src/third_party/angle/src/compiler/translator/Initialize.cpp

   1 //
   2 // Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
   3 // Use of this source code is governed by a BSD-style license that can be
   4 // found in the LICENSE file.
   5 //
   6
   7 //
   8 // Create symbols that declare built-in definitions, add built-ins that
   9 // cannot be expressed in the files, and establish mappings between
  10 // built-in functions and operators.
  11 //
  12
  13 #include "compiler/translator/Initialize.h"
  14
  15 #include "compiler/translator/IntermNode.h"
  16 #include "angle_gl.h"
  17
  18 void InsertBuiltInFunctions(sh::GLenum type, ShShaderSpec spec, const ShBuiltInResources &resources, TSymbolTable &symbolTable)
  19 {
  20     TType *float1 = new TType(EbtFloat);
  21     TType *float2 = new TType(EbtFloat, 2);
  22     TType *float3 = new TType(EbtFloat, 3);
  23     TType *float4 = new TType(EbtFloat, 4);
  24
  25     TType *int1 = new TType(EbtInt);
  26     TType *int2 = new TType(EbtInt, 2);
  27     TType *int3 = new TType(EbtInt, 3);
  28     TType *int4 = new TType(EbtInt, 4);
  29
  30     //
  31     // Angle and Trigonometric Functions.
  32     //
  33     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "radians", float1);
  34     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "radians", float2);
  35     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "radians", float3);
  36     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "radians", float4);
  37
  38     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "degrees", float1);
  39     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "degrees", float2);
  40     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "degrees", float3);
  41     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "degrees", float4);
  42
  43     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sin", float1);
  44     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sin", float2);
  45     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sin", float3);
  46     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sin", float4);
  47
  48     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "cos", float1);
  49     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "cos", float2);
  50     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "cos", float3);
  51     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "cos", float4);
  52
  53     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "tan", float1);
  54     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "tan", float2);
  55     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "tan", float3);
  56     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "tan", float4);
  57
  58     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "asin", float1);
  59     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "asin", float2);
  60     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "asin", float3);
  61     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "asin", float4);
  62
  63     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "acos", float1);
  64     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "acos", float2);
  65     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "acos", float3);
  66     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "acos", float4);
  67
  68     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "atan", float1, float1);
  69     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "atan", float2, float2);
  70     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "atan", float3, float3);
  71     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "atan", float4, float4);
  72
  73     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "atan", float1);
  74     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "atan", float2);
  75     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "atan", float3);
  76     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "atan", float4);
  77
  78     //
  79     // Exponential Functions.
  80     //
  81     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "pow", float1, float1);
  82     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "pow", float2, float2);
  83     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "pow", float3, float3);
  84     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "pow", float4, float4);
  85
  86     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "exp", float1);
  87     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "exp", float2);
  88     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "exp", float3);
  89     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "exp", float4);
  90
  91     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "log", float1);
  92     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "log", float2);
  93     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "log", float3);
  94     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "log", float4);
  95
  96     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "exp2", float1);
  97     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "exp2", float2);
  98     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "exp2", float3);
  99     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "exp2", float4);
 100
 101     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "log2", float1);
 102     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "log2", float2);
 103     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "log2", float3);
 104     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "log2", float4);
 105
 106     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sqrt", float1);
 107     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sqrt", float2);
 108     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sqrt", float3);
 109     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sqrt", float4);
 110
 111     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "inversesqrt", float1);
 112     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "inversesqrt", float2);
 113     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "inversesqrt", float3);
 114     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "inversesqrt", float4);
 115
 116     //
 117     // Common Functions.
