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// Copyright 2011 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 CCRenderPass_h
#define CCRenderPass_h
#include "CCDrawQuad.h"
#include "CCOcclusionTracker.h"
#include "CCSharedQuadState.h"
#include "SkColor.h"
#include <public/WebFilterOperations.h>
#include <public/WebTransformationMatrix.h>
#include <wtf/HashMap.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class CCLayerImpl;
class CCRenderSurface;
struct CCAppendQuadsData;
// A list of CCDrawQuad objects, sorted internally in front-to-back order.
class CCQuadList : public Vector<OwnPtr<CCDrawQuad> > {
public:
typedef reverse_iterator backToFrontIterator;
typedef const_reverse_iterator constBackToFrontIterator;
inline backToFrontIterator backToFrontBegin() { return rbegin(); }
inline backToFrontIterator backToFrontEnd() { return rend(); }
inline constBackToFrontIterator backToFrontBegin() const { return rbegin(); }
inline constBackToFrontIterator backToFrontEnd() const { return rend(); }
};
typedef Vector<OwnPtr<CCSharedQuadState> > CCSharedQuadStateList;
class CCRenderPass {
WTF_MAKE_NONCOPYABLE(CCRenderPass);
public:
static PassOwnPtr<CCRenderPass> create(int id, IntRect outputRect, const WebKit::WebTransformationMatrix& transformToRootTarget);
void appendQuadsForLayer(CCLayerImpl*, CCOcclusionTrackerImpl*, CCAppendQuadsData&);
void appendQuadsForRenderSurfaceLayer(CCLayerImpl*, const CCRenderPass* contributingRenderPass, CCOcclusionTrackerImpl*, CCAppendQuadsData&);
void appendQuadsToFillScreen(CCLayerImpl* rootLayer, SkColor screenBackgroundColor, const CCOcclusionTrackerImpl&);
const CCQuadList& quadList() const { return m_quadList; }
int id() const { return m_id; }
// FIXME: Modify this transform when merging the RenderPass into a parent compositor.
// Transforms from quad's original content space to the root target's content space.
const WebKit::WebTransformationMatrix& transformToRootTarget() const { return m_transformToRootTarget; }
// This denotes the bounds in physical pixels of the output generated by this RenderPass.
const IntRect& outputRect() const { return m_outputRect; }
FloatRect damageRect() const { return m_damageRect; }
void setDamageRect(FloatRect rect) { m_damageRect = rect; }
const WebKit::WebFilterOperations& filters() const { return m_filters; }
void setFilters(const WebKit::WebFilterOperations& filters) { m_filters = filters; }
const WebKit::WebFilterOperations& backgroundFilters() const { return m_backgroundFilters; }
void setBackgroundFilters(const WebKit::WebFilterOperations& filters) { m_backgroundFilters = filters; }
bool hasTransparentBackground() const { return m_hasTransparentBackground; }
void setHasTransparentBackground(bool transparent) { m_hasTransparentBackground = transparent; }
bool hasOcclusionFromOutsideTargetSurface() const { return m_hasOcclusionFromOutsideTargetSurface; }
void setHasOcclusionFromOutsideTargetSurface(bool hasOcclusionFromOutsideTargetSurface) { m_hasOcclusionFromOutsideTargetSurface = hasOcclusionFromOutsideTargetSurface; }
protected:
CCRenderPass(int id, IntRect outputRect, const WebKit::WebTransformationMatrix& transformToRootTarget);
int m_id;
CCQuadList m_quadList;
CCSharedQuadStateList m_sharedQuadStateList;
WebKit::WebTransformationMatrix m_transformToRootTarget;
IntRect m_outputRect;
FloatRect m_damageRect;
bool m_hasTransparentBackground;
bool m_hasOcclusionFromOutsideTargetSurface;
WebKit::WebFilterOperations m_filters;
WebKit::WebFilterOperations m_backgroundFilters;
};
typedef Vector<CCRenderPass*> CCRenderPassList;
typedef HashMap<int, OwnPtr<CCRenderPass> > CCRenderPassIdHashMap;
}
#endif
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