Speculative valgrind fix

src/core/SkLightingShader.cpp

 
 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapProcState.h"
 #include "SkColor.h"
@@ skipping 150 matching lines @@
 
         this->initClassID<LightingFP>();
     }
 
     class LightingGLFP : public GrGLFragmentProcessor {
     public:
         LightingGLFP() {
             fLightDir.fX = 10000.0f;
             fLightColor.fX = 0.0f;
             fAmbientColor.fX = 0.0f;
-            fInvNormRotation.fX = 0.0f;
+            fInvNormRotation.set(0.0f, 0.0f);
         }
 
         void emitCode(EmitArgs& args) override {
 
             GrGLFragmentBuilder* fpb = args.fBuilder->getFragmentShaderBuilder();
 
             // add uniforms
             const char* lightDirUniName = NULL;
             fLightDirUni = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                                      kVec3f_GrSLType, kDefault_GrSLPrecision,
@@ skipping 547 matching lines @@
                                              invNormRotation, diffLocalM, normLocalM));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkLightingShader)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLightingShaderImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END
 
 ///////////////////////////////////////////////////////////////////////////////