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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2014 Google Inc. | 3 * Copyright 2014 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #ifndef GrAADistanceFieldPathRenderer_DEFINED | 9 #ifndef GrAADistanceFieldPathRenderer_DEFINED |
10 #define GrAADistanceFieldPathRenderer_DEFINED | 10 #define GrAADistanceFieldPathRenderer_DEFINED |
11 | 11 |
12 #include "GrAtlas.h" | 12 #include "GrAtlas.h" |
13 #include "GrPathRenderer.h" | 13 #include "GrPathRenderer.h" |
14 #include "GrRect.h" | 14 #include "GrRect.h" |
15 | 15 |
16 #include "SkChecksum.h" | 16 #include "SkChecksum.h" |
17 #include "SkTDynamicHash.h" | 17 #include "SkTDynamicHash.h" |
18 | 18 |
19 class GrContext; | 19 class GrContext; |
20 class GrPlot; | 20 class GrPlot; |
21 | 21 |
22 class GrAADistanceFieldPathRenderer : public GrPathRenderer { | 22 class GrAADistanceFieldPathRenderer : public GrPathRenderer { |
23 public: | 23 public: |
24 GrAADistanceFieldPathRenderer(GrContext* context); | 24 GrAADistanceFieldPathRenderer(GrContext* context); |
25 virtual ~GrAADistanceFieldPathRenderer(); | 25 virtual ~GrAADistanceFieldPathRenderer(); |
26 | 26 |
27 virtual bool canDrawPath(const GrDrawTarget*, | 27 virtual bool canDrawPath(const GrDrawTarget*, |
28 const GrDrawState*, | 28 const GrPipelineBuilder*, |
29 const SkMatrix& viewMatrix, | 29 const SkMatrix& viewMatrix, |
30 const SkPath&, | 30 const SkPath&, |
31 const SkStrokeRec&, | 31 const SkStrokeRec&, |
32 bool antiAlias) const SK_OVERRIDE; | 32 bool antiAlias) const SK_OVERRIDE; |
33 | 33 |
34 protected: | 34 protected: |
35 virtual StencilSupport onGetStencilSupport(const GrDrawTarget*, | 35 virtual StencilSupport onGetStencilSupport(const GrDrawTarget*, |
36 const GrDrawState*, | 36 const GrPipelineBuilder*, |
37 const SkPath&, | 37 const SkPath&, |
38 const SkStrokeRec&) const SK_OVER
RIDE; | 38 const SkStrokeRec&) const SK_OVER
RIDE; |
39 | 39 |
40 virtual bool onDrawPath(GrDrawTarget*, | 40 virtual bool onDrawPath(GrDrawTarget*, |
41 GrDrawState*, | 41 GrPipelineBuilder*, |
42 GrColor, | 42 GrColor, |
43 const SkMatrix& viewMatrix, | 43 const SkMatrix& viewMatrix, |
44 const SkPath&, | 44 const SkPath&, |
45 const SkStrokeRec&, | 45 const SkStrokeRec&, |
46 bool antiAlias) SK_OVERRIDE; | 46 bool antiAlias) SK_OVERRIDE; |
47 | 47 |
48 private: | 48 private: |
49 struct PathData { | 49 struct PathData { |
50 struct Key { | 50 struct Key { |
51 uint32_t fGenID; | 51 uint32_t fGenID; |
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74 | 74 |
75 GrContext* fContext; | 75 GrContext* fContext; |
76 GrAtlas* fAtlas; | 76 GrAtlas* fAtlas; |
77 SkAutoTUnref<GrGeometryProcessor> fCachedGeometryProcessor; | 77 SkAutoTUnref<GrGeometryProcessor> fCachedGeometryProcessor; |
78 // current set of flags used to create the cached geometry processor | 78 // current set of flags used to create the cached geometry processor |
79 uint32_t fEffectFlags; | 79 uint32_t fEffectFlags; |
80 GrAtlas::ClientPlotUsage fPlotUsage; | 80 GrAtlas::ClientPlotUsage fPlotUsage; |
81 SkTDynamicHash<PathData, PathData::Key> fPathCache; | 81 SkTDynamicHash<PathData, PathData::Key> fPathCache; |
82 PathDataList fPathList; | 82 PathDataList fPathList; |
83 | 83 |
84 bool internalDrawPath(GrDrawTarget*, GrDrawState*, GrColor, const SkMatrix&
viewMatrix, | 84 bool internalDrawPath(GrDrawTarget*, GrPipelineBuilder*, GrColor, const SkMa
trix& viewMatrix, |
85 const SkPath& path, const PathData* pathData); | 85 const SkPath& path, const PathData* pathData); |
86 PathData* addPathToAtlas(const SkPath& path, const SkStrokeRec& stroke, bool
antiAlias, | 86 PathData* addPathToAtlas(const SkPath& path, const SkStrokeRec& stroke, bool
antiAlias, |
87 uint32_t dimension, SkScalar scale); | 87 uint32_t dimension, SkScalar scale); |
88 bool freeUnusedPlot(); | 88 bool freeUnusedPlot(); |
89 | 89 |
90 typedef GrPathRenderer INHERITED; | 90 typedef GrPathRenderer INHERITED; |
91 }; | 91 }; |
92 | 92 |
93 #endif | 93 #endif |
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