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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
/*
Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2012 Igalia S.L.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef TextureMapperShaderManager_h
#define TextureMapperShaderManager_h
#if USE(ACCELERATED_COMPOSITING) && USE(TEXTURE_MAPPER)
#include "FloatQuad.h"
#include "GraphicsContext3D.h"
#include "IntSize.h"
#include "TextureMapperGL.h"
#include "TransformationMatrix.h"
#include <wtf/HashMap.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/text/CString.h>
#if ENABLE(CSS_FILTERS)
#include "FilterOperations.h"
#endif
namespace WebCore {
class BitmapTexture;
class TextureMapperShaderManager;
class TextureMapperShaderProgram : public RefCounted<TextureMapperShaderProgram> {
public:
Platform3DObject id() { return m_id; }
GC3Duint vertexAttrib() { return m_vertexAttrib; }
TextureMapperShaderProgram(GraphicsContext3D*, const char* vertexShaderSource, const char* fragmentShaderSource);
virtual ~TextureMapperShaderProgram();
virtual void prepare(float opacity, const BitmapTexture*) { }
GC3Dint matrixLocation() const { return m_matrixLocation; }
GC3Dint flipLocation() const { return m_flipLocation; }
GC3Dint textureSizeLocation() const { return m_textureSizeLocation; }
GC3Dint sourceTextureLocation() const { return m_sourceTextureLocation; }
GC3Dint maskTextureLocation() const { return m_maskTextureLocation; }
GC3Dint opacityLocation() const { return m_opacityLocation; }
static bool isValidUniformLocation(GC3Dint location) { return location >= 0; }
protected:
void getUniformLocation(GC3Dint& var, const char* name);
void initializeProgram();
virtual void initialize() { }
const char* vertexShaderSource() const { return m_vertexShaderSource.data(); }
const char* fragmentShaderSource() const { return m_fragmentShaderSource.data(); }
GraphicsContext3D* m_context;
Platform3DObject m_id;
GC3Duint m_vertexAttrib;
Platform3DObject m_vertexShader;
Platform3DObject m_fragmentShader;
GC3Dint m_matrixLocation;
GC3Dint m_flipLocation;
GC3Dint m_textureSizeLocation;
GC3Dint m_sourceTextureLocation;
GC3Dint m_opacityLocation;
GC3Dint m_maskTextureLocation;
private:
CString m_vertexShaderSource;
CString m_fragmentShaderSource;
};
#if ENABLE(CSS_FILTERS)
class StandardFilterProgram : public RefCounted<StandardFilterProgram> {
public:
virtual ~StandardFilterProgram();
virtual void prepare(const FilterOperation&, unsigned pass, const IntSize&, GC3Duint contentTexture);
static PassRefPtr<StandardFilterProgram> create(GraphicsContext3D*, FilterOperation::OperationType, unsigned pass);
GC3Duint vertexAttrib() const { return m_vertexAttrib; }
GC3Duint texCoordAttrib() const { return m_texCoordAttrib; }
GC3Duint textureUniform() const { return m_textureUniformLocation; }
protected:
GraphicsContext3D* m_context;
private:
StandardFilterProgram();
StandardFilterProgram(GraphicsContext3D*, FilterOperation::OperationType, unsigned pass);
Platform3DObject m_id;
Platform3DObject m_vertexShader;
Platform3DObject m_fragmentShader;
GC3Duint m_vertexAttrib;
GC3Duint m_texCoordAttrib;
GC3Duint m_textureUniformLocation;
union {
GC3Duint amount;
struct {
GC3Duint radius;
GC3Duint gaussianKernel;
} blur;
struct {
GC3Duint blurRadius;
GC3Duint color;
GC3Duint offset;
GC3Duint contentTexture;
GC3Duint gaussianKernel;
} shadow;
} m_uniformLocations;
};
#endif
class TextureMapperShaderProgramSimple : public TextureMapperShaderProgram {
public:
static PassRefPtr<TextureMapperShaderProgramSimple> create(GraphicsContext3D* context)
{
return adoptRef(new TextureMapperShaderProgramSimple(context));
}
