| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/core/SkPictureRecord.h" |
| |
| #include "include/core/SkRRect.h" |
| #include "include/core/SkRSXform.h" |
| #include "include/core/SkSurface.h" |
| #include "include/core/SkTextBlob.h" |
| #include "include/private/base/SkTo.h" |
| #include "src/base/SkTSearch.h" |
| #include "src/core/SkCanvasPriv.h" |
| #include "src/core/SkDrawShadowInfo.h" |
| #include "src/core/SkMatrixPriv.h" |
| #include "src/core/SkSamplingPriv.h" |
| #include "src/image/SkImage_Base.h" |
| #include "src/utils/SkPatchUtils.h" |
| |
| #if defined(SK_GANESH) |
| #include "include/private/chromium/Slug.h" |
| #endif |
| |
| using namespace skia_private; |
| |
| #define HEAP_BLOCK_SIZE 4096 |
| |
| enum { |
| // just need a value that save or getSaveCount would never return |
| kNoInitialSave = -1, |
| }; |
| |
| // A lot of basic types get stored as a uint32_t: bools, ints, paint indices, etc. |
| static int const kUInt32Size = 4; |
| |
| SkPictureRecord::SkPictureRecord(const SkIRect& dimensions, uint32_t flags) |
| : INHERITED(dimensions) |
| , fRecordFlags(flags) |
| , fInitialSaveCount(kNoInitialSave) { |
| } |
| |
| SkPictureRecord::SkPictureRecord(const SkISize& dimensions, uint32_t flags) |
| : SkPictureRecord(SkIRect::MakeSize(dimensions), flags) {} |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void SkPictureRecord::onFlush() { |
| size_t size = sizeof(kUInt32Size); |
| size_t initialOffset = this->addDraw(FLUSH, &size); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::willSave() { |
| // record the offset to us, making it non-positive to distinguish a save |
| // from a clip entry. |
| fRestoreOffsetStack.push_back(-(int32_t)fWriter.bytesWritten()); |
| this->recordSave(); |
| |
| this->INHERITED::willSave(); |
| } |
| |
| void SkPictureRecord::recordSave() { |
| // op only |
| size_t size = sizeof(kUInt32Size); |
| size_t initialOffset = this->addDraw(SAVE, &size); |
| |
| this->validate(initialOffset, size); |
| } |
| |
| SkCanvas::SaveLayerStrategy SkPictureRecord::getSaveLayerStrategy(const SaveLayerRec& rec) { |
| // record the offset to us, making it non-positive to distinguish a save |
| // from a clip entry. |
| fRestoreOffsetStack.push_back(-(int32_t)fWriter.bytesWritten()); |
| this->recordSaveLayer(rec); |
| |
| (void)this->INHERITED::getSaveLayerStrategy(rec); |
| /* No need for a (potentially very big) layer which we don't actually need |
| at this time (and may not be able to afford since during record our |
| clip starts out the size of the picture, which is often much larger |
| than the size of the actual device we'll use during playback). |
| */ |
| return kNoLayer_SaveLayerStrategy; |
| } |
| |
| bool SkPictureRecord::onDoSaveBehind(const SkRect* subset) { |
| fRestoreOffsetStack.push_back(-(int32_t)fWriter.bytesWritten()); |
| |
| size_t size = sizeof(kUInt32Size) + sizeof(uint32_t); // op + flags |
| uint32_t flags = 0; |
| if (subset) { |
| flags |= SAVEBEHIND_HAS_SUBSET; |
| size += sizeof(*subset); |
| } |
| |
| size_t initialOffset = this->addDraw(SAVE_BEHIND, &size); |
| this->addInt(flags); |
| if (subset) { |
| this->addRect(*subset); |
| } |
| |
| this->validate(initialOffset, size); |
| return false; |
| } |
| |
| void SkPictureRecord::recordSaveLayer(const SaveLayerRec& rec) { |
| // op + flatflags |
| size_t size = 2 * kUInt32Size; |
| uint32_t flatFlags = 0; |
| |
| if (rec.fBounds) { |
| flatFlags |= SAVELAYERREC_HAS_BOUNDS; |
| size += sizeof(*rec.fBounds); |
| } |
| if (rec.fPaint) { |
| flatFlags |= SAVELAYERREC_HAS_PAINT; |
| size += sizeof(uint32_t); // index |
| } |
| if (rec.fBackdrop) { |
| flatFlags |= SAVELAYERREC_HAS_BACKDROP; |
| size += sizeof(uint32_t); // (paint) index |
| } |
| if (rec.fSaveLayerFlags) { |
| flatFlags |= SAVELAYERREC_HAS_FLAGS; |
| size += sizeof(uint32_t); |
| } |
