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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 | |
6 #include "config.h" | |
7 | |
8 #if USE(ACCELERATED_COMPOSITING) | |
9 | |
10 #include "BitmapSkPictureCanvasLayerTextureUpdater.h" | |
11 | |
12 #include "CCRenderingStats.h" | |
13 #include "LayerPainterChromium.h" | |
14 #include "PlatformColor.h" | |
15 #include "SkCanvas.h" | |
16 #include "SkDevice.h" | |
17 #include <wtf/CurrentTime.h> | |
18 | |
19 namespace cc { | |
20 | |
21 BitmapSkPictureCanvasLayerTextureUpdater::Texture::Texture(BitmapSkPictureCanvas
LayerTextureUpdater* textureUpdater, scoped_ptr<CCPrioritizedTexture> texture) | |
22 : CanvasLayerTextureUpdater::Texture(texture.Pass()) | |
23 , m_textureUpdater(textureUpdater) | |
24 { | |
25 } | |
26 | |
27 void BitmapSkPictureCanvasLayerTextureUpdater::Texture::prepareRect(const IntRec
t& sourceRect, CCRenderingStats& stats) | |
28 { | |
29 m_bitmap.setConfig(SkBitmap::kARGB_8888_Config, sourceRect.width(), sourceRe
ct.height()); | |
30 m_bitmap.allocPixels(); | |
31 m_bitmap.setIsOpaque(m_textureUpdater->layerIsOpaque()); | |
32 SkDevice device(m_bitmap); | |
33 SkCanvas canvas(&device); | |
34 double paintBeginTime = monotonicallyIncreasingTime(); | |
35 textureUpdater()->paintContentsRect(&canvas, sourceRect, stats); | |
36 stats.totalPaintTimeInSeconds += monotonicallyIncreasingTime() - paintBeginT
ime; | |
37 } | |
38 | |
39 void BitmapSkPictureCanvasLayerTextureUpdater::Texture::updateRect(CCResourcePro
vider* resourceProvider, const IntRect& sourceRect, const IntSize& destOffset) | |
40 { | |
41 m_bitmap.lockPixels(); | |
42 texture()->upload(resourceProvider, static_cast<uint8_t*>(m_bitmap.getPixels
()), sourceRect, sourceRect, destOffset); | |
43 m_bitmap.unlockPixels(); | |
44 m_bitmap.reset(); | |
45 } | |
46 | |
47 PassRefPtr<BitmapSkPictureCanvasLayerTextureUpdater> BitmapSkPictureCanvasLayerT
extureUpdater::create(PassOwnPtr<LayerPainterChromium> painter) | |
48 { | |
49 return adoptRef(new BitmapSkPictureCanvasLayerTextureUpdater(painter)); | |
50 } | |
51 | |
52 BitmapSkPictureCanvasLayerTextureUpdater::BitmapSkPictureCanvasLayerTextureUpdat
er(PassOwnPtr<LayerPainterChromium> painter) | |
53 : SkPictureCanvasLayerTextureUpdater(painter) | |
54 { | |
55 } | |
56 | |
57 BitmapSkPictureCanvasLayerTextureUpdater::~BitmapSkPictureCanvasLayerTextureUpda
ter() | |
58 { | |
59 } | |
60 | |
61 PassOwnPtr<LayerTextureUpdater::Texture> BitmapSkPictureCanvasLayerTextureUpdate
r::createTexture(CCPrioritizedTextureManager* manager) | |
62 { | |
63 return adoptPtr(new Texture(this, CCPrioritizedTexture::create(manager))); | |
64 } | |
65 | |
66 LayerTextureUpdater::SampledTexelFormat BitmapSkPictureCanvasLayerTextureUpdater
::sampledTexelFormat(GC3Denum textureFormat) | |
67 { | |
68 // The component order may be bgra if we uploaded bgra pixels to rgba textur
es. | |
69 return PlatformColor::sameComponentOrder(textureFormat) ? | |
70 LayerTextureUpdater::SampledTexelFormatRGBA : LayerTextureUpdater::S
ampledTexelFormatBGRA; | |
71 } | |
72 | |
73 void BitmapSkPictureCanvasLayerTextureUpdater::paintContentsRect(SkCanvas* canva
s, const IntRect& sourceRect, CCRenderingStats& stats) | |
74 { | |
75 // Translate the origin of contentRect to that of sourceRect. | |
76 canvas->translate(contentRect().x() - sourceRect.x(), | |
77 contentRect().y() - sourceRect.y()); | |
78 double rasterizeBeginTime = monotonicallyIncreasingTime(); | |
79 drawPicture(canvas); | |
80 stats.totalRasterizeTimeInSeconds += monotonicallyIncreasingTime() - rasteri
zeBeginTime; | |
81 } | |
82 | |
83 } // namespace cc | |
84 #endif // USE(ACCELERATED_COMPOSITING) | |
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