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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 "SkLayerInfo.h" |
| 8 #include "SkRecordDraw.h" | 9 #include "SkRecordDraw.h" |
| 9 #include "SkPatchUtils.h" | 10 #include "SkPatchUtils.h" |
| 10 | 11 |
| 11 #if SK_SUPPORT_GPU | |
| 12 #include "GrPictureUtils.h" | |
| 13 #endif | |
| 14 | |
| 15 void SkRecordDraw(const SkRecord& record, | 12 void SkRecordDraw(const SkRecord& record, |
| 16 SkCanvas* canvas, | 13 SkCanvas* canvas, |
| 17 const SkBBoxHierarchy* bbh, | 14 const SkBBoxHierarchy* bbh, |
| 18 SkDrawPictureCallback* callback) { | 15 SkDrawPictureCallback* callback) { |
| 19 SkAutoCanvasRestore saveRestore(canvas, true /*save now, restore at exit*/); | 16 SkAutoCanvasRestore saveRestore(canvas, true /*save now, restore at exit*/); |
| 20 | 17 |
| 21 if (bbh) { | 18 if (bbh) { |
| 22 // Draw only ops that affect pixels in the canvas's current clip. | 19 // Draw only ops that affect pixels in the canvas's current clip. |
| 23 // The SkRecord and BBH were recorded in identity space. This canvas | 20 // The SkRecord and BBH were recorded in identity space. This canvas |
| 24 // is not necessarily in that same space. getClipBounds() returns us | 21 // is not necessarily in that same space. getClipBounds() returns us |
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| 563 // identity-space bounds of the current clip (fCurrentClipBounds). | 560 // identity-space bounds of the current clip (fCurrentClipBounds). |
| 564 unsigned fCurrentOp; | 561 unsigned fCurrentOp; |
| 565 const SkMatrix* fCTM; | 562 const SkMatrix* fCTM; |
| 566 Bounds fCurrentClipBounds; | 563 Bounds fCurrentClipBounds; |
| 567 | 564 |
| 568 // Used to track the bounds of Save/Restore blocks and the control ops insid
e them. | 565 // Used to track the bounds of Save/Restore blocks and the control ops insid
e them. |
| 569 SkTDArray<SaveBounds> fSaveStack; | 566 SkTDArray<SaveBounds> fSaveStack; |
| 570 SkTDArray<unsigned> fControlIndices; | 567 SkTDArray<unsigned> fControlIndices; |
| 571 }; | 568 }; |
| 572 | 569 |
| 573 #if SK_SUPPORT_GPU | |
| 574 // SkRecord visitor to gather saveLayer/restore information. | 570 // SkRecord visitor to gather saveLayer/restore information. |
| 575 class CollectLayers : SkNoncopyable { | 571 class CollectLayers : SkNoncopyable { |
| 576 public: | 572 public: |
| 577 CollectLayers(const SkRect& cullRect, const SkRecord& record, GrAccelData* a
ccelData) | 573 CollectLayers(const SkRect& cullRect, const SkRecord& record, SkLayerInfo* a
ccelData) |
| 578 : fSaveLayersInStack(0) | 574 : fSaveLayersInStack(0) |
| 579 , fAccelData(accelData) | 575 , fAccelData(accelData) |
| 580 , fFillBounds(cullRect, record) { | 576 , fFillBounds(cullRect, record) { |
| 581 } | 577 } |
| 582 | 578 |
| 583 void setCurrentOp(unsigned currentOp) { fFillBounds.setCurrentOp(currentOp);
} | 579 void setCurrentOp(unsigned currentOp) { fFillBounds.setCurrentOp(currentOp);
} |
| 584 | 580 |
| 585 void cleanUp(SkBBoxHierarchy* bbh) { | 581 void cleanUp(SkBBoxHierarchy* bbh) { |
| 586 // fFillBounds must perform its cleanUp first so that all the bounding | 582 // fFillBounds must perform its cleanUp first so that all the bounding |
| 587 // boxes associated with unbalanced restores are updated (prior to | 583 // boxes associated with unbalanced restores are updated (prior to |
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| 617 template <typename T> void trackSaveLayers(const T& op) { | 613 template <typename T> void trackSaveLayers(const T& op) { |
| 618 /* most ops aren't involved in saveLayers */ | 614 /* most ops aren't involved in saveLayers */ |
| 619 } | 615 } |
| 620 void trackSaveLayers(const Save& s) { this->pushSaveLayerInfo(false, NULL);
