| |
| /* |
| * 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 "SkPictureRecord.h" |
| #include "SkTSearch.h" |
| #include "SkPixelRef.h" |
| #include "SkRRect.h" |
| #include "SkBBoxHierarchy.h" |
| #include "SkDevice.h" |
| #include "SkPictureStateTree.h" |
| |
| #define MIN_WRITER_SIZE 16384 |
| #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; |
| |
| static const uint32_t kSaveSize = 2 * kUInt32Size; |
| static const uint32_t kSaveLayerNoBoundsSize = 4 * kUInt32Size; |
| static const uint32_t kSaveLayerWithBoundsSize = 4 * kUInt32Size + sizeof(SkRect); |
| |
| SkPictureRecord::SkPictureRecord(uint32_t flags, SkBaseDevice* device) : |
| INHERITED(device), |
| fBoundingHierarchy(NULL), |
| fStateTree(NULL), |
| fFlattenableHeap(HEAP_BLOCK_SIZE), |
| fMatrices(&fFlattenableHeap), |
| fPaints(&fFlattenableHeap), |
| fRegions(&fFlattenableHeap), |
| fWriter(MIN_WRITER_SIZE), |
| fRecordFlags(flags) { |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes = fRectBytes = fTextBytes = 0; |
| fPointWrites = fRectWrites = fTextWrites = 0; |
| #endif |
| |
| fRestoreOffsetStack.setReserve(32); |
| |
| fBitmapHeap = SkNEW(SkBitmapHeap); |
| fFlattenableHeap.setBitmapStorage(fBitmapHeap); |
| fPathHeap = NULL; // lazy allocate |
| fFirstSavedLayerIndex = kNoSavedLayerIndex; |
| |
| fInitialSaveCount = kNoInitialSave; |
| } |
| |
| SkPictureRecord::~SkPictureRecord() { |
| SkSafeUnref(fBitmapHeap); |
| SkSafeUnref(fPathHeap); |
| SkSafeUnref(fBoundingHierarchy); |
| SkSafeUnref(fStateTree); |
| fFlattenableHeap.setBitmapStorage(NULL); |
| fPictureRefs.unrefAll(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| // Return the offset of the paint inside a given op's byte stream. A zero |
| // return value means there is no paint (and you really shouldn't be calling |
| // this method) |
| static inline uint32_t getPaintOffset(DrawType op, uint32_t opSize) { |
| // These offsets are where the paint would be if the op size doesn't overflow |
| static const uint8_t gPaintOffsets[LAST_DRAWTYPE_ENUM + 1] = { |
| 0, // UNUSED - no paint |
| 0, // CLIP_PATH - no paint |
| 0, // CLIP_REGION - no paint |
| 0, // CLIP_RECT - no paint |
| 0, // CLIP_RRECT - no paint |
| 0, // CONCAT - no paint |
| 1, // DRAW_BITMAP - right after op code |
| 1, // DRAW_BITMAP_MATRIX - right after op code |
| 1, // DRAW_BITMAP_NINE - right after op code |
| 1, // DRAW_BITMAP_RECT_TO_RECT - right after op code |
| 0, // DRAW_CLEAR - no paint |
| 0, // DRAW_DATA - no paint |
| 1, // DRAW_OVAL - right after op code |
| 1, // DRAW_PAINT - right after op code |
| 1, // DRAW_PATH - right after op code |
| 0, // DRAW_PICTURE - no paint |
| 1, // DRAW_POINTS - right after op code |
| 1, // DRAW_POS_TEXT - right after op code |
| 1, // DRAW_POS_TEXT_TOP_BOTTOM - right after op code |
| 1, // DRAW_POS_TEXT_H - right after op code |
| 1, // DRAW_POS_TEXT_H_TOP_BOTTOM - right after op code |
| 1, // DRAW_RECT - right after op code |
| 1, // DRAW_RRECT - right after op code |
| 1, // DRAW_SPRITE - right after op code |
| 1, // DRAW_TEXT - right after op code |
| 1, // DRAW_TEXT_ON_PATH - right after op code |
| 1, // DRAW_TEXT_TOP_BOTTOM - right after op code |
| 1, // DRAW_VERTICES - right after op code |
| 0, // RESTORE - no paint |
| 0, // ROTATE - no paint |
| 0, // SAVE - no paint |
| 0, // SAVE_LAYER - see below - this paint's location varies |
| 0, // SCALE - no paint |
| 0, // SET_MATRIX - no paint |
| 0, // SKEW - no paint |
| 0, // TRANSLATE - no paint |
| 0, // NOOP - no paint |
| 0, // BEGIN_GROUP - no paint |
| 0, // COMMENT - no paint |
| 0, // END_GROUP - no paint |
| }; |
| |
| SkASSERT(sizeof(gPaintOffsets) == LAST_DRAWTYPE_ENUM + 1); |
| SkASSERT((unsigned)op <= (unsigned)LAST_DRAWTYPE_ENUM); |
| |
| int overflow = 0; |
| if (0 != (opSize & ~MASK_24) || opSize == MASK_24) { |
| // This op's size overflows so an extra uint32_t will be written |
| // after the op code |
| overflow = sizeof(uint32_t); |
| } |
| |
| if (SAVE_LAYER == op) { |
| static const uint32_t kSaveLayerNoBoundsPaintOffset = 2 * kUInt32Size; |
| static const uint32_t kSaveLayerWithBoundsPaintOffset = 2 * kUInt32Size + sizeof(SkRect); |
| |
| if (kSaveLayerNoBoundsSize == opSize) { |
| return kSaveLayerNoBoundsPaintOffset + overflow; |
| } else { |
| SkASSERT(kSaveLayerWithBoundsSize == opSize); |
| return kSaveLayerWithBoundsPaintOffset + overflow; |
| } |
| } |
| |
| SkASSERT(0 != gPaintOffsets[op]); // really shouldn't be calling this method |
| return gPaintOffsets[op] * sizeof(uint32_t) + overflow; |
| } |
| |
| SkBaseDevice* SkPictureRecord::setDevice(SkBaseDevice* device) { |
| SkDEBUGFAIL("eeek, don't try to change the device on a recording canvas"); |
| return this->INHERITED::setDevice(device); |
| } |
| |
| int SkPictureRecord::save(SaveFlags flags) { |
| // record the offset to us, making it non-positive to distinguish a save |
| // from a clip entry. |
| fRestoreOffsetStack.push(-(int32_t)fWriter.size()); |
| |
| // op + flags |
| uint32_t size = kSaveSize; |
| size_t initialOffset = this->addDraw(SAVE, &size); |
| addInt(flags); |
| |
| this->validate(initialOffset, size); |
| return this->INHERITED::save(flags); |
| } |
| |
| int SkPictureRecord::saveLayer(const SkRect* bounds, const SkPaint* paint, |
| SaveFlags flags) { |
| // record the offset to us, making it non-positive to distinguish a save |
| // from a clip entry. |
| fRestoreOffsetStack.push(-(int32_t)fWriter.size()); |
| |
| // op + bool for 'bounds' |
| uint32_t size = 2 * kUInt32Size; |
| if (NULL != bounds) { |
| size += sizeof(*bounds); // + rect |
| } |
| // + paint index + flags |
| size += 2 * kUInt32Size; |
| |
| SkASSERT(kSaveLayerNoBoundsSize == size || kSaveLayerWithBoundsSize == size); |
| |
| size_t initialOffset = this->addDraw(SAVE_LAYER, &size); |
| addRectPtr(bounds); |
| SkASSERT(initialOffset+getPaintOffset(SAVE_LAYER, size) == fWriter.size()); |
| addPaintPtr(paint); |
| addInt(flags); |
| |
