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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), | |
32 requires_clear_(false), | 31 requires_clear_(false), |
33 is_solid_color_(false), | 32 is_solid_color_(false), |
34 solid_color_(SK_ColorTRANSPARENT), | 33 solid_color_(SK_ColorTRANSPARENT), |
35 background_color_(SK_ColorTRANSPARENT), | 34 background_color_(SK_ColorTRANSPARENT), |
36 pixel_record_distance_(kPixelDistanceToRecord), | 35 pixel_record_distance_(kPixelDistanceToRecord), |
37 is_suitable_for_gpu_rasterization_(true) { | 36 is_suitable_for_gpu_rasterization_(true) { |
38 } | 37 } |
39 | 38 |
40 DisplayListRecordingSource::~DisplayListRecordingSource() { | 39 DisplayListRecordingSource::~DisplayListRecordingSource() { |
41 } | 40 } |
42 | 41 |
43 bool DisplayListRecordingSource::UpdateAndExpandInvalidation( | 42 bool DisplayListRecordingSource::UpdateAndExpandInvalidation( |
44 ContentLayerClient* painter, | 43 ContentLayerClient* painter, |
45 Region* invalidation, | 44 Region* invalidation, |
46 bool can_use_lcd_text, | |
47 const gfx::Size& layer_size, | 45 const gfx::Size& layer_size, |
48 const gfx::Rect& visible_layer_rect, | 46 const gfx::Rect& visible_layer_rect, |
49 int frame_number, | 47 int frame_number, |
50 RecordingMode recording_mode) { | 48 RecordingMode recording_mode) { |
51 bool updated = false; | 49 bool updated = false; |
52 | 50 |
53 if (size_ != layer_size) { | 51 if (size_ != layer_size) { |
54 size_ = layer_size; | 52 size_ = layer_size; |
55 updated = true; | 53 updated = true; |
56 } | 54 } |
57 | 55 |
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 | |
64 gfx::Rect old_recorded_viewport = recorded_viewport_; | 56 gfx::Rect old_recorded_viewport = recorded_viewport_; |
65 recorded_viewport_ = visible_layer_rect; | 57 recorded_viewport_ = visible_layer_rect; |
66 recorded_viewport_.Inset(-pixel_record_distance_, -pixel_record_distance_); | 58 recorded_viewport_.Inset(-pixel_record_distance_, -pixel_record_distance_); |
67 recorded_viewport_.Intersect(gfx::Rect(GetSize())); | 59 recorded_viewport_.Intersect(gfx::Rect(GetSize())); |
68 | 60 |
69 if (recorded_viewport_ != old_recorded_viewport) { | 61 if (recorded_viewport_ != old_recorded_viewport) { |
70 // Invalidate newly-exposed and no-longer-exposed areas. | 62 // Invalidate newly-exposed and no-longer-exposed areas. |
71 Region newly_exposed_region(recorded_viewport_); | 63 Region newly_exposed_region(recorded_viewport_); |
72 newly_exposed_region.Subtract(old_recorded_viewport); | 64 newly_exposed_region.Subtract(old_recorded_viewport); |
73 invalidation->Union(newly_exposed_region); | 65 invalidation->Union(newly_exposed_region); |
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145 } | 137 } |
146 | 138 |
147 void DisplayListRecordingSource::SetUnsuitableForGpuRasterizationForTesting() { | 139 void DisplayListRecordingSource::SetUnsuitableForGpuRasterizationForTesting() { |
148 is_suitable_for_gpu_rasterization_ = false; | 140 is_suitable_for_gpu_rasterization_ = false; |
149 } | 141 } |
150 | 142 |
151 bool DisplayListRecordingSource::IsSuitableForGpuRasterization() const { | 143 bool DisplayListRecordingSource::IsSuitableForGpuRasterization() const { |
152 return is_suitable_for_gpu_rasterization_; | 144 return is_suitable_for_gpu_rasterization_; |
153 } | 145 } |
154 | 146 |
155 scoped_refptr<RasterSource> DisplayListRecordingSource::CreateRasterSource() | 147 scoped_refptr<RasterSource> DisplayListRecordingSource::CreateRasterSource( |
156 const { | 148 bool can_use_lcd_text) const { |
157 return scoped_refptr<RasterSource>( | 149 return scoped_refptr<RasterSource>( |
158 DisplayListRasterSource::CreateFromDisplayListRecordingSource(this)); | 150 DisplayListRasterSource::CreateFromDisplayListRecordingSource( |
| 151 this, can_use_lcd_text)); |
159 } | 152 } |
160 | 153 |
161 gfx::Size DisplayListRecordingSource::GetTileGridSizeForTesting() const { | 154 gfx::Size DisplayListRecordingSource::GetTileGridSizeForTesting() const { |
162 return gfx::Size(); | 155 return gfx::Size(); |
163 } | 156 } |
164 | 157 |
165 void DisplayListRecordingSource::DetermineIfSolidColor() { | 158 void DisplayListRecordingSource::DetermineIfSolidColor() { |
166 DCHECK(display_list_.get()); | 159 DCHECK(display_list_.get()); |
167 is_solid_color_ = false; | 160 is_solid_color_ = false; |
168 solid_color_ = SK_ColorTRANSPARENT; | 161 solid_color_ = SK_ColorTRANSPARENT; |
169 | 162 |
170 if (display_list_->ApproximateOpCount() > kOpCountThatIsOkToAnalyze) | 163 if (display_list_->ApproximateOpCount() > kOpCountThatIsOkToAnalyze) |
171 return; | 164 return; |
172 | 165 |
173 gfx::Size layer_size = GetSize(); | 166 gfx::Size layer_size = GetSize(); |
174 skia::AnalysisCanvas canvas(layer_size.width(), layer_size.height()); | 167 skia::AnalysisCanvas canvas(layer_size.width(), layer_size.height()); |
175 display_list_->Raster(&canvas, nullptr, 1.f); | 168 display_list_->Raster(&canvas, nullptr, 1.f); |
176 is_solid_color_ = canvas.GetColorIfSolid(&solid_color_); | 169 is_solid_color_ = canvas.GetColorIfSolid(&solid_color_); |
177 } | 170 } |
178 | 171 |
179 void DisplayListRecordingSource::Clear() { | 172 void DisplayListRecordingSource::Clear() { |
180 recorded_viewport_ = gfx::Rect(); | 173 recorded_viewport_ = gfx::Rect(); |
181 display_list_ = NULL; | 174 display_list_ = NULL; |
182 is_solid_color_ = false; | 175 is_solid_color_ = false; |
183 } | 176 } |
184 | 177 |
185 } // namespace cc | 178 } // namespace cc |
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