protected:
TextureMapperShaderProgramSimple(GraphicsContext3D*);
private:
TextureMapperShaderProgramSimple();
};
class TextureMapperShaderProgramRectSimple : public TextureMapperShaderProgram {
public:
static PassRefPtr<TextureMapperShaderProgramRectSimple> create(GraphicsContext3D* context)
{
return adoptRef(new TextureMapperShaderProgramRectSimple(context));
}
protected:
TextureMapperShaderProgramRectSimple(GraphicsContext3D*);
private:
TextureMapperShaderProgramRectSimple();
};
class TextureMapperShaderProgramOpacityAndMask : public TextureMapperShaderProgram {
public:
static PassRefPtr<TextureMapperShaderProgramOpacityAndMask> create(GraphicsContext3D* context)
{
return adoptRef(new TextureMapperShaderProgramOpacityAndMask(context));
}
protected:
TextureMapperShaderProgramOpacityAndMask(GraphicsContext3D*);
private:
TextureMapperShaderProgramOpacityAndMask();
};
class TextureMapperShaderProgramRectOpacityAndMask : public TextureMapperShaderProgram {
public:
static PassRefPtr<TextureMapperShaderProgramRectOpacityAndMask> create(GraphicsContext3D* context)
{
return adoptRef(new TextureMapperShaderProgramRectOpacityAndMask(context));
}
protected:
TextureMapperShaderProgramRectOpacityAndMask(GraphicsContext3D*);
private:
TextureMapperShaderProgramRectOpacityAndMask();
};
class TextureMapperShaderProgramSolidColor : public TextureMapperShaderProgram {
public:
static PassRefPtr<TextureMapperShaderProgramSolidColor> create(GraphicsContext3D* context)
{
return adoptRef(new TextureMapperShaderProgramSolidColor(context));
}
GC3Dint colorLocation() const { return m_colorLocation; }
protected:
TextureMapperShaderProgramSolidColor(GraphicsContext3D*);
private:
TextureMapperShaderProgramSolidColor();
GC3Dint m_colorLocation;
};
class TextureMapperShaderProgramAntialiasingNoMask : public TextureMapperShaderProgram {
public:
static PassRefPtr<TextureMapperShaderProgramAntialiasingNoMask> create(GraphicsContext3D* context)
{
return adoptRef(new TextureMapperShaderProgramAntialiasingNoMask(context));
}
GC3Dint expandedQuadVerticesInTextureCoordinatesLocation() { return m_expandedQuadVerticesInTextureCordinatesLocation; }
GC3Dint expandedQuadEdgesInScreenSpaceLocation() { return m_expandedQuadEdgesInScreenSpaceLocation; }
protected:
TextureMapperShaderProgramAntialiasingNoMask(GraphicsContext3D*);
private:
TextureMapperShaderProgramAntialiasingNoMask();
GC3Dint m_expandedQuadVerticesInTextureCordinatesLocation;
GC3Dint m_expandedQuadEdgesInScreenSpaceLocation;
};
class TextureMapperShaderManager {
public:
enum ShaderType {
Invalid = 0, // HashMaps do not like 0 as a key.
Simple,
AntialiasingNoMask,
RectSimple,
OpacityAndMask,
RectOpacityAndMask,
SolidColor
};
TextureMapperShaderManager() { }
TextureMapperShaderManager(GraphicsContext3D*);
virtual ~TextureMapperShaderManager();
#if ENABLE(CSS_FILTERS)
unsigned getPassesRequiredForFilter(const FilterOperation&) const;
PassRefPtr<StandardFilterProgram> getShaderForFilter(const FilterOperation&, unsigned pass);
#endif
PassRefPtr<TextureMapperShaderProgram> getShaderProgram(ShaderType);
PassRefPtr<TextureMapperShaderProgramSolidColor> solidColorProgram();
PassRefPtr<TextureMapperShaderProgramAntialiasingNoMask> antialiasingNoMaskProgram();
private:
typedef HashMap<ShaderType, RefPtr<TextureMapperShaderProgram>, DefaultHash<int>::Hash, HashTraits<int> > TextureMapperShaderProgramMap;
TextureMapperShaderProgramMap m_textureMapperShaderProgramMap;
GraphicsContext3D* m_context;
#if ENABLE(CSS_FILTERS)
typedef HashMap<int, RefPtr<StandardFilterProgram> > FilterMap;
FilterMap m_filterMap;
#endif
};
}
#endif
#endif // TextureMapperShaderManager_h
|