| if (SkCanvasPriv::GetBackdropScaleFactor(rec) != 1.f) { |
| flatFlags |= SAVELAYERREC_HAS_BACKDROP_SCALE; |
| size += sizeof(SkScalar); |
| } |
| |
| const size_t initialOffset = this->addDraw(SAVE_LAYER_SAVELAYERREC, &size); |
| this->addInt(flatFlags); |
| if (flatFlags & SAVELAYERREC_HAS_BOUNDS) { |
| this->addRect(*rec.fBounds); |
| } |
| if (flatFlags & SAVELAYERREC_HAS_PAINT) { |
| this->addPaintPtr(rec.fPaint); |
| } |
| if (flatFlags & SAVELAYERREC_HAS_BACKDROP) { |
| // overkill, but we didn't already track single flattenables, so using a paint for that |
| SkPaint paint; |
| paint.setImageFilter(sk_ref_sp(const_cast<SkImageFilter*>(rec.fBackdrop))); |
| this->addPaint(paint); |
| } |
| if (flatFlags & SAVELAYERREC_HAS_FLAGS) { |
| this->addInt(rec.fSaveLayerFlags); |
| } |
| if (flatFlags & SAVELAYERREC_HAS_BACKDROP_SCALE) { |
| this->addScalar(SkCanvasPriv::GetBackdropScaleFactor(rec)); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| #ifdef SK_DEBUG |
| /* |
| * Read the op code from 'offset' in 'writer' and extract the size too. |
| */ |
| static DrawType peek_op_and_size(SkWriter32* writer, size_t offset, uint32_t* size) { |
| uint32_t peek = writer->readTAt<uint32_t>(offset); |
| |
| uint32_t op; |
| UNPACK_8_24(peek, op, *size); |
| if (MASK_24 == *size) { |
| // size required its own slot right after the op code |
| *size = writer->readTAt<uint32_t>(offset + kUInt32Size); |
| } |
| return (DrawType) op; |
| } |
| #endif//SK_DEBUG |
| |
| void SkPictureRecord::willRestore() { |
| #if 0 |
| SkASSERT(fRestoreOffsetStack.count() > 1); |
| #endif |
| |
| // check for underflow |
| if (fRestoreOffsetStack.empty()) { |
| return; |
| } |
| |
| this->recordRestore(); |
| |
| fRestoreOffsetStack.pop_back(); |
| |
| this->INHERITED::willRestore(); |
| } |
| |
| void SkPictureRecord::recordRestore(bool fillInSkips) { |
| if (fillInSkips) { |
| this->fillRestoreOffsetPlaceholdersForCurrentStackLevel((uint32_t)fWriter.bytesWritten()); |
| } |
| size_t size = 1 * kUInt32Size; // RESTORE consists solely of 1 op code |
| size_t initialOffset = this->addDraw(RESTORE, &size); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::recordTranslate(const SkMatrix& m) { |
| SkASSERT(SkMatrix::kTranslate_Mask == m.getType()); |
| |
| // op + dx + dy |
| size_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(TRANSLATE, &size); |
| this->addScalar(m.getTranslateX()); |
| this->addScalar(m.getTranslateY()); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::recordScale(const SkMatrix& m) { |
| SkASSERT(SkMatrix::kScale_Mask == m.getType()); |
| |
| // op + sx + sy |
| size_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(SCALE, &size); |
| this->addScalar(m.getScaleX()); |
| this->addScalar(m.getScaleY()); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::didConcat44(const SkM44& m) { |
| this->validate(fWriter.bytesWritten(), 0); |
| // op + matrix |
| size_t size = kUInt32Size + 16 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(CONCAT44, &size); |
| fWriter.write(SkMatrixPriv::M44ColMajor(m), 16 * sizeof(SkScalar)); |
| this->validate(initialOffset, size); |
| |
| this->INHERITED::didConcat44(m); |
| } |
| |
| void SkPictureRecord::didSetM44(const SkM44& m) { |
| this->validate(fWriter.bytesWritten(), 0); |
| // op + matrix |
| size_t size = kUInt32Size + 16 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(SET_M44, &size); |
| fWriter.write(SkMatrixPriv::M44ColMajor(m), 16 * sizeof(SkScalar)); |
| this->validate(initialOffset, size); |
| this->INHERITED::didSetM44(m); |
| } |
| |
| void SkPictureRecord::didScale(SkScalar x, SkScalar y) { |
| this->didConcat44(SkM44::Scale(x, y)); |
| } |
| |
| void SkPictureRecord::didTranslate(SkScalar x, SkScalar y) { |
| this->didConcat44(SkM44::Translate(x, y)); |
| } |
| |
| void SkPictureRecord::recordConcat(const SkMatrix& matrix) { |
