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Side by Side Diff: src/gpu/GrDefaultPathRenderer.cpp

Issue 783763002: Initial CL to move color / coverage off of drawstate (Closed) Base URL: https://skia.googlesource.com/skia.git@no-static-gp
Patch Set: bug fix Created 6 years ago
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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 "GrContext.h" 10 #include "GrContext.h"
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226 } 226 }
227 } else { 227 } else {
228 if (indexed) { 228 if (indexed) {
229 maxIdxs = 3 * maxPts; 229 maxIdxs = 3 * maxPts;
230 *primType = kTriangles_GrPrimitiveType; 230 *primType = kTriangles_GrPrimitiveType;
231 } else { 231 } else {
232 *primType = kTriangleFan_GrPrimitiveType; 232 *primType = kTriangleFan_GrPrimitiveType;
233 } 233 }
234 } 234 }
235 235
236 // TODO this is really wierd, I just need default vertex stride, can I think of a better way? 236 if (!arg->set(target, maxPts, GrDefaultGeoProcFactory::DefaultVertexStride() , maxIdxs)) {
237 SkAutoTUnref<const GrGeometryProcessor> gp(GrDefaultGeoProcFactory::Create() );
238 if (!arg->set(target, maxPts, gp->getVertexStride(), maxIdxs)) {
239 return false; 237 return false;
240 } 238 }
241 SkASSERT(gp->getVertexStride() == sizeof(SkPoint)); 239 SkASSERT(GrDefaultGeoProcFactory::DefaultVertexStride() == sizeof(SkPoint));
242 240
243 uint16_t* idxBase = reinterpret_cast<uint16_t*>(arg->indices()); 241 uint16_t* idxBase = reinterpret_cast<uint16_t*>(arg->indices());
244 uint16_t* idx = idxBase; 242 uint16_t* idx = idxBase;
245 uint16_t subpathIdxStart = 0; 243 uint16_t subpathIdxStart = 0;
246 244
247 SkPoint* base = reinterpret_cast<SkPoint*>(arg->vertices()); 245 SkPoint* base = reinterpret_cast<SkPoint*>(arg->vertices());
248 SkASSERT(base); 246 SkASSERT(base);
249 SkPoint* vert = base; 247 SkPoint* vert = base;
250 248
251 SkPoint pts[4]; 249 SkPoint pts[4];
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323 321
324 *vertexCnt = static_cast<int>(vert - base); 322 *vertexCnt = static_cast<int>(vert - base);
325 *indexCnt = static_cast<int>(idx - idxBase); 323 *indexCnt = static_cast<int>(idx - idxBase);
326 324
327 } 325 }
328 return true; 326 return true;
329 } 327 }
330 328
331 bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target, 329 bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target,
332 GrDrawState* drawState, 330 GrDrawState* drawState,
331 GrColor color,
333 const SkPath& path, 332 const SkPath& path,
334 const SkStrokeRec& origStroke, 333 const SkStrokeRec& origStroke,
335 bool stencilOnly) { 334 bool stencilOnly) {
336 SkMatrix viewM = drawState->getViewMatrix(); 335 SkMatrix viewM = drawState->getViewMatrix();
337 SkTCopyOnFirstWrite<SkStrokeRec> stroke(origStroke); 336 SkTCopyOnFirstWrite<SkStrokeRec> stroke(origStroke);
338 337
339 SkScalar hairlineCoverage; 338 SkScalar hairlineCoverage;
339 uint8_t newCoverage = 0xff;
340 if (IsStrokeHairlineOrEquivalent(*stroke, drawState->getViewMatrix(), 340 if (IsStrokeHairlineOrEquivalent(*stroke, drawState->getViewMatrix(),
341 &hairlineCoverage)) { 341 &hairlineCoverage)) {
342 uint8_t newCoverage = SkScalarRoundToInt(hairlineCoverage * drawState->g etCoverage()); 342 newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff);
343 drawState->setCoverage(newCoverage);
344 343
345 if (!stroke->isHairlineStyle()) { 344 if (!stroke->isHairlineStyle()) {
346 stroke.writable()->setHairlineStyle(); 345 stroke.writable()->setHairlineStyle();
347 } 346 }
348 } 347 }
349 348
350 SkScalar tol = SK_Scalar1; 349 SkScalar tol = SK_Scalar1;
351 tol = GrPathUtils::scaleToleranceToSrc(tol, viewM, path.getBounds()); 350 tol = GrPathUtils::scaleToleranceToSrc(tol, viewM, path.getBounds());
352 351
