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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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233 target->drawState()->setDefaultVertexAttribs(); | 233 target->drawState()->setDefaultVertexAttribs(); |
234 if (!arg->set(target, maxPts, maxIdxs)) { | 234 if (!arg->set(target, maxPts, maxIdxs)) { |
235 return false; | 235 return false; |
236 } | 236 } |
237 | 237 |
238 uint16_t* idxBase = reinterpret_cast<uint16_t*>(arg->indices()); | 238 uint16_t* idxBase = reinterpret_cast<uint16_t*>(arg->indices()); |
239 uint16_t* idx = idxBase; | 239 uint16_t* idx = idxBase; |
240 uint16_t subpathIdxStart = 0; | 240 uint16_t subpathIdxStart = 0; |
241 | 241 |
242 SkPoint* base = reinterpret_cast<SkPoint*>(arg->vertices()); | 242 SkPoint* base = reinterpret_cast<SkPoint*>(arg->vertices()); |
243 SkASSERT(NULL != base); | 243 SkASSERT(base); |
244 SkPoint* vert = base; | 244 SkPoint* vert = base; |
245 | 245 |
246 SkPoint pts[4]; | 246 SkPoint pts[4]; |
247 | 247 |
248 bool first = true; | 248 bool first = true; |
249 int subpath = 0; | 249 int subpath = 0; |
250 | 250 |
251 SkPath::Iter iter(path, false); | 251 SkPath::Iter iter(path, false); |
252 | 252 |
253 for (;;) { | 253 for (;;) { |
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354 *stroke, | 354 *stroke, |
355 tol, | 355 tol, |
356 target, | 356 target, |
357 &primType, | 357 &primType, |
358 &vertexCnt, | 358 &vertexCnt, |
359 &indexCnt, | 359 &indexCnt, |
360 &arg)) { | 360 &arg)) { |
361 return false; | 361 return false; |
362 } | 362 } |
363 | 363 |
364 SkASSERT(NULL != target); | 364 SkASSERT(target); |
365 GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kPreserve_ASRInit); | 365 GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kPreserve_ASRInit); |
366 GrDrawState* drawState = target->drawState(); | 366 GrDrawState* drawState = target->drawState(); |
367 bool colorWritesWereDisabled = drawState->isColorWriteDisabled(); | 367 bool colorWritesWereDisabled = drawState->isColorWriteDisabled(); |
368 // face culling doesn't make sense here | 368 // face culling doesn't make sense here |
369 SkASSERT(GrDrawState::kBoth_DrawFace == drawState->getDrawFace()); | 369 SkASSERT(GrDrawState::kBoth_DrawFace == drawState->getDrawFace()); |
370 | 370 |
371 int passCount = 0; | 371 int passCount = 0; |
372 const GrStencilSettings* passes[3]; | 372 const GrStencilSettings* passes[3]; |
373 GrDrawState::DrawFace drawFace[3]; | 373 GrDrawState::DrawFace drawFace[3]; |
374 bool reverse = false; | 374 bool reverse = false; |
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458 return false; | 458 return false; |
459 } | 459 } |
460 } | 460 } |
461 } | 461 } |
462 | 462 |
463 SkRect devBounds; | 463 SkRect devBounds; |
464 GetPathDevBounds(path, drawState->getRenderTarget(), viewM, &devBounds); | 464 GetPathDevBounds(path, drawState->getRenderTarget(), viewM, &devBounds); |
465 | 465 |
466 for (int p = 0; p < passCount; ++p) { | 466 for (int p = 0; p < passCount; ++p) { |
467 drawState->setDrawFace(drawFace[p]); | 467 drawState->setDrawFace(drawFace[p]); |
468 if (NULL != passes[p]) { | 468 if (passes[p]) { |
469 *drawState->stencil() = *passes[p]; | 469 *drawState->stencil() = *passes[p]; |
470 } | 470 } |
471 | 471 |
472 if (lastPassIsBounds && (p == passCount-1)) { | 472 if (lastPassIsBounds && (p == passCount-1)) { |
473 if (!colorWritesWereDisabled) { | 473 if (!colorWritesWereDisabled) { |
474 drawState->disableState(GrDrawState::kNoColorWrites_StateBit); | 474 drawState->disableState(GrDrawState::kNoColorWrites_StateBit); |
475 } | 475 } |
476 SkRect bounds; | 476 SkRect bounds; |
477 GrDrawState::AutoViewMatrixRestore avmr; | 477 GrDrawState::AutoViewMatrixRestore avmr; |
478 if (reverse) { | 478 if (reverse) { |
479 SkASSERT(NULL != drawState->getRenderTarget()); | 479 SkASSERT(drawState->getRenderTarget()); |
480 // draw over the dev bounds (which will be the whole dst surface
for inv fill). | 480 // draw over the dev bounds (which will be the whole dst surface
for inv fill). |
481 bounds = devBounds; | 481 bounds = devBounds; |
482 SkMatrix vmi; | 482 SkMatrix vmi; |
483 // mapRect through persp matrix may not be correct | 483 // mapRect through persp matrix may not be correct |
484 if (!drawState->getViewMatrix().hasPerspective() && | 484 if (!drawState->getViewMatrix().hasPerspective() && |
485 drawState->getViewInverse(&vmi)) { | 485 drawState->getViewInverse(&vmi)) { |
486 vmi.mapRect(&bounds); | 486 vmi.mapRect(&bounds); |
487 } else { | 487 } else { |
488 avmr.setIdentity(drawState); | 488 avmr.setIdentity(drawState); |
489 } | 489 } |
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528 false); | 528 false); |
529 } | 529 } |
530 | 530 |
531 void GrDefaultPathRenderer::onStencilPath(const SkPath& path, | 531 void GrDefaultPathRenderer::onStencilPath(const SkPath& path, |
532 const SkStrokeRec& stroke, | 532 const SkStrokeRec& stroke, |
533 GrDrawTarget* target) { | 533 GrDrawTarget* target) { |
534 SkASSERT(SkPath::kInverseEvenOdd_FillType != path.getFillType()); | 534 SkASSERT(SkPath::kInverseEvenOdd_FillType != path.getFillType()); |
535 SkASSERT(SkPath::kInverseWinding_FillType != path.getFillType()); | 535 SkASSERT(SkPath::kInverseWinding_FillType != path.getFillType()); |
536 this->internalDrawPath(path, stroke, target, true); | 536 this->internalDrawPath(path, stroke, target, true); |
537 } | 537 } |
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