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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 #include "GrDashingEffect.h" | 8 #include "GrDashingEffect.h" |
9 | 9 |
10 #include "GrBatchFlushState.h" | 10 #include "GrBatchFlushState.h" |
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238 * position relative to the dashed line. | 238 * position relative to the dashed line. |
239 */ | 239 */ |
240 static GrGeometryProcessor* create_dash_gp(GrColor, | 240 static GrGeometryProcessor* create_dash_gp(GrColor, |
241 DashAAMode aaMode, | 241 DashAAMode aaMode, |
242 DashCap cap, | 242 DashCap cap, |
243 const SkMatrix& localMatrix, | 243 const SkMatrix& localMatrix, |
244 bool usesLocalCoords); | 244 bool usesLocalCoords); |
245 | 245 |
246 class DashBatch : public GrVertexBatch { | 246 class DashBatch : public GrVertexBatch { |
247 public: | 247 public: |
248 DEFINE_BATCH_CLASS_ID | |
249 | |
250 struct Geometry { | 248 struct Geometry { |
| 249 GrColor fColor; |
251 SkMatrix fViewMatrix; | 250 SkMatrix fViewMatrix; |
252 SkMatrix fSrcRotInv; | 251 SkMatrix fSrcRotInv; |
253 SkPoint fPtsRot[2]; | 252 SkPoint fPtsRot[2]; |
254 SkScalar fSrcStrokeWidth; | 253 SkScalar fSrcStrokeWidth; |
255 SkScalar fPhase; | 254 SkScalar fPhase; |
256 SkScalar fIntervals[2]; | 255 SkScalar fIntervals[2]; |
257 SkScalar fParallelScale; | 256 SkScalar fParallelScale; |
258 SkScalar fPerpendicularScale; | 257 SkScalar fPerpendicularScale; |
259 GrColor fColor; | |
260 }; | 258 }; |
261 | 259 |
262 static GrDrawBatch* Create(const Geometry& geometry, SkPaint::Cap cap, DashA
AMode aaMode, | 260 static GrDrawBatch* Create(const Geometry& geometry, SkPaint::Cap cap, DashA
AMode aaMode, |
263 bool fullDash) { | 261 bool fullDash) { |
264 return new DashBatch(geometry, cap, aaMode, fullDash); | 262 return new DashBatch(geometry, cap, aaMode, fullDash); |
265 } | 263 } |
266 | 264 |
267 const char* name() const override { return "DashBatch"; } | 265 const char* name() const override { return "DashBatch"; } |
268 | 266 |
269 void getInvariantOutputColor(GrInitInvariantOutput* out) const override { | 267 void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
270 // When this is called on a batch, there is only one geometry bundle | 268 // When this is called on a batch, there is only one geometry bundle |
271 out->setKnownFourComponents(fGeoData[0].fColor); | 269 out->setKnownFourComponents(fGeoData[0].fColor); |
272 } | 270 } |
273 void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { | 271 void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
274 out->setUnknownSingleComponent(); | 272 out->setUnknownSingleComponent(); |
275 } | 273 } |
276 | 274 |
277 SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } | 275 SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
278 | 276 |
279 private: | 277 private: |
280 DashBatch(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode, boo
l fullDash) | 278 DashBatch(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode, boo
l fullDash) { |
281 : INHERITED(ClassID()) { | 279 this->initClassID<DashBatch>(); |
282 fGeoData.push_back(geometry); | 280 fGeoData.push_back(geometry); |
283 | 281 |
284 fBatch.fAAMode = aaMode; | 282 fBatch.fAAMode = aaMode; |
285 fBatch.fCap = cap; | 283 fBatch.fCap = cap; |
286 fBatch.fFullDash = fullDash; | 284 fBatch.fFullDash = fullDash; |
287 | 285 |
288 // compute bounds | 286 // compute bounds |
289 SkScalar halfStrokeWidth = 0.5f * geometry.fSrcStrokeWidth; | 287 SkScalar halfStrokeWidth = 0.5f * geometry.fSrcStrokeWidth; |
290 SkScalar xBloat = SkPaint::kButt_Cap == cap ? 0 : halfStrokeWidth; | 288 SkScalar xBloat = SkPaint::kButt_Cap == cap ? 0 : halfStrokeWidth; |
291 fBounds.set(geometry.fPtsRot[0], geometry.fPtsRot[1]); | 289 fBounds.set(geometry.fPtsRot[0], geometry.fPtsRot[1]); |
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669 SkPaint::Cap fCap; | 667 SkPaint::Cap fCap; |
670 DashAAMode fAAMode; | 668 DashAAMode fAAMode; |
671 bool fFullDash; | 669 bool fFullDash; |
672 }; | 670 }; |
673 | 671 |
674 static const int kVertsPerDash = 4; | 672 static const int kVertsPerDash = 4; |
675 static const int kIndicesPerDash = 6; | 673 static const int kIndicesPerDash = 6; |
676 | 674 |
677 BatchTracker fBatch; | 675 BatchTracker fBatch; |
678 SkSTArray<1, Geometry, true> fGeoData; | 676 SkSTArray<1, Geometry, true> fGeoData; |
679 | |
680 typedef GrVertexBatch INHERITED; | |
681 }; | 677 }; |
682 | 678 |
683 static GrDrawBatch* create_batch(GrColor color, const SkMatrix& viewMatrix, cons
t SkPoint pts[2], | 679 static GrDrawBatch* create_batch(GrColor color, const SkMatrix& viewMatrix, cons
t SkPoint pts[2], |
684 bool useAA, const GrStrokeInfo& strokeInfo, boo
l msaaRT) { | 680 bool useAA, const GrStrokeInfo& strokeInfo, boo
l msaaRT) { |
685 const SkScalar* intervals = strokeInfo.getDashIntervals(); | 681 const SkScalar* intervals = strokeInfo.getDashIntervals(); |
686 SkScalar phase = strokeInfo.getDashPhase(); | 682 SkScalar phase = strokeInfo.getDashPhase(); |
687 | 683 |
688 SkPaint::Cap cap = strokeInfo.getCap(); | 684 SkPaint::Cap cap = strokeInfo.getCap(); |
689 | 685 |
690 DashBatch::Geometry geometry; | 686 DashBatch::Geometry geometry; |
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1278 info.fIntervals = intervals; | 1274 info.fIntervals = intervals; |
1279 info.fCount = 2; | 1275 info.fCount = 2; |
1280 info.fPhase = phase; | 1276 info.fPhase = phase; |
1281 SkDEBUGCODE(bool success = ) strokeInfo.setDashInfo(info); | 1277 SkDEBUGCODE(bool success = ) strokeInfo.setDashInfo(info); |
1282 SkASSERT(success); | 1278 SkASSERT(success); |
1283 | 1279 |
1284 return create_batch(color, viewMatrix, pts, useAA, strokeInfo, msaaRT); | 1280 return create_batch(color, viewMatrix, pts, useAA, strokeInfo, msaaRT); |
1285 } | 1281 } |
1286 | 1282 |
1287 #endif | 1283 #endif |
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