Revert of Pass clip to context (patchset #8 id:180001 of https://codereview.chromium.org/936943002/)

Reason for revert:
Strange blur problems on nexus 5

Original issue's description:
> I'd really like to land this before the branch so speedy reviews are appreciated.
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/586d5d640b19860dfbbd903a5188da1bbbe87336

TBR=jvanverth@google.com,senorblanco@google.com,bsalomon@google.com,senorblanco@chromium.org,joshualitt@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/956083002
diff --git a/src/gpu/GrBitmapTextContext.cpp b/src/gpu/GrBitmapTextContext.cpp
index d06df1c..2345ac1 100755
--- a/src/gpu/GrBitmapTextContext.cpp
+++ b/src/gpu/GrBitmapTextContext.cpp
@@ -70,9 +70,9 @@
     return !SkDraw::ShouldDrawTextAsPaths(paint, viewMatrix);
 }
 
-inline void GrBitmapTextContext::init(GrRenderTarget* rt, const GrClip& clip,
-                                      const GrPaint& paint, const SkPaint& skPaint) {
-    GrTextContext::init(rt, clip, paint, skPaint);
+inline void GrBitmapTextContext::init(GrRenderTarget* rt, const GrPaint& paint,
+                                      const SkPaint& skPaint) {
+    GrTextContext::init(rt, paint, skPaint);
 
     fStrike = NULL;
 
@@ -84,8 +84,8 @@
     fTotalVertexCount = 0;
 }
 
-void GrBitmapTextContext::onDrawText(GrRenderTarget* rt, const GrClip& clip,
-                                     const GrPaint& paint, const SkPaint& skPaint,
+void GrBitmapTextContext::onDrawText(GrRenderTarget* rt, const GrPaint& paint,
+                                     const SkPaint& skPaint,
                                      const SkMatrix& viewMatrix,
                                      const char text[], size_t byteLength,
                                      SkScalar x, SkScalar y) {
@@ -96,7 +96,7 @@
         return;
     }
 
-    this->init(rt, clip, paint, skPaint);
+    this->init(rt, paint, skPaint);
 
     SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
 
@@ -184,8 +184,8 @@
     this->finish();
 }
 
-void GrBitmapTextContext::onDrawPosText(GrRenderTarget* rt, const GrClip& clip,
-                                        const GrPaint& paint, const SkPaint& skPaint,
+void GrBitmapTextContext::onDrawPosText(GrRenderTarget* rt, const GrPaint& paint,
+                                        const SkPaint& skPaint,
                                         const SkMatrix& viewMatrix,
                                         const char text[], size_t byteLength,
                                         const SkScalar pos[], int scalarsPerPosition,
@@ -198,7 +198,7 @@
         return;
     }
 
-    this->init(rt, clip, paint, skPaint);
+    this->init(rt, paint, skPaint);
 
     SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
 
@@ -455,7 +455,7 @@
         SkPath tmpPath(*glyph->fPath);
         tmpPath.transform(translate);
         GrStrokeInfo strokeInfo(SkStrokeRec::kFill_InitStyle);
-        fContext->drawPath(fRenderTarget, fClip, fPaint, SkMatrix::I(), tmpPath, strokeInfo);
+        fContext->drawPath(fRenderTarget, fPaint, SkMatrix::I(), tmpPath, strokeInfo);
 
         // remove this glyph from the vertices we need to allocate
         fTotalVertexCount -= kVerticesPerGlyph;
diff --git a/src/gpu/GrBitmapTextContext.h b/src/gpu/GrBitmapTextContext.h
index 2c50873..c38bd07 100644
--- a/src/gpu/GrBitmapTextContext.h
+++ b/src/gpu/GrBitmapTextContext.h
@@ -40,16 +40,16 @@
 
     bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE;
 
-    virtual void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+    virtual void onDrawText(GrRenderTarget*, const GrPaint&, const SkPaint&,
                             const SkMatrix& viewMatrix, const char text[], size_t byteLength,
                             SkScalar x, SkScalar y) SK_OVERRIDE;
-    virtual void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+    virtual void onDrawPosText(GrRenderTarget*, const GrPaint&, const SkPaint&,
                                const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
                                const SkPoint& offset) SK_OVERRIDE;
 
-    void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&);
+    void init(GrRenderTarget*, const GrPaint&, const SkPaint&);
     void appendGlyph(GrGlyph::PackedID, SkFixed left, SkFixed top, GrFontScaler*);
     bool uploadGlyph(GrGlyph*, GrFontScaler*);
     void flush();                 // automatically called by destructor
diff --git a/src/gpu/GrClip.cpp b/src/gpu/GrClip.cpp
index 63d8f51..1dc6edc 100644
--- a/src/gpu/GrClip.cpp
+++ b/src/gpu/GrClip.cpp
@@ -21,6 +21,8 @@
 void GrClip::getConservativeBounds(int width, int height, SkIRect* devResult,
                                    bool* isIntersectionOfRects) const {
     switch (fClipType) {
+        default:
+            SkFAIL("incomplete switch\n");
         case kWideOpen_ClipType: {
             devResult->setLTRB(0, 0, width, height);
             if (isIntersectionOfRects) {
@@ -33,15 +35,6 @@
                 *isIntersectionOfRects = true;
             }
         } break;
-        case kRect_ClipType: {
-            devResult->setLTRB(SkScalarCeilToInt(this->rect().fLeft),
-                               SkScalarCeilToInt(this->rect().fTop),
-                               SkScalarCeilToInt(this->rect().fRight),
-                               SkScalarCeilToInt(this->rect().fBottom));
-            if (isIntersectionOfRects) {
-                *isIntersectionOfRects = true;
-            }
-        } break;
         case kClipStack_ClipType: {
             SkRect devBounds;
             this->clipStack()->getConservativeBounds(-this->origin().fX,
diff --git a/src/gpu/GrClipMaskManager.cpp b/src/gpu/GrClipMaskManager.cpp
index 99c74e3..b28b75c 100644
--- a/src/gpu/GrClipMaskManager.cpp
+++ b/src/gpu/GrClipMaskManager.cpp
@@ -231,47 +231,29 @@
     bool ignoreClip = clip.isWideOpen(clipSpaceRTIBounds);
     if (!ignoreClip) {
         // The clip mask manager always draws with a single IRect so we special case that logic here
-        // Image filters just use a rect, so we also special case that logic
-        switch (clip.clipType()) {
-            case GrClip::kWideOpen_ClipType:
-                // we should have handled this case above
-                SkASSERT(false);
-            case GrClip::kIRect_ClipType: {
-                initialState = GrReducedClip::kAllIn_InitialState;
-                clipSpaceIBounds = clip.irect();
-                SkNEW_INSERT_AT_LLIST_HEAD(&elements,
-                                           Element,
-                                           (SkRect::Make(clipSpaceIBounds),
-                                            SkRegion::kIntersect_Op, false));
-            } break;
-            case GrClip::kRect_ClipType: {
-                initialState = GrReducedClip::kAllIn_InitialState;
-                clipSpaceIBounds.setLTRB(SkScalarCeilToInt(clip.rect().fLeft),
-                                         SkScalarCeilToInt(clip.rect().fTop),
-                                         SkScalarCeilToInt(clip.rect().fRight),
-                                         SkScalarCeilToInt(clip.rect().fBottom));
-                SkNEW_INSERT_AT_LLIST_HEAD(&elements,
-                                           Element,
-                                           (SkRect::Make(clipSpaceIBounds),
-                                            SkRegion::kIntersect_Op, false));
-            } break;
-            case GrClip::kClipStack_ClipType: {
-                clipSpaceRTIBounds.offset(clip.origin());
-                GrReducedClip::ReduceClipStack(*clip.clipStack(),
-                                               clipSpaceRTIBounds,
-                                               &elements,
-                                               &genID,
-                                               &initialState,
-                                               &clipSpaceIBounds,
-                                               &requiresAA);
-                if (elements.isEmpty()) {
-                    if (GrReducedClip::kAllIn_InitialState == initialState) {
-                        ignoreClip = clipSpaceIBounds == clipSpaceRTIBounds;
-                    } else {
-                        return false;
-                    }
+        if (GrClip::kIRect_ClipType == clip.clipType()) {
+            initialState = GrReducedClip::kAllIn_InitialState;
+            clipSpaceIBounds = clip.irect();
+            SkNEW_INSERT_AT_LLIST_HEAD(&elements,
+                                       Element,
+                                       (SkRect::Make(clipSpaceIBounds),
+                                        SkRegion::kIntersect_Op, false));
+        } else {
+            clipSpaceRTIBounds.offset(clip.origin());
+            GrReducedClip::ReduceClipStack(*clip.clipStack(),
+                                           clipSpaceRTIBounds,
+                                           &elements,
+                                           &genID,
+                                           &initialState,
+                                           &clipSpaceIBounds,
+                                           &requiresAA);
+            if (elements.isEmpty()) {
+                if (GrReducedClip::kAllIn_InitialState == initialState) {
+                    ignoreClip = clipSpaceIBounds == clipSpaceRTIBounds;
+                } else {
+                    return false;
                 }
-            } break;
+            }
         }
     }
 
