Fix up flags to SkGpuBlurUtils::GaussianBlur

include/core/SkMaskFilter.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkMaskFilter_DEFINED
@@ skipping 115 matching lines @@
                                           GrDrawContext* drawContext,
                                           GrPaint* grp,
                                           const GrClip&,
                                           const SkMatrix& viewMatrix,
                                           const SkStrokeRec& strokeRec,
                                           const SkRRect& rrect) const;
 
     /**
      * This function is used to implement filters that require an explicit src mask. It should only
      * be called if canFilterMaskGPU returned true and the maskRect param should be the output from
-     * that call. canOverwriteSrc indicates whether the implementation may treat src as a scratch
-     * texture and overwrite its contents. When true it is also legal to return src as the result.
+     * that call.
      * Implementations are free to get the GrContext from the src texture in order to create
      * additional textures and perform multiple passes.
      */
     virtual bool filterMaskGPU(GrTexture* src,
                                const SkMatrix& ctm,
                                const SkIRect& maskRect,
-                               GrTexture** result,
-                               bool canOverwriteSrc) const;
+                               GrTexture** result) const;
 #endif
 
     /**
      * The fast bounds function is used to enable the paint to be culled early
      * in the drawing pipeline. This function accepts the current bounds of the
      * paint as its src param and the filter adjust those bounds using its
      * current mask and returns the result using the dest param. Callers are
      * allowed to provide the same struct for both src and dest so each
      * implementation must accomodate that behavior.
      *
@@ skipping 78 matching lines @@
      mask and then call filterMask(). If this returns true, the specified blitter will be called
      to render that mask. Returns false if filterMask() returned false.
      */
     bool filterRRect(const SkRRect& devRRect, const SkMatrix& ctm, const SkRasterClip&,
                      SkBlitter*) const;
 
     typedef SkFlattenable INHERITED;
 };
 
 #endif