Example #1
0
void TOutputGLSLBase::writeVariableType(const TType &type)
{
    TInfoSinkBase &out = objSink();
    TQualifier qualifier = type.getQualifier();
    if (qualifier != EvqTemporary && qualifier != EvqGlobal)
    {
        out << type.getQualifierString() << " ";
    }
    // Declare the struct if we have not done so already.
    if (type.getBasicType() == EbtStruct && !structDeclared(type.getStruct()))
    {
        TStructure *structure = type.getStruct();

        declareStruct(structure);

        if (!structure->name().empty())
        {
            mDeclaredStructs.insert(structure->uniqueId());
        }
    }
    else
    {
        if (writeVariablePrecision(type.getPrecision()))
            out << " ";
        out << getTypeName(type);
    }
}
Example #2
0
TString StructNameString(const TStructure &structure)
{
    if (structure.name().empty())
    {
        return "";
    }

    return "ss" + str(structure.uniqueId()) + "_" + structure.name();
}
Example #3
0
void TOutputGLSLBase::writeVariableType(const TType &type)
{
    TInfoSinkBase &out = objSink();
    if (type.isInvariant())
    {
        out << "invariant ";
    }
    TQualifier qualifier = type.getQualifier();
    if (qualifier != EvqTemporary && qualifier != EvqGlobal)
    {
        if (IsGLSL130OrNewer(mOutput))
        {
            switch (qualifier)
            {
              case EvqAttribute:
                out << "in ";
                break;
              case EvqVaryingIn:
                out << "in ";
                break;
              case EvqVaryingOut:
                out << "out ";
                break;
              default:
                out << type.getQualifierString() << " ";
                break;
            }
        }
        else
        {
            out << type.getQualifierString() << " ";
        }
    }
    // Declare the struct if we have not done so already.
    if (type.getBasicType() == EbtStruct && !structDeclared(type.getStruct()))
    {
        TStructure *structure = type.getStruct();

        declareStruct(structure);

        if (!structure->name().empty())
        {
            mDeclaredStructs.insert(structure->uniqueId());
        }
    }
    else
    {
        if (writeVariablePrecision(type.getPrecision()))
            out << " ";
        out << getTypeName(type);
    }
}
Example #4
0
TString QualifiedStructNameString(const TStructure &structure,
                                  bool useHLSLRowMajorPacking,
                                  bool useStd140Packing)
{
    if (structure.symbolType() == SymbolType::Empty)
    {
        return "";
    }

    TString prefix = "";

    // Structs packed with row-major matrices in HLSL are prefixed with "rm"
    // GLSL column-major maps to HLSL row-major, and the converse is true

    if (useStd140Packing)
    {
        prefix += "std_";
    }

    if (useHLSLRowMajorPacking)
    {
        prefix += "rm_";
    }

    return prefix + StructNameString(structure);
}
Example #5
0
TString StructNameString(const TStructure &structure)
{
    if (structure.symbolType() == SymbolType::Empty)
    {
        return "";
    }

    // For structures at global scope we use a consistent
    // translation so that we can link between shader stages.
    if (structure.atGlobalScope())
    {
        return Decorate(structure.name());
    }

    return "ss" + str(structure.uniqueId().get()) + "_" + TString(structure.name().data());
}
Example #6
0
TString DecorateField(const ImmutableString &string, const TStructure &structure)
{
    if (structure.symbolType() != SymbolType::BuiltIn)
    {
        return Decorate(string);
    }

    return TString(string.data());
}
Example #7
0
TString DecorateField(const TString &string, const TStructure &structure)
{
    if (structure.name().compare(0, 3, "gl_") != 0)
    {
        return Decorate(string);
    }

    return string;
}
Example #8
0
TString StructureHLSL::define(const TStructure &structure, bool useHLSLRowMajorPacking,
                              bool useStd140Packing, Std140PaddingHelper *padHelper)
{
    const TFieldList &fields = structure.fields();
    const bool isNameless = (structure.name() == "");
    const TString &structName = QualifiedStructNameString(structure, useHLSLRowMajorPacking,
                                                          useStd140Packing);
    const TString declareString = (isNameless ? "struct" : "struct " + structName);