 118     //
 119     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "abs", float1);
 120     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "abs", float2);
 121     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "abs", float3);
 122     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "abs", float4);
 123
 124     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "sign", float1);
 125     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "sign", float2);
 126     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "sign", float3);
 127     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "sign", float4);
 128
 129     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "floor", float1);
 130     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "floor", float2);
 131     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "floor", float3);
 132     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "floor", float4);
 133
 134     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "ceil", float1);
 135     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "ceil", float2);
 136     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "ceil", float3);
 137     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "ceil", float4);
 138
 139     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "fract", float1);
 140     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "fract", float2);
 141     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "fract", float3);
 142     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "fract", float4);
 143
 144     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "mod", float1, float1);
 145     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mod", float2, float1);
 146     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mod", float3, float1);
 147     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mod", float4, float1);
 148     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mod", float2, float2);
 149     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mod", float3, float3);
 150     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mod", float4, float4);
 151
 152     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "min", float1, float1);
 153     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "min", float2, float1);
 154     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "min", float3, float1);
 155     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "min", float4, float1);
 156     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "min", float2, float2);
 157     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "min", float3, float3);
 158     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "min", float4, float4);
 159
 160     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "max", float1, float1);
 161     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "max", float2, float1);
 162     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "max", float3, float1);
 163     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "max", float4, float1);
 164     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "max", float2, float2);
 165     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "max", float3, float3);
 166     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "max", float4, float4);
 167
 168     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "clamp", float1, float1, float1);
 169     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "clamp", float2, float1, float1);
 170     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "clamp", float3, float1, float1);
 171     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "clamp", float4, float1, float1);
 172     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "clamp", float2, float2, float2);
 173     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "clamp", float3, float3, float3);
 174     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "clamp", float4, float4, float4);
 175
 176     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "mix", float1, float1, float1);
 177     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mix", float2, float2, float1);
 178     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mix", float3, float3, float1);
 179     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mix", float4, float4, float1);
 180     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "mix", float2, float2, float2);
 181     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "mix", float3, float3, float3);
 182     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "mix", float4, float4, float4);
 183
 184     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "step", float1, float1);
 185     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "step", float2, float2);
 186     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "step", float3, float3);
 187     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "step", float4, float4);
 188     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "step", float1, float2);
 189     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "step", float1, float3);
 190     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "step", float1, float4);
 191
 192     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "smoothstep", float1, float1, float1);
 193     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "smoothstep", float2, float2, float2);
 194     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "smoothstep", float3, float3, float3);
 195     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "smoothstep", float4, float4, float4);
 196     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "smoothstep", float1, float1, float2);
 197     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "smoothstep", float1, float1, float3);
 198     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "smoothstep", float1, float1, float4);
 199
 200     //
 201     // Geometric Functions.
 202     //
 203     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float1);
 204     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float2);
 205     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float3);
 206     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "length", float4);
 207
 208     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float1, float1);
 209     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float2, float2);
 210     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float3, float3);
 211     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "distance", float4, float4);
 212
 213     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float1, float1);
 214     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float2, float2);
 215     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float3, float3);
 216     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "dot", float4, float4);
 217
 218     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "cross", float3, float3);
 219     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "normalize", float1);
 220     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "normalize", float2);
 221     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "normalize", float3);
 222     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "normalize", float4);
 223
 224     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "faceforward", float1, float1, float1);
 225     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "faceforward", float2, float2, float2);
 226     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "faceforward", float3, float3, float3);
 227     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "faceforward", float4, float4, float4);
 228
 229     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "reflect", float1, float1);
 230     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "reflect", float2, float2);
 231     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "reflect", float3, float3);
 232     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "reflect", float4, float4);
 233
 234     symbolTable.insertBuiltIn(COMMON_BUILTINS, float1, "refract", float1, float1, float1);
 235     symbolTable.insertBuiltIn(COMMON_BUILTINS, float2, "refract", float2, float2, float1);
 236     symbolTable.insertBuiltIn(COMMON_BUILTINS, float3, "refract", float3, float3, float1);
 237     symbolTable.insertBuiltIn(COMMON_BUILTINS, float4, "refract", float4, float4, float1);
 238
 239     TType *mat2 = new TType(EbtFloat, 2, 2);
 240     TType *mat3 = new TType(EbtFloat, 3, 3);
 241     TType *mat4 = new TType(EbtFloat, 4, 4);
 242
 243     //
 244     // Matrix Functions.
