Make GrDrawState and GrPaint take GrEffect* instead of GrEffectRef*.

Make Sk-effect virtuals produce GrEffect* rather than GrEffectRef*

Make GrEffectRef a typedef for GrEffect.

Committed: https://skia.googlesource.com/skia/+/2011fe9cdfa63b83489a146cea6a724cede352c8

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/377503004
diff --git a/include/core/SkColorFilter.h b/include/core/SkColorFilter.h
index c26bc07..25e6bbe 100644
--- a/include/core/SkColorFilter.h
+++ b/include/core/SkColorFilter.h
@@ -15,7 +15,7 @@
 #include "SkXfermode.h"
 
 class SkBitmap;
-class GrEffectRef;
+class GrEffect;
 class GrContext;
 
 /**
@@ -126,7 +126,7 @@
     /** A subclass may implement this factory function to work with the GPU backend. If the return
         is non-NULL then the caller owns a ref on the returned object.
      */
-    virtual GrEffectRef* asNewEffect(GrContext*) const;
+    virtual GrEffect* asNewEffect(GrContext*) const;
 
     SK_TO_STRING_PUREVIRT()
 
diff --git a/include/core/SkColorShader.h b/include/core/SkColorShader.h
index 8603577..ba17f6c 100644
--- a/include/core/SkColorShader.h
+++ b/include/core/SkColorShader.h
@@ -58,7 +58,7 @@
 
     virtual bool asNewEffect(GrContext* context, const SkPaint& paint,
                              const SkMatrix* localMatrix, GrColor* grColor,
-                             GrEffectRef** grEffect) const SK_OVERRIDE;
+                             GrEffect** grEffect) const SK_OVERRIDE;
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkColorShader)
diff --git a/include/core/SkImageFilter.h b/include/core/SkImageFilter.h
index 15e9a2f..012a7f7 100644
--- a/include/core/SkImageFilter.h
+++ b/include/core/SkImageFilter.h
@@ -16,7 +16,7 @@
 class SkColorFilter;
 class SkBaseDevice;
 struct SkIPoint;
-class GrEffectRef;
+class GrEffect;
 class GrTexture;
 
 /**
@@ -282,7 +282,7 @@
      *  will be called with (NULL, NULL, SkMatrix::I()) to query for support,
      *  so returning "true" indicates support for all possible matrices.
      */
-    virtual bool asNewEffect(GrEffectRef** effect,
+    virtual bool asNewEffect(GrEffect** effect,
                              GrTexture*,
                              const SkMatrix& matrix,
                              const SkIRect& bounds) const;
diff --git a/include/core/SkMaskFilter.h b/include/core/SkMaskFilter.h
index 72f20af..3992512 100644
--- a/include/core/SkMaskFilter.h
+++ b/include/core/SkMaskFilter.h
@@ -72,7 +72,7 @@
      * If effect is non-NULL, a new GrEffect instance is stored in it. The caller assumes ownership
      * of the effect and must unref it.
      */
-    virtual bool asNewEffect(GrEffectRef** effect,
+    virtual bool asNewEffect(GrEffect** effect,
                              GrTexture*,
                              const SkMatrix& ctm) const;
 
diff --git a/include/core/SkShader.h b/include/core/SkShader.h
index 31f57cc..2ed91f8 100644
--- a/include/core/SkShader.h
+++ b/include/core/SkShader.h
@@ -20,7 +20,7 @@
 class SkPicture;
 class SkXfermode;
 class GrContext;
-class GrEffectRef;
+class GrEffect;
 
 /** \class SkShader
  *
@@ -384,7 +384,7 @@
      */
     virtual bool asNewEffect(GrContext* context, const SkPaint& paint,
                              const SkMatrix* localMatrixOrNull, GrColor* grColor,
-                             GrEffectRef** grEffect) const;
+                             GrEffect** grEffect) const;
 
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
     /**
diff --git a/include/core/SkXfermode.h b/include/core/SkXfermode.h
index c0a6572..74fd9f8 100644
--- a/include/core/SkXfermode.h
+++ b/include/core/SkXfermode.h
@@ -13,7 +13,7 @@
 #include "SkFlattenable.h"
 #include "SkColor.h"
 