    TString string;
    string += declareString + "\n"
              "{\n";

    for (unsigned int i = 0; i < fields.size(); i++)
    {
        const TField &field = *fields[i];
        const TType &fieldType = *field.type();
        const TStructure *fieldStruct = fieldType.getStruct();
        const TString &fieldTypeString = fieldStruct ?
                                         QualifiedStructNameString(*fieldStruct, useHLSLRowMajorPacking,
                                                                   useStd140Packing) :
                                         TypeString(fieldType);

        if (padHelper)
        {
            string += padHelper->prePaddingString(fieldType);
        }

        string += "    " + fieldTypeString + " " + DecorateField(field.name(), structure) + ArrayString(fieldType) + ";\n";

        if (padHelper)
        {
            string += padHelper->postPaddingString(fieldType, useHLSLRowMajorPacking);
        }
    }

    // Nameless structs do not finish with a semicolon and newline, to leave room for an instance variable
    string += (isNameless ? "} " : "};\n");

    return string;
}
Example #9
0
void StructureHLSL::storeStd140ElementIndex(const TStructure &structure, bool useHLSLRowMajorPacking)
{
    Std140PaddingHelper padHelper = getPaddingHelper();
    const TFieldList &fields = structure.fields();

    for (unsigned int i = 0; i < fields.size(); i++)
    {
        padHelper.prePadding(*fields[i]->type());
    }

    // Add remaining element index to the global map, for use with nested structs in standard layouts
    const TString &structName = QualifiedStructNameString(structure, useHLSLRowMajorPacking, true);
    mStd140StructElementIndexes[structName] = padHelper.elementIndex();
}
void RegenerateStructNames::visitSymbol(TIntermSymbol *symbol)
{
    ASSERT(symbol);
    TType *type = symbol->getTypePointer();
    ASSERT(type);
    TStructure *userType = type->getStruct();
    if (!userType)
        return;

    if (mSymbolTable.findBuiltIn(userType->name(), mShaderVersion))
    {
        // Built-in struct, do not touch it.
        return;
    }

    int uniqueId = userType->uniqueId();

    ASSERT(mScopeDepth > 0);
    if (mScopeDepth == 1)
    {
        // If a struct is defined at global scope, we don't map its name.
        // This is because at global level, the struct might be used to
        // declare a uniform, so the same name needs to stay the same for
        // vertex/fragment shaders. However, our mapping uses internal ID,
        // which will be different for the same struct in vertex/fragment
        // shaders.
        // This is OK because names for any structs defined in other scopes
        // will begin with "_webgl", which is reserved. So there will be
        // no conflicts among unmapped struct names from global scope and
        // mapped struct names from other scopes.
        // However, we need to keep track of these global structs, so if a
        // variable is used in a local scope, we don't try to modify the
        // struct name through that variable.
        mDeclaredGlobalStructs.insert(uniqueId);
        return;
    }
    if (mDeclaredGlobalStructs.count(uniqueId) > 0)
        return;
    // Map {name} to _webgl_struct_{uniqueId}_{name}.
    const char kPrefix[] = "_webgl_struct_";
    if (userType->name().find(kPrefix) == 0)
    {
        // The name has already been regenerated.
        return;
    }
    std::string id = Str(uniqueId);
    TString tmp = kPrefix + TString(id.c_str());
    tmp += "_" + userType->name();
    userType->setName(tmp);
}
void InsertBuiltInFunctions(sh::GLenum type, ShShaderSpec spec, const ShBuiltInResources &resources, TSymbolTable &symbolTable)
{
    const TType *float1 = TCache::getType(EbtFloat);
    const TType *float2 = TCache::getType(EbtFloat, 2);
    const TType *float3 = TCache::getType(EbtFloat, 3);
    const TType *float4 = TCache::getType(EbtFloat, 4);
    const TType *int1 = TCache::getType(EbtInt);
    const TType *int2 = TCache::getType(EbtInt, 2);
    const TType *int3 = TCache::getType(EbtInt, 3);
    const TType *uint1 = TCache::getType(EbtUInt);
    const TType *bool1 = TCache::getType(EbtBool);
    const TType *genType = TCache::getType(EbtGenType);
    const TType *genIType = TCache::getType(EbtGenIType);
    const TType *genUType = TCache::getType(EbtGenUType);
    const TType *genBType = TCache::getType(EbtGenBType);