| if (kNoSavedLayerIndex == fFirstSavedLayerIndex) { |
| fFirstSavedLayerIndex = fRestoreOffsetStack.count(); |
| } |
| |
| this->validate(initialOffset, size); |
| /* Don't actually call saveLayer, because that will try to allocate an |
| offscreen device (potentially very big) 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). |
| */ |
| int count = this->INHERITED::save(flags); |
| this->clipRectBounds(bounds, flags, NULL); |
| return count; |
| } |
| |
| bool SkPictureRecord::isDrawingToLayer() const { |
| return fFirstSavedLayerIndex != kNoSavedLayerIndex; |
| } |
| |
| /* |
| * Read the op code from 'offset' in 'writer' and extract the size too. |
| */ |
| static DrawType peek_op_and_size(SkWriter32* writer, int32_t offset, uint32_t* size) { |
| uint32_t* peek = writer->peek32(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->peek32(offset+kUInt32Size); |
| } |
| return (DrawType) op; |
| } |
| |
| #ifdef TRACK_COLLAPSE_STATS |
| static int gCollapseCount, gCollapseCalls; |
| #endif |
| |
| // Is the supplied paint simply a color? |
| static bool is_simple(const SkPaint& p) { |
| intptr_t orAccum = (intptr_t)p.getPathEffect() | |
| (intptr_t)p.getShader() | |
| (intptr_t)p.getXfermode() | |
| (intptr_t)p.getMaskFilter() | |
| (intptr_t)p.getColorFilter() | |
| (intptr_t)p.getRasterizer() | |
| (intptr_t)p.getLooper() | |
| (intptr_t)p.getImageFilter(); |
| return 0 == orAccum; |
| } |
| |
| // CommandInfos are fed to the 'match' method and filled in with command |
| // information. |
| struct CommandInfo { |
| DrawType fActualOp; |
| uint32_t fOffset; |
| uint32_t fSize; |
| }; |
| |
| /* |
| * Attempt to match the provided pattern of commands starting at 'offset' |
| * in the byte stream and stopping at the end of the stream. Upon success, |
| * return true with all the pattern information filled out in the result |
| * array (i.e., actual ops, offsets and sizes). |
| * Note this method skips any NOOPs seen in the stream |
| */ |
| static bool match(SkWriter32* writer, uint32_t offset, |
| int* pattern, CommandInfo* result, int numCommands) { |
| SkASSERT(offset < writer->size()); |
| |
| uint32_t curOffset = offset; |
| uint32_t curSize = 0; |
| int numMatched; |
| for (numMatched = 0; numMatched < numCommands && curOffset < writer->size(); ++numMatched) { |
| DrawType op = peek_op_and_size(writer, curOffset, &curSize); |
| while (NOOP == op && curOffset < writer->size()) { |
| curOffset += curSize; |
| op = peek_op_and_size(writer, curOffset, &curSize); |
| } |
| |
| if (curOffset >= writer->size()) { |
| return false; // ran out of byte stream |
| } |
| |
| if (kDRAW_BITMAP_FLAVOR == pattern[numMatched]) { |
| if (DRAW_BITMAP != op && DRAW_BITMAP_MATRIX != op && |
| DRAW_BITMAP_NINE != op && DRAW_BITMAP_RECT_TO_RECT != op) { |
| return false; |
| } |
| } else if (op != pattern[numMatched]) { |
| return false; |
| } |
| |
| result[numMatched].fActualOp = op; |
| result[numMatched].fOffset = curOffset; |
| result[numMatched].fSize = curSize; |
| |
| curOffset += curSize; |
| } |
| |
| if (numMatched != numCommands) { |
| return false; |
| } |
| |
| curOffset += curSize; |
| if (curOffset < writer->size()) { |
| // Something else between the last command and the end of the stream |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // temporarily here to make code review easier |
| static bool merge_savelayer_paint_into_drawbitmp(SkWriter32* writer, |
| SkPaintDictionary* paintDict, |
| const CommandInfo& saveLayerInfo, |
| const CommandInfo& dbmInfo); |
| |
| /* |
| * Restore has just been called (but not recorded), look back at the |
| * matching save* and see if we are in the configuration: |
| * SAVE_LAYER |
| * DRAW_BITMAP|DRAW_BITMAP_MATRIX|DRAW_BITMAP_NINE|DRAW_BITMAP_RECT_TO_RECT |
| * RESTORE |
| * where the saveLayer's color can be moved into the drawBitmap*'s paint |
| */ |
| static bool remove_save_layer1(SkWriter32* writer, int32_t offset, |
| SkPaintDictionary* paintDict) { |
| // back up to the save block |
| // TODO: add a stack to track save*/restore offsets rather than searching backwards |
| while (offset > 0) { |
| offset = *writer->peek32(offset); |
| } |
| |
| int pattern[] = { SAVE_LAYER, kDRAW_BITMAP_FLAVOR, /* RESTORE */ }; |
| CommandInfo result[SK_ARRAY_COUNT(pattern)]; |
| |
| if (!match(writer, -offset, pattern, result, SK_ARRAY_COUNT(pattern))) { |
| return false; |
| } |
| |
| if (kSaveLayerWithBoundsSize == result[0].fSize) { |
| // The saveLayer's bound can offset where the dbm is drawn |
| return false; |
| } |
| |
| |
| return merge_savelayer_paint_into_drawbitmp(writer, paintDict, |
| result[0], result[1]); |
| } |
| |
| /* |
| * Convert the command code located at 'offset' to a NOOP. Leave the size |
| * field alone so the NOOP can be skipped later. |
| */ |
| static void convert_command_to_noop(SkWriter32* writer, uint32_t offset) { |
| uint32_t* ptr = writer->peek32(offset); |
| *ptr = (*ptr & MASK_24) | (NOOP << 24); |
| } |
| |
| /* |
| * Attempt to merge the saveLayer's paint into the drawBitmap*'s paint. |
| * Return true on success; false otherwise. |
| */ |
| static bool merge_savelayer_paint_into_drawbitmp(SkWriter32* writer, |
| SkPaintDictionary* paintDict, |
| const CommandInfo& saveLayerInfo, |
| const CommandInfo& dbmInfo) { |
| SkASSERT(SAVE_LAYER == saveLayerInfo.fActualOp); |
| SkASSERT(DRAW_BITMAP == dbmInfo.fActualOp || |
| DRAW_BITMAP_MATRIX == dbmInfo.fActualOp || |
| DRAW_BITMAP_NINE == dbmInfo.fActualOp || |
| DRAW_BITMAP_RECT_TO_RECT == dbmInfo.fActualOp); |
| |
| uint32_t dbmPaintOffset = getPaintOffset(dbmInfo.fActualOp, dbmInfo.fSize); |
| uint32_t slPaintOffset = getPaintOffset(SAVE_LAYER, saveLayerInfo.fSize); |
| |
| // we have a match, now we need to get the paints involved |
| uint32_t dbmPaintId = *writer->peek32(dbmInfo.fOffset+dbmPaintOffset); |
| uint32_t saveLayerPaintId = *writer->peek32(saveLayerInfo.fOffset+slPaintOffset); |
| |
| if (0 == saveLayerPaintId) { |