-class GrEffectRef;
+class GrEffect;
 class GrTexture;
 class SkString;
 
@@ -198,7 +198,7 @@
         fragment shader. If NULL, the effect should request access to destination color
         (setWillReadDstColor()), and use that in the fragment shader (builder->dstColor()).
      */
-    virtual bool asNewEffect(GrEffectRef** effect, GrTexture* background = NULL) const;
+    virtual bool asNewEffect(GrEffect** effect, GrTexture* background = NULL) const;
 
     /** Returns true if the xfermode can be expressed as coeffs (src, dst), or as an effect
         (effect). This helper calls the asCoeff() and asNewEffect() virtuals. If the xfermode is
@@ -206,7 +206,7 @@
         simply test the return value.  effect, src, and dst must all be NULL or all non-NULL.
      */
     static bool AsNewEffectOrCoeff(SkXfermode*,
-                                   GrEffectRef** effect,
+                                   GrEffect** effect,
                                    Coeff* src,
                                    Coeff* dst,
                                    GrTexture* background = NULL);
diff --git a/include/effects/SkColorMatrixFilter.h b/include/effects/SkColorMatrixFilter.h
index 5cfa468..edbe07d 100644
--- a/include/effects/SkColorMatrixFilter.h
+++ b/include/effects/SkColorMatrixFilter.h
@@ -26,7 +26,7 @@
     virtual uint32_t getFlags() const SK_OVERRIDE;
     virtual bool asColorMatrix(SkScalar matrix[20]) const SK_OVERRIDE;
 #if SK_SUPPORT_GPU
-    virtual GrEffectRef* asNewEffect(GrContext*) const SK_OVERRIDE;
+    virtual GrEffect* asNewEffect(GrContext*) const SK_OVERRIDE;
 #endif
 
     struct State {
diff --git a/include/effects/SkLumaColorFilter.h b/include/effects/SkLumaColorFilter.h
index f2cee29..06eb01a 100644
--- a/include/effects/SkLumaColorFilter.h
+++ b/include/effects/SkLumaColorFilter.h
@@ -28,7 +28,7 @@
     virtual void filterSpan(const SkPMColor src[], int count, SkPMColor[]) const SK_OVERRIDE;
 
 #if SK_SUPPORT_GPU
-    virtual GrEffectRef* asNewEffect(GrContext*) const SK_OVERRIDE;
+    virtual GrEffect* asNewEffect(GrContext*) const SK_OVERRIDE;
 #endif
 
     SK_TO_STRING_OVERRIDE()
diff --git a/include/effects/SkMagnifierImageFilter.h b/include/effects/SkMagnifierImageFilter.h
index 9d8a9b6..b992e28 100644
--- a/include/effects/SkMagnifierImageFilter.h
+++ b/include/effects/SkMagnifierImageFilter.h
@@ -28,7 +28,8 @@
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
 #if SK_SUPPORT_GPU
-    virtual bool asNewEffect(GrEffectRef** effect, GrTexture* texture, const SkMatrix& matrix, const SkIRect& bounds) const SK_OVERRIDE;
+    virtual bool asNewEffect(GrEffect** effect, GrTexture* texture, const SkMatrix& matrix,
+                             const SkIRect& bounds) const SK_OVERRIDE;
 #endif
 
 private:
diff --git a/include/effects/SkMatrixConvolutionImageFilter.h b/include/effects/SkMatrixConvolutionImageFilter.h
index 606de57..6d4c826 100644
--- a/include/effects/SkMatrixConvolutionImageFilter.h
+++ b/include/effects/SkMatrixConvolutionImageFilter.h
@@ -86,7 +86,7 @@
 
