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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/display_list_recording_source.h" | 5 #include "cc/resources/display_list_recording_source.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "cc/base/region.h" | 9 #include "cc/base/region.h" |
10 #include "cc/layers/content_layer_client.h" | 10 #include "cc/layers/content_layer_client.h" |
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21 // We don't perform solid color analysis on images that have more than 10 skia | 21 // We don't perform solid color analysis on images that have more than 10 skia |
22 // operations. | 22 // operations. |
23 const int kOpCountThatIsOkToAnalyze = 10; | 23 const int kOpCountThatIsOkToAnalyze = 10; |
24 | 24 |
25 } // namespace | 25 } // namespace |
26 | 26 |
27 namespace cc { | 27 namespace cc { |
28 | 28 |
29 DisplayListRecordingSource::DisplayListRecordingSource() | 29 DisplayListRecordingSource::DisplayListRecordingSource() |
30 : slow_down_raster_scale_factor_for_debug_(0), | 30 : slow_down_raster_scale_factor_for_debug_(0), |
| 31 can_use_lcd_text_(true), |
31 requires_clear_(false), | 32 requires_clear_(false), |
32 is_solid_color_(false), | 33 is_solid_color_(false), |
33 solid_color_(SK_ColorTRANSPARENT), | 34 solid_color_(SK_ColorTRANSPARENT), |
34 background_color_(SK_ColorTRANSPARENT), | 35 background_color_(SK_ColorTRANSPARENT), |
35 pixel_record_distance_(kPixelDistanceToRecord), | 36 pixel_record_distance_(kPixelDistanceToRecord), |
36 is_suitable_for_gpu_rasterization_(true) { | 37 is_suitable_for_gpu_rasterization_(true) { |
37 } | 38 } |
38 | 39 |
39 DisplayListRecordingSource::~DisplayListRecordingSource() { | 40 DisplayListRecordingSource::~DisplayListRecordingSource() { |
40 } | 41 } |
41 | 42 |
42 bool DisplayListRecordingSource::UpdateAndExpandInvalidation( | 43 bool DisplayListRecordingSource::UpdateAndExpandInvalidation( |
43 ContentLayerClient* painter, | 44 ContentLayerClient* painter, |
44 Region* invalidation, | 45 Region* invalidation, |
| 46 bool can_use_lcd_text, |
45 const gfx::Size& layer_size, | 47 const gfx::Size& layer_size, |
46 const gfx::Rect& visible_layer_rect, | 48 const gfx::Rect& visible_layer_rect, |
47 int frame_number, | 49 int frame_number, |
48 RecordingMode recording_mode) { | 50 RecordingMode recording_mode) { |
49 bool updated = false; | 51 bool updated = false; |
50 | 52 |
51 if (size_ != layer_size) { | 53 if (size_ != layer_size) { |
52 size_ = layer_size; | 54 size_ = layer_size; |
53 updated = true; | 55 updated = true; |
54 } | 56 } |
55 | 57 |
| 58 if (can_use_lcd_text_ != can_use_lcd_text) { |
| 59 can_use_lcd_text_ = can_use_lcd_text; |
| 60 invalidation->Union(gfx::Rect(GetSize())); |
| 61 updated = true; |
| 62 } |
| 63 |
56 gfx::Rect old_recorded_viewport = recorded_viewport_; | 64 gfx::Rect old_recorded_viewport = recorded_viewport_; |
57 recorded_viewport_ = visible_layer_rect; | 65 recorded_viewport_ = visible_layer_rect; |
58 recorded_viewport_.Inset(-pixel_record_distance_, -pixel_record_distance_); | 66 recorded_viewport_.Inset(-pixel_record_distance_, -pixel_record_distance_); |
59 recorded_viewport_.Intersect(gfx::Rect(GetSize())); | 67 recorded_viewport_.Intersect(gfx::Rect(GetSize())); |
60 | 68 |
61 if (recorded_viewport_ != old_recorded_viewport) { | 69 if (recorded_viewport_ != old_recorded_viewport) { |
