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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/skpicture_content_layer_updater.h" | |
6 | |
7 #include "base/debug/trace_event.h" | |
8 #include "cc/layer_painter.h" | |
9 #include "cc/prioritized_resource.h" | |
10 #include "cc/resource_update_queue.h" | |
11 #include "third_party/skia/include/core/SkCanvas.h" | |
12 | |
13 namespace cc { | |
14 | |
15 SkPictureContentLayerUpdater::Resource::Resource( | |
16 SkPictureContentLayerUpdater* updater, | |
17 scoped_ptr<PrioritizedResource> texture) | |
18 : LayerUpdater::Resource(texture.Pass()), updater_(updater) {} | |
19 | |
20 SkPictureContentLayerUpdater::Resource::~Resource() {} | |
21 | |
22 void SkPictureContentLayerUpdater::Resource::Update(ResourceUpdateQueue* queue, | |
23 gfx::Rect source_rect, | |
24 gfx::Vector2d dest_offset, | |
25 bool partial_update, | |
26 RenderingStats*) { | |
27 updater_->UpdateTexture( | |
28 queue, texture(), source_rect, dest_offset, partial_update); | |
29 } | |
30 | |
31 SkPictureContentLayerUpdater::SkPictureContentLayerUpdater( | |
32 scoped_ptr<LayerPainter> painter) | |
33 : ContentLayerUpdater(painter.Pass()), layer_is_opaque_(false) {} | |
34 | |
35 SkPictureContentLayerUpdater::~SkPictureContentLayerUpdater() {} | |
36 | |
37 scoped_refptr<SkPictureContentLayerUpdater> | |
38 SkPictureContentLayerUpdater::Create(scoped_ptr<LayerPainter> painter) { | |
39 return make_scoped_refptr(new SkPictureContentLayerUpdater(painter.Pass())); | |
40 } | |
41 | |
42 scoped_ptr<LayerUpdater::Resource> SkPictureContentLayerUpdater::CreateResource( | |
43 PrioritizedResourceManager* manager) { | |
44 return scoped_ptr<LayerUpdater::Resource>( | |
45 new Resource(this, PrioritizedResource::create(manager))); | |
46 } | |
47 | |
48 void SkPictureContentLayerUpdater::PrepareToUpdate( | |
49 gfx::Rect content_rect, | |
50 gfx::Size, | |
51 float contentsWidthScale, | |
52 float contents_height_scale, | |
53 gfx::Rect* resultingOpaqueRect, | |
54 RenderingStats* stats) { | |
55 SkCanvas* canvas = | |
56 picture_.beginRecording(content_rect.width(), content_rect.height()); | |
57 PaintContents(canvas, | |
58 content_rect, | |
59 contentsWidthScale, | |
60 contents_height_scale, | |
61 resultingOpaqueRect, | |
62 stats); | |
63 picture_.endRecording(); | |
64 } | |
65 | |
66 void SkPictureContentLayerUpdater::DrawPicture(SkCanvas* canvas) { | |
67 TRACE_EVENT0("cc", "SkPictureContentLayerUpdater::drawPicture"); | |
68 canvas->drawPicture(picture_); | |
69 } | |
70 | |
71 void SkPictureContentLayerUpdater::UpdateTexture(ResourceUpdateQueue* queue, | |
72 PrioritizedResource* texture, | |
73 gfx::Rect source_rect, | |
74 gfx::Vector2d dest_offset, | |
75 bool partial_update) { | |
76 ResourceUpdate upload = ResourceUpdate::CreateFromPicture( | |
77 texture, &picture_, content_rect(), source_rect, dest_offset); | |
78 if (partial_update) | |
79 queue->appendPartialUpload(upload); | |
80 else | |
81 queue->appendFullUpload(upload); | |
82 } | |
83 | |
84 void SkPictureContentLayerUpdater::SetOpaque(bool opaque) { | |
85 layer_is_opaque_ = opaque; | |
86 } | |
87 | |
88 } // namespace cc | |
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