47 } | 58 } |
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159 | 170 |
160 DCHECK(this_tiling->tile_size() == | 171 DCHECK(this_tiling->tile_size() == |
161 client_->CalculateTileSize(this_tiling->tiling_size())) | 172 client_->CalculateTileSize(this_tiling->tiling_size())) |
162 << "tile_size: " << this_tiling->tile_size().ToString() | 173 << "tile_size: " << this_tiling->tile_size().ToString() |
163 << " tiling_size: " << this_tiling->tiling_size().ToString() | 174 << " tiling_size: " << this_tiling->tiling_size().ToString() |
164 << " CalculateTileSize: " | 175 << " CalculateTileSize: " |
165 << client_->CalculateTileSize(this_tiling->tiling_size()).ToString(); | 176 << client_->CalculateTileSize(this_tiling->tiling_size()).ToString(); |
166 continue; | 177 continue; |
167 } | 178 } |
168 scoped_ptr<PictureLayerTiling> new_tiling = PictureLayerTiling::Create( | 179 scoped_ptr<PictureLayerTiling> new_tiling = PictureLayerTiling::Create( |
169 contents_scale, | 180 contents_scale, new_layer_bounds, client_, max_tiles_for_interest_area_, |
170 new_layer_bounds, | 181 skewport_target_time_in_seconds_, |
171 client_); | 182 skewport_extrapolation_limit_in_content_pixels_); |
172 new_tiling->set_resolution(other.tilings_[i]->resolution()); | 183 new_tiling->set_resolution(other.tilings_[i]->resolution()); |
173 if (new_tiling->resolution() == HIGH_RESOLUTION) | 184 if (new_tiling->resolution() == HIGH_RESOLUTION) |
174 have_high_res_tiling = true; | 185 have_high_res_tiling = true; |
175 tilings_.push_back(new_tiling.Pass()); | 186 tilings_.push_back(new_tiling.Pass()); |
176 } | 187 } |
177 tilings_.sort(LargestToSmallestScaleFunctor()); | 188 tilings_.sort(LargestToSmallestScaleFunctor()); |
178 | 189 |
179 return have_high_res_tiling; | 190 return have_high_res_tiling; |
180 } | 191 } |
181 | 192 |
182 PictureLayerTiling* PictureLayerTilingSet::AddTiling( | 193 PictureLayerTiling* PictureLayerTilingSet::AddTiling( |
183 float contents_scale, | 194 float contents_scale, |
184 const gfx::Size& layer_bounds) { | 195 const gfx::Size& layer_bounds) { |
185 for (size_t i = 0; i < tilings_.size(); ++i) | 196 for (size_t i = 0; i < tilings_.size(); ++i) |
186 DCHECK_NE(tilings_[i]->contents_scale(), contents_scale); | 197 DCHECK_NE(tilings_[i]->contents_scale(), contents_scale); |
187 | 198 |
188 tilings_.push_back( | 199 tilings_.push_back(PictureLayerTiling::Create( |
189 PictureLayerTiling::Create(contents_scale, layer_bounds, client_)); | 200 contents_scale, layer_bounds, client_, max_tiles_for_interest_area_, |
| 201 skewport_target_time_in_seconds_, |
| 202 skewport_extrapolation_limit_in_content_pixels_)); |
190 PictureLayerTiling* appended = tilings_.back(); | 203 PictureLayerTiling* appended = tilings_.back(); |
191 | 204 |
192 tilings_.sort(LargestToSmallestScaleFunctor()); | 205 tilings_.sort(LargestToSmallestScaleFunctor()); |
193 return appended; | 206 return appended; |
194 } | 207 } |
195 | 208 |
196 int PictureLayerTilingSet::NumHighResTilings() const { | 209 int PictureLayerTilingSet::NumHighResTilings() const { |
197 int num_high_res = 0; | 210 int num_high_res = 0; |
198 for (size_t i = 0; i < tilings_.size(); ++i) { | 211 for (size_t i = 0; i < tilings_.size(); ++i) { |
199 if (tilings_[i]->resolution() == HIGH_RESOLUTION) | 212 if (tilings_[i]->resolution() == HIGH_RESOLUTION) |
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518 case LOWER_THAN_LOW_RES: | 531 case LOWER_THAN_LOW_RES: |
519 range = TilingRange(low_res_range.end, tilings_.size()); | 532 range = TilingRange(low_res_range.end, tilings_.size()); |
520 break; | 533 break; |
521 } | 534 } |
522 | 535 |
523 DCHECK_LE(range.start, range.end); | 536 DCHECK_LE(range.start, range.end); |
524 return range; | 537 return range; |
525 } | 538 } |
526 | 539 |
527 } // namespace cc | 540 } // namespace cc |
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