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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/layers/picture_layer.h" | 5 #include "cc/layers/picture_layer.h" |
6 | 6 |
7 #include "base/auto_reset.h" | 7 #include "base/auto_reset.h" |
8 #include "base/trace_event/trace_event.h" | 8 #include "base/trace_event/trace_event.h" |
9 #include "cc/layers/content_layer_client.h" | 9 #include "cc/layers/content_layer_client.h" |
10 #include "cc/layers/picture_layer_impl.h" | 10 #include "cc/layers/picture_layer_impl.h" |
11 #include "cc/layers/recording_source.h" | 11 #include "cc/layers/recording_source.h" |
12 #include "cc/paint/paint_record.h" | 12 #include "cc/paint/paint_record.h" |
13 #include "cc/trees/layer_tree_host.h" | 13 #include "cc/trees/layer_tree_host.h" |
14 #include "cc/trees/layer_tree_impl.h" | 14 #include "cc/trees/layer_tree_impl.h" |
15 #include "cc/trees/transform_node.h" | 15 #include "cc/trees/transform_node.h" |
16 #include "ui/gfx/geometry/rect_conversions.h" | 16 #include "ui/gfx/geometry/rect_conversions.h" |
17 | 17 |
| 18 static constexpr int kMaxNumberOfSlowPathsBeforeVeto = 5; |
| 19 |
18 namespace cc { | 20 namespace cc { |
19 | 21 |
20 PictureLayer::PictureLayerInputs::PictureLayerInputs() = default; | 22 PictureLayer::PictureLayerInputs::PictureLayerInputs() = default; |
21 | 23 |
22 PictureLayer::PictureLayerInputs::~PictureLayerInputs() = default; | 24 PictureLayer::PictureLayerInputs::~PictureLayerInputs() = default; |
23 | 25 |
24 scoped_refptr<PictureLayer> PictureLayer::Create(ContentLayerClient* client) { | 26 scoped_refptr<PictureLayer> PictureLayer::Create(ContentLayerClient* client) { |
25 return make_scoped_refptr(new PictureLayer(client)); | 27 return make_scoped_refptr(new PictureLayer(client)); |
26 } | 28 } |
27 | 29 |
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181 | 183 |
182 return raster_source->GetFlattenedPicture(); | 184 return raster_source->GetFlattenedPicture(); |
183 } | 185 } |
184 | 186 |
185 bool PictureLayer::IsSuitableForGpuRasterization() const { | 187 bool PictureLayer::IsSuitableForGpuRasterization() const { |
186 // The display list needs to be created (see: UpdateAndExpandInvalidation) | 188 // The display list needs to be created (see: UpdateAndExpandInvalidation) |
187 // before checking for suitability. There are cases where an update will not | 189 // before checking for suitability. There are cases where an update will not |
188 // create a display list (e.g., if the size is empty). We return true in these | 190 // create a display list (e.g., if the size is empty). We return true in these |
189 // cases because the gpu suitability bit sticks false. | 191 // cases because the gpu suitability bit sticks false. |
190 return !picture_layer_inputs_.display_list || | 192 return !picture_layer_inputs_.display_list || |
191 picture_layer_inputs_.display_list->IsSuitableForGpuRasterization(); | 193 picture_layer_inputs_.display_list->NumSlowPaths() <= |
| 194 kMaxNumberOfSlowPathsBeforeVeto; |
192 } | 195 } |
193 | 196 |
194 void PictureLayer::ClearClient() { | 197 void PictureLayer::ClearClient() { |
195 picture_layer_inputs_.client = nullptr; | 198 picture_layer_inputs_.client = nullptr; |
196 UpdateDrawsContent(HasDrawableContent()); | 199 UpdateDrawsContent(HasDrawableContent()); |
197 } | 200 } |
198 | 201 |
199 void PictureLayer::SetNearestNeighbor(bool nearest_neighbor) { | 202 void PictureLayer::SetNearestNeighbor(bool nearest_neighbor) { |
200 if (picture_layer_inputs_.nearest_neighbor == nearest_neighbor) | 203 if (picture_layer_inputs_.nearest_neighbor == nearest_neighbor) |
201 return; | 204 return; |
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283 return false; | 286 return false; |
284 | 287 |
285 return true; | 288 return true; |
286 } | 289 } |
287 | 290 |
288 const DisplayItemList* PictureLayer::GetDisplayItemList() { | 291 const DisplayItemList* PictureLayer::GetDisplayItemList() { |
289 return picture_layer_inputs_.display_list.get(); | 292 return picture_layer_inputs_.display_list.get(); |
290 } | 293 } |
291 | 294 |
292 } // namespace cc | 295 } // namespace cc |
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