Turned on SkSL->GLSL compiler

src/gpu/gl/GrGLContext.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 "GrGLContext.h"
 #include "GrGLGLSL.h"
+#include "SkSLCompiler.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 
 GrGLContext* GrGLContext::Create(const GrGLInterface* interface, const GrContextOptions& options) {
     // We haven't validated the GrGLInterface yet, so check for GetString function pointer
     if (!interface->fFunctions.fGetString) {
         return nullptr;
     }
     ConstructorArgs args;
     args.fInterface = interface;
@@ skipping 36 matching lines @@
     }
 
     GrGLGetDriverInfo(interface->fStandard, args.fVendor, renderer, ver,
                       &args.fDriver, &args.fDriverVersion);
 
     args.fContextOptions = &options;
 
     return new GrGLContext(args);
 }
 
+GrGLContext::~GrGLContext() {
+    delete fCompiler;
+}
+
+SkSL::Compiler* GrGLContext::compiler() const {
+    if (!fCompiler) {
+        fCompiler = new SkSL::Compiler();
+    }
+    return fCompiler;
+}
+
 GrGLContextInfo::GrGLContextInfo(const ConstructorArgs& args) {
     fInterface.reset(SkRef(args.fInterface));
     fGLVersion = args.fGLVersion;
     fGLSLGeneration = args.fGLSLGeneration;
     fVendor = args.fVendor;
     fRenderer = args.fRenderer;
     fDriver = args.fDriver;
     fDriverVersion = args.fDriverVersion;
 
     fGLCaps.reset(new GrGLCaps(*args.fContextOptions, *this, fInterface));
 }