kc3-lang/angle/src/compiler/Initialize.cpp

Branch : - branch - main - tag -

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  Commit

• Author : Nicolas Capens
  Date : 2013-07-11 11:10:34
  Hash : 77c9d1a4
  Message : Add shadow texture intrinsics to the symbol table. TRAC #23394 Signed-off-by: Jamie Madill Signed-off-by: Shannon Woods Author: Nicolas Capens

• src/compiler/Initialize.cpp

• //
  // Copyright (c) 2002-2013 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.
  //
  
  //
  // Create strings that declare built-in definitions, add built-ins that
  // cannot be expressed in the files, and establish mappings between 
  // built-in functions and operators.
  //
  
  #include "compiler/Initialize.h"
  
  #include "compiler/intermediate.h"
  
  void InsertBuiltInFunctions(ShShaderType type, ShShaderSpec spec, const ShBuiltInResources &resources, TSymbolTable &symbolTable)
  {
      TType *float1 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 1);
      TType *float2 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 2);
      TType *float3 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 3);
      TType *float4 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 4);
  
      TType *int1 = new TType(EbtInt, EbpUndefined, EvqGlobal, 1);
      TType *int2 = new TType(EbtInt, EbpUndefined, EvqGlobal, 2);
      TType *int3 = new TType(EbtInt, EbpUndefined, EvqGlobal, 3);
      TType *int4 = new TType(EbtInt, EbpUndefined, EvqGlobal, 4);
  
      //
      // Angle and Trigonometric Functions.
      //
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "radians", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "radians", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "radians", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "radians", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "degrees", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "degrees", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "degrees", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "degrees", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sin", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sin", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sin", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sin", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "cos", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "cos", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "cos", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "cos", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "tan", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "tan", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "tan", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "tan", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "asin", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "asin", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "asin", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "asin", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "acos", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "acos", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "acos", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "acos", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "atan", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "atan", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "atan", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "atan", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "atan", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "atan", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "atan", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "atan", float4);
  
      //
      // Exponential Functions.
      //
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "pow", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "pow", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "pow", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "pow", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "exp", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "exp", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "exp", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "exp", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "log", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "log", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "log", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "log", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "exp2", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "exp2", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "exp2", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "exp2", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "log2", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "log2", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "log2", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "log2", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sqrt", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sqrt", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sqrt", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sqrt", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "inversesqrt", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "inversesqrt", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "inversesqrt", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "inversesqrt", float4);
  
      //
      // Common Functions.
      //
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "abs", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "abs", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "abs", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "abs", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sign", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sign", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sign", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sign", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "floor", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "floor", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "floor", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "floor", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "ceil", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "ceil", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "ceil", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "ceil", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "fract", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "fract", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "fract", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "fract", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "mod", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mod", float2, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mod", float3, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mod", float4, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mod", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mod", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mod", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "min", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "min", float2, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "min", float3, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "min", float4, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "min", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "min", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "min", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "max", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "max", float2, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "max", float3, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "max", float4, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "max", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "max", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "max", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "clamp", float1, float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "clamp", float2, float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "clamp", float3, float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "clamp", float4, float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "clamp", float2, float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "clamp", float3, float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "clamp", float4, float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "mix", float1, float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mix", float2, float2, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mix", float3, float3, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mix", float4, float4, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mix", float2, float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mix", float3, float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mix", float4, float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "step", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "step", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "step", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "step", float4, float4);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "step", float1, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "step", float1, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "step", float1, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "smoothstep", float1, float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "smoothstep", float2, float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "smoothstep", float3, float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "smoothstep", float4, float4, float4);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "smoothstep", float1, float1, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "smoothstep", float1, float1, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "smoothstep", float1, float1, float4);
  
