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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 "GrConvexPolyEffect.h" | 8 #include "GrConvexPolyEffect.h" |
| 9 #include "GrInvariantOutput.h" | 9 #include "GrInvariantOutput.h" |
| 10 #include "SkPathPriv.h" | 10 #include "SkPathPriv.h" |
| (...skipping 53 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 64 SkRect rect = SkRect::MakeLTRB(d->fRandom->nextSScalar1(), | 64 SkRect rect = SkRect::MakeLTRB(d->fRandom->nextSScalar1(), |
| 65 d->fRandom->nextSScalar1(), | 65 d->fRandom->nextSScalar1(), |
| 66 d->fRandom->nextSScalar1(), | 66 d->fRandom->nextSScalar1(), |
| 67 d->fRandom->nextSScalar1()); | 67 d->fRandom->nextSScalar1()); |
| 68 GrFragmentProcessor* fp; | 68 GrFragmentProcessor* fp; |
| 69 do { | 69 do { |
| 70 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( | 70 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
| 71 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); | 71 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 72 | 72 |
| 73 fp = AARectEffect::Create(edgeType, rect); | 73 fp = AARectEffect::Create(edgeType, rect); |
| 74 } while (NULL == fp); | 74 } while (nullptr == fp); |
| 75 return fp; | 75 return fp; |
| 76 } | 76 } |
| 77 | 77 |
| 78 ////////////////////////////////////////////////////////////////////////////// | 78 ////////////////////////////////////////////////////////////////////////////// |
| 79 | 79 |
| 80 class GLAARectEffect : public GrGLFragmentProcessor { | 80 class GLAARectEffect : public GrGLFragmentProcessor { |
| 81 public: | 81 public: |
| 82 GLAARectEffect(const GrProcessor&); | 82 GLAARectEffect(const GrProcessor&); |
| 83 | 83 |
| 84 virtual void emitCode(EmitArgs&) override; | 84 virtual void emitCode(EmitArgs&) override; |
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| 236 GR_STATIC_ASSERT(kGrProcessorEdgeTypeCnt <= 8); | 236 GR_STATIC_ASSERT(kGrProcessorEdgeTypeCnt <= 8); |
| 237 uint32_t key = (cpe.getEdgeCount() << 3) | cpe.getEdgeType(); | 237 uint32_t key = (cpe.getEdgeCount() << 3) | cpe.getEdgeType(); |
| 238 b->add32(key); | 238 b->add32(key); |
| 239 } | 239 } |
| 240 | 240 |
| 241 ////////////////////////////////////////////////////////////////////////////// | 241 ////////////////////////////////////////////////////////////////////////////// |
| 242 | 242 |
| 243 GrFragmentProcessor* GrConvexPolyEffect::Create(GrPrimitiveEdgeType type, const
SkPath& path, | 243 GrFragmentProcessor* GrConvexPolyEffect::Create(GrPrimitiveEdgeType type, const
SkPath& path, |
| 244 const SkVector* offset) { | 244 const SkVector* offset) { |
| 245 if (kHairlineAA_GrProcessorEdgeType == type) { | 245 if (kHairlineAA_GrProcessorEdgeType == type) { |
| 246 return NULL; | 246 return nullptr; |
| 247 } | 247 } |
| 248 if (path.getSegmentMasks() != SkPath::kLine_SegmentMask || | 248 if (path.getSegmentMasks() != SkPath::kLine_SegmentMask || |
| 249 !path.isConvex()) { | 249 !path.isConvex()) { |
| 250 return NULL; | 250 return nullptr; |
| 251 } | 251 } |
| 252 | 252 |
| 253 if (path.countPoints() > kMaxEdges) { | 253 if (path.countPoints() > kMaxEdges) { |
| 254 return NULL; | 254 return nullptr; |
| 255 } | 255 } |
| 256 | 256 |
| 257 SkPoint pts[kMaxEdges]; | 257 SkPoint pts[kMaxEdges]; |