    //
    // Angle and Trigonometric Functions.
    //
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpRadians, genType, "radians", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpDegrees, genType, "degrees", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSin, genType, "sin", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpCos, genType, "cos", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpTan, genType, "tan", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAsin, genType, "asin", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAcos, genType, "acos", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAtan, genType, "atan", genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAtan, genType, "atan", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpSinh, genType, "sinh", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpCosh, genType, "cosh", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTanh, genType, "tanh", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpAsinh, genType, "asinh", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpAcosh, genType, "acosh", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpAtanh, genType, "atanh", genType);

    //
    // Exponential Functions.
    //
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpPow, genType, "pow", genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpExp, genType, "exp", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLog, genType, "log", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpExp2, genType, "exp2", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLog2, genType, "log2", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSqrt, genType, "sqrt", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpInverseSqrt, genType, "inversesqrt", genType);

    //
    // Common Functions.
    //
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAbs, genType, "abs", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpAbs, genIType, "abs", genIType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSign, genType, "sign", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpSign, genIType, "sign", genIType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpFloor, genType, "floor", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTrunc, genType, "trunc", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpRound, genType, "round", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpRoundEven, genType, "roundEven", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpCeil, genType, "ceil", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpFract, genType, "fract", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMod, genType, "mod", genType, float1);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMod, genType, "mod", genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMin, genType, "min", genType, float1);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMin, genType, "min", genType, genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMin, genIType, "min", genIType, genIType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMin, genIType, "min", genIType, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMin, genUType, "min", genUType, genUType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMin, genUType, "min", genUType, uint1);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMax, genType, "max", genType, float1);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMax, genType, "max", genType, genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMax, genIType, "max", genIType, genIType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMax, genIType, "max", genIType, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMax, genUType, "max", genUType, genUType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMax, genUType, "max", genUType, uint1);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpClamp, genType, "clamp", genType, float1, float1);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpClamp, genType, "clamp", genType, genType, genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpClamp, genIType, "clamp", genIType, int1, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpClamp, genIType, "clamp", genIType, genIType, genIType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpClamp, genUType, "clamp", genUType, uint1, uint1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpClamp, genUType, "clamp", genUType, genUType, genUType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMix, genType, "mix", genType, genType, float1);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMix, genType, "mix", genType, genType, genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMix, genType, "mix", genType, genType, genBType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpStep, genType, "step", genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpStep, genType, "step", float1, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSmoothStep, genType, "smoothstep", genType, genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSmoothStep, genType, "smoothstep", float1, float1, genType);

