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 //

 // Copyright (c) 2002-2010 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.

 //

 #include "compiler/TranslatorGLSL.h"

 #include "compiler/OutputGLSL.h"

 #include "compiler/VersionGLSL.h"

 static void writeVersion(ShShaderType type, TIntermNode* root,

                          TInfoSinkBase& sink) {

     TVersionGLSL versionGLSL(type);

     root->traverse(&versionGLSL);

     int version = versionGLSL.getVersion();

     // We need to write version directive only if it is greater than 110.

     // If there is no version directive in the shader, 110 is implied.

     if (version > 110) {

         sink << "#version " << version << "\n";

     }

 }

 TranslatorGLSL::TranslatorGLSL(ShShaderType type, ShShaderSpec spec)

     : TCompiler(type, spec) {

 }

 void TranslatorGLSL::translate(TIntermNode* root) {

     TInfoSinkBase& sink = getInfoSink().obj;

     // Write GLSL version.

     writeVersion(getShaderType(), root, sink);

     // Write emulated built-in functions if needed.

     getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition(

         sink, false);

     // Write array bounds clamping emulation if needed.

     getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);

     // Write translated shader.

     TOutputGLSL outputGLSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable());

     root->traverse(&outputGLSL);

 }