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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2015 Google Inc. | 3 * Copyright 2015 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 #include "GrAALinearizingConvexPathRenderer.h" | 9 #include "GrAALinearizingConvexPathRenderer.h" |
10 | 10 |
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90 tess.coverage(i); | 90 tess.coverage(i); |
91 } | 91 } |
92 } | 92 } |
93 | 93 |
94 for (int i = 0; i < tess.numIndices(); ++i) { | 94 for (int i = 0; i < tess.numIndices(); ++i) { |
95 idxs[i] = tess.index(i) + firstIndex; | 95 idxs[i] = tess.index(i) + firstIndex; |
96 } | 96 } |
97 } | 97 } |
98 | 98 |
99 static const GrGeometryProcessor* create_fill_gp(bool tweakAlphaForCoverage, | 99 static const GrGeometryProcessor* create_fill_gp(bool tweakAlphaForCoverage, |
100 const SkMatrix& localMatrix, | 100 const SkMatrix& viewMatrix, |
101 bool usesLocalCoords, | 101 bool usesLocalCoords, |
102 bool coverageIgnored) { | 102 bool coverageIgnored) { |
103 uint32_t flags = GrDefaultGeoProcFactory::kColor_GPType; | 103 using namespace GrDefaultGeoProcFactory; |
104 if (!tweakAlphaForCoverage) { | 104 |
105 flags |= GrDefaultGeoProcFactory::kCoverage_GPType; | 105 Color color(Color::kAttribute_Type); |
106 Coverage::Type coverageType; | |
107 if (coverageIgnored) { | |
108 coverageType = Coverage::kNone_Type; | |
109 } else if (tweakAlphaForCoverage) { | |
110 coverageType = Coverage::kSolid_Type; | |
111 } else { | |
112 coverageType = Coverage::kAttribute_Type; | |
106 } | 113 } |
114 Coverage coverage(coverageType); | |
107 | 115 |
108 return GrDefaultGeoProcFactory::Create(flags, GrColor_WHITE, usesLocalCoords , coverageIgnored, | 116 if (usesLocalCoords) { |
109 SkMatrix::I(), localMatrix); | 117 LocalCoords localCoords(LocalCoords::kUsePosition_Type); |
118 return CreateForDeviceSpace(color, coverage, localCoords, viewMatrix); | |
119 } else { | |
robertphillips
2015/07/29 13:09:44
extra space ?
| |
120 LocalCoords localCoords(LocalCoords::kUnused_Type); | |
121 return Create(color, coverage, localCoords); | |
122 } | |
110 } | 123 } |
111 | 124 |
112 class AAFlatteningConvexPathBatch : public GrBatch { | 125 class AAFlatteningConvexPathBatch : public GrBatch { |
113 public: | 126 public: |
114 struct Geometry { | 127 struct Geometry { |
115 GrColor fColor; | 128 GrColor fColor; |
116 SkMatrix fViewMatrix; | 129 SkMatrix fViewMatrix; |
117 SkPath fPath; | 130 SkPath fPath; |
118 SkScalar fStrokeWidth; | 131 SkScalar fStrokeWidth; |
119 SkPaint::Join fJoin; | 132 SkPaint::Join fJoin; |
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175 } | 188 } |
176 memcpy(idxs, indices, indexCount * sizeof(uint16_t)); | 189 memcpy(idxs, indices, indexCount * sizeof(uint16_t)); |
177 info.initIndexed(kTriangles_GrPrimitiveType, vertexBuffer, indexBuffer, firstVertex, | 190 info.initIndexed(kTriangles_GrPrimitiveType, vertexBuffer, indexBuffer, firstVertex, |
178 firstIndex, vertexCount, indexCount); | 191 firstIndex, vertexCount, indexCount); |
179 batchTarget->draw(info); | 192 batchTarget->draw(info); |
180 } | 193 } |
181 | 194 |
182 void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline ) override { | 195 void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline ) override { |
183 bool canTweakAlphaForCoverage = this->canTweakAlphaForCoverage(); | 196 bool canTweakAlphaForCoverage = this->canTweakAlphaForCoverage(); |
184 | 197 |
185 SkMatrix invert; | 198 // Setup GrGeometryProcessor |
186 if (this->usesLocalCoords() && !this->viewMatrix().invert(&invert)) { | 199 SkAutoTUnref<const GrGeometryProcessor> gp(create_fill_gp(canTweakAlphaF orCoverage, |
187 SkDebugf("Could not invert viewmatrix\n"); | 200 this->viewMatr ix(), |
201 this->usesLoca lCoords(), | |
202 this->coverage Ignored())); | |
203 if (!gp) { | |
204 SkDebugf("Couldn't create a GrGeometryProcessor\n"); | |
188 return; | 205 return; |
189 } | 206 } |
190 | 207 |
191 // Setup GrGeometryProcessor | |
192 SkAutoTUnref<const GrGeometryProcessor> gp( | |
193 create_fill_gp(canTweakAlphaForC overage, invert, | |
194 this->usesLocalCo ords(), | |
195 this->coverageIgn ored())); | |
196 | |
197 batchTarget->initDraw(gp, pipeline); | 208 batchTarget->initDraw(gp, pipeline); |
198 | 209 |
199 size_t vertexStride = gp->getVertexStride(); | 210 size_t vertexStride = gp->getVertexStride(); |
200 | 211 |
201 SkASSERT(canTweakAlphaForCoverage ? | 212 SkASSERT(canTweakAlphaForCoverage ? |
202 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAt tr) : | 213 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAt tr) : |
203 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCo verageAttr)); | 214 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCo verageAttr)); |
204 | 215 |
205 int instanceCount = fGeoData.count(); | 216 int instanceCount = fGeoData.count(); |
206 | 217 |
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334 BATCH_TEST_DEFINE(AAFlatteningConvexPathBatch) { | 345 BATCH_TEST_DEFINE(AAFlatteningConvexPathBatch) { |
335 AAFlatteningConvexPathBatch::Geometry geometry; | 346 AAFlatteningConvexPathBatch::Geometry geometry; |
336 geometry.fColor = GrRandomColor(random); | 347 geometry.fColor = GrRandomColor(random); |
337 geometry.fViewMatrix = GrTest::TestMatrixInvertible(random); | 348 geometry.fViewMatrix = GrTest::TestMatrixInvertible(random); |
338 geometry.fPath = GrTest::TestPathConvex(random); | 349 geometry.fPath = GrTest::TestPathConvex(random); |
339 | 350 |
340 return AAFlatteningConvexPathBatch::Create(geometry); | 351 return AAFlatteningConvexPathBatch::Create(geometry); |
341 } | 352 } |
342 | 353 |
343 #endif | 354 #endif |
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