| this->validate(fWriter.bytesWritten(), 0); |
| // op + matrix |
| size_t size = kUInt32Size + SkMatrixPriv::WriteToMemory(matrix, nullptr); |
| size_t initialOffset = this->addDraw(CONCAT, &size); |
| this->addMatrix(matrix); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::fillRestoreOffsetPlaceholdersForCurrentStackLevel(uint32_t restoreOffset) { |
| int32_t offset = fRestoreOffsetStack.back(); |
| while (offset > 0) { |
| uint32_t peek = fWriter.readTAt<uint32_t>(offset); |
| fWriter.overwriteTAt(offset, restoreOffset); |
| offset = peek; |
| } |
| |
| #ifdef SK_DEBUG |
| // offset of 0 has been disabled, so we skip it |
| if (offset > 0) { |
| // assert that the final offset value points to a save verb |
| uint32_t opSize; |
| DrawType drawOp = peek_op_and_size(&fWriter, -offset, &opSize); |
| SkASSERT(SAVE == drawOp || SAVE_LAYER_SAVELAYERREC == drawOp); |
| } |
| #endif |
| } |
| |
| void SkPictureRecord::beginRecording() { |
| // we have to call this *after* our constructor, to ensure that it gets |
| // recorded. This is balanced by restoreToCount() call from endRecording, |
| // which in-turn calls our overridden restore(), so those get recorded too. |
| fInitialSaveCount = this->save(); |
| } |
| |
| void SkPictureRecord::endRecording() { |
| SkASSERT(kNoInitialSave != fInitialSaveCount); |
| this->restoreToCount(fInitialSaveCount); |
| } |
| |
| size_t SkPictureRecord::recordRestoreOffsetPlaceholder() { |
| if (fRestoreOffsetStack.empty()) { |
| return -1; |
| } |
| |
| // The RestoreOffset field is initially filled with a placeholder |
| // value that points to the offset of the previous RestoreOffset |
| // in the current stack level, thus forming a linked list so that |
| // the restore offsets can be filled in when the corresponding |
| // restore command is recorded. |
| int32_t prevOffset = fRestoreOffsetStack.back(); |
| |
| size_t offset = fWriter.bytesWritten(); |
| this->addInt(prevOffset); |
| fRestoreOffsetStack.back() = SkToU32(offset); |
| return offset; |
| } |
| |
| void SkPictureRecord::onClipRect(const SkRect& rect, SkClipOp op, ClipEdgeStyle edgeStyle) { |
| this->recordClipRect(rect, op, kSoft_ClipEdgeStyle == edgeStyle); |
| this->INHERITED::onClipRect(rect, op, edgeStyle); |
| } |
| |
| size_t SkPictureRecord::recordClipRect(const SkRect& rect, SkClipOp op, bool doAA) { |
| // id + rect + clip params |
| size_t size = 1 * kUInt32Size + sizeof(rect) + 1 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.empty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_RECT, &size); |
| this->addRect(rect); |
| this->addInt(ClipParams_pack(op, doAA)); |
| size_t offset = this->recordRestoreOffsetPlaceholder(); |
| |
| this->validate(initialOffset, size); |
| return offset; |
| } |
| |
| void SkPictureRecord::onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle edgeStyle) { |
| this->recordClipRRect(rrect, op, kSoft_ClipEdgeStyle == edgeStyle); |
| this->INHERITED::onClipRRect(rrect, op, edgeStyle); |
| } |
| |
| size_t SkPictureRecord::recordClipRRect(const SkRRect& rrect, SkClipOp op, bool doAA) { |
| // op + rrect + clip params |
| size_t size = 1 * kUInt32Size + SkRRect::kSizeInMemory + 1 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.empty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_RRECT, &size); |
| this->addRRect(rrect); |
| this->addInt(ClipParams_pack(op, doAA)); |
| size_t offset = recordRestoreOffsetPlaceholder(); |
| this->validate(initialOffset, size); |
| return offset; |
| } |
| |
| void SkPictureRecord::onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle edgeStyle) { |
| int pathID = this->addPathToHeap(path); |
| this->recordClipPath(pathID, op, kSoft_ClipEdgeStyle == edgeStyle); |
| this->INHERITED::onClipPath(path, op, edgeStyle); |
| } |
| |
| size_t SkPictureRecord::recordClipPath(int pathID, SkClipOp op, bool doAA) { |
