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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef TiledLayerChromium_h |
| 6 #define TiledLayerChromium_h |
| 7 |
| 8 #if USE(ACCELERATED_COMPOSITING) |
| 9 |
| 10 #include "CCLayerTilingData.h" |
| 11 #include "LayerChromium.h" |
| 12 #include "LayerTextureUpdater.h" |
| 13 |
| 14 namespace cc { |
| 15 class UpdatableTile; |
| 16 |
| 17 class TiledLayerChromium : public LayerChromium { |
| 18 public: |
| 19 enum TilingOption { AlwaysTile, NeverTile, AutoTile }; |
| 20 |
| 21 virtual void setIsMask(bool) OVERRIDE; |
| 22 |
| 23 virtual void pushPropertiesTo(CCLayerImpl*) OVERRIDE; |
| 24 |
| 25 virtual bool drawsContent() const OVERRIDE; |
| 26 virtual bool needsContentsScale() const OVERRIDE; |
| 27 |
| 28 virtual IntSize contentBounds() const OVERRIDE; |
| 29 |
| 30 virtual void setNeedsDisplayRect(const FloatRect&) OVERRIDE; |
| 31 |
| 32 virtual void setUseLCDText(bool) OVERRIDE; |
| 33 |
| 34 virtual void setLayerTreeHost(CCLayerTreeHost*) OVERRIDE; |
| 35 |
| 36 virtual void setTexturePriorities(const CCPriorityCalculator&) OVERRIDE; |
| 37 |
| 38 virtual Region visibleContentOpaqueRegion() const OVERRIDE; |
| 39 |
| 40 virtual void update(CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRend
eringStats&) OVERRIDE; |
| 41 |
| 42 protected: |
| 43 TiledLayerChromium(); |
| 44 virtual ~TiledLayerChromium(); |
| 45 |
| 46 void updateTileSizeAndTilingOption(); |
| 47 void updateBounds(); |
| 48 |
| 49 // Exposed to subclasses for testing. |
| 50 void setTileSize(const IntSize&); |
| 51 void setTextureFormat(GC3Denum textureFormat) { m_textureFormat = textureFor
mat; } |
| 52 void setBorderTexelOption(CCLayerTilingData::BorderTexelOption); |
| 53 void setSampledTexelFormat(LayerTextureUpdater::SampledTexelFormat sampledTe
xelFormat) { m_sampledTexelFormat = sampledTexelFormat; } |
| 54 size_t numPaintedTiles() { return m_tiler->tiles().size(); } |
| 55 |
| 56 virtual LayerTextureUpdater* textureUpdater() const = 0; |
| 57 virtual void createTextureUpdaterIfNeeded() = 0; |
| 58 |
| 59 // Set invalidations to be potentially repainted during update(). |
| 60 void invalidateContentRect(const IntRect& contentRect); |
| 61 |
| 62 // Reset state on tiles that will be used for updating the layer. |
| 63 void resetUpdateState(); |
| 64 |
| 65 // After preparing an update, returns true if more painting is needed. |
| 66 bool needsIdlePaint(); |
| 67 IntRect idlePaintRect(); |
| 68 |
| 69 bool skipsDraw() const { return m_skipsDraw; } |
| 70 |
| 71 // Virtual for testing |
| 72 virtual CCPrioritizedTextureManager* textureManager() const; |
| 73 |
| 74 private: |
| 75 virtual scoped_ptr<CCLayerImpl> createCCLayerImpl() OVERRIDE; |
| 76 |
| 77 void createTilerIfNeeded(); |
| 78 void setTilingOption(TilingOption); |
| 79 |
| 80 bool tileOnlyNeedsPartialUpdate(UpdatableTile*); |
| 81 bool tileNeedsBufferedUpdate(UpdatableTile*); |
| 82 |
| 83 void markOcclusionsAndRequestTextures(int left, int top, int right, int bott
om, const CCOcclusionTracker*); |
| 84 |
| 85 bool updateTiles(int left, int top, int right, int bottom, CCTextureUpdateQu
eue&, const CCOcclusionTracker*, CCRenderingStats&, bool& didPaint); |
| 86 bool haveTexturesForTiles(int left, int top, int right, int bottom, bool ign
oreOcclusions); |
| 87 IntRect markTilesForUpdate(int left, int top, int right, int bottom, bool ig
noreOcclusions); |
| 88 void updateTileTextures(const IntRect& paintRect, int left, int top, int rig
ht, int bottom, CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRenderingSta
ts&); |
| 89 |
| 90 UpdatableTile* tileAt(int, int) const; |
| 91 UpdatableTile* createTile(int, int); |
| 92 |
| 93 GC3Denum m_textureFormat; |
| 94 bool m_skipsDraw; |
| 95 bool m_failedUpdate; |
| 96 LayerTextureUpdater::SampledTexelFormat m_sampledTexelFormat; |
| 97 |
| 98 TilingOption m_tilingOption; |
| 99 OwnPtr<CCLayerTilingData> m_tiler; |
| 100 }; |
| 101 |
| 102 } |
| 103 #endif // USE(ACCELERATED_COMPOSITING) |
| 104 |
| 105 #endif |
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