#include "GrPictureUtils.h"
#include "SkPaintPriv.h"
+#include "SkPatchUtils.h"
#include "SkRecord.h"
#include "SkRecords.h"
return gGPUID;
}
+// This looks silly, I know. Why not just use SkRect::MakeLargest()?
+// In practice, this is well large enough, and it has a few extra advantages:
+// it fits in an SkIRect, and we can munge it a little in both SkRect and
+// SKIRect space without worrying about overflow.
+static const SkRect kUnbounded = { -2e9f, -2e9f, 2e9f, 2e9f };
+
+namespace SkRecords {
+
// SkRecord visitor to gather saveLayer/restore information.
-class CollectLayers {
+class CollectLayers : SkNoncopyable {
public:
CollectLayers(const SkPicture* pict, GrAccelData* accelData)
: fPictureID(pict->uniqueID())
- , fCTM(&SkMatrix::I())
, fSaveLayersInStack(0)
, fAccelData(accelData) {
- pict->cullRect().roundOut(&fCurrentClipBounds);
+ // Calculate bounds for all ops. This won't go quite in order, so we'll need
+ // to store the bounds separately then feed them in to the BBH later in order.
+ fCTM = &SkMatrix::I();
+ fCurrentClipBounds = kUnbounded;
if (NULL == pict->fRecord.get()) {
return;
}
+ fBounds.reset(pict->fRecord->count());
+
for (fCurrentOp = 0; fCurrentOp < pict->fRecord->count(); ++fCurrentOp) {
pict->fRecord->visit<void>(fCurrentOp, *this);
}
+ // If we have any lingering unpaired Saves, simulate restores to make
+ // sure all ops in those Save blocks have their bounds calculated.
while (!fSaveStack.isEmpty()) {
this->popSaveBlock();
}
+
+ // Any control ops not part of any Save/Restore block draw everywhere.
+ while (!fControlIndices.isEmpty()) {
+ this->popControl(kUnbounded);
+ }
+
+ //--------- LAYER HOISTING
+ while (!fSaveLayerStack.isEmpty()) {
+ this->popSaveLayerInfo();
+ }
+ //--------- LAYER HOISTING
}
template <typename T> void operator()(const T& op) {
this->updateCTM(op);
this->updateClipBounds(op);
+ this->trackBounds(op);
+ //--------- LAYER HOISTING
this->trackSaveLayers(op);
+ //--------- LAYER HOISTING
}
private:
+ // In this file, SkRect are in local coordinates, Bounds are translated back to identity space.
+ typedef SkRect Bounds;
+
+ struct SaveBounds {
+ int controlOps; // Number of control ops in this Save block, including the Save.
+ Bounds bounds; // Bounds of everything in the block.
+ const SkPaint* paint; // Unowned. If set, adjusts the bounds of all ops in this block.
+ };
- class SaveInfo {
+ //--------- LAYER HOISTING
+ class SaveLayerInfo {
public:
- SaveInfo() { }
- SaveInfo(int opIndex, bool isSaveLayer, const SkPaint* paint, const SkIRect& bounds)
+ SaveLayerInfo() { }
+ SaveLayerInfo(int opIndex, bool isSaveLayer, const SkPaint* paint, const Bounds& clipBound)
: fStartIndex(opIndex)
, fIsSaveLayer(isSaveLayer)
, fHasNestedSaveLayer(false)
, fPaint(paint)
- , fBounds(bounds) {
-
+ , fClipBound(clipBound) {
}
int fStartIndex;
bool fIsSaveLayer;
bool fHasNestedSaveLayer;
const SkPaint* fPaint;
- SkIRect fBounds;
+ Bounds fClipBound;
};
+ //--------- LAYER HOISTING
+
+ // Only Restore and SetMatrix change the CTM.
+ template <typename T> void updateCTM(const T&) {}
+ void updateCTM(const Restore& op) { fCTM = &op.matrix; }
+ void updateCTM(const SetMatrix& op) { fCTM = &op.matrix; }
+
+ // Most ops don't change the clip.
