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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "GrDefaultPathRenderer.h" | 8 #include "GrDefaultPathRenderer.h" |
9 | 9 |
10 #include "GrBatchFlushState.h" | 10 #include "GrBatchFlushState.h" |
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406 }; | 406 }; |
407 | 407 |
408 BatchTracker fBatch; | 408 BatchTracker fBatch; |
409 SkSTArray<1, Geometry, true> fGeoData; | 409 SkSTArray<1, Geometry, true> fGeoData; |
410 | 410 |
411 typedef GrVertexBatch INHERITED; | 411 typedef GrVertexBatch INHERITED; |
412 }; | 412 }; |
413 | 413 |
414 bool GrDefaultPathRenderer::internalDrawPath(GrDrawContext* drawContext, | 414 bool GrDefaultPathRenderer::internalDrawPath(GrDrawContext* drawContext, |
415 const GrPaint& paint, | 415 const GrPaint& paint, |
416 const GrUserStencilSettings* userSt
encilSettings, | 416 const GrUserStencilSettings& userSt
encilSettings, |
417 const GrClip& clip, | 417 const GrClip& clip, |
418 const SkMatrix& viewMatrix, | 418 const SkMatrix& viewMatrix, |
419 const GrShape& shape, | 419 const GrShape& shape, |
420 bool stencilOnly) { | 420 bool stencilOnly) { |
421 SkPath path; | 421 SkPath path; |
422 shape.asPath(&path); | 422 shape.asPath(&path); |
423 | 423 |
424 SkScalar hairlineCoverage; | 424 SkScalar hairlineCoverage; |
425 uint8_t newCoverage = 0xff; | 425 uint8_t newCoverage = 0xff; |
426 bool isHairline = false; | 426 bool isHairline = false; |
427 if (IsStrokeHairlineOrEquivalent(shape.style(), viewMatrix, &hairlineCoverag
e)) { | 427 if (IsStrokeHairlineOrEquivalent(shape.style(), viewMatrix, &hairlineCoverag
e)) { |
428 newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff); | 428 newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff); |
429 isHairline = true; | 429 isHairline = true; |
430 } else { | 430 } else { |
431 SkASSERT(shape.style().isSimpleFill()); | 431 SkASSERT(shape.style().isSimpleFill()); |
432 } | 432 } |
433 | 433 |
434 int passCount = 0; | 434 int passCount = 0; |
435 const GrUserStencilSettings* passes[3]; | 435 const GrUserStencilSettings* passes[3]; |
436 GrPipelineBuilder::DrawFace drawFace[3]; | 436 GrPipelineBuilder::DrawFace drawFace[3]; |
437 bool reverse = false; | 437 bool reverse = false; |
438 bool lastPassIsBounds; | 438 bool lastPassIsBounds; |
439 | 439 |
440 if (isHairline) { | 440 if (isHairline) { |
441 passCount = 1; | 441 passCount = 1; |
442 if (stencilOnly) { | 442 if (stencilOnly) { |
443 passes[0] = &gDirectToStencil; | 443 passes[0] = &gDirectToStencil; |
444 } else { | 444 } else { |
445 passes[0] = userStencilSettings; | 445 passes[0] = &userStencilSettings; |
446 } | 446 } |
447 lastPassIsBounds = false; | 447 lastPassIsBounds = false; |
448 drawFace[0] = GrPipelineBuilder::kBoth_DrawFace; | 448 drawFace[0] = GrPipelineBuilder::kBoth_DrawFace; |
449 } else { | 449 } else { |
450 if (single_pass_shape(shape)) { | 450 if (single_pass_shape(shape)) { |
451 passCount = 1; | 451 passCount = 1; |
452 if (stencilOnly) { | 452 if (stencilOnly) { |
453 passes[0] = &gDirectToStencil; | 453 passes[0] = &gDirectToStencil; |
454 } else { | 454 } else { |
455 passes[0] = userStencilSettings; | 455 passes[0] = &userStencilSettings; |
456 } | 456 } |
457 drawFace[0] = GrPipelineBuilder::kBoth_DrawFace; | 457 drawFace[0] = GrPipelineBuilder::kBoth_DrawFace; |
458 lastPassIsBounds = false; | 458 lastPassIsBounds = false; |
459 } else { | 459 } else { |
460 switch (path.getFillType()) { | 460 switch (path.getFillType()) { |
461 case SkPath::kInverseEvenOdd_FillType: | 461 case SkPath::kInverseEvenOdd_FillType: |
462 reverse = true; | 462 reverse = true; |
463 // fallthrough | 463 // fallthrough |
464 case SkPath::kEvenOdd_FillType: | 464 case SkPath::kEvenOdd_FillType: |
465 passes[0] = &gEOStencilPass; | 465 passes[0] = &gEOStencilPass; |
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584 return !args.fAntiAlias && | 584 return !args.fAntiAlias && |
585 (args.fShape->style().isSimpleFill() || | 585 (args.fShape->style().isSimpleFill() || |