 245     //
 246     symbolTable.insertBuiltIn(COMMON_BUILTINS, mat2, "matrixCompMult", mat2, mat2);
 247     symbolTable.insertBuiltIn(COMMON_BUILTINS, mat3, "matrixCompMult", mat3, mat3);
 248     symbolTable.insertBuiltIn(COMMON_BUILTINS, mat4, "matrixCompMult", mat4, mat4);
 249
 250     TType *bool1 = new TType(EbtBool);
 251     TType *bool2 = new TType(EbtBool, 2);
 252     TType *bool3 = new TType(EbtBool, 3);
 253     TType *bool4 = new TType(EbtBool, 4);
 254
 255     //
 256     // Vector relational functions.
 257     //
 258     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThan", float2, float2);
 259     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThan", float3, float3);
 260     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThan", float4, float4);
 261
 262     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThan", int2, int2);
 263     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThan", int3, int3);
 264     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThan", int4, int4);
 265
 266     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThanEqual", float2, float2);
 267     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThanEqual", float3, float3);
 268     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThanEqual", float4, float4);
 269
 270     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "lessThanEqual", int2, int2);
 271     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "lessThanEqual", int3, int3);
 272     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "lessThanEqual", int4, int4);
 273
 274     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThan", float2, float2);
 275     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThan", float3, float3);
 276     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThan", float4, float4);
 277
 278     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThan", int2, int2);
 279     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThan", int3, int3);
 280     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThan", int4, int4);
 281
 282     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThanEqual", float2, float2);
 283     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThanEqual", float3, float3);
 284     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThanEqual", float4, float4);
 285
 286     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "greaterThanEqual", int2, int2);
 287     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "greaterThanEqual", int3, int3);
 288     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "greaterThanEqual", int4, int4);
 289
 290     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", float2, float2);
 291     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", float3, float3);
 292     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", float4, float4);
 293
 294     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", int2, int2);
 295     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", int3, int3);
 296     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", int4, int4);
 297
 298     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "equal", bool2, bool2);
 299     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "equal", bool3, bool3);
 300     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "equal", bool4, bool4);
 301
 302     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", float2, float2);
 303     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", float3, float3);
 304     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", float4, float4);
 305
 306     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", int2, int2);
 307     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", int3, int3);
 308     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", int4, int4);
 309
 310     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "notEqual", bool2, bool2);
 311     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "notEqual", bool3, bool3);
 312     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "notEqual", bool4, bool4);
 313
 314     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool2);
 315     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool3);
 316     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "any", bool4);
 317
 318     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool2);
 319     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool3);
 320     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool1, "all", bool4);
 321
 322     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool2, "not", bool2);
 323     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool3, "not", bool3);
 324     symbolTable.insertBuiltIn(COMMON_BUILTINS, bool4, "not", bool4);
 325
 326     TType *sampler2D = new TType(EbtSampler2D);
 327     TType *samplerCube = new TType(EbtSamplerCube);
 328
 329     //
 330     // Texture Functions for GLSL ES 1.0
 331     //
 332     symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2);
 333     symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3);
 334     symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4);
 335     symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3);
 336
 337     if (resources.OES_EGL_image_external)
 338     {
 339         TType *samplerExternalOES = new TType(EbtSamplerExternalOES);
 340
 341         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", samplerExternalOES, float2);
 342         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES, float3);
 343         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES, float4);
 344     }
 345
 346     if (resources.ARB_texture_rectangle)
 347     {
 348         TType *sampler2DRect = new TType(EbtSampler2DRect);
 349
 350         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRect", sampler2DRect, float2);
 351         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRectProj", sampler2DRect, float3);
 352         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DRectProj", sampler2DRect, float4);
 353     }
 354
 355     if (resources.EXT_shader_texture_lod)
 356     {
 357         /* The *Grad* variants are new to both vertex and fragment shaders; the fragment
 358          * shader specific pieces are added separately below.