    const TType *outFloat1 = TCache::getType(EbtFloat, EvqOut);
    const TType *outFloat2 = TCache::getType(EbtFloat, EvqOut, 2);
    const TType *outFloat3 = TCache::getType(EbtFloat, EvqOut, 3);
    const TType *outFloat4 = TCache::getType(EbtFloat, EvqOut, 4);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpModf, float1, "modf", float1, outFloat1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpModf, float2, "modf", float2, outFloat2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpModf, float3, "modf", float3, outFloat3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpModf, float4, "modf", float4, outFloat4);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpIsNan, genBType, "isnan", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpIsInf, genBType, "isinf", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpFloatBitsToInt, genIType, "floatBitsToInt", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpFloatBitsToUint, genUType, "floatBitsToUint", genType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpIntBitsToFloat, genType, "intBitsToFloat", genIType);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpUintBitsToFloat, genType, "uintBitsToFloat", genUType);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpPackSnorm2x16, uint1, "packSnorm2x16", float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpPackUnorm2x16, uint1, "packUnorm2x16", float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpPackHalf2x16, uint1, "packHalf2x16", float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpUnpackSnorm2x16, float2, "unpackSnorm2x16", uint1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpUnpackUnorm2x16, float2, "unpackUnorm2x16", uint1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpUnpackHalf2x16, float2, "unpackHalf2x16", uint1);

    //
    // Geometric Functions.
    //
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLength, float1, "length", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpDistance, float1, "distance", genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpDot, float1, "dot", genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpCross, float3, "cross", float3, float3);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpNormalize, genType, "normalize", genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpFaceForward, genType, "faceforward", genType, genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpReflect, genType, "reflect", genType, genType);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpRefract, genType, "refract", genType, genType, float1);

    const TType *mat2 = TCache::getType(EbtFloat, 2, 2);
    const TType *mat3 = TCache::getType(EbtFloat, 3, 3);
    const TType *mat4 = TCache::getType(EbtFloat, 4, 4);
    const TType *mat2x3 = TCache::getType(EbtFloat, 2, 3);
    const TType *mat3x2 = TCache::getType(EbtFloat, 3, 2);
    const TType *mat2x4 = TCache::getType(EbtFloat, 2, 4);
    const TType *mat4x2 = TCache::getType(EbtFloat, 4, 2);
    const TType *mat3x4 = TCache::getType(EbtFloat, 3, 4);
    const TType *mat4x3 = TCache::getType(EbtFloat, 4, 3);

    //
    // Matrix Functions.
    //
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMul, mat2, "matrixCompMult", mat2, mat2);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMul, mat3, "matrixCompMult", mat3, mat3);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMul, mat4, "matrixCompMult", mat4, mat4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat2x3, "matrixCompMult", mat2x3, mat2x3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat3x2, "matrixCompMult", mat3x2, mat3x2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat2x4, "matrixCompMult", mat2x4, mat2x4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat4x2, "matrixCompMult", mat4x2, mat4x2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat3x4, "matrixCompMult", mat3x4, mat3x4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat4x3, "matrixCompMult", mat4x3, mat4x3);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat2, "outerProduct", float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat3, "outerProduct", float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat4, "outerProduct", float4, float4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat2x3, "outerProduct", float3, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat3x2, "outerProduct", float2, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat2x4, "outerProduct", float4, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat4x2, "outerProduct", float2, float4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat3x4, "outerProduct", float4, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat4x3, "outerProduct", float3, float4);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat2, "transpose", mat2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat3, "transpose", mat3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat4, "transpose", mat4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat2x3, "transpose", mat3x2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat3x2, "transpose", mat2x3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat2x4, "transpose", mat4x2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat4x2, "transpose", mat2x4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat3x4, "transpose", mat4x3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat4x3, "transpose", mat3x4);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDeterminant, float1, "determinant", mat2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDeterminant, float1, "determinant", mat3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDeterminant, float1, "determinant", mat4);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpInverse, mat2, "inverse", mat2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpInverse, mat3, "inverse", mat3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpInverse, mat4, "inverse", mat4);

    const TType *vec = TCache::getType(EbtVec);
    const TType *ivec = TCache::getType(EbtIVec);
    const TType *uvec = TCache::getType(EbtUVec);
    const TType *bvec = TCache::getType(EbtBVec);

