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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 "BitmapCanvasLayerTextureUpdater.h" | |
| 11 | |
| 12 #include "LayerPainterChromium.h" | |
| 13 #include "PlatformColor.h" | |
| 14 #include "skia/ext/platform_canvas.h" | |
| 15 | |
| 16 namespace cc { | |
| 17 | |
| 18 BitmapCanvasLayerTextureUpdater::Texture::Texture(BitmapCanvasLayerTextureUpdate
r* textureUpdater, scoped_ptr<CCPrioritizedTexture> texture) | |
| 19 : LayerTextureUpdater::Texture(texture.Pass()) | |
| 20 , m_textureUpdater(textureUpdater) | |
| 21 { | |
| 22 } | |
| 23 | |
| 24 BitmapCanvasLayerTextureUpdater::Texture::~Texture() | |
| 25 { | |
| 26 } | |
| 27 | |
| 28 void BitmapCanvasLayerTextureUpdater::Texture::updateRect(CCResourceProvider* re
sourceProvider, const IntRect& sourceRect, const IntSize& destOffset) | |
| 29 { | |
| 30 textureUpdater()->updateTextureRect(resourceProvider, texture(), sourceRect,
destOffset); | |
| 31 } | |
| 32 | |
| 33 PassRefPtr<BitmapCanvasLayerTextureUpdater> BitmapCanvasLayerTextureUpdater::cre
ate(PassOwnPtr<LayerPainterChromium> painter) | |
| 34 { | |
| 35 return adoptRef(new BitmapCanvasLayerTextureUpdater(painter)); | |
| 36 } | |
| 37 | |
| 38 BitmapCanvasLayerTextureUpdater::BitmapCanvasLayerTextureUpdater(PassOwnPtr<Laye
rPainterChromium> painter) | |
| 39 : CanvasLayerTextureUpdater(painter) | |
| 40 , m_opaque(false) | |
| 41 { | |
| 42 } | |
| 43 | |
| 44 BitmapCanvasLayerTextureUpdater::~BitmapCanvasLayerTextureUpdater() | |
| 45 { | |
| 46 } | |
| 47 | |
| 48 PassOwnPtr<LayerTextureUpdater::Texture> BitmapCanvasLayerTextureUpdater::create
Texture(CCPrioritizedTextureManager* manager) | |
| 49 { | |
| 50 return adoptPtr(new Texture(this, CCPrioritizedTexture::create(manager))); | |
| 51 } | |
| 52 | |
| 53 LayerTextureUpdater::SampledTexelFormat BitmapCanvasLayerTextureUpdater::sampled
TexelFormat(GC3Denum textureFormat) | |
| 54 { | |
| 55 // The component order may be bgra if we uploaded bgra pixels to rgba textur
es. | |
| 56 return PlatformColor::sameComponentOrder(textureFormat) ? | |
| 57 LayerTextureUpdater::SampledTexelFormatRGBA : LayerTextureUpdater::S
ampledTexelFormatBGRA; | |
| 58 } | |
| 59 | |
| 60 void BitmapCanvasLayerTextureUpdater::prepareToUpdate(const IntRect& contentRect
, const IntSize& tileSize, float contentsWidthScale, float contentsHeightScale,
IntRect& resultingOpaqueRect, CCRenderingStats& stats) | |
| 61 { | |
| 62 if (m_canvasSize != contentRect.size()) { | |
| 63 m_canvasSize = contentRect.size(); | |
| 64 m_canvas = adoptPtr(skia::CreateBitmapCanvas(m_canvasSize.width(), m_can
vasSize.height(), m_opaque)); | |
| 65 } | |
| 66 | |
| 67 paintContents(m_canvas.get(), contentRect, contentsWidthScale, contentsHeigh
tScale, resultingOpaqueRect, stats); | |
| 68 } | |
| 69 | |
| 70 void BitmapCanvasLayerTextureUpdater::updateTextureRect(CCResourceProvider* reso
urceProvider, CCPrioritizedTexture* texture, const IntRect& sourceRect, const In
tSize& destOffset) | |
| 71 { | |
| 72 const SkBitmap& bitmap = m_canvas->getDevice()->accessBitmap(false); | |
| 73 bitmap.lockPixels(); | |
| 74 | |
| 75 texture->upload(resourceProvider, static_cast<const uint8_t*>(bitmap.getPixe
ls()), contentRect(), sourceRect, destOffset); | |
| 76 bitmap.unlockPixels(); | |
| 77 } | |
| 78 | |
| 79 void BitmapCanvasLayerTextureUpdater::setOpaque(bool opaque) | |
| 80 { | |
| 81 if (opaque != m_opaque) { | |
| 82 m_canvas.clear(); | |
| 83 m_canvasSize = IntSize(); | |
| 84 } | |
| 85 m_opaque = opaque; | |
| 86 } | |
| 87 | |
| 88 } // namespace cc | |
| 89 #endif // USE(ACCELERATED_COMPOSITING) | |
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Chromium Code Reviews
Issue 11122003:
[cc] Rename all cc/ filenames to Chromium style (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src