} | 616 void trackSaveLayers(const Save& s) { this->pushSaveLayerInfo(false, NULL);
} |
| 621 void trackSaveLayers(const SaveLayer& sl) { this->pushSaveLayerInfo(true, sl
.paint); } | 617 void trackSaveLayers(const SaveLayer& sl) { this->pushSaveLayerInfo(true, sl
.paint); } |
| 622 void trackSaveLayers(const Restore& r) { this->popSaveLayerInfo(); } | 618 void trackSaveLayers(const Restore& r) { this->popSaveLayerInfo(); } |
| 623 | 619 |
| 624 void trackSaveLayers(const DrawPicture& dp) { | 620 void trackSaveLayers(const DrawPicture& dp) { |
| 625 // For sub-pictures, we wrap their layer information within the parent | 621 // For sub-pictures, we wrap their layer information within the parent |
| 626 // picture's rendering hierarchy | 622 // picture's rendering hierarchy |
| 627 SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey(); | 623 SkPicture::AccelData::Key key = SkLayerInfo::ComputeKey(); |
| 628 | 624 |
| 629 const GrAccelData* childData = | 625 const SkLayerInfo* childData = |
| 630 static_cast<const GrAccelData*>(dp.picture->EXPERIMENTAL_getAccelDat
a(key)); | 626 static_cast<const SkLayerInfo*>(dp.picture->EXPERIMENTAL_getAccelDat
a(key)); |
| 631 if (!childData) { | 627 if (!childData) { |
| 632 // If the child layer hasn't been generated with saveLayer data we | 628 // If the child layer hasn't been generated with saveLayer data we |
| 633 // assume the worst (i.e., that it does contain layers which nest | 629 // assume the worst (i.e., that it does contain layers which nest |
| 634 // inside existing layers). Layers within sub-pictures that don't | 630 // inside existing layers). Layers within sub-pictures that don't |
| 635 // have saveLayer data cannot be hoisted. | 631 // have saveLayer data cannot be hoisted. |
| 636 // TODO: could the analysis data be use to fine tune this? | 632 // TODO: could the analysis data be use to fine tune this? |
| 637 this->updateStackForSaveLayer(); | 633 this->updateStackForSaveLayer(); |
| 638 return; | 634 return; |
| 639 } | 635 } |
| 640 | 636 |
| 641 for (int i = 0; i < childData->numSaveLayers(); ++i) { | 637 for (int i = 0; i < childData->numBlocks(); ++i) { |
| 642 const GrAccelData::SaveLayerInfo& src = childData->saveLayerInfo(i); | 638 const SkLayerInfo::BlockInfo& src = childData->block(i); |
| 643 | 639 |
| 644 FillBounds::Bounds newBound = fFillBounds.adjustAndMap(src.fBounds,
dp.paint); | 640 FillBounds::Bounds newBound = fFillBounds.adjustAndMap(src.fBounds,
dp.paint); |
| 645 if (newBound.isEmpty()) { | 641 if (newBound.isEmpty()) { |
| 646 continue; | 642 continue; |
| 647 } | 643 } |
| 648 | 644 |
| 649 this->updateStackForSaveLayer(); | 645 this->updateStackForSaveLayer(); |
| 650 | 646 |
| 651 GrAccelData::SaveLayerInfo& dst = fAccelData->addSaveLayerInfo(); | 647 SkLayerInfo::BlockInfo& dst = fAccelData->addBlock(); |
| 652 | 648 |
| 653 // If src.fPicture is NULL the layer is in dp.picture; otherwise | 649 // If src.fPicture is NULL the layer is in dp.picture; otherwise |
| 654 // it belongs to a sub-picture. | 650 // it belongs to a sub-picture. |
| 655 dst.fPicture = src.fPicture ? src.fPicture : static_cast<const SkPic
ture*>(dp.picture); | 651 dst.fPicture = src.fPicture ? src.fPicture : static_cast<const SkPic
ture*>(dp.picture); |
| 656 dst.fPicture->ref(); | 652 dst.fPicture->ref(); |
| 657 dst.fBounds = newBound; | 653 dst.fBounds = newBound; |
| 658 dst.fLocalMat = src.fLocalMat; | 654 dst.fLocalMat = src.fLocalMat; |
| 659 dst.fPreMat = src.fPreMat; | 655 dst.fPreMat = src.fPreMat; |
| 660 dst.fPreMat.postConcat(fFillBounds.ctm()); | 656 dst.fPreMat.postConcat(fFillBounds.ctm()); |
| 661 if (src.fPaint) { | 657 if (src.fPaint) { |
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| 699 | 695 |
| 700 SaveLayerInfo sli; | 696 SaveLayerInfo sli; |