| // In this case the saveLayer/restore isn't needed at all - just kill the saveLayer |
| // and signal the caller (by returning true) to not add the RESTORE op |
| convert_command_to_noop(writer, saveLayerInfo.fOffset); |
| return true; |
| } |
| |
| if (0 == dbmPaintId) { |
| // In this case just make the DBM* use the saveLayer's paint, kill the saveLayer |
| // and signal the caller (by returning true) to not add the RESTORE op |
| convert_command_to_noop(writer, saveLayerInfo.fOffset); |
| uint32_t* ptr = writer->peek32(dbmInfo.fOffset+dbmPaintOffset); |
| SkASSERT(0 == *ptr); |
| *ptr = saveLayerPaintId; |
| return true; |
| } |
| |
| SkAutoTDelete<SkPaint> saveLayerPaint(paintDict->unflatten(saveLayerPaintId)); |
| if (NULL == saveLayerPaint.get() || !is_simple(*saveLayerPaint)) { |
| return false; |
| } |
| |
| // For this optimization we only fold the saveLayer and drawBitmapRect |
| // together if the saveLayer's draw is simple (i.e., no fancy effects) and |
| // and the only difference in the colors is that the saveLayer's can have |
| // an alpha while the drawBitmapRect's is opaque. |
| // TODO: it should be possible to fold them together even if they both |
| // have different non-255 alphas |
| SkColor layerColor = saveLayerPaint->getColor() | 0xFF000000; // force opaque |
| |
| SkAutoTDelete<SkPaint> dbmPaint(paintDict->unflatten(dbmPaintId)); |
| if (NULL == dbmPaint.get() || dbmPaint->getColor() != layerColor) { |
| return false; |
| } |
| |
| SkColor newColor = SkColorSetA(dbmPaint->getColor(), |
| SkColorGetA(saveLayerPaint->getColor())); |
| dbmPaint->setColor(newColor); |
| |
| const SkFlatData* data = paintDict->findAndReturnFlat(*dbmPaint); |
| if (NULL == data) { |
| return false; |
| } |
| |
| // kill the saveLayer and alter the DBMR2R's paint to be the modified one |
| convert_command_to_noop(writer, saveLayerInfo.fOffset); |
| uint32_t* ptr = writer->peek32(dbmInfo.fOffset+dbmPaintOffset); |
| SkASSERT(dbmPaintId == *ptr); |
| *ptr = data->index(); |
| return true; |
| } |
| |
| /* |
| * Restore has just been called (but not recorded), look back at the |
| * matching save* and see if we are in the configuration: |
| * SAVE_LAYER (with NULL == bounds) |
| * SAVE |
| * CLIP_RECT |
| * DRAW_BITMAP|DRAW_BITMAP_MATRIX|DRAW_BITMAP_NINE|DRAW_BITMAP_RECT_TO_RECT |
| * RESTORE |
| * RESTORE |
| * where the saveLayer's color can be moved into the drawBitmap*'s paint |
| */ |
| static bool remove_save_layer2(SkWriter32* writer, int32_t offset, |
| SkPaintDictionary* paintDict) { |
| |
| // back up to the save block |
| // TODO: add a stack to track save*/restore offsets rather than searching backwards |
| while (offset > 0) { |
| offset = *writer->peek32(offset); |
| } |
| |
| int pattern[] = { SAVE_LAYER, SAVE, CLIP_RECT, kDRAW_BITMAP_FLAVOR, RESTORE, /* RESTORE */ }; |
| CommandInfo result[SK_ARRAY_COUNT(pattern)]; |
| |
| if (!match(writer, -offset, pattern, result, SK_ARRAY_COUNT(pattern))) { |
| return false; |
| } |
| |
| if (kSaveLayerWithBoundsSize == result[0].fSize) { |
| // The saveLayer's bound can offset where the dbm is drawn |
| return false; |
| } |
| |
| return merge_savelayer_paint_into_drawbitmp(writer, paintDict, |
| result[0], result[3]); |
| } |
| |
| /* |
| * Restore has just been called (but not recorded), so look back at the |
| * matching save(), and see if we can eliminate the pair of them, due to no |
| * intervening matrix/clip calls. |
| * |
| * If so, update the writer and return true, in which case we won't even record |
| * the restore() call. If we still need the restore(), return false. |
| */ |
| static bool collapse_save_clip_restore(SkWriter32* writer, int32_t offset, |
| SkPaintDictionary* paintDict) { |
| #ifdef TRACK_COLLAPSE_STATS |
| gCollapseCalls += 1; |
| #endif |
| |
| int32_t restoreOffset = (int32_t)writer->size(); |
| |
| // back up to the save block |
| while (offset > 0) { |
| offset = *writer->peek32(offset); |
| } |
| |
| // now offset points to a save |
| offset = -offset; |
| uint32_t opSize; |
| DrawType op = peek_op_and_size(writer, offset, &opSize); |
| if (SAVE_LAYER == op) { |
| // not ready to cull these out yet (mrr) |
| return false; |
| } |
| SkASSERT(SAVE == op); |
| SkASSERT(kSaveSize == opSize); |
| |
| // get the save flag (last 4-bytes of the space allocated for the opSize) |
| SkCanvas::SaveFlags saveFlags = (SkCanvas::SaveFlags) *writer->peek32(offset+4); |
| if (SkCanvas::kMatrixClip_SaveFlag != saveFlags) { |
| // This function's optimization is only correct for kMatrixClip style saves. |
| // TODO: set checkMatrix & checkClip booleans here and then check for the |
| // offending operations in the following loop. |
| return false; |
| } |
| |
| // Walk forward until we get back to either a draw-verb (abort) or we hit |
| // our restore (success). |
| int32_t saveOffset = offset; |
| |
| offset += opSize; |
| while (offset < restoreOffset) { |
| op = peek_op_and_size(writer, offset, &opSize); |
| if ((op > CONCAT && op < ROTATE) || (SAVE_LAYER == op)) { |
| // drawing verb, abort |
| return false; |
| } |
| offset += opSize; |
| } |
| |
| #ifdef TRACK_COLLAPSE_STATS |
| gCollapseCount += 1; |
| SkDebugf("Collapse [%d out of %d] %g%spn", gCollapseCount, gCollapseCalls, |
| (double)gCollapseCount / gCollapseCalls, "%"); |
| #endif |
| |
| writer->rewindToOffset(saveOffset); |
| return true; |
| } |
| |
| typedef bool (*PictureRecordOptProc)(SkWriter32* writer, int32_t offset, |
| SkPaintDictionary* paintDict); |
| enum PictureRecordOptType { |
| kRewind_OptType, // Optimization rewinds the command stream |
| kCollapseSaveLayer_OptType, // Optimization eliminates a save/restore pair |
| }; |
| |
| struct PictureRecordOpt { |
| PictureRecordOptProc fProc; |
| PictureRecordOptType fType; |
| }; |
| /* |
| * A list of the optimizations that are tried upon seeing a restore |
| * TODO: add a real API for such optimizations |
| * Add the ability to fire optimizations on any op (not just RESTORE) |
