Fall back to using clip effect for outer rrect in drawdrrect

src/gpu/GrDrawState.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawState_DEFINED
 #define GrDrawState_DEFINED
 
@@ skipping 393 matching lines @@
                 SkDEBUGCODE(--fDrawState->fBlockEffectRemovalCnt;)
             }
             fDrawState = ds;
             if (NULL != ds) {
                 fColorEffectCnt = ds->fColorStages.count();
                 fCoverageEffectCnt = ds->fCoverageStages.count();
                 SkDEBUGCODE(++ds->fBlockEffectRemovalCnt;)
             }
         }
 
+        bool isSet() const { return NULL != fDrawState; }
+
     private:
         GrDrawState* fDrawState;
         int fColorEffectCnt;
         int fCoverageEffectCnt;
     };
 
     int numColorStages() const { return fColorStages.count(); }
     int numCoverageStages() const { return fCoverageStages.count(); }
     int numTotalStages() const { return this->numColorStages() + this->numCoverageStages(); }
 
@@ skipping 628 matching lines @@
      *  @param count      the number of attributes being set, limited to kMaxVertexAttribCnt.
      */
     void setVertexAttribs(const GrVertexAttrib attribs[], int count);
 
     typedef SkRefCnt INHERITED;
 };
 
 GR_MAKE_BITFIELD_OPS(GrDrawState::BlendOptFlags);
 
 #endif