+ template <typename T> void updateClipBounds(const T&) {}
+
+ // Clip{Path,RRect,Rect,Region} obviously change the clip. They all know their bounds already.
+ void updateClipBounds(const ClipPath& op) { this->updateClipBoundsForClipOp(op.devBounds); }
+ void updateClipBounds(const ClipRRect& op) { this->updateClipBoundsForClipOp(op.devBounds); }
+ void updateClipBounds(const ClipRect& op) { this->updateClipBoundsForClipOp(op.devBounds); }
+ void updateClipBounds(const ClipRegion& op) { this->updateClipBoundsForClipOp(op.devBounds); }
+
+ // The bounds of clip ops need to be adjusted for the paints of saveLayers they're inside.
+ void updateClipBoundsForClipOp(const SkIRect& devBounds) {
+ Bounds clip = SkRect::Make(devBounds);
+ // We don't call adjustAndMap() because as its last step it would intersect the adjusted
+ // clip bounds with the previous clip, exactly what we can't do when the clip grows.
+ fCurrentClipBounds = this->adjustForSaveLayerPaints(&clip) ? clip : kUnbounded;
+ }
+
+ // Restore holds the devBounds for the clip after the {save,saveLayer}/restore block completes.
+ void updateClipBounds(const Restore& op) {
+ // This is just like the clip ops above, but we need to skip the effects (if any) of our
+ // paired saveLayer (if it is one); it has not yet been popped off the save stack. Our
+ // devBounds reflect the state of the world after the saveLayer/restore block is done,
+ // so they are not affected by the saveLayer's paint.
+ const int kSavesToIgnore = 1;
+ Bounds clip = SkRect::Make(op.devBounds);
+ fCurrentClipBounds =
+ this->adjustForSaveLayerPaints(&clip, kSavesToIgnore) ? clip : kUnbounded;
+ }
- uint32_t fPictureID;
- unsigned int fCurrentOp;
- const SkMatrix* fCTM;
- SkIRect fCurrentClipBounds;
- int fSaveLayersInStack;
- SkTDArray<SaveInfo> fSaveStack;
- GrAccelData* fAccelData;
-
- template <typename T> void updateCTM(const T&) { /* most ops don't change the CTM */ }
- void updateCTM(const SkRecords::Restore& op) { fCTM = &op.matrix; }
- void updateCTM(const SkRecords::SetMatrix& op) { fCTM = &op.matrix; }
-
- template <typename T> void updateClipBounds(const T&) { /* most ops don't change the clip */ }
- // Each of these devBounds fields is the state of the device bounds after the op.
- // So Restore's devBounds are those bounds saved by its paired Save or SaveLayer.
- void updateClipBounds(const SkRecords::Restore& op) { fCurrentClipBounds = op.devBounds; }
- void updateClipBounds(const SkRecords::ClipPath& op) { fCurrentClipBounds = op.devBounds; }
- void updateClipBounds(const SkRecords::ClipRRect& op) { fCurrentClipBounds = op.devBounds; }
- void updateClipBounds(const SkRecords::ClipRect& op) { fCurrentClipBounds = op.devBounds; }
- void updateClipBounds(const SkRecords::ClipRegion& op) { fCurrentClipBounds = op.devBounds; }
- void updateClipBounds(const SkRecords::SaveLayer& op) {
+ // We also take advantage of SaveLayer bounds when present to further cut the clip down.
+ void updateClipBounds(const SaveLayer& op) {
if (op.bounds) {
- fCurrentClipBounds.intersect(this->adjustAndMap(*op.bounds, op.paint));
+ // adjustAndMap() intersects these layer bounds with the previous clip for us.
+ fCurrentClipBounds = this->adjustAndMap(*op.bounds, op.paint);
+ }
+ }
+
+ // The bounds of these ops must be calculated when we hit the Restore
+ // from the bounds of the ops in the same Save block.
