Added registerChild; transforms, textures, glKey automatically handled.

src/effects/SkLumaColorFilter.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 "SkLumaColorFilter.h"
 
 #include "SkColorPriv.h"
@@ skipping 47 matching lines @@
 #if SK_SUPPORT_GPU
 class LumaColorFilterEffect : public GrFragmentProcessor {
 public:
     static GrFragmentProcessor* Create() {
         GR_CREATE_STATIC_PROCESSOR(gLumaEffect, LumaColorFilterEffect, ());
         return SkRef(gLumaEffect);
     }
 
     const char* name() const override { return "Luminance-to-Alpha"; }
 
-    virtual void getGLProcessorKey(const GrGLSLCaps& caps,
-                                   GrProcessorKeyBuilder* b) const override {
-        GLProcessor::GenKey(*this, caps, b);
-    }
-
     GrGLFragmentProcessor* createGLInstance() const override {
         return SkNEW_ARGS(GLProcessor, (*this));
     }
 
     class GLProcessor : public GrGLFragmentProcessor {
     public:
         GLProcessor(const GrProcessor&) {}
 
         static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder* b) {}
 
@@ skipping 15 matching lines @@
 
     private:
         typedef GrGLFragmentProcessor INHERITED;
     };
 
 private:
     LumaColorFilterEffect() {
         this->initClassID<LumaColorFilterEffect>();
     }
 
+    virtual void onGetGLProcessorKey(const GrGLSLCaps& caps,
+                                     GrProcessorKeyBuilder* b) const override {
+        GLProcessor::GenKey(*this, caps, b);
+    }
+
     bool onIsEqual(const GrFragmentProcessor&) const override { return true; }
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override {
         // The output is always black. The alpha value for the color passed in is arbitrary.
         inout->setToOther(kRGB_GrColorComponentFlags, GrColorPackRGBA(0, 0, 0, 0),
                           GrInvariantOutput::kWill_ReadInput);
     }
 };
 
 bool SkLumaColorFilter::asFragmentProcessors(GrContext*, GrProcessorDataManager*,
                                              SkTDArray<GrFragmentProcessor*>* array) const {
 
     GrFragmentProcessor* frag = LumaColorFilterEffect::Create();
     if (frag) {
         if (array) {
             *array->append() = frag;
         } else {
             frag->unref();
             SkDEBUGCODE(frag = NULL;)
         }
         return true;
     }
     return false;
 }
 #endif