 359          */
 360         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DGradEXT", sampler2D, float2, float2, float2);
 361         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjGradEXT", sampler2D, float3, float2, float2);
 362         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjGradEXT", sampler2D, float4, float2, float2);
 363         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeGradEXT", samplerCube, float3, float3, float3);
 364     }
 365
 366     if (type == GL_FRAGMENT_SHADER)
 367     {
 368         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2, float1);
 369         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3, float1);
 370         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4, float1);
 371         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3, float1);
 372
 373         if (resources.OES_standard_derivatives)
 374         {
 375             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "dFdx", float1);
 376             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "dFdx", float2);
 377             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "dFdx", float3);
 378             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "dFdx", float4);
 379
 380             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "dFdy", float1);
 381             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "dFdy", float2);
 382             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "dFdy", float3);
 383             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "dFdy", float4);
 384
 385             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float1, "fwidth", float1);
 386             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float2, "fwidth", float2);
 387             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float3, "fwidth", float3);
 388             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "fwidth", float4);
 389         }
 390
 391         if (resources.EXT_shader_texture_lod)
 392         {
 393             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLodEXT", sampler2D, float2, float1);
 394             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLodEXT", sampler2D, float3, float1);
 395             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLodEXT", sampler2D, float4, float1);
 396             symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeLodEXT", samplerCube, float3, float1);
 397         }
 398     }
 399
 400     if(type == GL_VERTEX_SHADER)
 401     {
 402         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLod", sampler2D, float2, float1);
 403         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float3, float1);
 404         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float4, float1);
 405         symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeLod", samplerCube, float3, float1);
 406     }
 407
 408     TType *gvec4 = new TType(EbtGVec4);
 409
 410     TType *gsampler2D = new TType(EbtGSampler2D);
 411     TType *gsamplerCube = new TType(EbtGSamplerCube);
 412     TType *gsampler3D = new TType(EbtGSampler3D);
 413     TType *gsampler2DArray = new TType(EbtGSampler2DArray);
 414
 415     //
 416     // Texture Functions for GLSL ES 3.0
 417     //
 418     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2);
 419     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3);
 420     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3);
 421     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3);
 422     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3);
 423     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4);
 424     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4);
 425     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2D, float2, float1);
 426     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler3D, float3, float1);
 427     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsamplerCube, float3, float1);
 428     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2DArray, float3, float1);
 429
 430     if (type == GL_FRAGMENT_SHADER)
 431     {
 432         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2, float1);
 433         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3, float1);
 434         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3, float1);
 435         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3, float1);
 436         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3, float1);
 437         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4, float1);
 438         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4, float1);
 439     }
 440
 441     TType *sampler2DShadow = new TType(EbtSampler2DShadow);
 442     TType *samplerCubeShadow = new TType(EbtSamplerCubeShadow);
 443     TType *sampler2DArrayShadow = new TType(EbtSampler2DArrayShadow);
 444
 445     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DShadow, float3);
 446     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", samplerCubeShadow, float4);
 447     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DArrayShadow, float4);
 448     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProj", sampler2DShadow, float4);
 449     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLod", sampler2DShadow, float3, float1);
 450
 451     if (type == GL_FRAGMENT_SHADER)
 452     {
 453         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", sampler2DShadow, float3, float1);
 454         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "texture", samplerCubeShadow, float4, float1);
 455         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProj", sampler2DShadow, float4, float1);
 456     }
 457
 458     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsampler2D, int1);
 459     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler3D, int1);
 460     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsamplerCube, int1);
 461     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler2DArray, int1);
 462     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", sampler2DShadow, int1);
 463     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerCubeShadow, int1);
 464     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler2DArrayShadow, int1);
 465
 466     if(type == GL_FRAGMENT_SHADER)
 467     {
 468         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "dFdx", float1);
 469         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "dFdx", float2);
 470         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "dFdx", float3);
 471         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "dFdx", float4);
 472