| 258 SkScalar edges[3 * kMaxEdges]; | 258 SkScalar edges[3 * kMaxEdges]; |
| 259 | 259 |
| 260 SkPathPriv::FirstDirection dir; | 260 SkPathPriv::FirstDirection dir; |
| 261 SkAssertResult(SkPathPriv::CheapComputeFirstDirection(path, &dir)); | 261 SkAssertResult(SkPathPriv::CheapComputeFirstDirection(path, &dir)); |
| 262 | 262 |
| 263 SkVector t; | 263 SkVector t; |
| 264 if (NULL == offset) { | 264 if (nullptr == offset) { |
| 265 t.set(0, 0); | 265 t.set(0, 0); |
| 266 } else { | 266 } else { |
| 267 t = *offset; | 267 t = *offset; |
| 268 } | 268 } |
| 269 | 269 |
| 270 int count = path.getPoints(pts, kMaxEdges); | 270 int count = path.getPoints(pts, kMaxEdges); |
| 271 int n = 0; | 271 int n = 0; |
| 272 for (int lastPt = count - 1, i = 0; i < count; lastPt = i++) { | 272 for (int lastPt = count - 1, i = 0; i < count; lastPt = i++) { |
| 273 if (pts[lastPt] != pts[i]) { | 273 if (pts[lastPt] != pts[i]) { |
| 274 SkVector v = pts[i] - pts[lastPt]; | 274 SkVector v = pts[i] - pts[lastPt]; |
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| 286 } | 286 } |
| 287 } | 287 } |
| 288 if (path.isInverseFillType()) { | 288 if (path.isInverseFillType()) { |
| 289 type = GrInvertProcessorEdgeType(type); | 289 type = GrInvertProcessorEdgeType(type); |
| 290 } | 290 } |
| 291 return Create(type, n, edges); | 291 return Create(type, n, edges); |
| 292 } | 292 } |
| 293 | 293 |
| 294 GrFragmentProcessor* GrConvexPolyEffect::Create(GrPrimitiveEdgeType edgeType, co
nst SkRect& rect) { | 294 GrFragmentProcessor* GrConvexPolyEffect::Create(GrPrimitiveEdgeType edgeType, co
nst SkRect& rect) { |
| 295 if (kHairlineAA_GrProcessorEdgeType == edgeType){ | 295 if (kHairlineAA_GrProcessorEdgeType == edgeType){ |
| 296 return NULL; | 296 return nullptr; |
| 297 } | 297 } |
| 298 return AARectEffect::Create(edgeType, rect); | 298 return AARectEffect::Create(edgeType, rect); |
| 299 } | 299 } |
| 300 | 300 |
| 301 GrConvexPolyEffect::~GrConvexPolyEffect() {} | 301 GrConvexPolyEffect::~GrConvexPolyEffect() {} |
| 302 | 302 |
| 303 void GrConvexPolyEffect::onComputeInvariantOutput(GrInvariantOutput* inout) cons
t { | 303 void GrConvexPolyEffect::onComputeInvariantOutput(GrInvariantOutput* inout) cons
t { |
| 304 inout->mulByUnknownSingleComponent(); | 304 inout->mulByUnknownSingleComponent(); |
| 305 } | 305 } |
| 306 | 306 |
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| 344 SkScalar edges[kMaxEdges * 3]; | 344 SkScalar edges[kMaxEdges * 3]; |
| 345 for (int i = 0; i < 3 * count; ++i) { | 345 for (int i = 0; i < 3 * count; ++i) { |
| 346 edges[i] = d->fRandom->nextSScalar1(); | 346 edges[i] = d->fRandom->nextSScalar1(); |
| 347 } | 347 } |
| 348 | 348 |
| 349 GrFragmentProcessor* fp; | 349 GrFragmentProcessor* fp; |
| 350 do { | 350 do { |
| 351 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( | 351 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
| 352 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); | 352 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 353 fp = GrConvexPolyEffect::Create(edgeType, count, edges); | 353 fp = GrConvexPolyEffect::Create(edgeType, count, edges); |
| 354 } while (NULL == fp); | 354 } while (nullptr == fp); |
| 355 return fp; | 355 return fp; |
| 356 } | 356 } |
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