Add ShaderBuilders to EmitArgs and remove gettings from ProgBuilder.

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 54 matching lines @@
     public:
         GLSLProcessor(const GrProcessor&) {}
 
         static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder* b) {}
 
         virtual void emitCode(EmitArgs& args) override {
             if (nullptr == args.fInputColor) {
                 args.fInputColor = "vec4(1)";
             }
 
-            GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
-            fsBuilder->codeAppendf("\tfloat luma = dot(vec3(%f, %f, %f), %s.rgb);\n",
-                                   SK_ITU_BT709_LUM_COEFF_R,
-                                   SK_ITU_BT709_LUM_COEFF_G,
-                                   SK_ITU_BT709_LUM_COEFF_B,
-                                   args.fInputColor);
-            fsBuilder->codeAppendf("\t%s = vec4(0, 0, 0, luma);\n",
-                                   args.fOutputColor);
+            GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+            fragBuilder->codeAppendf("\tfloat luma = dot(vec3(%f, %f, %f), %s.rgb);\n",
+                                     SK_ITU_BT709_LUM_COEFF_R,
+                                     SK_ITU_BT709_LUM_COEFF_G,
+                                     SK_ITU_BT709_LUM_COEFF_B,
+                                     args.fInputColor);
+            fragBuilder->codeAppendf("\t%s = vec4(0, 0, 0, luma);\n",
+                                     args.fOutputColor);
 
         }
 
     private:
         typedef GrGLSLFragmentProcessor INHERITED;
     };
 
 private:
     LumaColorFilterEffect() {
         this->initClassID<LumaColorFilterEffect>();
@@ skipping 15 matching lines @@
         inout->setToOther(kRGB_GrColorComponentFlags, GrColorPackRGBA(0, 0, 0, 0),
                           GrInvariantOutput::kWill_ReadInput);
     }
 };
 
 const GrFragmentProcessor* SkLumaColorFilter::asFragmentProcessor(GrContext*) const {
 
     return LumaColorFilterEffect::Create();
 }
 #endif