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index b574614..0395e1b 100755
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -86,6 +86,7 @@
 
 GrContext::GrContext(const Options& opts) : fOptions(opts) {
     fGpu = NULL;
+    fClip = NULL;
     fPathRendererChain = NULL;
     fSoftwarePathRenderer = NULL;
     fResourceCache = NULL;
@@ -362,7 +363,7 @@
 
     AutoCheckFlush acf(this);
     GR_CREATE_TRACE_MARKER_CONTEXT("GrContext::clear", this);
-    GrDrawTarget* target = this->prepareToDraw();
+    GrDrawTarget* target = this->prepareToDraw(NULL, renderTarget, NULL, &acf);
     if (NULL == target) {
         return;
     }
@@ -370,7 +371,6 @@
 }
 
 void GrContext::drawPaint(GrRenderTarget* rt,
-                          const GrClip& clip,
                           const GrPaint& origPaint,
                           const SkMatrix& viewMatrix) {
     // set rect to be big enough to fill the space, but not super-huge, so we
@@ -398,7 +398,7 @@
             return;
         }
         inverse.mapRect(&r);
-        this->drawRect(rt, clip, *paint, viewMatrix, r);
+        this->drawRect(rt, *paint, viewMatrix, r);
     } else {
         SkMatrix localMatrix;
         if (!viewMatrix.invert(&localMatrix)) {
@@ -408,7 +408,7 @@
 
         AutoCheckFlush acf(this);
         GrPipelineBuilder pipelineBuilder;
-        GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, paint, &acf);
+        GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, paint, &acf);
         if (NULL == target) {
             return;
         }
@@ -502,7 +502,6 @@
 }
 
 void GrContext::drawRect(GrRenderTarget* rt,
-                         const GrClip& clip,
                          const GrPaint& paint,
                          const SkMatrix& viewMatrix,
                          const SkRect& rect,
@@ -510,13 +509,13 @@
     if (strokeInfo && strokeInfo->isDashed()) {
         SkPath path;
         path.addRect(rect);
-        this->drawPath(rt, clip, paint, viewMatrix, path, *strokeInfo);
+        this->drawPath(rt, paint, viewMatrix, path, *strokeInfo);
         return;
     }
 
     AutoCheckFlush acf(this);
     GrPipelineBuilder pipelineBuilder;
-    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf);
+    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, &paint, &acf);
     if (NULL == target) {
         return;
     }
@@ -530,13 +529,13 @@
         SkRect rtRect;
         pipelineBuilder.getRenderTarget()->getBoundsRect(&rtRect);
         SkRect clipSpaceRTRect = rtRect;
-        bool checkClip = GrClip::kWideOpen_ClipType != clip.clipType();
+        bool checkClip = fClip && GrClip::kWideOpen_ClipType != fClip->clipType();
         if (checkClip) {
-            clipSpaceRTRect.offset(SkIntToScalar(clip.origin().fX),
-                                   SkIntToScalar(clip.origin().fY));
+            clipSpaceRTRect.offset(SkIntToScalar(this->getClip()->origin().fX),
+                                   SkIntToScalar(this->getClip()->origin().fY));
         }
         // Does the clip contain the entire RT?
-        if (!checkClip || clip.quickContains(clipSpaceRTRect)) {
+        if (!checkClip || fClip->clipStack()->quickContains(clipSpaceRTRect)) {
             SkMatrix invM;
             if (!viewMatrix.invert(&invM)) {
                 return;
@@ -635,7 +634,6 @@
 }
 
 void GrContext::drawNonAARectToRect(GrRenderTarget* rt,
-                                    const GrClip& clip,
                                     const GrPaint& paint,
                                     const SkMatrix& viewMatrix,
                                     const SkRect& rectToDraw,
@@ -643,7 +641,7 @@
                                     const SkMatrix* localMatrix) {
     AutoCheckFlush acf(this);
     GrPipelineBuilder pipelineBuilder;
-    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf);
+    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, &paint, &acf);
     if (NULL == target) {
         return;
     }
@@ -683,7 +681,6 @@
 }
 
 void GrContext::drawVertices(GrRenderTarget* rt,
-                             const GrClip& clip,
                              const GrPaint& paint,
                              const SkMatrix& viewMatrix,
                              GrPrimitiveType primitiveType,
@@ -697,7 +694,7 @@
     GrPipelineBuilder pipelineBuilder;
     GrDrawTarget::AutoReleaseGeometry geo; // must be inside AutoCheckFlush scope
 