      //
      // Geometric Functions.
      //
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "cross", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "normalize", float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "normalize", float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "normalize", float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "normalize", float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "faceforward", float1, float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "faceforward", float2, float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "faceforward", float3, float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "faceforward", float4, float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "reflect", float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "reflect", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "reflect", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "reflect", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "refract", float1, float1, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "refract", float2, float2, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "refract", float3, float3, float1);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "refract", float4, float4, float1);
  
      TType *mat2 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 2, 2);
      TType *mat3 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 3, 3);
      TType *mat4 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 4, 4);
  
      //
      // Matrix Functions.
      //
      symbolTable.insertBuiltIn(COMMON_BUILTINS, mat2, "matrixCompMult", mat2, mat2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, mat3, "matrixCompMult", mat3, mat3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, mat4, "matrixCompMult", mat4, mat4);
  
      TType *bool1 = new TType(EbtBool, EbpUndefined, EvqGlobal, 1);
      TType *bool2 = new TType(EbtBool, EbpUndefined, EvqGlobal, 2);
      TType *bool3 = new TType(EbtBool, EbpUndefined, EvqGlobal, 3);
      TType *bool4 = new TType(EbtBool, EbpUndefined, EvqGlobal, 4);
  
      //
      // Vector relational functions.
      //
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThan", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThan", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThan", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThan", int2, int2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThan", int3, int3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThan", int4, int4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThanEqual", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThanEqual", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThanEqual", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThanEqual", int2, int2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThanEqual", int3, int3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThanEqual", int4, int4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThan", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThan", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThan", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThan", int2, int2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThan", int3, int3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThan", int4, int4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThanEqual", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThanEqual", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThanEqual", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThanEqual", int2, int2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThanEqual", int3, int3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThanEqual", int4, int4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", int2, int2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", int3, int3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", int4, int4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", bool2, bool2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", bool3, bool3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", bool4, bool4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", float2, float2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", float3, float3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", float4, float4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", int2, int2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", int3, int3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", int4, int4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", bool2, bool2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", bool3, bool3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", bool4, bool4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool4);
  
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "not", bool2);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "not", bool3);
      symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "not", bool4);
  
      TType *sampler2D = new TType(EbtSampler2D, EbpUndefined, EvqGlobal, 1);
      TType *samplerCube = new TType(EbtSamplerCube, EbpUndefined, EvqGlobal, 1);
  
      //
      // Texture Functions for GLSL ES 1.0
      //
      symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2);
      symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3);
      symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4);
      symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3);
  
      if (resources.OES_EGL_image_external)
      {
          TType *samplerExternalOES = new TType(EbtSamplerExternalOES, EbpUndefined, EvqGlobal, 1);
  
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", samplerExternalOES, float2);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES, float3);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES, float4);
      }
  
      if (resources.ARB_texture_rectangle)
      {
          TType *sampler2DRect = new TType(EbtSampler2DRect, EbpUndefined, EvqGlobal, 1);
  
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRect", sampler2DRect, float2);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRectProj", sampler2DRect, float3);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRectProj", sampler2DRect, float4);
      }
  
      if (type == SH_FRAGMENT_SHADER)
      {
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2, float1);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3, float1);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4, float1);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3, float1);
  
          if (resources.OES_standard_derivatives)
          {
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "dFdx", float1);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "dFdx", float2);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "dFdx", float3);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "dFdx", float4);
              
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "dFdy", float1);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "dFdy", float2);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "dFdy", float3);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "dFdy", float4);
  
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "fwidth", float1);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "fwidth", float2);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "fwidth", float3);
              symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "fwidth", float4);
          }
      }
  
      if(type == SH_VERTEX_SHADER)
      {
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLod", sampler2D, float2, float1);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float3, float1);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float4, float1);
          symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeLod", samplerCube, float3, float1);
      }
  
      TType *sampler3D = new TType(EbtSampler3D, EbpUndefined, EvqGlobal, 1);
      TType *sampler2DArray = new TType(EbtSampler2DArray, EbpUndefined, EvqGlobal, 1);
  