| 701 fSaveLayerStack.pop(&sli); | 697 fSaveLayerStack.pop(&sli); |
| 702 | 698 |
| 703 if (!sli.fIsSaveLayer) { | 699 if (!sli.fIsSaveLayer) { |
| 704 return; | 700 return; |
| 705 } | 701 } |
| 706 | 702 |
| 707 --fSaveLayersInStack; | 703 --fSaveLayersInStack; |
| 708 | 704 |
| 709 GrAccelData::SaveLayerInfo& slInfo = fAccelData->addSaveLayerInfo(); | 705 SkLayerInfo::BlockInfo& block = fAccelData->addBlock(); |
| 710 | 706 |
| 711 SkASSERT(NULL == slInfo.fPicture); // This layer is in the top-most pic
ture | 707 SkASSERT(NULL == block.fPicture); // This layer is in the top-most pict
ure |
| 712 | 708 |
| 713 slInfo.fBounds = fFillBounds.getBounds(sli.fStartIndex); | 709 block.fBounds = fFillBounds.getBounds(sli.fStartIndex); |
| 714 slInfo.fLocalMat = fFillBounds.ctm(); | 710 block.fLocalMat = fFillBounds.ctm(); |
| 715 slInfo.fPreMat = SkMatrix::I(); | 711 block.fPreMat = SkMatrix::I(); |
| 716 if (sli.fPaint) { | 712 if (sli.fPaint) { |
| 717 slInfo.fPaint = SkNEW_ARGS(SkPaint, (*sli.fPaint)); | 713 block.fPaint = SkNEW_ARGS(SkPaint, (*sli.fPaint)); |
| 718 } | 714 } |
| 719 slInfo.fSaveLayerOpID = sli.fStartIndex; | 715 block.fSaveLayerOpID = sli.fStartIndex; |
| 720 slInfo.fRestoreOpID = fFillBounds.currentOp(); | 716 block.fRestoreOpID = fFillBounds.currentOp(); |
| 721 slInfo.fHasNestedLayers = sli.fHasNestedSaveLayer; | 717 block.fHasNestedLayers = sli.fHasNestedSaveLayer; |
| 722 slInfo.fIsNested = fSaveLayersInStack > 0; | 718 block.fIsNested = fSaveLayersInStack > 0; |
| 723 } | 719 } |
| 724 | 720 |
| 725 // Used to collect saveLayer information for layer hoisting | 721 // Used to collect saveLayer information for layer hoisting |
| 726 int fSaveLayersInStack; | 722 int fSaveLayersInStack; |
| 727 SkTDArray<SaveLayerInfo> fSaveLayerStack; | 723 SkTDArray<SaveLayerInfo> fSaveLayerStack; |
| 728 GrAccelData* fAccelData; | 724 SkLayerInfo* fAccelData; |
| 729 | 725 |
| 730 SkRecords::FillBounds fFillBounds; | 726 SkRecords::FillBounds fFillBounds; |
| 731 }; | 727 }; |
| 732 #endif | |
| 733 | 728 |
| 734 } // namespace SkRecords | 729 } // namespace SkRecords |
| 735 | 730 |
| 736 void SkRecordFillBounds(const SkRect& cullRect, const SkRecord& record, SkBBoxHi
erarchy* bbh) { | 731 void SkRecordFillBounds(const SkRect& cullRect, const SkRecord& record, SkBBoxHi
erarchy* bbh) { |
| 737 SkRecords::FillBounds visitor(cullRect, record); | 732 SkRecords::FillBounds visitor(cullRect, record); |
| 738 | 733 |
| 739 for (unsigned curOp = 0; curOp < record.count(); curOp++) { | 734 for (unsigned curOp = 0; curOp < record.count(); curOp++) { |
| 740 visitor.setCurrentOp(curOp); | 735 visitor.setCurrentOp(curOp); |
| 741 record.visit<void>(curOp, visitor); | 736 record.visit<void>(curOp, visitor); |
| 742 } | 737 } |
| 743 | 738 |
| 744 visitor.cleanUp(bbh); | 739 visitor.cleanUp(bbh); |
| 745 } | 740 } |
| 746 | 741 |
| 747 #if SK_SUPPORT_GPU | |
| 748 void SkRecordComputeLayers(const SkRect& cullRect, const SkRecord& record, | 742 void SkRecordComputeLayers(const SkRect& cullRect, const SkRecord& record, |
| 749 SkBBoxHierarchy* bbh, GrAccelData* data) { | 743 SkBBoxHierarchy* bbh, SkLayerInfo* data) { |
| 750 SkRecords::CollectLayers visitor(cullRect, record, data); | 744 SkRecords::CollectLayers visitor(cullRect, record, data); |
| 751 | 745 |
| 752 for (unsigned curOp = 0; curOp < record.count(); curOp++) { | 746 for (unsigned curOp = 0; curOp < record.count(); curOp++) { |
| 753 visitor.setCurrentOp(curOp); | 747 visitor.setCurrentOp(curOp); |
| 754 record.visit<void>(curOp, visitor); | 748 record.visit<void>(curOp, visitor); |
| 755 } | 749 } |
| 756 | 750 |
| 757 visitor.cleanUp(bbh); | 751 visitor.cleanUp(bbh); |
| 758 } | 752 } |
| 759 #endif | |
| 760 | 753 |
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