| // op + path index + clip params |
| size_t size = 3 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.empty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_PATH, &size); |
| this->addInt(pathID); |
| this->addInt(ClipParams_pack(op, doAA)); |
| size_t offset = recordRestoreOffsetPlaceholder(); |
| this->validate(initialOffset, size); |
| return offset; |
| } |
| |
| void SkPictureRecord::onClipShader(sk_sp<SkShader> cs, SkClipOp op) { |
| // Overkill to store a whole paint, but we don't have an existing structure to just store |
| // shaders. If size becomes an issue in the future, we can optimize this. |
| SkPaint paint; |
| paint.setShader(cs); |
| |
| // op + paint index + clipop |
| size_t size = 3 * kUInt32Size; |
| size_t initialOffset = this->addDraw(CLIP_SHADER_IN_PAINT, &size); |
| this->addPaint(paint); |
| this->addInt((int)op); |
| this->validate(initialOffset, size); |
| |
| this->INHERITED::onClipShader(std::move(cs), op); |
| } |
| |
| void SkPictureRecord::onClipRegion(const SkRegion& region, SkClipOp op) { |
| this->recordClipRegion(region, op); |
| this->INHERITED::onClipRegion(region, op); |
| } |
| |
| size_t SkPictureRecord::recordClipRegion(const SkRegion& region, SkClipOp op) { |
| // op + clip params + region |
| size_t size = 2 * kUInt32Size + region.writeToMemory(nullptr); |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.empty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_REGION, &size); |
| this->addRegion(region); |
| this->addInt(ClipParams_pack(op, false)); |
| size_t offset = this->recordRestoreOffsetPlaceholder(); |
| |
| this->validate(initialOffset, size); |
| return offset; |
| } |
| |
| void SkPictureRecord::onResetClip() { |
| if (!fRestoreOffsetStack.empty()) { |
| // Run back through any previous clip ops, and mark their offset to |
| // be 0, disabling their ability to trigger a jump-to-restore, otherwise |
| // they could hide this expansion of the clip. |
| this->fillRestoreOffsetPlaceholdersForCurrentStackLevel(0); |
| } |
| size_t size = sizeof(kUInt32Size); |
| size_t initialOffset = this->addDraw(RESET_CLIP, &size); |
| this->validate(initialOffset, size); |
| this->INHERITED::onResetClip(); |
| } |
| |
| void SkPictureRecord::onDrawPaint(const SkPaint& paint) { |
| // op + paint index |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_PAINT, &size); |
| this->addPaint(paint); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawBehind(const SkPaint& paint) { |
| // logically the same as drawPaint, but with a diff enum |
| // op + paint index |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_BEHIND_PAINT, &size); |
| this->addPaint(paint); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| const SkPaint& paint) { |
| // op + paint index + mode + count + point data |
| size_t size = 4 * kUInt32Size + count * sizeof(SkPoint); |
| size_t initialOffset = this->addDraw(DRAW_POINTS, &size); |
| this->addPaint(paint); |
| |
| this->addInt(mode); |
| this->addInt(SkToInt(count)); |
| fWriter.writeMul4(pts, count * sizeof(SkPoint)); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawOval(const SkRect& oval, const SkPaint& paint) { |
| // op + paint index + rect |
| size_t size = 2 * kUInt32Size + sizeof(oval); |
| size_t initialOffset = this->addDraw(DRAW_OVAL, &size); |
| this->addPaint(paint); |
| this->addRect(oval); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, |
| bool useCenter, const SkPaint& paint) { |
| // op + paint index + rect + start + sweep + bool (as int) |
| size_t size = 2 * kUInt32Size + sizeof(oval) + sizeof(startAngle) + sizeof(sweepAngle) + |
| sizeof(int); |
| size_t initialOffset = this->addDraw(DRAW_ARC, &size); |
| this->addPaint(paint); |
| this->addRect(oval); |
| this->addScalar(startAngle); |
| this->addScalar(sweepAngle); |