      //
      // Texture Functions for GLSL ES 3.0
      //
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", sampler2D, float2);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", sampler3D, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", samplerCube, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", sampler2DArray, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", sampler2D, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", sampler2D, float4);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", sampler3D, float4);
  
      if (type == SH_FRAGMENT_SHADER)
      {
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", sampler2D, float2, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", sampler3D, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", samplerCube, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", sampler2DArray, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", sampler2D, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", sampler2D, float4, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", sampler3D, float4, float1);
      }
  
      TType *isampler2D = new TType(EbtISampler2D, EbpUndefined, EvqGlobal, 1);
      TType *isampler3D = new TType(EbtISampler3D, EbpUndefined, EvqGlobal, 1);
      TType *isamplerCube = new TType(EbtISamplerCube, EbpUndefined, EvqGlobal, 1);
      TType *isampler2DArray = new TType(EbtISampler2DArray, EbpUndefined, EvqGlobal, 1);
  
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "texture", isampler2D, float2);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "texture", isampler3D, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "texture", isamplerCube, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "texture", isampler2DArray, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "textureProj", isampler2D, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "textureProj", isampler2D, float4);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "textureProj", isampler3D, float4);
  
      if (type == SH_FRAGMENT_SHADER)
      {
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "texture", isampler2D, float2, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "texture", isampler3D, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "texture", isamplerCube, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "texture", isampler2DArray, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "textureProj", isampler2D, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "textureProj", isampler2D, float4, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, int4, "textureProj", isampler3D, float4, float1);
      }
  
      TType *usampler2D = new TType(EbtUSampler2D, EbpUndefined, EvqGlobal, 1);
      TType *usampler3D = new TType(EbtUSampler3D, EbpUndefined, EvqGlobal, 1);
      TType *usamplerCube = new TType(EbtUSamplerCube, EbpUndefined, EvqGlobal, 1);
      TType *usampler2DArray = new TType(EbtUSampler2DArray, EbpUndefined, EvqGlobal, 1);
      TType *uint4 = new TType(EbtUInt, EbpUndefined, EvqGlobal, 4);
  
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "texture", usampler2D, float2);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "texture", usampler3D, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "texture", usamplerCube, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "texture", usampler2DArray, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "textureProj", usampler2D, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "textureProj", usampler2D, float4);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "textureProj", usampler3D, float4);
  
      if (type == SH_FRAGMENT_SHADER)
      {
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "texture", usampler2D, float2, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "texture", usampler3D, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "texture", usamplerCube, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "texture", usampler2DArray, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "textureProj", usampler2D, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "textureProj", usampler2D, float4, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, uint4, "textureProj", usampler3D, float4, float1);
      }
  
      TType *sampler2DShadow = new TType(EbtSampler2DShadow, EbpUndefined, EvqGlobal, 1);
      TType *samplerCubeShadow = new TType(EbtSamplerCubeShadow, EbpUndefined, EvqGlobal, 1);
      TType *sampler2DArrayShadow = new TType(EbtSampler2DArrayShadow, EbpUndefined, EvqGlobal, 1);
  
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DShadow, float3);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", samplerCubeShadow, float4);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DArrayShadow, float4);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProj", sampler2DShadow, float4);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLod", sampler2DShadow, float3);
  
      if (type == SH_FRAGMENT_SHADER)
      {
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DShadow, float3, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", samplerCubeShadow, float4, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DArrayShadow, float4, float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProj", sampler2DShadow, float4, float1);
      }
  
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", sampler2D, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", isampler2D, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", usampler2D, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler3D, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", isampler3D, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", usampler3D, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerCube, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", isamplerCube, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", usamplerCube, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler2DArray, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", isampler2DArray, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", usampler2DArray, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", sampler2DShadow, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerCubeShadow, int1);
      symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler2DArrayShadow, int1);
  
      if(type == SH_FRAGMENT_SHADER)
      {
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "dFdx", float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "dFdx", float2);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "dFdx", float3);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "dFdx", float4);
              