| */ |
| static const PictureRecordOpt gPictureRecordOpts[] = { |
| { collapse_save_clip_restore, kRewind_OptType }, |
| { remove_save_layer1, kCollapseSaveLayer_OptType }, |
| { remove_save_layer2, kCollapseSaveLayer_OptType } |
| }; |
| |
| // This is called after an optimization has been applied to the command stream |
| // in order to adjust the contents and state of the bounding box hierarchy and |
| // state tree to reflect the optimization. |
| static void apply_optimization_to_bbh(PictureRecordOptType opt, SkPictureStateTree* stateTree, |
| SkBBoxHierarchy* boundingHierarchy) { |
| switch (opt) { |
| case kCollapseSaveLayer_OptType: |
| if (NULL != stateTree) { |
| stateTree->saveCollapsed(); |
| } |
| break; |
| case kRewind_OptType: |
| if (NULL != boundingHierarchy) { |
| boundingHierarchy->rewindInserts(); |
| } |
| // Note: No need to touch the state tree for this to work correctly. |
| // Unused branches do not burden the playback, and pruning the tree |
| // would be O(N^2), so it is best to leave it alone. |
| break; |
| default: |
| SkASSERT(0); |
| } |
| } |
| |
| void SkPictureRecord::restore() { |
| // FIXME: SkDeferredCanvas needs to be refactored to respect |
| // save/restore balancing so that the following test can be |
| // turned on permanently. |
| #if 0 |
| SkASSERT(fRestoreOffsetStack.count() > 1); |
| #endif |
| |
| // check for underflow |
| if (fRestoreOffsetStack.count() == 0) { |
| return; |
| } |
| |
| if (fRestoreOffsetStack.count() == fFirstSavedLayerIndex) { |
| fFirstSavedLayerIndex = kNoSavedLayerIndex; |
| } |
| |
| uint32_t initialOffset, size; |
| size_t opt = 0; |
| if (!(fRecordFlags & SkPicture::kDisableRecordOptimizations_RecordingFlag)) { |
| for (opt = 0; opt < SK_ARRAY_COUNT(gPictureRecordOpts); ++opt) { |
| if ((*gPictureRecordOpts[opt].fProc)(&fWriter, fRestoreOffsetStack.top(), &fPaints)) { |
| // Some optimization fired so don't add the RESTORE |
| size = 0; |
| initialOffset = fWriter.size(); |
| apply_optimization_to_bbh(gPictureRecordOpts[opt].fType, |
| fStateTree, fBoundingHierarchy); |
| break; |
| } |
| } |
| } |
| |
| if ((fRecordFlags & SkPicture::kDisableRecordOptimizations_RecordingFlag) || |
| SK_ARRAY_COUNT(gPictureRecordOpts) == opt) { |
| // No optimization fired so add the RESTORE |
| fillRestoreOffsetPlaceholdersForCurrentStackLevel((uint32_t)fWriter.size()); |
| size = 1 * kUInt32Size; // RESTORE consists solely of 1 op code |
| initialOffset = this->addDraw(RESTORE, &size); |
| } |
| |
| fRestoreOffsetStack.pop(); |
| |
| this->validate(initialOffset, size); |
| return this->INHERITED::restore(); |
| } |
| |
| bool SkPictureRecord::translate(SkScalar dx, SkScalar dy) { |
| // op + dx + dy |
| uint32_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(TRANSLATE, &size); |
| addScalar(dx); |
| addScalar(dy); |
| this->validate(initialOffset, size); |
| return this->INHERITED::translate(dx, dy); |
| } |
| |
| bool SkPictureRecord::scale(SkScalar sx, SkScalar sy) { |
| // op + sx + sy |
| uint32_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(SCALE, &size); |
| addScalar(sx); |
| addScalar(sy); |
| this->validate(initialOffset, size); |
| return this->INHERITED::scale(sx, sy); |
| } |
| |
| bool SkPictureRecord::rotate(SkScalar degrees) { |
| // op + degrees |
| uint32_t size = 1 * kUInt32Size + sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(ROTATE, &size); |
| addScalar(degrees); |
| this->validate(initialOffset, size); |
| return this->INHERITED::rotate(degrees); |
| } |
| |
| bool SkPictureRecord::skew(SkScalar sx, SkScalar sy) { |
| // op + sx + sy |
| uint32_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(SKEW, &size); |
| addScalar(sx); |
| addScalar(sy); |
| this->validate(initialOffset, size); |
| return this->INHERITED::skew(sx, sy); |
| } |
| |
| bool SkPictureRecord::concat(const SkMatrix& matrix) { |
| this->validate(fWriter.size(), 0); |
| // op + matrix index |
| uint32_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(CONCAT, &size); |
| addMatrix(matrix); |
| this->validate(initialOffset, size); |
| return this->INHERITED::concat(matrix); |
| } |
| |
| void SkPictureRecord::setMatrix(const SkMatrix& matrix) { |
| this->validate(fWriter.size(), 0); |
| // op + matrix index |
| uint32_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(SET_MATRIX, &size); |
| addMatrix(matrix); |
| this->validate(initialOffset, size); |
| this->INHERITED::setMatrix(matrix); |
| } |
| |
| static bool regionOpExpands(SkRegion::Op op) { |
| switch (op) { |
| case SkRegion::kUnion_Op: |
| case SkRegion::kXOR_Op: |
| case SkRegion::kReverseDifference_Op: |
| case SkRegion::kReplace_Op: |
| return true; |
| case SkRegion::kIntersect_Op: |
| case SkRegion::kDifference_Op: |
| return false; |
| default: |
| SkDEBUGFAIL("unknown region op"); |
| return false; |
| } |
| } |
| |
| void SkPictureRecord::fillRestoreOffsetPlaceholdersForCurrentStackLevel(uint32_t restoreOffset) { |
| int32_t offset = fRestoreOffsetStack.top(); |
| while (offset > 0) { |
| uint32_t* peek = fWriter.peek32(offset); |
| offset = *peek; |
| *peek = restoreOffset; |
| } |
| |
| #ifdef SK_DEBUG |
| // 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 == 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(kMatrixClip_SaveFlag); |
| } |
| |
| void SkPictureRecord::endRecording() { |
| SkASSERT(kNoInitialSave != fInitialSaveCount); |
| this->restoreToCount(fInitialSaveCount); |
| } |
| |
| void SkPictureRecord::recordRestoreOffsetPlaceholder(SkRegion::Op op) { |
| if (fRestoreOffsetStack.isEmpty()) { |
| return; |
| } |
| |
| // 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.top(); |
| |
| if (regionOpExpands(op)) { |
| // 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 clips ability to expand the clip (i.e. go from |
| // empty to non-empty). |
| fillRestoreOffsetPlaceholdersForCurrentStackLevel(0); |
| |
| // Reset the pointer back to the previous clip so that subsequent |