 473         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "dFdy", float1);
 474         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "dFdy", float2);
 475         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "dFdy", float3);
 476         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "dFdy", float4);
 477
 478         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "fwidth", float1);
 479         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float2, "fwidth", float2);
 480         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float3, "fwidth", float3);
 481         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "fwidth", float4);
 482     }
 483
 484     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2);
 485     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3);
 486     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3, int2);
 487     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3, int2);
 488
 489     if(type == GL_FRAGMENT_SHADER)
 490     {
 491         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2, float1);
 492         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3, float1);
 493         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3, int2, float1);
 494         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3, int2, float1);
 495     }
 496
 497     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3, int2);
 498     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4, int2);
 499     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4, int3);
 500     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow, float4, int2);
 501
 502     if(type == GL_FRAGMENT_SHADER)
 503     {
 504         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3, int2, float1);
 505         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4, int2, float1);
 506         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4, int3, float1);
 507         symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow, float4, int2, float1);
 508     }
 509
 510     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2D, float2, float1, int2);
 511     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler3D, float3, float1, int3);
 512     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLodOffset", sampler2DShadow, float3, float1, int2);
 513     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2DArray, float3, float1, int2);
 514
 515     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float3, float1);
 516     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float4, float1);
 517     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler3D, float4, float1);
 518     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLod", sampler2DShadow, float4, float1);
 519
 520     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float3, float1, int2);
 521     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float4, float1, int2);
 522     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler3D, float4, float1, int3);
 523     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLodOffset", sampler2DShadow, float4, float1, int2);
 524
 525     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2D, int2, int1);
 526     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler3D, int3, int1);
 527     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2DArray, int3, int1);
 528
 529     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2D, int2, int1, int2);
 530     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler3D, int3, int1, int3);
 531     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2DArray, int3, int1, int2);
 532
 533     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2D, float2, float2, float2);
 534     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler3D, float3, float3, float3);
 535     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsamplerCube, float3, float3, float3);
 536     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DShadow, float3, float2, float2);
 537     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", samplerCubeShadow, float4, float3, float3);
 538     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2DArray, float3, float2, float2);
 539     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DArrayShadow, float4, float2, float2);
 540
 541     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2D, float2, float2, float2, int2);
 542     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler3D, float3, float3, float3, int3);
 543     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DShadow, float3, float2, float2, int2);
 544     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2DArray, float3, float2, float2, int2);
 545     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DArrayShadow, float4, float2, float2, int2);
 546
 547     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float3, float2, float2);
 548     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float4, float2, float2);
 549     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler3D, float4, float3, float3);
 550     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGrad", sampler2DShadow, float4, float2, float2);
 551
 552     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float3, float2, float2, int2);
 553     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float4, float2, float2, int2);
 554     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler3D, float4, float3, float3, int3);
 555     symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGradOffset", sampler2DShadow, float4, float2, float2, int2);
 556
 557     //
 558     // Depth range in window coordinates
 559     //
 560     TFieldList *fields = NewPoolTFieldList();
 561     TSourceLoc zeroSourceLoc = {0, 0, 0, 0};
 562     TField *near = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("near"), zeroSourceLoc);
 563     TField *far = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("far"), zeroSourceLoc);
 564     TField *diff = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("diff"), zeroSourceLoc);
 565     fields->push_back(near);
 566     fields->push_back(far);
 567     fields->push_back(diff);
 568     TStructure *depthRangeStruct = new TStructure(NewPoolTString("gl_DepthRangeParameters"), fields);
 569     TVariable *depthRangeParameters = new TVariable(&depthRangeStruct->name(), depthRangeStruct, true);
 570     symbolTable.insert(COMMON_BUILTINS, depthRangeParameters);
 571     TVariable *depthRange = new TVariable(NewPoolTString("gl_DepthRange"), TType(depthRangeStruct));
 572     depthRange->setQualifier(EvqUniform);
 573     symbolTable.insert(COMMON_BUILTINS, depthRange);
 574
 575     //
 576     // Implementation dependent built-in constants.
