Added registerChild; transforms, textures, glKey automatically handled.

src/effects/SkDisplacementMapEffect.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDisplacementMapEffect.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
@@ skipping 326 matching lines @@
                                                     yChannelSelector,
                                                     scale,
                                                     displacement,
                                                     offsetMatrix,
                                                     color,
                                                     colorDimensions));
     }
 
     virtual ~GrDisplacementMapEffect();
 
-    virtual void getGLProcessorKey(const GrGLSLCaps& caps,
-                                   GrProcessorKeyBuilder* b) const override {
-        GrGLDisplacementMapEffect::GenKey(*this, caps, b);
-    }
-
     GrGLFragmentProcessor* createGLInstance() const override {
         return SkNEW_ARGS(GrGLDisplacementMapEffect, (*this));
     }
 
     SkDisplacementMapEffect::ChannelSelectorType xChannelSelector() const
         { return fXChannelSelector; }
     SkDisplacementMapEffect::ChannelSelectorType yChannelSelector() const
         { return fYChannelSelector; }
     const SkVector& scale() const { return fScale; }
 
     const char* name() const override { return "DisplacementMap"; }
     const GrTextureDomain& domain() const { return fDomain; }
 
 private:
+    virtual void onGetGLProcessorKey(const GrGLSLCaps& caps,
+                                     GrProcessorKeyBuilder* b) const override {
+        GrGLDisplacementMapEffect::GenKey(*this, caps, b);
+    }
+
     bool onIsEqual(const GrFragmentProcessor&) const override;
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override;
 
     GrDisplacementMapEffect(GrProcessorDataManager*,
                             SkDisplacementMapEffect::ChannelSelectorType xChannelSelector,
                             SkDisplacementMapEffect::ChannelSelectorType yChannelSelector,
                             const SkVector& scale,
                             GrTexture* displacement, const SkMatrix& offsetMatrix,
                             GrTexture* color,
@@ skipping 262 matching lines @@
                                        const GrGLSLCaps&, GrProcessorKeyBuilder* b) {
     const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMapEffect>();
 
     uint32_t xKey = displacementMap.xChannelSelector();
     uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBits;
 
     b->add32(xKey | yKey);
 }
 #endif