| // restores don't overwrite the offsets we just cleared. |
| prevOffset = 0; |
| } |
| |
| size_t offset = fWriter.size(); |
| addInt(prevOffset); |
| fRestoreOffsetStack.top() = offset; |
| } |
| |
| bool SkPictureRecord::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { |
| // id + rect + clip params |
| uint32_t size = 1 * kUInt32Size + sizeof(rect) + 1 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.isEmpty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_RECT, &size); |
| addRect(rect); |
| addInt(ClipParams_pack(op, doAA)); |
| recordRestoreOffsetPlaceholder(op); |
| |
| this->validate(initialOffset, size); |
| return this->INHERITED::clipRect(rect, op, doAA); |
| } |
| |
| bool SkPictureRecord::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
| if (rrect.isRect()) { |
| return this->SkPictureRecord::clipRect(rrect.getBounds(), op, doAA); |
| } |
| |
| // op + rrect + clip params |
| uint32_t size = 1 * kUInt32Size + SkRRect::kSizeInMemory + 1 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.isEmpty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_RRECT, &size); |
| addRRect(rrect); |
| addInt(ClipParams_pack(op, doAA)); |
| recordRestoreOffsetPlaceholder(op); |
| |
| this->validate(initialOffset, size); |
| |
| if (fRecordFlags & SkPicture::kUsePathBoundsForClip_RecordingFlag) { |
| return this->updateClipConservativelyUsingBounds(rrect.getBounds(), op, false); |
| } else { |
| return this->INHERITED::clipRRect(rrect, op, doAA); |
| } |
| } |
| |
| bool SkPictureRecord::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { |
| |
| SkRect r; |
| if (!path.isInverseFillType() && path.isRect(&r)) { |
| return this->clipRect(r, op, doAA); |
| } |
| |
| // op + path index + clip params |
| uint32_t size = 3 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.isEmpty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_PATH, &size); |
| addPath(path); |
| addInt(ClipParams_pack(op, doAA)); |
| recordRestoreOffsetPlaceholder(op); |
| |
| this->validate(initialOffset, size); |
| |
| if (fRecordFlags & SkPicture::kUsePathBoundsForClip_RecordingFlag) { |
| return this->updateClipConservativelyUsingBounds(path.getBounds(), op, |
| path.isInverseFillType()); |
| } else { |
| return this->INHERITED::clipPath(path, op, doAA); |
| } |
| } |
| |
| bool SkPictureRecord::clipRegion(const SkRegion& region, SkRegion::Op op) { |
| // op + region index + clip params |
| uint32_t size = 3 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.isEmpty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_REGION, &size); |
| addRegion(region); |
| addInt(ClipParams_pack(op, false)); |
| recordRestoreOffsetPlaceholder(op); |
| |
| this->validate(initialOffset, size); |
| return this->INHERITED::clipRegion(region, op); |
| } |
| |
| void SkPictureRecord::clear(SkColor color) { |
| // op + color |
| uint32_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_CLEAR, &size); |
| addInt(color); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawPaint(const SkPaint& paint) { |
| // op + paint index |
| uint32_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_PAINT, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_PAINT, size) == fWriter.size()); |
| addPaint(paint); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| const SkPaint& paint) { |
| // op + paint index + mode + count + point data |
| uint32_t size = 4 * kUInt32Size + count * sizeof(SkPoint); |
| size_t initialOffset = this->addDraw(DRAW_POINTS, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_POINTS, size) == fWriter.size()); |
| addPaint(paint); |
| addInt(mode); |
| addInt(count); |
| fWriter.writeMul4(pts, count * sizeof(SkPoint)); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawOval(const SkRect& oval, const SkPaint& paint) { |
| // op + paint index + rect |
| uint32_t size = 2 * kUInt32Size + sizeof(oval); |
| size_t initialOffset = this->addDraw(DRAW_OVAL, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_OVAL, size) == fWriter.size()); |
| addPaint(paint); |
| addRect(oval); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawRect(const SkRect& rect, const SkPaint& paint) { |
| // op + paint index + rect |
| uint32_t size = 2 * kUInt32Size + sizeof(rect); |
| size_t initialOffset = this->addDraw(DRAW_RECT, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_RECT, size) == fWriter.size()); |
| addPaint(paint); |
| addRect(rect); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| if (rrect.isRect()) { |
| this->SkPictureRecord::drawRect(rrect.getBounds(), paint); |
| } else if (rrect.isOval()) { |
| this->SkPictureRecord::drawOval(rrect.getBounds(), paint); |
| } else { |
| // op + paint index + rrect |
| uint32_t initialOffset, size; |
| size = 2 * kUInt32Size + SkRRect::kSizeInMemory; |
| initialOffset = this->addDraw(DRAW_RRECT, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_RRECT, size) == fWriter.size()); |
| addPaint(paint); |
| addRRect(rrect); |
| this->validate(initialOffset, size); |
| } |
| } |
| |
| void SkPictureRecord::drawPath(const SkPath& path, const SkPaint& paint) { |
| // op + paint index + path index |
| uint32_t size = 3 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_PATH, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_PATH, size) == fWriter.size()); |
| addPaint(paint); |
| addPath(path); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, |
| const SkPaint* paint = NULL) { |
| // op + paint index + bitmap index + left + top |
| uint32_t size = 3 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(DRAW_BITMAP, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_BITMAP, size) == fWriter.size()); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addScalar(left); |
| addScalar(top); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
| const SkRect& dst, const SkPaint* paint, |
| DrawBitmapRectFlags flags) { |
| // id + paint index + bitmap index + bool for 'src' + flags |