 577     //
 578     symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexAttribs", resources.MaxVertexAttribs);
 579     symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexUniformVectors", resources.MaxVertexUniformVectors);
 580     symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexTextureImageUnits", resources.MaxVertexTextureImageUnits);
 581     symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxCombinedTextureImageUnits", resources.MaxCombinedTextureImageUnits);
 582     symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxTextureImageUnits", resources.MaxTextureImageUnits);
 583     symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxFragmentUniformVectors", resources.MaxFragmentUniformVectors);
 584
 585     symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxVaryingVectors", resources.MaxVaryingVectors);
 586
 587     if (spec != SH_CSS_SHADERS_SPEC)
 588     {
 589         symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxDrawBuffers", resources.MaxDrawBuffers);
 590     }
 591
 592     symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxVertexOutputVectors", resources.MaxVertexOutputVectors);
 593     symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxFragmentInputVectors", resources.MaxFragmentInputVectors);
 594     symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MinProgramTexelOffset", resources.MinProgramTexelOffset);
 595     symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxProgramTexelOffset", resources.MaxProgramTexelOffset);
 596 }
 597
 598 void IdentifyBuiltIns(sh::GLenum type, ShShaderSpec spec,
 599                       const ShBuiltInResources &resources,
 600                       TSymbolTable &symbolTable)
 601 {
 602     //
 603     // First, insert some special built-in variables that are not in
 604     // the built-in header files.
 605     //
 606     switch(type) {
 607     case GL_FRAGMENT_SHADER:
 608         symbolTable.insert(COMMON_BUILTINS, new TVariable(NewPoolTString("gl_FragCoord"), TType(EbtFloat, EbpMedium, EvqFragCoord,   4)));
 609         symbolTable.insert(COMMON_BUILTINS, new TVariable(NewPoolTString("gl_FrontFacing"), TType(EbtBool,  EbpUndefined, EvqFrontFacing, 1)));
 610         symbolTable.insert(COMMON_BUILTINS, new TVariable(NewPoolTString("gl_PointCoord"), TType(EbtFloat, EbpMedium, EvqPointCoord,  2)));
 611
 612         //
 613         // In CSS Shaders, gl_FragColor, gl_FragData, and gl_MaxDrawBuffers are not available.
 614         // Instead, css_MixColor and css_ColorMatrix are available.
 615         //
 616         if (spec != SH_CSS_SHADERS_SPEC) {
 617             symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("gl_FragColor"), TType(EbtFloat, EbpMedium, EvqFragColor,   4)));
 618             symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("gl_FragData[gl_MaxDrawBuffers]"), TType(EbtFloat, EbpMedium, EvqFragData,    4)));
 619             if (resources.EXT_frag_depth) {
 620                 symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("gl_FragDepthEXT"), TType(EbtFloat, resources.FragmentPrecisionHigh ? EbpHigh : EbpMedium, EvqFragDepth, 1)));
 621                 symbolTable.relateToExtension(ESSL1_BUILTINS, "gl_FragDepthEXT", "GL_EXT_frag_depth");
 622             }
 623         } else {
 624             symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("css_MixColor"), TType(EbtFloat, EbpMedium, EvqGlobal,      4)));
 625             symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("css_ColorMatrix"), TType(EbtFloat, EbpMedium, EvqGlobal,      4, 4)));
 626         }
 627
 628         break;
 629
 630     case GL_VERTEX_SHADER:
 631         symbolTable.insert(COMMON_BUILTINS, new TVariable(NewPoolTString("gl_Position"), TType(EbtFloat, EbpHigh, EvqPosition,    4)));
 632         symbolTable.insert(COMMON_BUILTINS, new TVariable(NewPoolTString("gl_PointSize"), TType(EbtFloat, EbpMedium, EvqPointSize,   1)));
 633         break;
 634
 635     default: assert(false && "Language not supported");
 636     }
 637
 638     //
 639     // Next, identify which built-ins from the already loaded headers have
 640     // a mapping to an operator.  Those that are not identified as such are
 641     // expected to be resolved through a library of functions, versus as
 642     // operations.
