Delete most of rendering/compositing.

sky/engine/core/rendering/RenderLayer.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 36 matching lines @@
 
 #include "sky/engine/core/rendering/LayerFragment.h"
 #include "sky/engine/core/rendering/LayerPaintingInfo.h"
 #include "sky/engine/core/rendering/RenderBox.h"
 #include "sky/engine/core/rendering/RenderLayerClipper.h"
 #include "sky/engine/core/rendering/RenderLayerFilterInfo.h"
 #include "sky/engine/core/rendering/RenderLayerRepainter.h"
 #include "sky/engine/core/rendering/RenderLayerScrollableArea.h"
 #include "sky/engine/core/rendering/RenderLayerStackingNode.h"
 #include "sky/engine/core/rendering/RenderLayerStackingNodeIterator.h"
+#include "sky/engine/core/rendering/compositing/CompositingState.h"
 #include "sky/engine/platform/graphics/CompositingReasons.h"
 #include "sky/engine/public/platform/WebBlendMode.h"
 #include "sky/engine/wtf/OwnPtr.h"
 
 namespace blink {
 
 class FilterEffectRenderer;
 class FilterOperations;
 class HitTestRequest;
 class HitTestResult;
 class HitTestingTransformState;
-class RenderLayerCompositor;
 class RenderStyle;
 class TransformationMatrix;
 
 enum BorderRadiusClippingRule { IncludeSelfForBorderRadius, DoNotIncludeSelfForBorderRadius };
 enum IncludeSelfOrNot { IncludeSelf, ExcludeSelf };
 
 enum CompositingQueryMode {
     CompositingQueriesAreAllowed,
     CompositingQueriesAreOnlyAllowedInCertainDocumentLifecyclePhases
 };
@@ skipping 50 matching lines @@
         return curr;
     }
 
     LayoutPoint location() const;
     IntSize size() const;
 
     LayoutRect rect() const { return LayoutRect(location(), size()); }
 
     bool isRootLayer() const { return m_isRootLayer; }
 
-    RenderLayerCompositor* compositor() const;
-
     // Notification from the renderer that its content changed (e.g. current frame of image changed).
     // Allows updates of layer content without invalidating paint.
     void contentChanged(ContentChangeType);
 
     void updateLayerPositionsAfterLayout();
 
     void updateTransformationMatrix();
     RenderLayer* renderingContextRoot();
 
     // Our current relative position offset.
@@ skipping 105 matching lines @@
     // FIXME: reflections should force transform-style to be flat in the style: https://bugs.webkit.org/show_bug.cgi?id=106959
     bool shouldPreserve3D() const { return renderer()->style()->transformStyle3D() == TransformStyle3DPreserve3D; }
 
     void filterNeedsPaintInvalidation();
     bool hasFilter() const { return renderer()->hasFilter(); }
 
     void* operator new(size_t);
     // Only safe to call from RenderLayerModelObject::destroyLayer()
     void operator delete(void*);
 
-    CompositingState compositingState() const;
-
-    // This returns true if our document is in a phase of its lifestyle during which
-    // compositing state may legally be read.
-    bool isAllowedToQueryCompositingState() const;
+    // FIXME(sky): Remove
+    CompositingState compositingState() const { return NotComposited; }
 
     GraphicsLayer* graphicsLayerBacking() const;
 
     bool hasCompositedMask() const;
     bool hasCompositedClippingMask() const;
     bool needsCompositedScrolling() const { return m_scrollableArea && m_scrollableArea->needsCompositedScrolling(); }
 
     bool clipsCompositingDescendantsWithBorderRadius() const;
 
     // Computes the position of the given render object in the space of |paintInvalidationContainer|.
@@ skipping 139 matching lines @@
     bool needsCompositingInputsUpdate() const
     {
         // While we're updating the compositing inputs, these values may differ.
         // We should never be asking for this value when that is the case.
         ASSERT(m_needsDescendantDependentCompositingInputsUpdate == m_needsAncestorDependentCompositingInputsUpdate);
         return m_needsDescendantDependentCompositingInputsUpdate;
     }
 
     void updateAncestorDependentCompositingInputs(const AncestorDependentCompositingInputs&);
     void updateDescendantDependentCompositingInputs(const DescendantDependentCompositingInputs&);
-    void didUpdateCompositingInputs();
 
     const AncestorDependentCompositingInputs& ancestorDependentCompositingInputs() const { ASSERT(!m_needsAncestorDependentCompositingInputsUpdate); return m_ancestorDependentCompositingInputs; }
     const DescendantDependentCompositingInputs& descendantDependentCompositingInputs() const { ASSERT(!m_needsDescendantDependentCompositingInputsUpdate); return m_descendantDependentCompositingInputs; }
 
