diff -r 000000000000 -r 6474c204b198 gfx/angle/src/compiler/OutputGLSLBase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/compiler/OutputGLSLBase.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,79 @@
+//
+// Copyright (c) 2002-2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_
+#define CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_
+
+#include <set>
+
+#include "compiler/ForLoopUnroll.h"
+#include "compiler/intermediate.h"
+#include "compiler/ParseHelper.h"
+
+class TOutputGLSLBase : public TIntermTraverser
+{
+public:
+    TOutputGLSLBase(TInfoSinkBase& objSink,
+                    ShArrayIndexClampingStrategy clampingStrategy,
+                    ShHashFunction64 hashFunction,
+                    NameMap& nameMap,
+                    TSymbolTable& symbolTable);
+
+protected:
+    TInfoSinkBase& objSink() { return mObjSink; }
+    void writeTriplet(Visit visit, const char* preStr, const char* inStr, const char* postStr);
+    void writeVariableType(const TType& type);
+    virtual bool writeVariablePrecision(TPrecision precision) = 0;
+    void writeFunctionParameters(const TIntermSequence& args);
+    const ConstantUnion* writeConstantUnion(const TType& type, const ConstantUnion* pConstUnion);
+    TString getTypeName(const TType& type);
+
+    virtual void visitSymbol(TIntermSymbol* node);
+    virtual void visitConstantUnion(TIntermConstantUnion* node);
+    virtual bool visitBinary(Visit visit, TIntermBinary* node);
+    virtual bool visitUnary(Visit visit, TIntermUnary* node);
+    virtual bool visitSelection(Visit visit, TIntermSelection* node);
+    virtual bool visitAggregate(Visit visit, TIntermAggregate* node);
+    virtual bool visitLoop(Visit visit, TIntermLoop* node);
+    virtual bool visitBranch(Visit visit, TIntermBranch* node);
+
+    void visitCodeBlock(TIntermNode* node);
+
+
+    // Return the original name if hash function pointer is NULL;
+    // otherwise return the hashed name.
+    TString hashName(const TString& name);
+    // Same as hashName(), but without hashing built-in variables.
+    TString hashVariableName(const TString& name);
+    // Same as hashName(), but without hashing built-in functions.
+    TString hashFunctionName(const TString& mangled_name);
+
+private:
+    bool structDeclared(const TStructure* structure) const;
+    void declareStruct(const TStructure* structure);
+
+    TInfoSinkBase& mObjSink;
+    bool mDeclaringVariables;
+
+    // Structs are declared as the tree is traversed. This set contains all
+    // the structs already declared. It is maintained so that a struct is
+    // declared only once.
+    typedef std::set<TString> DeclaredStructs;
+    DeclaredStructs mDeclaredStructs;
+
+    ForLoopUnroll mLoopUnroll;
+
+    ShArrayIndexClampingStrategy mClampingStrategy;
+
+    // name hashing.
+    ShHashFunction64 mHashFunction;
+
+    NameMap& mNameMap;
+
+    TSymbolTable& mSymbolTable;
+};
+
+#endif  // CROSSCOMPILERGLSL_OUTPUTGLSLBASE_H_