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1 // Copyright 2011 The Chromium 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 #include "cc/bitmap_skpicture_content_layer_updater.h" | |
6 | |
7 #include "base/time.h" | |
8 #include "cc/debug/rendering_stats.h" | |
9 #include "cc/layer_painter.h" | |
10 #include "cc/prioritized_resource.h" | |
11 #include "cc/resource_update_queue.h" | |
12 #include "third_party/skia/include/core/SkCanvas.h" | |
13 #include "third_party/skia/include/core/SkDevice.h" | |
14 | |
15 namespace cc { | |
16 | |
17 BitmapSkPictureContentLayerUpdater::Resource::Resource( | |
18 BitmapSkPictureContentLayerUpdater* updater, | |
19 scoped_ptr<PrioritizedResource> texture) | |
20 : ContentLayerUpdater::Resource(texture.Pass()), updater_(updater) {} | |
21 | |
22 void BitmapSkPictureContentLayerUpdater::Resource::Update( | |
23 ResourceUpdateQueue* queue, | |
24 gfx::Rect source_rect, | |
25 gfx::Vector2d dest_offset, | |
26 bool partial_update, | |
27 RenderingStats* stats) { | |
28 bitmap_.setConfig( | |
29 SkBitmap::kARGB_8888_Config, source_rect.width(), source_rect.height()); | |
30 bitmap_.allocPixels(); | |
31 bitmap_.setIsOpaque(updater_->layer_is_opaque()); | |
32 SkDevice device(bitmap_); | |
33 SkCanvas canvas(&device); | |
34 base::TimeTicks paint_begin_time; | |
35 if (stats) | |
36 paint_begin_time = base::TimeTicks::Now(); | |
37 updater_->PaintContentsRect(&canvas, source_rect, stats); | |
38 if (stats) | |
39 stats->totalPaintTime += base::TimeTicks::Now() - paint_begin_time; | |
40 | |
41 ResourceUpdate upload = ResourceUpdate::Create( | |
42 texture(), &bitmap_, source_rect, source_rect, dest_offset); | |
43 if (partial_update) | |
44 queue->appendPartialUpload(upload); | |
45 else | |
46 queue->appendFullUpload(upload); | |
47 } | |
48 | |
49 scoped_refptr<BitmapSkPictureContentLayerUpdater> | |
50 BitmapSkPictureContentLayerUpdater::Create(scoped_ptr<LayerPainter> painter) { | |
51 return make_scoped_refptr( | |
52 new BitmapSkPictureContentLayerUpdater(painter.Pass())); | |
53 } | |
54 | |
55 BitmapSkPictureContentLayerUpdater::BitmapSkPictureContentLayerUpdater( | |
56 scoped_ptr<LayerPainter> painter) | |
57 : SkPictureContentLayerUpdater(painter.Pass()) {} | |
58 | |
59 BitmapSkPictureContentLayerUpdater::~BitmapSkPictureContentLayerUpdater() {} | |
60 | |
61 scoped_ptr<LayerUpdater::Resource> | |
62 BitmapSkPictureContentLayerUpdater::CreateResource( | |
63 PrioritizedResourceManager* manager) { | |
64 return scoped_ptr<LayerUpdater::Resource>( | |
65 new Resource(this, PrioritizedResource::create(manager))); | |
66 } | |
67 | |
68 void BitmapSkPictureContentLayerUpdater::PaintContentsRect( | |
69 SkCanvas* canvas, | |
70 gfx::Rect source_rect, | |
71 RenderingStats* stats) { | |
72 // Translate the origin of content_rect to that of source_rect. | |
73 canvas->translate(content_rect().x() - source_rect.x(), | |
74 content_rect().y() - source_rect.y()); | |
75 base::TimeTicks rasterize_begin_time; | |
76 if (stats) | |
77 rasterize_begin_time = base::TimeTicks::Now(); | |
78 DrawPicture(canvas); | |
79 if (stats) { | |
80 stats->totalRasterizeTime += base::TimeTicks::Now() - rasterize_begin_time; | |
81 stats->totalPixelsRasterized += source_rect.width() * source_rect.height(); | |
82 } | |
83 } | |
84 | |
85 } // namespace cc | |
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