586 IsStrokeHairlineOrEquivalent(args.fShape->style(), *args.fViewMatrix
, nullptr)); | 586 IsStrokeHairlineOrEquivalent(args.fShape->style(), *args.fViewMatrix
, nullptr)); |
587 } | 587 } |
588 | 588 |
589 bool GrDefaultPathRenderer::onDrawPath(const DrawPathArgs& args) { | 589 bool GrDefaultPathRenderer::onDrawPath(const DrawPathArgs& args) { |
590 GR_AUDIT_TRAIL_AUTO_FRAME(args.fDrawContext->auditTrail(), | 590 GR_AUDIT_TRAIL_AUTO_FRAME(args.fDrawContext->auditTrail(), |
591 "GrDefaultPathRenderer::onDrawPath"); | 591 "GrDefaultPathRenderer::onDrawPath"); |
592 return this->internalDrawPath(args.fDrawContext, | 592 return this->internalDrawPath(args.fDrawContext, |
593 *args.fPaint, | 593 *args.fPaint, |
594 args.fUserStencilSettings, | 594 *args.fUserStencilSettings, |
595 *args.fClip, | 595 *args.fClip, |
596 *args.fViewMatrix, | 596 *args.fViewMatrix, |
597 *args.fShape, | 597 *args.fShape, |
598 false); | 598 false); |
599 } | 599 } |
600 | 600 |
601 void GrDefaultPathRenderer::onStencilPath(const StencilPathArgs& args) { | 601 void GrDefaultPathRenderer::onStencilPath(const StencilPathArgs& args) { |
602 GR_AUDIT_TRAIL_AUTO_FRAME(args.fDrawContext->auditTrail(), | 602 GR_AUDIT_TRAIL_AUTO_FRAME(args.fDrawContext->auditTrail(), |
603 "GrDefaultPathRenderer::onStencilPath"); | 603 "GrDefaultPathRenderer::onStencilPath"); |
604 SkASSERT(!args.fShape->inverseFilled()); | 604 SkASSERT(!args.fShape->inverseFilled()); |
605 | 605 |
606 GrPaint paint; | 606 GrPaint paint; |
607 paint.setXPFactory(GrDisableColorXPFactory::Make()); | 607 paint.setXPFactory(GrDisableColorXPFactory::Make()); |
608 paint.setAntiAlias(args.fIsAA); | 608 paint.setAntiAlias(args.fIsAA); |
609 | 609 |
610 this->internalDrawPath(args.fDrawContext, paint, &GrUserStencilSettings::kUn
used, *args.fClip, | 610 this->internalDrawPath(args.fDrawContext, paint, GrUserStencilSettings::kUnu
sed, *args.fClip, |
611 *args.fViewMatrix, *args.fShape, true); | 611 *args.fViewMatrix, *args.fShape, true); |
612 } | 612 } |
613 | 613 |
614 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | 614 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
615 | 615 |
616 #ifdef GR_TEST_UTILS | 616 #ifdef GR_TEST_UTILS |
617 | 617 |
618 DRAW_BATCH_TEST_DEFINE(DefaultPathBatch) { | 618 DRAW_BATCH_TEST_DEFINE(DefaultPathBatch) { |
619 GrColor color = GrRandomColor(random); | 619 GrColor color = GrRandomColor(random); |
620 SkMatrix viewMatrix = GrTest::TestMatrix(random); | 620 SkMatrix viewMatrix = GrTest::TestMatrix(random); |
621 | 621 |
622 // For now just hairlines because the other types of draws require two batch
es. | 622 // For now just hairlines because the other types of draws require two batch
es. |
623 // TODO we should figure out a way to combine the stencil and cover steps in
to one batch | 623 // TODO we should figure out a way to combine the stencil and cover steps in
to one batch |
624 GrStyle style(SkStrokeRec::kHairline_InitStyle); | 624 GrStyle style(SkStrokeRec::kHairline_InitStyle); |
625 SkPath path = GrTest::TestPath(random); | 625 SkPath path = GrTest::TestPath(random); |
626 | 626 |
627 // Compute srcSpaceTol | 627 // Compute srcSpaceTol |
628 SkRect bounds = path.getBounds(); | 628 SkRect bounds = path.getBounds(); |
629 SkScalar tol = GrPathUtils::kDefaultTolerance; | 629 SkScalar tol = GrPathUtils::kDefaultTolerance; |
630 SkScalar srcSpaceTol = GrPathUtils::scaleToleranceToSrc(tol, viewMatrix, bou
nds); | 630 SkScalar srcSpaceTol = GrPathUtils::scaleToleranceToSrc(tol, viewMatrix, bou
nds); |
631 | 631 |
632 viewMatrix.mapRect(&bounds); | 632 viewMatrix.mapRect(&bounds); |
633 uint8_t coverage = GrRandomCoverage(random); | 633 uint8_t coverage = GrRandomCoverage(random); |
634 return new DefaultPathBatch(color, path, srcSpaceTol, coverage, viewMatrix,
true, bounds); | 634 return new DefaultPathBatch(color, path, srcSpaceTol, coverage, viewMatrix,
true, bounds); |
635 } | 635 } |
636 | 636 |
637 #endif | 637 #endif |
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