| // Copyright 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_RESOURCES_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_ |
| #define CC_RESOURCES_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_ |
| |
| #include "cc/resources/skpicture_content_layer_updater.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| |
| namespace cc { |
| |
| // This class records the content_rect into an SkPicture, then software |
| // rasterizes the SkPicture into bitmaps for each tile. This implements |
| // LayerTreeSettingSettings::per_tile_painting_enabled. |
| class BitmapSkPictureContentLayerUpdater : public SkPictureContentLayerUpdater { |
| public: |
| class Resource : public ContentLayerUpdater::Resource { |
| public: |
| Resource(BitmapSkPictureContentLayerUpdater* updater, |
| scoped_ptr<PrioritizedResource> texture); |
| |
| void Update(ResourceUpdateQueue* queue, |
| const gfx::Rect& source_rect, |
| const gfx::Vector2d& dest_offset, |
| bool partial_update) override; |
| |
| private: |
| SkBitmap bitmap_; |
| BitmapSkPictureContentLayerUpdater* updater_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Resource); |
| }; |
| |
| static scoped_refptr<BitmapSkPictureContentLayerUpdater> Create( |
| scoped_ptr<LayerPainter> painter, |
| RenderingStatsInstrumentation* stats_instrumentation, |
| int layer_id); |
| |
| scoped_ptr<LayerUpdater::Resource> CreateResource( |
| PrioritizedResourceManager* manager) override; |
| void PaintContentsRect(SkCanvas* canvas, |
| const gfx::Rect& source_rect); |
| |
| private: |
| BitmapSkPictureContentLayerUpdater( |
| scoped_ptr<LayerPainter> painter, |
| RenderingStatsInstrumentation* stats_instrumentation, |
| int layer_id); |
| ~BitmapSkPictureContentLayerUpdater() override; |
| |
| DISALLOW_COPY_AND_ASSIGN(BitmapSkPictureContentLayerUpdater); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_RESOURCES_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_ |