| this->addInt(useCenter); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawRect(const SkRect& rect, const SkPaint& paint) { |
| // op + paint index + rect |
| size_t size = 2 * kUInt32Size + sizeof(rect); |
| size_t initialOffset = this->addDraw(DRAW_RECT, &size); |
| this->addPaint(paint); |
| this->addRect(rect); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawRegion(const SkRegion& region, const SkPaint& paint) { |
| // op + paint index + region |
| size_t regionBytes = region.writeToMemory(nullptr); |
| size_t size = 2 * kUInt32Size + regionBytes; |
| size_t initialOffset = this->addDraw(DRAW_REGION, &size); |
| this->addPaint(paint); |
| fWriter.writeRegion(region); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| // op + paint index + rrect |
| size_t size = 2 * kUInt32Size + SkRRect::kSizeInMemory; |
| size_t initialOffset = this->addDraw(DRAW_RRECT, &size); |
| this->addPaint(paint); |
| this->addRRect(rrect); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, |
| const SkPaint& paint) { |
| // op + paint index + rrects |
| size_t size = 2 * kUInt32Size + SkRRect::kSizeInMemory * 2; |
| size_t initialOffset = this->addDraw(DRAW_DRRECT, &size); |
| this->addPaint(paint); |
| this->addRRect(outer); |
| this->addRRect(inner); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPath(const SkPath& path, const SkPaint& paint) { |
| // op + paint index + path index |
| size_t size = 3 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_PATH, &size); |
| this->addPaint(paint); |
| this->addPath(path); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawImage2(const SkImage* image, SkScalar x, SkScalar y, |
| const SkSamplingOptions& sampling, const SkPaint* paint) { |
| // op + paint_index + image_index + x + y |
| size_t size = 3 * kUInt32Size + 2 * sizeof(SkScalar) + SkSamplingPriv::FlatSize(sampling); |
| size_t initialOffset = this->addDraw(DRAW_IMAGE2, &size); |
| this->addPaintPtr(paint); |
| this->addImage(image); |
| this->addScalar(x); |
| this->addScalar(y); |
| this->addSampling(sampling); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawImageRect2(const SkImage* image, const SkRect& src, const SkRect& dst, |
| const SkSamplingOptions& sampling, const SkPaint* paint, |
| SrcRectConstraint constraint) { |
| // id + paint_index + image_index + constraint |
| size_t size = 3 * kUInt32Size + 2 * sizeof(dst) + SkSamplingPriv::FlatSize(sampling) + |
| kUInt32Size; |
| |
| size_t initialOffset = this->addDraw(DRAW_IMAGE_RECT2, &size); |
| this->addPaintPtr(paint); |
| this->addImage(image); |
| this->addRect(src); |
| this->addRect(dst); |
| this->addSampling(sampling); |
| this->addInt(constraint); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawImageLattice2(const SkImage* image, const Lattice& lattice, |
| const SkRect& dst, SkFilterMode filter, |
| const SkPaint* paint) { |
| size_t latticeSize = SkCanvasPriv::WriteLattice(nullptr, lattice); |
| // op + paint index + image index + lattice + dst rect |
| size_t size = 3 * kUInt32Size + latticeSize + sizeof(dst) + sizeof(uint32_t); // filter |
| size_t initialOffset = this->addDraw(DRAW_IMAGE_LATTICE2, &size); |
| this->addPaintPtr(paint); |
| this->addImage(image); |
| (void)SkCanvasPriv::WriteLattice(fWriter.reservePad(latticeSize), lattice); |
| this->addRect(dst); |
| this->addInt(static_cast<uint32_t>(filter)); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| const SkPaint& paint) { |
| |
| // op + paint index + blob index + x/y |
| size_t size = 3 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(DRAW_TEXT_BLOB, &size); |
| |
| this->addPaint(paint); |
| this->addTextBlob(blob); |
| this->addScalar(x); |
| this->addScalar(y); |
| |
| this->validate(initialOffset, size); |
| } |
| |
| #if defined(SK_GANESH) |
| void SkPictureRecord::onDrawSlug(const sktext::gpu::Slug* slug) { |
| // op + slug id |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_SLUG, &size); |
