1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/*
* 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 "ProgramBinding.h"
#include "ShaderChromium.h"
#include "TextureManager.h"
#include "TransformationMatrix.h"
#include "cc/CCLayerQuad.h"
#include <wtf/Noncopyable.h>
namespace WebCore {
class CCDamageTracker;
class CCLayerImpl;
class LayerRendererChromium;
class ManagedTexture;
class CCRenderSurface {
WTF_MAKE_NONCOPYABLE(CCRenderSurface);
public:
explicit CCRenderSurface(CCLayerImpl*);
~CCRenderSurface();
bool prepareContentsTexture(LayerRendererChromium*);
void releaseContentsTexture();
void cleanupResources();
void draw(LayerRendererChromium*, const FloatRect& surfaceDamageRect);
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 setDrawTransform(const TransformationMatrix& drawTransform) { m_drawTransform = drawTransform; }
const TransformationMatrix& drawTransform() const { return m_drawTransform; }
void setReplicaDrawTransform(const TransformationMatrix& replicaDrawTransform) { m_replicaDrawTransform = replicaDrawTransform; }
const TransformationMatrix& replicaDrawTransform() const { return m_replicaDrawTransform; }
void setOriginTransform(const TransformationMatrix& originTransform) { m_originTransform = originTransform; }
const TransformationMatrix& originTransform() const { return m_originTransform; }
void setClipRect(const IntRect&);
const IntRect& clipRect() const { return m_clipRect; }
void setContentRect(const IntRect&);
const IntRect& contentRect() const { return m_contentRect; }
void setSkipsDraw(bool skipsDraw) { m_skipsDraw = skipsDraw; }
bool skipsDraw() const { return m_skipsDraw; }
void clearLayerList() { m_layerList.clear(); }
Vector<RefPtr<CCLayerImpl> >& layerList() { return m_layerList; }
void setMaskLayer(CCLayerImpl* maskLayer) { m_maskLayer = maskLayer; }
typedef ProgramBinding<VertexShaderPosTex, FragmentShaderRGBATexAlpha> Program;
typedef ProgramBinding<VertexShaderPosTex, FragmentShaderRGBATexAlphaMask> MaskProgram;
typedef ProgramBinding<VertexShaderQuad, FragmentShaderRGBATexAlphaAA> ProgramAA;
typedef ProgramBinding<VertexShaderQuad, FragmentShaderRGBATexAlphaMaskAA> MaskProgramAA;
ManagedTexture* contentsTexture() const { return m_contentsTexture.get(); }
int owningLayerId() const;
void resetPropertyChangedFlag() { m_surfacePropertyChanged = false; }
bool surfacePropertyChanged() const;
bool surfacePropertyChangedOnlyFromDescendant() const;
CCDamageTracker* damageTracker() const { return m_damageTracker.get(); }
private:
void drawLayer(LayerRendererChromium*, CCLayerImpl*, const TransformationMatrix&);
template <class T>
void drawSurface(LayerRendererChromium*, CCLayerImpl*, const TransformationMatrix& drawTransform, const TransformationMatrix& deviceTransform, const CCLayerQuad& deviceRect, const CCLayerQuad&, const T* program, int shaderMaskSamplerLocation, int shaderQuadLocation, int shaderEdgeLocation);
CCLayerImpl* m_owningLayer;
CCLayerImpl* m_maskLayer;
IntRect m_contentRect;
bool m_skipsDraw;
bool m_surfacePropertyChanged;
OwnPtr<ManagedTexture> m_contentsTexture;
float m_drawOpacity;
TransformationMatrix m_drawTransform;
TransformationMatrix m_replicaDrawTransform;
TransformationMatrix m_originTransform;
IntRect m_clipRect;
Vector<RefPtr<CCLayerImpl> > m_layerList;
OwnPtr<CCDamageTracker> m_damageTracker;
// Stored in the "surface space" where this damage can be used for scissoring.
FloatRect m_damageRect;
// For CCLayerIteratorActions
int m_targetRenderSurfaceLayerIndexHistory;
int m_currentLayerIndexHistory;
friend struct CCLayerIteratorActions;
};
}
#endif // USE(ACCELERATED_COMPOSITING)
#endif
|
