Index: cc/tiled_layer.h |
diff --git a/cc/tiled_layer.h b/cc/tiled_layer.h |
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..3c273821613c37dab1635f47aba88e833a7c13bd 100644 |
--- a/cc/tiled_layer.h |
+++ b/cc/tiled_layer.h |
@@ -1,3 +1,105 @@ |
-// Copyright 2012 The Chromium Authors. All rights reserved. |
+// Copyright 2011 The Chromium Authors. All rights reserved. |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
+ |
+#ifndef TiledLayerChromium_h |
+#define TiledLayerChromium_h |
+ |
+#if USE(ACCELERATED_COMPOSITING) |
+ |
+#include "CCLayerTilingData.h" |
+#include "LayerChromium.h" |
+#include "LayerTextureUpdater.h" |
+ |
+namespace cc { |
+class UpdatableTile; |
+ |
+class TiledLayerChromium : public LayerChromium { |
+public: |
+ enum TilingOption { AlwaysTile, NeverTile, AutoTile }; |
+ |
+ virtual void setIsMask(bool) OVERRIDE; |
+ |
+ virtual void pushPropertiesTo(CCLayerImpl*) OVERRIDE; |
+ |
+ virtual bool drawsContent() const OVERRIDE; |
+ virtual bool needsContentsScale() const OVERRIDE; |
+ |
+ virtual IntSize contentBounds() const OVERRIDE; |
+ |
+ virtual void setNeedsDisplayRect(const FloatRect&) OVERRIDE; |
+ |
+ virtual void setUseLCDText(bool) OVERRIDE; |
+ |
+ virtual void setLayerTreeHost(CCLayerTreeHost*) OVERRIDE; |
+ |
+ virtual void setTexturePriorities(const CCPriorityCalculator&) OVERRIDE; |
+ |
+ virtual Region visibleContentOpaqueRegion() const OVERRIDE; |
+ |
+ virtual void update(CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRenderingStats&) OVERRIDE; |
+ |
+protected: |
+ TiledLayerChromium(); |
+ virtual ~TiledLayerChromium(); |
+ |
+ void updateTileSizeAndTilingOption(); |
+ void updateBounds(); |
+ |
+ // Exposed to subclasses for testing. |
+ void setTileSize(const IntSize&); |
+ void setTextureFormat(GC3Denum textureFormat) { m_textureFormat = textureFormat; } |
+ void setBorderTexelOption(CCLayerTilingData::BorderTexelOption); |
+ void setSampledTexelFormat(LayerTextureUpdater::SampledTexelFormat sampledTexelFormat) { m_sampledTexelFormat = sampledTexelFormat; } |
+ size_t numPaintedTiles() { return m_tiler->tiles().size(); } |
+ |
+ virtual LayerTextureUpdater* textureUpdater() const = 0; |
+ virtual void createTextureUpdaterIfNeeded() = 0; |
+ |
+ // Set invalidations to be potentially repainted during update(). |
+ void invalidateContentRect(const IntRect& contentRect); |
+ |
+ // Reset state on tiles that will be used for updating the layer. |
+ void resetUpdateState(); |
+ |
+ // After preparing an update, returns true if more painting is needed. |
+ bool needsIdlePaint(); |
+ IntRect idlePaintRect(); |
+ |
+ bool skipsDraw() const { return m_skipsDraw; } |
+ |
+ // Virtual for testing |
+ virtual CCPrioritizedTextureManager* textureManager() const; |
+ |
+private: |
+ virtual scoped_ptr<CCLayerImpl> createCCLayerImpl() OVERRIDE; |
+ |
+ void createTilerIfNeeded(); |
+ void setTilingOption(TilingOption); |
+ |
+ bool tileOnlyNeedsPartialUpdate(UpdatableTile*); |
+ bool tileNeedsBufferedUpdate(UpdatableTile*); |
+ |
+ void markOcclusionsAndRequestTextures(int left, int top, int right, int bottom, const CCOcclusionTracker*); |
+ |
+ bool updateTiles(int left, int top, int right, int bottom, CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRenderingStats&, bool& didPaint); |
+ bool haveTexturesForTiles(int left, int top, int right, int bottom, bool ignoreOcclusions); |
+ IntRect markTilesForUpdate(int left, int top, int right, int bottom, bool ignoreOcclusions); |
+ void updateTileTextures(const IntRect& paintRect, int left, int top, int right, int bottom, CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRenderingStats&); |
+ |
+ UpdatableTile* tileAt(int, int) const; |
+ UpdatableTile* createTile(int, int); |
+ |
+ GC3Denum m_textureFormat; |
+ bool m_skipsDraw; |
+ bool m_failedUpdate; |
+ LayerTextureUpdater::SampledTexelFormat m_sampledTexelFormat; |
+ |
+ TilingOption m_tilingOption; |
+ OwnPtr<CCLayerTilingData> m_tiler; |
+}; |
+ |
+} |
+#endif // USE(ACCELERATED_COMPOSITING) |
+ |
+#endif |