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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" |
| (...skipping 404 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 415 SkSTArray<1, Geometry, true> fGeoData; | 415 SkSTArray<1, Geometry, true> fGeoData; |
| 416 | 416 |
| 417 typedef GrVertexBatch INHERITED; | 417 typedef GrVertexBatch INHERITED; |
| 418 }; | 418 }; |
| 419 | 419 |
| 420 bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target, | 420 bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target, |
| 421 GrPipelineBuilder* pipelineBuilder, | 421 GrPipelineBuilder* pipelineBuilder, |
| 422 GrColor color, | 422 GrColor color, |
| 423 const SkMatrix& viewMatrix, | 423 const SkMatrix& viewMatrix, |
| 424 const SkPath& path, | 424 const SkPath& path, |
| 425 const GrStrokeInfo& origStroke, | 425 const GrStyle& origStyle, |
| 426 bool stencilOnly) { | 426 bool stencilOnly) { |
| 427 SkTCopyOnFirstWrite<GrStrokeInfo> stroke(origStroke); | 427 const GrStyle* style = &origStyle; |
| 428 | 428 |
| 429 SkScalar hairlineCoverage; | 429 SkScalar hairlineCoverage; |
| 430 uint8_t newCoverage = 0xff; | 430 uint8_t newCoverage = 0xff; |
| 431 if (IsStrokeHairlineOrEquivalent(*stroke, viewMatrix, &hairlineCoverage)) { | 431 bool isHairline = false; |
| 432 if (IsStrokeHairlineOrEquivalent(*style, viewMatrix, &hairlineCoverage)) { |
| 432 newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff); | 433 newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff); |
| 433 | 434 style = &GrStyle::SimpleHairline(); |
| 434 if (!stroke->isHairlineStyle()) { | 435 isHairline = true; |
| 435 stroke.writable()->setHairlineStyle(); | 436 } else { |
| 436 } | 437 SkASSERT(style->isSimpleFill()); |
| 437 } | 438 } |
| 438 | 439 |
| 439 const bool isHairline = stroke->isHairlineStyle(); | |
| 440 | |
| 441 // Save the current xp on the draw state so we can reset it if needed | 440 // Save the current xp on the draw state so we can reset it if needed |
| 442 const GrXPFactory* xpFactory = pipelineBuilder->getXPFactory(); | 441 const GrXPFactory* xpFactory = pipelineBuilder->getXPFactory(); |
| 443 SkAutoTUnref<const GrXPFactory> backupXPFactory(SkSafeRef(xpFactory)); | 442 SkAutoTUnref<const GrXPFactory> backupXPFactory(SkSafeRef(xpFactory)); |
| 444 // face culling doesn't make sense here | 443 // face culling doesn't make sense here |
| 445 SkASSERT(GrPipelineBuilder::kBoth_DrawFace == pipelineBuilder->getDrawFace()
); | 444 SkASSERT(GrPipelineBuilder::kBoth_DrawFace == pipelineBuilder->getDrawFace()
); |
| 446 | 445 |
| 447 int passCount = 0; | 446 int passCount = 0; |
| 448 const GrStencilSettings* passes[3]; | 447 const GrStencilSettings* passes[3]; |
| 449 GrPipelineBuilder::DrawFace drawFace[3]; | 448 GrPipelineBuilder::DrawFace drawFace[3]; |
| 450 bool reverse = false; | 449 bool reverse = false; |
| 451 bool lastPassIsBounds; | 450 bool lastPassIsBounds; |
| 452 | 451 |
| 453 if (isHairline) { | 452 if (isHairline) { |
| 454 passCount = 1; | 453 passCount = 1; |
| 455 if (stencilOnly) { | 454 if (stencilOnly) { |
| 456 passes[0] = &gDirectToStencil; | 455 passes[0] = &gDirectToStencil; |
| 457 } else { | 456 } else { |
| 458 passes[0] = nullptr; | 457 passes[0] = nullptr; |
| 459 } | 458 } |
| 460 lastPassIsBounds = false; | 459 lastPassIsBounds = false; |
| 461 drawFace[0] = GrPipelineBuilder::kBoth_DrawFace; | 460 drawFace[0] = GrPipelineBuilder::kBoth_DrawFace; |
| 462 } else { | 461 } else { |
| 463 if (single_pass_path(path, *stroke)) { | 462 if (single_pass_path(path, style->strokeRec())) { |
| 464 passCount = 1; | 463 passCount = 1; |
| 465 if (stencilOnly) { | 464 if (stencilOnly) { |
| 466 passes[0] = &gDirectToStencil; | 465 passes[0] = &gDirectToStencil; |
| 467 } else { | 466 } else { |
| 468 passes[0] = nullptr; | 467 passes[0] = nullptr; |
| 469 } | 468 } |
| 470 drawFace[0] = GrPipelineBuilder::kBoth_DrawFace; | 469 drawFace[0] = GrPipelineBuilder::kBoth_DrawFace; |
| 471 lastPassIsBounds = false; | 470 lastPassIsBounds = false; |
| 472 } else { | 471 } else { |
| 473 switch (path.getFillType()) { | 472 switch (path.getFillType()) { |
| (...skipping 115 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 589 viewMatrix,
isHairline, | 588 viewMatrix,
isHairline, |
| 590 devBounds))
; | 589 devBounds))
; |
| 591 | 590 |
| 592 target->drawBatch(*pipelineBuilder, batch); | 591 target->drawBatch(*pipelineBuilder, batch); |
| 593 } | 592 } |
| 594 } | 593 } |
| 595 return true; | 594 return true; |
| 596 } | 595 } |
| 597 | 596 |
| 598 bool GrDefaultPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const { | 597 bool GrDefaultPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const { |