353 int vertexCnt; 352 int vertexCnt;
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486 if (!drawState->getViewMatrix().hasPerspective() && 485 if (!drawState->getViewMatrix().hasPerspective() &&
487 drawState->getViewInverse(&vmi)) { 486 drawState->getViewInverse(&vmi)) {
488 vmi.mapRect(&bounds); 487 vmi.mapRect(&bounds);
489 } else { 488 } else {
490 avmr.setIdentity(drawState); 489 avmr.setIdentity(drawState);
491 } 490 }
492 } else { 491 } else {
493 bounds = path.getBounds(); 492 bounds = path.getBounds();
494 } 493 }
495 GrDrawTarget::AutoGeometryPush agp(target); 494 GrDrawTarget::AutoGeometryPush agp(target);
496 target->drawSimpleRect(drawState, bounds); 495 target->drawSimpleRect(drawState, color, bounds);
497 } else { 496 } else {
498 if (passCount > 1) { 497 if (passCount > 1) {
499 drawState->enableState(GrDrawState::kNoColorWrites_StateBit); 498 drawState->enableState(GrDrawState::kNoColorWrites_StateBit);
500 } 499 }
501 GrDrawState::AutoRestoreEffects are(drawState); 500 GrDrawState::AutoRestoreEffects are(drawState);
502 drawState->setGeometryProcessor(GrDefaultGeoProcFactory::Create())-> unref(); 501 drawState->setGeometryProcessor(
502 GrDefaultGeoProcFactory::Create(color,
503 GrDefaultGeoProcFactory::kPo sition_GPType,
504 newCoverage))->unref();
503 if (indexCnt) { 505 if (indexCnt) {
504 target->drawIndexed(drawState, 506 target->drawIndexed(drawState,
505 primType, 507 primType,
506 0, 508 0,
507 0, 509 0,
508 vertexCnt, 510 vertexCnt,
509 indexCnt, 511 indexCnt,
510 &devBounds); 512 &devBounds);
511 } else { 513 } else {
512 target->drawNonIndexed(drawState, primType, 0, vertexCnt, &devBo unds); 514 target->drawNonIndexed(drawState, primType, 0, vertexCnt, &devBo unds);
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523 bool antiAlias) const { 525 bool antiAlias) const {
524 // this class can draw any path with any fill but doesn't do any anti-aliasi ng. 526 // this class can draw any path with any fill but doesn't do any anti-aliasi ng.
525 527
526 return !antiAlias && !(SkPath::kConic_SegmentMask & path.getSegmentMasks()) && 528 return !antiAlias && !(SkPath::kConic_SegmentMask & path.getSegmentMasks()) &&
527 (stroke.isFillStyle() || 529 (stroke.isFillStyle() ||
528 IsStrokeHairlineOrEquivalent(stroke, drawState->getViewMatrix(), NULL)) ; 530 IsStrokeHairlineOrEquivalent(stroke, drawState->getViewMatrix(), NULL)) ;
529 } 531 }
530 532
531 bool GrDefaultPathRenderer::onDrawPath(GrDrawTarget* target, 533 bool GrDefaultPathRenderer::onDrawPath(GrDrawTarget* target,
532 GrDrawState* drawState, 534 GrDrawState* drawState,
535 GrColor color,
533 const SkPath& path, 536 const SkPath& path,
534 const SkStrokeRec& stroke, 537 const SkStrokeRec& stroke,
535 bool antiAlias) { 538 bool antiAlias) {
536 return this->internalDrawPath(target, 539 return this->internalDrawPath(target,
537 drawState, 540 drawState,
541 color,
538 path, 542 path,
539 stroke, 543 stroke,
540 false); 544 false);
541 } 545 }
542 546
543 void GrDefaultPathRenderer::onStencilPath(GrDrawTarget* target, 547 void GrDefaultPathRenderer::onStencilPath(GrDrawTarget* target,
544 GrDrawState* drawState, 548 GrDrawState* drawState,
545 const SkPath& path, 549 const SkPath& path,
546 const SkStrokeRec& stroke) { 550 const SkStrokeRec& stroke) {
547 SkASSERT(SkPath::kInverseEvenOdd_FillType != path.getFillType()); 551 SkASSERT(SkPath::kInverseEvenOdd_FillType != path.getFillType());
548 SkASSERT(SkPath::kInverseWinding_FillType != path.getFillType()); 552 SkASSERT(SkPath::kInverseWinding_FillType != path.getFillType());
549 this->internalDrawPath(target, drawState, path, stroke, true); 553 this->internalDrawPath(target, drawState, GrColor_WHITE, path, stroke, true) ;
550 } 554 }
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