-    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf);
+    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, &paint, &acf);
     if (NULL == target) {
         return;
     }
@@ -746,7 +743,6 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrContext::drawRRect(GrRenderTarget*rt,
-                          const GrClip& clip,
                           const GrPaint& paint,
                           const SkMatrix& viewMatrix,
                           const SkRRect& rrect,
@@ -758,13 +754,13 @@
     if (strokeInfo.isDashed()) {
         SkPath path;
         path.addRRect(rrect);
-        this->drawPath(rt, clip, paint, viewMatrix, path, strokeInfo);
+        this->drawPath(rt, paint, viewMatrix, path, strokeInfo);
         return;
     }
 
     AutoCheckFlush acf(this);
     GrPipelineBuilder pipelineBuilder;
-    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf);
+    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, &paint, &acf);
     if (NULL == target) {
         return;
     }
@@ -791,7 +787,6 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrContext::drawDRRect(GrRenderTarget* rt,
-                           const GrClip& clip,
                            const GrPaint& paint,
                            const SkMatrix& viewMatrix,
                            const SkRRect& outer,
@@ -802,7 +797,7 @@
 
     AutoCheckFlush acf(this);
     GrPipelineBuilder pipelineBuilder;
-    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf);
+    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, &paint, &acf);
 
     GR_CREATE_TRACE_MARKER("GrContext::drawDRRect", target);
 
@@ -827,8 +822,7 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void GrContext::drawOval(GrRenderTarget* rt,
-                         const GrClip& clip,
+void GrContext::drawOval(GrRenderTarget*rt,
                          const GrPaint& paint,
                          const SkMatrix& viewMatrix,
                          const SkRect& oval,
@@ -840,13 +834,13 @@
     if (strokeInfo.isDashed()) {
         SkPath path;
         path.addOval(oval);
-        this->drawPath(rt, clip, paint, viewMatrix, path, strokeInfo);
+        this->drawPath(rt, paint, viewMatrix, path, strokeInfo);
         return;
     }
 
     AutoCheckFlush acf(this);
     GrPipelineBuilder pipelineBuilder;
-    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf);
+    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, &paint, &acf);
     if (NULL == target) {
         return;
     }
@@ -924,7 +918,6 @@
 }
 
 void GrContext::drawPath(GrRenderTarget* rt,
-                         const GrClip& clip,
                          const GrPaint& paint,
                          const SkMatrix& viewMatrix,
                          const SkPath& path,
@@ -932,7 +925,7 @@
 
     if (path.isEmpty()) {
        if (path.isInverseFillType()) {
-           this->drawPaint(rt, clip, paint, viewMatrix);
+           this->drawPaint(rt, paint, viewMatrix);
        }
        return;
     }
@@ -943,7 +936,7 @@
         if (path.isLine(pts)) {
             AutoCheckFlush acf(this);
             GrPipelineBuilder pipelineBuilder;
-            GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf);
+            GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, &paint, &acf);
             if (NULL == target) {
                 return;
             }
@@ -960,11 +953,11 @@
         GrStrokeInfo newStrokeInfo(strokeInfo, false);
         SkStrokeRec* stroke = newStrokeInfo.getStrokeRecPtr();
         if (SkDashPath::FilterDashPath(effectPath.init(), path, stroke, NULL, info)) {
-            this->drawPath(rt, clip, paint, viewMatrix, *effectPath.get(), newStrokeInfo);
+            this->drawPath(rt, paint, viewMatrix, *effectPath.get(), newStrokeInfo);
             return;
         }
 
-        this->drawPath(rt, clip, paint, viewMatrix, path, newStrokeInfo);
+        this->drawPath(rt, paint, viewMatrix, path, newStrokeInfo);
         return;
     }
 
@@ -975,7 +968,7 @@
     // OK.
     AutoCheckFlush acf(this);
     GrPipelineBuilder pipelineBuilder;
-    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf);
+    GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, &paint, &acf);
     if (NULL == target) {
         return;
     }
@@ -1204,10 +1197,7 @@
     // drawing a rect to the render target.
     // The bracket ensures we pop the stack if we wind up flushing below.
     {
-        GrDrawTarget* drawTarget = this->prepareToDraw();
-        if (!drawTarget) {
-            return false;
-        }
+        GrDrawTarget* drawTarget = this->prepareToDraw(NULL, NULL, NULL, NULL);
         GrDrawTarget::AutoGeometryPush agp(drawTarget);
 
         GrPipelineBuilder pipelineBuilder;
@@ -1393,7 +1383,7 @@
     SkASSERT(renderTarget);
     ASSERT_OWNED_RESOURCE(renderTarget);
     AutoCheckFlush acf(this);
-    GrDrawTarget* target = this->prepareToDraw();
+    GrDrawTarget* target = this->prepareToDraw(NULL, NULL, NULL, NULL);
     if (NULL == target) {
         return;
     }
@@ -1411,7 +1401,7 @@
     // Since we're going to the draw target and not GPU, no need to check kNoFlush
     // here.
 
-    GrDrawTarget* target = this->prepareToDraw();
+    GrDrawTarget* target = this->prepareToDraw(NULL, NULL, NULL, NULL);
     if (NULL == target) {
         return;
     }
@@ -1430,22 +1420,16 @@
 
 GrDrawTarget* GrContext::prepareToDraw(GrPipelineBuilder* pipelineBuilder,
                                        GrRenderTarget* rt,
-                                       const GrClip& clip,
                                        const GrPaint* paint,
                                        const AutoCheckFlush* acf) {
     if (NULL == fGpu) {
         return NULL;
     }
 
-    ASSERT_OWNED_RESOURCE(rt);
-    SkASSERT(rt && paint && acf);
-    pipelineBuilder->setFromPaint(*paint, rt, clip);
-    return fDrawBuffer;
-}
-
-GrDrawTarget* GrContext::prepareToDraw() {
-    if (NULL == fGpu) {
-        return NULL;
+    if (pipelineBuilder) {
+        ASSERT_OWNED_RESOURCE(rt);
+        SkASSERT(rt && paint && acf);
+        pipelineBuilder->setFromPaint(*paint, rt, fClip);
     }
     return fDrawBuffer;
 }
@@ -1529,7 +1513,7 @@
 }
 
 GrDrawTarget* GrContext::getTextTarget() {
-    return this->prepareToDraw();
+    return this->prepareToDraw(NULL, NULL, NULL, NULL);
 }
 
 const GrIndexBuffer* GrContext::getQuadIndexBuffer() const {
diff --git a/src/gpu/GrDistanceFieldTextContext.cpp b/src/gpu/GrDistanceFieldTextContext.cpp
index 47d408f..d2b34e6 100755
--- a/src/gpu/GrDistanceFieldTextContext.cpp
+++ b/src/gpu/GrDistanceFieldTextContext.cpp
@@ -112,9 +112,9 @@
     return true;
 }
 