62 // Invalidate newly-exposed and no-longer-exposed areas. | 70 // Invalidate newly-exposed and no-longer-exposed areas. |
63 Region newly_exposed_region(recorded_viewport_); | 71 Region newly_exposed_region(recorded_viewport_); |
64 newly_exposed_region.Subtract(old_recorded_viewport); | 72 newly_exposed_region.Subtract(old_recorded_viewport); |
65 invalidation->Union(newly_exposed_region); | 73 invalidation->Union(newly_exposed_region); |
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137 } | 145 } |
138 | 146 |
139 void DisplayListRecordingSource::SetUnsuitableForGpuRasterizationForTesting() { | 147 void DisplayListRecordingSource::SetUnsuitableForGpuRasterizationForTesting() { |
140 is_suitable_for_gpu_rasterization_ = false; | 148 is_suitable_for_gpu_rasterization_ = false; |
141 } | 149 } |
142 | 150 |
143 bool DisplayListRecordingSource::IsSuitableForGpuRasterization() const { | 151 bool DisplayListRecordingSource::IsSuitableForGpuRasterization() const { |
144 return is_suitable_for_gpu_rasterization_; | 152 return is_suitable_for_gpu_rasterization_; |
145 } | 153 } |
146 | 154 |
147 scoped_refptr<RasterSource> DisplayListRecordingSource::CreateRasterSource( | 155 scoped_refptr<RasterSource> DisplayListRecordingSource::CreateRasterSource() |
148 bool can_use_lcd_text) const { | 156 const { |
149 return scoped_refptr<RasterSource>( | 157 return scoped_refptr<RasterSource>( |
150 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | 158 DisplayListRasterSource::CreateFromDisplayListRecordingSource(this)); |
151 this, can_use_lcd_text)); | |
152 } | 159 } |
153 | 160 |
154 gfx::Size DisplayListRecordingSource::GetTileGridSizeForTesting() const { | 161 gfx::Size DisplayListRecordingSource::GetTileGridSizeForTesting() const { |
155 return gfx::Size(); | 162 return gfx::Size(); |
156 } | 163 } |
157 | 164 |
158 void DisplayListRecordingSource::DetermineIfSolidColor() { | 165 void DisplayListRecordingSource::DetermineIfSolidColor() { |
159 DCHECK(display_list_.get()); | 166 DCHECK(display_list_.get()); |
160 is_solid_color_ = false; | 167 is_solid_color_ = false; |
161 solid_color_ = SK_ColorTRANSPARENT; | 168 solid_color_ = SK_ColorTRANSPARENT; |
162 | 169 |
163 if (display_list_->ApproximateOpCount() > kOpCountThatIsOkToAnalyze) | 170 if (display_list_->ApproximateOpCount() > kOpCountThatIsOkToAnalyze) |
164 return; | 171 return; |
165 | 172 |
166 gfx::Size layer_size = GetSize(); | 173 gfx::Size layer_size = GetSize(); |
167 skia::AnalysisCanvas canvas(layer_size.width(), layer_size.height()); | 174 skia::AnalysisCanvas canvas(layer_size.width(), layer_size.height()); |
168 display_list_->Raster(&canvas, nullptr, 1.f); | 175 display_list_->Raster(&canvas, nullptr, 1.f); |
169 is_solid_color_ = canvas.GetColorIfSolid(&solid_color_); | 176 is_solid_color_ = canvas.GetColorIfSolid(&solid_color_); |
170 } | 177 } |
171 | 178 |
172 void DisplayListRecordingSource::Clear() { | 179 void DisplayListRecordingSource::Clear() { |
173 recorded_viewport_ = gfx::Rect(); | 180 recorded_viewport_ = gfx::Rect(); |
174 display_list_ = NULL; | 181 display_list_ = NULL; |
175 is_solid_color_ = false; | 182 is_solid_color_ = false; |
176 } | 183 } |
177 | 184 |
178 } // namespace cc | 185 } // namespace cc |
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