    //
    // Vector relational functions.
    //
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLessThan, bvec, "lessThan", vec, vec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLessThan, bvec, "lessThan", ivec, ivec);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpLessThan, bvec, "lessThan", uvec, uvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLessThanEqual, bvec, "lessThanEqual", vec, vec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLessThanEqual, bvec, "lessThanEqual", ivec, ivec);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpLessThanEqual, bvec, "lessThanEqual", uvec, uvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpGreaterThan, bvec, "greaterThan", vec, vec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpGreaterThan, bvec, "greaterThan", ivec, ivec);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpGreaterThan, bvec, "greaterThan", uvec, uvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpGreaterThanEqual, bvec, "greaterThanEqual", vec, vec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpGreaterThanEqual, bvec, "greaterThanEqual", ivec, ivec);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpGreaterThanEqual, bvec, "greaterThanEqual", uvec, uvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorEqual, bvec, "equal", vec, vec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorEqual, bvec, "equal", ivec, ivec);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpVectorEqual, bvec, "equal", uvec, uvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorEqual, bvec, "equal", bvec, bvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorNotEqual, bvec, "notEqual", vec, vec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorNotEqual, bvec, "notEqual", ivec, ivec);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpVectorNotEqual, bvec, "notEqual", uvec, uvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorNotEqual, bvec, "notEqual", bvec, bvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAny, bool1, "any", bvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAll, bool1, "all", bvec);
    symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorLogicalNot, bvec, "not", bvec);

    const TType *sampler2D = TCache::getType(EbtSampler2D);
    const TType *samplerCube = TCache::getType(EbtSamplerCube);

    //
    // 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)
    {
        const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);

        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)
    {
        const TType *sampler2DRect = TCache::getType(EbtSampler2DRect);

        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 (resources.EXT_shader_texture_lod)
    {
        /* The *Grad* variants are new to both vertex and fragment shaders; the fragment
         * shader specific pieces are added separately below.
         */
        symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4, "texture2DGradEXT", sampler2D, float2, float2, float2);
        symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4, "texture2DProjGradEXT", sampler2D, float3, float2, float2);
        symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4, "texture2DProjGradEXT", sampler2D, float4, float2, float2);
        symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4, "textureCubeGradEXT", samplerCube, float3, float3, float3);
    }

    if (type == GL_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, EOpDFdx, "GL_OES_standard_derivatives", genType, "dFdx", genType);
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, EOpDFdy, "GL_OES_standard_derivatives", genType, "dFdy", genType);
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, EOpFwidth, "GL_OES_standard_derivatives", genType, "fwidth", genType);
        }

        if (resources.EXT_shader_texture_lod)
        {
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4, "texture2DLodEXT", sampler2D, float2, float1);
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4, "texture2DProjLodEXT", sampler2D, float3, float1);
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4, "texture2DProjLodEXT", sampler2D, float4, float1);
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, "GL_EXT_shader_texture_lod", float4, "textureCubeLodEXT", samplerCube, float3, float1);
        }
    }

    if (type == GL_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);
    }

    const TType *gvec4 = TCache::getType(EbtGVec4);

    const TType *gsampler2D = TCache::getType(EbtGSampler2D);
    const TType *gsamplerCube = TCache::getType(EbtGSamplerCube);
    const TType *gsampler3D = TCache::getType(EbtGSampler3D);
    const TType *gsampler2DArray = TCache::getType(EbtGSampler2DArray);

    //
    // Texture Functions for GLSL ES 3.0
    //
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2D, float2, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler3D, float3, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsamplerCube, float3, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2DArray, float3, float1);

    if (type == GL_FRAGMENT_SHADER)
    {
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4, float1);
    }

    const TType *sampler2DShadow = TCache::getType(EbtSampler2DShadow);
    const TType *samplerCubeShadow = TCache::getType(EbtSamplerCubeShadow);
    const TType *sampler2DArrayShadow = TCache::getType(EbtSampler2DArrayShadow);

    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, float1);

    if (type == GL_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, "textureProj", sampler2DShadow, float4, float1);
    }