| |
| this->addSlug(slug); |
| this->validate(initialOffset, size); |
| } |
| #endif |
| |
| void SkPictureRecord::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix, |
| const SkPaint* paint) { |
| // op + picture index |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset; |
| |
| if (nullptr == matrix && nullptr == paint) { |
| initialOffset = this->addDraw(DRAW_PICTURE, &size); |
| this->addPicture(picture); |
| } else { |
| const SkMatrix& m = matrix ? *matrix : SkMatrix::I(); |
| size += SkMatrixPriv::WriteToMemory(m, nullptr) + kUInt32Size; // matrix + paint |
| initialOffset = this->addDraw(DRAW_PICTURE_MATRIX_PAINT, &size); |
| this->addPaintPtr(paint); |
| this->addMatrix(m); |
| this->addPicture(picture); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) { |
| // op + drawable index |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset; |
| |
| if (nullptr == matrix) { |
| initialOffset = this->addDraw(DRAW_DRAWABLE, &size); |
| this->addDrawable(drawable); |
| } else { |
| size += SkMatrixPriv::WriteToMemory(*matrix, nullptr); // matrix |
| initialOffset = this->addDraw(DRAW_DRAWABLE_MATRIX, &size); |
| this->addMatrix(*matrix); |
| this->addDrawable(drawable); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawVerticesObject(const SkVertices* vertices, |
| SkBlendMode mode, const SkPaint& paint) { |
| // op + paint index + vertices index + zero_bones + mode |
| size_t size = 5 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_VERTICES_OBJECT, &size); |
| |
| this->addPaint(paint); |
| this->addVertices(vertices); |
| this->addInt(0); // legacy bone count |
| this->addInt(static_cast<uint32_t>(mode)); |
| |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| const SkPoint texCoords[4], SkBlendMode bmode, |
| const SkPaint& paint) { |
| // op + paint index + patch 12 control points + flag + patch 4 colors + 4 texture coordinates |
| size_t size = 2 * kUInt32Size + SkPatchUtils::kNumCtrlPts * sizeof(SkPoint) + kUInt32Size; |
| uint32_t flag = 0; |
| if (colors) { |
| flag |= DRAW_VERTICES_HAS_COLORS; |
| size += SkPatchUtils::kNumCorners * sizeof(SkColor); |
| } |
| if (texCoords) { |
| flag |= DRAW_VERTICES_HAS_TEXS; |
| size += SkPatchUtils::kNumCorners * sizeof(SkPoint); |
| } |
| if (SkBlendMode::kModulate != bmode) { |
| flag |= DRAW_VERTICES_HAS_XFER; |
| size += kUInt32Size; |
| } |
| |
| size_t initialOffset = this->addDraw(DRAW_PATCH, &size); |
| this->addPaint(paint); |
| this->addPatch(cubics); |
| this->addInt(flag); |
| |
| // write optional parameters |
| if (colors) { |
| fWriter.write(colors, SkPatchUtils::kNumCorners * sizeof(SkColor)); |
| } |
| if (texCoords) { |
| fWriter.write(texCoords, SkPatchUtils::kNumCorners * sizeof(SkPoint)); |
| } |
| if (flag & DRAW_VERTICES_HAS_XFER) { |
| this->addInt((int)bmode); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawAtlas2(const SkImage* atlas, const SkRSXform xform[], const SkRect tex[], |
| const SkColor colors[], int count, SkBlendMode mode, |
| const SkSamplingOptions& sampling, const SkRect* cull, |
| const SkPaint* paint) { |
| // [op + paint-index + atlas-index + flags + count] + [xform] + [tex] + [*colors + mode] + cull |
| size_t size = 5 * kUInt32Size + count * sizeof(SkRSXform) + count * sizeof(SkRect); |
| size += SkSamplingPriv::FlatSize(sampling); |
| uint32_t flags = 0; |
| if (colors) { |
| flags |= DRAW_ATLAS_HAS_COLORS; |
| size += count * sizeof(SkColor); |
| size += sizeof(uint32_t); // xfermode::mode |
| } |
| if (cull) { |
| flags |= DRAW_ATLAS_HAS_CULL; |
| size += sizeof(SkRect); |
| } |
| flags |= DRAW_ATLAS_HAS_SAMPLING; |
| |
| size_t initialOffset = this->addDraw(DRAW_ATLAS, &size); |
| this->addPaintPtr(paint); |
| this->addImage(atlas); |
| this->addInt(flags); |
| this->addInt(count); |
| fWriter.write(xform, count * sizeof(SkRSXform)); |