| uint32_t size = 5 * kUInt32Size; |
| if (NULL != src) { |
| size += sizeof(*src); // + rect |
| } |
| size += sizeof(dst); // + rect |
| |
| size_t initialOffset = this->addDraw(DRAW_BITMAP_RECT_TO_RECT, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_BITMAP_RECT_TO_RECT, size) == fWriter.size()); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addRectPtr(src); // may be null |
| addRect(dst); |
| addInt(flags); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& matrix, |
| const SkPaint* paint) { |
| // id + paint index + bitmap index + matrix index |
| uint32_t size = 4 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_BITMAP_MATRIX, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_BITMAP_MATRIX, size) == fWriter.size()); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addMatrix(matrix); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| const SkRect& dst, const SkPaint* paint) { |
| // op + paint index + bitmap id + center + dst rect |
| uint32_t size = 3 * kUInt32Size + sizeof(center) + sizeof(dst); |
| size_t initialOffset = this->addDraw(DRAW_BITMAP_NINE, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_BITMAP_NINE, size) == fWriter.size()); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addIRect(center); |
| addRect(dst); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawSprite(const SkBitmap& bitmap, int left, int top, |
| const SkPaint* paint = NULL) { |
| // op + paint index + bitmap index + left + top |
| uint32_t size = 5 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_SPRITE, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_SPRITE, size) == fWriter.size()); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addInt(left); |
| addInt(top); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::ComputeFontMetricsTopBottom(const SkPaint& paint, SkScalar topbot[2]) { |
| SkPaint::FontMetrics metrics; |
| paint.getFontMetrics(&metrics); |
| SkRect bounds; |
| // construct a rect so we can see any adjustments from the paint. |
| // we use 0,1 for left,right, just so the rect isn't empty |
| bounds.set(0, metrics.fTop, SK_Scalar1, metrics.fBottom); |
| (void)paint.computeFastBounds(bounds, &bounds); |
| topbot[0] = bounds.fTop; |
| topbot[1] = bounds.fBottom; |
| } |
| |
| void SkPictureRecord::addFontMetricsTopBottom(const SkPaint& paint, const SkFlatData& flat, |
| SkScalar minY, SkScalar maxY) { |
| WriteTopBot(paint, flat); |
| addScalar(flat.topBot()[0] + minY); |
| addScalar(flat.topBot()[1] + maxY); |
| } |
| |
| void SkPictureRecord::drawText(const void* text, size_t byteLength, SkScalar x, |
| SkScalar y, const SkPaint& paint) { |
| bool fast = !paint.isVerticalText() && paint.canComputeFastBounds(); |
| |
| // op + paint index + length + 'length' worth of chars + x + y |
| uint32_t size = 3 * kUInt32Size + SkAlign4(byteLength) + 2 * sizeof(SkScalar); |
| if (fast) { |
| size += 2 * sizeof(SkScalar); // + top & bottom |
| } |
| |
| DrawType op = fast ? DRAW_TEXT_TOP_BOTTOM : DRAW_TEXT; |
| size_t initialOffset = this->addDraw(op, &size); |
| SkASSERT(initialOffset+getPaintOffset(op, size) == fWriter.size()); |
| const SkFlatData* flatPaintData = addPaint(paint); |
| SkASSERT(flatPaintData); |
| addText(text, byteLength); |
| addScalar(x); |
| addScalar(y); |
| if (fast) { |
| addFontMetricsTopBottom(paint, *flatPaintData, y, y); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawPosText(const void* text, size_t byteLength, |
| const SkPoint pos[], const SkPaint& paint) { |
| size_t points = paint.countText(text, byteLength); |
| if (0 == points) |
| return; |
| |
| bool canUseDrawH = true; |
| SkScalar minY = pos[0].fY; |
| SkScalar maxY = pos[0].fY; |
| // check if the caller really should have used drawPosTextH() |
| { |
| const SkScalar firstY = pos[0].fY; |
| for (size_t index = 1; index < points; index++) { |
| if (pos[index].fY != firstY) { |
| canUseDrawH = false; |
| if (pos[index].fY < minY) { |
| minY = pos[index].fY; |
| } else if (pos[index].fY > maxY) { |
| maxY = pos[index].fY; |
| } |
| } |
| } |
| } |
| |
| bool fastBounds = !paint.isVerticalText() && paint.canComputeFastBounds(); |
| bool fast = canUseDrawH && fastBounds; |
| |
| // op + paint index + length + 'length' worth of data + num points |
| uint32_t size = 3 * kUInt32Size + SkAlign4(byteLength) + 1 * kUInt32Size; |
| if (canUseDrawH) { |
| if (fast) { |
| size += 2 * sizeof(SkScalar); // + top & bottom |
| } |
| // + y-pos + actual x-point data |
| size += sizeof(SkScalar) + points * sizeof(SkScalar); |
| } else { |
| // + x&y point data |
| size += points * sizeof(SkPoint); |
| if (fastBounds) { |
| size += 2 * sizeof(SkScalar); // + top & bottom |
| } |
| } |
| |
| DrawType op; |
| if (fast) { |
| op = DRAW_POS_TEXT_H_TOP_BOTTOM; |
| } else if (canUseDrawH) { |
| op = DRAW_POS_TEXT_H; |
| } else if (fastBounds) { |
| op = DRAW_POS_TEXT_TOP_BOTTOM; |
| } else { |
| op = DRAW_POS_TEXT; |
| } |
| size_t initialOffset = this->addDraw(op, &size); |
| SkASSERT(initialOffset+getPaintOffset(op, size) == fWriter.size()); |
| const SkFlatData* flatPaintData = addPaint(paint); |
| SkASSERT(flatPaintData); |
| addText(text, byteLength); |
| addInt(points); |
| |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| if (canUseDrawH) { |
| if (fast) { |
| addFontMetricsTopBottom(paint, *flatPaintData, pos[0].fY, pos[0].fY); |
| } |
| addScalar(pos[0].fY); |
| SkScalar* xptr = (SkScalar*)fWriter.reserve(points * sizeof(SkScalar)); |
| for (size_t index = 0; index < points; index++) |
| *xptr++ = pos[index].fX; |
| } else { |
| fWriter.writeMul4(pos, points * sizeof(SkPoint)); |
| if (fastBounds) { |
| addFontMetricsTopBottom(paint, *flatPaintData, minY, maxY); |
| } |
| } |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes += fWriter.size() - start; |
| fPointWrites += points; |
| #endif |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawPosTextH(const void* text, size_t byteLength, |