     IntRect clippedAbsoluteBoundingBox() const { return ancestorDependentCompositingInputs().clippedAbsoluteBoundingBox; }
     const RenderLayer* opacityAncestor() const { return ancestorDependentCompositingInputs().opacityAncestor; }
     const RenderLayer* transformAncestor() const { return ancestorDependentCompositingInputs().transformAncestor; }
     const RenderLayer* filterAncestor() const { return ancestorDependentCompositingInputs().filterAncestor; }
     const RenderObject* clippingContainer() const { return ancestorDependentCompositingInputs().clippingContainer; }
     const RenderLayer* ancestorScrollingLayer() const { return ancestorDependentCompositingInputs().ancestorScrollingLayer; }
     RenderLayer* scrollParent() const { return const_cast<RenderLayer*>(ancestorDependentCompositingInputs().scrollParent); }
     RenderLayer* clipParent() const { return const_cast<RenderLayer*>(ancestorDependentCompositingInputs().clipParent); }
     bool isUnclippedDescendant() const { return ancestorDependentCompositingInputs().isUnclippedDescendant; }
     bool hasAncestorWithClipPath() const { return ancestorDependentCompositingInputs().hasAncestorWithClipPath; }
     bool hasDescendantWithClipPath() const { return descendantDependentCompositingInputs().hasDescendantWithClipPath; }
 
-    bool lostGroupedMapping() const { ASSERT(isAllowedToQueryCompositingState()); return m_lostGroupedMapping; }
+    bool lostGroupedMapping() const { return m_lostGroupedMapping; }
     void setLostGroupedMapping(bool b) { m_lostGroupedMapping = b; }
 
-    CompositingReasons compositingReasons() const { ASSERT(isAllowedToQueryCompositingState()); return m_compositingReasons; }
+    CompositingReasons compositingReasons() const { return m_compositingReasons; }
     void setCompositingReasons(CompositingReasons, CompositingReasons mask = CompositingReasonAll);
 
-    bool hasCompositingDescendant() const { ASSERT(isAllowedToQueryCompositingState()); return m_hasCompositingDescendant; }
+    bool hasCompositingDescendant() const { return m_hasCompositingDescendant; }
     void setHasCompositingDescendant(bool);
 
     void updateOrRemoveFilterEffectRenderer();
 
     void updateSelfPaintingLayer();
 
     // paintLayerContents() assumes that the caller will clip to the bounds of the painting dirty rect if necessary.
     void paintLayerContents(GraphicsContext*, const LayerPaintingInfo&, PaintLayerFlags);
 
     RenderLayer* enclosingTransformedAncestor() const;
@@ skipping 81 matching lines @@
 
     // FIXME: We should only create the stacking node if needed.
     bool requiresStackingNode() const { return true; }
     void updateStackingNode();
 
     // FIXME: We could lazily allocate our ScrollableArea based on style properties ('overflow', ...)
     // but for now, we are always allocating it for RenderBox as it's safer.
     bool requiresScrollableArea() const { return renderBox(); }
     void updateScrollableArea();
 
-    bool attemptDirectCompositingUpdate(StyleDifference, const RenderStyle* oldStyle);
     void updateTransform(const RenderStyle* oldStyle, RenderStyle* newStyle);
 
     void dirty3DTransformedDescendantStatus();
     // Both updates the status, and returns true if descendants of this have 3d.
     bool update3DTransformedDescendantStatus();
 
     void updateOrRemoveFilterClients();
 
     LayoutRect paintingExtent(const RenderLayer* rootLayer, const LayoutRect& paintDirtyRect, const LayoutSize& subPixelAccumulation, PaintBehavior);
 
@@ skipping 71 matching lines @@
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLayerTree(const blink::RenderLayer*);
 void showLayerTree(const blink::RenderObject*);
 #endif
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDERLAYER_H_