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "dFdy", float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "dFdy", float2);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "dFdy", float3);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "dFdy", float4);
  
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "fwidth", float1);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "fwidth", float2);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "fwidth", float3);
          symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "fwidth", float4);
      }
  
      //
      // Depth range in window coordinates
      //
      TFieldList *fields = NewPoolTFieldList();
      TSourceLoc zeroSourceLoc = {0};
      TField *near = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("near"), zeroSourceLoc);
      TField *far = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("far"), zeroSourceLoc);
      TField *diff = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("diff"), zeroSourceLoc);
      fields->push_back(near);
      fields->push_back(far);
      fields->push_back(diff);
      TStructure *depthRangeStruct = new TStructure(NewPoolTString("gl_DepthRangeParameters"), fields);
      TVariable *depthRangeParameters = new TVariable(&depthRangeStruct->name(), depthRangeStruct, true);
      symbolTable.insert(COMMON_BUILTINS, *depthRangeParameters);
      TVariable *depthRange = new TVariable(NewPoolTString("gl_DepthRange"), TType(depthRangeStruct));
      depthRange->setQualifier(EvqUniform);
      symbolTable.insert(COMMON_BUILTINS, *depthRange);
  
      //
      // Implementation dependent built-in constants.
      //
      symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexAttribs", resources.MaxVertexAttribs);
      symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexUniformVectors", resources.MaxVertexUniformVectors);
      symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexTextureImageUnits", resources.MaxVertexTextureImageUnits);
      symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxCombinedTextureImageUnits", resources.MaxCombinedTextureImageUnits);
      symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxTextureImageUnits", resources.MaxTextureImageUnits);
      symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxFragmentUniformVectors", resources.MaxFragmentUniformVectors);
  
      symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxVaryingVectors", resources.MaxVaryingVectors);
  
      if (spec != SH_CSS_SHADERS_SPEC)
      {
          symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxDrawBuffers", resources.MaxDrawBuffers);
      }
  
      symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxVertexOutputVectors", resources.MaxVertexOutputVectors);
      symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxFragmentInputVectors", resources.MaxFragmentInputVectors);
      symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MinProgramTexelOffset", resources.MinProgramTexelOffset);
      symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxProgramTexelOffset", resources.MaxProgramTexelOffset);
  }
  
  void IdentifyBuiltIns(ShShaderType type, ShShaderSpec spec,
                        const ShBuiltInResources &resources,
                        TSymbolTable &symbolTable)
  {
      //
      // First, insert some special built-in variables that are not in 
      // the built-in header files.
      //
      switch(type) {
      case SH_FRAGMENT_SHADER:
          symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_FragCoord"), TType(EbtFloat, EbpMedium, EvqFragCoord,   4)));
          symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_FrontFacing"), TType(EbtBool,  EbpUndefined, EvqFrontFacing, 1)));
          symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_PointCoord"), TType(EbtFloat, EbpMedium, EvqPointCoord,  2)));
  
          //
          // In CSS Shaders, gl_FragColor, gl_FragData, and gl_MaxDrawBuffers are not available.
          // Instead, css_MixColor and css_ColorMatrix are available.
          //
          if (spec != SH_CSS_SHADERS_SPEC) {
              symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragColor"), TType(EbtFloat, EbpMedium, EvqFragColor,   4)));
              symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragData[gl_MaxDrawBuffers]"), TType(EbtFloat, EbpMedium, EvqFragData,    4)));
              if (resources.EXT_frag_depth) {
                  symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragDepthEXT"), TType(EbtFloat, resources.FragmentPrecisionHigh ? EbpHigh : EbpMedium, EvqFragDepth, 1)));
                  symbolTable.relateToExtension(ESSL1_BUILTINS, "gl_FragDepthEXT", "GL_EXT_frag_depth");
              }
          } else {
              symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("css_MixColor"), TType(EbtFloat, EbpMedium, EvqGlobal,      4)));
              symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("css_ColorMatrix"), TType(EbtFloat, EbpMedium, EvqGlobal,      4, 4)));
          }
  