-inline void GrDistanceFieldTextContext::init(GrRenderTarget* rt, const GrClip& clip,
-                                             const GrPaint& paint, const SkPaint& skPaint) {
-    GrTextContext::init(rt, clip, paint, skPaint);
+inline void GrDistanceFieldTextContext::init(GrRenderTarget* rt, const GrPaint& paint,
+                                             const SkPaint& skPaint) {
+    GrTextContext::init(rt, paint, skPaint);
 
     fStrike = NULL;
 
@@ -207,8 +207,7 @@
     }
 }
 
-void GrDistanceFieldTextContext::onDrawText(GrRenderTarget* rt, const GrClip& clip,
-                                            const GrPaint& paint,
+void GrDistanceFieldTextContext::onDrawText(GrRenderTarget* rt, const GrPaint& paint,
                                             const SkPaint& skPaint, const SkMatrix& viewMatrix,
                                             const char text[], size_t byteLength,
                                             SkScalar x, SkScalar y) {
@@ -269,12 +268,11 @@
     y -= alignY;
     SkPoint offset = SkPoint::Make(x, y);
 
-    this->drawPosText(rt, clip, paint, skPaint, viewMatrix, text, byteLength, positions.begin(), 2,
+    this->drawPosText(rt, paint, skPaint, viewMatrix, text, byteLength, positions.begin(), 2,
                       offset);
 }
 
-void GrDistanceFieldTextContext::onDrawPosText(GrRenderTarget* rt, const GrClip& clip,
-                                               const GrPaint& paint,
+void GrDistanceFieldTextContext::onDrawPosText(GrRenderTarget* rt, const GrPaint& paint,
                                                const SkPaint& skPaint, const SkMatrix& viewMatrix,
                                                const char text[], size_t byteLength,
                                                const SkScalar pos[], int scalarsPerPosition,
@@ -289,7 +287,7 @@
     }
 
     fViewMatrix = viewMatrix;
-    this->init(rt, clip, paint, skPaint);
+    this->init(rt, paint, skPaint);
 
     SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
 
@@ -364,7 +362,7 @@
     this->finish();
     
     if (fallbackTxt.count() > 0) {
-        fFallbackTextContext->drawPosText(rt, clip, paint, skPaint, viewMatrix, fallbackTxt.begin(),
+        fFallbackTextContext->drawPosText(rt, paint, skPaint, viewMatrix, fallbackTxt.begin(),
                                           fallbackTxt.count(), fallbackPos.begin(),
                                           scalarsPerPosition, offset);
     }
@@ -573,7 +571,7 @@
             tmpPath.transform(ctm);
 
             GrStrokeInfo strokeInfo(SkStrokeRec::kFill_InitStyle);
-            fContext->drawPath(fRenderTarget, fClip, fPaint, fViewMatrix, tmpPath, strokeInfo);
+            fContext->drawPath(fRenderTarget, fPaint, fViewMatrix, tmpPath, strokeInfo);
 
             // remove this glyph from the vertices we need to allocate
             fTotalVertexCount -= kVerticesPerGlyph;
diff --git a/src/gpu/GrDistanceFieldTextContext.h b/src/gpu/GrDistanceFieldTextContext.h
index 129c6e9..ecba340 100644
--- a/src/gpu/GrDistanceFieldTextContext.h
+++ b/src/gpu/GrDistanceFieldTextContext.h
@@ -52,17 +52,17 @@
 
     bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE;
 
-    virtual void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+    virtual void onDrawText(GrRenderTarget*, const GrPaint&, const SkPaint&,
                             const SkMatrix& viewMatrix,
                             const char text[], size_t byteLength,
                             SkScalar x, SkScalar y) SK_OVERRIDE;
-    virtual void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+    virtual void onDrawPosText(GrRenderTarget*, const GrPaint&, const SkPaint&,
                                const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
                                const SkPoint& offset) SK_OVERRIDE;
 
-    void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&);
+    void init(GrRenderTarget*, const GrPaint&, const SkPaint&);
     bool appendGlyph(GrGlyph::PackedID, SkScalar left, SkScalar top, GrFontScaler*);
     bool uploadGlyph(GrGlyph*, GrFontScaler*);
     void setupCoverageEffect(const SkColor& filteredColor);
diff --git a/src/gpu/GrPipelineBuilder.cpp b/src/gpu/GrPipelineBuilder.cpp
index 89bf15f..faa20b1 100644
--- a/src/gpu/GrPipelineBuilder.cpp
+++ b/src/gpu/GrPipelineBuilder.cpp
@@ -47,7 +47,7 @@
     return *this;
 }
 
-void GrPipelineBuilder::setFromPaint(const GrPaint& paint, GrRenderTarget* rt, const GrClip& clip) {
+void GrPipelineBuilder::setFromPaint(const GrPaint& paint, GrRenderTarget* rt, const GrClip* clip) {
     SkASSERT(0 == fBlockEffectRemovalCnt || 0 == this->numFragmentStages());
 
     fColorStages.reset();
@@ -70,7 +70,9 @@
     fStencilSettings.setDisabled();
     fFlagBits = 0;
 
-    fClip = clip;
+    if (clip) {
+        fClip = *clip;
+    }
 
     this->setState(GrPipelineBuilder::kDither_StateBit, paint.isDither());
     this->setState(GrPipelineBuilder::kHWAntialias_StateBit, paint.isAntiAlias());
diff --git a/src/gpu/GrPipelineBuilder.h b/src/gpu/GrPipelineBuilder.h
index 96807d5..54b06db 100644
--- a/src/gpu/GrPipelineBuilder.h
+++ b/src/gpu/GrPipelineBuilder.h
@@ -45,7 +45,7 @@
      * no GrPaint equivalents are set to default values with the exception of vertex attribute state
      * which is unmodified by this function and clipping which will be enabled.
      */
-    void setFromPaint(const GrPaint&, GrRenderTarget*, const GrClip&);
+    void setFromPaint(const GrPaint&, GrRenderTarget*, const GrClip*);
 
     /// @}
 
diff --git a/src/gpu/GrStencilAndCoverTextContext.cpp b/src/gpu/GrStencilAndCoverTextContext.cpp
index 4b121da..6dbfe9f 100644
--- a/src/gpu/GrStencilAndCoverTextContext.cpp
+++ b/src/gpu/GrStencilAndCoverTextContext.cpp
@@ -65,7 +65,6 @@
 }
 
 void GrStencilAndCoverTextContext::onDrawText(GrRenderTarget* rt,
-                                              const GrClip& clip,
                                               const GrPaint& paint,
                                               const SkPaint& skPaint,
                                               const SkMatrix& viewMatrix,
@@ -93,7 +92,7 @@
     // will turn off the use of device-space glyphs when perspective transforms
     // are in use.
 