+ void trackBounds(const Save&) { this->pushSaveBlock(NULL); }
+ void trackBounds(const SaveLayer& op) { this->pushSaveBlock(op.paint); }
+ void trackBounds(const Restore&) { fBounds[fCurrentOp] = this->popSaveBlock(); }
+
+ void trackBounds(const SetMatrix&) { this->pushControl(); }
+ void trackBounds(const ClipRect&) { this->pushControl(); }
+ void trackBounds(const ClipRRect&) { this->pushControl(); }
+ void trackBounds(const ClipPath&) { this->pushControl(); }
+ void trackBounds(const ClipRegion&) { this->pushControl(); }
+ void trackBounds(const PushCull&) { this->pushControl(); }
+ void trackBounds(const PopCull&) { this->pushControl(); }
+ void trackBounds(const BeginCommentGroup&) { this->pushControl(); }
+ void trackBounds(const AddComment&) { this->pushControl(); }
+ void trackBounds(const EndCommentGroup&) { this->pushControl(); }
+ void trackBounds(const DrawData&) { this->pushControl(); }
+
+ // For all other ops, we can calculate and store the bounds directly now.
+ template <typename T> void trackBounds(const T& op) {
+ fBounds[fCurrentOp] = this->bounds(op);
+ this->updateSaveBounds(fBounds[fCurrentOp]);
+ }
+
+ void pushSaveBlock(const SkPaint* paint) {
+ // Starting a new Save block. Push a new entry to represent that.
+ SaveBounds sb = { 0, Bounds::MakeEmpty(), paint };
+ fSaveStack.push(sb);
+ this->pushControl();
+ }
+
+ static bool PaintMayAffectTransparentBlack(const SkPaint* paint) {
+ if (paint) {
+ // FIXME: this is very conservative
+ if (paint->getImageFilter() || paint->getColorFilter()) {
+ return true;
+ }
+
+ // Unusual Xfermodes require us to process a saved layer
+ // even with operations outisde the clip.
+ // For example, DstIn is used by masking layers.
+ // https://code.google.com/p/skia/issues/detail?id=1291
+ // https://crbug.com/401593
+ SkXfermode* xfermode = paint->getXfermode();
+ SkXfermode::Mode mode;
+ // SrcOver is ok, and is also the common case with a NULL xfermode.
+ // So we should make that the fast path and bypass the mode extraction
+ // and test.
+ if (xfermode && xfermode->asMode(&mode)) {
+ switch (mode) {
+ // For each of the following transfer modes, if the source
+ // alpha is zero (our transparent black), the resulting
+ // blended alpha is not necessarily equal to the original
+ // destination alpha.
+ case SkXfermode::kClear_Mode:
+ case SkXfermode::kSrc_Mode:
+ case SkXfermode::kSrcIn_Mode:
+ case SkXfermode::kDstIn_Mode:
+ case SkXfermode::kSrcOut_Mode:
+ case SkXfermode::kDstATop_Mode:
+ case SkXfermode::kModulate_Mode:
+ return true;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ return false;
+ }
+
+ Bounds popSaveBlock() {
+ // We're done the Save block. Apply the block's bounds to all control ops inside it.
+ SaveBounds sb;
+ fSaveStack.pop(&sb);
+
+ // If the paint affects transparent black, we can't trust any of our calculated bounds.
+ const Bounds& bounds =
+ PaintMayAffectTransparentBlack(sb.paint) ? fCurrentClipBounds : sb.bounds;
+
+ while (sb.controlOps-- > 0) {
+ this->popControl(bounds);
+ }
+
+ // This whole Save block may be part another Save block.
+ this->updateSaveBounds(bounds);
+
+ // If called from a real Restore (not a phony one for balance), it'll need the bounds.
+ return bounds;
+ }
+
+ void pushControl() {
+ fControlIndices.push(fCurrentOp);
+ if (!fSaveStack.isEmpty()) {
+ fSaveStack.top().controlOps++;
+ }
+ }
+
+ void popControl(const Bounds& bounds) {
+ fBounds[fControlIndices.top()] = bounds;
+ fControlIndices.pop();
+ }
+
+ void updateSaveBounds(const Bounds& bounds) {
+ // If we're in a Save block, expand its bounds to cover these bounds too.
+ if (!fSaveStack.isEmpty()) {
+ fSaveStack.top().bounds.join(bounds);
}
}
- template <typename T> void trackSaveLayers(const T& op) {
- /* most ops aren't involved in saveLayers */
+ // FIXME: this method could use better bounds
+ Bounds bounds(const DrawText&) const { return fCurrentClipBounds; }
+
+ Bounds bounds(const Clear&) const { return kUnbounded; } // Ignores the clip.
+ Bounds bounds(const DrawPaint&) const { return fCurrentClipBounds; }
+ Bounds bounds(const NoOp&) const { return Bounds::MakeEmpty(); } // NoOps don't draw.
+
+ Bounds bounds(const DrawSprite& op) const {
+ const SkBitmap& bm = op.bitmap;
+
+ return Bounds::Make(SkIRect::MakeXYWH(op.left, op.top, bm.width(), bm.height())); // Ignores the matrix.
+ }
+
+ Bounds bounds(const DrawRect& op) const { return this->adjustAndMap(op.rect, &op.paint); }
+ Bounds bounds(const DrawOval& op) const { return this->adjustAndMap(op.oval, &op.paint); }
+ Bounds bounds(const DrawRRect& op) const {
+ return this->adjustAndMap(op.rrect.rect(), &op.paint);
+ }
+ Bounds bounds(const DrawDRRect& op) const {
+ return this->adjustAndMap(op.outer.rect(), &op.paint);
+ }
+ Bounds bounds(const DrawImage& op) const {
+ const SkImage* image = op.image;
+ SkRect rect = SkRect::MakeXYWH(op.left, op.top,
+ SkIntToScalar(image->width()), SkIntToScalar(image->height()));
+
+ return this->adjustAndMap(rect, op.paint);
}
- void trackSaveLayers(const SkRecords::Save& s) { this->pushSaveBlock(); }
- void trackSaveLayers(const SkRecords::SaveLayer& sl) { this->pushSaveLayerBlock(sl.paint); }
- void trackSaveLayers(const SkRecords::Restore& r) { this->popSaveBlock(); }
- void trackSaveLayers(const SkRecords::DrawPicture& dp) {
+ Bounds bounds(const DrawImageRect& op) const {
+ return this->adjustAndMap(op.dst, op.paint);
+ }
+ Bounds bounds(const DrawBitmapRectToRect& op) const {
+ return this->adjustAndMap(op.dst, op.paint);
+ }
+ Bounds bounds(const DrawBitmapNine& op) const {
+ return this->adjustAndMap(op.dst, op.paint);
+ }
+ Bounds bounds(const DrawBitmap& op) const {
+ const SkBitmap& bm = op.bitmap;
+ return this->adjustAndMap(SkRect::MakeXYWH(op.left, op.top, SkIntToScalar(bm.width()), SkIntToScalar(bm.height())),
+ op.paint);
+ }
+ Bounds bounds(const DrawBitmapMatrix& op) const {
+ const SkBitmap& bm = op.bitmap;
+ SkRect dst = SkRect::Make(SkIRect::MakeWH(bm.width(), bm.height()));
+ op.matrix.mapRect(&dst);
+ return this->adjustAndMap(dst, op.paint);
+ }
+
+ Bounds bounds(const DrawPath& op) const {
+ return op.path.isInverseFillType() ? fCurrentClipBounds
+ : this->adjustAndMap(op.path.getBounds(), &op.paint);
+ }
+ Bounds bounds(const DrawPoints& op) const {
+ SkRect dst;
+ dst.set(op.pts, op.count);
+
+ // Pad the bounding box a little to make sure hairline points' bounds aren't empty.
+ SkScalar stroke = SkMaxScalar(op.paint.getStrokeWidth(), 0.01f);
+ dst.outset(stroke / 2, stroke / 2);
+
+ return this->adjustAndMap(dst, &op.paint);
+ }
+ Bounds bounds(const DrawPatch& op) const {
+ SkRect dst;
+ dst.set(op.cubics, SkPatchUtils::kNumCtrlPts);
+ return this->adjustAndMap(dst, &op.paint);
+ }
+ Bounds bounds(const DrawVertices& op) const {
+ SkRect dst;
+ dst.set(op.vertices, op.vertexCount);
+ return this->adjustAndMap(dst, &op.paint);
+ }
+
+ Bounds bounds(const DrawPicture& op) const {
+ SkRect dst = op.picture->cullRect();
+ if (op.matrix) {
+ op.matrix->mapRect(&dst);
+ }
+ return this->adjustAndMap(dst, op.paint);
+ }
+
+ Bounds bounds(const DrawPosText& op) const {
+ const int N = op.paint.countText(op.text, op.byteLength);
+ if (N == 0) {
+ return Bounds::MakeEmpty();
+ }
+
+ SkRect dst;
+ dst.set(op.pos, N);
+ AdjustTextForFontMetrics(&dst, op.paint);
+ return this->adjustAndMap(dst, &op.paint);
+ }
+ Bounds bounds(const DrawPosTextH& op) const {
+ const int N = op.paint.countText(op.text, op.byteLength);
+ if (N == 0) {
+ return Bounds::MakeEmpty();
+ }
+
+ SkScalar left = op.xpos[0], right = op.xpos[0];
+ for (int i = 1; i < N; i++) {
+ left = SkMinScalar(left, op.xpos[i]);
+ right = SkMaxScalar(right, op.xpos[i]);
+ }
+ SkRect dst = { left, op.y, right, op.y };
+ AdjustTextForFontMetrics(&dst, op.paint);
+ return this->adjustAndMap(dst, &op.paint);
+ }
+ Bounds bounds(const DrawTextOnPath& op) const {
+ SkRect dst = op.path.getBounds();
+
+ // Pad all sides by the maximum padding in any direction we'd normally apply.
+ SkRect pad = { 0, 0, 0, 0 };
+ AdjustTextForFontMetrics(&pad, op.paint);
+
+ // That maximum padding happens to always be the right pad today.
+ SkASSERT(pad.fLeft == -pad.fRight);
+ SkASSERT(pad.fTop == -pad.fBottom);
+ SkASSERT(pad.fRight > pad.fBottom);
+ dst.outset(pad.fRight, pad.fRight);
+
+ return this->adjustAndMap(dst, &op.paint);
+ }
+
+ Bounds bounds(const DrawTextBlob& op) const {
+ SkRect dst = op.blob->bounds();
+ dst.offset(op.x, op.y);
+ return this->adjustAndMap(dst, &op.paint);
+ }
+
+ static void AdjustTextForFontMetrics(SkRect* rect, const SkPaint& paint) {
+#ifdef SK_DEBUG
+ SkRect correct = *rect;
+#endif
+ // crbug.com/373785 ~~> xPad = 4x yPad
+ // crbug.com/424824 ~~> bump yPad from 2x text size to 2.5x
+ const SkScalar yPad = 2.5f * paint.getTextSize(),
+ xPad = 4.0f * yPad;
+ rect->outset(xPad, yPad);
+#ifdef SK_DEBUG
+ SkPaint::FontMetrics metrics;
+ paint.getFontMetrics(&metrics);
+ correct.fLeft += metrics.fXMin;
+ correct.fTop += metrics.fTop;
+ correct.fRight += metrics.fXMax;
+ correct.fBottom += metrics.fBottom;
+ // See skia:2862 for why we ignore small text sizes.
+ SkASSERTF(paint.getTextSize() < 0.001f || rect->contains(correct),
+ "%f %f %f %f vs. %f %f %f %f\n",
+ -xPad, -yPad, +xPad, +yPad,
+ metrics.fXMin, metrics.fTop, metrics.fXMax, metrics.fBottom);
+#endif
+ }
+
+ //--------- LAYER HOISTING
+ template <typename T> void trackSaveLayers(const T& op) {
+ /* most ops aren't involved in saveLayers */
+ }
+ void trackSaveLayers(const Save& s) { this->pushSaveLayerInfo(false, NULL); }
+ void trackSaveLayers(const SaveLayer& sl) {
+ this->pushSaveLayerInfo(true, sl.paint);
+ }
+ void trackSaveLayers(const Restore& r) { this->popSaveLayerInfo(); }
+ void trackSaveLayers(const DrawPicture& dp) {
// For sub-pictures, we wrap their layer information within the parent
// picture's rendering hierarchy
const GrAccelData* childData = GPUOptimize(dp.picture);
for (int i = 0; i < childData->numSaveLayers(); ++i) {
const GrAccelData::SaveLayerInfo& src = childData->saveLayerInfo(i);
- SkRect srcRect = SkRect::Make(src.fBounds);
- SkIRect newClip(fCurrentClipBounds);
+ Bounds newClip(fCurrentClipBounds);
- if (!newClip.intersect(this->adjustAndMap(srcRect, dp.paint))) {
+ if (!newClip.intersect(this->adjustAndMap(src.fBounds, dp.paint))) {
continue;
}
}
}
- void pushSaveBlock() {
- fSaveStack.push(SaveInfo(fCurrentOp, false, NULL, SkIRect::MakeEmpty()));
- }
-
// Inform all the saveLayers already on the stack that they now have a
// nested saveLayer inside them
void updateStackForSaveLayer() {
- for (int index = fSaveStack.count() - 1; index >= 0; --index) {
- if (fSaveStack[index].fHasNestedSaveLayer) {
+ for (int index = fSaveLayerStack.count() - 1; index >= 0; --index) {
+ if (fSaveLayerStack[index].fHasNestedSaveLayer) {
break;
}
- fSaveStack[index].fHasNestedSaveLayer = true;
- if (fSaveStack[index].fIsSaveLayer) {
+ fSaveLayerStack[index].fHasNestedSaveLayer = true;
+ if (fSaveLayerStack[index].fIsSaveLayer) {
break;
}
}
}
- void pushSaveLayerBlock(const SkPaint* paint) {
- this->updateStackForSaveLayer();
+ void pushSaveLayerInfo(bool isSaveLayer, const SkPaint* paint) {
+ if (isSaveLayer) {
+ this->updateStackForSaveLayer();
+ ++fSaveLayersInStack;
+ }
- fSaveStack.push(SaveInfo(fCurrentOp, true, paint, fCurrentClipBounds));
- ++fSaveLayersInStack;
+ fSaveLayerStack.push(SaveLayerInfo(fCurrentOp, isSaveLayer, paint, fCurrentClipBounds));
}
- void popSaveBlock() {
- if (fSaveStack.count() <= 0) {
+ void popSaveLayerInfo() {
+ if (fSaveLayerStack.count() <= 0) {
SkASSERT(false);
return;
}
- SaveInfo si;
- fSaveStack.pop(&si);
+ SaveLayerInfo sli;
+ fSaveLayerStack.pop(&sli);
- if (!si.fIsSaveLayer) {
+ if (!sli.fIsSaveLayer) {
return;
}
GrAccelData::SaveLayerInfo& slInfo = fAccelData->addSaveLayerInfo();
SkASSERT(NULL == slInfo.fPicture); // This layer is in the top-most picture
- slInfo.fBounds = si.fBounds;
+
+ slInfo.fBounds = fBounds[sli.fStartIndex];
+ slInfo.fBounds.intersect(sli.fClipBound);
slInfo.fLocalMat = *fCTM;
slInfo.fPreMat = SkMatrix::I();
- if (si.fPaint) {
- slInfo.fPaint = SkNEW_ARGS(SkPaint, (*si.fPaint));
+ if (sli.fPaint) {
+ slInfo.fPaint = SkNEW_ARGS(SkPaint, (*sli.fPaint));
}
- slInfo.fSaveLayerOpID = si.fStartIndex;
+ slInfo.fSaveLayerOpID = sli.fStartIndex;
slInfo.fRestoreOpID = fCurrentOp;
- slInfo.fHasNestedLayers = si.fHasNestedSaveLayer;
+ slInfo.fHasNestedLayers = sli.fHasNestedSaveLayer;
slInfo.fIsNested = fSaveLayersInStack > 0;
}
+ //--------- LAYER HOISTING
// Returns true if rect was meaningfully adjusted for the effects of paint,
// false if the paint could affect the rect in unknown ways.
return true;
}
- // Adjust rect for all paints that may affect its geometry, then map it to device space.
- SkIRect adjustAndMap(SkRect rect, const SkPaint* paint) const {
+ bool adjustForSaveLayerPaints(SkRect* rect, int savesToIgnore = 0) const {
+ for (int i = fSaveStack.count() - 1 - savesToIgnore; i >= 0; i--) {
+ if (!AdjustForPaint(fSaveStack[i].paint, rect)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ // Adjust rect for all paints that may affect its geometry, then map it to identity space.
+ Bounds adjustAndMap(SkRect rect, const SkPaint* paint) const {
// Inverted rectangles really confuse our BBHs.
rect.sort();
}
// Adjust rect for all the paints from the SaveLayers we're inside.
- for (int i = fSaveStack.count() - 1; i >= 0; i--) {
- if (!AdjustForPaint(fSaveStack[i].fPaint, &rect)) {
- // Same deal as above.
- return fCurrentClipBounds;
- }
+ if (!this->adjustForSaveLayerPaints(&rect)) {
+ // Same deal as above.
+ return fCurrentClipBounds;
}
- // Map the rect back to device space.
+ // Map the rect back to identity space.
fCTM->mapRect(&rect);
- SkIRect devRect;
- rect.roundOut(&devRect);
// Nothing can draw outside the current clip.
// (Only bounded ops call into this method, so oddballs like Clear don't matter here.)
- devRect.intersect(fCurrentClipBounds);
- return devRect;
+ rect.intersect(fCurrentClipBounds);
+ return rect;
}
+
+ // Conservative identity-space bounds for each op in the SkRecord.
+ SkAutoTMalloc<Bounds> fBounds;
+
+ // We walk fCurrentOp through the SkRecord, as we go using updateCTM()
+ // and updateClipBounds() to maintain the exact CTM (fCTM) and conservative
+ // identity-space bounds of the current clip (fCurrentClipBounds).
+ unsigned fCurrentOp;
+ const SkMatrix* fCTM;
+ Bounds fCurrentClipBounds;
+
+ // Used to track the bounds of Save/Restore blocks and the control ops inside them.
+ SkTDArray<SaveBounds> fSaveStack;
+ SkTDArray<unsigned> fControlIndices;
+
+ //--------- LAYER HOISTING
+ // Used to collect saveLayer information for layer hoisting
+ uint32_t fPictureID;
+ int fSaveLayersInStack;
+ SkTDArray<SaveLayerInfo> fSaveLayerStack;
+ GrAccelData* fAccelData;
+ //--------- LAYER HOISTING
};
+} // namespace SkRecords
// GPUOptimize is only intended to be called within the context of SkGpuDevice's
// EXPERIMENTAL_optimize method.
pict->EXPERIMENTAL_addAccelData(data);
- CollectLayers collector(pict, data);
+ SkRecords::CollectLayers collector(pict, data);
return data;
}
#include "SkBBoxHierarchy.h"
#include "SkBlurImageFilter.h"
#include "SkCanvas.h"
+#include "SkColorMatrixFilter.h"
#include "SkColorPriv.h"
#include "SkDashPathEffect.h"
#include "SkData.h"
static const int kWidth = 100;
static const int kHeight = 100;
+ // Create complex paint that the bounding box computation code can't
+ // optimize away
+ SkScalar blueToRedMatrix[20] = { 0 };
+ blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1;
+ SkAutoTUnref<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix));
+ SkAutoTUnref<SkImageFilter> filter(SkColorFilterImageFilter::Create(blueToRed.get()));
+
+ SkPaint complexPaint;
+ complexPaint.setImageFilter(filter);
+
SkAutoTUnref<SkPicture> pict, child;
{
SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
- c->saveLayer(NULL, NULL);
+ c->saveLayer(NULL, &complexPaint);
c->restore();
child.reset(recorder.endRecording());
SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth),
SkIntToScalar(kHeight));
// 1)
- c->saveLayer(NULL, NULL); // layer #0
+ c->saveLayer(NULL, &complexPaint); // layer #0
c->restore();
// 2)
c->saveLayer(NULL, NULL); // layer #1
c->translate(kWidth/2.0f, kHeight/2.0f);
SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2);
- c->saveLayer(&r, NULL); // layer #2
+ c->saveLayer(&r, &complexPaint); // layer #2
c->restore();
c->restore();
// 3)
{
- SkPaint p;
- p.setColor(SK_ColorRED);
- c->saveLayer(NULL, &p); // layer #3
+ c->saveLayer(NULL, &complexPaint); // layer #3
c->restore();
}
REPORTER_ASSERT(reporter, info0.fLocalMat.isIdentity());
REPORTER_ASSERT(reporter, info0.fPreMat.isIdentity());
REPORTER_ASSERT(reporter, 0 == info0.fBounds.fLeft && 0 == info0.fBounds.fTop);
- REPORTER_ASSERT(reporter, NULL == info0.fPaint);
+ REPORTER_ASSERT(reporter, NULL != info0.fPaint);
REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers);
REPORTER_ASSERT(reporter, NULL == info1.fPicture);
REPORTER_ASSERT(reporter, info2.fPreMat.isIdentity());
REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.fLeft && // translated
kHeight / 2 == info2.fBounds.fTop);
- REPORTER_ASSERT(reporter, NULL == info1.fPaint);
+ REPORTER_ASSERT(reporter, NULL != info2.fPaint);
REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested
REPORTER_ASSERT(reporter, NULL == info3.fPicture);
REPORTER_ASSERT(reporter, 0 == info5.fBounds.fLeft && 0 == info5.fBounds.fTop);
REPORTER_ASSERT(reporter, info5.fLocalMat.isIdentity());
REPORTER_ASSERT(reporter, info5.fPreMat.isIdentity());
- REPORTER_ASSERT(reporter, NULL == info5.fPaint);
+ REPORTER_ASSERT(reporter, NULL != info5.fPaint);
REPORTER_ASSERT(reporter, info5.fIsNested && !info5.fHasNestedLayers); // is nested
REPORTER_ASSERT(reporter, NULL == info6.fPicture);
- REPORTER_ASSERT(reporter, kWidth == info6.fBounds.width() &&
- kHeight == info6.fBounds.height());
- REPORTER_ASSERT(reporter, 0 == info6.fBounds.fLeft && 0 == info6.fBounds.fTop);
+ REPORTER_ASSERT(reporter, kWidth-10 == info6.fBounds.width() &&
+ kHeight-10 == info6.fBounds.height());
+ REPORTER_ASSERT(reporter, 10 == info6.fBounds.fLeft && 10 == info6.fBounds.fTop);
REPORTER_ASSERT(reporter, info6.fLocalMat.isIdentity());
REPORTER_ASSERT(reporter, info6.fPreMat.isIdentity());
REPORTER_ASSERT(reporter, info6.fPaint);
REPORTER_ASSERT(reporter, 0 == info7.fBounds.fLeft && 0 == info7.fBounds.fTop);
REPORTER_ASSERT(reporter, info7.fLocalMat.isIdentity());
REPORTER_ASSERT(reporter, info7.fPreMat.isIdentity());
- REPORTER_ASSERT(reporter, NULL == info7.fPaint);
+ REPORTER_ASSERT(reporter, NULL != info7.fPaint);
REPORTER_ASSERT(reporter, info7.fIsNested && !info7.fHasNestedLayers); // is nested
}
}