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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 GrTInstanceBatch_DEFINED | 8 #ifndef GrTInstanceBatch_DEFINED |
9 #define GrTInstanceBatch_DEFINED | 9 #define GrTInstanceBatch_DEFINED |
10 | 10 |
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33 * const GrPipelineOptimizations& opts) | 33 * const GrPipelineOptimizations& opts) |
34 * | 34 * |
35 * const GrIndexBuffer* GetIndexBuffer(GrResourceProvider*) | 35 * const GrIndexBuffer* GetIndexBuffer(GrResourceProvider*) |
36 * | 36 * |
37 * Tesselate(intptr_t vertices, size_t vertexStride, const Geometry& geo, | 37 * Tesselate(intptr_t vertices, size_t vertexStride, const Geometry& geo, |
38 * const GrPipelineOptimizations& opts) | 38 * const GrPipelineOptimizations& opts) |
39 */ | 39 */ |
40 template <typename Impl> | 40 template <typename Impl> |
41 class GrTInstanceBatch : public GrVertexBatch { | 41 class GrTInstanceBatch : public GrVertexBatch { |
42 public: | 42 public: |
43 DEFINE_BATCH_CLASS_ID | |
44 | |
45 typedef typename Impl::Geometry Geometry; | 43 typedef typename Impl::Geometry Geometry; |
46 | 44 |
47 static GrTInstanceBatch* Create() { return new GrTInstanceBatch; } | 45 static GrTInstanceBatch* Create() { return new GrTInstanceBatch; } |
48 | 46 |
49 const char* name() const override { return Impl::Name(); } | 47 const char* name() const override { return Impl::Name(); } |
50 | 48 |
51 void getInvariantOutputColor(GrInitInvariantOutput* out) const override { | 49 void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
52 // When this is called on a batch, there is only one geometry bundle | 50 // When this is called on a batch, there is only one geometry bundle |
53 out->setKnownFourComponents(fGeoData[0].fColor); | 51 out->setKnownFourComponents(fGeoData[0].fColor); |
54 } | 52 } |
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67 // to avoid even the initial copy of the struct, we have a getter for the fi
rst item which | 65 // to avoid even the initial copy of the struct, we have a getter for the fi
rst item which |
68 // is used to seed the batch with its initial geometry. After seeding, the
client should call | 66 // is used to seed the batch with its initial geometry. After seeding, the
client should call |
69 // init() so the Batch can initialize itself | 67 // init() so the Batch can initialize itself |
70 Geometry* geometry() { return &fGeoData[0]; } | 68 Geometry* geometry() { return &fGeoData[0]; } |
71 void init() { | 69 void init() { |
72 const Geometry& geo = fGeoData[0]; | 70 const Geometry& geo = fGeoData[0]; |
73 Impl::SetBounds(geo, &fBounds); | 71 Impl::SetBounds(geo, &fBounds); |
74 } | 72 } |
75 | 73 |
76 private: | 74 private: |
77 GrTInstanceBatch() : INHERITED(ClassID()) { | 75 GrTInstanceBatch() { |
| 76 this->initClassID<GrTInstanceBatch<Impl>>(); |
| 77 |
78 // Push back an initial geometry | 78 // Push back an initial geometry |
79 fGeoData.push_back(); | 79 fGeoData.push_back(); |
80 } | 80 } |
81 | 81 |
82 void onPrepareDraws(Target* target) override { | 82 void onPrepareDraws(Target* target) override { |
83 SkAutoTUnref<const GrGeometryProcessor> gp(Impl::CreateGP(this->seedGeom
etry(), fOpts)); | 83 SkAutoTUnref<const GrGeometryProcessor> gp(Impl::CreateGP(this->seedGeom
etry(), fOpts)); |
84 if (!gp) { | 84 if (!gp) { |
85 SkDebugf("Couldn't create GrGeometryProcessor\n"); | 85 SkDebugf("Couldn't create GrGeometryProcessor\n"); |
86 return; | 86 return; |
87 } | 87 } |
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129 fOpts = that->fOpts; | 129 fOpts = that->fOpts; |
130 } | 130 } |
131 | 131 |
132 fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin())
; | 132 fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin())
; |
133 this->joinBounds(that->bounds()); | 133 this->joinBounds(that->bounds()); |
134 return true; | 134 return true; |
135 } | 135 } |
136 | 136 |
137 GrPipelineOptimizations fOpts; | 137 GrPipelineOptimizations fOpts; |
138 SkSTArray<1, Geometry, true> fGeoData; | 138 SkSTArray<1, Geometry, true> fGeoData; |
139 | |
140 typedef GrVertexBatch INHERITED; | |
141 }; | 139 }; |
142 | 140 |
143 #endif | 141 #endif |
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