Initial import attempt, just to play with. Many things disabled/removed

ui/cc/cc/CCRenderSurface.h

Index: ui/cc/cc/CCRenderSurface.h
diff --git a/ui/cc/cc/CCRenderSurface.h b/ui/cc/cc/CCRenderSurface.h
new file mode 100644
index 0000000000000000000000000000000000000000..029e1f604414ccfeb13058ef4aac81379f9508f4
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+++ b/ui/cc/cc/CCRenderSurface.h
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+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#ifndef CCRenderSurface_h
+#define CCRenderSurface_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "FloatRect.h"
+#include "IntRect.h"
+#include "TextureManager.h"
+#include <public/WebFilterOperations.h>
+#include <public/WebTransformationMatrix.h>
+#include <wtf/Noncopyable.h>
+#include <wtf/text/WTFString.h>
+
+namespace WebCore {
+
+class CCDamageTracker;
+class CCQuadCuller;
+class CCRenderPass;
+class CCSharedQuadState;
+class CCLayerImpl;
+class LayerRendererChromium;
+class ManagedTexture;
+class TextStream;
+
+class CCRenderSurface {
+    WTF_MAKE_NONCOPYABLE(CCRenderSurface);
+public:
+    explicit CCRenderSurface(CCLayerImpl*);
+    virtual ~CCRenderSurface();
+
+    virtual bool prepareContentsTexture(LayerRendererChromium*);
+    void releaseContentsTexture();
+    bool hasValidContentsTexture() const;
+    virtual bool hasCachedContentsTexture() const;
+
+    bool prepareBackgroundTexture(LayerRendererChromium*);
+    void releaseBackgroundTexture();
+    bool hasValidBackgroundTexture() const;
+
+    String name() const;
+    void dumpSurface(TextStream&, int indent) const;
+
+    FloatPoint contentRectCenter() const { return FloatRect(m_contentRect).center(); }
+
+    // Returns the rect that encloses the RenderSurface including any reflection.
+    FloatRect drawableContentRect() const;
+
+    float drawOpacity() const { return m_drawOpacity; }
+    void setDrawOpacity(float opacity) { m_drawOpacity = opacity; }
+
+    void setFilters(const WebKit::WebFilterOperations& filters) { m_filters = filters; }
+    const WebKit::WebFilterOperations& filters() const { return m_filters; }
+
+    void setBackgroundFilters(const WebKit::WebFilterOperations& filters) { m_backgroundFilters = filters; }
+    const WebKit::WebFilterOperations& backgroundFilters() const { return m_backgroundFilters; }
+
+    void setNearestAncestorThatMovesPixels(CCRenderSurface* surface) { m_nearestAncestorThatMovesPixels = surface; }
+    const CCRenderSurface* nearestAncestorThatMovesPixels() const { return m_nearestAncestorThatMovesPixels; }
+
+    bool drawOpacityIsAnimating() const { return m_drawOpacityIsAnimating; }
+    void setDrawOpacityIsAnimating(bool drawOpacityIsAnimating) { m_drawOpacityIsAnimating = drawOpacityIsAnimating; }
+
+    void setDrawTransform(const WebKit::WebTransformationMatrix& drawTransform) { m_drawTransform = drawTransform; }
+    const WebKit::WebTransformationMatrix& drawTransform() const { return m_drawTransform; }
+
+    void setOriginTransform(const WebKit::WebTransformationMatrix& originTransform) { m_originTransform = originTransform; }
+    const WebKit::WebTransformationMatrix& originTransform() const { return m_originTransform; }
+
+    void setScreenSpaceTransform(const WebKit::WebTransformationMatrix& screenSpaceTransform) { m_screenSpaceTransform = screenSpaceTransform; }
+    const WebKit::WebTransformationMatrix& screenSpaceTransform() const { return m_screenSpaceTransform; }
+
+    void setReplicaDrawTransform(const WebKit::WebTransformationMatrix& replicaDrawTransform) { m_replicaDrawTransform = replicaDrawTransform; }
+    const WebKit::WebTransformationMatrix& replicaDrawTransform() const { return m_replicaDrawTransform; }
+
+    void setReplicaOriginTransform(const WebKit::WebTransformationMatrix& replicaOriginTransform) { m_replicaOriginTransform = replicaOriginTransform; }
+    const WebKit::WebTransformationMatrix& replicaOriginTransform() const { return m_replicaOriginTransform; }
+
+    void setReplicaScreenSpaceTransform(const WebKit::WebTransformationMatrix& replicaScreenSpaceTransform) { m_replicaScreenSpaceTransform = replicaScreenSpaceTransform; }
+    const WebKit::WebTransformationMatrix& replicaScreenSpaceTransform() const { return m_replicaScreenSpaceTransform; }
+
+    bool targetSurfaceTransformsAreAnimating() const { return m_targetSurfaceTransformsAreAnimating; }
+    void setTargetSurfaceTransformsAreAnimating(bool animating) { m_targetSurfaceTransformsAreAnimating = animating; }
+    bool screenSpaceTransformsAreAnimating() const { return m_screenSpaceTransformsAreAnimating; }
+    void setScreenSpaceTransformsAreAnimating(bool animating) { m_screenSpaceTransformsAreAnimating = animating; }
+
+    // Usage: this clipRect should not be used if one of the two conditions is true: (a) clipRect() is empty, or (b) owningLayer->parent()->usesLayerClipping() is false.