| fWriter.write(tex, count * sizeof(SkRect)); |
| |
| // write optional parameters |
| if (colors) { |
| fWriter.write(colors, count * sizeof(SkColor)); |
| this->addInt((int)mode); |
| } |
| if (cull) { |
| fWriter.write(cull, sizeof(SkRect)); |
| } |
| this->addSampling(sampling); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawShadowRec(const SkPath& path, const SkDrawShadowRec& rec) { |
| // op + path index + zParams + lightPos + lightRadius + spot/ambient alphas + color + flags |
| size_t size = 2 * kUInt32Size + 2 * sizeof(SkPoint3) + 1 * sizeof(SkScalar) + 3 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_SHADOW_REC, &size); |
| |
| this->addPath(path); |
| |
| fWriter.writePoint3(rec.fZPlaneParams); |
| fWriter.writePoint3(rec.fLightPos); |
| fWriter.writeScalar(rec.fLightRadius); |
| fWriter.write32(rec.fAmbientColor); |
| fWriter.write32(rec.fSpotColor); |
| fWriter.write32(rec.fFlags); |
| |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) { |
| size_t keyLen = SkWriter32::WriteStringSize(key); |
| size_t valueLen = SkWriter32::WriteDataSize(value); |
| size_t size = 4 + sizeof(SkRect) + keyLen + valueLen; |
| |
| size_t initialOffset = this->addDraw(DRAW_ANNOTATION, &size); |
| this->addRect(rect); |
| fWriter.writeString(key); |
| fWriter.writeData(value); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawEdgeAAQuad(const SkRect& rect, const SkPoint clip[4], |
| SkCanvas::QuadAAFlags aa, const SkColor4f& color, |
| SkBlendMode mode) { |
| |
| // op + rect + aa flags + color + mode + hasClip(as int) + clipCount*points |
| size_t size = 4 * kUInt32Size + sizeof(SkColor4f) + sizeof(rect) + |
| (clip ? 4 : 0) * sizeof(SkPoint); |
| size_t initialOffset = this->addDraw(DRAW_EDGEAA_QUAD, &size); |
| this->addRect(rect); |
| this->addInt((int) aa); |
| fWriter.write(&color, sizeof(SkColor4f)); |
| this->addInt((int) mode); |
| this->addInt(clip != nullptr); |
| if (clip) { |
| this->addPoints(clip, 4); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawEdgeAAImageSet2(const SkCanvas::ImageSetEntry set[], int count, |
| const SkPoint dstClips[], |
| const SkMatrix preViewMatrices[], |
| const SkSamplingOptions& sampling, |
| const SkPaint* paint, |
| SkCanvas::SrcRectConstraint constraint) { |
| static constexpr size_t kMatrixSize = 9 * sizeof(SkScalar); // *not* sizeof(SkMatrix) |
| // op + count + paint + constraint + (image index, src rect, dst rect, alpha, aa flags, |
| // hasClip(int), matrixIndex) * cnt + totalClipCount + dstClips + totalMatrixCount + matrices |
| int totalDstClipCount, totalMatrixCount; |
| SkCanvasPriv::GetDstClipAndMatrixCounts(set, count, &totalDstClipCount, &totalMatrixCount); |
| |
| size_t size = 6 * kUInt32Size + sizeof(SkPoint) * totalDstClipCount + |
| kMatrixSize * totalMatrixCount + |
| (4 * kUInt32Size + 2 * sizeof(SkRect) + sizeof(SkScalar)) * count + |
| SkSamplingPriv::FlatSize(sampling); |
| size_t initialOffset = this->addDraw(DRAW_EDGEAA_IMAGE_SET2, &size); |
| this->addInt(count); |
| this->addPaintPtr(paint); |
| this->addSampling(sampling); |
| this->addInt((int) constraint); |
| for (int i = 0; i < count; ++i) { |
| this->addImage(set[i].fImage.get()); |
| this->addRect(set[i].fSrcRect); |
| this->addRect(set[i].fDstRect); |
| this->addInt(set[i].fMatrixIndex); |
| this->addScalar(set[i].fAlpha); |
| this->addInt((int)set[i].fAAFlags); |
| this->addInt(set[i].fHasClip); |
| } |
| this->addInt(totalDstClipCount); |
| this->addPoints(dstClips, totalDstClipCount); |
| this->addInt(totalMatrixCount); |
| for (int i = 0; i < totalMatrixCount; ++i) { |
| this->addMatrix(preViewMatrices[i]); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| // De-duping helper. |
| |
| template <typename T> |
| static bool equals(T* a, T* b) { return a->uniqueID() == b->uniqueID(); } |
| |
| template <> |
| bool equals(SkDrawable* a, SkDrawable* b) { |
