Mark layers that can use LCD text based on layer transform and opacity.

cc/layer.h

 // Copyright 2010 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 CC_LAYER_H_
 #define CC_LAYER_H_
 
 #include "base/memory/ref_counted.h"
 #include "cc/cc_export.h"
 #include "cc/layer_animation_controller.h"
@@ skipping 155 matching lines @@
 
     void setDoubleSided(bool);
     bool doubleSided() const { return m_doubleSided; }
 
     void setPreserves3D(bool preserve3D) { m_preserves3D = preserve3D; }
     bool preserves3D() const { return m_preserves3D; }
 
     void setUseParentBackfaceVisibility(bool useParentBackfaceVisibility) { m_useParentBackfaceVisibility = useParentBackfaceVisibility; }
     bool useParentBackfaceVisibility() const { return m_useParentBackfaceVisibility; }
 
-    virtual void setUseLCDText(bool);
-    bool useLCDText() const { return m_useLCDText; }
+    virtual void setCanUseLCDText(bool);
+    bool canUseLCDText() const { return m_canUseLCDText; }
 
     virtual void setLayerTreeHost(LayerTreeHost*);
 
     bool hasContributingDelegatedRenderPasses() const { return false; }
 
     void setIsDrawable(bool);
 
     void setReplicaLayer(Layer*);
     Layer* replicaLayer() const { return m_replicaLayer.get(); }
 
@@ skipping 16 matching lines @@
 
     void clearRenderSurface() { m_renderSurface.reset(); }
     RenderSurface* renderSurface() const { return m_renderSurface.get(); }
     void createRenderSurface();
 
     float drawOpacity() const { return m_drawOpacity; }
     void setDrawOpacity(float opacity) { m_drawOpacity = opacity; }
 
     bool drawOpacityIsAnimating() const { return m_drawOpacityIsAnimating; }
     void setDrawOpacityIsAnimating(bool drawOpacityIsAnimating) { m_drawOpacityIsAnimating = drawOpacityIsAnimating; }
+    bool screenSpaceOpacityIsAnimating() const { return m_screenSpaceOpacityIsAnimating; }
+    void setScreenSpaceOpacityIsAnimating(bool animating) { m_screenSpaceOpacityIsAnimating = animating; }
 
     Layer* renderTarget() const { DCHECK(!m_renderTarget || m_renderTarget->renderSurface()); return m_renderTarget; }
     void setRenderTarget(Layer* target) { m_renderTarget = target; }
 
     bool drawTransformIsAnimating() const { return m_drawTransformIsAnimating; }
     void setDrawTransformIsAnimating(bool animating) { m_drawTransformIsAnimating = animating; }
     bool screenSpaceTransformIsAnimating() const { return m_screenSpaceTransformIsAnimating; }
     void setScreenSpaceTransformIsAnimating(bool animating) { m_screenSpaceTransformIsAnimating = animating; }
 
     // This moves from layer space, with origin in the center to target space with origin in the top left.
@@ skipping 142 matching lines @@
     SkImageFilter* m_filter;
     WebKit::WebFilterOperations m_filters;
     WebKit::WebFilterOperations m_backgroundFilters;
     float m_anchorPointZ;
     bool m_isContainerForFixedPositionLayers;
     bool m_fixedToContainerLayer;
     bool m_isDrawable;
     bool m_masksToBounds;
     bool m_contentsOpaque;
     bool m_doubleSided;
-    bool m_useLCDText;
+    bool m_canUseLCDText;
     bool m_preserves3D;
     bool m_useParentBackfaceVisibility;
     bool m_drawCheckerboardForMissingTiles;
     bool m_forceRenderSurface;
 
     WebKit::WebTransformationMatrix m_transform;
     WebKit::WebTransformationMatrix m_sublayerTransform;
 
     // Replica layer used for reflections.
     scoped_refptr<Layer> m_replicaLayer;
 
     // Transient properties.
     scoped_ptr<RenderSurface> m_renderSurface;
     float m_drawOpacity;
     bool m_drawOpacityIsAnimating;
+    bool m_screenSpaceOpacityIsAnimating;
 
     Layer* m_renderTarget;
 
     WebKit::WebTransformationMatrix m_drawTransform;
     WebKit::WebTransformationMatrix m_screenSpaceTransform;
     bool m_drawTransformIsAnimating;
     bool m_screenSpaceTransformIsAnimating;
 
     // Uses target surface space.
     gfx::Rect m_drawableContentRect;
     float m_rasterScale;
     bool m_automaticallyComputeRasterScale;
     bool m_boundsContainPageScale;
 
     WebKit::WebTransformationMatrix m_implTransform;
 
     WebKit::WebAnimationDelegate* m_layerAnimationDelegate;
     WebKit::WebLayerScrollClient* m_layerScrollClient;
 };
 
 void sortLayers(std::vector<scoped_refptr<Layer> >::iterator, std::vector<scoped_refptr<Layer> >::iterator, void*);
 
 }  // namespace cc
 
 #endif  // CC_LAYER_H_