Turned on SkSL->GLSL compiler

src/sksl/SkSLGLSLCodeGenerator.h

Index: src/sksl/SkSLGLSLCodeGenerator.h
diff --git a/src/sksl/SkSLGLSLCodeGenerator.h b/src/sksl/SkSLGLSLCodeGenerator.h
index 3534affccca2baa5f00aec7c38fdfa9d7a60eecb..985112370822eceb67eaea7fd2178d53798a4ce7 100644
--- a/src/sksl/SkSLGLSLCodeGenerator.h
+++ b/src/sksl/SkSLGLSLCodeGenerator.h
@@ -50,6 +50,11 @@ struct GLCaps {
         kGL_Standard,
         kGLES_Standard
     } fStandard;
+    bool fIsCoreProfile;
+    bool fUsesPrecisionModifiers;
+    bool fMustDeclareFragmentShaderOutput;
+    // The Tegra3 compiler will sometimes never return if we have min(abs(x), y)
+    bool fCanUseMinAndAbsTogether;
 };
 
 /**
@@ -81,6 +86,8 @@ public:
     GLSLCodeGenerator(const Context* context, GLCaps caps)
     : fContext(*context)
     , fCaps(caps)
+    , fOut(nullptr)
+    , fVarCount(0)
     , fIndentation(0)
     , fAtLineStart(true) {}
 
@@ -111,11 +118,11 @@ private:
 
     void writeLayout(const Layout& layout);
 
-    void writeModifiers(const Modifiers& modifiers);
+    void writeModifiers(const Modifiers& modifiers, bool globalContext);
     
     void writeGlobalVars(const VarDeclaration& vs);
 
-    void writeVarDeclarations(const VarDeclarations& decl);
+    void writeVarDeclarations(const VarDeclarations& decl, bool global);
 
     void writeVariableReference(const VariableReference& ref);
 
@@ -123,6 +130,8 @@ private:
     
     void writeIntrinsicCall(const FunctionCall& c);
 
+    void writeMinAbsHack(Expression& absExpr, Expression& otherExpr);
+
     void writeFunctionCall(const FunctionCall& c);
 
     void writeConstructor(const Constructor& c);
@@ -164,6 +173,9 @@ private:
     const Context& fContext;
     const GLCaps fCaps;
     std::ostream* fOut;
+    std::string fFunctionHeader;
+    Program::Kind fProgramKind;
+    int fVarCount;
     int fIndentation;
     bool fAtLineStart;
     // Keeps track of which struct types we have written. Given that we are unlikely to ever write