+    void setClipRect(const IntRect&);
+    const IntRect& clipRect() const { return m_clipRect; }
+
+    void setScissorRect(const IntRect& scissorRect) { m_scissorRect = scissorRect; }
+    const IntRect& scissorRect() const { return m_scissorRect; }
+
+    virtual bool contentsChanged() const;
+
+    void setContentRect(const IntRect&);
+    const IntRect& contentRect() const { return m_contentRect; }
+
+    void clearLayerList() { m_layerList.clear(); }
+    Vector<CCLayerImpl*>& layerList() { return m_layerList; }
+
+    ManagedTexture* contentsTexture() const { return m_contentsTexture.get(); }
+    ManagedTexture* backgroundTexture() const { return m_backgroundTexture.get(); }
+
+    int owningLayerId() const;
+    CCRenderSurface* targetRenderSurface() const;
+
+    bool hasReplica() const;
+
+    bool hasMask() const;
+    bool replicaHasMask() const;
+
+    void resetPropertyChangedFlag() { m_surfacePropertyChanged = false; }
+    bool surfacePropertyChanged() const;
+    bool surfacePropertyChangedOnlyFromDescendant() const;
+
+    CCDamageTracker* damageTracker() const { return m_damageTracker.get(); }
+
+    PassOwnPtr<CCSharedQuadState> createSharedQuadState() const;
+    PassOwnPtr<CCSharedQuadState> createReplicaSharedQuadState() const;
+
+    void appendQuads(CCQuadCuller&, CCSharedQuadState*, bool forReplica, const CCRenderPass*);
+
+    FloatRect computeRootScissorRectInCurrentSurface(const FloatRect& rootScissorRect) const;
+
+private:
+    CCLayerImpl* m_owningLayer;
+
+    // Uses this surface's space.
+    IntRect m_contentRect;
+    bool m_surfacePropertyChanged;
+
+    OwnPtr<ManagedTexture> m_contentsTexture;
+    OwnPtr<ManagedTexture> m_backgroundTexture;
+
+    float m_drawOpacity;
+    bool m_drawOpacityIsAnimating;
+    WebKit::WebTransformationMatrix m_drawTransform;
+    WebKit::WebTransformationMatrix m_originTransform;
+    WebKit::WebTransformationMatrix m_screenSpaceTransform;
+    WebKit::WebTransformationMatrix m_replicaDrawTransform;
+    WebKit::WebTransformationMatrix m_replicaOriginTransform;
+    WebKit::WebTransformationMatrix m_replicaScreenSpaceTransform;
+    bool m_targetSurfaceTransformsAreAnimating;
+    bool m_screenSpaceTransformsAreAnimating;
+    WebKit::WebFilterOperations m_filters;
+    WebKit::WebFilterOperations m_backgroundFilters;
+
+    // Uses the space of the surface's target surface.
+    IntRect m_clipRect;
+
+    // During drawing, identifies the region outside of which nothing should be drawn.
+    // Uses the space of the surface's target surface.
+    IntRect m_scissorRect;
+
+    Vector<CCLayerImpl*> m_layerList;
+
+    // The nearest ancestor target surface that will contain the contents of this surface, and that is going
+    // to move pixels within the surface (such as with a blur). This can point to itself.
+    CCRenderSurface* m_nearestAncestorThatMovesPixels;
+
+    OwnPtr<CCDamageTracker> m_damageTracker;
+
+    // For CCLayerIteratorActions
+    int m_targetRenderSurfaceLayerIndexHistory;
+    int m_currentLayerIndexHistory;
+    friend struct CCLayerIteratorActions;
+};
+
+}
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif