Revert "Revert "Revert[2] "Remove SkDraw from device-draw methods, and enable device-centric clipping.""""

This reverts commit baf06bc89a0ee2ac4033281e7310f6c727faab79.

Reason for revert: reland to diagnose possible g3 failure

Original change's description:
> Revert "Revert[2] "Remove SkDraw from device-draw methods, and enable device-centric clipping."""
> 
> This reverts commit cfaa63237b152ae216f1351207bce3ea9808814c.
> 
> Reason for revert: speculative revert to fix Google3
> 
> Original change's description:
> > Revert[2] "Remove SkDraw from device-draw methods, and enable device-centric clipping.""
> > 
> > passes new (augmented) CanvasClipType unittest
> > fixed rasterclipstack::setnewsize
> > 
> > This reverts commit ea5e676a7b75600edcde3912886486004ccd7626.
> > 
> > BUG=skia:
> > 
> > Change-Id: I004653e0f4d01454662f8516fccab0046486f273
> > Reviewed-on: https://skia-review.googlesource.com/9185
> > Reviewed-by: Brian Salomon <bsalomon@google.com>
> > Commit-Queue: Mike Reed <reed@google.com>
> > 
> 
> TBR=bsalomon@google.com,reed@google.com,reviews@skia.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=skia:
> 
> Change-Id: Ibd7ee6383999f008eb6ee59c1c3f1c06a86044ea
> Reviewed-on: https://skia-review.googlesource.com/9230
> Reviewed-by: Cary Clark <caryclark@google.com>
> Commit-Queue: Cary Clark <caryclark@google.com>
> 

TBR=bsalomon@google.com,reviews@skia.org,caryclark@google.com,reed@google.com,mtklein@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Change-Id: I093fa8788056be39af01191bbf3a9e5de9f73954
Reviewed-on: https://skia-review.googlesource.com/9244
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/include/core/SkCanvas.h b/include/core/SkCanvas.h
index 9e9d98a..3ce4bae 100644
--- a/include/core/SkCanvas.h
+++ b/include/core/SkCanvas.h
@@ -1359,6 +1359,10 @@
      */
     void temporary_internal_describeTopLayer(SkMatrix* matrix, SkIRect* clip_bounds);
 
+    /**
+     *  Returns the global clip as a region. If the clip contains AA, then only the bounds
+     *  of the clip may be returned.
+     */
     void temporary_internal_getRgnClip(SkRegion*);
 
 protected:
@@ -1523,7 +1527,7 @@
 
         SkBaseDevice*   device() const;
         const SkMatrix& matrix() const;
-        const SkRasterClip& clip() const;
+        void clip(SkRegion*) const;
         const SkPaint&  paint() const;
         int             x() const;
         int             y() const;
@@ -1545,7 +1549,7 @@
 
     static void DrawDeviceWithFilter(SkBaseDevice* src, const SkImageFilter* filter,
                                      SkBaseDevice* dst, const SkIPoint& dstOrigin,
-                                     const SkMatrix& ctm, const SkClipStack* clipStack);
+                                     const SkMatrix& ctm);
 
     enum ShaderOverrideOpacity {
         kNone_ShaderOverrideOpacity,        //!< there is no overriding shader (bitmap or image)
@@ -1567,7 +1571,6 @@
 
     class MCRec;
 
-    sk_sp<SkClipStack> fClipStack;
     SkDeque     fMCStack;
     // points to top of stack
     MCRec*      fMCRec;
@@ -1595,9 +1598,7 @@
     friend class SkSurface_Base;
     friend class SkSurface_Gpu;
 
-    bool fDeviceCMDirty;            // cleared by updateDeviceCMCache()
     SkIRect fClipRestrictionRect = SkIRect::MakeEmpty();
-    void updateDeviceCMCache();
 
     void doSave();
     void checkForDeferredSave();
@@ -1667,14 +1668,11 @@
      */
     bool canDrawBitmapAsSprite(SkScalar x, SkScalar y, int w, int h, const SkPaint&);
 
-    /** Return the clip stack. The clip stack stores all the individual
-     *  clips organized by the save/restore frame in which they were
-     *  added.
-     *  @return the current clip stack ("list" of individual clip elements)
+    /**
+     *  Returns true if the clip (for any active layer) contains antialiasing.
+     *  If the clip is empty, this will return false.
      */
-    const SkClipStack* getClipStack() const {
-        return fClipStack.get();
-    }
+    bool androidFramework_isClipAA() const;
 
     /**
      *  Keep track of the device clip bounds and if the matrix is scale-translate.  This allows
@@ -1685,7 +1683,6 @@
 
     bool fAllowSoftClip;
     bool fAllowSimplifyClip;
-    const bool fConservativeRasterClip;
 
     class AutoValidateClip : ::SkNoncopyable {
     public:
diff --git a/src/core/SkBitmapDevice.cpp b/src/core/SkBitmapDevice.cpp
index 77ff706..89a0265 100644
--- a/src/core/SkBitmapDevice.cpp
+++ b/src/core/SkBitmapDevice.cpp
@@ -190,63 +190,63 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-#ifdef SK_USE_DEVICE_CLIPPING
-class ModifiedDraw : public SkDraw {
+class SkBitmapDevice::BDDraw : public SkDraw {
 public:
-    ModifiedDraw(const SkMatrix& cmt, const SkRasterClip& rc, const SkDraw& draw) : SkDraw(draw) {
-        SkASSERT(cmt == *draw.fMatrix);
-        fRC = &rc;
+    BDDraw(SkBitmapDevice* dev) {
+        // we need fDst to be set, and if we're actually drawing, to dirty the genID
+        if (!dev->accessPixels(&fDst)) {
+            // NoDrawDevice uses us (why?) so we have to catch this case w/ no pixels
+            fDst.reset(dev->imageInfo(), nullptr, 0);
+        }
+        fMatrix = &dev->ctm();
+        fRC = &dev->fRCStack.rc();
     }
 };
-#define PREPARE_DRAW(draw)  ModifiedDraw(this->ctm(), fRCStack.rc(), draw)
-#else
-#define PREPARE_DRAW(draw)  draw
-#endif
 
-void SkBitmapDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) {
-    PREPARE_DRAW(draw).drawPaint(paint);
+void SkBitmapDevice::drawPaint(const SkPaint& paint) {
+    BDDraw(this).drawPaint(paint);
 }
 
-void SkBitmapDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode, size_t count,
+void SkBitmapDevice::drawPoints(SkCanvas::PointMode mode, size_t count,
                                 const SkPoint pts[], const SkPaint& paint) {
-    PREPARE_DRAW(draw).drawPoints(mode, count, pts, paint, nullptr);
+    BDDraw(this).drawPoints(mode, count, pts, paint, nullptr);
 }
 
-void SkBitmapDevice::drawRect(const SkDraw& draw, const SkRect& r, const SkPaint& paint) {
-    PREPARE_DRAW(draw).drawRect(r, paint);
+void SkBitmapDevice::drawRect(const SkRect& r, const SkPaint& paint) {
+    BDDraw(this).drawRect(r, paint);
 }
 
-void SkBitmapDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint& paint) {
+void SkBitmapDevice::drawOval(const SkRect& oval, const SkPaint& paint) {
     SkPath path;
     path.addOval(oval);
     // call the VIRTUAL version, so any subclasses who do handle drawPath aren't
     // required to override drawOval.
-    this->drawPath(draw, path, paint, nullptr, true);
+    this->drawPath(path, paint, nullptr, true);
 }
 
-void SkBitmapDevice::drawRRect(const SkDraw& draw, const SkRRect& rrect, const SkPaint& paint) {
+void SkBitmapDevice::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
 #ifdef SK_IGNORE_BLURRED_RRECT_OPT
     SkPath  path;
 
     path.addRRect(rrect);
     // call the VIRTUAL version, so any subclasses who do handle drawPath aren't
     // required to override drawRRect.
-    this->drawPath(draw, path, paint, nullptr, true);
+    this->drawPath(path, paint, nullptr, true);
 #else
-    PREPARE_DRAW(draw).drawRRect(rrect, paint);
+    BDDraw(this).drawRRect(rrect, paint);
 #endif
 }
 
-void SkBitmapDevice::drawPath(const SkDraw& draw, const SkPath& path,
+void SkBitmapDevice::drawPath(const SkPath& path,
                               const SkPaint& paint, const SkMatrix* prePathMatrix,
                               bool pathIsMutable) {
-    PREPARE_DRAW(draw).drawPath(path, paint, prePathMatrix, pathIsMutable);
+    BDDraw(this).drawPath(path, paint, prePathMatrix, pathIsMutable);
 }
 
-void SkBitmapDevice::drawBitmap(const SkDraw& draw, const SkBitmap& bitmap,
+void SkBitmapDevice::drawBitmap(const SkBitmap& bitmap,
                                 const SkMatrix& matrix, const SkPaint& paint) {
-    LogDrawScaleFactor(SkMatrix::Concat(*draw.fMatrix, matrix), paint.getFilterQuality());
-    PREPARE_DRAW(draw).drawBitmap(bitmap, matrix, nullptr, paint);
+    LogDrawScaleFactor(SkMatrix::Concat(this->ctm(), matrix), paint.getFilterQuality());
+    BDDraw(this).drawBitmap(bitmap, matrix, nullptr, paint);
 }
 
 static inline bool CanApplyDstMatrixAsCTM(const SkMatrix& m, const SkPaint& paint) {
@@ -258,7 +258,7 @@
     return m.getType() <= SkMatrix::kTranslate_Mask;
 }
 
-void SkBitmapDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
+void SkBitmapDevice::drawBitmapRect(const SkBitmap& bitmap,
                                     const SkRect* src, const SkRect& dst,
                                     const SkPaint& paint, SkCanvas::SrcRectConstraint constraint) {
     SkMatrix    matrix;
@@ -275,7 +275,7 @@
     }
     matrix.setRectToRect(tmpSrc, dst, SkMatrix::kFill_ScaleToFit);
 
-    LogDrawScaleFactor(SkMatrix::Concat(*draw.fMatrix, matrix), paint.getFilterQuality());
+    LogDrawScaleFactor(SkMatrix::Concat(this->ctm(), matrix), paint.getFilterQuality());
 
     const SkRect* dstPtr = &dst;
     const SkBitmap* bitmapPtr = &bitmap;
@@ -335,7 +335,7 @@
         // matrix with the CTM, and try to call drawSprite if it can. If not,
         // it will make a shader and call drawRect, as we do below.
         if (CanApplyDstMatrixAsCTM(matrix, paint)) {
-            PREPARE_DRAW(draw).drawBitmap(*bitmapPtr, matrix, dstPtr, paint);
+            BDDraw(this).drawBitmap(*bitmapPtr, matrix, dstPtr, paint);
             return;
         }
     }
@@ -360,45 +360,43 @@
 
     // Call ourself, in case the subclass wanted to share this setup code
     // but handle the drawRect code themselves.
-    this->drawRect(draw, *dstPtr, paintWithShader);
+    this->drawRect(*dstPtr, paintWithShader);
 }
 
-void SkBitmapDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap,
+void SkBitmapDevice::drawSprite(const SkBitmap& bitmap,
                                 int x, int y, const SkPaint& paint) {
-    PREPARE_DRAW(draw).drawSprite(bitmap, x, y, paint);
+    BDDraw(this).drawSprite(bitmap, x, y, paint);
 }
 
-void SkBitmapDevice::drawText(const SkDraw& draw, const void* text, size_t len,
+void SkBitmapDevice::drawText(const void* text, size_t len,
                               SkScalar x, SkScalar y, const SkPaint& paint) {
-    PREPARE_DRAW(draw).drawText((const char*)text, len, x, y, paint, &fSurfaceProps);
+    BDDraw(this).drawText((const char*)text, len, x, y, paint, &fSurfaceProps);
 }
 
-void SkBitmapDevice::drawPosText(const SkDraw& draw, const void* text, size_t len,
-                                 const SkScalar xpos[], int scalarsPerPos,
-                                 const SkPoint& offset, const SkPaint& paint) {
-    PREPARE_DRAW(draw).drawPosText((const char*)text, len, xpos, scalarsPerPos, offset,
-                                   paint, &fSurfaceProps);
+void SkBitmapDevice::drawPosText(const void* text, size_t len, const SkScalar xpos[],
+                                 int scalarsPerPos, const SkPoint& offset, const SkPaint& paint) {
+    BDDraw(this).drawPosText((const char*)text, len, xpos, scalarsPerPos, offset, paint, &fSurfaceProps);
 }
 
-void SkBitmapDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode,
+void SkBitmapDevice::drawVertices(SkCanvas::VertexMode vmode,
                                   int vertexCount,
                                   const SkPoint verts[], const SkPoint textures[],
                                   const SkColor colors[], SkBlendMode bmode,
                                   const uint16_t indices[], int indexCount,
                                   const SkPaint& paint) {
-    PREPARE_DRAW(draw).drawVertices(vmode, vertexCount, verts, textures, colors, bmode,
-                      indices, indexCount, paint);
+    BDDraw(this).drawVertices(vmode, vertexCount, verts, textures, colors, bmode, indices,
+                              indexCount, paint);
 }
 
-void SkBitmapDevice::drawDevice(const SkDraw& draw, SkBaseDevice* device,
+void SkBitmapDevice::drawDevice(SkBaseDevice* device,
                                 int x, int y, const SkPaint& paint) {
     SkASSERT(!paint.getImageFilter());
-    PREPARE_DRAW(draw).drawSprite(static_cast<SkBitmapDevice*>(device)->fBitmap, x, y, paint);
+    BDDraw(this).drawSprite(static_cast<SkBitmapDevice*>(device)->fBitmap, x, y, paint);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void SkBitmapDevice::drawSpecial(const SkDraw& draw, SkSpecialImage* srcImg, int x, int y,
+void SkBitmapDevice::drawSpecial(SkSpecialImage* srcImg, int x, int y,
                                  const SkPaint& paint) {
     SkASSERT(!srcImg->isTextureBacked());
 
@@ -407,9 +405,9 @@
     SkImageFilter* filter = paint.getImageFilter();
     if (filter) {
         SkIPoint offset = SkIPoint::Make(0, 0);
-        SkMatrix matrix = *draw.fMatrix;
+        SkMatrix matrix = this->ctm();
         matrix.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y));
-        const SkIRect clipBounds = draw.fRC->getBounds().makeOffset(-x, -y);
+        const SkIRect clipBounds = fRCStack.rc().getBounds().makeOffset(-x, -y);
         sk_sp<SkImageFilterCache> cache(this->getImageFilterCache());
         SkImageFilter::OutputProperties outputProperties(fBitmap.colorSpace());
         SkImageFilter::Context ctx(matrix, clipBounds, cache.get(), outputProperties);
@@ -419,12 +417,12 @@
             SkPaint tmpUnfiltered(paint);
             tmpUnfiltered.setImageFilter(nullptr);
             if (resultImg->getROPixels(&resultBM)) {
-                this->drawSprite(draw, resultBM, x + offset.x(), y + offset.y(), tmpUnfiltered);
+                this->drawSprite(resultBM, x + offset.x(), y + offset.y(), tmpUnfiltered);
             }
         }
     } else {
         if (srcImg->getROPixels(&resultBM)) {
-            this->drawSprite(draw, resultBM, x, y, paint);
+            this->drawSprite(resultBM, x, y, paint);
         }
     }
 }
@@ -511,9 +509,34 @@
     }
 }
 
+bool SkBitmapDevice::onClipIsAA() const {
+    const SkRasterClip& rc = fRCStack.rc();
+    return !rc.isEmpty() && rc.isAA();
+}
+
+void SkBitmapDevice::onAsRgnClip(SkRegion* rgn) const {
+    const SkRasterClip& rc = fRCStack.rc();
+    if (rc.isAA()) {
+        rgn->setRect(rc.getBounds());
+    } else {
+        *rgn = rc.bwRgn();
+    }
+}
+
 void SkBitmapDevice::validateDevBounds(const SkIRect& drawClipBounds) {
 #ifdef SK_DEBUG
     const SkIRect& stackBounds = fRCStack.rc().getBounds();
     SkASSERT(drawClipBounds == stackBounds);
 #endif
 }
+
+SkBaseDevice::ClipType SkBitmapDevice::onGetClipType() const {
+    const SkRasterClip& rc = fRCStack.rc();
+    if (rc.isEmpty()) {
+        return kEmpty_ClipType;
+    } else if (rc.isRect()) {
+        return kRect_ClipType;
+    } else {
+        return kComplex_ClipType;
+    }
+}
diff --git a/src/core/SkBitmapDevice.h b/src/core/SkBitmapDevice.h
index 266b2d9..a97ad01 100644
--- a/src/core/SkBitmapDevice.h
+++ b/src/core/SkBitmapDevice.h
@@ -21,7 +21,6 @@
 #include "SkSize.h"
 #include "SkSurfaceProps.h"
 
-class SkDraw;
 class SkImageFilterCache;
 class SkMatrix;
 class SkPaint;
@@ -70,12 +69,12 @@
      and are handling any looping from the paint, and any effects from the
      DrawFilter.
      */
-    void drawPaint(const SkDraw&, const SkPaint& paint) override;
-    void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count,
+    void drawPaint(const SkPaint& paint) override;
+    void drawPoints(SkCanvas::PointMode mode, size_t count,
                             const SkPoint[], const SkPaint& paint) override;
-    void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint) override;
-    void drawOval(const SkDraw&, const SkRect& oval, const SkPaint& paint) override;
-    void drawRRect(const SkDraw&, const SkRRect& rr, const SkPaint& paint) override;
+    void drawRect(const SkRect& r, const SkPaint& paint) override;
+    void drawOval(const SkRect& oval, const SkPaint& paint) override;
+    void drawRRect(const SkRRect& rr, const SkPaint& paint) override;
 
     /**
      *  If pathIsMutable, then the implementation is allowed to cast path to a
@@ -88,34 +87,34 @@
      *  affect the geometry/rasterization, then the pre matrix can just be
      *  pre-concated with the current matrix.
      */
-    void drawPath(const SkDraw&, const SkPath&, const SkPaint&, const SkMatrix* prePathMatrix,
+    void drawPath(const SkPath&, const SkPaint&, const SkMatrix* prePathMatrix,
                           bool pathIsMutable) override;
-    void drawBitmap(const SkDraw&, const SkBitmap&, const SkMatrix&, const SkPaint&) override;
-    void drawSprite(const SkDraw&, const SkBitmap&, int x, int y, const SkPaint&) override;
+    void drawBitmap(const SkBitmap&, const SkMatrix&, const SkPaint&) override;
+    void drawSprite(const SkBitmap&, int x, int y, const SkPaint&) override;
 
     /**
      *  The default impl. will create a bitmap-shader from the bitmap,
      *  and call drawRect with it.
      */
-    void drawBitmapRect(const SkDraw&, const SkBitmap&, const SkRect*, const SkRect&,
+    void drawBitmapRect(const SkBitmap&, const SkRect*, const SkRect&,
                         const SkPaint&, SkCanvas::SrcRectConstraint) override;
 
     /**
      *  Does not handle text decoration.
      *  Decorations (underline and stike-thru) will be handled by SkCanvas.
      */
-    void drawText(const SkDraw&, const void* text, size_t len, SkScalar x, SkScalar y,
+    void drawText(const void* text, size_t len, SkScalar x, SkScalar y,
                   const SkPaint&) override;
-    void drawPosText(const SkDraw&, const void* text, size_t len, const SkScalar pos[],
+    void drawPosText(const void* text, size_t len, const SkScalar pos[],
                      int scalarsPerPos, const SkPoint& offset, const SkPaint& paint) override;
-    void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount, const SkPoint verts[],
+    void drawVertices(SkCanvas::VertexMode, int vertexCount, const SkPoint verts[],
                       const SkPoint texs[], const SkColor colors[], SkBlendMode,
                       const uint16_t indices[], int indexCount, const SkPaint&) override;
-    void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y, const SkPaint&) override;
+    void drawDevice(SkBaseDevice*, int x, int y, const SkPaint&) override;
 
     ///////////////////////////////////////////////////////////////////////////
     
-    void drawSpecial(const SkDraw&, SkSpecialImage*, int x, int y, const SkPaint&) override;
+    void drawSpecial(SkSpecialImage*, int x, int y, const SkPaint&) override;
     sk_sp<SkSpecialImage> makeSpecial(const SkBitmap&) override;
     sk_sp<SkSpecialImage> makeSpecial(const SkImage*) override;
     sk_sp<SkSpecialImage> snapSpecial() override;
@@ -134,7 +133,10 @@
     void onClipPath(const SkPath& path, SkClipOp, bool aa) override;
     void onClipRegion(const SkRegion& deviceRgn, SkClipOp) override;
     void onSetDeviceClipRestriction(SkIRect* mutableClipRestriction) override;
+    bool onClipIsAA() const override;
+    void onAsRgnClip(SkRegion*) const override;
     void validateDevBounds(const SkIRect& r) override;
+    ClipType onGetClipType() const override;
 
 private:
     friend class SkCanvas;
@@ -142,9 +144,10 @@
     friend class SkDraw;
     friend class SkDrawIter;
     friend class SkDeviceFilteredPaint;
-
     friend class SkSurface_Raster;
 
+    class BDDraw;
+
     // used to change the backend's pixels (and possibly config/rowbytes)
     // but cannot change the width/height, so there should be no change to
     // any clip information.
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 5c7039f..0e8e7e5 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -75,9 +75,13 @@
 
     const SkISize size = this->getBaseLayerSize();
     const SkRect bounds = SkRect::MakeIWH(size.width(), size.height());
+
+#if 0
+    // Replace with device method?
     if (!this->getClipStack()->quickContains(bounds)) {
         return false;
     }
+#endif
 
     if (rect) {
         if (!this->getTotalMatrix().isScaleTranslate()) {
@@ -192,10 +196,8 @@
     SkMatrix            fMatrixStorage;
     SkMatrix            fStashedMatrix; // original CTM; used by imagefilter in saveLayer
 
-    DeviceCM(SkBaseDevice* device, const SkPaint* paint, SkCanvas* canvas,
-             bool conservativeRasterClip, const SkMatrix& stashed)
+    DeviceCM(SkBaseDevice* device, const SkPaint* paint, SkCanvas* canvas, const SkMatrix& stashed)
         : fNext(nullptr)
-        , fClip(conservativeRasterClip)
         , fStashedMatrix(stashed)
     {
         SkSafeRef(device);
@@ -214,48 +216,6 @@
         SkASSERT(fDevice);
         fClip.setRect(bounds);
     }
-
-    void updateMC(const SkMatrix& totalMatrix, const SkRasterClip& totalClip,
-                  SkRasterClip* updateClip) {
-        int x = fDevice->getOrigin().x();
-        int y = fDevice->getOrigin().y();
-        int width = fDevice->width();
-        int height = fDevice->height();
-
-        if ((x | y) == 0) {
-            fMatrix = &totalMatrix;
-            fClip = totalClip;
-        } else {
-            fMatrixStorage = totalMatrix;
-            fMatrixStorage.postTranslate(SkIntToScalar(-x),
-                                         SkIntToScalar(-y));
-            fMatrix = &fMatrixStorage;
-            totalClip.translate(-x, -y, &fClip);
-        }
-
-        fClip.op(SkIRect::MakeWH(width, height), SkRegion::kIntersect_Op);
-
-#ifdef SK_USE_DEVICE_CLIPPING
-        SkASSERT(*fMatrix == fDevice->ctm());
-        // TODO: debug tiles-rt-8888 so we can enable this all the time
-//        fDevice->validateDevBounds(fClip.getBounds());
-#endif
-
-        // intersect clip, but don't translate it (yet)
-
-        if (updateClip) {
-            updateClip->op(SkIRect::MakeXYWH(x, y, width, height),
-                           SkRegion::kDifference_Op);
-        }
-
-#ifdef SK_DEBUG
-        if (!fClip.isEmpty()) {
-            SkIRect deviceR;
-            deviceR.set(0, 0, width, height);
-            SkASSERT(deviceR.contains(fClip.getBounds()));
-        }
-#endif
-    }
 };
 
 /*  This is the record we keep for each save/restore level in the stack.
@@ -275,15 +235,15 @@
         reference counted, since the real owner is either our fLayer field,
         or a previous one in a lower level.)
     */
-    DeviceCM*       fTopLayer;
-    SkRasterClip    fRasterClip;
-    SkMatrix        fMatrix;
-    int             fDeferredSaveCount;
+    DeviceCM*           fTopLayer;
+    SkConservativeClip  fRasterClip;
+    SkMatrix            fMatrix;
+    int                 fDeferredSaveCount;
 
     // This is the current cumulative depth (aggregate of all done translateZ calls)
     SkScalar        fCurDrawDepth;
 
-    MCRec(bool conservativeRasterClip) : fRasterClip(conservativeRasterClip) {
+    MCRec() {
         fFilter     = nullptr;
         fLayer      = nullptr;
         fTopLayer   = nullptr;
@@ -320,70 +280,26 @@
     }
 };
 
-static SkIRect compute_device_bounds(SkBaseDevice* device) {
-    return SkIRect::MakeXYWH(device->getOrigin().x(), device->getOrigin().y(),
-                             device->width(), device->height());
-}
-
-class SkDrawIter : public SkDraw {
+class SkDrawIter {
 public:
-    SkDrawIter(SkCanvas* canvas) : fDevice(nullptr) {
-        canvas->updateDeviceCMCache();
-
-        fClipStack = canvas->getClipStack();
-        fCurrLayer = canvas->fMCRec->fTopLayer;
-
-        fMultiDeviceCS = nullptr;
-        if (fCurrLayer->fNext) {
-            fMultiDeviceCS = canvas->fClipStack.get();
-            fMultiDeviceCS->save();
-        }
-#ifdef SK_USE_DEVICE_CLIPPING
-        fClipStack = nullptr;   // for testing
-#endif
-    }
-
-    ~SkDrawIter() {
-        if (fMultiDeviceCS) {
-            fMultiDeviceCS->restore();
-        }
-    }
+    SkDrawIter(SkCanvas* canvas)
+        : fDevice(nullptr), fCurrLayer(canvas->fMCRec->fTopLayer), fPaint(nullptr)
+    {}
 
     bool next() {
-        if (fMultiDeviceCS && fDevice) {
-            // remove the previous device's bounds
-            fMultiDeviceCS->clipDevRect(compute_device_bounds(fDevice), kDifference_SkClipOp);
-        }
-
-        // skip over recs with empty clips
-        while (fCurrLayer && fCurrLayer->fClip.isEmpty()) {
-            fCurrLayer = fCurrLayer->fNext;
-        }
-
         const DeviceCM* rec = fCurrLayer;
         if (rec && rec->fDevice) {
-
-            fMatrix = rec->fMatrix;
-            fRC     = &rec->fClip;
             fDevice = rec->fDevice;
-            if (!fDevice->accessPixels(&fDst)) {
-                fDst.reset(fDevice->imageInfo(), nullptr, 0);
-            }
             fPaint  = rec->fPaint;
-            SkDEBUGCODE(this->validate();)
-
             fCurrLayer = rec->fNext;
             // fCurrLayer may be nullptr now
-
             return true;
         }
         return false;
     }
 
-    const SkRasterClip& getClip() const { return *fRC; }
     int getX() const { return fDevice->getOrigin().x(); }
     int getY() const { return fDevice->getOrigin().y(); }
-    const SkMatrix& getMatrix() const { return *fMatrix; }
     const SkPaint* getPaint() const { return fPaint; }
 
     SkBaseDevice*   fDevice;
@@ -391,9 +307,6 @@
 private:
     const DeviceCM* fCurrLayer;
     const SkPaint*  fPaint;     // May be null.
-    SkClipStack*    fMultiDeviceCS;
-
-    typedef SkDraw INHERITED;
 };
 
 #define FOR_EACH_TOP_DEVICE( code )                 \
@@ -657,7 +570,6 @@
 
 void SkCanvas::resetForNextPicture(const SkIRect& bounds) {
     this->restoreToCount(1);
-    fClipStack->reset();
     fMCRec->reset(bounds);
 
     // We're peering through a lot of structs here.  Only at this scope do we
@@ -671,29 +583,22 @@
     if (device && device->forceConservativeRasterClip()) {
         flags = InitFlags(flags | kConservativeRasterClip_InitFlag);
     }
-    // Since init() is only called once by our constructors, it is safe to perform this
-    // const-cast.
-    *const_cast<bool*>(&fConservativeRasterClip) = SkToBool(flags & kConservativeRasterClip_InitFlag);
 
     fAllowSimplifyClip = false;
-    fDeviceCMDirty = true;
     fSaveCount = 1;
     fMetaData = nullptr;
 #ifdef SK_EXPERIMENTAL_SHADOWING
     fLights = nullptr;
 #endif
 
-    fClipStack.reset(new SkClipStack);
-
     fMCRec = (MCRec*)fMCStack.push_back();
-    new (fMCRec) MCRec(fConservativeRasterClip);
+    new (fMCRec) MCRec;
     fMCRec->fRasterClip.setDeviceClipRestriction(&fClipRestrictionRect);
     fIsScaleTranslate = true;
 
     SkASSERT(sizeof(DeviceCM) <= sizeof(fDeviceCMStorage));
     fMCRec->fLayer = (DeviceCM*)fDeviceCMStorage;
-    new (fDeviceCMStorage) DeviceCM(nullptr, nullptr, nullptr, fConservativeRasterClip,
-                                    fMCRec->fMatrix);
+    new (fDeviceCMStorage) DeviceCM(nullptr, nullptr, nullptr, fMCRec->fMatrix);
 
     fMCRec->fTopLayer = fMCRec->fLayer;
 
@@ -706,9 +611,7 @@
         fMCRec->fRasterClip.setRect(device->getGlobalBounds());
         fDeviceClipBounds = qr_clip_bounds(device->getGlobalBounds());
 
-#ifdef SK_USE_DEVICE_CLIPPING
         device->androidFramework_setDeviceClipRestriction(&fClipRestrictionRect);
-#endif
     }
 
     return device;
@@ -717,7 +620,6 @@
 SkCanvas::SkCanvas()
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
     , fProps(SkSurfaceProps::kLegacyFontHost_InitType)
-    , fConservativeRasterClip(false)
 {
     inc_canvas();
 
@@ -746,7 +648,6 @@
 SkCanvas::SkCanvas(int width, int height, const SkSurfaceProps* props)
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
     , fProps(SkSurfacePropsCopyOrDefault(props))
-    , fConservativeRasterClip(false)
 {
     inc_canvas();
 
@@ -757,7 +658,6 @@
 SkCanvas::SkCanvas(const SkIRect& bounds, InitFlags flags)
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
     , fProps(SkSurfaceProps::kLegacyFontHost_InitType)
-    , fConservativeRasterClip(false)
 {
     inc_canvas();
 
@@ -767,7 +667,6 @@
 SkCanvas::SkCanvas(SkBaseDevice* device)
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
     , fProps(device->surfaceProps())
-    , fConservativeRasterClip(false)
 {
     inc_canvas();
 
@@ -777,7 +676,6 @@
 SkCanvas::SkCanvas(SkBaseDevice* device, InitFlags flags)
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
     , fProps(device->surfaceProps())
-    , fConservativeRasterClip(false)
 {
     inc_canvas();
 
@@ -787,7 +685,6 @@
 SkCanvas::SkCanvas(const SkBitmap& bitmap, const SkSurfaceProps& props)
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
     , fProps(props)
-    , fConservativeRasterClip(false)
 {
     inc_canvas();
 
@@ -800,7 +697,6 @@
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
     , fProps(SkSurfaceProps::kLegacyFontHost_InitType)
     , fAllocator(std::move(alloc))
-    , fConservativeRasterClip(false)
 {
     inc_canvas();
 
@@ -967,26 +863,6 @@
 
 //////////////////////////////////////////////////////////////////////////////
 
-void SkCanvas::updateDeviceCMCache() {
-    if (fDeviceCMDirty) {
-        const SkMatrix& totalMatrix = this->getTotalMatrix();
-        const SkRasterClip& totalClip = fMCRec->fRasterClip;
-        DeviceCM*       layer = fMCRec->fTopLayer;
-
-        if (nullptr == layer->fNext) {   // only one layer
-            layer->updateMC(totalMatrix, totalClip, nullptr);
-        } else {
-            SkRasterClip clip(totalClip);
-            do {
-                layer->updateMC(totalMatrix, clip, &clip);
-            } while ((layer = layer->fNext) != nullptr);
-        }
-        fDeviceCMDirty = false;
-    }
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
 void SkCanvas::checkForDeferredSave() {
     if (fMCRec->fDeferredSaveCount > 0) {
         this->doSave();
@@ -1057,10 +933,7 @@
     new (newTop) MCRec(*fMCRec);    // balanced in restore()
     fMCRec = newTop;
 
-    fClipStack->save();
-#ifdef SK_USE_DEVICE_CLIPPING
     FOR_EACH_TOP_DEVICE(device->save());
-#endif
 }
 
 bool SkCanvas::BoundsAffectsClip(SaveLayerFlags saveLayerFlags) {
@@ -1091,6 +964,7 @@
         // early exit if the layer's bounds are clipped out
         if (!ir.intersect(clipBounds)) {
             if (BoundsAffectsClip(saveLayerFlags)) {
+                fMCRec->fTopLayer->fDevice->clipRegion(SkRegion(), SkClipOp::kIntersect); // empty
                 fMCRec->fRasterClip.setEmpty();
                 fDeviceClipBounds.setEmpty();
             }
@@ -1103,7 +977,6 @@
 
     if (BoundsAffectsClip(saveLayerFlags)) {
         // Simplify the current clips since they will be applied properly during restore()
-        fClipStack->clipDevRect(ir, kReplace_SkClipOp);
         fMCRec->fRasterClip.setRect(ir);
         fDeviceClipBounds = qr_clip_bounds(ir);
     }
@@ -1136,7 +1009,7 @@
 
 void SkCanvas::DrawDeviceWithFilter(SkBaseDevice* src, const SkImageFilter* filter,
                                     SkBaseDevice* dst, const SkIPoint& dstOrigin,
-                                    const SkMatrix& ctm, const SkClipStack* clipStack) {
+                                    const SkMatrix& ctm) {
     SkDraw draw;
     SkRasterClip rc;
     rc.setRect(SkIRect::MakeWH(dst->width(), dst->height()));
@@ -1145,7 +1018,6 @@
     }
     draw.fMatrix = &SkMatrix::I();
     draw.fRC = &rc;
-    draw.fClipStack = clipStack;
 
     SkPaint p;
     if (filter) {
@@ -1156,7 +1028,7 @@
     int y = src->getOrigin().y() - dstOrigin.y();
     auto special = src->snapSpecial();
     if (special) {
-        dst->drawSpecial(draw, special.get(), x, y, p);
+        dst->drawSpecial(special.get(), x, y, p);
     }
 }
 
@@ -1220,8 +1092,6 @@
     // that would invoke a possibly overridden virtual
     this->internalSave();
 
-    fDeviceCMDirty = true;
-
     SkIRect ir;
     if (!this->clipRectBounds(bounds, saveLayerFlags, &ir, imageFilter)) {
         return;
@@ -1265,12 +1135,8 @@
             return;
         }
     }
-#ifndef SK_USE_DEVICE_CLIPPING
-    newDevice->setOrigin(fMCRec->fMatrix, ir.fLeft, ir.fTop);
-#endif
-
     DeviceCM* layer =
-            new DeviceCM(newDevice.get(), paint, this, fConservativeRasterClip, stashedMatrix);
+            new DeviceCM(newDevice.get(), paint, this, stashedMatrix);
 
     // only have a "next" if this new layer doesn't affect the clip (rare)
     layer->fNext = BoundsAffectsClip(saveLayerFlags) ? nullptr : fMCRec->fTopLayer;
@@ -1279,10 +1145,9 @@
 
     if ((rec.fSaveLayerFlags & kInitWithPrevious_SaveLayerFlag) || rec.fBackdrop) {
         DrawDeviceWithFilter(priorDevice, rec.fBackdrop, newDevice.get(), { ir.fLeft, ir.fTop },
-                             fMCRec->fMatrix, this->getClipStack());
+                             fMCRec->fMatrix);
     }
 
-#ifdef SK_USE_DEVICE_CLIPPING
     newDevice->setOrigin(fMCRec->fMatrix, ir.fLeft, ir.fTop);
 
     newDevice->androidFramework_setDeviceClipRestriction(&fClipRestrictionRect);
@@ -1295,7 +1160,6 @@
             layer->fDevice->clipRegion(hole, SkClipOp::kDifference);
         } while (layer->fNext);
     }
-#endif
 }
 
 int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha) {
@@ -1311,10 +1175,6 @@
 void SkCanvas::internalRestore() {
     SkASSERT(fMCStack.count() != 0);
 
-    fDeviceCMDirty = true;
-
-    fClipStack->restore();
-
     // reserve our layer (if any)
     DeviceCM* layer = fMCRec->fLayer;   // may be null
     // now detach it from fMCRec so we can pop(). Gets freed after its drawn
@@ -1325,11 +1185,9 @@
     fMCStack.pop_back();
     fMCRec = (MCRec*)fMCStack.back();
 
-#ifdef SK_USE_DEVICE_CLIPPING
     if (fMCRec) {
         FOR_EACH_TOP_DEVICE(device->restore(fMCRec->fMatrix));
     }
-#endif
 
     /*  Time to draw the layer's offscreen. We can't call the public drawSprite,
         since if we're being recorded, we don't want to record this (the
@@ -1342,7 +1200,6 @@
             // restore what we smashed in internalSaveLayer
             fMCRec->fMatrix = layer->fStashedMatrix;
             // reset this, since internalDrawDevice will have set it to true
-            fDeviceCMDirty = true;
             delete layer;
         } else {
             // we're at the root
@@ -1448,10 +1305,10 @@
         if (filter) {
             sk_sp<SkSpecialImage> specialImage = srcDev->snapSpecial();
             if (specialImage) {
-                dstDev->drawSpecial(iter, specialImage.get(), pos.x(), pos.y(), *paint);
+                dstDev->drawSpecial(specialImage.get(), pos.x(), pos.y(), *paint);
             }
         } else {
-            dstDev->drawDevice(iter, srcDev, pos.x(), pos.y(), *paint);
+            dstDev->drawDevice(srcDev, pos.x(), pos.y(), *paint);
         }
     }
 
@@ -1463,15 +1320,12 @@
 void SkCanvas::translate(SkScalar dx, SkScalar dy) {
     if (dx || dy) {
         this->checkForDeferredSave();
-        fDeviceCMDirty = true;
         fMCRec->fMatrix.preTranslate(dx,dy);
 
         // Translate shouldn't affect the is-scale-translateness of the matrix.
         SkASSERT(fIsScaleTranslate == fMCRec->fMatrix.isScaleTranslate());
 
-#ifdef SK_USE_DEVICE_CLIPPING
         FOR_EACH_TOP_DEVICE(device->setGlobalCTM(fMCRec->fMatrix));
-#endif
 
         this->didTranslate(dx,dy);
     }
@@ -1507,25 +1361,19 @@
     }
 
     this->checkForDeferredSave();
-    fDeviceCMDirty = true;
     fMCRec->fMatrix.preConcat(matrix);
     fIsScaleTranslate = fMCRec->fMatrix.isScaleTranslate();
 
-#ifdef SK_USE_DEVICE_CLIPPING
     FOR_EACH_TOP_DEVICE(device->setGlobalCTM(fMCRec->fMatrix));
-#endif
 
     this->didConcat(matrix);
 }
 
 void SkCanvas::internalSetMatrix(const SkMatrix& matrix) {
-    fDeviceCMDirty = true;
     fMCRec->fMatrix = matrix;
     fIsScaleTranslate = matrix.isScaleTranslate();
 
-#ifdef SK_USE_DEVICE_CLIPPING
     FOR_EACH_TOP_DEVICE(device->setGlobalCTM(fMCRec->fMatrix));
-#endif
 }
 
 void SkCanvas::setMatrix(const SkMatrix& matrix) {
@@ -1569,36 +1417,25 @@
 void SkCanvas::onClipRect(const SkRect& rect, SkClipOp op, ClipEdgeStyle edgeStyle) {
     const bool isAA = kSoft_ClipEdgeStyle == edgeStyle;
 
-#ifdef SK_USE_DEVICE_CLIPPING
     FOR_EACH_TOP_DEVICE(device->clipRect(rect, op, isAA));
-#endif
 
     AutoValidateClip avc(this);
-    fClipStack->clipRect(rect, fMCRec->fMatrix, op, isAA);
     fMCRec->fRasterClip.op(rect, fMCRec->fMatrix, this->getTopLayerBounds(), (SkRegion::Op)op,
                            isAA);
-    fDeviceCMDirty = true;
     fDeviceClipBounds = qr_clip_bounds(fMCRec->fRasterClip.getBounds());
 }
 
 void SkCanvas::androidFramework_setDeviceClipRestriction(const SkIRect& rect) {
     fClipRestrictionRect = rect;
-    fClipStack->setDeviceClipRestriction(fClipRestrictionRect);
     if (fClipRestrictionRect.isEmpty()) {
         // we notify the device, but we *dont* resolve deferred saves (since we're just
         // removing the restriction if the rect is empty. how I hate this api.
-#ifdef SK_USE_DEVICE_CLIPPING
         FOR_EACH_TOP_DEVICE(device->androidFramework_setDeviceClipRestriction(&fClipRestrictionRect));
-#endif
     } else {
         this->checkForDeferredSave();
-#ifdef SK_USE_DEVICE_CLIPPING
         FOR_EACH_TOP_DEVICE(device->androidFramework_setDeviceClipRestriction(&fClipRestrictionRect));
-#endif
         AutoValidateClip avc(this);
-        fClipStack->clipDevRect(fClipRestrictionRect, kIntersect_SkClipOp);
         fMCRec->fRasterClip.op(fClipRestrictionRect, SkRegion::kIntersect_Op);
-        fDeviceCMDirty = true;
         fDeviceClipBounds = qr_clip_bounds(fMCRec->fRasterClip.getBounds());
     }
 }
@@ -1616,19 +1453,13 @@
 void SkCanvas::onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle edgeStyle) {
     AutoValidateClip avc(this);
 
-    fDeviceCMDirty = true;
-
     bool isAA = kSoft_ClipEdgeStyle == edgeStyle;
     
-#ifdef SK_USE_DEVICE_CLIPPING
     FOR_EACH_TOP_DEVICE(device->clipRRect(rrect, op, isAA));
-#endif
-    
-    fClipStack->clipRRect(rrect, fMCRec->fMatrix, op, isAA);
+
     fMCRec->fRasterClip.op(rrect, fMCRec->fMatrix, this->getTopLayerBounds(), (SkRegion::Op)op,
                            isAA);
     fDeviceClipBounds = qr_clip_bounds(fMCRec->fRasterClip.getBounds());
-    return;
 }
 
 void SkCanvas::clipPath(const SkPath& path, SkClipOp op, bool doAA) {
@@ -1659,24 +1490,12 @@
 void SkCanvas::onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle edgeStyle) {
     AutoValidateClip avc(this);
 
-    fDeviceCMDirty = true;
     bool isAA = kSoft_ClipEdgeStyle == edgeStyle;
     
-#ifdef SK_USE_DEVICE_CLIPPING
     FOR_EACH_TOP_DEVICE(device->clipPath(path, op, isAA));
-#endif
-    
-    fClipStack->clipPath(path, fMCRec->fMatrix, op, isAA);
 
     const SkPath* rasterClipPath = &path;
     const SkMatrix* matrix = &fMCRec->fMatrix;
-    SkPath tempPath;
-    if (fAllowSimplifyClip) {
-        isAA = getClipStack()->asPath(&tempPath);
-        rasterClipPath = &tempPath;
-        matrix = &SkMatrix::I();
-        op = kReplace_SkClipOp;
-    }
     fMCRec->fRasterClip.op(*rasterClipPath, *matrix, this->getTopLayerBounds(), (SkRegion::Op)op,
                            isAA);
     fDeviceClipBounds = qr_clip_bounds(fMCRec->fRasterClip.getBounds());
@@ -1688,18 +1507,10 @@
 }
 
 void SkCanvas::onClipRegion(const SkRegion& rgn, SkClipOp op) {
-#ifdef SK_USE_DEVICE_CLIPPING
     FOR_EACH_TOP_DEVICE(device->clipRegion(rgn, op));
-#endif
-    
+
     AutoValidateClip avc(this);
 
-    fDeviceCMDirty = true;
-
-    // todo: signal fClipStack that we have a region, and therefore (I guess)
-    // we have to ignore it, and use the region directly?
-    fClipStack->clipDevRect(rgn.getBounds(), op);
-
     fMCRec->fRasterClip.op(rgn, (SkRegion::Op)op);
     fDeviceClipBounds = qr_clip_bounds(fMCRec->fRasterClip.getBounds());
 }
@@ -1712,51 +1523,61 @@
         SkASSERT(this->isClipEmpty());
         return;
     }
-
-    SkIRect ir;
-    ir.set(0, 0, device->width(), device->height());
-    SkRasterClip tmpClip(ir, fConservativeRasterClip);
-
-    SkClipStack::B2TIter                iter(*fClipStack);
-    const SkClipStack::Element* element;
-    while ((element = iter.next()) != nullptr) {
-        switch (element->getType()) {
-            case SkClipStack::Element::kRect_Type:
-                element->getRect().round(&ir);
-                tmpClip.op(ir, (SkRegion::Op)element->getOp());
-                break;
-            case SkClipStack::Element::kEmpty_Type:
-                tmpClip.setEmpty();
-                break;
-            default: {
-                SkPath path;
-                element->asPath(&path);
-                tmpClip.op(path, SkMatrix::I(), this->getTopLayerBounds(),
-                           (SkRegion::Op)element->getOp(), element->isAA());
-                break;
-            }
-        }
-    }
 }
 #endif
 
 void SkCanvas::replayClips(ClipVisitor* visitor) const {
+#if 0
     SkClipStack::B2TIter                iter(*fClipStack);
     const SkClipStack::Element*         element;
 
     while ((element = iter.next()) != nullptr) {
         element->replay(visitor);
     }
+#endif
+}
+
+bool SkCanvas::androidFramework_isClipAA() const {
+    bool containsAA = false;
+
+    FOR_EACH_TOP_DEVICE(containsAA |= device->onClipIsAA());
+
+    return containsAA;
+}
+
+class RgnAccumulator {
+    SkRegion* fRgn;
+public:
+    RgnAccumulator(SkRegion* total) : fRgn(total) {}
+    void accumulate(SkBaseDevice* device, SkRegion* rgn) {
+        SkIPoint origin = device->getOrigin();
+        if (origin.x() | origin.y()) {
+            rgn->translate(origin.x(), origin.y());
+        }
+        fRgn->op(*rgn, SkRegion::kUnion_Op);
+    }
+};
+
+void SkCanvas::temporary_internal_getRgnClip(SkRegion* rgn) {
+    RgnAccumulator accum(rgn);
+    SkRegion tmp;
+
+    rgn->setEmpty();
+    FOR_EACH_TOP_DEVICE(device->onAsRgnClip(&tmp); accum.accumulate(device, &tmp));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 bool SkCanvas::isClipEmpty() const {
-    return fMCRec->fRasterClip.isEmpty();
+    SkBaseDevice* dev = this->getTopDevice();
+    // if no device we return true
+    return !dev || dev->onGetClipType() == SkBaseDevice::kEmpty_ClipType;
 }
 
 bool SkCanvas::isClipRect() const {
-    return fMCRec->fRasterClip.isRect();
+    SkBaseDevice* dev = this->getTopDevice();
+    // if no device we return false
+    return dev && dev->onGetClipType() == SkBaseDevice::kRect_ClipType;
 }
 
 static inline bool is_nan_or_clipped(const Sk4f& devRect, const Sk4f& devClip) {
@@ -1857,38 +1678,13 @@
 }
 
 SkIRect SkCanvas::onGetDeviceClipBounds() const {
-    const SkRasterClip& clip = fMCRec->fRasterClip;
-    if (clip.isEmpty()) {
-        return SkIRect::MakeEmpty();
-    }
-    return clip.getBounds();
+    return fMCRec->fRasterClip.getBounds();
 }
 
 const SkMatrix& SkCanvas::getTotalMatrix() const {
     return fMCRec->fMatrix;
 }
 
-void SkCanvas::temporary_internal_getRgnClip(SkRegion* rgn) {
-    // we know that ganesh doesn't track the rgn, so ask for its clipstack
-    if (this->getGrContext()) {
-        const SkClipStack* cs = this->getClipStack();
-        SkClipStack::BoundsType boundType;
-        bool isIntersectionOfRects;
-        SkRect bounds;
-        cs->getBounds(&bounds, &boundType, &isIntersectionOfRects);
-        if (isIntersectionOfRects && SkClipStack::kNormal_BoundsType == boundType) {
-            rgn->setRect(bounds.round());
-            return;
-        }
-        SkPath path;
-        cs->asPath(&path);
-        SkISize size = this->getBaseLayerSize();
-        rgn->setPath(path, SkRegion(SkIRect::MakeWH(size.width(), size.height())));
-    } else {
-        *rgn = fMCRec->fRasterClip.forceGetBW();
-    }
-}
-
 GrRenderTargetContext* SkCanvas::internal_private_accessTopLayerRenderTargetContext() {
     SkBaseDevice* dev = this->getTopDevice();
     return dev ? dev->accessRenderTargetContext() : nullptr;
@@ -2158,7 +1954,7 @@
     LOOPER_BEGIN_CHECK_COMPLETE_OVERWRITE(paint, SkDrawFilter::kPaint_Type, nullptr, false)
 
     while (iter.next()) {
-        iter.fDevice->drawPaint(iter, looper.paint());
+        iter.fDevice->drawPaint(looper.paint());
     }
 
     LOOPER_END
@@ -2192,7 +1988,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kPoint_Type, bounds)
 
     while (iter.next()) {
-        iter.fDevice->drawPoints(iter, mode, count, pts, looper.paint());
+        iter.fDevice->drawPoints(mode, count, pts, looper.paint());
     }
 
     LOOPER_END
@@ -2224,7 +2020,7 @@
         LOOPER_BEGIN_CHECK_COMPLETE_OVERWRITE(paint, SkDrawFilter::kRect_Type, &r, false)
 
         while (iter.next()) {
-            iter.fDevice->drawRect(iter, r, looper.paint());
+            iter.fDevice->drawRect(r, looper.paint());
         }
 
         LOOPER_END
@@ -2232,7 +2028,7 @@
         this->predrawNotify(&r, &paint, false);
         SkDrawIter iter(this);
         while (iter.next()) {
-            iter.fDevice->drawRect(iter, r, paint);
+            iter.fDevice->drawRect(r, paint);
         }
     }
 }
@@ -2249,7 +2045,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, &regionRect)
 
     while (iter.next()) {
-        iter.fDevice->drawRegion(iter, region, looper.paint());
+        iter.fDevice->drawRegion(region, looper.paint());
     }
 
     LOOPER_END
@@ -2267,7 +2063,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kOval_Type, &oval)
 
     while (iter.next()) {
-        iter.fDevice->drawOval(iter, oval, looper.paint());
+        iter.fDevice->drawOval(oval, looper.paint());
     }
 
     LOOPER_END
@@ -2288,7 +2084,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kOval_Type, &oval)
 
     while (iter.next()) {
-        iter.fDevice->drawArc(iter, oval, startAngle, sweepAngle, useCenter, looper.paint());
+        iter.fDevice->drawArc(oval, startAngle, sweepAngle, useCenter, looper.paint());
     }
 
     LOOPER_END
@@ -2316,7 +2112,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, &rrect.getBounds())
 
     while (iter.next()) {
-        iter.fDevice->drawRRect(iter, rrect, looper.paint());
+        iter.fDevice->drawRRect(rrect, looper.paint());
     }
 
     LOOPER_END
@@ -2333,7 +2129,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, &outer.getBounds())
 
     while (iter.next()) {
-        iter.fDevice->drawDRRect(iter, outer, inner, looper.paint());
+        iter.fDevice->drawDRRect(outer, inner, looper.paint());
     }
 
     LOOPER_END
@@ -2363,7 +2159,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, &pathBounds)
 
     while (iter.next()) {
-        iter.fDevice->drawPath(iter, path, looper.paint());
+        iter.fDevice->drawPath(path, looper.paint());
     }
 
     LOOPER_END
@@ -2425,12 +2221,12 @@
         const SkPaint& pnt = looper.paint();
         if (special) {
             SkPoint pt;
-            iter.fMatrix->mapXY(x, y, &pt);
-            iter.fDevice->drawSpecial(iter, special.get(),
+            iter.fDevice->ctm().mapXY(x, y, &pt);
+            iter.fDevice->drawSpecial(special.get(),
                                       SkScalarRoundToInt(pt.fX),
                                       SkScalarRoundToInt(pt.fY), pnt);
         } else {
-            iter.fDevice->drawImage(iter, image, x, y, pnt);
+            iter.fDevice->drawImage(image, x, y, pnt);
         }
     }
 
@@ -2458,7 +2254,7 @@
                                           image->isOpaque())
 
     while (iter.next()) {
-        iter.fDevice->drawImageRect(iter, image, src, dst, looper.paint(), constraint);
+        iter.fDevice->drawImageRect(image, src, dst, looper.paint(), constraint);
     }
 
     LOOPER_END
@@ -2506,12 +2302,12 @@
         const SkPaint& pnt = looper.paint();
         if (special) {
             SkPoint pt;
-            iter.fMatrix->mapXY(x, y, &pt);
-            iter.fDevice->drawSpecial(iter, special.get(),
+            iter.fDevice->ctm().mapXY(x, y, &pt);
+            iter.fDevice->drawSpecial(special.get(),
                                       SkScalarRoundToInt(pt.fX),
                                       SkScalarRoundToInt(pt.fY), pnt);
         } else {
-            iter.fDevice->drawBitmap(iter, bitmap, matrix, looper.paint());
+            iter.fDevice->drawBitmap(bitmap, matrix, looper.paint());
         }
     }
 
@@ -2542,7 +2338,7 @@
                                           bitmap.isOpaque())
 
     while (iter.next()) {
-        iter.fDevice->drawBitmapRect(iter, bitmap, src, dst, looper.paint(), constraint);
+        iter.fDevice->drawBitmapRect(bitmap, src, dst, looper.paint(), constraint);
     }
 
     LOOPER_END
@@ -2574,7 +2370,7 @@
     LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, &dst)
 
     while (iter.next()) {
-        iter.fDevice->drawImageNine(iter, image, center, dst, looper.paint());
+        iter.fDevice->drawImageNine(image, center, dst, looper.paint());
     }
 
     LOOPER_END
@@ -2600,7 +2396,7 @@
     LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, &dst)
 
     while (iter.next()) {
-        iter.fDevice->drawBitmapNine(iter, bitmap, center, dst, looper.paint());
+        iter.fDevice->drawBitmapNine(bitmap, center, dst, looper.paint());
     }
 
     LOOPER_END
@@ -2623,7 +2419,7 @@
     LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, &dst)
 
     while (iter.next()) {
-        iter.fDevice->drawImageLattice(iter, image, lattice, dst, looper.paint());
+        iter.fDevice->drawImageLattice(image, lattice, dst, looper.paint());
     }
 
     LOOPER_END
@@ -2646,7 +2442,7 @@
     LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, &dst)
 
     while (iter.next()) {
-        iter.fDevice->drawBitmapLattice(iter, bitmap, lattice, dst, looper.paint());
+        iter.fDevice->drawBitmapLattice(bitmap, lattice, dst, looper.paint());
     }
 
     LOOPER_END
@@ -2678,7 +2474,7 @@
 
     while (iter.next()) {
         SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint());
-        iter.fDevice->drawText(iter, text, byteLength, x, y, dfp.paint());
+        iter.fDevice->drawText(text, byteLength, x, y, dfp.paint());
     }
 
     LOOPER_END
@@ -2692,7 +2488,7 @@
 
     while (iter.next()) {
         SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint());
-        iter.fDevice->drawPosText(iter, text, byteLength, &pos->fX, 2, textOffset,
+        iter.fDevice->drawPosText(text, byteLength, &pos->fX, 2, textOffset,
                                   dfp.paint());
     }
 
@@ -2708,7 +2504,7 @@
 
     while (iter.next()) {
         SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint());
-        iter.fDevice->drawPosText(iter, text, byteLength, xpos, 1, textOffset,
+        iter.fDevice->drawPosText(text, byteLength, xpos, 1, textOffset,
                                   dfp.paint());
     }
 
@@ -2720,7 +2516,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, nullptr)
 
     while (iter.next()) {
-        iter.fDevice->drawTextOnPath(iter, text, byteLength, path,
+        iter.fDevice->drawTextOnPath(text, byteLength, path,
                                      matrix, looper.paint());
     }
 
@@ -2736,7 +2532,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, nullptr)
 
     while (iter.next()) {
-        iter.fDevice->drawTextRSXform(iter, text, byteLength, xform, looper.paint());
+        iter.fDevice->drawTextRSXform(text, byteLength, xform, looper.paint());
     }
 
     LOOPER_END
@@ -2765,7 +2561,7 @@
 
     while (iter.next()) {
         SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint());
-        iter.fDevice->drawTextBlob(iter, blob, x, y, dfp.paint(), drawFilter);
+        iter.fDevice->drawTextBlob(blob, x, y, dfp.paint(), drawFilter);
     }
 
     LOOPER_END
@@ -2825,7 +2621,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, nullptr)
 
     while (iter.next()) {
-        iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs,
+        iter.fDevice->drawVertices(vmode, vertexCount, verts, texs,
                                    colors, bmode, indices, indexCount,
                                    looper.paint());
     }
@@ -2840,7 +2636,7 @@
 
     while (iter.next()) {
         // In the common case of one iteration we could std::move vertices here.
-        iter.fDevice->drawVerticesObject(iter, vertices, bmode, looper.paint(), flags);
+        iter.fDevice->drawVerticesObject(vertices, bmode, looper.paint(), flags);
     }
 
     LOOPER_END
@@ -2880,7 +2676,7 @@
     LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, nullptr)
 
     while (iter.next()) {
-        iter.fDevice->drawPatch(iter, cubics, colors, texCoords, bmode, paint);
+        iter.fDevice->drawPatch(cubics, colors, texCoords, bmode, paint);
     }
 
     LOOPER_END
@@ -2924,7 +2720,7 @@
 
     LOOPER_BEGIN(pnt, SkDrawFilter::kPath_Type, nullptr)
     while (iter.next()) {
-        iter.fDevice->drawAtlas(iter, atlas, xform, tex, colors, count, bmode, pnt);
+        iter.fDevice->drawAtlas(atlas, xform, tex, colors, count, bmode, pnt);
     }
     LOOPER_END
 }
@@ -2935,7 +2731,7 @@
     SkPaint paint;
     LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, nullptr)
     while (iter.next()) {
-        iter.fDevice->drawAnnotation(iter, rect, key, value);
+        iter.fDevice->drawAnnotation(rect, key, value);
     }
     LOOPER_END
 }
@@ -3310,7 +3106,7 @@
 }
 
 const SkMatrix& SkCanvas::LayerIter::matrix() const {
-    return fImpl->getMatrix();
+    return fImpl->fDevice->ctm();
 }
 
 const SkPaint& SkCanvas::LayerIter::paint() const {
@@ -3321,7 +3117,10 @@
     return *paint;
 }
 
-const SkRasterClip& SkCanvas::LayerIter::clip() const { return fImpl->getClip(); }
+void SkCanvas::LayerIter::clip(SkRegion* rgn) const {
+    return fImpl->fDevice->onAsRgnClip(rgn);
+}
+
 int SkCanvas::LayerIter::x() const { return fImpl->getX(); }
 int SkCanvas::LayerIter::y() const { return fImpl->getY(); }
 
diff --git a/src/core/SkClipStackDevice.cpp b/src/core/SkClipStackDevice.cpp
index 799850b..dd5118d 100644
--- a/src/core/SkClipStackDevice.cpp
+++ b/src/core/SkClipStackDevice.cpp
@@ -9,6 +9,16 @@
 #include "SkDraw.h"
 #include "SkRasterClip.h"
 
+SkIRect SkClipStackDevice::devClipBounds() const {
+    SkIRect r = fClipStack.bounds(this->imageInfo().bounds()).roundOut();
+    if (!r.isEmpty()) {
+        SkASSERT(this->imageInfo().bounds().contains(r));
+    }
+    return r;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
 void SkClipStackDevice::onSave() {
     fClipStack.save();
 }
@@ -52,13 +62,47 @@
     }
 }
 
-SkIRect SkClipStackDevice::devClipBounds(const SkDraw& draw) const {
-#ifdef SK_USE_DEVICE_CLIPPING
-    SkIRect r = fClipStack.bounds(this->imageInfo().bounds()).roundOut();
-    SkASSERT(this->imageInfo().bounds().contains(r));
-    SkASSERT(draw.fRC->getBounds().contains(r));
-    return r;
-#else
-    return draw.fRC->getBounds();
-#endif
+bool SkClipStackDevice::onClipIsAA() const {
+    SkClipStack::B2TIter        iter(fClipStack);
+    const SkClipStack::Element* element;
+
+    while ((element = iter.next()) != nullptr) {
+        if (element->isAA()) {
+            return true;
+        }
+    }
+    return false;
+}
+
+void SkClipStackDevice::onAsRgnClip(SkRegion* rgn) const {
+    SkClipStack::BoundsType boundType;
+    bool isIntersectionOfRects;
+    SkRect bounds;
+    fClipStack.getBounds(&bounds, &boundType, &isIntersectionOfRects);
+    if (isIntersectionOfRects && SkClipStack::kNormal_BoundsType == boundType) {
+        rgn->setRect(bounds.round());
+    } else {
+        SkPath path;
+        fClipStack.asPath(&path);
+        rgn->setPath(path, SkRegion(SkIRect::MakeWH(this->width(), this->height())));
+    }
+}
+
+SkBaseDevice::ClipType SkClipStackDevice::onGetClipType() const {
+    if (fClipStack.isWideOpen()) {
+        return kRect_ClipType;
+    }
+    if (fClipStack.isEmpty(SkIRect::MakeWH(this->width(), this->height()))) {
+        return kEmpty_ClipType;
+    } else {
+        SkClipStack::BoundsType boundType;
+        bool isIntersectionOfRects;
+        SkRect bounds;
+        fClipStack.getBounds(&bounds, &boundType, &isIntersectionOfRects);
+        if (isIntersectionOfRects && SkClipStack::kNormal_BoundsType == boundType) {
+            return kRect_ClipType;
+        } else {
+            return kComplex_ClipType;
+        }
+    }
 }
diff --git a/src/core/SkClipStackDevice.h b/src/core/SkClipStackDevice.h
index 1836821..1f1c7d6 100644
--- a/src/core/SkClipStackDevice.h
+++ b/src/core/SkClipStackDevice.h
@@ -19,7 +19,7 @@
 
     const SkClipStack& cs() const { return fClipStack; }
 
-    SkIRect devClipBounds(const SkDraw&) const;
+    SkIRect devClipBounds() const;
 
 protected:
     void onSave() override;
@@ -29,6 +29,9 @@
     void onClipPath(const SkPath& path, SkClipOp, bool aa) override;
     void onClipRegion(const SkRegion& deviceRgn, SkClipOp) override;
     void onSetDeviceClipRestriction(SkIRect* mutableClipRestriction) override;
+    bool onClipIsAA() const override;
+    void onAsRgnClip(SkRegion*) const override;
+    ClipType onGetClipType() const override;
 
 private:
     SkClipStack fClipStack;
diff --git a/src/core/SkDevice.cpp b/src/core/SkDevice.cpp
index cd3bf50..fad73e9 100644
--- a/src/core/SkDevice.cpp
+++ b/src/core/SkDevice.cpp
@@ -71,35 +71,36 @@
     return x == (float) sk_float_round2int(x);
 }
 
-void SkBaseDevice::drawRegion(const SkDraw& draw, const SkRegion& region, const SkPaint& paint) {
-    bool isNonTranslate = draw.fMatrix->getType() & ~(SkMatrix::kTranslate_Mask);
+void SkBaseDevice::drawRegion(const SkRegion& region, const SkPaint& paint) {
+    const SkMatrix& ctm = this->ctm();
+    bool isNonTranslate = ctm.getType() & ~(SkMatrix::kTranslate_Mask);
     bool complexPaint = paint.getStyle() != SkPaint::kFill_Style || paint.getMaskFilter() ||
                         paint.getPathEffect();
-    bool antiAlias = paint.isAntiAlias() && (!is_int(draw.fMatrix->getTranslateX()) ||
-                                             !is_int(draw.fMatrix->getTranslateY()));
+    bool antiAlias = paint.isAntiAlias() && (!is_int(ctm.getTranslateX()) ||
+                                             !is_int(ctm.getTranslateY()));
     if (isNonTranslate || complexPaint || antiAlias) {
         SkPath path;
         region.getBoundaryPath(&path);
-        return this->drawPath(draw, path, paint, nullptr, false);
+        return this->drawPath(path, paint, nullptr, false);
     }
 
     SkRegion::Iterator it(region);
     while (!it.done()) {
-        this->drawRect(draw, SkRect::Make(it.rect()), paint);
+        this->drawRect(SkRect::Make(it.rect()), paint);
         it.next();
     }
 }
 
-void SkBaseDevice::drawArc(const SkDraw& draw, const SkRect& oval, SkScalar startAngle,
+void SkBaseDevice::drawArc(const SkRect& oval, SkScalar startAngle,
                            SkScalar sweepAngle, bool useCenter, const SkPaint& paint) {
     SkPath path;
     bool isFillNoPathEffect = SkPaint::kFill_Style == paint.getStyle() && !paint.getPathEffect();
     SkPathPriv::CreateDrawArcPath(&path, oval, startAngle, sweepAngle, useCenter,
                                   isFillNoPathEffect);
-    this->drawPath(draw, path, paint);
+    this->drawPath(path, paint);
 }
 
-void SkBaseDevice::drawDRRect(const SkDraw& draw, const SkRRect& outer,
+void SkBaseDevice::drawDRRect(const SkRRect& outer,
                               const SkRRect& inner, const SkPaint& paint) {
     SkPath path;
     path.addRRect(outer);
@@ -109,25 +110,25 @@
 
     const SkMatrix* preMatrix = nullptr;
     const bool pathIsMutable = true;
-    this->drawPath(draw, path, paint, preMatrix, pathIsMutable);
+    this->drawPath(path, paint, preMatrix, pathIsMutable);
 }
 
-void SkBaseDevice::drawPatch(const SkDraw& draw, const SkPoint cubics[12], const SkColor colors[4],
+void SkBaseDevice::drawPatch(const SkPoint cubics[12], const SkColor colors[4],
                              const SkPoint texCoords[4], SkBlendMode bmode, const SkPaint& paint) {
     SkPatchUtils::VertexData data;
 
-    SkISize lod = SkPatchUtils::GetLevelOfDetail(cubics, draw.fMatrix);
+    SkISize lod = SkPatchUtils::GetLevelOfDetail(cubics, &this->ctm());
 
     // It automatically adjusts lodX and lodY in case it exceeds the number of indices.
     // If it fails to generate the vertices, then we do not draw.
     if (SkPatchUtils::getVertexData(&data, cubics, colors, texCoords, lod.width(), lod.height())) {
-        this->drawVertices(draw, SkCanvas::kTriangles_VertexMode, data.fVertexCount, data.fPoints,
+        this->drawVertices(SkCanvas::kTriangles_VertexMode, data.fVertexCount, data.fPoints,
                            data.fTexCoords, data.fColors, bmode, data.fIndices, data.fIndexCount,
                            paint);
     }
 }
 
-void SkBaseDevice::drawTextBlob(const SkDraw& draw, const SkTextBlob* blob, SkScalar x, SkScalar y,
+void SkBaseDevice::drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
                                 const SkPaint &paint, SkDrawFilter* drawFilter) {
 
     SkPaint runPaint = paint;
@@ -150,14 +151,14 @@
 
         switch (it.positioning()) {
         case SkTextBlob::kDefault_Positioning:
-            this->drawText(draw, it.glyphs(), textLen, x + offset.x(), y + offset.y(), runPaint);
+            this->drawText(it.glyphs(), textLen, x + offset.x(), y + offset.y(), runPaint);
             break;
         case SkTextBlob::kHorizontal_Positioning:
-            this->drawPosText(draw, it.glyphs(), textLen, it.pos(), 1,
+            this->drawPosText(it.glyphs(), textLen, it.pos(), 1,
                               SkPoint::Make(x, y + offset.y()), runPaint);
             break;
         case SkTextBlob::kFull_Positioning:
-            this->drawPosText(draw, it.glyphs(), textLen, it.pos(), 2,
+            this->drawPosText(it.glyphs(), textLen, it.pos(), 2,
                               SkPoint::Make(x, y), runPaint);
             break;
         default:
@@ -171,66 +172,66 @@
     }
 }
 
-void SkBaseDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x, SkScalar y,
+void SkBaseDevice::drawImage(const SkImage* image, SkScalar x, SkScalar y,
                              const SkPaint& paint) {
     SkBitmap bm;
     if (as_IB(image)->getROPixels(&bm, this->imageInfo().colorSpace())) {
-        this->drawBitmap(draw, bm, SkMatrix::MakeTrans(x, y), paint);
+        this->drawBitmap(bm, SkMatrix::MakeTrans(x, y), paint);
     }
 }
 
-void SkBaseDevice::drawImageRect(const SkDraw& draw, const SkImage* image, const SkRect* src,
+void SkBaseDevice::drawImageRect(const SkImage* image, const SkRect* src,
                                  const SkRect& dst, const SkPaint& paint,
                                  SkCanvas::SrcRectConstraint constraint) {
     SkBitmap bm;
     if (as_IB(image)->getROPixels(&bm, this->imageInfo().colorSpace())) {
-        this->drawBitmapRect(draw, bm, src, dst, paint, constraint);
+        this->drawBitmapRect(bm, src, dst, paint, constraint);
     }
 }
 
-void SkBaseDevice::drawImageNine(const SkDraw& draw, const SkImage* image, const SkIRect& center,
+void SkBaseDevice::drawImageNine(const SkImage* image, const SkIRect& center,
                                  const SkRect& dst, const SkPaint& paint) {
     SkLatticeIter iter(image->width(), image->height(), center, dst);
 
     SkRect srcR, dstR;
     while (iter.next(&srcR, &dstR)) {
-        this->drawImageRect(draw, image, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
+        this->drawImageRect(image, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
     }
 }
 
-void SkBaseDevice::drawBitmapNine(const SkDraw& draw, const SkBitmap& bitmap, const SkIRect& center,
+void SkBaseDevice::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
                                   const SkRect& dst, const SkPaint& paint) {
     SkLatticeIter iter(bitmap.width(), bitmap.height(), center, dst);
 
     SkRect srcR, dstR;
     while (iter.next(&srcR, &dstR)) {
-        this->drawBitmapRect(draw, bitmap, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
+        this->drawBitmapRect(bitmap, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
     }
 }
 
-void SkBaseDevice::drawImageLattice(const SkDraw& draw, const SkImage* image,
+void SkBaseDevice::drawImageLattice(const SkImage* image,
                                     const SkCanvas::Lattice& lattice, const SkRect& dst,
                                     const SkPaint& paint) {
     SkLatticeIter iter(lattice, dst);
 
     SkRect srcR, dstR;
     while (iter.next(&srcR, &dstR)) {
-        this->drawImageRect(draw, image, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
+        this->drawImageRect(image, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
     }
 }
 
-void SkBaseDevice::drawBitmapLattice(const SkDraw& draw, const SkBitmap& bitmap,
+void SkBaseDevice::drawBitmapLattice(const SkBitmap& bitmap,
                                      const SkCanvas::Lattice& lattice, const SkRect& dst,
                                      const SkPaint& paint) {
     SkLatticeIter iter(lattice, dst);
 
     SkRect srcR, dstR;
     while (iter.next(&srcR, &dstR)) {
-        this->drawBitmapRect(draw, bitmap, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
+        this->drawBitmapRect(bitmap, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
     }
 }
 
-void SkBaseDevice::drawAtlas(const SkDraw& draw, const SkImage* atlas, const SkRSXform xform[],
+void SkBaseDevice::drawAtlas(const SkImage* atlas, const SkRSXform xform[],
                              const SkRect tex[], const SkColor colors[], int count,
                              SkBlendMode mode, const SkPaint& paint) {
     SkPath path;
@@ -260,23 +261,23 @@
         path.rewind();
         path.addPoly(quad, 4, true);
         path.setConvexity(SkPath::kConvex_Convexity);
-        this->drawPath(draw, path, pnt, nullptr, true);
+        this->drawPath(path, pnt, nullptr, true);
     }
 }
 
-void SkBaseDevice::drawVerticesObject(const SkDraw& draw, sk_sp<SkVertices> vertices,
+void SkBaseDevice::drawVerticesObject(sk_sp<SkVertices> vertices,
                                       SkBlendMode mode, const SkPaint& paint, uint32_t flags) {
     const SkPoint* texs =
             (flags & SkCanvas::kIgnoreTexCoords_VerticesFlag) ? nullptr : vertices->texCoords();
     const SkColor* colors =
             (flags & SkCanvas::kIgnoreColors_VerticesFlag) ? nullptr : vertices->colors();
-    this->drawVertices(draw, vertices->mode(), vertices->vertexCount(), vertices->positions(), texs,
+    this->drawVertices(vertices->mode(), vertices->vertexCount(), vertices->positions(), texs,
                        colors, mode, vertices->indices(), vertices->indexCount(), paint);
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
-void SkBaseDevice::drawSpecial(const SkDraw&, SkSpecialImage*, int x, int y, const SkPaint&) {}
+void SkBaseDevice::drawSpecial(SkSpecialImage*, int x, int y, const SkPaint&) {}
 sk_sp<SkSpecialImage> SkBaseDevice::makeSpecial(const SkBitmap&) { return nullptr; }
 sk_sp<SkSpecialImage> SkBaseDevice::makeSpecial(const SkImage*) { return nullptr; }
 sk_sp<SkSpecialImage> SkBaseDevice::snapSpecial() { return nullptr; }
@@ -392,13 +393,13 @@
     }
 }
 
-void SkBaseDevice::drawTextOnPath(const SkDraw& draw, const void* text, size_t byteLength,
+void SkBaseDevice::drawTextOnPath(const void* text, size_t byteLength,
                                   const SkPath& follow, const SkMatrix* matrix,
                                   const SkPaint& paint) {
     SkASSERT(byteLength == 0 || text != nullptr);
 
     // nothing to draw
-    if (text == nullptr || byteLength == 0 || draw.fRC->isEmpty()) {
+    if (text == nullptr || byteLength == 0) {
         return;
     }
 
@@ -433,7 +434,7 @@
                 m.postConcat(*matrix);
             }
             morphpath(&tmp, *iterPath, meas, m);
-            this->drawPath(draw, tmp, iter.getPaint(), nullptr, true);
+            this->drawPath(tmp, iter.getPaint(), nullptr, true);
         }
     }
 }
@@ -448,7 +449,7 @@
 static int return_4(const char* text) { return 4; }
 static int return_2(const char* text) { return 2; }
 
-void SkBaseDevice::drawTextRSXform(const SkDraw& draw, const void* text, size_t len,
+void SkBaseDevice::drawTextRSXform(const void* text, size_t len,
                                    const SkRSXform xform[], const SkPaint& paint) {
     CountTextProc proc = nullptr;
     switch (paint.getTextEncoding()) {
@@ -466,19 +467,15 @@
             break;
     }
 
-    SkDraw localD(draw);
     SkMatrix localM, currM;
     const void* stopText = (const char*)text + len;
     while ((const char*)text < (const char*)stopText) {
         localM.setRSXform(*xform++);
-        currM.setConcat(*draw.fMatrix, localM);
-        localD.fMatrix = &currM;
-#ifdef SK_USE_DEVICE_CLIPPING
+        currM.setConcat(this->ctm(), localM);
         SkAutoDeviceCTMRestore adc(this, currM);
-#endif
 
         int subLen = proc((const char*)text);
-        this->drawText(localD, text, subLen, 0, 0, paint);
+        this->drawText(text, subLen, 0, 0, paint);
         text = (const char*)text + subLen;
     }
 }
diff --git a/src/core/SkDevice.h b/src/core/SkDevice.h
index cd0e1d0..481d46a 100644
--- a/src/core/SkDevice.h
+++ b/src/core/SkDevice.h
@@ -14,7 +14,6 @@
 #include "SkSurfaceProps.h"
 
 class SkBitmap;
-class SkDraw;
 class SkDrawFilter;
 class SkImageFilterCache;
 struct SkIRect;
@@ -150,29 +149,37 @@
     virtual void onClipPath(const SkPath& path, SkClipOp, bool aa) {}
     virtual void onClipRegion(const SkRegion& deviceRgn, SkClipOp) {}
     virtual void onSetDeviceClipRestriction(SkIRect* mutableClipRestriction) {}
+    virtual bool onClipIsAA() const = 0;
+    virtual void onAsRgnClip(SkRegion*) const = 0;
+    enum ClipType {
+        kEmpty_ClipType,
+        kRect_ClipType,
+        kComplex_ClipType
+    };
+    virtual ClipType onGetClipType() const = 0;
 
     /** These are called inside the per-device-layer loop for each draw call.
      When these are called, we have already applied any saveLayer operations,
      and are handling any looping from the paint, and any effects from the
      DrawFilter.
      */
-    virtual void drawPaint(const SkDraw&, const SkPaint& paint) = 0;
-    virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count,
+    virtual void drawPaint(const SkPaint& paint) = 0;
+    virtual void drawPoints(SkCanvas::PointMode mode, size_t count,
                             const SkPoint[], const SkPaint& paint) = 0;
-    virtual void drawRect(const SkDraw&, const SkRect& r,
+    virtual void drawRect(const SkRect& r,
                           const SkPaint& paint) = 0;
-    virtual void drawRegion(const SkDraw&, const SkRegion& r,
+    virtual void drawRegion(const SkRegion& r,
                             const SkPaint& paint);
-    virtual void drawOval(const SkDraw&, const SkRect& oval,
+    virtual void drawOval(const SkRect& oval,
                           const SkPaint& paint) = 0;
     /** By the time this is called we know that abs(sweepAngle) is in the range [0, 360). */
-    virtual void drawArc(const SkDraw&, const SkRect& oval, SkScalar startAngle,
+    virtual void drawArc(const SkRect& oval, SkScalar startAngle,
                          SkScalar sweepAngle, bool useCenter, const SkPaint& paint);
-    virtual void drawRRect(const SkDraw&, const SkRRect& rr,
+    virtual void drawRRect(const SkRRect& rr,
                            const SkPaint& paint) = 0;
 
     // Default impl calls drawPath()
-    virtual void drawDRRect(const SkDraw&, const SkRRect& outer,
+    virtual void drawDRRect(const SkRRect& outer,
                             const SkRRect& inner, const SkPaint&);
 
     /**
@@ -186,77 +193,77 @@
      *  affect the geometry/rasterization, then the pre matrix can just be
      *  pre-concated with the current matrix.
      */
-    virtual void drawPath(const SkDraw&, const SkPath& path,
+    virtual void drawPath(const SkPath& path,
                           const SkPaint& paint,
                           const SkMatrix* prePathMatrix = NULL,
                           bool pathIsMutable = false) = 0;
-    virtual void drawBitmap(const SkDraw&, const SkBitmap& bitmap,
+    virtual void drawBitmap(const SkBitmap& bitmap,
                             const SkMatrix& matrix, const SkPaint& paint) = 0;
-    virtual void drawSprite(const SkDraw&, const SkBitmap& bitmap,
+    virtual void drawSprite(const SkBitmap& bitmap,
                             int x, int y, const SkPaint& paint) = 0;
 
     /**
      *  The default impl. will create a bitmap-shader from the bitmap,
      *  and call drawRect with it.
      */
-    virtual void drawBitmapRect(const SkDraw&, const SkBitmap&,
+    virtual void drawBitmapRect(const SkBitmap&,
                                 const SkRect* srcOrNull, const SkRect& dst,
                                 const SkPaint& paint,
                                 SkCanvas::SrcRectConstraint) = 0;
-    virtual void drawBitmapNine(const SkDraw&, const SkBitmap&, const SkIRect& center,
+    virtual void drawBitmapNine(const SkBitmap&, const SkIRect& center,
                                 const SkRect& dst, const SkPaint&);
-    virtual void drawBitmapLattice(const SkDraw&, const SkBitmap&, const SkCanvas::Lattice&,
+    virtual void drawBitmapLattice(const SkBitmap&, const SkCanvas::Lattice&,
                                    const SkRect& dst, const SkPaint&);
 
-    virtual void drawImage(const SkDraw&, const SkImage*, SkScalar x, SkScalar y, const SkPaint&);
-    virtual void drawImageRect(const SkDraw&, const SkImage*, const SkRect* src, const SkRect& dst,
+    virtual void drawImage(const SkImage*, SkScalar x, SkScalar y, const SkPaint&);
+    virtual void drawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
                                const SkPaint&, SkCanvas::SrcRectConstraint);
-    virtual void drawImageNine(const SkDraw&, const SkImage*, const SkIRect& center,
+    virtual void drawImageNine(const SkImage*, const SkIRect& center,
                                const SkRect& dst, const SkPaint&);
-    virtual void drawImageLattice(const SkDraw&, const SkImage*, const SkCanvas::Lattice&,
+    virtual void drawImageLattice(const SkImage*, const SkCanvas::Lattice&,
                                   const SkRect& dst, const SkPaint&);
 
     /**
      *  Does not handle text decoration.
      *  Decorations (underline and stike-thru) will be handled by SkCanvas.
      */
-    virtual void drawText(const SkDraw&, const void* text, size_t len,
+    virtual void drawText(const void* text, size_t len,
                           SkScalar x, SkScalar y, const SkPaint& paint) = 0;
-    virtual void drawPosText(const SkDraw&, const void* text, size_t len,
+    virtual void drawPosText(const void* text, size_t len,
                              const SkScalar pos[], int scalarsPerPos,
                              const SkPoint& offset, const SkPaint& paint) = 0;
-    virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount,
+    virtual void drawVertices(SkCanvas::VertexMode, int vertexCount,
                               const SkPoint verts[], const SkPoint texs[],
                               const SkColor colors[], SkBlendMode,
                               const uint16_t indices[], int indexCount,
                               const SkPaint& paint) = 0;
-    virtual void drawVerticesObject(const SkDraw&, sk_sp<SkVertices>, SkBlendMode, const SkPaint&,
+    virtual void drawVerticesObject(sk_sp<SkVertices>, SkBlendMode, const SkPaint&,
                                     uint32_t flags);
     // default implementation unrolls the blob runs.
-    virtual void drawTextBlob(const SkDraw&, const SkTextBlob*, SkScalar x, SkScalar y,
+    virtual void drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y,
                               const SkPaint& paint, SkDrawFilter* drawFilter);
     // default implementation calls drawVertices
-    virtual void drawPatch(const SkDraw&, const SkPoint cubics[12], const SkColor colors[4],
+    virtual void drawPatch(const SkPoint cubics[12], const SkColor colors[4],
                            const SkPoint texCoords[4], SkBlendMode, const SkPaint& paint);
 
     // default implementation calls drawPath
-    virtual void drawAtlas(const SkDraw&, const SkImage* atlas, const SkRSXform[], const SkRect[],
+    virtual void drawAtlas(const SkImage* atlas, const SkRSXform[], const SkRect[],
                            const SkColor[], int count, SkBlendMode, const SkPaint&);
 
-    virtual void drawAnnotation(const SkDraw&, const SkRect&, const char[], SkData*) {}
+    virtual void drawAnnotation(const SkRect&, const char[], SkData*) {}
 
     /** The SkDevice passed will be an SkDevice which was returned by a call to
         onCreateDevice on this device with kNeverTile_TileExpectation.
      */
-    virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
+    virtual void drawDevice(SkBaseDevice*, int x, int y,
                             const SkPaint&) = 0;
 
-    virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len, const SkPath&,
+    virtual void drawTextOnPath(const void* text, size_t len, const SkPath&,
                                 const SkMatrix*, const SkPaint&);
-    virtual void drawTextRSXform(const SkDraw&, const void* text, size_t len, const SkRSXform[],
+    virtual void drawTextRSXform(const void* text, size_t len, const SkRSXform[],
                                  const SkPaint&);
 
-    virtual void drawSpecial(const SkDraw&, SkSpecialImage*, int x, int y, const SkPaint&);
+    virtual void drawSpecial(SkSpecialImage*, int x, int y, const SkPaint&);
     virtual sk_sp<SkSpecialImage> makeSpecial(const SkBitmap&);
     virtual sk_sp<SkSpecialImage> makeSpecial(const SkImage*);
     virtual sk_sp<SkSpecialImage> snapSpecial();
diff --git a/src/core/SkDeviceLooper.cpp b/src/core/SkDeviceLooper.cpp
index c4e4013..cea9270 100644
--- a/src/core/SkDeviceLooper.cpp
+++ b/src/core/SkDeviceLooper.cpp
@@ -11,7 +11,6 @@
                                bool aa)
     : fBaseDst(base)
     , fBaseRC(rc)
-    , fSubsetRC(rc.isForceConservativeRects())
     , fDelta(aa ? kAA_Delta : kBW_Delta)
 {
     // sentinels that next() has not yet been called, and so our mapper functions
diff --git a/src/core/SkDraw.cpp b/src/core/SkDraw.cpp
index 683d5e1..03ca87e 100644
--- a/src/core/SkDraw.cpp
+++ b/src/core/SkDraw.cpp
@@ -578,11 +578,9 @@
                         // then path then
                         path.setIsVolatile((count-1) == i);
                         if (device) {
-                            device->drawPath(*this, path, newPaint, &preMatrix,
-                                              (count-1) == i);
+                            device->drawPath(path, newPaint, &preMatrix, (count-1) == i);
                         } else {
-                            this->drawPath(path, newPaint, &preMatrix,
-                                           (count-1) == i);
+                            this->drawPath(path, newPaint, &preMatrix, (count-1) == i);
                         }
                     }
                 } else {
@@ -594,7 +592,7 @@
                         r.fRight = r.fLeft + width;
                         r.fBottom = r.fTop + width;
                         if (device) {
-                            device->drawRect(*this, r, newPaint);
+                            device->drawRect(r, newPaint);
                         } else {
                             this->drawRect(r, newPaint);
                         }
@@ -625,7 +623,7 @@
 
                         if (!pointData.fFirst.isEmpty()) {
                             if (device) {
-                                device->drawPath(*this, pointData.fFirst, newP);
+                                device->drawPath(pointData.fFirst, newP);
                             } else {
                                 this->drawPath(pointData.fFirst, newP);
                             }
@@ -633,7 +631,7 @@
 
                         if (!pointData.fLast.isEmpty()) {
                             if (device) {
-                                device->drawPath(*this, pointData.fLast, newP);
+                                device->drawPath(pointData.fLast, newP);
                             } else {
                                 this->drawPath(pointData.fLast, newP);
                             }
@@ -650,11 +648,10 @@
                             }
 
                             if (device) {
-                                device->drawPoints(*this,
-                                                    SkCanvas::kPoints_PointMode,
-                                                    pointData.fNumPoints,
-                                                    pointData.fPoints,
-                                                    newP);
+                                device->drawPoints(SkCanvas::kPoints_PointMode,
+                                                   pointData.fNumPoints,
+                                                   pointData.fPoints,
+                                                   newP);
                             } else {
                                 this->drawPoints(SkCanvas::kPoints_PointMode,
                                                  pointData.fNumPoints,
@@ -676,7 +673,7 @@
                                       pointData.fPoints[i].fX + pointData.fSize.fX,
                                       pointData.fPoints[i].fY + pointData.fSize.fY);
                                 if (device) {
-                                    device->drawRect(*this, r, newP);
+                                    device->drawRect(r, newP);
                                 } else {
                                     this->drawRect(r, newP);
                                 }
@@ -698,7 +695,7 @@
                     path.moveTo(pts[i]);
                     path.lineTo(pts[i+1]);
                     if (device) {
-                        device->drawPath(*this, path, p, nullptr, true);
+                        device->drawPath(path, p, nullptr, true);
                     } else {
                         this->drawPath(path, p, nullptr, true);
                     }
@@ -1423,8 +1420,7 @@
     while (iter.next(&iterPath, &xpos)) {
         matrix.postTranslate(xpos - prevXPos, 0);
         if (iterPath) {
-            const SkPaint& pnt = iter.getPaint();
-            this->drawPath(*iterPath, pnt, &matrix, false);
+            this->drawPath(*iterPath, iter.getPaint(), &matrix, false);
         }
         prevXPos = xpos;
     }
diff --git a/src/core/SkDraw.h b/src/core/SkDraw.h
index 5343339..0b29468 100644
--- a/src/core/SkDraw.h
+++ b/src/core/SkDraw.h
@@ -149,7 +149,6 @@
     SkPixmap        fDst;
     const SkMatrix* fMatrix;        // required
     const SkRasterClip* fRC;        // required
-    const SkClipStack* fClipStack;  // optional, may be null
 
 #ifdef SK_DEBUG
     void validate() const;
diff --git a/src/core/SkRasterClip.cpp b/src/core/SkRasterClip.cpp
index a9e043f..f43d14e 100644
--- a/src/core/SkRasterClip.cpp
+++ b/src/core/SkRasterClip.cpp
@@ -8,10 +8,125 @@
 #include "SkRasterClip.h"
 #include "SkPath.h"
 
+enum MutateResult {
+    kDoNothing_MutateResult,
+    kReplaceClippedAgainstGlobalBounds_MutateResult,
+    kContinue_MutateResult,
+};
+
+static MutateResult mutate_conservative_op(SkRegion::Op* op, bool inverseFilled) {
+    if (inverseFilled) {
+        switch (*op) {
+            case SkRegion::kIntersect_Op:
+            case SkRegion::kDifference_Op:
+                // These ops can only shrink the current clip. So leaving
+                // the clip unchanged conservatively respects the contract.
+                return kDoNothing_MutateResult;
+            case SkRegion::kUnion_Op:
+            case SkRegion::kReplace_Op:
+            case SkRegion::kReverseDifference_Op:
+            case SkRegion::kXOR_Op: {
+                // These ops can grow the current clip up to the extents of
+                // the input clip, which is inverse filled, so we just set
+                // the current clip to the device bounds.
+                *op = SkRegion::kReplace_Op;
+                return kReplaceClippedAgainstGlobalBounds_MutateResult;
+            }
+        }
+    } else {
+        // Not inverse filled
+        switch (*op) {
+            case SkRegion::kIntersect_Op:
+            case SkRegion::kUnion_Op:
+            case SkRegion::kReplace_Op:
+                return kContinue_MutateResult;
+            case SkRegion::kDifference_Op:
+                // Difference can only shrink the current clip.
+                // Leaving clip unchanged conservatively fullfills the contract.
+                return kDoNothing_MutateResult;
+            case SkRegion::kReverseDifference_Op:
+                // To reverse, we swap in the bounds with a replace op.
+                // As with difference, leave it unchanged.
+                *op = SkRegion::kReplace_Op;
+                return kContinue_MutateResult;
+            case SkRegion::kXOR_Op:
+                // Be conservative, based on (A XOR B) always included in (A union B),
+                // which is always included in (bounds(A) union bounds(B))
+                *op = SkRegion::kUnion_Op;
+                return kContinue_MutateResult;
+        }
+    }
+    SkFAIL("should not get here");
+    return kDoNothing_MutateResult;
+}
+
+void SkConservativeClip::op(const SkRect& localRect, const SkMatrix& ctm, const SkIRect& devBounds,
+                            SkRegion::Op op, bool doAA) {
+    SkRect devRect;
+
+    SkIRect bounds(devBounds);
+    this->applyClipRestriction(op, &bounds);
+    SkIRect ir;
+    switch (mutate_conservative_op(&op, false)) {
+        case kDoNothing_MutateResult:
+            return;
+        case kReplaceClippedAgainstGlobalBounds_MutateResult:
+            ir = bounds;
+            break;
+        case kContinue_MutateResult:
+            ctm.mapRect(&devRect, localRect);
+            ir = doAA ? devRect.roundOut() : devRect.round();
+            break;
+    }
+    this->op(ir, op);
+}
+
+void SkConservativeClip::op(const SkRRect& rrect, const SkMatrix& ctm, const SkIRect& devBounds,
+                            SkRegion::Op op, bool doAA) {
+    SkIRect bounds(devBounds);
+    this->applyClipRestriction(op, &bounds);
+    this->op(rrect.getBounds(), ctm, bounds, op, doAA);
+}
+
+void SkConservativeClip::op(const SkPath& path, const SkMatrix& ctm, const SkIRect& devBounds,
+                            SkRegion::Op op, bool doAA) {
+    SkIRect bounds(devBounds);
+    this->applyClipRestriction(op, &bounds);
+
+    SkIRect ir;
+    switch (mutate_conservative_op(&op, path.isInverseFillType())) {
+        case kDoNothing_MutateResult:
+            return;
+        case kReplaceClippedAgainstGlobalBounds_MutateResult:
+            ir = bounds;
+            break;
+        case kContinue_MutateResult: {
+            SkRect bounds = path.getBounds();
+            ctm.mapRect(&bounds);
+            ir = bounds.roundOut();
+            break;
+        }
+    }
+    return this->op(ir, op);
+}
+
+void SkConservativeClip::op(const SkRegion& rgn, SkRegion::Op op) {
+    this->op(rgn.getBounds(), op);
+}
+
+void SkConservativeClip::op(const SkIRect& devRect, SkRegion::Op op) {
+    // This may still create a complex region (which we would then take the bounds
+    // Perhaps we should inline the op-logic directly to never create the rgn...
+    SkRegion result;
+    result.op(SkRegion(fBounds), SkRegion(devRect), op);
+    fBounds = result.getBounds();
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
 SkRasterClip::SkRasterClip(const SkRasterClip& src) {
     AUTO_RASTERCLIP_VALIDATE(src);
 
-    fForceConservativeRects = src.fForceConservativeRects;
     fIsBW = src.fIsBW;
     if (fIsBW) {
         fBW = src.fBW;
@@ -26,23 +141,20 @@
 }
 
 SkRasterClip::SkRasterClip(const SkRegion& rgn) : fBW(rgn) {
-    fForceConservativeRects = false;
     fIsBW = true;
     fIsEmpty = this->computeIsEmpty();  // bounds might be empty, so compute
     fIsRect = !fIsEmpty;
     SkDEBUGCODE(this->validate();)
 }
 
-SkRasterClip::SkRasterClip(const SkIRect& bounds, bool forceConservativeRects) : fBW(bounds) {
-    fForceConservativeRects = forceConservativeRects;
+SkRasterClip::SkRasterClip(const SkIRect& bounds) : fBW(bounds) {
     fIsBW = true;
     fIsEmpty = this->computeIsEmpty();  // bounds might be empty, so compute
     fIsRect = !fIsEmpty;
     SkDEBUGCODE(this->validate();)
 }
 
-SkRasterClip::SkRasterClip(bool forceConservativeRects) {
-    fForceConservativeRects = forceConservativeRects;
+SkRasterClip::SkRasterClip() {
     fIsBW = true;
     fIsEmpty = true;
     fIsRect = false;
@@ -54,8 +166,6 @@
 }
 
 bool SkRasterClip::operator==(const SkRasterClip& other) const {
-    // This impl doesn't care if fForceConservativeRects is the same in both, only the current state
-
     if (fIsBW != other.fIsBW) {
         return false;
     }
@@ -114,65 +224,9 @@
 
 /////////////////////////////////////////////////////////////////////////////////////
 
-enum MutateResult {
-    kDoNothing_MutateResult,
-    kReplaceClippedAgainstGlobalBounds_MutateResult,
-    kContinue_MutateResult,
-};
-
-static MutateResult mutate_conservative_op(SkRegion::Op* op, bool inverseFilled) {
-    if (inverseFilled) {
-        switch (*op) {
-            case SkRegion::kIntersect_Op:
-            case SkRegion::kDifference_Op:
-                // These ops can only shrink the current clip. So leaving
-                // the clip unchanged conservatively respects the contract.
-                return kDoNothing_MutateResult;
-            case SkRegion::kUnion_Op:
-            case SkRegion::kReplace_Op:
-            case SkRegion::kReverseDifference_Op:
-            case SkRegion::kXOR_Op: {
-                // These ops can grow the current clip up to the extents of
-                // the input clip, which is inverse filled, so we just set
-                // the current clip to the device bounds.
-                *op = SkRegion::kReplace_Op;
-                return kReplaceClippedAgainstGlobalBounds_MutateResult;
-            }
-        }
-    } else {
-        // Not inverse filled
-        switch (*op) {
-            case SkRegion::kIntersect_Op:
-            case SkRegion::kUnion_Op:
-            case SkRegion::kReplace_Op:
-                return kContinue_MutateResult;
-            case SkRegion::kDifference_Op:
-                // Difference can only shrink the current clip.
-                // Leaving clip unchanged conservatively fullfills the contract.
-                return kDoNothing_MutateResult;
-            case SkRegion::kReverseDifference_Op:
-                // To reverse, we swap in the bounds with a replace op.
-                // As with difference, leave it unchanged.
-                *op = SkRegion::kReplace_Op;
-                return kContinue_MutateResult;
-            case SkRegion::kXOR_Op:
-                // Be conservative, based on (A XOR B) always included in (A union B),
-                // which is always included in (bounds(A) union bounds(B))
-                *op = SkRegion::kUnion_Op;
-                return kContinue_MutateResult;
-        }
-    }
-    SkFAIL("should not get here");
-    return kDoNothing_MutateResult;
-}
-
 bool SkRasterClip::setPath(const SkPath& path, const SkRegion& clip, bool doAA) {
     AUTO_RASTERCLIP_VALIDATE(*this);
 
-    if (fForceConservativeRects) {
-        return this->setConservativeRect(path.getBounds(), clip.getBounds(), path.isInverseFillType());
-    }
-
     if (this->isBW() && !doAA) {
         (void)fBW.setPath(path, clip);
     } else {
@@ -190,9 +244,6 @@
                       SkRegion::Op op, bool doAA) {
     SkIRect bounds(devBounds);
     this->applyClipRestriction(op, &bounds);
-    if (fForceConservativeRects) {
-        return this->op(rrect.getBounds(), matrix, bounds, op, doAA);
-    }
 
     SkPath path;
     path.addRRect(rrect);
@@ -206,24 +257,6 @@
     SkIRect bounds(devBounds);
     this->applyClipRestriction(op, &bounds);
 
-    if (fForceConservativeRects) {
-        SkIRect ir;
-        switch (mutate_conservative_op(&op, path.isInverseFillType())) {
-            case kDoNothing_MutateResult:
-                return !this->isEmpty();
-            case kReplaceClippedAgainstGlobalBounds_MutateResult:
-                ir = bounds;
-                break;
-            case kContinue_MutateResult: {
-                SkRect bounds = path.getBounds();
-                matrix.mapRect(&bounds);
-                ir = bounds.roundOut();
-                break;
-            }
-        }
-        return this->op(ir, op);
-    }
-
     // base is used to limit the size (and therefore memory allocation) of the
     // region that results from scan converting devPath.
     SkRegion base;
@@ -246,7 +279,7 @@
             return this->setPath(devPath, this->bwRgn(), doAA);
         } else {
             base.setRect(this->getBounds());
-            SkRasterClip clip(fForceConservativeRects);
+            SkRasterClip clip;
             clip.setPath(devPath, base, doAA);
             return this->op(clip, op);
         }
@@ -256,7 +289,7 @@
         if (SkRegion::kReplace_Op == op) {
             return this->setPath(devPath, base, doAA);
         } else {
-            SkRasterClip clip(fForceConservativeRects);
+            SkRasterClip clip;
             clip.setPath(devPath, base, doAA);
             return this->op(clip, op);
         }
@@ -331,23 +364,6 @@
     AUTO_RASTERCLIP_VALIDATE(*this);
     SkRect devRect;
 
-    if (fForceConservativeRects) {
-        SkIRect bounds(devBounds);
-        this->applyClipRestriction(op, &bounds);
-        SkIRect ir;
-        switch (mutate_conservative_op(&op, false)) {
-            case kDoNothing_MutateResult:
-                return !this->isEmpty();
-            case kReplaceClippedAgainstGlobalBounds_MutateResult:
-                ir = bounds;
-                break;
-            case kContinue_MutateResult:
-                matrix.mapRect(&devRect, localRect);
-                ir = devRect.roundOut();
-                break;
-        }
-        return this->op(ir, op);
-    }
     const bool isScaleTrans = matrix.isScaleTranslate();
     if (!isScaleTrans) {
         SkPath path;
@@ -427,8 +443,6 @@
 void SkRasterClip::convertToAA() {
     AUTO_RASTERCLIP_VALIDATE(*this);
 
-    SkASSERT(!fForceConservativeRects);
-
     SkASSERT(fIsBW);
     fAA.setRegion(fBW);
     fIsBW = false;
diff --git a/src/core/SkRasterClip.h b/src/core/SkRasterClip.h
index 0dc84e4..1e50e04 100644
--- a/src/core/SkRasterClip.h
+++ b/src/core/SkRasterClip.h
@@ -13,6 +13,39 @@
 
 class SkRRect;
 
+class SkConservativeClip {
+    SkIRect         fBounds;
+    const SkIRect*  fClipRestrictionRect;
+
+    inline void applyClipRestriction(SkRegion::Op op, SkIRect* bounds) {
+        if (op >= SkRegion::kUnion_Op && fClipRestrictionRect
+            && !fClipRestrictionRect->isEmpty()) {
+            if (!bounds->intersect(*fClipRestrictionRect)) {
+                bounds->setEmpty();
+            }
+        }
+    }
+
+public:
+    SkConservativeClip() : fBounds(SkIRect::MakeEmpty()), fClipRestrictionRect(nullptr) {}
+
+    bool isEmpty() const { return fBounds.isEmpty(); }
+    bool isRect() const { return true; }
+    const SkIRect& getBounds() const { return fBounds; }
+
+    void setEmpty() { fBounds.setEmpty(); }
+    void setRect(const SkIRect& r) { fBounds = r; }
+    void setDeviceClipRestriction(const SkIRect* rect) {
+        fClipRestrictionRect = rect;
+    }
+
+    void op(const SkRect&, const SkMatrix&, const SkIRect& limit, SkRegion::Op, bool isAA);
+    void op(const SkRRect&, const SkMatrix&, const SkIRect& limit, SkRegion::Op, bool isAA);
+    void op(const SkPath&, const SkMatrix&, const SkIRect& limit, SkRegion::Op, bool isAA);
+    void op(const SkRegion&, SkRegion::Op);
+    void op(const SkIRect&, SkRegion::Op);
+};
+
 /**
  *  Wraps a SkRegion and SkAAClip, so we have a single object that can represent either our
  *  BW or antialiased clips.
@@ -24,8 +57,8 @@
  */
 class SkRasterClip {
 public:
-    SkRasterClip(bool forceConservativeRects = false);
-    SkRasterClip(const SkIRect&, bool forceConservativeRects = false);
+    SkRasterClip();
+    SkRasterClip(const SkIRect&);
     SkRasterClip(const SkRegion&);
     SkRasterClip(const SkRasterClip&);
     ~SkRasterClip();
@@ -37,8 +70,6 @@
         return !(*this == other);
     }
 
-    bool isForceConservativeRects() const { return fForceConservativeRects; }
-
     bool isBW() const { return fIsBW; }
     bool isAA() const { return !fIsBW; }
     const SkRegion& bwRgn() const { SkASSERT(fIsBW); return fBW; }
@@ -101,7 +132,6 @@
 private:
     SkRegion    fBW;
     SkAAClip    fAA;
-    bool        fForceConservativeRects;
     bool        fIsBW;
     // these 2 are caches based on querying the right obj based on fIsBW
     bool        fIsEmpty;
diff --git a/src/core/SkRasterClipStack.h b/src/core/SkRasterClipStack.h
index d553f24..f3e3b17 100644
--- a/src/core/SkRasterClipStack.h
+++ b/src/core/SkRasterClipStack.h
@@ -73,8 +73,12 @@
     }
 
     void setNewSize(int w, int h) {
-        SkASSERT(fStack.count() == 1);
         fRootBounds.setXYWH(0, 0, w, h);
+
+        SkASSERT(fStack.count() == 1);
+        Rec& rec = fStack.top();
+        SkASSERT(rec.fDeferredCount == 0);
+        rec.fRC.setRect(fRootBounds);
     }
 
     const SkRasterClip& rc() const { return fStack.top().fRC; }
diff --git a/src/gpu/GrRenderTargetOpList.cpp b/src/gpu/GrRenderTargetOpList.cpp
index 6edab11..db0cad5 100644
--- a/src/gpu/GrRenderTargetOpList.cpp
+++ b/src/gpu/GrRenderTargetOpList.cpp
@@ -537,10 +537,10 @@
             if (j == i +1) {
                 // We assume op would have combined with candidate when the candidate was added
                 // via backwards combining in recordOp.
-#ifndef SK_USE_DEVICE_CLIPPING
+
                 // not sure why this fires with device-clipping in gm/complexclip4.cpp
-                SkASSERT(!op->combineIfPossible(candidate.fOp.get(), *this->caps()));
-#endif
+//                SkASSERT(!op->combineIfPossible(candidate.fOp.get(), *this->caps()));
+
             } else if (op->combineIfPossible(candidate.fOp.get(), *this->caps())) {
                 GrOP_INFO("\t\tCombining with (%s, B%u)\n", candidate.fOp->name(),
                           candidate.fOp->uniqueID());
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 0b5f14c..bcc2930 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -58,13 +58,13 @@
 
 #if 0
     extern bool (*gShouldDrawProc)();
-    #define CHECK_SHOULD_DRAW(draw)                             \
+    #define CHECK_SHOULD_DRAW()                                 \
         do {                                                    \
             if (gShouldDrawProc && !gShouldDrawProc()) return;  \
-            this->prepareDraw(draw);                            \
+            this->prepareDraw();                                \
         } while (0)
 #else
-    #define CHECK_SHOULD_DRAW(draw) this->prepareDraw(draw)
+    #define CHECK_SHOULD_DRAW() this->prepareDraw()
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -174,17 +174,16 @@
                                     origin, surfaceProps, budgeted);
 }
 
-sk_sp<SkSpecialImage> SkGpuDevice::filterTexture(const SkDraw& draw,
-                                                 SkSpecialImage* srcImg,
+sk_sp<SkSpecialImage> SkGpuDevice::filterTexture(SkSpecialImage* srcImg,
                                                  int left, int top,
                                                  SkIPoint* offset,
                                                  const SkImageFilter* filter) {
     SkASSERT(srcImg->isTextureBacked());
     SkASSERT(filter);
 
-    SkMatrix matrix = *draw.fMatrix;
+    SkMatrix matrix = this->ctm();
     matrix.postTranslate(SkIntToScalar(-left), SkIntToScalar(-top));
-    const SkIRect clipBounds = this->devClipBounds(draw).makeOffset(-left, -top);
+    const SkIRect clipBounds = this->devClipBounds().makeOffset(-left, -top);
     sk_sp<SkImageFilterCache> cache(this->getImageFilterCache());
     SkImageFilter::OutputProperties outputProperties(fRenderTargetContext->getColorSpace());
     SkImageFilter::Context ctx(matrix, clipBounds, cache.get(), outputProperties);
@@ -233,15 +232,10 @@
 
 // call this every draw call, to ensure that the context reflects our state,
 // and not the state from some other canvas/device
-void SkGpuDevice::prepareDraw(const SkDraw& draw) {
+void SkGpuDevice::prepareDraw() {
     ASSERT_SINGLE_OWNER
 
-#ifdef SK_USE_DEVICE_CLIPPING
-    SkASSERT(*draw.fMatrix == this->ctm());
     fClip.reset(&this->cs(), nullptr);
-#else
-    fClip.reset(draw.fClipStack, &this->getOrigin());
-#endif
 }
 
 GrRenderTargetContext* SkGpuDevice::accessRenderTargetContext() {
@@ -285,18 +279,18 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void SkGpuDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) {
+void SkGpuDevice::drawPaint(const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawPaint", fContext.get());
 
     GrPaint grPaint;
-    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, *draw.fMatrix,
+    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, this->ctm(),
                           &grPaint)) {
         return;
     }
 
-    fRenderTargetContext->drawPaint(fClip, std::move(grPaint), *draw.fMatrix);
+    fRenderTargetContext->drawPaint(fClip, std::move(grPaint), this->ctm());
 }
 
 // must be in SkCanvas::PointMode order
@@ -333,11 +327,11 @@
     return true;
 }
 
-void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
+void SkGpuDevice::drawPoints(SkCanvas::PointMode mode,
                              size_t count, const SkPoint pts[], const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawPoints", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     SkScalar width = paint.getStrokeWidth();
     if (width < 0) {
@@ -347,7 +341,7 @@
     if (paint.getPathEffect() && 2 == count && SkCanvas::kLines_PointMode == mode) {
         GrStyle style(paint, SkPaint::kStroke_Style);
         GrPaint grPaint;
-        if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, *draw.fMatrix,
+        if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, this->ctm(),
                               &grPaint)) {
             return;
         }
@@ -356,25 +350,31 @@
         path.moveTo(pts[0]);
         path.lineTo(pts[1]);
         fRenderTargetContext->drawPath(fClip, std::move(grPaint), GrBoolToAA(paint.isAntiAlias()),
-                                       *draw.fMatrix, path, style);
+                                       this->ctm(), path, style);
         return;
     }
 
     SkScalar scales[2];
-    bool isHairline = (0 == width) || (1 == width && draw.fMatrix->getMinMaxScales(scales) &&
+    bool isHairline = (0 == width) || (1 == width && this->ctm().getMinMaxScales(scales) &&
                                        SkScalarNearlyEqual(scales[0], 1.f) &&
                                        SkScalarNearlyEqual(scales[1], 1.f));
     // we only handle non-antialiased hairlines and paints without path effects or mask filters,
     // else we let the SkDraw call our drawPath()
     if (!isHairline || paint.getPathEffect() || paint.getMaskFilter() ||
-        (paint.isAntiAlias() && needs_antialiasing(mode, count, pts, *draw.fMatrix))) {
+        (paint.isAntiAlias() && needs_antialiasing(mode, count, pts, this->ctm())))
+    {
+        SkRasterClip rc(this->devClipBounds());
+        SkDraw draw;
+        draw.fDst = SkPixmap(SkImageInfo::MakeUnknown(this->width(), this->height()), nullptr, 0);
+        draw.fMatrix = &this->ctm();
+        draw.fRC = &rc;
         draw.drawPoints(mode, count, pts, paint, this);
         return;
     }
 
     GrPrimitiveType primitiveType = gPointMode2PrimitiveType[mode];
 
-    const SkMatrix* viewMatrix = draw.fMatrix;
+    const SkMatrix* viewMatrix = &this->ctm();
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
     // This offsetting in device space matches the expectations of the Android framework for non-AA
     // points and lines.
@@ -407,10 +407,10 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect, const SkPaint& paint) {
+void SkGpuDevice::drawRect(const SkRect& rect, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawRect", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
 
     // A couple reasons we might need to call drawPath.
@@ -420,37 +420,37 @@
         path.addRect(rect);
         GrBlurUtils::drawPathWithMaskFilter(fContext.get(), fRenderTargetContext.get(),
                                             fClip, path, paint,
-                                            *draw.fMatrix, nullptr,
-                                            this->devClipBounds(draw), true);
+                                            this->ctm(), nullptr,
+                                            this->devClipBounds(), true);
         return;
     }
 
     GrPaint grPaint;
-    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, *draw.fMatrix,
+    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, this->ctm(),
                           &grPaint)) {
         return;
     }
 
     GrStyle style(paint);
     fRenderTargetContext->drawRect(fClip, std::move(grPaint), GrBoolToAA(paint.isAntiAlias()),
-                                   *draw.fMatrix, rect, &style);
+                                   this->ctm(), rect, &style);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void SkGpuDevice::drawRRect(const SkDraw& draw, const SkRRect& rrect, const SkPaint& paint) {
+void SkGpuDevice::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawRRect", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     GrPaint grPaint;
-    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, *draw.fMatrix,
+    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, this->ctm(),
                           &grPaint)) {
         return;
     }
 
     SkMaskFilter* mf = paint.getMaskFilter();
-    if (mf && mf->asFragmentProcessor(nullptr, nullptr, *draw.fMatrix)) {
+    if (mf && mf->asFragmentProcessor(nullptr, nullptr, this->ctm())) {
         mf = nullptr; // already handled in SkPaintToGrPaint
     }
 
@@ -459,19 +459,19 @@
         // try to hit the fast path for drawing filtered round rects
 
         SkRRect devRRect;
-        if (rrect.transform(*draw.fMatrix, &devRRect)) {
+        if (rrect.transform(this->ctm(), &devRRect)) {
             if (devRRect.allCornersCircular()) {
                 SkRect maskRect;
-                if (mf->canFilterMaskGPU(devRRect, this->devClipBounds(draw),
-                                         *draw.fMatrix, &maskRect)) {
+                if (mf->canFilterMaskGPU(devRRect, this->devClipBounds(),
+                                         this->ctm(), &maskRect)) {
                     SkIRect finalIRect;
                     maskRect.roundOut(&finalIRect);
-                    if (draw.fRC->quickReject(finalIRect)) {
-                        // clipped out
-                        return;
-                    }
+
+                    // we used to test finalIRect for quickReject, but that seems unlikely
+                    // given that the original shape was not rejected...
+
                     if (mf->directFilterRRectMaskGPU(fContext.get(), fRenderTargetContext.get(),
-                                                     std::move(grPaint), fClip, *draw.fMatrix,
+                                                     std::move(grPaint), fClip, this->ctm(),
                                                      style.strokeRec(), rrect, devRRect)) {
                         return;
                     }
@@ -490,43 +490,43 @@
         path.addRRect(rrect);
         GrBlurUtils::drawPathWithMaskFilter(fContext.get(), fRenderTargetContext.get(),
                                             fClip, path, paint,
-                                            *draw.fMatrix, nullptr,
-                                            this->devClipBounds(draw), true);
+                                            this->ctm(), nullptr,
+                                            this->devClipBounds(), true);
         return;
     }
 
     SkASSERT(!style.pathEffect());
 
     fRenderTargetContext->drawRRect(fClip, std::move(grPaint), GrBoolToAA(paint.isAntiAlias()),
-                                    *draw.fMatrix, rrect, style);
+                                    this->ctm(), rrect, style);
 }
 
 
-void SkGpuDevice::drawDRRect(const SkDraw& draw, const SkRRect& outer,
+void SkGpuDevice::drawDRRect(const SkRRect& outer,
                              const SkRRect& inner, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawDRRect", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     if (outer.isEmpty()) {
        return;
     }
 
     if (inner.isEmpty()) {
-        return this->drawRRect(draw, outer, paint);
+        return this->drawRRect(outer, paint);
     }
 
     SkStrokeRec stroke(paint);
 
     if (stroke.isFillStyle() && !paint.getMaskFilter() && !paint.getPathEffect()) {
         GrPaint grPaint;
-        if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, *draw.fMatrix,
+        if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, this->ctm(),
                               &grPaint)) {
             return;
         }
 
         fRenderTargetContext->drawDRRect(fClip, std::move(grPaint), GrBoolToAA(paint.isAntiAlias()),
-                                         *draw.fMatrix, outer, inner);
+                                         this->ctm(), outer, inner);
         return;
     }
 
@@ -538,78 +538,78 @@
 
     GrBlurUtils::drawPathWithMaskFilter(fContext.get(), fRenderTargetContext.get(),
                                         fClip, path, paint,
-                                        *draw.fMatrix, nullptr,
-                                        this->devClipBounds(draw), true);
+                                        this->ctm(), nullptr,
+                                        this->devClipBounds(), true);
 }
 
 
 /////////////////////////////////////////////////////////////////////////////
 
-void SkGpuDevice::drawRegion(const SkDraw& draw, const SkRegion& region, const SkPaint& paint) {
+void SkGpuDevice::drawRegion(const SkRegion& region, const SkPaint& paint) {
     if (paint.getMaskFilter()) {
         SkPath path;
         region.getBoundaryPath(&path);
-        return this->drawPath(draw, path, paint, nullptr, false);
+        return this->drawPath(path, paint, nullptr, false);
     }
 
     GrPaint grPaint;
-    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, *draw.fMatrix,
+    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, this->ctm(),
                           &grPaint)) {
         return;
     }
 
     fRenderTargetContext->drawRegion(fClip, std::move(grPaint), GrBoolToAA(paint.isAntiAlias()),
-                                     *draw.fMatrix, region, GrStyle(paint));
+                                     this->ctm(), region, GrStyle(paint));
 }
 
-void SkGpuDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint& paint) {
+void SkGpuDevice::drawOval(const SkRect& oval, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawOval", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     // Presumably the path effect warps this to something other than an oval
     if (paint.getPathEffect()) {
         SkPath path;
         path.setIsVolatile(true);
         path.addOval(oval);
-        this->drawPath(draw, path, paint, nullptr, true);
+        this->drawPath(path, paint, nullptr, true);
         return;
     }
 
     if (paint.getMaskFilter()) {
         // The RRect path can handle special case blurring
         SkRRect rr = SkRRect::MakeOval(oval);
-        return this->drawRRect(draw, rr, paint);
+        return this->drawRRect(rr, paint);
     }
 
     GrPaint grPaint;
-    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, *draw.fMatrix,
+    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, this->ctm(),
                           &grPaint)) {
         return;
     }
 
     fRenderTargetContext->drawOval(fClip, std::move(grPaint), GrBoolToAA(paint.isAntiAlias()),
-                                   *draw.fMatrix, oval, GrStyle(paint));
+                                   this->ctm(), oval, GrStyle(paint));
 }
 
-void SkGpuDevice::drawArc(const SkDraw& draw, const SkRect& oval, SkScalar startAngle,
+void SkGpuDevice::drawArc(const SkRect& oval, SkScalar startAngle,
                           SkScalar sweepAngle, bool useCenter, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawArc", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     if (paint.getMaskFilter()) {
-        this->INHERITED::drawArc(draw, oval, startAngle, sweepAngle, useCenter, paint);
+        this->INHERITED::drawArc(oval, startAngle, sweepAngle, useCenter, paint);
         return;
     }
     GrPaint grPaint;
-    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, *draw.fMatrix,
+    if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), paint, this->ctm(),
                           &grPaint)) {
         return;
     }
 
     fRenderTargetContext->drawArc(fClip, std::move(grPaint), GrBoolToAA(paint.isAntiAlias()),
-                                  *draw.fMatrix, oval, startAngle, sweepAngle, useCenter,
+                                  this->ctm(), oval, startAngle, sweepAngle, useCenter,
                                   GrStyle(paint));
 }
 
@@ -617,11 +617,10 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 void SkGpuDevice::drawStrokedLine(const SkPoint points[2],
-                                  const SkDraw& draw,
                                   const SkPaint& origPaint) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawStrokedLine", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     // Adding support for round capping would require a
     // GrRenderTargetContext::fillRRectWithLocalMatrix entry point
@@ -659,7 +658,7 @@
 
     SkMatrix local = m;
 
-    m.postConcat(*draw.fMatrix);
+    m.postConcat(this->ctm());
 
     GrPaint grPaint;
     if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), newPaint, m, &grPaint)) {
@@ -670,7 +669,7 @@
             fClip, std::move(grPaint), GrBoolToAA(newPaint.isAntiAlias()), m, rect, local);
 }
 
-void SkGpuDevice::drawPath(const SkDraw& draw, const SkPath& origSrcPath,
+void SkGpuDevice::drawPath(const SkPath& origSrcPath,
                            const SkPaint& paint, const SkMatrix* prePathMatrix,
                            bool pathIsMutable) {
     ASSERT_SINGLE_OWNER
@@ -678,40 +677,40 @@
         SkPoint points[2];
         if (SkPaint::kStroke_Style == paint.getStyle() && paint.getStrokeWidth() > 0 &&
             !paint.getMaskFilter() && SkPaint::kRound_Cap != paint.getStrokeCap() &&
-            draw.fMatrix->preservesRightAngles() && origSrcPath.isLine(points)) {
+            this->ctm().preservesRightAngles() && origSrcPath.isLine(points)) {
             // Path-based stroking looks better for thin rects
-            SkScalar strokeWidth = draw.fMatrix->getMaxScale() * paint.getStrokeWidth();
+            SkScalar strokeWidth = this->ctm().getMaxScale() * paint.getStrokeWidth();
             if (strokeWidth >= 1.0f) {
                 // Round capping support is currently disabled b.c. it would require a RRect
                 // GrDrawOp that takes a localMatrix.
-                this->drawStrokedLine(points, draw, paint);
+                this->drawStrokedLine(points, paint);
                 return;
             }
         }
         bool isClosed;
         SkRect rect;
         if (origSrcPath.isRect(&rect, &isClosed) && isClosed) {
-            this->drawRect(draw, rect, paint);
+            this->drawRect(rect, paint);
             return;
         }
         if (origSrcPath.isOval(&rect)) {
-            this->drawOval(draw, rect, paint);
+            this->drawOval(rect, paint);
             return;
         }
         SkRRect rrect;
         if (origSrcPath.isRRect(&rrect)) {
-            this->drawRRect(draw, rrect, paint);
+            this->drawRRect(rrect, paint);
             return;
         }
     }
 
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawPath", fContext.get());
 
     GrBlurUtils::drawPathWithMaskFilter(fContext.get(), fRenderTargetContext.get(),
                                         fClip, origSrcPath, paint,
-                                        *draw.fMatrix, prePathMatrix,
-                                        this->devClipBounds(draw), pathIsMutable);
+                                        this->ctm(), prePathMatrix,
+                                        this->devClipBounds(), pathIsMutable);
 }
 
 static const int kBmpSmallTileSize = 1 << 10;
@@ -857,14 +856,13 @@
                                    &outClippedSrcRect);
 }
 
-void SkGpuDevice::drawBitmap(const SkDraw& origDraw,
-                             const SkBitmap& bitmap,
+void SkGpuDevice::drawBitmap(const SkBitmap& bitmap,
                              const SkMatrix& m,
                              const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
-    CHECK_SHOULD_DRAW(origDraw);
+    CHECK_SHOULD_DRAW();
     SkMatrix viewMatrix;
-    viewMatrix.setConcat(*origDraw.fMatrix, m);
+    viewMatrix.setConcat(this->ctm(), m);
 
     int maxTileSize = fContext->caps()->maxTileSize();
 
@@ -1121,10 +1119,10 @@
     fRenderTargetContext->drawRect(fClip, std::move(grPaint), aa, viewMatrix, dstRect);
 }
 
-void SkGpuDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap,
+void SkGpuDevice::drawSprite(const SkBitmap& bitmap,
                              int left, int top, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawSprite", fContext.get());
 
     if (fContext->abandoned()) {
@@ -1136,23 +1134,22 @@
         return;
     }
 
-    this->drawSpecial(draw, srcImg.get(), left, top, paint);
+    this->drawSpecial(srcImg.get(), left, top, paint);
 }
 
 
-void SkGpuDevice::drawSpecial(const SkDraw& draw,
-                              SkSpecialImage* special1,
+void SkGpuDevice::drawSpecial(SkSpecialImage* special1,
                               int left, int top,
                               const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawSpecial", fContext.get());
 
     SkIPoint offset = { 0, 0 };
 
     sk_sp<SkSpecialImage> result;
     if (paint.getImageFilter()) {
-        result = this->filterTexture(draw, special1, left, top,
+        result = this->filterTexture(special1, left, top,
                                       &offset,
                                       paint.getImageFilter());
         if (!result) {
@@ -1204,11 +1201,11 @@
             SkRect::Make(subset));
 }
 
-void SkGpuDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
+void SkGpuDevice::drawBitmapRect(const SkBitmap& bitmap,
                                  const SkRect* src, const SkRect& origDst,
                                  const SkPaint& paint, SkCanvas::SrcRectConstraint constraint) {
     ASSERT_SINGLE_OWNER
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     // The src rect is inferred to be the bmp bounds if not provided. Otherwise, the src rect must
     // be clipped to the bmp bounds. To determine tiling parameters we need the filter mode which
@@ -1256,7 +1253,7 @@
         GrSamplerParams params;
         bool doBicubic;
         GrSamplerParams::FilterMode textureFilterMode =
-            GrSkFilterQualityToGrFilterMode(paint.getFilterQuality(), *draw.fMatrix, srcToDstMatrix,
+            GrSkFilterQualityToGrFilterMode(paint.getFilterQuality(), this->ctm(), srcToDstMatrix,
                                             &doBicubic);
 
         int tileFilterPad;
@@ -1271,16 +1268,16 @@
         params.setFilterMode(textureFilterMode);
 
         int maxTileSizeForFilter = fContext->caps()->maxTileSize() - 2 * tileFilterPad;
-        if (this->shouldTileImageID(bitmap.getGenerationID(), bitmap.getSubset(), *draw.fMatrix,
+        if (this->shouldTileImageID(bitmap.getGenerationID(), bitmap.getSubset(), this->ctm(),
                                     srcToDstMatrix, params, src, maxTileSizeForFilter, &tileSize,
                                     &clippedSrcRect)) {
-            this->drawTiledBitmap(bitmap, *draw.fMatrix, srcToDstMatrix, *src, clippedSrcRect,
+            this->drawTiledBitmap(bitmap, this->ctm(), srcToDstMatrix, *src, clippedSrcRect,
                                   params, paint, constraint, tileSize, doBicubic);
             return;
         }
     }
     GrBitmapTextureMaker maker(fContext.get(), bitmap);
-    this->drawTextureProducer(&maker, src, dst, constraint, *draw.fMatrix, fClip, paint);
+    this->drawTextureProducer(&maker, src, dst, constraint, this->ctm(), fClip, paint);
 }
 
 sk_sp<SkSpecialImage> SkGpuDevice::makeSpecial(const SkBitmap& bitmap) {
@@ -1349,7 +1346,7 @@
                                                &this->surfaceProps());
 }
 
-void SkGpuDevice::drawDevice(const SkDraw& draw, SkBaseDevice* device,
+void SkGpuDevice::drawDevice(SkBaseDevice* device,
                              int left, int top, const SkPaint& paint) {
     SkASSERT(!paint.getImageFilter());
 
@@ -1358,7 +1355,7 @@
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawDevice", fContext.get());
 
     // drawDevice is defined to be in device coords.
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     SkGpuDevice* dev = static_cast<SkGpuDevice*>(device);
     sk_sp<SkSpecialImage> srcImg(dev->snapSpecial());
@@ -1366,17 +1363,17 @@
         return;
     }
 
-    this->drawSpecial(draw, srcImg.get(), left, top, paint);
+    this->drawSpecial(srcImg.get(), left, top, paint);
 }
 
-void SkGpuDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x, SkScalar y,
+void SkGpuDevice::drawImage(const SkImage* image, SkScalar x, SkScalar y,
                             const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
-    SkMatrix viewMatrix = *draw.fMatrix;
+    SkMatrix viewMatrix = this->ctm();
     viewMatrix.preTranslate(x, y);
     uint32_t pinnedUniqueID;
     if (sk_sp<GrTexture> tex = as_IB(image)->refPinnedTexture(&pinnedUniqueID)) {
-        CHECK_SHOULD_DRAW(draw);
+        CHECK_SHOULD_DRAW();
         GrTextureAdjuster adjuster(tex.get(), image->alphaType(), image->bounds(), pinnedUniqueID,
                                    as_IB(image)->onImageInfo().colorSpace());
         this->drawTextureProducer(&adjuster, nullptr, nullptr, SkCanvas::kFast_SrcRectConstraint,
@@ -1385,66 +1382,66 @@
     } else {
         SkBitmap bm;
         if (this->shouldTileImage(image, nullptr, SkCanvas::kFast_SrcRectConstraint,
-                                  paint.getFilterQuality(), *draw.fMatrix, SkMatrix::I())) {
+                                  paint.getFilterQuality(), this->ctm(), SkMatrix::I())) {
             // only support tiling as bitmap at the moment, so force raster-version
             if (!as_IB(image)->getROPixels(&bm, fRenderTargetContext->getColorSpace())) {
                 return;
             }
-            this->drawBitmap(draw, bm, SkMatrix::MakeTrans(x, y), paint);
+            this->drawBitmap(bm, SkMatrix::MakeTrans(x, y), paint);
         } else if (SkImageCacherator* cacher = as_IB(image)->peekCacherator()) {
-            CHECK_SHOULD_DRAW(draw);
+            CHECK_SHOULD_DRAW();
             GrImageTextureMaker maker(fContext.get(), cacher, image, SkImage::kAllow_CachingHint);
             this->drawTextureProducer(&maker, nullptr, nullptr, SkCanvas::kFast_SrcRectConstraint,
                                       viewMatrix, fClip, paint);
         } else if (as_IB(image)->getROPixels(&bm, fRenderTargetContext->getColorSpace())) {
-            this->drawBitmap(draw, bm, SkMatrix::MakeTrans(x, y), paint);
+            this->drawBitmap(bm, SkMatrix::MakeTrans(x, y), paint);
         }
     }
 }
 
-void SkGpuDevice::drawImageRect(const SkDraw& draw, const SkImage* image, const SkRect* src,
+void SkGpuDevice::drawImageRect(const SkImage* image, const SkRect* src,
                                 const SkRect& dst, const SkPaint& paint,
                                 SkCanvas::SrcRectConstraint constraint) {
     ASSERT_SINGLE_OWNER
     uint32_t pinnedUniqueID;
     if (sk_sp<GrTexture> tex = as_IB(image)->refPinnedTexture(&pinnedUniqueID)) {
-        CHECK_SHOULD_DRAW(draw);
+        CHECK_SHOULD_DRAW();
         GrTextureAdjuster adjuster(tex.get(), image->alphaType(), image->bounds(), pinnedUniqueID,
                                    as_IB(image)->onImageInfo().colorSpace());
-        this->drawTextureProducer(&adjuster, src, &dst, constraint, *draw.fMatrix, fClip, paint);
+        this->drawTextureProducer(&adjuster, src, &dst, constraint, this->ctm(), fClip, paint);
         return;
     }
     SkBitmap bm;
     SkMatrix srcToDstRect;
     srcToDstRect.setRectToRect((src ? *src : SkRect::MakeIWH(image->width(), image->height())),
                                dst, SkMatrix::kFill_ScaleToFit);
-    if (this->shouldTileImage(image, src, constraint, paint.getFilterQuality(), *draw.fMatrix,
+    if (this->shouldTileImage(image, src, constraint, paint.getFilterQuality(), this->ctm(),
                               srcToDstRect)) {
         // only support tiling as bitmap at the moment, so force raster-version
         if (!as_IB(image)->getROPixels(&bm, fRenderTargetContext->getColorSpace())) {
             return;
         }
-        this->drawBitmapRect(draw, bm, src, dst, paint, constraint);
+        this->drawBitmapRect(bm, src, dst, paint, constraint);
     } else if (SkImageCacherator* cacher = as_IB(image)->peekCacherator()) {
-        CHECK_SHOULD_DRAW(draw);
+        CHECK_SHOULD_DRAW();
         GrImageTextureMaker maker(fContext.get(), cacher, image, SkImage::kAllow_CachingHint);
-        this->drawTextureProducer(&maker, src, &dst, constraint, *draw.fMatrix, fClip, paint);
+        this->drawTextureProducer(&maker, src, &dst, constraint, this->ctm(), fClip, paint);
     } else if (as_IB(image)->getROPixels(&bm, fRenderTargetContext->getColorSpace())) {
-        this->drawBitmapRect(draw, bm, src, dst, paint, constraint);
+        this->drawBitmapRect(bm, src, dst, paint, constraint);
     }
 }
 
-void SkGpuDevice::drawProducerNine(const SkDraw& draw, GrTextureProducer* producer,
+void SkGpuDevice::drawProducerNine(GrTextureProducer* producer,
                                    const SkIRect& center, const SkRect& dst, const SkPaint& paint) {
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawProducerNine", fContext.get());
 
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     bool useFallback = paint.getMaskFilter() || paint.isAntiAlias() ||
                        fRenderTargetContext->isUnifiedMultisampled();
     bool doBicubic;
     GrSamplerParams::FilterMode textureFilterMode =
-        GrSkFilterQualityToGrFilterMode(paint.getFilterQuality(), *draw.fMatrix, SkMatrix::I(),
+        GrSkFilterQualityToGrFilterMode(paint.getFilterQuality(), this->ctm(), SkMatrix::I(),
                                         &doBicubic);
     if (useFallback || doBicubic || GrSamplerParams::kNone_FilterMode != textureFilterMode) {
         SkLatticeIter iter(producer->width(), producer->height(), center, dst);
@@ -1452,7 +1449,7 @@
         SkRect srcR, dstR;
         while (iter.next(&srcR, &dstR)) {
             this->drawTextureProducer(producer, &srcR, &dstR, SkCanvas::kStrict_SrcRectConstraint,
-                                      *draw.fMatrix, fClip, paint);
+                                      this->ctm(), fClip, paint);
         }
         return;
     }
@@ -1465,51 +1462,51 @@
                                           &kMode, fRenderTargetContext->getColorSpace()));
     GrPaint grPaint;
     if (!SkPaintToGrPaintWithTexture(this->context(), fRenderTargetContext.get(), paint,
-                                     *draw.fMatrix, std::move(fp), producer->isAlphaOnly(),
+                                     this->ctm(), std::move(fp), producer->isAlphaOnly(),
                                      &grPaint)) {
         return;
     }
 
     std::unique_ptr<SkLatticeIter> iter(
             new SkLatticeIter(producer->width(), producer->height(), center, dst));
-    fRenderTargetContext->drawImageLattice(fClip, std::move(grPaint), *draw.fMatrix,
+    fRenderTargetContext->drawImageLattice(fClip, std::move(grPaint), this->ctm(),
                                            producer->width(), producer->height(), std::move(iter),
                                            dst);
 }
 
-void SkGpuDevice::drawImageNine(const SkDraw& draw, const SkImage* image,
+void SkGpuDevice::drawImageNine(const SkImage* image,
                                 const SkIRect& center, const SkRect& dst, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     uint32_t pinnedUniqueID;
     if (sk_sp<GrTexture> tex = as_IB(image)->refPinnedTexture(&pinnedUniqueID)) {
-        CHECK_SHOULD_DRAW(draw);
+        CHECK_SHOULD_DRAW();
         GrTextureAdjuster adjuster(tex.get(), image->alphaType(), image->bounds(), pinnedUniqueID,
                                    as_IB(image)->onImageInfo().colorSpace());
-        this->drawProducerNine(draw, &adjuster, center, dst, paint);
+        this->drawProducerNine(&adjuster, center, dst, paint);
     } else {
         SkBitmap bm;
         if (SkImageCacherator* cacher = as_IB(image)->peekCacherator()) {
             GrImageTextureMaker maker(fContext.get(), cacher, image, SkImage::kAllow_CachingHint);
-            this->drawProducerNine(draw, &maker, center, dst, paint);
+            this->drawProducerNine(&maker, center, dst, paint);
         } else if (as_IB(image)->getROPixels(&bm, fRenderTargetContext->getColorSpace())) {
-            this->drawBitmapNine(draw, bm, center, dst, paint);
+            this->drawBitmapNine(bm, center, dst, paint);
         }
     }
 }
 
-void SkGpuDevice::drawBitmapNine(const SkDraw& draw, const SkBitmap& bitmap, const SkIRect& center,
+void SkGpuDevice::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
                                  const SkRect& dst, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GrBitmapTextureMaker maker(fContext.get(), bitmap);
-    this->drawProducerNine(draw, &maker, center, dst, paint);
+    this->drawProducerNine(&maker, center, dst, paint);
 }
 
-void SkGpuDevice::drawProducerLattice(const SkDraw& draw, GrTextureProducer* producer,
+void SkGpuDevice::drawProducerLattice(GrTextureProducer* producer,
                                       const SkCanvas::Lattice& lattice, const SkRect& dst,
                                       const SkPaint& paint) {
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawProducerLattice", fContext.get());
 
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     static const GrSamplerParams::FilterMode kMode = GrSamplerParams::kNone_FilterMode;
     sk_sp<GrFragmentProcessor> fp(
@@ -1519,45 +1516,45 @@
                                           &kMode, fRenderTargetContext->getColorSpace()));
     GrPaint grPaint;
     if (!SkPaintToGrPaintWithTexture(this->context(), fRenderTargetContext.get(), paint,
-                                     *draw.fMatrix, std::move(fp), producer->isAlphaOnly(),
+                                     this->ctm(), std::move(fp), producer->isAlphaOnly(),
                                      &grPaint)) {
         return;
     }
 
     std::unique_ptr<SkLatticeIter> iter(
             new SkLatticeIter(lattice, dst));
-    fRenderTargetContext->drawImageLattice(fClip, std::move(grPaint), *draw.fMatrix,
+    fRenderTargetContext->drawImageLattice(fClip, std::move(grPaint), this->ctm(),
                                            producer->width(), producer->height(), std::move(iter),
                                            dst);
 }
 
-void SkGpuDevice::drawImageLattice(const SkDraw& draw, const SkImage* image,
+void SkGpuDevice::drawImageLattice(const SkImage* image,
                                    const SkCanvas::Lattice& lattice, const SkRect& dst,
                                    const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     uint32_t pinnedUniqueID;
     if (sk_sp<GrTexture> tex = as_IB(image)->refPinnedTexture(&pinnedUniqueID)) {
-        CHECK_SHOULD_DRAW(draw);
+        CHECK_SHOULD_DRAW();
         GrTextureAdjuster adjuster(tex.get(), image->alphaType(), image->bounds(), pinnedUniqueID,
                                    as_IB(image)->onImageInfo().colorSpace());
-        this->drawProducerLattice(draw, &adjuster, lattice, dst, paint);
+        this->drawProducerLattice(&adjuster, lattice, dst, paint);
     } else {
         SkBitmap bm;
         if (SkImageCacherator* cacher = as_IB(image)->peekCacherator()) {
             GrImageTextureMaker maker(fContext.get(), cacher, image, SkImage::kAllow_CachingHint);
-            this->drawProducerLattice(draw, &maker, lattice, dst, paint);
+            this->drawProducerLattice(&maker, lattice, dst, paint);
         } else if (as_IB(image)->getROPixels(&bm, fRenderTargetContext->getColorSpace())) {
-            this->drawBitmapLattice(draw, bm, lattice, dst, paint);
+            this->drawBitmapLattice(bm, lattice, dst, paint);
         }
     }
 }
 
-void SkGpuDevice::drawBitmapLattice(const SkDraw& draw, const SkBitmap& bitmap,
+void SkGpuDevice::drawBitmapLattice(const SkBitmap& bitmap,
                                     const SkCanvas::Lattice& lattice, const SkRect& dst,
                                     const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GrBitmapTextureMaker maker(fContext.get(), bitmap);
-    this->drawProducerLattice(draw, &maker, lattice, dst, paint);
+    this->drawProducerLattice(&maker, lattice, dst, paint);
 }
 
 bool init_vertices_paint(const SkPaint& skPaint, const SkMatrix& matrix, SkBlendMode bmode,
@@ -1585,14 +1582,14 @@
     }
 }
 
-void SkGpuDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode,
+void SkGpuDevice::drawVertices(SkCanvas::VertexMode vmode,
                               int vertexCount, const SkPoint vertices[],
                               const SkPoint texs[], const SkColor colors[],
                               SkBlendMode bmode,
                               const uint16_t indices[], int indexCount,
                               const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawVertices", fContext.get());
 
     // If both textures and vertex-colors are nullptr, strokes hairlines with the paint's color.
@@ -1642,7 +1639,7 @@
         }
         fRenderTargetContext->drawVertices(fClip,
                                            std::move(grPaint),
-                                           *draw.fMatrix,
+                                           this->ctm(),
                                            kLines_GrPrimitiveType,
                                            vertexCount,
                                            vertices,
@@ -1656,13 +1653,13 @@
     GrPrimitiveType primType = SkVertexModeToGrPrimitiveType(vmode);
 
     GrPaint grPaint;
-    if (!init_vertices_paint(paint, *draw.fMatrix, bmode, SkToBool(texs), SkToBool(colors),
+    if (!init_vertices_paint(paint, this->ctm(), bmode, SkToBool(texs), SkToBool(colors),
                              fRenderTargetContext.get(), &grPaint)) {
         return;
     }
     fRenderTargetContext->drawVertices(fClip,
                                        std::move(grPaint),
-                                       *draw.fMatrix,
+                                       this->ctm(),
                                        primType,
                                        vertexCount,
                                        vertices,
@@ -1673,10 +1670,10 @@
                                        GrRenderTargetContext::ColorArrayType::kSkColor);
 }
 
-void SkGpuDevice::drawVerticesObject(const SkDraw& draw, sk_sp<SkVertices> vertices,
+void SkGpuDevice::drawVerticesObject(sk_sp<SkVertices> vertices,
                                      SkBlendMode mode, const SkPaint& paint, uint32_t flags) {
     ASSERT_SINGLE_OWNER
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawVerticesObject", fContext.get());
 
     SkASSERT(vertices);
@@ -1685,30 +1682,30 @@
     bool hasTexs = vertices->hasTexCoords() & !(SkCanvas::kIgnoreTexCoords_VerticesFlag & flags);
     if (!hasTexs && !hasColors) {
         // The dreaded wireframe mode. Fallback to drawVertices and go so slooooooow.
-        this->drawVertices(draw, vertices->mode(), vertices->vertexCount(), vertices->positions(),
+        this->drawVertices(vertices->mode(), vertices->vertexCount(), vertices->positions(),
                            nullptr, nullptr, mode, vertices->indices(), vertices->indexCount(),
                            paint);
     }
-    if (!init_vertices_paint(paint, *draw.fMatrix, mode, hasTexs, hasColors,
+    if (!init_vertices_paint(paint, this->ctm(), mode, hasTexs, hasColors,
                              fRenderTargetContext.get(), &grPaint)) {
         return;
     }
-    fRenderTargetContext->drawVertices(fClip, std::move(grPaint), *draw.fMatrix,
+    fRenderTargetContext->drawVertices(fClip, std::move(grPaint), this->ctm(),
                                        std::move(vertices), flags);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void SkGpuDevice::drawAtlas(const SkDraw& draw, const SkImage* atlas, const SkRSXform xform[],
+void SkGpuDevice::drawAtlas(const SkImage* atlas, const SkRSXform xform[],
                             const SkRect texRect[], const SkColor colors[], int count,
                             SkBlendMode mode, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     if (paint.isAntiAlias()) {
-        this->INHERITED::drawAtlas(draw, atlas, xform, texRect, colors, count, mode, paint);
+        this->INHERITED::drawAtlas(atlas, xform, texRect, colors, count, mode, paint);
         return;
     }
 
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawText", fContext.get());
 
     SkPaint p(paint);
@@ -1717,58 +1714,58 @@
     GrPaint grPaint;
     if (colors) {
         if (!SkPaintToGrPaintWithXfermode(this->context(), fRenderTargetContext.get(), p,
-                                          *draw.fMatrix, (SkBlendMode)mode, true, &grPaint)) {
+                                          this->ctm(), (SkBlendMode)mode, true, &grPaint)) {
             return;
         }
     } else {
-        if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), p, *draw.fMatrix,
+        if (!SkPaintToGrPaint(this->context(), fRenderTargetContext.get(), p, this->ctm(),
                               &grPaint)) {
             return;
         }
     }
 
     SkDEBUGCODE(this->validate();)
-    fRenderTargetContext->drawAtlas(fClip, std::move(grPaint), *draw.fMatrix, count, xform, texRect,
+    fRenderTargetContext->drawAtlas(fClip, std::move(grPaint), this->ctm(), count, xform, texRect,
                                     colors);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void SkGpuDevice::drawText(const SkDraw& draw, const void* text,
+void SkGpuDevice::drawText(const void* text,
                            size_t byteLength, SkScalar x, SkScalar y,
                            const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawText", fContext.get());
     SkDEBUGCODE(this->validate();)
 
-    fRenderTargetContext->drawText(fClip, paint, *draw.fMatrix,
-                                   (const char*)text, byteLength, x, y, this->devClipBounds(draw));
+    fRenderTargetContext->drawText(fClip, paint, this->ctm(),
+                                   (const char*)text, byteLength, x, y, this->devClipBounds());
 }
 
-void SkGpuDevice::drawPosText(const SkDraw& draw, const void* text, size_t byteLength,
+void SkGpuDevice::drawPosText(const void* text, size_t byteLength,
                               const SkScalar pos[], int scalarsPerPos,
                               const SkPoint& offset, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawPosText", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
     SkDEBUGCODE(this->validate();)
 
-    fRenderTargetContext->drawPosText(fClip, paint, *draw.fMatrix,
+    fRenderTargetContext->drawPosText(fClip, paint, this->ctm(),
                                       (const char*)text, byteLength, pos, scalarsPerPos, offset,
-                                      this->devClipBounds(draw));
+                                      this->devClipBounds());
 }
 
-void SkGpuDevice::drawTextBlob(const SkDraw& draw, const SkTextBlob* blob, SkScalar x, SkScalar y,
+void SkGpuDevice::drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
                                const SkPaint& paint, SkDrawFilter* drawFilter) {
     ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawTextBlob", fContext.get());
-    CHECK_SHOULD_DRAW(draw);
+    CHECK_SHOULD_DRAW();
 
     SkDEBUGCODE(this->validate();)
 
-    fRenderTargetContext->drawTextBlob(fClip, paint, *draw.fMatrix,
-                                       blob, x, y, drawFilter, this->devClipBounds(draw));
+    fRenderTargetContext->drawTextBlob(fClip, paint, this->ctm(),
+                                       blob, x, y, drawFilter, this->devClipBounds());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/gpu/SkGpuDevice.h b/src/gpu/SkGpuDevice.h
index 31ade05..655724c 100644
--- a/src/gpu/SkGpuDevice.h
+++ b/src/gpu/SkGpuDevice.h
@@ -65,55 +65,55 @@
 
     GrRenderTargetContext* accessRenderTargetContext() override;
 
-    void drawPaint(const SkDraw&, const SkPaint& paint) override;
-    void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count, const SkPoint[],
+    void drawPaint(const SkPaint& paint) override;
+    void drawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint[],
                     const SkPaint& paint) override;
-    void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint) override;
-    void drawRRect(const SkDraw&, const SkRRect& r, const SkPaint& paint) override;
-    void drawDRRect(const SkDraw& draw, const SkRRect& outer, const SkRRect& inner,
+    void drawRect(const SkRect& r, const SkPaint& paint) override;
+    void drawRRect(const SkRRect& r, const SkPaint& paint) override;
+    void drawDRRect(const SkRRect& outer, const SkRRect& inner,
                     const SkPaint& paint) override;
-    void drawRegion(const SkDraw&, const SkRegion& r, const SkPaint& paint) override;
-    void drawOval(const SkDraw&, const SkRect& oval, const SkPaint& paint) override;
-    void drawArc(const SkDraw&, const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle,
+    void drawRegion(const SkRegion& r, const SkPaint& paint) override;
+    void drawOval(const SkRect& oval, const SkPaint& paint) override;
+    void drawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle,
                  bool useCenter, const SkPaint& paint) override;
-    void drawPath(const SkDraw&, const SkPath& path, const SkPaint& paint,
+    void drawPath(const SkPath& path, const SkPaint& paint,
                   const SkMatrix* prePathMatrix, bool pathIsMutable) override;
-    void drawBitmap(const SkDraw&, const SkBitmap& bitmap, const SkMatrix&,
+    void drawBitmap(const SkBitmap& bitmap, const SkMatrix&,
                     const SkPaint&) override;
-    void drawBitmapRect(const SkDraw&, const SkBitmap&, const SkRect* srcOrNull, const SkRect& dst,
+    void drawBitmapRect(const SkBitmap&, const SkRect* srcOrNull, const SkRect& dst,
                         const SkPaint& paint, SkCanvas::SrcRectConstraint) override;
-    void drawSprite(const SkDraw&, const SkBitmap& bitmap, int x, int y,
+    void drawSprite(const SkBitmap& bitmap, int x, int y,
                     const SkPaint& paint) override;
-    void drawText(const SkDraw&, const void* text, size_t len, SkScalar x, SkScalar y,
+    void drawText(const void* text, size_t len, SkScalar x, SkScalar y,
                   const SkPaint&) override;
-    void drawPosText(const SkDraw&, const void* text, size_t len, const SkScalar pos[],
+    void drawPosText(const void* text, size_t len, const SkScalar pos[],
                      int scalarsPerPos, const SkPoint& offset, const SkPaint&) override;
-    void drawTextBlob(const SkDraw&, const SkTextBlob*, SkScalar x, SkScalar y,
+    void drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y,
                       const SkPaint& paint, SkDrawFilter* drawFilter) override;
-    void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount, const SkPoint verts[],
+    void drawVertices(SkCanvas::VertexMode, int vertexCount, const SkPoint verts[],
                       const SkPoint texs[], const SkColor colors[], SkBlendMode,
                       const uint16_t indices[], int indexCount, const SkPaint&) override;
-    void drawVerticesObject(const SkDraw&, sk_sp<SkVertices>, SkBlendMode, const SkPaint&,
+    void drawVerticesObject(sk_sp<SkVertices>, SkBlendMode, const SkPaint&,
                             uint32_t flags) override;
-    void drawAtlas(const SkDraw&, const SkImage* atlas, const SkRSXform[], const SkRect[],
+    void drawAtlas(const SkImage* atlas, const SkRSXform[], const SkRect[],
                    const SkColor[], int count, SkBlendMode, const SkPaint&) override;
-    void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y, const SkPaint&) override;
+    void drawDevice(SkBaseDevice*, int x, int y, const SkPaint&) override;
 
-    void drawImage(const SkDraw&, const SkImage*, SkScalar x, SkScalar y, const SkPaint&) override;
-    void drawImageRect(const SkDraw&, const SkImage*, const SkRect* src, const SkRect& dst,
+    void drawImage(const SkImage*, SkScalar x, SkScalar y, const SkPaint&) override;
+    void drawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
                        const SkPaint&, SkCanvas::SrcRectConstraint) override;
 
-    void drawImageNine(const SkDraw& draw, const SkImage* image, const SkIRect& center,
+    void drawImageNine(const SkImage* image, const SkIRect& center,
                        const SkRect& dst, const SkPaint& paint) override;
-    void drawBitmapNine(const SkDraw& draw, const SkBitmap& bitmap, const SkIRect& center,
+    void drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
                         const SkRect& dst, const SkPaint& paint) override;
 
-    void drawImageLattice(const SkDraw&, const SkImage*, const SkCanvas::Lattice&,
+    void drawImageLattice(const SkImage*, const SkCanvas::Lattice&,
                           const SkRect& dst, const SkPaint&) override;
-    void drawBitmapLattice(const SkDraw&, const SkBitmap&, const SkCanvas::Lattice&,
+    void drawBitmapLattice(const SkBitmap&, const SkCanvas::Lattice&,
                            const SkRect& dst, const SkPaint&) override;
 
-    void drawSpecial(const SkDraw&, SkSpecialImage*,
+    void drawSpecial(SkSpecialImage*,
                      int left, int top, const SkPaint& paint) override;
     sk_sp<SkSpecialImage> makeSpecial(const SkBitmap&) override;
     sk_sp<SkSpecialImage> makeSpecial(const SkImage*) override;
@@ -157,7 +157,7 @@
     bool forceConservativeRasterClip() const override { return true; }
 
     // sets the render target and clip on context
-    void prepareDraw(const SkDraw&);
+    void prepareDraw();
 
     /**
      * Helper functions called by drawBitmapCommon. By the time these are called the SkDraw's
@@ -179,8 +179,7 @@
                          SkCanvas::SrcRectConstraint constraint, SkFilterQuality quality,
                          const SkMatrix& viewMatrix, const SkMatrix& srcToDstRect) const;
 
-    sk_sp<SkSpecialImage> filterTexture(const SkDraw&,
-                                        SkSpecialImage*,
+    sk_sp<SkSpecialImage> filterTexture(SkSpecialImage*,
                                         int left, int top,
                                         SkIPoint* offset,
                                         const SkImageFilter* filter);
@@ -228,14 +227,14 @@
     bool drawFilledDRRect(const SkMatrix& viewMatrix, const SkRRect& outer,
                           const SkRRect& inner, const SkPaint& paint);
 
-    void drawProducerNine(const SkDraw&, GrTextureProducer*, const SkIRect& center,
+    void drawProducerNine(GrTextureProducer*, const SkIRect& center,
                           const SkRect& dst, const SkPaint&);
 
-    void drawProducerLattice(const SkDraw&, GrTextureProducer*, const SkCanvas::Lattice& lattice,
+    void drawProducerLattice(GrTextureProducer*, const SkCanvas::Lattice& lattice,
                              const SkRect& dst, const SkPaint&);
 
     bool drawDashLine(const SkPoint pts[2], const SkPaint& paint);
-    void drawStrokedLine(const SkPoint pts[2], const SkDraw&, const SkPaint&);
+    void drawStrokedLine(const SkPoint pts[2], const SkPaint&);
 
     static sk_sp<GrRenderTargetContext> MakeRenderTargetContext(GrContext*,
                                                                 SkBudgeted,
diff --git a/src/pdf/SkPDFDevice.cpp b/src/pdf/SkPDFDevice.cpp
index d54441e..26dd09f 100644
--- a/src/pdf/SkPDFDevice.cpp
+++ b/src/pdf/SkPDFDevice.cpp
@@ -48,6 +48,23 @@
 
 // Utility functions
 
+static void draw_points(SkCanvas::PointMode mode,
+                        size_t count,
+                        const SkPoint* points,
+                        const SkPaint& paint,
+                        const SkIRect& bounds,
+                        const SkMatrix& ctm,
+                        SkBaseDevice* device) {
+    SkRasterClip rc(bounds);
+    SkDraw draw;
+    draw.fDst = SkPixmap(SkImageInfo::MakeUnknown(bounds.right(), bounds.bottom()), nullptr, 0);
+    draw.fMatrix = &ctm;
+    draw.fRC = &rc;
+    draw.drawPoints(mode, count, points, paint, device);
+}
+
+static SkIRect size(const SkBaseDevice& dev) { return {0, 0, dev.width(), dev.height()}; }
+
 // If the paint will definitely draw opaquely, replace kSrc with
 // kSrcOver.  http://crbug.com/473572
 static void replace_srcmode_on_opaque_paint(SkPaint* paint) {
@@ -381,23 +398,26 @@
 // drawing method and maintain the state needed between set up and finish.
 class ScopedContentEntry {
 public:
-    ScopedContentEntry(SkPDFDevice* device, const SkDraw& draw,
-                       const SkPaint& paint, bool hasText = false)
-        : fDevice(device),
-          fContentEntry(nullptr),
-          fBlendMode(SkBlendMode::kSrcOver),
-          fDstFormXObject(nullptr) {
-        init(draw.fClipStack, *draw.fMatrix, paint, hasText);
-    }
-    ScopedContentEntry(SkPDFDevice* device, const SkClipStack* clipStack,
+    ScopedContentEntry(SkPDFDevice* device,
+                       const SkClipStack& clipStack,
                        const SkMatrix& matrix,
-                       const SkPaint& paint, bool hasText = false)
-        : fDevice(device),
-          fContentEntry(nullptr),
-          fBlendMode(SkBlendMode::kSrcOver),
-          fDstFormXObject(nullptr) {
-        init(clipStack, matrix, paint, hasText);
+                       const SkPaint& paint,
+                       bool hasText = false)
+        : fDevice(device)
+        , fContentEntry(nullptr)
+        , fBlendMode(SkBlendMode::kSrcOver)
+        , fDstFormXObject(nullptr)
+    {
+        if (matrix.hasPerspective()) {
+            NOT_IMPLEMENTED(!matrix.hasPerspective(), false);
+            return;
+        }
+        fBlendMode = paint.getBlendMode();
+        fContentEntry =
+            fDevice->setUpContentEntry(clipStack, matrix, paint, hasText, &fDstFormXObject);
     }
+    ScopedContentEntry(SkPDFDevice* dev, const SkPaint& paint, bool hasText = false)
+        : ScopedContentEntry(dev, dev->cs(), dev->ctm(), paint, hasText) {}
 
     ~ScopedContentEntry() {
         if (fContentEntry) {
@@ -451,18 +471,6 @@
     SkBlendMode fBlendMode;
     sk_sp<SkPDFObject> fDstFormXObject;
     SkPath fShape;
-
-    void init(const SkClipStack* clipStack,
-              const SkMatrix& matrix, const SkPaint& paint, bool hasText) {
-        // Shape has to be flatten before we get here.
-        if (matrix.hasPerspective()) {
-            NOT_IMPLEMENTED(!matrix.hasPerspective(), false);
-            return;
-        }
-        fBlendMode = paint.getBlendMode();
-        fContentEntry = fDevice->setUpContentEntry(clipStack, matrix, paint, hasText,
-                                                   &fDstFormXObject);
-    }
 };
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -503,25 +511,44 @@
     fShaderResources.unrefAll();
 }
 
-void SkPDFDevice::drawAnnotation(const SkDraw& d, const SkRect& rect, const char key[],
-                                 SkData* value) {
+void SkPDFDevice::drawAnnotation(const SkRect& rect, const char key[], SkData* value) {
     if (!value) {
         return;
     }
     if (rect.isEmpty()) {
-        this->handlePointAnnotation({ rect.x(), rect.y() }, *d.fMatrix, key, value);
-    } else {
-        this->handleRectAnnotation(rect, d, key, value);
+        if (!strcmp(SkAnnotationKeys::Define_Named_Dest_Key(), key)) {
+            SkPoint transformedPoint;
+            this->ctm().mapXY(rect.x(), rect.y(), &transformedPoint);
+            fNamedDestinations.emplace_back(value, transformedPoint);
+        }
+        return;
+    }
+    // Convert to path to handle non-90-degree rotations.
+    SkPath path;
+    path.addRect(rect);
+    path.transform(this->ctm(), &path);
+    SkPath clip;
+    (void)this->cs().asPath(&clip);
+    Op(clip, path, kIntersect_SkPathOp, &path);
+    // PDF wants a rectangle only.
+    SkRect transformedRect = path.getBounds();
+    if (transformedRect.isEmpty()) {
+        return;
+    }
+    if (!strcmp(SkAnnotationKeys::URL_Key(), key)) {
+        fLinkToURLs.emplace_back(transformedRect, value);
+    } else if (!strcmp(SkAnnotationKeys::Link_Named_Dest_Key(), key)) {
+        fLinkToDestinations.emplace_back(transformedRect, value);
     }
 }
 
-void SkPDFDevice::drawPaint(const SkDraw& d, const SkPaint& paint) {
+void SkPDFDevice::drawPaint(const SkPaint& paint) {
     SkPaint newPaint = paint;
     replace_srcmode_on_opaque_paint(&newPaint);
 
     newPaint.setStyle(SkPaint::kFill_Style);
-    ScopedContentEntry content(this, d, newPaint);
-    internalDrawPaint(newPaint, content.entry());
+    ScopedContentEntry content(this, newPaint);
+    this->internalDrawPaint(newPaint, content.entry());
 }
 
 void SkPDFDevice::internalDrawPaint(const SkPaint& paint,
@@ -542,8 +569,7 @@
                           &contentEntry->fContent);
 }
 
-void SkPDFDevice::drawPoints(const SkDraw& d,
-                             SkCanvas::PointMode mode,
+void SkPDFDevice::drawPoints(SkCanvas::PointMode mode,
                              size_t count,
                              const SkPoint* points,
                              const SkPaint& srcPaint) {
@@ -558,10 +584,11 @@
     // We only use this when there's a path effect because of the overhead
     // of multiple calls to setUpContentEntry it causes.
     if (passedPaint.getPathEffect()) {
-        if (d.fClipStack->isEmpty(this->getGlobalBounds())) {
+        if (this->cs().isEmpty(size(*this))) {
             return;
         }
-        d.drawPoints(mode, count, points, passedPaint, this);
+        draw_points(mode, count, points, passedPaint,
+                    this->devClipBounds(), this->ctm(), this);
         return;
     }
 
@@ -581,7 +608,7 @@
             for (size_t i = 0; i < count; i++) {
                 SkRect r = SkRect::MakeXYWH(points[i].fX, points[i].fY, 0, 0);
                 r.inset(-halfStroke, -halfStroke);
-                drawRect(d, r, modifiedPaint);
+                this->drawRect(r, modifiedPaint);
             }
             return;
         } else {
@@ -589,7 +616,7 @@
         }
     }
 
-    ScopedContentEntry content(this, d, *paint);
+    ScopedContentEntry content(this, *paint);
     if (!content.entry()) {
         return;
     }
@@ -671,8 +698,7 @@
     return annotation;
 }
 
-void SkPDFDevice::drawRect(const SkDraw& d,
-                           const SkRect& rect,
+void SkPDFDevice::drawRect(const SkRect& rect,
                            const SkPaint& srcPaint) {
     SkPaint paint = srcPaint;
     replace_srcmode_on_opaque_paint(&paint);
@@ -680,16 +706,16 @@
     r.sort();
 
     if (paint.getPathEffect()) {
-        if (d.fClipStack->isEmpty(this->getGlobalBounds())) {
+        if (this->cs().isEmpty(size(*this))) {
             return;
         }
         SkPath path;
         path.addRect(r);
-        drawPath(d, path, paint, nullptr, true);
+        this->drawPath(path, paint, nullptr, true);
         return;
     }
 
-    ScopedContentEntry content(this, d, paint);
+    ScopedContentEntry content(this, paint);
     if (!content.entry()) {
         return;
     }
@@ -698,37 +724,44 @@
                           &content.entry()->fContent);
 }
 
-void SkPDFDevice::drawRRect(const SkDraw& draw,
-                            const SkRRect& rrect,
+void SkPDFDevice::drawRRect(const SkRRect& rrect,
                             const SkPaint& srcPaint) {
     SkPaint paint = srcPaint;
     replace_srcmode_on_opaque_paint(&paint);
     SkPath  path;
     path.addRRect(rrect);
-    this->drawPath(draw, path, paint, nullptr, true);
+    this->drawPath(path, paint, nullptr, true);
 }
 
-void SkPDFDevice::drawOval(const SkDraw& draw,
-                           const SkRect& oval,
+void SkPDFDevice::drawOval(const SkRect& oval,
                            const SkPaint& srcPaint) {
     SkPaint paint = srcPaint;
     replace_srcmode_on_opaque_paint(&paint);
     SkPath  path;
     path.addOval(oval);
-    this->drawPath(draw, path, paint, nullptr, true);
+    this->drawPath(path, paint, nullptr, true);
 }
 
-void SkPDFDevice::drawPath(const SkDraw& d,
-                           const SkPath& origPath,
+void SkPDFDevice::drawPath(const SkPath& origPath,
                            const SkPaint& srcPaint,
                            const SkMatrix* prePathMatrix,
                            bool pathIsMutable) {
+    this->internalDrawPath(
+            this->cs(), this->ctm(), origPath, srcPaint, prePathMatrix, pathIsMutable);
+}
+
+void SkPDFDevice::internalDrawPath(const SkClipStack& clipStack,
+                                   const SkMatrix& ctm,
+                                   const SkPath& origPath,
+                                   const SkPaint& srcPaint,
+                                   const SkMatrix* prePathMatrix,
+                                   bool pathIsMutable) {
     SkPaint paint = srcPaint;
     replace_srcmode_on_opaque_paint(&paint);
     SkPath modifiedPath;
     SkPath* pathPtr = const_cast<SkPath*>(&origPath);
 
-    SkMatrix matrix = *d.fMatrix;
+    SkMatrix matrix = ctm;
     if (prePathMatrix) {
         if (paint.getPathEffect() || paint.getStyle() != SkPaint::kFill_Style) {
             if (!pathIsMutable) {
@@ -742,7 +775,7 @@
     }
 
     if (paint.getPathEffect()) {
-        if (d.fClipStack->isEmpty(this->getGlobalBounds())) {
+        if (clipStack.isEmpty(size(*this))) {
             return;
         }
         if (!pathIsMutable) {
@@ -759,15 +792,15 @@
             noEffectPaint.setStyle(SkPaint::kStroke_Style);
             noEffectPaint.setStrokeWidth(0);
         }
-        drawPath(d, *pathPtr, noEffectPaint, nullptr, true);
+        this->internalDrawPath(clipStack, ctm, *pathPtr, noEffectPaint, nullptr, true);
         return;
     }
 
-    if (handleInversePath(d, origPath, paint, pathIsMutable, prePathMatrix)) {
+    if (this->handleInversePath(origPath, paint, pathIsMutable, prePathMatrix)) {
         return;
     }
 
-    ScopedContentEntry content(this, d.fClipStack, matrix, paint);
+    ScopedContentEntry content(this, clipStack, matrix, paint);
     if (!content.entry()) {
         return;
     }
@@ -786,8 +819,7 @@
 }
 
 
-void SkPDFDevice::drawImageRect(const SkDraw& d,
-                                const SkImage* image,
+void SkPDFDevice::drawImageRect(const SkImage* image,
                                 const SkRect* src,
                                 const SkRect& dst,
                                 const SkPaint& srcPaint,
@@ -815,17 +847,15 @@
     if (!imageSubset.isValid()) {
         return;
     }
-    transform.postConcat(*d.fMatrix);
-    this->internalDrawImage(transform, d.fClipStack,
-                            std::move(imageSubset), paint);
+    transform.postConcat(this->ctm());
+    this->internalDrawImage(transform, this->cs(), std::move(imageSubset), paint);
 }
 
-void SkPDFDevice::drawBitmapRect(const SkDraw& d,
-                                 const SkBitmap& bitmap,
+void SkPDFDevice::drawBitmapRect(const SkBitmap& bitmap,
                                  const SkRect* src,
                                  const SkRect& dst,
-                                const SkPaint& srcPaint,
-                                SkCanvas::SrcRectConstraint) {
+                                 const SkPaint& srcPaint,
+                                 SkCanvas::SrcRectConstraint) {
     if (bitmap.drawsNothing()) {
         return;
     }
@@ -853,16 +883,14 @@
     if (!imageSubset.isValid()) {
         return;
     }
-    transform.postConcat(*d.fMatrix);
-    this->internalDrawImage(transform, d.fClipStack,
-                            std::move(imageSubset), paint);
+    transform.postConcat(this->ctm());
+    this->internalDrawImage(transform, this->cs(), std::move(imageSubset), paint);
 }
 
-void SkPDFDevice::drawBitmap(const SkDraw& d,
-                             const SkBitmap& bitmap,
+void SkPDFDevice::drawBitmap(const SkBitmap& bitmap,
                              const SkMatrix& matrix,
                              const SkPaint& srcPaint) {
-    if (bitmap.drawsNothing() || d.fClipStack->isEmpty(this->getGlobalBounds())) {
+    if (bitmap.drawsNothing() || this->cs().isEmpty(size(*this))) {
         return;
     }
     SkPaint paint = srcPaint;
@@ -874,17 +902,15 @@
         return;
     }
     SkMatrix transform = matrix;
-    transform.postConcat(*d.fMatrix);
-    this->internalDrawImage(
-            transform, d.fClipStack, std::move(imageSubset), paint);
+    transform.postConcat(this->ctm());
+    this->internalDrawImage(transform, this->cs(), std::move(imageSubset), paint);
 }
 
-void SkPDFDevice::drawSprite(const SkDraw& d,
-                             const SkBitmap& bitmap,
+void SkPDFDevice::drawSprite(const SkBitmap& bitmap,
                              int x,
                              int y,
                              const SkPaint& srcPaint) {
-    if (bitmap.drawsNothing() || d.fClipStack->isEmpty(this->getGlobalBounds())) {
+    if (bitmap.drawsNothing() || this->cs().isEmpty(size(*this))) {
         return;
     }
     SkPaint paint = srcPaint;
@@ -896,12 +922,10 @@
         return;
     }
     SkMatrix transform = SkMatrix::MakeTrans(SkIntToScalar(x), SkIntToScalar(y));
-    this->internalDrawImage(
-            transform, d.fClipStack, std::move(imageSubset), paint);
+    this->internalDrawImage(transform, this->cs(), std::move(imageSubset), paint);
 }
 
-void SkPDFDevice::drawImage(const SkDraw& draw,
-                            const SkImage* image,
+void SkPDFDevice::drawImage(const SkImage* image,
                             SkScalar x,
                             SkScalar y,
                             const SkPaint& srcPaint) {
@@ -917,9 +941,8 @@
         return;
     }
     SkMatrix transform = SkMatrix::MakeTrans(x, y);
-    transform.postConcat(*draw.fMatrix);
-    this->internalDrawImage(
-            transform, draw.fClipStack, std::move(imageSubset), paint);
+    transform.postConcat(this->ctm());
+    this->internalDrawImage(transform, this->cs(), std::move(imageSubset), paint);
 }
 
 namespace {
@@ -1213,7 +1236,7 @@
 }
 
 void SkPDFDevice::internalDrawText(
-        const SkDraw& d, const void* sourceText, size_t sourceByteCount,
+        const void* sourceText, size_t sourceByteCount,
         const SkScalar pos[], SkTextBlob::GlyphPositioning positioning,
         SkPoint offset, const SkPaint& srcPaint, const uint32_t* clusters,
         uint32_t textByteLength, const char* utf8Text) {
@@ -1297,7 +1320,7 @@
         }
         offset.offset(alignmentFactor * advance, 0);
     }
-    ScopedContentEntry content(this, d, paint, true);
+    ScopedContentEntry content(this, paint, true);
     if (!content.entry()) {
         return;
     }
@@ -1396,20 +1419,20 @@
     }
 }
 
-void SkPDFDevice::drawText(const SkDraw& d, const void* text, size_t len,
+void SkPDFDevice::drawText(const void* text, size_t len,
                            SkScalar x, SkScalar y, const SkPaint& paint) {
-    this->internalDrawText(d, text, len, nullptr, SkTextBlob::kDefault_Positioning,
+    this->internalDrawText(text, len, nullptr, SkTextBlob::kDefault_Positioning,
                            SkPoint{x, y}, paint, nullptr, 0, nullptr);
 }
 
-void SkPDFDevice::drawPosText(const SkDraw& d, const void* text, size_t len,
+void SkPDFDevice::drawPosText(const void* text, size_t len,
                               const SkScalar pos[], int scalarsPerPos,
                               const SkPoint& offset, const SkPaint& paint) {
-    this->internalDrawText(d, text, len, pos, (SkTextBlob::GlyphPositioning)scalarsPerPos,
+    this->internalDrawText(text, len, pos, (SkTextBlob::GlyphPositioning)scalarsPerPos,
                            offset, paint, nullptr, 0, nullptr);
 }
 
-void SkPDFDevice::drawTextBlob(const SkDraw& draw, const SkTextBlob* blob, SkScalar x, SkScalar y,
+void SkPDFDevice::drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
                                const SkPaint &paint, SkDrawFilter* drawFilter) {
     for (SkTextBlobRunIterator it(blob); !it.done(); it.next()) {
         SkPaint runPaint(paint);
@@ -1419,25 +1442,24 @@
         }
         runPaint.setFlags(this->filterTextFlags(runPaint));
         SkPoint offset = it.offset() + SkPoint{x, y};
-        this->internalDrawText(draw, it.glyphs(), sizeof(SkGlyphID) * it.glyphCount(),
+        this->internalDrawText(it.glyphs(), sizeof(SkGlyphID) * it.glyphCount(),
                                it.pos(), it.positioning(), offset, runPaint,
                                it.clusters(), it.textSize(), it.text());
     }
 }
 
-void SkPDFDevice::drawVertices(const SkDraw& d, SkCanvas::VertexMode,
+void SkPDFDevice::drawVertices(SkCanvas::VertexMode,
                                int vertexCount, const SkPoint verts[],
                                const SkPoint texs[], const SkColor colors[],
                                SkBlendMode, const uint16_t indices[],
                                int indexCount, const SkPaint& paint) {
-    if (d.fClipStack->isEmpty(this->getGlobalBounds())) {
+    if (this->cs().isEmpty(size(*this))) {
         return;
     }
     // TODO: implement drawVertices
 }
 
-void SkPDFDevice::drawDevice(const SkDraw& d, SkBaseDevice* device,
-                             int x, int y, const SkPaint& paint) {
+void SkPDFDevice::drawDevice(SkBaseDevice* device, int x, int y, const SkPaint& paint) {
     SkASSERT(!paint.getImageFilter());
 
     // Check if the source device is really a bitmapdevice (because that's what we returned
@@ -1446,7 +1468,7 @@
     if (device->peekPixels(&pmap)) {
         SkBitmap bitmap;
         bitmap.installPixels(pmap);
-        this->drawSprite(d, bitmap, x, y, paint);
+        this->drawSprite(bitmap, x, y, paint);
         return;
     }
 
@@ -1472,9 +1494,8 @@
         return;
     }
 
-    SkMatrix matrix;
-    matrix.setTranslate(SkIntToScalar(x), SkIntToScalar(y));
-    ScopedContentEntry content(this, d.fClipStack, matrix, paint);
+    SkMatrix matrix = SkMatrix::MakeTrans(SkIntToScalar(x), SkIntToScalar(y));
+    ScopedContentEntry content(this, this->cs(), matrix, paint);
     if (!content.entry()) {
         return;
     }
@@ -1530,11 +1551,8 @@
 
     GraphicStackState gsState(fExistingClipStack, &buffer);
     for (const auto& entry : fContentEntries) {
-        SkPoint translation;
-        translation.iset(this->getOrigin());
-        translation.negate();
         gsState.updateClip(entry.fState.fClipStack,
-                           translation, SkRect::Make(this->getGlobalBounds()));
+                {0, 0}, SkRect::Make(size(*this)));
         gsState.updateMatrix(entry.fState.fMatrix);
         gsState.updateDrawingState(entry.fState);
 
@@ -1555,14 +1573,14 @@
  * either as a (incorrect) fallback or because the path was not inverse
  * in the first place.
  */
-bool SkPDFDevice::handleInversePath(const SkDraw& d, const SkPath& origPath,
+bool SkPDFDevice::handleInversePath(const SkPath& origPath,
                                     const SkPaint& paint, bool pathIsMutable,
                                     const SkMatrix* prePathMatrix) {
     if (!origPath.isInverseFillType()) {
         return false;
     }
 
-    if (d.fClipStack->isEmpty(this->getGlobalBounds())) {
+    if (this->cs().isEmpty(size(*this))) {
         return false;
     }
 
@@ -1582,7 +1600,7 @@
             // To be consistent with the raster output, hairline strokes
             // are rendered as non-inverted.
             modifiedPath.toggleInverseFillType();
-            drawPath(d, modifiedPath, paint, nullptr, true);
+            this->drawPath(modifiedPath, paint, nullptr, true);
             return true;
         }
     }
@@ -1590,16 +1608,14 @@
     // Get bounds of clip in current transform space
     // (clip bounds are given in device space).
     SkMatrix transformInverse;
-    SkMatrix totalMatrix = *d.fMatrix;
+    SkMatrix totalMatrix = this->ctm();
     if (prePathMatrix) {
         totalMatrix.preConcat(*prePathMatrix);
     }
     if (!totalMatrix.invert(&transformInverse)) {
         return false;
     }
-    SkRect bounds = d.fClipStack->bounds(this->getGlobalBounds());
-    SkIPoint deviceOrigin = this->getOrigin();
-    bounds.offset(-deviceOrigin.x(), -deviceOrigin.y());
+    SkRect bounds = this->cs().bounds(size(*this));
     transformInverse.mapRect(&bounds);
 
     // Extend the bounds by the line width (plus some padding)
@@ -1611,48 +1627,10 @@
         return false;
     }
 
-    drawPath(d, modifiedPath, noInversePaint, prePathMatrix, true);
+    this->drawPath(modifiedPath, noInversePaint, prePathMatrix, true);
     return true;
 }
 
-void SkPDFDevice::handlePointAnnotation(const SkPoint& point,
-                                        const SkMatrix& matrix,
-                                        const char key[], SkData* value) {
-    SkASSERT(value);
-    if (!strcmp(SkAnnotationKeys::Define_Named_Dest_Key(), key)) {
-        SkPoint transformedPoint;
-        matrix.mapXY(point.x(), point.y(), &transformedPoint);
-        fNamedDestinations.emplace_back(value, transformedPoint);
-    }
-}
-
-void SkPDFDevice::handleRectAnnotation(const SkRect& rect,
-                                       const SkDraw& d,
-                                       const char key[], SkData* value) {
-    SkASSERT(value);
-    // Convert to path to handle non-90-degree rotations.
-    SkPath path;
-    path.addRect(rect);
-    path.transform(*d.fMatrix, &path);
-    SkPath clip;
-    (void)d.fClipStack->asPath(&clip);
-    SkIPoint deviceOrigin = this->getOrigin();
-    clip.offset(-deviceOrigin.x(), -deviceOrigin.y());
-    // Offset here to make clip and path share coordinates.
-    // We remove the offset in SkPDFDevice::drawDevice().
-    Op(clip, path, kIntersect_SkPathOp, &path);
-    // PDF wants a rectangle only.
-    SkRect transformedRect = path.getBounds();
-
-    if (!transformedRect.isEmpty()) {
-        if (!strcmp(SkAnnotationKeys::URL_Key(), key)) {
-            fLinkToURLs.emplace_back(transformedRect, value);
-        } else if (!strcmp(SkAnnotationKeys::Link_Named_Dest_Key(), key)) {
-            fLinkToDestinations.emplace_back(transformedRect, value);
-        }
-    }
-}
-
 void SkPDFDevice::appendAnnotations(SkPDFArray* array) const {
     array->reserve(fLinkToURLs.count() + fLinkToDestinations.count());
     for (const RectWithData& rectWithURL : fLinkToURLs) {
@@ -1704,10 +1682,10 @@
 
 void SkPDFDevice::drawFormXObjectWithMask(int xObjectIndex,
                                           sk_sp<SkPDFObject> mask,
-                                          const SkClipStack* clipStack,
+                                          const SkClipStack& clipStack,
                                           SkBlendMode mode,
                                           bool invertClip) {
-    if (!invertClip && clipStack->isEmpty(this->getGlobalBounds())) {
+    if (!invertClip && clipStack.isEmpty(size(*this))) {
         return;
     }
 
@@ -1715,11 +1693,9 @@
             std::move(mask), invertClip,
             SkPDFGraphicState::kAlpha_SMaskMode, fDocument->canon());
 
-    SkMatrix identity;
-    identity.reset();
     SkPaint paint;
     paint.setBlendMode(mode);
-    ScopedContentEntry content(this, clipStack, identity, paint);
+    ScopedContentEntry content(this, clipStack, SkMatrix::I(), paint);
     if (!content.entry()) {
         return;
     }
@@ -1735,13 +1711,12 @@
                                   &content.entry()->fContent);
 }
 
-SkPDFDevice::ContentEntry* SkPDFDevice::setUpContentEntry(const SkClipStack* clipStack,
+SkPDFDevice::ContentEntry* SkPDFDevice::setUpContentEntry(const SkClipStack& clipStack,
                                                           const SkMatrix& matrix,
                                                           const SkPaint& paint,
                                                           bool hasText,
                                                           sk_sp<SkPDFObject>* dst) {
     *dst = nullptr;
-    SkASSERT(clipStack);
     SkBlendMode blendMode = paint.getBlendMode();
 
     // For the following modes, we want to handle source and destination
@@ -1781,7 +1756,7 @@
     } else {
         entry = fContentEntries.emplace_front();
     }
-    populateGraphicStateEntryFromPaint(matrix, *clipStack, paint, hasText, &entry->fState);
+    populateGraphicStateEntryFromPaint(matrix, clipStack, paint, hasText, &entry->fState);
     return entry;
 }
 
@@ -1826,8 +1801,6 @@
 
     SkClipStack clipStack = fContentEntries.front()->fState.fClipStack;
 
-    SkMatrix identity;
-    identity.reset();
     SkPaint stockPaint;
 
     sk_sp<SkPDFObject> srcFormXObject;
@@ -1839,7 +1812,7 @@
         // reduces to Dst.
         if (shape == nullptr || blendMode == SkBlendMode::kDstOut ||
                 blendMode == SkBlendMode::kSrcATop) {
-            ScopedContentEntry content(this, &fExistingClipStack, identity, stockPaint);
+            ScopedContentEntry content(this, fExistingClipStack, SkMatrix::I(), stockPaint);
             // TODO: addXObjectResource take sk_sp
             SkPDFUtils::DrawFormXObject(this->addXObjectResource(dst.get()),
                                         &content.entry()->fContent);
@@ -1860,28 +1833,23 @@
         // the non-transparent parts of the device and the outlines (shape) of
         // all images and devices drawn.
         drawFormXObjectWithMask(addXObjectResource(srcFormXObject.get()), dst,
-                                &fExistingClipStack, SkBlendMode::kSrcOver, true);
+                                fExistingClipStack, SkBlendMode::kSrcOver, true);
     } else {
         if (shape != nullptr) {
             // Draw shape into a form-xobject.
-            SkRasterClip rc;
-            SkDraw d;
-            d.fMatrix = &identity;
-            d.fRC = &rc;
-            d.fClipStack = &clipStack;
             SkPaint filledPaint;
             filledPaint.setColor(SK_ColorBLACK);
             filledPaint.setStyle(SkPaint::kFill_Style);
-            this->drawPath(d, *shape, filledPaint, nullptr, true);
-            drawFormXObjectWithMask(addXObjectResource(dst.get()),
-                                    this->makeFormXObjectFromDevice(),
-                                    &fExistingClipStack,
-                                    SkBlendMode::kSrcOver, true);
-
+            this->internalDrawPath(clipStack, SkMatrix::I(), *shape, filledPaint, nullptr, true);
+            this->drawFormXObjectWithMask(this->addXObjectResource(dst.get()),
+                                          this->makeFormXObjectFromDevice(),
+                                          fExistingClipStack,
+                                          SkBlendMode::kSrcOver, true);
         } else {
-            drawFormXObjectWithMask(addXObjectResource(dst.get()), srcFormXObject,
-                                    &fExistingClipStack,
-                                    SkBlendMode::kSrcOver, true);
+            this->drawFormXObjectWithMask(this->addXObjectResource(dst.get()),
+                                          srcFormXObject,
+                                          fExistingClipStack,
+                                          SkBlendMode::kSrcOver, true);
         }
     }
 
@@ -1889,7 +1857,7 @@
         return;
     } else if (blendMode == SkBlendMode::kSrc ||
             blendMode == SkBlendMode::kDstATop) {
-        ScopedContentEntry content(this, &fExistingClipStack, identity, stockPaint);
+        ScopedContentEntry content(this, fExistingClipStack, SkMatrix::I(), stockPaint);
         if (content.entry()) {
             SkPDFUtils::DrawFormXObject(
                     this->addXObjectResource(srcFormXObject.get()),
@@ -1899,8 +1867,8 @@
             return;
         }
     } else if (blendMode == SkBlendMode::kSrcATop) {
-        ScopedContentEntry content(this, &fExistingClipStack,
-                                   identity, stockPaint);
+        ScopedContentEntry content(this, fExistingClipStack,
+                                   SkMatrix::I(), stockPaint);
         if (content.entry()) {
             SkPDFUtils::DrawFormXObject(this->addXObjectResource(dst.get()),
                                         &content.entry()->fContent);
@@ -1920,7 +1888,7 @@
             blendMode == SkBlendMode::kSrcATop) {
         drawFormXObjectWithMask(addXObjectResource(srcFormXObject.get()),
                                 std::move(dst),
-                                &fExistingClipStack,
+                                fExistingClipStack,
                                 SkBlendMode::kSrcOver,
                                 blendMode == SkBlendMode::kSrcOut);
         return;
@@ -1929,12 +1897,12 @@
         int resourceID = addXObjectResource(dst.get());
         if (blendMode == SkBlendMode::kModulate) {
             drawFormXObjectWithMask(addXObjectResource(srcFormXObject.get()),
-                                    std::move(dst), &fExistingClipStack,
+                                    std::move(dst), fExistingClipStack,
                                     SkBlendMode::kSrcOver, false);
             mode = SkBlendMode::kMultiply;
         }
         drawFormXObjectWithMask(resourceID, std::move(srcFormXObject),
-                                &fExistingClipStack, mode,
+                                fExistingClipStack, mode,
                                 blendMode == SkBlendMode::kDstOut);
         return;
     }
@@ -1986,9 +1954,7 @@
 
             // PDF doesn't support kClamp_TileMode, so we simulate it by making
             // a pattern the size of the current clip.
-            SkRect clipStackBounds = clipStack.bounds(this->getGlobalBounds());
-            SkIPoint deviceOrigin = this->getOrigin();
-            clipStackBounds.offset(-deviceOrigin.x(), -deviceOrigin.y());
+            SkRect clipStackBounds = clipStack.bounds(size(*this));
 
             // We need to apply the initial transform to bounds in order to get
             // bounds in a consistent coordinate system.
@@ -2095,7 +2061,7 @@
 
 ////////////////////////////////////////////////////////////////////////////////
 void SkPDFDevice::internalDrawImage(const SkMatrix& origMatrix,
-                                    const SkClipStack* clipStack,
+                                    const SkClipStack& clipStack,
                                     SkImageSubset imageSubset,
                                     const SkPaint& paint) {
     if (imageSubset.dimensions().isZero()) {
@@ -2237,8 +2203,8 @@
 #include "SkSpecialImage.h"
 #include "SkImageFilter.h"
 
-void SkPDFDevice::drawSpecial(const SkDraw& draw, SkSpecialImage* srcImg, int x, int y,
-                                 const SkPaint& paint) {
+void SkPDFDevice::drawSpecial(SkSpecialImage* srcImg, int x, int y,
+                              const SkPaint& paint) {
     SkASSERT(!srcImg->isTextureBacked());
 
     SkBitmap resultBM;
@@ -2246,10 +2212,10 @@
     SkImageFilter* filter = paint.getImageFilter();
     if (filter) {
         SkIPoint offset = SkIPoint::Make(0, 0);
-        SkMatrix matrix = *draw.fMatrix;
+        SkMatrix matrix = this->ctm();
         matrix.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y));
         const SkIRect clipBounds =
-            draw.fClipStack->bounds(this->imageInfo().bounds()).roundOut().makeOffset(-x, -y);
+            this->cs().bounds(this->imageInfo().bounds()).roundOut().makeOffset(-x, -y);
         sk_sp<SkImageFilterCache> cache(this->getImageFilterCache());
         // TODO: Should PDF be operating in a specified color space? For now, run the filter
         // in the same color space as the source (this is different from all other backends).
@@ -2261,12 +2227,12 @@
             SkPaint tmpUnfiltered(paint);
             tmpUnfiltered.setImageFilter(nullptr);
             if (resultImg->getROPixels(&resultBM)) {
-                this->drawSprite(draw, resultBM, x + offset.x(), y + offset.y(), tmpUnfiltered);
+                this->drawSprite(resultBM, x + offset.x(), y + offset.y(), tmpUnfiltered);
             }
         }
     } else {
         if (srcImg->getROPixels(&resultBM)) {
-            this->drawSprite(draw, resultBM, x, y, paint);
+            this->drawSprite(resultBM, x, y, paint);
         }
     }
 }
diff --git a/src/pdf/SkPDFDevice.h b/src/pdf/SkPDFDevice.h
index 428e4ad..176b8ed 100644
--- a/src/pdf/SkPDFDevice.h
+++ b/src/pdf/SkPDFDevice.h
@@ -79,46 +79,44 @@
      and are handling any looping from the paint, and any effects from the
      DrawFilter.
      */
-    void drawPaint(const SkDraw&, const SkPaint& paint) override;
-    void drawPoints(const SkDraw&, SkCanvas::PointMode mode,
+    void drawPaint(const SkPaint& paint) override;
+    void drawPoints(SkCanvas::PointMode mode,
                     size_t count, const SkPoint[],
                     const SkPaint& paint) override;
-    void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint) override;
-    void drawOval(const SkDraw&, const SkRect& oval, const SkPaint& paint) override;
-    void drawRRect(const SkDraw&, const SkRRect& rr, const SkPaint& paint) override;
-    void drawPath(const SkDraw&, const SkPath& origpath,
+    void drawRect(const SkRect& r, const SkPaint& paint) override;
+    void drawOval(const SkRect& oval, const SkPaint& paint) override;
+    void drawRRect(const SkRRect& rr, const SkPaint& paint) override;
+    void drawPath(const SkPath& origpath,
                   const SkPaint& paint, const SkMatrix* prePathMatrix,
                   bool pathIsMutable) override;
-    void drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap, const SkRect* src,
+    void drawBitmapRect(const SkBitmap& bitmap, const SkRect* src,
                         const SkRect& dst, const SkPaint&, SkCanvas::SrcRectConstraint) override;
-    void drawBitmap(const SkDraw&, const SkBitmap& bitmap,
+    void drawBitmap(const SkBitmap& bitmap,
                     const SkMatrix& matrix, const SkPaint&) override;
-    void drawSprite(const SkDraw&, const SkBitmap& bitmap, int x, int y,
+    void drawSprite(const SkBitmap& bitmap, int x, int y,
                     const SkPaint& paint) override;
-    void drawImage(const SkDraw&,
-                   const SkImage*,
+    void drawImage(const SkImage*,
                    SkScalar x,
                    SkScalar y,
                    const SkPaint&) override;
-    void drawImageRect(const SkDraw&,
-                       const SkImage*,
+    void drawImageRect(const SkImage*,
                        const SkRect* src,
                        const SkRect& dst,
                        const SkPaint&,
                        SkCanvas::SrcRectConstraint) override;
-    void drawText(const SkDraw&, const void* text, size_t len,
+    void drawText(const void* text, size_t len,
                   SkScalar x, SkScalar y, const SkPaint&) override;
-    void drawPosText(const SkDraw&, const void* text, size_t len,
+    void drawPosText(const void* text, size_t len,
                      const SkScalar pos[], int scalarsPerPos,
                      const SkPoint& offset, const SkPaint&) override;
-    void drawTextBlob(const SkDraw&, const SkTextBlob*, SkScalar x, SkScalar y,
+    void drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y,
                       const SkPaint &, SkDrawFilter*) override;
-    void drawVertices(const SkDraw&, SkCanvas::VertexMode,
+    void drawVertices(SkCanvas::VertexMode,
                       int vertexCount, const SkPoint verts[],
                       const SkPoint texs[], const SkColor colors[],
                       SkBlendMode, const uint16_t indices[],
                       int indexCount, const SkPaint& paint) override;
-    void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
+    void drawDevice(SkBaseDevice*, int x, int y,
                     const SkPaint&) override;
 
     // PDF specific methods.
@@ -174,9 +172,9 @@
 protected:
     sk_sp<SkSurface> makeSurface(const SkImageInfo&, const SkSurfaceProps&) override;
 
-    void drawAnnotation(const SkDraw&, const SkRect&, const char key[], SkData* value) override;
+    void drawAnnotation(const SkRect&, const char key[], SkData* value) override;
 
-    void drawSpecial(const SkDraw&, SkSpecialImage*, int x, int y, const SkPaint&) override;
+    void drawSpecial(SkSpecialImage*, int x, int y, const SkPaint&) override;
     sk_sp<SkSpecialImage> makeSpecial(const SkBitmap&) override;
     sk_sp<SkSpecialImage> makeSpecial(const SkImage*) override;
     sk_sp<SkSpecialImage> snapSpecial() override;
@@ -242,7 +240,7 @@
 
     void drawFormXObjectWithMask(int xObjectIndex,
                                  sk_sp<SkPDFObject> mask,
-                                 const SkClipStack* clipStack,
+                                 const SkClipStack& clipStack,
                                  SkBlendMode,
                                  bool invertClip);
 
@@ -250,7 +248,7 @@
     // returns nullptr and does not create a content entry.
     // setUpContentEntry and finishContentEntry can be used directly, but
     // the preferred method is to use the ScopedContentEntry helper class.
-    ContentEntry* setUpContentEntry(const SkClipStack* clipStack,
+    ContentEntry* setUpContentEntry(const SkClipStack& clipStack,
                                     const SkMatrix& matrix,
                                     const SkPaint& paint,
                                     bool hasText,
@@ -269,22 +267,27 @@
     int getFontResourceIndex(SkTypeface* typeface, uint16_t glyphID);
 
 
-    void internalDrawText(const SkDraw&, const void*, size_t, const SkScalar pos[],
+    void internalDrawText( const void*, size_t, const SkScalar pos[],
                           SkTextBlob::GlyphPositioning, SkPoint, const SkPaint&,
                           const uint32_t*, uint32_t, const char*);
 
     void internalDrawPaint(const SkPaint& paint, ContentEntry* contentEntry);
 
     void internalDrawImage(const SkMatrix& origMatrix,
-                           const SkClipStack* clipStack,
+                           const SkClipStack& clipStack,
                            SkImageSubset imageSubset,
                            const SkPaint& paint);
 
-    bool handleInversePath(const SkDraw& d, const SkPath& origPath,
+    void internalDrawPath(const SkClipStack&,
+                          const SkMatrix&,
+                          const SkPath&,
+                          const SkPaint&,
+                          const SkMatrix* prePathMatrix,
+                          bool pathIsMutable);
+
+    bool handleInversePath(const SkPath& origPath,
                            const SkPaint& paint, bool pathIsMutable,
                            const SkMatrix* prePathMatrix = nullptr);
-    void handlePointAnnotation(const SkPoint&, const SkMatrix&, const char key[], SkData* value);
-    void handleRectAnnotation(const SkRect&, const SkDraw& d, const char key[], SkData* value);
 
     typedef SkClipStackDevice INHERITED;
 
diff --git a/src/svg/SkSVGDevice.cpp b/src/svg/SkSVGDevice.cpp
index 360bb07..7ce6164 100644
--- a/src/svg/SkSVGDevice.cpp
+++ b/src/svg/SkSVGDevice.cpp
@@ -278,14 +278,9 @@
     const SkMatrix* fMatrix;
     const SkClipStack*  fClipStack;
 
-    MxCp(SkSVGDevice* device, const SkDraw& draw) {
-#ifdef SK_USE_DEVICE_CLIPPING
+    MxCp(SkSVGDevice* device) {
         fMatrix = &device->ctm();
         fClipStack = &device->cs();
-#else
-        fMatrix = draw.fMatrix;
-        fClipStack = draw.fClipStack;
-#endif
     }
 };
 
@@ -607,13 +602,13 @@
 SkSVGDevice::~SkSVGDevice() {
 }
 
-void SkSVGDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) {
-    AutoElement rect("rect", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+void SkSVGDevice::drawPaint(const SkPaint& paint) {
+    AutoElement rect("rect", fWriter, fResourceBucket.get(), MxCp(this), paint);
     rect.addRectAttributes(SkRect::MakeWH(SkIntToScalar(this->width()),
                                           SkIntToScalar(this->height())));
 }
 
-void SkSVGDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode, size_t count,
+void SkSVGDevice::drawPoints(SkCanvas::PointMode mode, size_t count,
                              const SkPoint pts[], const SkPaint& paint) {
     SkPath path;
 
@@ -628,7 +623,7 @@
                 path.rewind();
                 path.moveTo(pts[i]);
                 path.lineTo(pts[i+1]);
-                AutoElement elem("path", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+                AutoElement elem("path", fWriter, fResourceBucket.get(), MxCp(this), paint);
                 elem.addPathAttributes(path);
             }
             break;
@@ -636,37 +631,37 @@
             if (count > 1) {
                 path.addPoly(pts, SkToInt(count), false);
                 path.moveTo(pts[0]);
-                AutoElement elem("path", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+                AutoElement elem("path", fWriter, fResourceBucket.get(), MxCp(this), paint);
                 elem.addPathAttributes(path);
             }
             break;
     }
 }
 
-void SkSVGDevice::drawRect(const SkDraw& draw, const SkRect& r, const SkPaint& paint) {
-    AutoElement rect("rect", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+void SkSVGDevice::drawRect(const SkRect& r, const SkPaint& paint) {
+    AutoElement rect("rect", fWriter, fResourceBucket.get(), MxCp(this), paint);
     rect.addRectAttributes(r);
 }
 
-void SkSVGDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint& paint) {
-    AutoElement ellipse("ellipse", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+void SkSVGDevice::drawOval(const SkRect& oval, const SkPaint& paint) {
+    AutoElement ellipse("ellipse", fWriter, fResourceBucket.get(), MxCp(this), paint);
     ellipse.addAttribute("cx", oval.centerX());
     ellipse.addAttribute("cy", oval.centerY());
     ellipse.addAttribute("rx", oval.width() / 2);
     ellipse.addAttribute("ry", oval.height() / 2);
 }
 
-void SkSVGDevice::drawRRect(const SkDraw& draw, const SkRRect& rr, const SkPaint& paint) {
+void SkSVGDevice::drawRRect(const SkRRect& rr, const SkPaint& paint) {
     SkPath path;
     path.addRRect(rr);
 
-    AutoElement elem("path", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+    AutoElement elem("path", fWriter, fResourceBucket.get(), MxCp(this), paint);
     elem.addPathAttributes(path);
 }
 
-void SkSVGDevice::drawPath(const SkDraw& draw, const SkPath& path, const SkPaint& paint,
+void SkSVGDevice::drawPath(const SkPath& path, const SkPaint& paint,
                            const SkMatrix* prePathMatrix, bool pathIsMutable) {
-    AutoElement elem("path", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+    AutoElement elem("path", fWriter, fResourceBucket.get(), MxCp(this), paint);
     elem.addPathAttributes(path);
 
     // TODO: inverse fill types?
@@ -711,9 +706,9 @@
     }
 }
 
-void SkSVGDevice::drawBitmap(const SkDraw& draw, const SkBitmap& bitmap,
+void SkSVGDevice::drawBitmap(const SkBitmap& bitmap,
                              const SkMatrix& matrix, const SkPaint& paint) {
-    MxCp mc(this, draw);
+    MxCp mc(this);
     SkMatrix adjustedMatrix = *mc.fMatrix;
     adjustedMatrix.preConcat(matrix);
     mc.fMatrix = &adjustedMatrix;
@@ -721,9 +716,9 @@
     drawBitmapCommon(mc, bitmap, paint);
 }
 
-void SkSVGDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap,
+void SkSVGDevice::drawSprite(const SkBitmap& bitmap,
                              int x, int y, const SkPaint& paint) {
-    MxCp mc(this, draw);
+    MxCp mc(this);
     SkMatrix adjustedMatrix = *mc.fMatrix;
     adjustedMatrix.preTranslate(SkIntToScalar(x), SkIntToScalar(y));
     mc.fMatrix = &adjustedMatrix;
@@ -731,10 +726,10 @@
     drawBitmapCommon(mc, bitmap, paint);
 }
 
-void SkSVGDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bm, const SkRect* srcOrNull,
+void SkSVGDevice::drawBitmapRect(const SkBitmap& bm, const SkRect* srcOrNull,
                                  const SkRect& dst, const SkPaint& paint,
                                  SkCanvas::SrcRectConstraint) {
-    MxCp mc(this, draw);
+    MxCp mc(this);
 
     SkClipStack adjustedClipStack;
     if (srcOrNull && *srcOrNull != SkRect::Make(bm.bounds())) {
@@ -754,9 +749,9 @@
     drawBitmapCommon(mc, bm, paint);
 }
 
-void SkSVGDevice::drawText(const SkDraw& draw, const void* text, size_t len,
+void SkSVGDevice::drawText(const void* text, size_t len,
                            SkScalar x, SkScalar y, const SkPaint& paint) {
-    AutoElement elem("text", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+    AutoElement elem("text", fWriter, fResourceBucket.get(), MxCp(this), paint);
     elem.addTextAttributes(paint);
 
     SVGTextBuilder builder(text, len, paint, SkPoint::Make(x, y), 0);
@@ -765,12 +760,12 @@
     elem.addText(builder.text());
 }
 
-void SkSVGDevice::drawPosText(const SkDraw& draw, const void* text, size_t len,
+void SkSVGDevice::drawPosText(const void* text, size_t len,
                               const SkScalar pos[], int scalarsPerPos, const SkPoint& offset,
                               const SkPaint& paint) {
     SkASSERT(scalarsPerPos == 1 || scalarsPerPos == 2);
 
-    AutoElement elem("text", fWriter, fResourceBucket.get(), MxCp(this, draw), paint);
+    AutoElement elem("text", fWriter, fResourceBucket.get(), MxCp(this), paint);
     elem.addTextAttributes(paint);
 
     SVGTextBuilder builder(text, len, paint, offset, scalarsPerPos, pos);
@@ -779,7 +774,7 @@
     elem.addText(builder.text());
 }
 
-void SkSVGDevice::drawTextOnPath(const SkDraw&, const void* text, size_t len, const SkPath& path,
+void SkSVGDevice::drawTextOnPath(const void* text, size_t len, const SkPath& path,
                                  const SkMatrix* matrix, const SkPaint& paint) {
     SkString pathID = fResourceBucket->addPath();
 
@@ -816,7 +811,7 @@
     }
 }
 
-void SkSVGDevice::drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount,
+void SkSVGDevice::drawVertices(SkCanvas::VertexMode, int vertexCount,
                                const SkPoint verts[], const SkPoint texs[],
                                const SkColor colors[], SkBlendMode,
                                const uint16_t indices[], int indexCount,
@@ -825,7 +820,7 @@
     SkDebugf("unsupported operation: drawVertices()\n");
 }
 
-void SkSVGDevice::drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
+void SkSVGDevice::drawDevice(SkBaseDevice*, int x, int y,
                              const SkPaint&) {
     // todo
     SkDebugf("unsupported operation: drawDevice()\n");
diff --git a/src/svg/SkSVGDevice.h b/src/svg/SkSVGDevice.h
index 106537e..78f4cea 100644
--- a/src/svg/SkSVGDevice.h
+++ b/src/svg/SkSVGDevice.h
@@ -18,40 +18,40 @@
     static SkBaseDevice* Create(const SkISize& size, SkXMLWriter* writer);
 
 protected:
-    void drawPaint(const SkDraw&, const SkPaint& paint) override;
-    void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count,
+    void drawPaint(const SkPaint& paint) override;
+    void drawPoints(SkCanvas::PointMode mode, size_t count,
                     const SkPoint[], const SkPaint& paint) override;
-    void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint) override;
-    void drawOval(const SkDraw&, const SkRect& oval, const SkPaint& paint) override;
-    void drawRRect(const SkDraw&, const SkRRect& rr, const SkPaint& paint) override;
-    void drawPath(const SkDraw&, const SkPath& path,
+    void drawRect(const SkRect& r, const SkPaint& paint) override;
+    void drawOval(const SkRect& oval, const SkPaint& paint) override;
+    void drawRRect(const SkRRect& rr, const SkPaint& paint) override;
+    void drawPath(const SkPath& path,
                   const SkPaint& paint,
                   const SkMatrix* prePathMatrix = nullptr,
                   bool pathIsMutable = false) override;
 
-    void drawBitmap(const SkDraw&, const SkBitmap& bitmap,
+    void drawBitmap(const SkBitmap& bitmap,
                     const SkMatrix& matrix, const SkPaint& paint) override;
-    void drawSprite(const SkDraw&, const SkBitmap& bitmap,
+    void drawSprite(const SkBitmap& bitmap,
                     int x, int y, const SkPaint& paint) override;
-    void drawBitmapRect(const SkDraw&, const SkBitmap&,
+    void drawBitmapRect(const SkBitmap&,
                         const SkRect* srcOrNull, const SkRect& dst,
                         const SkPaint& paint, SkCanvas::SrcRectConstraint) override;
 
-    void drawText(const SkDraw&, const void* text, size_t len,
+    void drawText(const void* text, size_t len,
                   SkScalar x, SkScalar y, const SkPaint& paint) override;
-    void drawPosText(const SkDraw&, const void* text, size_t len,
+    void drawPosText(const void* text, size_t len,
                      const SkScalar pos[], int scalarsPerPos,
                      const SkPoint& offset, const SkPaint& paint) override;
-    void drawTextOnPath(const SkDraw&, const void* text, size_t len,
+    void drawTextOnPath(const void* text, size_t len,
                         const SkPath& path, const SkMatrix* matrix,
                         const SkPaint& paint) override;
-    void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount,
+    void drawVertices(SkCanvas::VertexMode, int vertexCount,
                       const SkPoint verts[], const SkPoint texs[],
                       const SkColor colors[], SkBlendMode,
                       const uint16_t indices[], int indexCount,
                       const SkPaint& paint) override;
 
-    void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
+    void drawDevice(SkBaseDevice*, int x, int y,
                     const SkPaint&) override;
 
 private:
diff --git a/src/utils/SkCanvasStateUtils.cpp b/src/utils/SkCanvasStateUtils.cpp
index a78f343..0c50bad 100644
--- a/src/utils/SkCanvasStateUtils.cpp
+++ b/src/utils/SkCanvasStateUtils.cpp
@@ -130,28 +130,6 @@
 
 ////////////////////////////////////////////////////////////////////////////////
 
-class ClipValidator : public SkCanvas::ClipVisitor {
-public:
-    ClipValidator() : fFailed(false) {}
-    bool failed() { return fFailed; }
-
-    // ClipVisitor
-    void clipRect(const SkRect& rect, SkClipOp op, bool antialias) override {
-        fFailed |= antialias;
-    }
-
-    void clipRRect(const SkRRect& rrect, SkClipOp op, bool antialias) override {
-        fFailed |= antialias;
-    }
-
-    void clipPath(const SkPath&, SkClipOp, bool antialias) override {
-        fFailed |= antialias;
-    }
-
-private:
-    bool fFailed;
-};
-
 static void setup_MC_state(SkMCState* state, const SkMatrix& matrix, const SkRegion& clip) {
     // initialize the struct
     state->clipRectCount = 0;
@@ -193,9 +171,7 @@
     SkASSERT(canvas);
 
     // Check the clip can be decomposed into rectangles (i.e. no soft clips).
-    ClipValidator validator;
-    canvas->replayClips(&validator);
-    if (validator.failed()) {
+    if (canvas->androidFramework_isClipAA()) {
         return nullptr;
     }
 
@@ -246,7 +222,9 @@
         layerState->raster.rowBytes = pmap.rowBytes();
         layerState->raster.pixels = pmap.writable_addr();
 
-        setup_MC_state(&layerState->mcState, layer.matrix(), layer.clip().bwRgn());
+        SkRegion rgn;
+        layer.clip(&rgn);
+        setup_MC_state(&layerState->mcState, layer.matrix(), rgn);
         layerCount++;
     }
 
diff --git a/src/xps/SkXPSDevice.cpp b/src/xps/SkXPSDevice.cpp
index bf93302..514c933 100644
--- a/src/xps/SkXPSDevice.cpp
+++ b/src/xps/SkXPSDevice.cpp
@@ -1139,23 +1139,34 @@
     return S_OK;
 }
 
-void SkXPSDevice::drawPoints(const SkDraw& d, SkCanvas::PointMode mode,
+template <typename F, typename... Args>
+void draw(SkClipStackDevice* dev, F f, Args&&... args) {
+    SkIRect r = dev->devClipBounds();
+    SkRasterClip rc(r);
+    SkDraw draw;
+    draw.fMatrix = &dev->ctm();
+    draw.fDst = SkPixmap(SkImageInfo::MakeUnknown(r.right(), r.bottom()), nullptr, 0);
+    draw.fRC = &rc;
+    (draw.*f)(std::forward<Args>(args)...);
+}
+
+
+void SkXPSDevice::drawPoints(SkCanvas::PointMode mode,
                              size_t count, const SkPoint points[],
                              const SkPaint& paint) {
-    //This will call back into the device to do the drawing.
-    d.drawPoints(mode, count, points, paint, this);
+    draw(this, &SkDraw::drawPoints, mode, count, points, paint, this);
 }
 
-void SkXPSDevice::drawVertices(const SkDraw&, SkCanvas::VertexMode,
+void SkXPSDevice::drawVertices(SkCanvas::VertexMode vertexMode,
                                int vertexCount, const SkPoint verts[],
                                const SkPoint texs[], const SkColor colors[],
-                               SkBlendMode, const uint16_t indices[],
+                               SkBlendMode blendMode, const uint16_t indices[],
                                int indexCount, const SkPaint& paint) {
-    //TODO: override this for XPS
-    SkDEBUGF(("XPS drawVertices not yet implemented."));
+    draw(this, &SkDraw::drawVertices, vertexMode, vertexCount, verts, texs, colors,
+         blendMode, indices, indexCount, paint);
 }
 
-void SkXPSDevice::drawPaint(const SkDraw& d, const SkPaint& origPaint) {
+void SkXPSDevice::drawPaint(const SkPaint& origPaint) {
     const SkRect r = SkRect::MakeSize(this->fCurrentCanvasSize);
 
     //If trying to paint with a stroke, ignore that and fill.
@@ -1165,39 +1176,38 @@
         paint.writable()->setStyle(SkPaint::kFill_Style);
     }
 
-    this->internalDrawRect(d, r, false, *fillPaint);
+    this->internalDrawRect(r, false, *fillPaint);
 }
 
-void SkXPSDevice::drawRect(const SkDraw& d,
-                           const SkRect& r,
+void SkXPSDevice::drawRect(const SkRect& r,
                            const SkPaint& paint) {
-    this->internalDrawRect(d, r, true, paint);
+    this->internalDrawRect(r, true, paint);
 }
 
-void SkXPSDevice::drawRRect(const SkDraw& d,
-                            const SkRRect& rr,
+void SkXPSDevice::drawRRect(const SkRRect& rr,
                             const SkPaint& paint) {
     SkPath path;
     path.addRRect(rr);
-    this->drawPath(d, path, paint, nullptr, true);
+    this->drawPath(path, paint, nullptr, true);
 }
 
-void SkXPSDevice::internalDrawRect(const SkDraw& d,
-                                   const SkRect& r,
+static SkIRect size(const SkBaseDevice& dev) { return {0, 0, dev.width(), dev.height()}; }
+
+void SkXPSDevice::internalDrawRect(const SkRect& r,
                                    bool transformRect,
                                    const SkPaint& paint) {
     //Exit early if there is nothing to draw.
-    if (d.fRC->isEmpty() ||
+    if (this->cs().isEmpty(size(*this)) ||
         (paint.getAlpha() == 0 && paint.isSrcOver())) {
         return;
     }
 
     //Path the rect if we can't optimize it.
-    if (rect_must_be_pathed(paint, *d.fMatrix)) {
+    if (rect_must_be_pathed(paint, this->ctm())) {
         SkPath tmp;
         tmp.addRect(r);
         tmp.setFillType(SkPath::kWinding_FillType);
-        this->drawPath(d, tmp, paint, nullptr, true);
+        this->drawPath(tmp, paint, nullptr, true);
         return;
     }
 
@@ -1218,13 +1228,13 @@
     //Set the brushes.
     BOOL fill = FALSE;
     BOOL stroke = FALSE;
-    HRV(this->shadePath(shadedPath.get(), paint, *d.fMatrix, &fill, &stroke));
+    HRV(this->shadePath(shadedPath.get(), paint, this->ctm(), &fill, &stroke));
 
     bool xpsTransformsPath = true;
     //Transform the geometry.
     if (transformRect && xpsTransformsPath) {
         SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform;
-        HRV(this->createXpsTransform(*d.fMatrix, &xpsTransform));
+        HRV(this->createXpsTransform(this->ctm(), &xpsTransform));
         if (xpsTransform.get()) {
             HRVM(shadedGeometry->SetTransformLocal(xpsTransform.get()),
                  "Could not set transform for rect.");
@@ -1243,7 +1253,7 @@
             { r.fRight, r.fTop },
         };
         if (!xpsTransformsPath && transformRect) {
-            d.fMatrix->mapPoints(points, SK_ARRAY_COUNT(points));
+            this->ctm().mapPoints(points, SK_ARRAY_COUNT(points));
         }
         HRV(this->createXpsQuad(points, stroke, fill, &rectFigure));
     }
@@ -1257,7 +1267,7 @@
     HRVM(shadedFigures->Append(rectFigure.get()),
          "Could not add shaded figure for rect.");
 
-    HRV(this->clip(shadedPath.get(), d));
+    HRV(this->clip(shadedPath.get()));
 
     //Add the shaded path to the current visuals.
     SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals;
@@ -1394,8 +1404,7 @@
     clipRect.roundOut(clipIRect);
 }
 
-HRESULT SkXPSDevice::applyMask(const SkDraw& d,
-                               const SkMask& mask,
+HRESULT SkXPSDevice::applyMask(const SkMask& mask,
                                const SkVector& ppuScale,
                                IXpsOMPath* shadedPath) {
     //Get the geometry object.
@@ -1434,7 +1443,7 @@
     HRM(shadedFigures->Append(shadedFigure.get()),
         "Could not add mask shaded figure.");
 
-    HR(this->clip(shadedPath, d));
+    HR(this->clip(shadedPath));
 
     //Add the path to the active visual collection.
     SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals;
@@ -1494,15 +1503,14 @@
     return S_OK;
 }
 
-void SkXPSDevice::drawPath(const SkDraw& d,
-                           const SkPath& platonicPath,
+void SkXPSDevice::drawPath(const SkPath& platonicPath,
                            const SkPaint& origPaint,
                            const SkMatrix* prePathMatrix,
                            bool pathIsMutable) {
     SkTCopyOnFirstWrite<SkPaint> paint(origPaint);
 
     // nothing to draw
-    if (d.fRC->isEmpty() ||
+    if (this->cs().isEmpty(size(*this)) ||
         (paint->getAlpha() == 0 && paint->isSrcOver())) {
         return;
     }
@@ -1512,7 +1520,7 @@
                                  || paint->getStyle() != SkPaint::kFill_Style;
 
     //Apply pre-path matrix [Platonic-path -> Skeletal-path].
-    SkMatrix matrix = *d.fMatrix;
+    SkMatrix matrix = this->ctm();
     SkPath* skeletalPath = const_cast<SkPath*>(&platonicPath);
     if (prePathMatrix) {
         if (paintHasPathEffect || paint->getRasterizer()) {
@@ -1574,7 +1582,7 @@
     BOOL stroke;
     HRV(this->shadePath(shadedPath.get(),
                         *paint,
-                        *d.fMatrix,
+                        this->ctm(),
                         &fill,
                         &stroke));
 
@@ -1585,7 +1593,7 @@
         this->convertToPpm(filter,
                            &matrix,
                            &ppuScale,
-                           d.fRC->getBounds(),
+                           this->cs().bounds(size(*this)).roundOut(),
                            &clipIRect);
 
         SkMask* mask = nullptr;
@@ -1605,13 +1613,13 @@
 
             //[Mask -> Mask]
             SkMask filteredMask;
-            if (filter && filter->filterMask(&filteredMask, *mask, *d.fMatrix, nullptr)) {
+            if (filter && filter->filterMask(&filteredMask, *mask, this->ctm(), nullptr)) {
                 mask = &filteredMask;
             }
             SkAutoMaskFreeImage filteredAmi(filteredMask.fImage);
 
             //Draw mask.
-            HRV(this->applyMask(d, *mask, ppuScale, shadedPath.get()));
+            HRV(this->applyMask(*mask, ppuScale, shadedPath.get()));
         }
         return;
     }
@@ -1623,7 +1631,7 @@
         this->convertToPpm(filter,
                            &matrix,
                            &ppuScale,
-                           d.fRC->getBounds(),
+                           this->cs().bounds(size(*this)).roundOut(),
                            &clipIRect);
 
         //[Fillable-path -> Pixel-path]
@@ -1659,7 +1667,7 @@
             SkAutoMaskFreeImage filteredAmi(filteredMask.fImage);
 
             //Draw mask.
-            HRV(this->applyMask(d, *mask, ppuScale, shadedPath.get()));
+            HRV(this->applyMask(*mask, ppuScale, shadedPath.get()));
         }
         return;
     }
@@ -1734,7 +1742,7 @@
     HRV(this->addXpsPathGeometry(shadedFigures.get(),
                                  stroke, fill, *devicePath));
 
-    HRV(this->clip(shadedPath.get(), d));
+    HRV(this->clip(shadedPath.get()));
 
     //Add the path to the active visual collection.
     SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals;
@@ -1744,16 +1752,10 @@
          "Could not add shaded path to current visuals.");
 }
 
-HRESULT SkXPSDevice::clip(IXpsOMVisual* xpsVisual, const SkDraw& d) {
+HRESULT SkXPSDevice::clip(IXpsOMVisual* xpsVisual) {
     SkPath clipPath;
-    if (d.fRC->isBW()) {
-        SkAssertResult(d.fRC->bwRgn().getBoundaryPath(&clipPath));
-    } else {
-        // Don't have a way to turn a AAClip into a path, so we just use the bounds.
-        // TODO: consider using fClipStack instead?
-        clipPath.addRect(SkRect::Make(d.fRC->getBounds()));
-    }
-
+    // clipPath.addRect(this->cs().bounds(size(*this)));
+    (void)this->cs().asPath(&clipPath);
     return this->clipToPath(xpsVisual, clipPath, XPS_FILL_RULE_EVENODD);
 }
 HRESULT SkXPSDevice::clipToPath(IXpsOMVisual* xpsVisual,
@@ -1782,9 +1784,9 @@
     return S_OK;
 }
 
-void SkXPSDevice::drawBitmap(const SkDraw& d, const SkBitmap& bitmap,
+void SkXPSDevice::drawBitmap(const SkBitmap& bitmap,
                              const SkMatrix& matrix, const SkPaint& paint) {
-    if (d.fRC->isEmpty()) {
+    if (this->cs().isEmpty(size(*this))) {
         return;
     }
 
@@ -1811,7 +1813,7 @@
          "Could not get the figures for bitmap.");
 
     SkMatrix transform = matrix;
-    transform.postConcat(*d.fMatrix);
+    transform.postConcat(this->ctm());
 
     SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform;
     HRV(this->createXpsTransform(transform, &xpsTransform));
@@ -1851,12 +1853,10 @@
     HRVM(currentVisuals->Append(shadedPath.get()),
          "Could not add bitmap to current visuals.");
 
-    HRV(this->clip(shadedPath.get(), d));
+    HRV(this->clip(shadedPath.get()));
 }
 
-void SkXPSDevice::drawSprite(const SkDraw&, const SkBitmap& bitmap,
-                             int x, int y,
-                             const SkPaint& paint) {
+void SkXPSDevice::drawSprite(const SkBitmap& bitmap, int x, int y, const SkPaint& paint) {
     //TODO: override this for XPS
     SkDEBUGF(("XPS drawSprite not yet implemented."));
 }
@@ -1929,8 +1929,7 @@
     return S_OK;
 }
 
-HRESULT SkXPSDevice::AddGlyphs(const SkDraw& d,
-                               IXpsOMObjectFactory* xpsFactory,
+HRESULT SkXPSDevice::AddGlyphs(IXpsOMObjectFactory* xpsFactory,
                                IXpsOMCanvas* canvas,
                                TypefaceUse* font,
                                LPCWSTR text,
@@ -2001,7 +2000,7 @@
     HRM(canvas->GetVisuals(&visuals), "Could not get glyph canvas visuals.");
 
     if (!useCanvasForClip) {
-        HR(this->clip(glyphs.get(), d));
+        HR(this->clip(glyphs.get()));
         HRM(visuals->Append(glyphs.get()), "Could not add glyphs to canvas.");
     } else {
         SkTScopedComPtr<IXpsOMCanvas> glyphCanvas;
@@ -2014,7 +2013,7 @@
 
         HRM(glyphCanvasVisuals->Append(glyphs.get()),
             "Could not add glyphs to page.");
-        HR(this->clip(glyphCanvas.get(), d));
+        HR(this->clip(glyphCanvas.get()));
 
         HRM(visuals->Append(glyphCanvas.get()),
             "Could not add glyph canvas to page.");
@@ -2091,16 +2090,15 @@
     GlyphRun* const fXpsGlyphs;
 };
 
-void SkXPSDevice::drawText(const SkDraw& d,
-                           const void* text, size_t byteLen,
+void SkXPSDevice::drawText(const void* text, size_t byteLen,
                            SkScalar x, SkScalar y,
                            const SkPaint& paint) {
     if (byteLen < 1) return;
 
-    if (text_must_be_pathed(paint, *d.fMatrix)) {
+    if (text_must_be_pathed(paint, this->ctm())) {
         SkPath path;
         paint.getTextPath(text, byteLen, x, y, &path);
-        this->drawPath(d, path, paint, nullptr, true);
+        this->drawPath(path, paint, nullptr, true);
         //TODO: add automation "text"
         return;
     }
@@ -2137,8 +2135,7 @@
     xpsGlyphs[0].horizontalOffset = 0.0f;
     xpsGlyphs[0].verticalOffset = 0.0f;
 
-    HRV(AddGlyphs(d,
-                  this->fXpsFactory.get(),
+    HRV(AddGlyphs(this->fXpsFactory.get(),
                   this->fCurrentXpsCanvas.get(),
                   typeface,
                   nullptr,
@@ -2146,21 +2143,20 @@
                   &origin,
                   SkScalarToFLOAT(paint.getTextSize()),
                   XPS_STYLE_SIMULATION_NONE,
-                  *d.fMatrix,
+                  this->ctm(),
                   paint));
 }
 
-void SkXPSDevice::drawPosText(const SkDraw& d,
-                              const void* text, size_t byteLen,
+void SkXPSDevice::drawPosText(const void* text, size_t byteLen,
                               const SkScalar pos[], int scalarsPerPos,
                               const SkPoint& offset, const SkPaint& paint) {
     if (byteLen < 1) return;
 
-    if (text_must_be_pathed(paint, *d.fMatrix)) {
+    if (text_must_be_pathed(paint, this->ctm())) {
         SkPath path;
         //TODO: make this work, Draw currently does not handle as well.
         //paint.getTextPath(text, byteLength, x, y, &path);
-        //this->drawPath(d, path, paint, nullptr, true);
+        //this->drawPath(path, paint, nullptr, true);
         //TODO: add automation "text"
         return;
     }
@@ -2197,8 +2193,7 @@
     xpsGlyphs[0].horizontalOffset = 0.0f;
     xpsGlyphs[0].verticalOffset = 0.0f;
 
-    HRV(AddGlyphs(d,
-                  this->fXpsFactory.get(),
+    HRV(AddGlyphs(this->fXpsFactory.get(),
                   this->fCurrentXpsCanvas.get(),
                   typeface,
                   nullptr,
@@ -2206,24 +2201,18 @@
                   &origin,
                   SkScalarToFLOAT(paint.getTextSize()),
                   XPS_STYLE_SIMULATION_NONE,
-                  *d.fMatrix,
+                  this->ctm(),
                   paint));
 }
 
-void SkXPSDevice::drawDevice(const SkDraw& d, SkBaseDevice* dev,
+void SkXPSDevice::drawDevice( SkBaseDevice* dev,
                              int x, int y,
                              const SkPaint&) {
     SkXPSDevice* that = static_cast<SkXPSDevice*>(dev);
 
     SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform;
-    XPS_MATRIX rawTransform = {
-        1.0f,
-        0.0f,
-        0.0f,
-        1.0f,
-        static_cast<FLOAT>(x),
-        static_cast<FLOAT>(y),
-    };
+    // TODO(halcanary): assert that current transform is identity rather than calling setter.
+    XPS_MATRIX rawTransform = {1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f};
     HRVM(this->fXpsFactory->CreateMatrixTransform(&rawTransform, &xpsTransform),
          "Could not create layer transform.");
     HRVM(that->fCurrentXpsCanvas->SetTransformLocal(xpsTransform.get()),
@@ -2256,18 +2245,17 @@
     return dev;
 }
 
-void SkXPSDevice::drawOval(const SkDraw& d, const SkRect& o, const SkPaint& p) {
+void SkXPSDevice::drawOval( const SkRect& o, const SkPaint& p) {
     SkPath path;
     path.addOval(o);
-    this->drawPath(d, path, p, nullptr, true);
+    this->drawPath(path, p, nullptr, true);
 }
 
-void SkXPSDevice::drawBitmapRect(const SkDraw& draw,
-                                  const SkBitmap& bitmap,
-                                  const SkRect* src,
-                                  const SkRect& dst,
-                                  const SkPaint& paint,
-                                  SkCanvas::SrcRectConstraint constraint) {
+void SkXPSDevice::drawBitmapRect(const SkBitmap& bitmap,
+                                 const SkRect* src,
+                                 const SkRect& dst,
+                                 const SkPaint& paint,
+                                 SkCanvas::SrcRectConstraint constraint) {
     SkRect srcBounds = src ? *src : SkRect::Make(bitmap.bounds());
     SkMatrix matrix = SkMatrix::MakeRectToRect(srcBounds, dst, SkMatrix::kFill_ScaleToFit);
 
@@ -2279,6 +2267,6 @@
     SkPaint paintWithShader(paint);
     paintWithShader.setStyle(SkPaint::kFill_Style);
     paintWithShader.setShader(std::move(bitmapShader));
-    this->drawRect(draw, dst, paintWithShader);
+    this->drawRect(dst, paintWithShader);
 }
 #endif//defined(SK_BUILD_FOR_WIN32)
diff --git a/src/xps/SkXPSDevice.h b/src/xps/SkXPSDevice.h
index 0ad9939..a03b293 100644
--- a/src/xps/SkXPSDevice.h
+++ b/src/xps/SkXPSDevice.h
@@ -16,9 +16,10 @@
 #include <XpsObjectModel.h>
 
 #include "SkAutoCoInitialize.h"
-#include "SkBitmapDevice.h"
 #include "SkBitSet.h"
+#include "SkBitmapDevice.h"
 #include "SkCanvas.h"
+#include "SkClipStackDevice.h"
 #include "SkColor.h"
 #include "SkPaint.h"
 #include "SkPath.h"
@@ -35,7 +36,7 @@
 
     The drawing context for the XPS backend.
 */
-class SkXPSDevice : public SkBaseDevice {
+class SkXPSDevice : public SkClipStackDevice {
 public:
     SK_API SkXPSDevice(SkISize);
     SK_API virtual ~SkXPSDevice();
@@ -73,79 +74,39 @@
     bool endPortfolio();
 
 protected:
-    void drawPaint(const SkDraw&, const SkPaint& paint) override;
-
-    void drawPoints(
-        const SkDraw&,
-        SkCanvas::PointMode mode,
-        size_t count, const SkPoint[],
-        const SkPaint& paint) override;
-
-    void drawRect(
-        const SkDraw&,
-        const SkRect& r,
-        const SkPaint& paint) override;
-
-    void drawRRect(
-        const SkDraw&,
-        const SkRRect&,
-        const SkPaint& paint) override;
-
-    void drawPath(
-        const SkDraw&,
-        const SkPath& platonicPath,
-        const SkPaint& paint,
-        const SkMatrix* prePathMatrix,
-        bool pathIsMutable) override;
-
-    void drawBitmap(
-        const SkDraw&,
-        const SkBitmap& bitmap,
-        const SkMatrix& matrix,
-        const SkPaint& paint) override;
-
-    void drawSprite(
-        const SkDraw&,
-        const SkBitmap& bitmap,
-        int x, int y,
-        const SkPaint& paint) override;
-
-    void drawText(
-        const SkDraw&,
-        const void* text, size_t len,
-        SkScalar x, SkScalar y,
-        const SkPaint& paint) override;
-
-    void drawPosText(
-        const SkDraw&,
-        const void* text, size_t len,
-        const SkScalar pos[], int scalarsPerPos,
-        const SkPoint& offset, const SkPaint& paint) override;
-
-    void drawVertices(
-        const SkDraw&,
-        SkCanvas::VertexMode,
-        int vertexCount, const SkPoint verts[],
-        const SkPoint texs[], const SkColor colors[],
-        SkBlendMode,
-        const uint16_t indices[], int indexCount,
-        const SkPaint& paint) override;
-
-    void drawDevice(
-        const SkDraw&,
-        SkBaseDevice* device,
-        int x, int y,
-        const SkPaint& paint) override;
-
-    void drawOval(const SkDraw&, const SkRect&, const SkPaint&) override;
-
-    void drawBitmapRect(const SkDraw&,
-                        const SkBitmap&,
-                        const SkRect*,
-                        const SkRect&,
-                        const SkPaint&,
+    void drawPaint(const SkPaint& paint) override;
+    void drawPoints(SkCanvas::PointMode mode, size_t count,
+                    const SkPoint[], const SkPaint& paint) override;
+    void drawRect(const SkRect& r,
+                  const SkPaint& paint) override;
+    void drawOval(const SkRect& oval,
+                  const SkPaint& paint) override;
+    void drawRRect(const SkRRect& rr,
+                   const SkPaint& paint) override;
+    void drawPath(const SkPath& path,
+                  const SkPaint& paint,
+                  const SkMatrix* prePathMatrix = NULL,
+                  bool pathIsMutable = false) override;
+    void drawBitmap(const SkBitmap& bitmap,
+                    const SkMatrix& matrix, const SkPaint& paint) override;
+    void drawSprite(const SkBitmap& bitmap,
+                    int x, int y, const SkPaint& paint) override;
+    void drawBitmapRect(const SkBitmap&,
+                        const SkRect* srcOrNull, const SkRect& dst,
+                        const SkPaint& paint,
                         SkCanvas::SrcRectConstraint) override;
-
+    void drawText(const void* text, size_t len,
+                  SkScalar x, SkScalar y, const SkPaint& paint) override;
+    void drawPosText(const void* text, size_t len,
+                     const SkScalar pos[], int scalarsPerPos,
+                     const SkPoint& offset, const SkPaint& paint) override;
+    void drawVertices(SkCanvas::VertexMode, int vertexCount,
+                      const SkPoint verts[], const SkPoint texs[],
+                      const SkColor colors[], SkBlendMode,
+                      const uint16_t indices[], int indexCount,
+                      const SkPaint& paint) override;
+    void drawDevice(SkBaseDevice*, int x, int y,
+                    const SkPaint&) override;
 
 private:
     class TypefaceUse : ::SkNoncopyable {
@@ -198,7 +159,6 @@
         IXpsOMImageResource** image);
 
     void internalDrawRect(
-        const SkDraw&,
         const SkRect& r,
         bool transformRect,
         const SkPaint& paint);
@@ -257,7 +217,6 @@
         TypefaceUse** fontResource);
 
     HRESULT AddGlyphs(
-        const SkDraw& d,
         IXpsOMObjectFactory* xpsFactory,
         IXpsOMCanvas* canvas,
         TypefaceUse* font,
@@ -289,16 +248,14 @@
         const SkColor color,
         IXpsOMVisualCollection* visuals);
 
-    HRESULT clip(
-        IXpsOMVisual* xpsVisual,
-        const SkDraw& d);
+    HRESULT clip(IXpsOMVisual* xpsVisual);
+
     HRESULT clipToPath(
         IXpsOMVisual* xpsVisual,
         const SkPath& clipPath,
         XPS_FILL_RULE fillRule);
 
     HRESULT drawInverseWindingPath(
-        const SkDraw& d,
         const SkPath& devicePath,
         IXpsOMPath* xpsPath);
 
@@ -315,7 +272,6 @@
         const SkIRect& clip, SkIRect* clipIRect);
 
     HRESULT applyMask(
-        const SkDraw& d,
         const SkMask& mask,
         const SkVector& ppuScale,
         IXpsOMPath* shadedPath);
@@ -326,7 +282,7 @@
     SkXPSDevice(const SkXPSDevice&);
     void operator=(const SkXPSDevice&);
 
-    typedef SkBaseDevice INHERITED;
+    typedef SkClipStackDevice INHERITED;
 };
 
 #endif  // SK_BUILD_FOR_WIN
diff --git a/tests/LayerDrawLooperTest.cpp b/tests/LayerDrawLooperTest.cpp
index 2910341..f3705b7 100644
--- a/tests/LayerDrawLooperTest.cpp
+++ b/tests/LayerDrawLooperTest.cpp
@@ -30,9 +30,9 @@
     FakeDevice() : INHERITED(make_bm(100, 100), SkSurfaceProps(0, kUnknown_SkPixelGeometry)) {
     }
 
-    void drawRect(const SkDraw& draw, const SkRect& r, const SkPaint& paint) override {
-        fLastMatrix = *draw.fMatrix;
-        this->INHERITED::drawRect(draw, r, paint);
+    void drawRect(const SkRect& r, const SkPaint& paint) override {
+        fLastMatrix = this->ctm();
+        this->INHERITED::drawRect(r, paint);
     }
 
     SkMatrix fLastMatrix;
diff --git a/tools/debugger/SkDebugCanvas.cpp b/tools/debugger/SkDebugCanvas.cpp
index c9d18ee..522f4ed 100644
--- a/tools/debugger/SkDebugCanvas.cpp
+++ b/tools/debugger/SkDebugCanvas.cpp
@@ -307,7 +307,7 @@
     }
     if (pathOpsMode) {
         this->resetClipStackData();
-        const SkClipStack* clipStack = filterCanvas.getClipStack();
+        const SkClipStack* clipStack = nullptr;//HACK filterCanvas.getClipStack();
         SkClipStack::Iter iter(*clipStack, SkClipStack::Iter::kBottom_IterStart);
         const SkClipStack::Element* element;
         SkPath devPath;