          break;
  
      case SH_VERTEX_SHADER:
          symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_Position"), TType(EbtFloat, EbpHigh, EvqPosition,    4)));
          symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_PointSize"), TType(EbtFloat, EbpMedium, EvqPointSize,   1)));
          break;
  
      default: assert(false && "Language not supported");
      }
  
      //
      // Next, identify which built-ins from the already loaded headers have
      // a mapping to an operator.  Those that are not identified as such are
      // expected to be resolved through a library of functions, versus as
      // operations.
      //
      symbolTable.relateToOperator(COMMON_BUILTINS, "matrixCompMult",   EOpMul);
  
      symbolTable.relateToOperator(COMMON_BUILTINS, "equal",            EOpVectorEqual);
      symbolTable.relateToOperator(COMMON_BUILTINS, "notEqual",         EOpVectorNotEqual);
      symbolTable.relateToOperator(COMMON_BUILTINS, "lessThan",         EOpLessThan);
      symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThan",      EOpGreaterThan);
      symbolTable.relateToOperator(COMMON_BUILTINS, "lessThanEqual",    EOpLessThanEqual);
      symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThanEqual", EOpGreaterThanEqual);
      
      symbolTable.relateToOperator(COMMON_BUILTINS, "radians",      EOpRadians);
      symbolTable.relateToOperator(COMMON_BUILTINS, "degrees",      EOpDegrees);
      symbolTable.relateToOperator(COMMON_BUILTINS, "sin",          EOpSin);
      symbolTable.relateToOperator(COMMON_BUILTINS, "cos",          EOpCos);
      symbolTable.relateToOperator(COMMON_BUILTINS, "tan",          EOpTan);
      symbolTable.relateToOperator(COMMON_BUILTINS, "asin",         EOpAsin);
      symbolTable.relateToOperator(COMMON_BUILTINS, "acos",         EOpAcos);
      symbolTable.relateToOperator(COMMON_BUILTINS, "atan",         EOpAtan);
  
      symbolTable.relateToOperator(COMMON_BUILTINS, "pow",          EOpPow);
      symbolTable.relateToOperator(COMMON_BUILTINS, "exp2",         EOpExp2);
      symbolTable.relateToOperator(COMMON_BUILTINS, "log",          EOpLog);
      symbolTable.relateToOperator(COMMON_BUILTINS, "exp",          EOpExp);
      symbolTable.relateToOperator(COMMON_BUILTINS, "log2",         EOpLog2);
      symbolTable.relateToOperator(COMMON_BUILTINS, "sqrt",         EOpSqrt);
      symbolTable.relateToOperator(COMMON_BUILTINS, "inversesqrt",  EOpInverseSqrt);
  
      symbolTable.relateToOperator(COMMON_BUILTINS, "abs",          EOpAbs);
      symbolTable.relateToOperator(COMMON_BUILTINS, "sign",         EOpSign);
      symbolTable.relateToOperator(COMMON_BUILTINS, "floor",        EOpFloor);
      symbolTable.relateToOperator(COMMON_BUILTINS, "ceil",         EOpCeil);
      symbolTable.relateToOperator(COMMON_BUILTINS, "fract",        EOpFract);
      symbolTable.relateToOperator(COMMON_BUILTINS, "mod",          EOpMod);
      symbolTable.relateToOperator(COMMON_BUILTINS, "min",          EOpMin);
      symbolTable.relateToOperator(COMMON_BUILTINS, "max",          EOpMax);
      symbolTable.relateToOperator(COMMON_BUILTINS, "clamp",        EOpClamp);
      symbolTable.relateToOperator(COMMON_BUILTINS, "mix",          EOpMix);
      symbolTable.relateToOperator(COMMON_BUILTINS, "step",         EOpStep);
      symbolTable.relateToOperator(COMMON_BUILTINS, "smoothstep",   EOpSmoothStep);
  
