Improved distance field sampling

src/gpu/effects/GrDistanceFieldTextureEffect.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDistanceFieldTextureEffect_DEFINED
 #define GrDistanceFieldTextureEffect_DEFINED
 
@@ skipping 10 matching lines @@
  */
 class GrDistanceFieldTextureEffect : public GrVertexEffect {
 public:
     static GrEffectRef* Create(GrTexture* tex, const GrTextureParams& p) {
         AutoEffectUnref effect(SkNEW_ARGS(GrDistanceFieldTextureEffect, (tex, p)));
         return CreateEffectRef(effect);
     }
 
     virtual ~GrDistanceFieldTextureEffect() {}
 
-    static const char* Name() { return "Texture"; }
+    static const char* Name() { return "DistanceFieldTexture"; }
 
     virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
 
     typedef GrGLDistanceFieldTextureEffect GLEffect;
 
     virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;
 
 private:
     GrDistanceFieldTextureEffect(GrTexture* texture, const GrTextureParams& params);
 
     virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE;
 
     GrTextureAccess fTextureAccess;
 
     GR_DECLARE_EFFECT_TEST;
 
     typedef GrVertexEffect INHERITED;
 };
 
 #endif