| 1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef FLUTTER_FLOW_LAYERS_DISPLAY_LIST_LAYER_H_ |
| 6 | #define FLUTTER_FLOW_LAYERS_DISPLAY_LIST_LAYER_H_ |
| 7 | |
| 8 | #include <memory> |
| 9 | |
| 10 | #include "flutter/display_list/display_list.h" |
| 11 | #include "flutter/flow/layers/display_list_raster_cache_item.h" |
| 12 | #include "flutter/flow/layers/layer.h" |
| 13 | #include "flutter/flow/raster_cache_item.h" |
| 14 | |
| 15 | namespace flutter { |
| 16 | |
| 17 | class DisplayListLayer : public Layer { |
| 18 | public: |
| 19 | static constexpr size_t kMaxBytesToCompare = 10000; |
| 20 | |
| 21 | DisplayListLayer(const SkPoint& offset, |
| 22 | sk_sp<DisplayList> display_list, |
| 23 | bool is_complex, |
| 24 | bool will_change); |
| 25 | |
| 26 | DisplayList* display_list() const { return display_list_.get(); } |
| 27 | |
| 28 | bool IsReplacing(DiffContext* context, const Layer* layer) const override; |
| 29 | |
| 30 | void Diff(DiffContext* context, const Layer* old_layer) override; |
| 31 | |
| 32 | const DisplayListLayer* as_display_list_layer() const override { |
| 33 | return this; |
| 34 | } |
| 35 | |
| 36 | void Preroll(PrerollContext* frame) override; |
| 37 | |
| 38 | void Paint(PaintContext& context) const override; |
| 39 | |
| 40 | const DisplayListRasterCacheItem* raster_cache_item() const { |
| 41 | return display_list_raster_cache_item_.get(); |
| 42 | } |
| 43 | |
| 44 | RasterCacheKeyID caching_key_id() const override { |
| 45 | return RasterCacheKeyID(display_list()->unique_id(), |
| 46 | RasterCacheKeyType::kDisplayList); |
| 47 | } |
| 48 | |
| 49 | private: |
| 50 | std::unique_ptr<DisplayListRasterCacheItem> display_list_raster_cache_item_; |
| 51 | |
| 52 | SkPoint offset_; |
| 53 | SkRect bounds_; |
| 54 | |
| 55 | sk_sp<DisplayList> display_list_; |
| 56 | |
| 57 | static bool Compare(DiffContext::Statistics& statistics, |
| 58 | const DisplayListLayer* l1, |
| 59 | const DisplayListLayer* l2); |
| 60 | |
| 61 | FML_DISALLOW_COPY_AND_ASSIGN(DisplayListLayer); |
| 62 | }; |
| 63 | |
| 64 | } // namespace flutter |
| 65 | |
| 66 | #endif // FLUTTER_FLOW_LAYERS_DISPLAY_LIST_LAYER_H_ |
| 67 |