      symbolTable.relateToOperator(COMMON_BUILTINS, "length",       EOpLength);
      symbolTable.relateToOperator(COMMON_BUILTINS, "distance",     EOpDistance);
      symbolTable.relateToOperator(COMMON_BUILTINS, "dot",          EOpDot);
      symbolTable.relateToOperator(COMMON_BUILTINS, "cross",        EOpCross);
      symbolTable.relateToOperator(COMMON_BUILTINS, "normalize",    EOpNormalize);
      symbolTable.relateToOperator(COMMON_BUILTINS, "faceforward",  EOpFaceForward);
      symbolTable.relateToOperator(COMMON_BUILTINS, "reflect",      EOpReflect);
      symbolTable.relateToOperator(COMMON_BUILTINS, "refract",      EOpRefract);
      
      symbolTable.relateToOperator(COMMON_BUILTINS, "any",          EOpAny);
      symbolTable.relateToOperator(COMMON_BUILTINS, "all",          EOpAll);
      symbolTable.relateToOperator(COMMON_BUILTINS, "not",          EOpVectorLogicalNot);
  
      // Map language-specific operators.
      switch(type) {
      case SH_VERTEX_SHADER:
          break;
      case SH_FRAGMENT_SHADER:
          if (resources.OES_standard_derivatives) {
              symbolTable.relateToOperator(ESSL1_BUILTINS, "dFdx",   EOpDFdx);
              symbolTable.relateToOperator(ESSL1_BUILTINS, "dFdy",   EOpDFdy);
              symbolTable.relateToOperator(ESSL1_BUILTINS, "fwidth", EOpFwidth);
  
              symbolTable.relateToExtension(ESSL1_BUILTINS, "dFdx", "GL_OES_standard_derivatives");
              symbolTable.relateToExtension(ESSL1_BUILTINS, "dFdy", "GL_OES_standard_derivatives");
              symbolTable.relateToExtension(ESSL1_BUILTINS, "fwidth", "GL_OES_standard_derivatives");
          }
          break;
      default: break;
      }
  
      symbolTable.relateToOperator(ESSL3_BUILTINS, "dFdx",   EOpDFdx);
      symbolTable.relateToOperator(ESSL3_BUILTINS, "dFdy",   EOpDFdy);
      symbolTable.relateToOperator(ESSL3_BUILTINS, "fwidth", EOpFwidth);
  
      // Finally add resource-specific variables.
      switch(type) {
      case SH_FRAGMENT_SHADER:
          if (spec != SH_CSS_SHADERS_SPEC) {
              // Set up gl_FragData.  The array size.
              TType fragData(EbtFloat, EbpMedium, EvqFragData, 4, 1, true);
              fragData.setArraySize(resources.MaxDrawBuffers);
              symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragData"), fragData));
          }
          break;
      default: break;
      }
  }
  
  void InitExtensionBehavior(const ShBuiltInResources& resources,
                             TExtensionBehavior& extBehavior)
  {
      if (resources.OES_standard_derivatives)
          extBehavior["GL_OES_standard_derivatives"] = EBhUndefined;
      if (resources.OES_EGL_image_external)
          extBehavior["GL_OES_EGL_image_external"] = EBhUndefined;
      if (resources.ARB_texture_rectangle)
          extBehavior["GL_ARB_texture_rectangle"] = EBhUndefined;
      if (resources.EXT_draw_buffers)
          extBehavior["GL_EXT_draw_buffers"] = EBhUndefined;
      if (resources.EXT_frag_depth)
          extBehavior["GL_EXT_frag_depth"] = EBhUndefined;
  }