Add a way to update GraphicsLayerCA visibleRects without having to do a flush
[WebKit-https.git] / Source / WebCore / platform / graphics / TiledBacking.h
index ffa9ba9..2e66f60 100644 (file)
@@ -46,6 +46,7 @@ public:
 
     virtual void setVisibleRect(const FloatRect&) = 0;
     virtual FloatRect visibleRect() const = 0;
+    virtual bool tilesWouldChangeForVisibleRect(const FloatRect&) const = 0;
 
     virtual void setExposedRect(const FloatRect&) = 0;
     virtual void setClipsToExposedRect(bool) = 0;