 643     //
 644     symbolTable.relateToOperator(COMMON_BUILTINS, "matrixCompMult",   EOpMul);
 645
 646     symbolTable.relateToOperator(COMMON_BUILTINS, "equal",            EOpVectorEqual);
 647     symbolTable.relateToOperator(COMMON_BUILTINS, "notEqual",         EOpVectorNotEqual);
 648     symbolTable.relateToOperator(COMMON_BUILTINS, "lessThan",         EOpLessThan);
 649     symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThan",      EOpGreaterThan);
 650     symbolTable.relateToOperator(COMMON_BUILTINS, "lessThanEqual",    EOpLessThanEqual);
 651     symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThanEqual", EOpGreaterThanEqual);
 652
 653     symbolTable.relateToOperator(COMMON_BUILTINS, "radians",      EOpRadians);
 654     symbolTable.relateToOperator(COMMON_BUILTINS, "degrees",      EOpDegrees);
 655     symbolTable.relateToOperator(COMMON_BUILTINS, "sin",          EOpSin);
 656     symbolTable.relateToOperator(COMMON_BUILTINS, "cos",          EOpCos);
 657     symbolTable.relateToOperator(COMMON_BUILTINS, "tan",          EOpTan);
 658     symbolTable.relateToOperator(COMMON_BUILTINS, "asin",         EOpAsin);
 659     symbolTable.relateToOperator(COMMON_BUILTINS, "acos",         EOpAcos);
 660     symbolTable.relateToOperator(COMMON_BUILTINS, "atan",         EOpAtan);
 661
 662     symbolTable.relateToOperator(COMMON_BUILTINS, "pow",          EOpPow);
 663     symbolTable.relateToOperator(COMMON_BUILTINS, "exp2",         EOpExp2);
 664     symbolTable.relateToOperator(COMMON_BUILTINS, "log",          EOpLog);
 665     symbolTable.relateToOperator(COMMON_BUILTINS, "exp",          EOpExp);
 666     symbolTable.relateToOperator(COMMON_BUILTINS, "log2",         EOpLog2);
 667     symbolTable.relateToOperator(COMMON_BUILTINS, "sqrt",         EOpSqrt);
 668     symbolTable.relateToOperator(COMMON_BUILTINS, "inversesqrt",  EOpInverseSqrt);
 669
 670     symbolTable.relateToOperator(COMMON_BUILTINS, "abs",          EOpAbs);
 671     symbolTable.relateToOperator(COMMON_BUILTINS, "sign",         EOpSign);
 672     symbolTable.relateToOperator(COMMON_BUILTINS, "floor",        EOpFloor);
 673     symbolTable.relateToOperator(COMMON_BUILTINS, "ceil",         EOpCeil);
 674     symbolTable.relateToOperator(COMMON_BUILTINS, "fract",        EOpFract);
 675     symbolTable.relateToOperator(COMMON_BUILTINS, "mod",          EOpMod);
 676     symbolTable.relateToOperator(COMMON_BUILTINS, "min",          EOpMin);
 677     symbolTable.relateToOperator(COMMON_BUILTINS, "max",          EOpMax);
 678     symbolTable.relateToOperator(COMMON_BUILTINS, "clamp",        EOpClamp);
 679     symbolTable.relateToOperator(COMMON_BUILTINS, "mix",          EOpMix);
 680     symbolTable.relateToOperator(COMMON_BUILTINS, "step",         EOpStep);
 681     symbolTable.relateToOperator(COMMON_BUILTINS, "smoothstep",   EOpSmoothStep);
 682
 683     symbolTable.relateToOperator(COMMON_BUILTINS, "length",       EOpLength);
 684     symbolTable.relateToOperator(COMMON_BUILTINS, "distance",     EOpDistance);
 685     symbolTable.relateToOperator(COMMON_BUILTINS, "dot",          EOpDot);
 686     symbolTable.relateToOperator(COMMON_BUILTINS, "cross",        EOpCross);
 687     symbolTable.relateToOperator(COMMON_BUILTINS, "normalize",    EOpNormalize);
 688     symbolTable.relateToOperator(COMMON_BUILTINS, "faceforward",  EOpFaceForward);
 689     symbolTable.relateToOperator(COMMON_BUILTINS, "reflect",      EOpReflect);
 690     symbolTable.relateToOperator(COMMON_BUILTINS, "refract",      EOpRefract);
 691
 692     symbolTable.relateToOperator(COMMON_BUILTINS, "any",          EOpAny);
 693     symbolTable.relateToOperator(COMMON_BUILTINS, "all",          EOpAll);
 694     symbolTable.relateToOperator(COMMON_BUILTINS, "not",          EOpVectorLogicalNot);
 695
 696     // Map language-specific operators.