| 599 // this class can draw any path with any fill but doesn't do any anti-aliasi
ng. | 598 // this class can draw any path with any simple fill style but doesn't do an
y anti-aliasing. |
| 600 return !args.fAntiAlias && (args.fStroke->isFillStyle() || | 599 return !args.fAntiAlias && |
| 601 IsStrokeHairlineOrEquivalent(*args.fStroke, *arg
s.fViewMatrix, | 600 (args.fStyle->isSimpleFill() || IsStrokeHairlineOrEquivalent(*args.fS
tyle, |
| 602 nullptr)); | 601 *args.fV
iewMatrix, |
| 602 nullptr)
); |
| 603 } | 603 } |
| 604 | 604 |
| 605 bool GrDefaultPathRenderer::onDrawPath(const DrawPathArgs& args) { | 605 bool GrDefaultPathRenderer::onDrawPath(const DrawPathArgs& args) { |
| 606 GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(), "GrDefaultPathRende
rer::onDrawPath"); | 606 GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(), "GrDefaultPathRende
rer::onDrawPath"); |
| 607 return this->internalDrawPath(args.fTarget, | 607 return this->internalDrawPath(args.fTarget, |
| 608 args.fPipelineBuilder, | 608 args.fPipelineBuilder, |
| 609 args.fColor, | 609 args.fColor, |
| 610 *args.fViewMatrix, | 610 *args.fViewMatrix, |
| 611 *args.fPath, | 611 *args.fPath, |
| 612 *args.fStroke, | 612 *args.fStyle, |
| 613 false); | 613 false); |
| 614 } | 614 } |
| 615 | 615 |
| 616 void GrDefaultPathRenderer::onStencilPath(const StencilPathArgs& args) { | 616 void GrDefaultPathRenderer::onStencilPath(const StencilPathArgs& args) { |
| 617 GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(),"GrDefaultPathRender
er::onStencilPath"); | 617 GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(),"GrDefaultPathRender
er::onStencilPath"); |
| 618 SkASSERT(SkPath::kInverseEvenOdd_FillType != args.fPath->getFillType()); | 618 SkASSERT(SkPath::kInverseEvenOdd_FillType != args.fPath->getFillType()); |
| 619 SkASSERT(SkPath::kInverseWinding_FillType != args.fPath->getFillType()); | 619 SkASSERT(SkPath::kInverseWinding_FillType != args.fPath->getFillType()); |
| 620 this->internalDrawPath(args.fTarget, args.fPipelineBuilder, GrColor_WHITE, *
args.fViewMatrix, | 620 this->internalDrawPath(args.fTarget, args.fPipelineBuilder, GrColor_WHITE, *
args.fViewMatrix, |
| 621 *args.fPath, GrStrokeInfo::FillInfo(), true); | 621 *args.fPath, GrStyle::SimpleFill(), true); |
| 622 } | 622 } |
| 623 | 623 |
| 624 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | 624 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
| 625 | 625 |
| 626 #ifdef GR_TEST_UTILS | 626 #ifdef GR_TEST_UTILS |
| 627 | 627 |
| 628 DRAW_BATCH_TEST_DEFINE(DefaultPathBatch) { | 628 DRAW_BATCH_TEST_DEFINE(DefaultPathBatch) { |
| 629 GrColor color = GrRandomColor(random); | 629 GrColor color = GrRandomColor(random); |
| 630 SkMatrix viewMatrix = GrTest::TestMatrix(random); | 630 SkMatrix viewMatrix = GrTest::TestMatrix(random); |
| 631 | 631 |
| 632 // For now just hairlines because the other types of draws require two batch
es. | 632 // For now just hairlines because the other types of draws require two batch
es. |
| 633 // TODO we should figure out a way to combine the stencil and cover steps in
to one batch | 633 // TODO we should figure out a way to combine the stencil and cover steps in
to one batch |
| 634 GrStrokeInfo stroke(SkStrokeRec::kHairline_InitStyle); | 634 GrStyle style(SkStrokeRec::kHairline_InitStyle); |
| 635 SkPath path = GrTest::TestPath(random); | 635 SkPath path = GrTest::TestPath(random); |
| 636 | 636 |
| 637 // Compute srcSpaceTol | 637 // Compute srcSpaceTol |
| 638 SkRect bounds = path.getBounds(); | 638 SkRect bounds = path.getBounds(); |
| 639 SkScalar tol = GrPathUtils::kDefaultTolerance; | 639 SkScalar tol = GrPathUtils::kDefaultTolerance; |
| 640 SkScalar srcSpaceTol = GrPathUtils::scaleToleranceToSrc(tol, viewMatrix, bou
nds); | 640 SkScalar srcSpaceTol = GrPathUtils::scaleToleranceToSrc(tol, viewMatrix, bou
nds); |
| 641 | 641 |
| 642 DefaultPathBatch::Geometry geometry; | 642 DefaultPathBatch::Geometry geometry; |
| 643 geometry.fColor = color; | 643 geometry.fColor = color; |
| 644 geometry.fPath = path; | 644 geometry.fPath = path; |
| 645 geometry.fTolerance = srcSpaceTol; | 645 geometry.fTolerance = srcSpaceTol; |
| 646 | 646 |
| 647 viewMatrix.mapRect(&bounds); | 647 viewMatrix.mapRect(&bounds); |
| 648 uint8_t coverage = GrRandomCoverage(random); | 648 uint8_t coverage = GrRandomCoverage(random); |
| 649 return DefaultPathBatch::Create(geometry, coverage, viewMatrix, true, bounds
); | 649 return DefaultPathBatch::Create(geometry, coverage, viewMatrix, true, bounds
); |
| 650 } | 650 } |
| 651 | 651 |
| 652 #endif | 652 #endif |
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