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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 "cc/CCSharedQuadState.h"
#include <public/WebTransformationMatrix.h>
#include <wtf/Noncopyable.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class CCDamageTracker;
class CCQuadSink;
class CCRenderPass;
class CCLayerImpl;
class LayerRendererChromium;
class TextStream;
class CCRenderSurface {
WTF_MAKE_NONCOPYABLE(CCRenderSurface);
public:
explicit CCRenderSurface(CCLayerImpl*);
virtual ~CCRenderSurface();
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 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 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 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; }
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; }
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; }
int owningLayerId() const;
void resetPropertyChangedFlag() { m_surfacePropertyChanged = false; }
bool surfacePropertyChanged() const;
bool surfacePropertyChangedOnlyFromDescendant() const;
CCDamageTracker* damageTracker() const { return m_damageTracker.get(); }
PassOwnPtr<CCSharedQuadState> createSharedQuadState(int id) const;
PassOwnPtr<CCSharedQuadState> createReplicaSharedQuadState(int id) const;
void appendQuads(CCQuadSink&, CCSharedQuadState*, bool forReplica, int renderPassId);
FloatRect computeRootScissorRectInCurrentSurface(const FloatRect& rootScissorRect) const;
private:
CCLayerImpl* m_owningLayer;
// Uses this surface's space.
IntRect m_contentRect;
bool m_surfacePropertyChanged;
float m_drawOpacity;
bool m_drawOpacityIsAnimating;
WebKit::WebTransformationMatrix m_drawTransform;
WebKit::WebTransformationMatrix m_screenSpaceTransform;
WebKit::WebTransformationMatrix m_replicaDrawTransform;
WebKit::WebTransformationMatrix m_replicaScreenSpaceTransform;
bool m_targetSurfaceTransformsAreAnimating;
bool m_screenSpaceTransformsAreAnimating;
// 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
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