| const SkScalar xpos[], SkScalar constY, |
| const SkPaint& paint) { |
| |
| const SkFlatData* flatPaintData = this->getFlatPaintData(paint); |
| drawPosTextHImpl(text, byteLength, xpos, constY, paint, flatPaintData); |
| } |
| |
| void SkPictureRecord::drawPosTextHImpl(const void* text, size_t byteLength, |
| const SkScalar xpos[], SkScalar constY, |
| const SkPaint& paint, const SkFlatData* flatPaintData) { |
| size_t points = paint.countText(text, byteLength); |
| if (0 == points) |
| return; |
| |
| bool fast = !paint.isVerticalText() && paint.canComputeFastBounds(); |
| |
| // op + paint index + length + 'length' worth of data + num points |
| uint32_t size = 3 * kUInt32Size + SkAlign4(byteLength) + 1 * kUInt32Size; |
| if (fast) { |
| size += 2 * sizeof(SkScalar); // + top & bottom |
| } |
| // + y + the actual points |
| size += 1 * kUInt32Size + points * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(fast ? DRAW_POS_TEXT_H_TOP_BOTTOM : DRAW_POS_TEXT_H, |
| &size); |
| SkASSERT(flatPaintData); |
| addFlatPaint(flatPaintData); |
| |
| addText(text, byteLength); |
| addInt(points); |
| |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| if (fast) { |
| addFontMetricsTopBottom(paint, *flatPaintData, constY, constY); |
| } |
| addScalar(constY); |
| fWriter.writeMul4(xpos, points * sizeof(SkScalar)); |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes += fWriter.size() - start; |
| fPointWrites += points; |
| #endif |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawTextOnPath(const void* text, size_t byteLength, |
| const SkPath& path, const SkMatrix* matrix, |
| const SkPaint& paint) { |
| // op + paint index + length + 'length' worth of data + path index + matrix index |
| uint32_t size = 3 * kUInt32Size + SkAlign4(byteLength) + 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_TEXT_ON_PATH, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_TEXT_ON_PATH, size) == fWriter.size()); |
| addPaint(paint); |
| addText(text, byteLength); |
| addPath(path); |
| addMatrixPtr(matrix); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawPicture(SkPicture& picture) { |
| // op + picture index |
| uint32_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_PICTURE, &size); |
| addPicture(picture); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawVertices(VertexMode vmode, int vertexCount, |
| const SkPoint vertices[], const SkPoint texs[], |
| const SkColor colors[], SkXfermode*, |
| const uint16_t indices[], int indexCount, |
| const SkPaint& paint) { |
| uint32_t flags = 0; |
| if (texs) { |
| flags |= DRAW_VERTICES_HAS_TEXS; |
| } |
| if (colors) { |
| flags |= DRAW_VERTICES_HAS_COLORS; |
| } |
| if (indexCount > 0) { |
| flags |= DRAW_VERTICES_HAS_INDICES; |
| } |
| |
| // op + paint index + flags + vmode + vCount + vertices |
| uint32_t size = 5 * kUInt32Size + vertexCount * sizeof(SkPoint); |
| if (flags & DRAW_VERTICES_HAS_TEXS) { |
| size += vertexCount * sizeof(SkPoint); // + uvs |
| } |
| if (flags & DRAW_VERTICES_HAS_COLORS) { |
| size += vertexCount * sizeof(SkColor); // + vert colors |
| } |
| if (flags & DRAW_VERTICES_HAS_INDICES) { |
| // + num indices + indices |
| size += 1 * kUInt32Size + SkAlign4(indexCount * sizeof(uint16_t)); |
| } |
| |
| size_t initialOffset = this->addDraw(DRAW_VERTICES, &size); |
| SkASSERT(initialOffset+getPaintOffset(DRAW_VERTICES, size) == fWriter.size()); |
| addPaint(paint); |
| addInt(flags); |
| addInt(vmode); |
| addInt(vertexCount); |
| addPoints(vertices, vertexCount); |
| if (flags & DRAW_VERTICES_HAS_TEXS) { |
| addPoints(texs, vertexCount); |
| } |
| if (flags & DRAW_VERTICES_HAS_COLORS) { |
| fWriter.writeMul4(colors, vertexCount * sizeof(SkColor)); |
| } |
| if (flags & DRAW_VERTICES_HAS_INDICES) { |
| addInt(indexCount); |
| fWriter.writePad(indices, indexCount * sizeof(uint16_t)); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::drawData(const void* data, size_t length) { |
| // op + length + 'length' worth of data |
| uint32_t size = 2 * kUInt32Size + SkAlign4(length); |
| size_t initialOffset = this->addDraw(DRAW_DATA, &size); |
| addInt(length); |
| fWriter.writePad(data, length); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::beginCommentGroup(const char* description) { |
| // op/size + length of string + \0 terminated chars |
| int length = strlen(description); |
| uint32_t size = 2 * kUInt32Size + SkAlign4(length + 1); |
| size_t initialOffset = this->addDraw(BEGIN_COMMENT_GROUP, &size); |
| fWriter.writeString(description, length); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::addComment(const char* kywd, const char* value) { |
| // op/size + 2x length of string + 2x \0 terminated chars |
| int kywdLen = strlen(kywd); |
| int valueLen = strlen(value); |
| uint32_t size = 3 * kUInt32Size + SkAlign4(kywdLen + 1) + SkAlign4(valueLen + 1); |
| size_t initialOffset = this->addDraw(COMMENT, &size); |
| fWriter.writeString(kywd, kywdLen); |
| fWriter.writeString(value, valueLen); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::endCommentGroup() { |
| // op/size |
| uint32_t size = 1 * kUInt32Size; |
| size_t initialOffset = this->addDraw(END_COMMENT_GROUP, &size); |
| this->validate(initialOffset, size); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void SkPictureRecord::addBitmap(const SkBitmap& bitmap) { |
| const int index = fBitmapHeap->insert(bitmap); |
| // In debug builds, a bad return value from insert() will crash, allowing for debugging. In |
| // release builds, the invalid value will be recorded so that the reader will know that there |
| // was a problem. |
| SkASSERT(index != SkBitmapHeap::INVALID_SLOT); |
| addInt(index); |
| } |
| |
| void SkPictureRecord::addMatrix(const SkMatrix& matrix) { |
| addMatrixPtr(&matrix); |
| } |
| |
| void SkPictureRecord::addMatrixPtr(const SkMatrix* matrix) { |
| this->addInt(matrix ? fMatrices.find(*matrix) : 0); |
| } |
| |
| const SkFlatData* SkPictureRecord::getFlatPaintData(const SkPaint& paint) { |