| // SkDrawable's generationID is not a stable unique identifier. |
| return a == b; |
| } |
| |
| template <typename T> |
| static int find_or_append(TArray<sk_sp<T>>& array, T* obj) { |
| for (int i = 0; i < array.size(); i++) { |
| if (equals(array[i].get(), obj)) { |
| return i; |
| } |
| } |
| |
| array.push_back(sk_ref_sp(obj)); |
| |
| return array.size() - 1; |
| } |
| |
| sk_sp<SkSurface> SkPictureRecord::onNewSurface(const SkImageInfo& info, const SkSurfaceProps&) { |
| return nullptr; |
| } |
| |
| void SkPictureRecord::addImage(const SkImage* image) { |
| // convention for images is 0-based index |
| this->addInt(find_or_append(fImages, image)); |
| } |
| |
| void SkPictureRecord::addMatrix(const SkMatrix& matrix) { |
| fWriter.writeMatrix(matrix); |
| } |
| |
| void SkPictureRecord::addPaintPtr(const SkPaint* paint) { |
| if (paint) { |
| fPaints.push_back(*paint); |
| this->addInt(fPaints.size()); |
| } else { |
| this->addInt(0); |
| } |
| } |
| |
| int SkPictureRecord::addPathToHeap(const SkPath& path) { |
| if (int* n = fPaths.find(path)) { |
| return *n; |
| } |
| int n = fPaths.count() + 1; // 0 is reserved for null / error. |
| fPaths.set(path, n); |
| return n; |
| } |
| |
| void SkPictureRecord::addPath(const SkPath& path) { |
| this->addInt(this->addPathToHeap(path)); |
| } |
| |
| void SkPictureRecord::addPatch(const SkPoint cubics[12]) { |
| fWriter.write(cubics, SkPatchUtils::kNumCtrlPts * sizeof(SkPoint)); |
| } |
| |
| void SkPictureRecord::addPicture(const SkPicture* picture) { |
| // follow the convention of recording a 1-based index |
| this->addInt(find_or_append(fPictures, picture) + 1); |
| } |
| |
| void SkPictureRecord::addDrawable(SkDrawable* drawable) { |
| // follow the convention of recording a 1-based index |
| this->addInt(find_or_append(fDrawables, drawable) + 1); |
| } |
| |
| void SkPictureRecord::addPoint(const SkPoint& point) { |
| fWriter.writePoint(point); |
| } |
| |
| void SkPictureRecord::addPoints(const SkPoint pts[], int count) { |
| fWriter.writeMul4(pts, count * sizeof(SkPoint)); |
| } |
| |
| void SkPictureRecord::addNoOp() { |
| size_t size = kUInt32Size; // op |
| this->addDraw(NOOP, &size); |
| } |
| |
| void SkPictureRecord::addRect(const SkRect& rect) { |
| fWriter.writeRect(rect); |
| } |
| |
| void SkPictureRecord::addRectPtr(const SkRect* rect) { |
| if (fWriter.writeBool(rect != nullptr)) { |
| fWriter.writeRect(*rect); |
| } |
| } |
| |
| void SkPictureRecord::addIRect(const SkIRect& rect) { |
| fWriter.write(&rect, sizeof(rect)); |
| } |
| |
| void SkPictureRecord::addIRectPtr(const SkIRect* rect) { |
| if (fWriter.writeBool(rect != nullptr)) { |
| *(SkIRect*)fWriter.reserve(sizeof(SkIRect)) = *rect; |
| } |
| } |
| |
| void SkPictureRecord::addRRect(const SkRRect& rrect) { |
| fWriter.writeRRect(rrect); |
| } |
| |
| void SkPictureRecord::addRegion(const SkRegion& region) { |
| fWriter.writeRegion(region); |
| } |
| |
| void SkPictureRecord::addSampling(const SkSamplingOptions& sampling) { |
| fWriter.writeSampling(sampling); |
| } |
| |
| void SkPictureRecord::addText(const void* text, size_t byteLength) { |
| addInt(SkToInt(byteLength)); |
| fWriter.writePad(text, byteLength); |
| } |
| |
| void SkPictureRecord::addTextBlob(const SkTextBlob* blob) { |
| // follow the convention of recording a 1-based index |
| this->addInt(find_or_append(fTextBlobs, blob) + 1); |
| } |
| |
| #if defined(SK_GANESH) |
| void SkPictureRecord::addSlug(const sktext::gpu::Slug* slug) { |
| // follow the convention of recording a 1-based index |
| this->addInt(find_or_append(fSlugs, slug) + 1); |
| } |
| #endif |
| |
| void SkPictureRecord::addVertices(const SkVertices* vertices) { |
| // follow the convention of recording a 1-based index |
| this->addInt(find_or_append(fVertices, vertices) + 1); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |