Use C locale for numerics when emitting shaders.

src/gpu/gl/builders/GrGLProgramBuilder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgramBuilder.h"
 
 #include "gl/GrGLGeometryProcessor.h"
@@ skipping 35 matching lines @@
     typedef GrGLProgramBuilder INHERITED;
 };
 
 
 
 //////////////////////////////////////////////////////////////////////////////
 
 const int GrGLProgramBuilder::kVarsPerBlock = 8;
 
 GrGLProgram* GrGLProgramBuilder::CreateProgram(const DrawArgs& args, GrGLGpu* gpu) {
+    GrAutoLocaleSetter als("C");
+
     // create a builder.  This will be handed off to effects so they can use it to add
     // uniforms, varyings, textures, etc
     SkAutoTDelete<GrGLProgramBuilder> builder(CreateProgramBuilder(args, gpu));
 
     GrGLProgramBuilder* pb = builder.get();
 
     // TODO: Once all stages can handle taking a float or vec4 and correctly handling them we can
     // seed correctly here
     GrGLSLExpr4 inputColor;
     GrGLSLExpr4 inputCoverage;
@@ skipping 427 matching lines @@
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() {
     int numProcs = fProcs.count();
     for (int e = 0; e < numProcs; ++e) {
         SkDELETE(fProcs[e]);
     }
 }