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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrGLPathRendering_DEFINED | 8 #ifndef GrGLPathRendering_DEFINED |
9 #define GrGLPathRendering_DEFINED | 9 #define GrGLPathRendering_DEFINED |
10 | 10 |
11 #include "SkRefCnt.h" | 11 #include "SkRefCnt.h" |
12 #include "GrPathRendering.h" | 12 #include "GrPathRendering.h" |
13 #include "GrStencil.h" | 13 #include "GrStencil.h" |
14 #include "gl/GrGLFunctions.h" | 14 #include "gl/GrGLFunctions.h" |
15 #include "gl/GrGLProgram.h" | 15 #include "gl/GrGLProgram.h" |
16 | 16 |
17 class GrGLNameAllocator; | 17 class GrGLNameAllocator; |
18 class GrGpuGL; | 18 class GrGLGpu; |
19 | 19 |
20 /** | 20 /** |
21 * This class wraps the NV_path_rendering extension and manages its various | 21 * This class wraps the NV_path_rendering extension and manages its various |
22 * API versions. If a method is not present in the GrGLInterface of the GrGpuGL | 22 * API versions. If a method is not present in the GrGLInterface of the GrGLGpu |
23 * (because the driver version is old), it tries to provide a backup | 23 * (because the driver version is old), it tries to provide a backup |
24 * implementation. But if a backup implementation is not practical, it marks the | 24 * implementation. But if a backup implementation is not practical, it marks the |
25 * method as not supported. | 25 * method as not supported. |
26 */ | 26 */ |
27 class GrGLPathRendering : public GrPathRendering { | 27 class GrGLPathRendering : public GrPathRendering { |
28 public: | 28 public: |
29 /** | 29 /** |
30 * Create a new GrGLPathRendering object from a given GrGpuGL. | 30 * Create a new GrGLPathRendering object from a given GrGLGpu. |
31 */ | 31 */ |
32 GrGLPathRendering(GrGpuGL* gpu); | 32 GrGLPathRendering(GrGLGpu* gpu); |
33 virtual ~GrGLPathRendering(); | 33 virtual ~GrGLPathRendering(); |
34 | 34 |
35 // GrPathRendering implementations. | 35 // GrPathRendering implementations. |
36 virtual GrPath* createPath(const SkPath&, const SkStrokeRec&) SK_OVERRIDE; | 36 virtual GrPath* createPath(const SkPath&, const SkStrokeRec&) SK_OVERRIDE; |
37 virtual GrPathRange* createPathRange(GrPathRange::PathGenerator*, | 37 virtual GrPathRange* createPathRange(GrPathRange::PathGenerator*, |
38 const SkStrokeRec&) SK_OVERRIDE; | 38 const SkStrokeRec&) SK_OVERRIDE; |
39 virtual GrPathRange* createGlyphs(const SkTypeface*, | 39 virtual GrPathRange* createGlyphs(const SkTypeface*, |
40 const SkDescriptor*, | 40 const SkDescriptor*, |
41 const SkStrokeRec&) SK_OVERRIDE; | 41 const SkStrokeRec&) SK_OVERRIDE; |
42 virtual void stencilPath(const GrPath*, const GrStencilSettings&) SK_OVERRID
E; | 42 virtual void stencilPath(const GrPath*, const GrStencilSettings&) SK_OVERRID
E; |
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119 void stencilThenCoverFillPathInstanced( | 119 void stencilThenCoverFillPathInstanced( |
120 GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, | 120 GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, |
121 GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, Gr
GLenum coverMode, | 121 GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, Gr
GLenum coverMode, |
122 GrGLenum transformType, const GrGLfloat *transformValue
s); | 122 GrGLenum transformType, const GrGLfloat *transformValue
s); |
123 | 123 |
124 void stencilThenCoverStrokePathInstanced( | 124 void stencilThenCoverStrokePathInstanced( |
125 GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvo
id *paths, | 125 GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvo
id *paths, |
126 GrGLuint pathBase, GrGLint reference, GrGLuint mask, Gr
GLenum coverMode, | 126 GrGLuint pathBase, GrGLint reference, GrGLuint mask, Gr
GLenum coverMode, |
127 GrGLenum transformType, const GrGLfloat *transformValue
s); | 127 GrGLenum transformType, const GrGLfloat *transformValue
s); |
128 | 128 |
129 GrGpuGL* fGpu; | 129 GrGLGpu* fGpu; |
130 SkAutoTDelete<GrGLNameAllocator> fPathNameAllocator; | 130 SkAutoTDelete<GrGLNameAllocator> fPathNameAllocator; |
131 Caps fCaps; | 131 Caps fCaps; |
132 GrGLProgram::MatrixState fHWProjectionMatrixState; | 132 GrGLProgram::MatrixState fHWProjectionMatrixState; |
133 GrStencilSettings fHWPathStencilSettings; | 133 GrStencilSettings fHWPathStencilSettings; |
134 struct PathTexGenData { | 134 struct PathTexGenData { |
135 GrGLenum fMode; | 135 GrGLenum fMode; |
136 GrGLint fNumComponents; | 136 GrGLint fNumComponents; |
137 GrGLfloat fCoefficients[3 * 3]; | 137 GrGLfloat fCoefficients[3 * 3]; |
138 }; | 138 }; |
139 int fHWActivePathTexGenSets; | 139 int fHWActivePathTexGenSets; |
140 SkTArray<PathTexGenData, true> fHWPathTexGenSettings; | 140 SkTArray<PathTexGenData, true> fHWPathTexGenSettings; |
141 }; | 141 }; |
142 | 142 |
143 #endif | 143 #endif |
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