 
 #if SK_SUPPORT_GPU
-    virtual bool asNewEffect(GrEffectRef** effect,
+    virtual bool asNewEffect(GrEffect** effect,
                              GrTexture*,
                              const SkMatrix& ctm,
                              const SkIRect& bounds) const SK_OVERRIDE;
diff --git a/include/effects/SkPerlinNoiseShader.h b/include/effects/SkPerlinNoiseShader.h
index 2d9dfdd..3355925 100644
--- a/include/effects/SkPerlinNoiseShader.h
+++ b/include/effects/SkPerlinNoiseShader.h
@@ -97,7 +97,7 @@
     };
 
     virtual bool asNewEffect(GrContext* context, const SkPaint&, const SkMatrix*, GrColor*,
-                             GrEffectRef**) const SK_OVERRIDE;
+                             GrEffect**) const SK_OVERRIDE;
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPerlinNoiseShader)
diff --git a/include/gpu/GrBackendEffectFactory.h b/include/gpu/GrBackendEffectFactory.h
index 0fc981c..af8d5c7 100644
--- a/include/gpu/GrBackendEffectFactory.h
+++ b/include/gpu/GrBackendEffectFactory.h
@@ -23,7 +23,6 @@
     of GrGLEffect.
  */
 
-class GrEffectRef;
 class GrGLEffect;
 class GrGLCaps;
 class GrDrawEffect;
diff --git a/include/gpu/GrEffect.h b/include/gpu/GrEffect.h
index 5fed532..978ad3a 100644
--- a/include/gpu/GrEffect.h
+++ b/include/gpu/GrEffect.h
@@ -21,66 +21,17 @@
 class GrVertexEffect;
 class SkString;
 
-/**
- * A Wrapper class for GrEffect. Its ref-count will track owners that may use effects to enqueue
- * new draw operations separately from ownership within a deferred drawing queue. When the
- * GrEffectRef ref count reaches zero the scratch GrResources owned by the effect can be recycled
- * in service of later draws. However, the deferred draw queue may still own direct references to
- * the underlying GrEffect.
- *
- * GrEffectRefs created by new are placed in a per-thread managed pool. The pool is destroyed when
- * the thread ends. Therefore, all dynamically allocated GrEffectRefs must be unreffed before thread
- * termination.
- */
-class GrEffectRef : public SkRefCnt {
-public:
-    SK_DECLARE_INST_COUNT(GrEffectRef);
-    virtual ~GrEffectRef();
-
-    GrEffect* get() { return fEffect; }
-    const GrEffect* get() const { return fEffect; }
-
-    const GrEffect* operator-> () { return fEffect; }
-    const GrEffect* operator-> () const { return fEffect; }
-
-    void* operator new(size_t size);
-    void operator delete(void* target);
-
-    void* operator new(size_t size, void* placement) {
-        return ::operator new(size, placement);
-    }
-    void operator delete(void* target, void* placement) {
-        ::operator delete(target, placement);
-    }
-
-private:
-    friend class GrEffect; // to construct these
-
-    explicit GrEffectRef(GrEffect* effect);
-
-    GrEffect* fEffect;
-
-    typedef SkRefCnt INHERITED;
-};
-
 /** Provides custom vertex shader, fragment shader, uniform data for a particular stage of the
     Ganesh shading pipeline.
     Subclasses must have a function that produces a human-readable name:
         static const char* Name();
     GrEffect objects *must* be immutable: after being constructed, their fields may not change.
 
-    GrEffect subclass objects should be created by factory functions that return GrEffectRef.
-    There is no public way to wrap a GrEffect in a GrEffectRef. Thus, a factory should be a static
-    member function of a GrEffect subclass.
-
-    Because almost no code should ever handle a GrEffect directly outside of a GrEffectRef, we
-    privately inherit from SkRefCnt to help prevent accidental direct ref'ing/unref'ing of effects.
-
-    Dynamically allocated GrEffects and their corresponding GrEffectRefs are managed by a per-thread
-    memory pool. The ref count of an effect must reach 0 before the thread terminates and the pool
-    is destroyed. To create a static effect use the macro GR_CREATE_STATIC_EFFECT declared below.
+    Dynamically allocated GrEffects are managed by a per-thread memory pool. The ref count of an
+    effect must reach 0 before the thread terminates and the pool is destroyed. To create a static
+    effect use the macro GR_CREATE_STATIC_EFFECT declared below.
   */
-class GrEffect : private SkRefCnt {
+class GrEffect : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrEffect)
 
@@ -124,8 +75,17 @@
         computed by the GrBackendEffectFactory:
             effectA.getFactory().glEffectKey(effectA) == effectB.getFactory().glEffectKey(effectB).
      */
-    bool isEqual(const GrEffectRef& other) const {
-        return this->isEqual(*other.get());
+    bool isEqual(const GrEffect& other) const {
+        if (&this->getFactory() != &other.getFactory()) {
+            return false;
+        }
+        bool result = this->onIsEqual(other);
+#ifdef SK_DEBUG
+        if (result) {
+            this->assertEquality(other);
+        }
+#endif
+        return result;
     }
 
     /** Human-meaningful string to identify this effect; may be embedded
@@ -185,24 +145,6 @@
         ::operator delete(target, placement);
     }
 
-    /** These functions are used when recording effects into a deferred drawing queue. The inc call
-        keeps the effect alive outside of GrEffectRef while allowing any resources owned by the
-        effect to be returned to the cache for reuse. The dec call must balance the inc call. */
-    void incDeferredRefCounts() const {
-        this->ref();
-        int count = fTextureAccesses.count();
-        for (int t = 0; t < count; ++t) {
-            fTextureAccesses[t]->getTexture()->incDeferredRefCount();
-        }
-    }
-    void decDeferredRefCounts() const {
-        int count = fTextureAccesses.count();
-        for (int t = 0; t < count; ++t) {
-            fTextureAccesses[t]->getTexture()->decDeferredRefCount();
-        }
-        this->unref();
-    }
-
 protected:
     /**
      * Subclasses call this from their constructor to register coordinate transformations. The
@@ -225,32 +167,18 @@
         : fWillReadDstColor(false)
         , fWillReadFragmentPosition(false)
         , fWillUseInputColor(true)
-        , fHasVertexCode(false)
-        , fEffectRef(NULL) {}
+        , fHasVertexCode(false) {}
 
     /** This should be called by GrEffect subclass factories. See the comment on AutoEffectUnref for
         an example factory function. */
-    static GrEffectRef* CreateEffectRef(GrEffect* effect) {
-        if (NULL == effect->fEffectRef) {
-            effect->fEffectRef = SkNEW_ARGS(GrEffectRef, (effect));
-        } else {
-            effect->fEffectRef->ref();
-        }
-        return effect->fEffectRef;
+    static GrEffect* CreateEffectRef(GrEffect* effect) {
+        return SkRef(effect);
     }
 
-    static const GrEffectRef* CreateEffectRef(const GrEffect* effect) {
+    static const GrEffect* CreateEffectRef(const GrEffect* effect) {
         return CreateEffectRef(const_cast<GrEffect*>(effect));
     }
 
-    /** Used by GR_CREATE_STATIC_EFFECT below */
-    static GrEffectRef* CreateStaticEffectRef(void* refStorage, GrEffect* effect) {
-        SkASSERT(NULL == effect->fEffectRef);
-        effect->fEffectRef = SkNEW_PLACEMENT_ARGS(refStorage, GrEffectRef, (effect));
-        return effect->fEffectRef;
-    }
-
-
     /** Helper used in subclass factory functions to unref the effect after it has been wrapped in a
         GrEffectRef. E.g.:
 
@@ -261,14 +189,7 @@
                 return CreateEffectRef(effect);
             }
      */
-    class AutoEffectUnref {
-    public:
-        AutoEffectUnref(GrEffect* effect) : fEffect(effect) { }
-        ~AutoEffectUnref() { fEffect->unref(); }
-        operator GrEffect*() { return fEffect; }
-    private:
-        GrEffect* fEffect;
-    };
+    typedef SkAutoTUnref<GrEffect> AutoEffectUnref;
 
     /** Helper for getting the GrEffect out of a GrEffectRef and down-casting to a GrEffect subclass
       */
@@ -299,19 +220,6 @@
     void setWillNotUseInputColor() { fWillUseInputColor = false; }
 
 private:
-    bool isEqual(const GrEffect& other) const {
-        if (&this->getFactory() != &other.getFactory()) {
-            return false;
-        }
-        bool result = this->onIsEqual(other);
-#ifdef SK_DEBUG
-        if (result) {
-            this->assertEquality(other);
-        }
-#endif
-        return result;
-    }
-
     SkDEBUGCODE(void assertEquality(const GrEffect& other) const;)
 
     /** Subclass implements this to support isEqual(). It will only be called if it is known that
@@ -319,12 +227,6 @@
         getFactory()).*/
     virtual bool onIsEqual(const GrEffect& other) const = 0;
 
-    void EffectRefDestroyed() { fEffectRef = NULL; }
-
-    friend class GrEffectRef;    // to call EffectRefDestroyed()
-    friend class GrEffectStage;  // to rewrap GrEffect in GrEffectRef when restoring an effect-stage
-                                 // from deferred state, to call isEqual on naked GrEffects, and
-                                 // to inc/dec deferred ref counts.
     friend class GrVertexEffect; // to set fHasVertexCode and build fVertexAttribTypes.
 
     SkSTArray<4, const GrCoordTransform*, true>  fCoordTransforms;
@@ -334,32 +236,20 @@
     bool                                         fWillReadFragmentPosition;
     bool                                         fWillUseInputColor;
     bool                                         fHasVertexCode;
-    GrEffectRef*                                 fEffectRef;
 
     typedef SkRefCnt INHERITED;
 };
 
-inline GrEffectRef::GrEffectRef(GrEffect* effect) {
-    SkASSERT(NULL != effect);
-    effect->ref();
-    fEffect = effect;
-}
+typedef GrEffect GrEffectRef;
 
 /**
  * This creates an effect outside of the effect memory pool. The effect's destructor will be called
- * at global destruction time. NAME will be the name of the created GrEffectRef.
+ * at global destruction time. NAME will be the name of the created GrEffect.
  */
 #define GR_CREATE_STATIC_EFFECT(NAME, EFFECT_CLASS, ARGS)                                         \
-enum {                                                                                            \
-    k_##NAME##_EffectRefOffset = GR_CT_ALIGN_UP(sizeof(EFFECT_CLASS), 8),                         \
-    k_##NAME##_StorageSize = k_##NAME##_EffectRefOffset + sizeof(GrEffectRef)                     \
-};                                                                                                \
-static SkAlignedSStorage<k_##NAME##_StorageSize> g_##NAME##_Storage;                              \
-static void* NAME##_RefLocation = (char*)g_##NAME##_Storage.get() + k_##NAME##_EffectRefOffset;   \
-static GrEffect* NAME##_Effect SkNEW_PLACEMENT_ARGS(g_##NAME##_Storage.get(), EFFECT_CLASS, ARGS);\
-static SkAutoTDestroy<GrEffect> NAME##_ad(NAME##_Effect);                                         \
-static GrEffectRef* NAME(GrEffect::CreateStaticEffectRef(NAME##_RefLocation, NAME##_Effect));     \
-static SkAutoTDestroy<GrEffectRef> NAME##_Ref_ad(NAME)
+static SkAlignedSStorage<sizeof(EFFECT_CLASS)> g_##NAME##_Storage;                                \
+static GrEffect* NAME SkNEW_PLACEMENT_ARGS(g_##NAME##_Storage.get(), EFFECT_CLASS, ARGS);         \
+static SkAutoTDestroy<GrEffect> NAME##_ad(NAME);
 
 
 #endif
diff --git a/include/gpu/GrEffectStage.h b/include/gpu/GrEffectStage.h
index 84ccbbf..fb0620d 100644
--- a/include/gpu/GrEffectStage.h
+++ b/include/gpu/GrEffectStage.h
@@ -20,8 +20,8 @@
 
 class GrEffectStage {
 public:
-    explicit GrEffectStage(const GrEffectRef* effectRef, int attrIndex0 = -1, int attrIndex1 = -1)
-    : fEffectRef(SkRef(effectRef)) {
+    explicit GrEffectStage(const GrEffect* effect, int attrIndex0 = -1, int attrIndex1 = -1)
+    : fEffect(SkRef(effect)) {
         fCoordChangeMatrixSet = false;
         fVertexAttribIndices[0] = attrIndex0;
         fVertexAttribIndices[1] = attrIndex1;
@@ -36,14 +36,14 @@
         if (other.fCoordChangeMatrixSet) {
             fCoordChangeMatrix = other.fCoordChangeMatrix;
         }
-        fEffectRef.reset(SkRef(other.fEffectRef.get()));
+        fEffect.reset(SkRef(other.fEffect.get()));
         memcpy(fVertexAttribIndices, other.fVertexAttribIndices, sizeof(fVertexAttribIndices));
         return *this;
     }
 
     bool operator== (const GrEffectStage& other) const {
-        SkASSERT(NULL != fEffectRef.get());
-        SkASSERT(NULL != other.fEffectRef.get());
+        SkASSERT(NULL != fEffect.get());
+        SkASSERT(NULL != other.fEffect.get());
 
         if (!this->getEffect()->isEqual(*other.getEffect())) {
             return false;
@@ -81,7 +81,7 @@
     private:
         bool fCoordChangeMatrixSet;
         SkMatrix fCoordChangeMatrix;
-        SkDEBUGCODE(mutable SkAutoTUnref<const GrEffectRef> fEffectRef;)
+        SkDEBUGCODE(mutable SkAutoTUnref<const GrEffect> fEffect;)
 
         friend class GrEffectStage;
     };
@@ -97,9 +97,9 @@
         if (fCoordChangeMatrixSet) {
             savedCoordChange->fCoordChangeMatrix = fCoordChangeMatrix;
         }
-        SkASSERT(NULL == savedCoordChange->fEffectRef.get());
-        SkDEBUGCODE(SkRef(fEffectRef.get());)
-        SkDEBUGCODE(savedCoordChange->fEffectRef.reset(fEffectRef.get());)
+        SkASSERT(NULL == savedCoordChange->fEffect.get());
+        SkDEBUGCODE(SkRef(fEffect.get());)
+        SkDEBUGCODE(savedCoordChange->fEffect.reset(fEffect.get());)
     }
 
     /**
@@ -110,8 +110,8 @@
         if (fCoordChangeMatrixSet) {
             fCoordChangeMatrix = savedCoordChange.fCoordChangeMatrix;
         }
-        SkASSERT(savedCoordChange.fEffectRef.get() == fEffectRef);
-        SkDEBUGCODE(savedCoordChange.fEffectRef.reset(NULL);)
+        SkASSERT(savedCoordChange.fEffect.get() == fEffect);
+        SkDEBUGCODE(savedCoordChange.fEffect.reset(NULL);)
     }
 
     /**
@@ -126,15 +126,15 @@
         }
     }
 
-    const GrEffect* getEffect() const { return fEffectRef.get()->get(); }
+    const GrEffect* getEffect() const { return fEffect.get(); }
 
     const int* getVertexAttribIndices() const { return fVertexAttribIndices; }
-    int getVertexAttribIndexCount() const { return fEffectRef->get()->numVertexAttribs(); }
+    int getVertexAttribIndexCount() const { return fEffect->numVertexAttribs(); }
 
 private:
     bool                                fCoordChangeMatrixSet;
     SkMatrix                            fCoordChangeMatrix;
-    SkAutoTUnref<const GrEffectRef>     fEffectRef;
+    SkAutoTUnref<const GrEffect>        fEffect;
     int                                 fVertexAttribIndices[2];
 };
 
diff --git a/include/gpu/GrEffectUnitTest.h b/include/gpu/GrEffectUnitTest.h
index f71ab54..ffc64f2 100644
--- a/include/gpu/GrEffectUnitTest.h
+++ b/include/gpu/GrEffectUnitTest.h
@@ -32,26 +32,26 @@
 #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
 
 class GrContext;
-class GrEffectRef;
+class GrEffect;
 class GrTexture;
 
 class GrEffectTestFactory : SkNoncopyable {
 public:
 
-    typedef GrEffectRef* (*CreateProc)(SkRandom*,
-                                       GrContext*,
-                                       const GrDrawTargetCaps& caps,
-                                       GrTexture* dummyTextures[]);
+    typedef GrEffect* (*CreateProc)(SkRandom*,
+                                    GrContext*,
+                                    const GrDrawTargetCaps& caps,
+                                    GrTexture* dummyTextures[]);
 
     GrEffectTestFactory(CreateProc createProc) {
         fCreateProc = createProc;
         GetFactories()->push_back(this);
     }
 
-    static GrEffectRef* CreateStage(SkRandom* random,
-                                    GrContext* context,
-                                    const GrDrawTargetCaps& caps,
-                                    GrTexture* dummyTextures[]) {
+    static GrEffect* CreateStage(SkRandom* random,
+                                 GrContext* context,
+                                 const GrDrawTargetCaps& caps,
+                                 GrTexture* dummyTextures[]) {
         uint32_t idx = random->nextRangeU(0, GetFactories()->count() - 1);
         GrEffectTestFactory* factory = (*GetFactories())[idx];
         return factory->fCreateProc(random, context, caps, dummyTextures);
@@ -67,10 +67,10 @@
  */
 #define GR_DECLARE_EFFECT_TEST                                                      \
     static GrEffectTestFactory gTestFactory;                                        \
-    static GrEffectRef* TestCreate(SkRandom*,                                       \
-                                   GrContext*,                                      \
-                                   const GrDrawTargetCaps&,                         \
-                                   GrTexture* dummyTextures[2])
+    static GrEffect* TestCreate(SkRandom*,                                          \
+                                GrContext*,                                         \
+                                const GrDrawTargetCaps&,                            \
+                                GrTexture* dummyTextures[2])
 
 /** GrEffect subclasses should insert this macro in their implementation file. They must then
  *  also implement this static function:
@@ -91,10 +91,10 @@
 // The unit test relies on static initializers. Just declare the TestCreate function so that
 // its definitions will compile.
 #define GR_DECLARE_EFFECT_TEST                                                      \
-    static GrEffectRef* TestCreate(SkRandom*,                                       \
-                                   GrContext*,                                      \
-                                   const GrDrawTargetCaps&,                         \
-                                   GrTexture* dummyTextures[2])
+    static GrEffect* TestCreate(SkRandom*,                                          \
+                                GrContext*,                                         \
+                                const GrDrawTargetCaps&,                            \
+                                GrTexture* dummyTextures[2])
 #define GR_DEFINE_EFFECT_TEST(X)
 
 #endif // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
diff --git a/include/gpu/GrPaint.h b/include/gpu/GrPaint.h
index db9b8cc..20dec35 100644
--- a/include/gpu/GrPaint.h
+++ b/include/gpu/GrPaint.h
@@ -87,9 +87,9 @@
     /**
      * Appends an additional color effect to the color computation.
      */
-    const GrEffectRef* addColorEffect(const GrEffectRef* effect, int attr0 = -1, int attr1 = -1) {
+    const GrEffect* addColorEffect(const GrEffect* effect, int attr0 = -1, int attr1 = -1) {
         SkASSERT(NULL != effect);
-        if (!(*effect)->willUseInputColor()) {
+        if (!effect->willUseInputColor()) {
             fColorStages.reset();
         }
         SkNEW_APPEND_TO_TARRAY(&fColorStages, GrEffectStage, (effect, attr0, attr1));
@@ -99,9 +99,9 @@
     /**
      * Appends an additional coverage effect to the coverage computation.
      */
-    const GrEffectRef* addCoverageEffect(const GrEffectRef* effect, int attr0 = -1, int attr1 = -1) {
+    const GrEffect* addCoverageEffect(const GrEffect* effect, int attr0 = -1, int attr1 = -1) {
         SkASSERT(NULL != effect);
-        if (!(*effect)->willUseInputColor()) {
+        if (!effect->willUseInputColor()) {
             fCoverageStages.reset();
         }
         SkNEW_APPEND_TO_TARRAY(&fCoverageStages, GrEffectStage, (effect, attr0, attr1));