-    this->init(rt, clip, paint, skPaint, byteLength, kMaxAccuracy_RenderMode, viewMatrix);
+    this->init(rt, paint, skPaint, byteLength, kMaxAccuracy_RenderMode, viewMatrix);
 
     // Transform our starting point.
     if (fUsingDeviceSpaceGlyphs) {
@@ -156,7 +155,6 @@
 }
 
 void GrStencilAndCoverTextContext::onDrawPosText(GrRenderTarget* rt,
-                                                 const GrClip& clip,
                                                  const GrPaint& paint,
                                                  const SkPaint& skPaint,
                                                  const SkMatrix& viewMatrix,
@@ -181,7 +179,7 @@
     // transform is not part of SkPaint::measureText API, and thus we use the
     // same glyphs as what were measured.
 
-    this->init(rt, clip, paint, skPaint, byteLength, kMaxPerformance_RenderMode, viewMatrix);
+    this->init(rt, paint, skPaint, byteLength, kMaxPerformance_RenderMode, viewMatrix);
 
     SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
 
@@ -234,13 +232,12 @@
 }
 
 void GrStencilAndCoverTextContext::init(GrRenderTarget* rt,
-                                        const GrClip& clip,
                                         const GrPaint& paint,
                                         const SkPaint& skPaint,
                                         size_t textByteLength,
                                         RenderMode renderMode,
                                         const SkMatrix& viewMatrix) {
-    GrTextContext::init(rt, clip, paint, skPaint);
+    GrTextContext::init(rt, paint, skPaint);
 
     fContextInitialMatrix = viewMatrix;
     fViewMatrix = viewMatrix;
@@ -445,7 +442,7 @@
             inverse.mapPoints(&fGlyphPositions[fFallbackGlyphsIdx], fallbackGlyphCount);
         }
 
-        fFallbackTextContext->drawPosText(fRenderTarget, fClip, paintFallback, skPaintFallback,
+        fFallbackTextContext->drawPosText(fRenderTarget, paintFallback, skPaintFallback,
                                           fViewMatrix, (char*)&fGlyphIndices[fFallbackGlyphsIdx],
                                           2 * fallbackGlyphCount,
                                           get_xy_scalar_array(&fGlyphPositions[fFallbackGlyphsIdx]),
diff --git a/src/gpu/GrStencilAndCoverTextContext.h b/src/gpu/GrStencilAndCoverTextContext.h
index 3753795..3b4cd9b 100644
--- a/src/gpu/GrStencilAndCoverTextContext.h
+++ b/src/gpu/GrStencilAndCoverTextContext.h
@@ -71,18 +71,18 @@
 
     bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE;
 
-    virtual void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+    virtual void onDrawText(GrRenderTarget*, const GrPaint&, const SkPaint&,
                             const SkMatrix& viewMatrix,
                             const char text[], size_t byteLength,
                             SkScalar x, SkScalar y) SK_OVERRIDE;
-    virtual void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+    virtual void onDrawPosText(GrRenderTarget*, const GrPaint&, const SkPaint&,
                                const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
                                const SkPoint& offset) SK_OVERRIDE;
 
-    void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
-              size_t textByteLength, RenderMode, const SkMatrix& viewMatrix);
+    void init(GrRenderTarget*, const GrPaint&, const SkPaint&, size_t textByteLength, RenderMode,
+              const SkMatrix& viewMatrix);
     bool mapToFallbackContext(SkMatrix* inverse);
     void appendGlyph(const SkGlyph&, const SkPoint&);
     void flush();
diff --git a/src/gpu/GrTextContext.cpp b/src/gpu/GrTextContext.cpp
index cef99c6..895e977 100644
--- a/src/gpu/GrTextContext.cpp
+++ b/src/gpu/GrTextContext.cpp
@@ -7,11 +7,10 @@
 
 #include "GrTextContext.h"
 #include "GrContext.h"
-#include "GrDrawTarget.h"
-#include "GrFontScaler.h"
 
 #include "SkAutoKern.h"
 #include "SkGlyphCache.h"
+#include "GrFontScaler.h"
 
 GrTextContext::GrTextContext(GrContext* context, const SkDeviceProperties& properties) :
                             fFallbackTextContext(NULL),
@@ -22,13 +21,12 @@
     SkDELETE(fFallbackTextContext);
 }
 
-void GrTextContext::init(GrRenderTarget* rt, const GrClip& clip, const GrPaint& grPaint,
-                         const SkPaint& skPaint) {
-    fClip = clip;
+void GrTextContext::init(GrRenderTarget* rt, const GrPaint& grPaint, const SkPaint& skPaint) {
+    fClip = fContext->getClip();
 
     fRenderTarget.reset(SkRef(rt));
 
-    fClip.getConservativeBounds(fRenderTarget->width(), fRenderTarget->height(), &fClipRect);
+    fClip->getConservativeBounds(fRenderTarget->width(), fRenderTarget->height(), &fClipRect);
 
     fDrawTarget = fContext->getTextTarget();
 
@@ -36,15 +34,15 @@
     fSkPaint = skPaint;
 }
 
-bool GrTextContext::drawText(GrRenderTarget* rt, const GrClip& clip, const GrPaint& paint,
-                             const SkPaint& skPaint, const SkMatrix& viewMatrix,
+bool GrTextContext::drawText(GrRenderTarget* rt, const GrPaint& paint, const SkPaint& skPaint,
+                             const SkMatrix& viewMatrix,
                              const char text[], size_t byteLength,
                              SkScalar x, SkScalar y) {
 
     GrTextContext* textContext = this;
     do {
         if (textContext->canDraw(skPaint, viewMatrix)) {
-            textContext->onDrawText(rt, clip, paint, skPaint, viewMatrix, text, byteLength, x, y);
+            textContext->onDrawText(rt, paint, skPaint, viewMatrix, text, byteLength, x, y);
             return true;
         }
         textContext = textContext->fFallbackTextContext;
@@ -53,8 +51,8 @@
     return false;
 }
 
-bool GrTextContext::drawPosText(GrRenderTarget* rt, const GrClip& clip, const GrPaint& paint,
-                                const SkPaint& skPaint, const SkMatrix& viewMatrix,
+bool GrTextContext::drawPosText(GrRenderTarget* rt, const GrPaint& paint, const SkPaint& skPaint,
+                                const SkMatrix& viewMatrix,
                                 const char text[], size_t byteLength,
                                 const SkScalar pos[], int scalarsPerPosition,
                                 const SkPoint& offset) {
@@ -62,7 +60,7 @@
     GrTextContext* textContext = this;
     do {
         if (textContext->canDraw(skPaint, viewMatrix)) {
-            textContext->onDrawPosText(rt, clip, paint, skPaint, viewMatrix, text, byteLength, pos,
+            textContext->onDrawPosText(rt, paint, skPaint, viewMatrix, text, byteLength, pos,
                                        scalarsPerPosition, offset);
             return true;
         }
diff --git a/src/gpu/GrTextContext.h b/src/gpu/GrTextContext.h
index d333c63..581ff64 100644
--- a/src/gpu/GrTextContext.h
+++ b/src/gpu/GrTextContext.h
@@ -15,7 +15,6 @@
 
 #include "SkPostConfig.h"
 
-class GrClip;
 class GrContext;
 class GrDrawTarget;
 class GrFontScaler;
@@ -27,11 +26,9 @@
 public:
     virtual ~GrTextContext();
 
-    bool drawText(GrRenderTarget* rt, const GrClip&,  const GrPaint&, const SkPaint&,
-                  const SkMatrix& viewMatrix, const char text[], size_t byteLength, SkScalar x,
-                  SkScalar y);
-    bool drawPosText(GrRenderTarget* rt, const GrClip&, const GrPaint&, const SkPaint&,
-                     const SkMatrix& viewMatrix,
+    bool drawText(GrRenderTarget* rt, const GrPaint&, const SkPaint&, const SkMatrix& viewMatrix,
+                  const char text[], size_t byteLength, SkScalar x, SkScalar y);
+    bool drawPosText(GrRenderTarget* rt, const GrPaint&, const SkPaint&, const SkMatrix& viewMatrix,
                      const char text[], size_t byteLength,
                      const SkScalar pos[], int scalarsPerPosition,
                      const SkPoint& offset);
@@ -42,7 +39,7 @@
     SkDeviceProperties             fDeviceProperties;
 
     SkAutoTUnref<GrRenderTarget>   fRenderTarget;
-    GrClip                         fClip;
+    const GrClip*                  fClip;
     GrDrawTarget*                  fDrawTarget;
     SkIRect                        fClipRect;
     GrPaint                        fPaint;
@@ -52,16 +49,16 @@
 
     virtual bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) = 0;
 
-    virtual void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+    virtual void onDrawText(GrRenderTarget*, const GrPaint&, const SkPaint&,
                             const SkMatrix& viewMatrix, const char text[], size_t byteLength,
                             SkScalar x, SkScalar y) = 0;
-    virtual void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
+    virtual void onDrawPosText(GrRenderTarget*, const GrPaint&, const SkPaint&,
                                const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
                                const SkPoint& offset) = 0;
 
-    void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&);
+    void init(GrRenderTarget*, const GrPaint&, const SkPaint&);
     void finish() { fDrawTarget = NULL; }
 
     static GrFontScaler* GetGrFontScaler(SkGlyphCache* cache);
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index edbb82e..d384cd1 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -220,6 +220,10 @@
 
     delete fTextContext;
 
+    if (fContext->getClip() == &fClipData) {
+        fContext->setClip(NULL);
+    }
+
     fRenderTarget->unref();
     fContext->unref();
 }
@@ -277,7 +281,7 @@
 
 void SkGpuDevice::onDetachFromCanvas() {
     INHERITED::onDetachFromCanvas();
-    fClip.reset();
+    fClipData.reset();
     fClipStack.reset(NULL);
 }
 
@@ -288,7 +292,9 @@
 
     SkASSERT(draw.fClipStack && draw.fClipStack == fClipStack);
 
-    fClip.setClipStack(fClipStack, &this->getOrigin());
+    fClipData.setClipStack(fClipStack, &this->getOrigin());
+
+    fContext->setClip(&fClipData);
 
     DO_DEFERRED_CLEAR();
 }
@@ -360,7 +366,7 @@
     GrPaint grPaint;
     SkPaint2GrPaintShader(this->context(), fRenderTarget, paint, *draw.fMatrix, true, &grPaint);
 
-    fContext->drawPaint(fRenderTarget, fClip, grPaint, *draw.fMatrix);
+    fContext->drawPaint(fRenderTarget, grPaint, *draw.fMatrix);
 }
 
 // must be in SkCanvas::PointMode order
@@ -388,7 +394,7 @@
         path.setIsVolatile(true);
         path.moveTo(pts[0]);
         path.lineTo(pts[1]);
-        fContext->drawPath(fRenderTarget, fClip, grPaint, *draw.fMatrix, path, strokeInfo);
+        fContext->drawPath(fRenderTarget, grPaint, *draw.fMatrix, path, strokeInfo);
         return;
     }
 
@@ -403,7 +409,6 @@
     SkPaint2GrPaintShader(this->context(), fRenderTarget, paint, *draw.fMatrix, true, &grPaint);
 
     fContext->drawVertices(fRenderTarget,
-                           fClip,
                            grPaint,
                            *draw.fMatrix,
                            gPointMode2PrimtiveType[mode],
@@ -474,7 +479,7 @@
     GrPaint grPaint;
     SkPaint2GrPaintShader(this->context(), fRenderTarget, paint, *draw.fMatrix, true, &grPaint);
 
-    fContext->drawRect(fRenderTarget, fClip, grPaint, *draw.fMatrix, rect, &strokeInfo);
+    fContext->drawRect(fRenderTarget, grPaint, *draw.fMatrix, rect, &strokeInfo);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -509,7 +514,6 @@
                     if (paint.getMaskFilter()->directFilterRRectMaskGPU(fContext,
                                                                         fRenderTarget,
                                                                         &grPaint,
-                                                                        fClip,
                                                                         *draw.fMatrix,
                                                                         strokeInfo.getStrokeRec(),
                                                                         devRRect)) {
@@ -542,7 +546,7 @@
         return;
     }
 
-    fContext->drawRRect(fRenderTarget, fClip, grPaint, *draw.fMatrix, rect, strokeInfo);
+    fContext->drawRRect(fRenderTarget, grPaint, *draw.fMatrix, rect, strokeInfo);
 }
 
 void SkGpuDevice::drawDRRect(const SkDraw& draw, const SkRRect& outer,
@@ -557,7 +561,7 @@
         SkPaint2GrPaintShader(this->context(), fRenderTarget, paint, *draw.fMatrix, true, &grPaint);
 
         if (NULL == paint.getMaskFilter() && NULL == paint.getPathEffect()) {
-            fContext->drawDRRect(fRenderTarget, fClip, grPaint, *draw.fMatrix, outer, inner);
+            fContext->drawDRRect(fRenderTarget, grPaint, *draw.fMatrix, outer, inner);
             return;
         }
     }
@@ -604,7 +608,7 @@
     GrPaint grPaint;
     SkPaint2GrPaintShader(this->context(), fRenderTarget, paint, *draw.fMatrix, true, &grPaint);
 
-    fContext->drawOval(fRenderTarget, fClip, grPaint, *draw.fMatrix, oval, strokeInfo);
+    fContext->drawOval(fRenderTarget, grPaint, *draw.fMatrix, oval, strokeInfo);
 }
 