| return fPaints.findAndReturnFlat(paint); |
| } |
| |
| const SkFlatData* SkPictureRecord::addPaintPtr(const SkPaint* paint) { |
| const SkFlatData* data = paint ? getFlatPaintData(*paint) : NULL; |
| this->addFlatPaint(data); |
| return data; |
| } |
| |
| void SkPictureRecord::addFlatPaint(const SkFlatData* flatPaint) { |
| int index = flatPaint ? flatPaint->index() : 0; |
| this->addInt(index); |
| } |
| |
| void SkPictureRecord::addPath(const SkPath& path) { |
| if (NULL == fPathHeap) { |
| fPathHeap = SkNEW(SkPathHeap); |
| } |
| addInt(fPathHeap->append(path)); |
| } |
| |
| void SkPictureRecord::addPicture(SkPicture& picture) { |
| int index = fPictureRefs.find(&picture); |
| if (index < 0) { // not found |
| index = fPictureRefs.count(); |
| *fPictureRefs.append() = &picture; |
| picture.ref(); |
| } |
| // follow the convention of recording a 1-based index |
| addInt(index + 1); |
| } |
| |
| void SkPictureRecord::addPoint(const SkPoint& point) { |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| fWriter.writePoint(point); |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes += fWriter.size() - start; |
| fPointWrites++; |
| #endif |
| } |
| |
| void SkPictureRecord::addPoints(const SkPoint pts[], int count) { |
| fWriter.writeMul4(pts, count * sizeof(SkPoint)); |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes += count * sizeof(SkPoint); |
| fPointWrites++; |
| #endif |
| } |
| |
| void SkPictureRecord::addRect(const SkRect& rect) { |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| fWriter.writeRect(rect); |
| #ifdef SK_DEBUG_SIZE |
| fRectBytes += fWriter.size() - start; |
| fRectWrites++; |
| #endif |
| } |
| |
| void SkPictureRecord::addRectPtr(const SkRect* rect) { |
| if (fWriter.writeBool(rect != NULL)) { |
| fWriter.writeRect(*rect); |
| } |
| } |
| |
| void SkPictureRecord::addIRect(const SkIRect& rect) { |
| fWriter.write(&rect, sizeof(rect)); |
| } |
| |
| void SkPictureRecord::addIRectPtr(const SkIRect* rect) { |
| if (fWriter.writeBool(rect != NULL)) { |
| *(SkIRect*)fWriter.reserve(sizeof(SkIRect)) = *rect; |
| } |
| } |
| |
| void SkPictureRecord::addRRect(const SkRRect& rrect) { |
| fWriter.writeRRect(rrect); |
| } |
| |
| void SkPictureRecord::addRegion(const SkRegion& region) { |
| addInt(fRegions.find(region)); |
| } |
| |
| void SkPictureRecord::addText(const void* text, size_t byteLength) { |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| addInt(byteLength); |
| fWriter.writePad(text, byteLength); |
| #ifdef SK_DEBUG_SIZE |
| fTextBytes += fWriter.size() - start; |
| fTextWrites++; |
| #endif |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #ifdef SK_DEBUG_SIZE |
| size_t SkPictureRecord::size() const { |
| size_t result = 0; |
| size_t sizeData; |
| bitmaps(&sizeData); |
| result += sizeData; |
| matrices(&sizeData); |
| result += sizeData; |
| paints(&sizeData); |
| result += sizeData; |
| paths(&sizeData); |
| result += sizeData; |
| pictures(&sizeData); |
| result += sizeData; |
| regions(&sizeData); |
| result += sizeData; |
| result += streamlen(); |
| return result; |
| } |
| |
| int SkPictureRecord::bitmaps(size_t* size) const { |
| size_t result = 0; |
| int count = fBitmaps.count(); |
| for (int index = 0; index < count; index++) |
| result += sizeof(fBitmaps[index]) + fBitmaps[index]->size(); |
| *size = result; |
| return count; |
| } |
| |
| int SkPictureRecord::matrices(size_t* size) const { |
| int count = fMatrices.count(); |
| *size = sizeof(fMatrices[0]) * count; |
| return count; |
| } |
| |
| int SkPictureRecord::paints(size_t* size) const { |
| size_t result = 0; |
| int count = fPaints.count(); |
| for (int index = 0; index < count; index++) |
| result += sizeof(fPaints[index]) + fPaints[index]->size(); |
| *size = result; |
| return count; |
| } |
| |
| int SkPictureRecord::paths(size_t* size) const { |
| size_t result = 0; |
| int count = fPaths.count(); |
| for (int index = 0; index < count; index++) |
| result += sizeof(fPaths[index]) + fPaths[index]->size(); |
| *size = result; |
| return count; |
| } |
| |
| int SkPictureRecord::regions(size_t* size) const { |
| size_t result = 0; |
| int count = fRegions.count(); |
| for (int index = 0; index < count; index++) |
| result += sizeof(fRegions[index]) + fRegions[index]->size(); |
| *size = result; |
| return count; |
| } |
| |
| size_t SkPictureRecord::streamlen() const { |
| return fWriter.size(); |
| } |
| #endif |
| |
| #ifdef SK_DEBUG_VALIDATE |
| void SkPictureRecord::validate(uint32_t initialOffset, uint32_t size) const { |
| SkASSERT(fWriter.size() == initialOffset + size); |
| |
| validateBitmaps(); |
| validateMatrices(); |
| validatePaints(); |
| validatePaths(); |
| validateRegions(); |
| } |
| |
| void SkPictureRecord::validateBitmaps() const { |
| int count = fBitmapHeap->count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkBitmap* bitPtr = fBitmapHeap->getBitmap(index); |
| SkASSERT(bitPtr); |
| bitPtr->validate(); |
| } |
| } |
| |
| void SkPictureRecord::validateMatrices() const { |
| int count = fMatrices.count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkFlatData* matrix = fMatrices[index]; |
| SkASSERT(matrix); |
| // matrix->validate(); |
| } |
| } |
| |
| void SkPictureRecord::validatePaints() const { |
| int count = fPaints.count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkFlatData* paint = fPaints[index]; |
| SkASSERT(paint); |
| // paint->validate(); |
| } |
| } |
| |
| void SkPictureRecord::validatePaths() const { |
| if (NULL == fPathHeap) { |
| return; |
| } |
| |
| int count = fPathHeap->count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkPath& path = (*fPathHeap)[index]; |
| path.validate(); |
| } |
| } |
| |
| void SkPictureRecord::validateRegions() const { |
| int count = fRegions.count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkFlatData* region = fRegions[index]; |
| SkASSERT(region); |
| // region->validate(); |
| } |
| } |
| #endif |