 697     switch(type) {
 698     case GL_VERTEX_SHADER:
 699         break;
 700     case GL_FRAGMENT_SHADER:
 701         if (resources.OES_standard_derivatives)
 702         {
 703             symbolTable.relateToOperator(ESSL1_BUILTINS, "dFdx",   EOpDFdx);
 704             symbolTable.relateToOperator(ESSL1_BUILTINS, "dFdy",   EOpDFdy);
 705             symbolTable.relateToOperator(ESSL1_BUILTINS, "fwidth", EOpFwidth);
 706
 707             symbolTable.relateToExtension(ESSL1_BUILTINS, "dFdx", "GL_OES_standard_derivatives");
 708             symbolTable.relateToExtension(ESSL1_BUILTINS, "dFdy", "GL_OES_standard_derivatives");
 709             symbolTable.relateToExtension(ESSL1_BUILTINS, "fwidth", "GL_OES_standard_derivatives");
 710         }
 711         if (resources.EXT_shader_texture_lod)
 712         {
 713             symbolTable.relateToExtension(ESSL1_BUILTINS, "texture2DLodEXT", "GL_EXT_shader_texture_lod");
 714             symbolTable.relateToExtension(ESSL1_BUILTINS, "texture2DProjLodEXT", "GL_EXT_shader_texture_lod");
 715             symbolTable.relateToExtension(ESSL1_BUILTINS, "textureCubeLodEXT", "GL_EXT_shader_texture_lod");
 716         }
 717         break;
 718     default: break;
 719     }
 720
 721     symbolTable.relateToOperator(ESSL3_BUILTINS, "dFdx",   EOpDFdx);
 722     symbolTable.relateToOperator(ESSL3_BUILTINS, "dFdy",   EOpDFdy);
 723     symbolTable.relateToOperator(ESSL3_BUILTINS, "fwidth", EOpFwidth);
 724
 725     if (resources.EXT_shader_texture_lod)
 726     {
 727         symbolTable.relateToExtension(ESSL1_BUILTINS, "texture2DGradEXT", "GL_EXT_shader_texture_lod");
 728         symbolTable.relateToExtension(ESSL1_BUILTINS, "texture2DProjGradEXT", "GL_EXT_shader_texture_lod");
 729         symbolTable.relateToExtension(ESSL1_BUILTINS, "textureCubeGradEXT", "GL_EXT_shader_texture_lod");
 730     }
 731
 732     // Finally add resource-specific variables.
 733     switch(type) {
 734     case GL_FRAGMENT_SHADER:
 735         if (spec != SH_CSS_SHADERS_SPEC) {
 736             // Set up gl_FragData.  The array size.
 737             TType fragData(EbtFloat, EbpMedium, EvqFragData, 4, 1, true);
 738             fragData.setArraySize(resources.MaxDrawBuffers);
 739             symbolTable.insert(ESSL1_BUILTINS, new TVariable(NewPoolTString("gl_FragData"), fragData));
 740         }
 741         break;
 742     default: break;
 743     }
 744 }
 745
 746 void InitExtensionBehavior(const ShBuiltInResources& resources,
 747                            TExtensionBehavior& extBehavior)
 748 {
 749     if (resources.OES_standard_derivatives)
 750         extBehavior["GL_OES_standard_derivatives"] = EBhUndefined;
 751     if (resources.OES_EGL_image_external)
 752         extBehavior["GL_OES_EGL_image_external"] = EBhUndefined;
 753     if (resources.ARB_texture_rectangle)
 754         extBehavior["GL_ARB_texture_rectangle"] = EBhUndefined;
 755     if (resources.EXT_draw_buffers)
 756         extBehavior["GL_EXT_draw_buffers"] = EBhUndefined;
 757     if (resources.EXT_frag_depth)
 758         extBehavior["GL_EXT_frag_depth"] = EBhUndefined;
 759     if (resources.EXT_shader_texture_lod)
 760         extBehavior["GL_EXT_shader_texture_lod"] = EBhUndefined;
 761 }