 #include "SkMaskFilter.h"
@@ -619,7 +623,6 @@
 // Return true if the mask was successfully drawn.
 bool draw_mask(GrContext* context,
                GrRenderTarget* rt,
-               const GrClip& clip,
                const SkMatrix& viewMatrix,
                const SkRect& maskRect,
                GrPaint* grp,
@@ -635,13 +638,12 @@
     if (!viewMatrix.invert(&inverse)) {
         return false;
     }
-    context->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), maskRect, inverse);
+    context->drawNonAARectWithLocalMatrix(rt, *grp, SkMatrix::I(), maskRect, inverse);
     return true;
 }
 
 bool draw_with_mask_filter(GrContext* context,
                            GrRenderTarget* rt,
-                           const GrClip& clipData,
                            const SkMatrix& viewMatrix,
                            const SkPath& devPath,
                            SkMaskFilter* filter,
@@ -683,7 +685,7 @@
 
     SkRect maskRect = SkRect::Make(dstM.fBounds);
 
-    return draw_mask(context, rt, clipData, viewMatrix, maskRect, grp, texture);
+    return draw_mask(context, rt, viewMatrix, maskRect, grp, texture);
 }
 
 // Create a mask of 'devPath' and place the result in 'mask'.
@@ -715,19 +717,18 @@
 
     SkRect clipRect = SkRect::MakeWH(maskRect.width(), maskRect.height());
 
+    GrContext::AutoClip ac(context, clipRect);
+
     context->clear(NULL, 0x0, true, mask->asRenderTarget());
 
     GrPaint tempPaint;
     tempPaint.setAntiAlias(doAA);
     tempPaint.setCoverageSetOpXPFactory(SkRegion::kReplace_Op);
 
-    // setup new clip
-    GrClip clip(clipRect);
-
     // Draw the mask into maskTexture with the path's top-left at the origin using tempPaint.
     SkMatrix translate;
     translate.setTranslate(-maskRect.fLeft, -maskRect.fTop);
-    context->drawPath(mask->asRenderTarget(), clip, tempPaint, translate, devPath, strokeInfo);
+    context->drawPath(mask->asRenderTarget(), tempPaint, translate, devPath, strokeInfo);
     return mask;
 }
 
@@ -832,7 +833,6 @@
             if (paint.getMaskFilter()->directFilterMaskGPU(fContext,
                                                            fRenderTarget,
                                                            &grPaint,
-                                                           fClip,
                                                            viewMatrix,
                                                            stroke,
                                                            *devPathPtr)) {
@@ -855,12 +855,7 @@
                 if (paint.getMaskFilter()->filterMaskGPU(mask, viewMatrix, maskRect, &filtered, true)) {
                     // filterMaskGPU gives us ownership of a ref to the result
                     SkAutoTUnref<GrTexture> atu(filtered);
-                    if (draw_mask(fContext,
-                                  fRenderTarget,
-                                  fClip,
-                                  viewMatrix,
-                                  maskRect,
-                                  &grPaint,
+                    if (draw_mask(fContext, fRenderTarget, viewMatrix, maskRect, &grPaint,
                                   filtered)) {
                         // This path is completely drawn
                         return;
@@ -873,12 +868,12 @@
         // GPU path fails
         SkPaint::Style style = stroke.isHairlineStyle() ? SkPaint::kStroke_Style :
                                                           SkPaint::kFill_Style;
-        draw_with_mask_filter(fContext, fRenderTarget, fClip, viewMatrix, *devPathPtr,
+        draw_with_mask_filter(fContext, fRenderTarget, viewMatrix, *devPathPtr,
                               paint.getMaskFilter(), *draw.fClip, &grPaint, style);
         return;
     }
 
-    fContext->drawPath(fRenderTarget, fClip, grPaint, viewMatrix, *pathPtr, strokeInfo);
+    fContext->drawPath(fRenderTarget, grPaint, viewMatrix, *pathPtr, strokeInfo);
 }
 
 static const int kBmpSmallTileSize = 1 << 10;
@@ -911,12 +906,12 @@
 // pixels from the bitmap are necessary.
 static void determine_clipped_src_rect(const GrContext* context,
                                        const GrRenderTarget* rt,
-                                       const GrClip& clip,
                                        const SkMatrix& viewMatrix,
                                        const SkBitmap& bitmap,
                                        const SkRect* srcRectPtr,
                                        SkIRect* clippedSrcIRect) {
-    clip.getConservativeBounds(rt, clippedSrcIRect, NULL);
+    const GrClip* clip = context->getClip();
+    clip->getConservativeBounds(rt, clippedSrcIRect, NULL);
     SkMatrix inv;
     if (!viewMatrix.invert(&inv)) {
         clippedSrcIRect->setEmpty();
@@ -953,8 +948,8 @@
 
     // if it's larger than the max tile size, then we have no choice but tiling.
     if (bitmap.width() > maxTileSize || bitmap.height() > maxTileSize) {
-        determine_clipped_src_rect(fContext, fRenderTarget, fClip, viewMatrix, bitmap,
-                                   srcRectPtr, clippedSrcRect);
+        determine_clipped_src_rect(fContext, fRenderTarget, viewMatrix, bitmap, srcRectPtr,
+                                   clippedSrcRect);
         *tileSize = determine_tile_size(bitmap, *clippedSrcRect, maxTileSize);
         return true;
     }
@@ -983,7 +978,7 @@
     }
 
     // Figure out how much of the src we will need based on the src rect and clipping.
-    determine_clipped_src_rect(fContext, fRenderTarget, fClip, viewMatrix, bitmap, srcRectPtr,
+    determine_clipped_src_rect(fContext, fRenderTarget, viewMatrix, bitmap, srcRectPtr,
                                clippedSrcRect);
     *tileSize = kBmpSmallTileSize; // already know whole bitmap fits in one max sized tile.
     size_t usedTileBytes = get_tile_count(*clippedSrcRect, kBmpSmallTileSize) *
@@ -1457,8 +1452,7 @@
                                        SkColor2GrColor(paint.getColor());
     SkPaint2GrPaintNoShader(this->context(), fRenderTarget, paint, paintColor, false, &grPaint);
 
-    fContext->drawNonAARectToRect(fRenderTarget, fClip, grPaint, viewMatrix, dstRect,
-                                  paintRect);
+    fContext->drawNonAARectToRect(fRenderTarget, grPaint, viewMatrix, dstRect, paintRect);
 }
 
 bool SkGpuDevice::filterTexture(GrContext* context, GrTexture* texture,
@@ -1472,6 +1466,8 @@
     SkDeviceImageFilterProxy proxy(this, SkSurfaceProps(0, getLeakyProperties().pixelGeometry()));
 
     if (filter->canFilterImageGPU()) {
+        // Set the clip wide open and the matrix to identity.
+        GrContext::AutoWideOpenIdentityDraw awo(context);
         return filter->filterImageGPU(&proxy, wrap_texture(texture), ctx, result, offset);
     } else {
         return false;
@@ -1527,7 +1523,6 @@
                             SkColor2GrColorJustAlpha(paint.getColor()), false, &grPaint);
 
     fContext->drawNonAARectToRect(fRenderTarget,
-                                  fClip,
                                   grPaint,
                                   SkMatrix::I(),
                                   SkRect::MakeXYWH(SkIntToScalar(left),
@@ -1650,8 +1645,7 @@
     SkRect srcRect = SkRect::MakeWH(SK_Scalar1 * w / devTex->width(),
                                     SK_Scalar1 * h / devTex->height());
 
-    fContext->drawNonAARectToRect(fRenderTarget, fClip, grPaint, SkMatrix::I(), dstRect,
-                                  srcRect);
+    fContext->drawNonAARectToRect(fRenderTarget, grPaint, SkMatrix::I(), dstRect, srcRect);
 }
 
 bool SkGpuDevice::canHandleImageFilter(const SkImageFilter* filter) {
@@ -1785,7 +1779,6 @@
         colors = convertedColors.get();
     }
     fContext->drawVertices(fRenderTarget,
-                           fClip,
                            grPaint,
                            *draw.fMatrix,
                            primType,
@@ -1810,8 +1803,8 @@
 
     SkDEBUGCODE(this->validate();)
 
-    if (!fTextContext->drawText(fRenderTarget, fClip, grPaint, paint, *draw.fMatrix,
-                                (const char *)text, byteLength, x, y)) {
+    if (!fTextContext->drawText(fRenderTarget, grPaint, paint, *draw.fMatrix, (const char *)text,
+                                byteLength, x, y)) {
         // this will just call our drawPath()
         draw.drawText_asPaths((const char*)text, byteLength, x, y, paint);
     }
@@ -1828,8 +1821,8 @@
 
     SkDEBUGCODE(this->validate();)
 
-    if (!fTextContext->drawPosText(fRenderTarget, fClip, grPaint, paint, *draw.fMatrix,
-                                   (const char *)text, byteLength, pos, scalarsPerPos, offset)) {
+    if (!fTextContext->drawPosText(fRenderTarget, grPaint, paint, *draw.fMatrix, (const char *)text,
+                                   byteLength, pos, scalarsPerPos, offset)) {
         // this will just call our drawPath()
         draw.drawPosText_asPaths((const char*)text, byteLength, pos, scalarsPerPos, offset, paint);
     }
diff --git a/src/gpu/SkGpuDevice.h b/src/gpu/SkGpuDevice.h
index 8dafcfc..a6cc4ef 100644
--- a/src/gpu/SkGpuDevice.h
+++ b/src/gpu/SkGpuDevice.h
@@ -137,7 +137,7 @@
     GrSkDrawProcs*                  fDrawProcs;
     SkAutoTUnref<const SkClipStack> fClipStack;
     SkIPoint                        fClipOrigin;
-    GrClip                          fClip;
+    GrClip                          fClipData;
     GrTextContext*                  fTextContext;
     SkSurfaceProps                  fSurfaceProps;
     GrRenderTarget*                 fRenderTarget;
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index b0814af..d069fe0 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -243,8 +243,9 @@
     SkRect rect = SkRect::MakeWH(SkIntToScalar(rtDesc.fWidth), SkIntToScalar(rtDesc.fHeight));
     SkRect localRect = SkRect::MakeWH(1.f, 1.f);
 
-    context->drawNonAARectToRect(stretched->asRenderTarget(), GrClip::WideOpen(), paint,
-                                 SkMatrix::I(), rect, localRect);
+    GrContext::AutoClip ac(context, GrContext::AutoClip::kWideOpen_InitialClip);
+    context->drawNonAARectToRect(stretched->asRenderTarget(), paint, SkMatrix::I(), rect,
+                                 localRect);
 
     return stretched;
 }
@@ -391,8 +392,8 @@
     paint.addColorProcessor(yuvToRgbProcessor);
     SkRect r = SkRect::MakeWH(SkIntToScalar(yuvInfo.fSize[0].fWidth),
                               SkIntToScalar(yuvInfo.fSize[0].fHeight));
-
-    ctx->drawRect(renderTarget, GrClip::WideOpen(), paint, SkMatrix::I(), r);
+    GrContext::AutoClip ac(ctx, GrContext::AutoClip::kWideOpen_InitialClip);
+    ctx->drawRect(renderTarget, paint, SkMatrix::I(), r);
 
     return result;
 }
@@ -705,6 +706,8 @@
     // asFragmentProcessor(). Since these calls get passed back to the client, we don't really
     // want them messing around with the context.
     {
+        GrContext::AutoClip ac(context, GrContext::AutoClip::kWideOpen_InitialClip);
+
         // Allow the shader to modify paintColor and also create an effect to be installed as
         // the first color effect on the GrPaint.
         GrFragmentProcessor* fp = NULL;
diff --git a/src/gpu/effects/GrConfigConversionEffect.cpp b/src/gpu/effects/GrConfigConversionEffect.cpp
index fedc470..46dde19 100644
--- a/src/gpu/effects/GrConfigConversionEffect.cpp
+++ b/src/gpu/effects/GrConfigConversionEffect.cpp
@@ -205,6 +205,8 @@
         {kDivByAlpha_RoundUp_PMConversion, kMulByAlpha_RoundDown_PMConversion},
     };
 
+    GrContext::AutoWideOpenIdentityDraw awoid(context);
+
     bool failed = true;
 
     for (size_t i = 0; i < SK_ARRAY_COUNT(kConversionRules) && failed; ++i) {
@@ -229,31 +231,19 @@
 
         GrPaint paint1;
         paint1.addColorProcessor(pmToUPM1);
-        context->drawNonAARectToRect(readTex->asRenderTarget(),
-                                     GrClip::WideOpen(),
-                                     paint1,
-                                     SkMatrix::I(),
-                                     kDstRect,
+        context->drawNonAARectToRect(readTex->asRenderTarget(), paint1, SkMatrix::I(), kDstRect,
                                      kSrcRect);
 
         readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, firstRead);
 
         GrPaint paint2;
         paint2.addColorProcessor(upmToPM);
-        context->drawNonAARectToRect(tempTex->asRenderTarget(),
-                                     GrClip::WideOpen(),
-                                     paint2,
-                                     SkMatrix::I(),
-                                     kDstRect,
+        context->drawNonAARectToRect(tempTex->asRenderTarget(), paint2, SkMatrix::I(), kDstRect,
                                      kSrcRect);
 
         GrPaint paint3;
         paint3.addColorProcessor(pmToUPM2);
-        context->drawNonAARectToRect(readTex->asRenderTarget(),
-                                     GrClip::WideOpen(),
-                                     paint3,
-                                     SkMatrix::I(),
-                                     kDstRect,
+        context->drawNonAARectToRect(readTex->asRenderTarget(), paint3, SkMatrix::I(), kDstRect,
                                      kSrcRect);
 
         readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, secondRead);