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsampler2D, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler3D, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsamplerCube, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler2DArray, 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 == GL_FRAGMENT_SHADER)
    {
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDFdx, genType, "dFdx", genType);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDFdy, genType, "dFdy", genType);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpFwidth, genType, "fwidth", genType);
    }

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3, int2);

    if (type == GL_FRAGMENT_SHADER)
    {
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3, int2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3, int2, float1);
    }

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow, float4, int2);

    if (type == GL_FRAGMENT_SHADER)
    {
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3, int2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4, int2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4, int3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow, float4, int2, float1);
    }

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2D, float2, float1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler3D, float3, float1, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLodOffset", sampler2DShadow, float3, float1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2DArray, float3, float1, int2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float3, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float4, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler3D, float4, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLod", sampler2DShadow, float4, float1);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float3, float1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float4, float1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler3D, float4, float1, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLodOffset", sampler2DShadow, float4, float1, int2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2D, int2, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler3D, int3, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2DArray, int3, int1);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2D, int2, int1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler3D, int3, int1, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2DArray, int3, int1, int2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2D, float2, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler3D, float3, float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsamplerCube, float3, float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DShadow, float3, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", samplerCubeShadow, float4, float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2DArray, float3, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DArrayShadow, float4, float2, float2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2D, float2, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler3D, float3, float3, float3, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DShadow, float3, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2DArray, float3, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DArrayShadow, float4, float2, float2, int2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float3, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float4, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler3D, float4, float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGrad", sampler2DShadow, float4, float2, float2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float3, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float4, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler3D, float4, float3, float3, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGradOffset", sampler2DShadow, float4, float2, float2, int2);

    //
    // Depth range in window coordinates
    //
    TFieldList *fields = NewPoolTFieldList();
    TSourceLoc zeroSourceLoc = {0, 0, 0, 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);

    {
        symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxDrawBuffers", resources.MaxDrawBuffers);
        if (resources.EXT_blend_func_extended)
        {
            symbolTable.insertConstIntExt(COMMON_BUILTINS, "GL_EXT_blend_func_extended",
                                          "gl_MaxDualSourceDrawBuffersEXT",
                                          resources.MaxDualSourceDrawBuffers);
        }
    }

    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);
}
Example #12
0
void InsertBuiltInFunctions(ShShaderType type, ShShaderSpec spec, const ShBuiltInResources &resources, TSymbolTable &symbolTable)
{
    TType *float1 = new TType(EbtFloat);
    TType *float2 = new TType(EbtFloat, 2);
    TType *float3 = new TType(EbtFloat, 3);
    TType *float4 = new TType(EbtFloat, 4);

    TType *int1 = new TType(EbtInt);
    TType *int2 = new TType(EbtInt, 2);
    TType *int3 = new TType(EbtInt, 3);
    TType *int4 = new TType(EbtInt, 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, 2, 2);
    TType *mat3 = new TType(EbtFloat, 3, 3);
    TType *mat4 = new TType(EbtFloat, 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);
    TType *bool2 = new TType(EbtBool, 2);
    TType *bool3 = new TType(EbtBool, 3);
    TType *bool4 = new TType(EbtBool, 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);
    TType *samplerCube = new TType(EbtSamplerCube);

    //
    // 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);

        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);

        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 (resources.EXT_shader_texture_lod)
    {
        /* The *Grad* variants are new to both vertex and fragment shaders; the fragment
         * shader specific pieces are added separately below.
         */
        symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DGradEXT", sampler2D, float2, float2, float2);
        symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjGradEXT", sampler2D, float3, float2, float2);
        symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjGradEXT", sampler2D, float4, float2, float2);
        symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeGradEXT", samplerCube, float3, float3, float3);
    }

    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 (resources.EXT_shader_texture_lod)
        {
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLodEXT", sampler2D, float2, float1);
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLodEXT", sampler2D, float3, float1);
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLodEXT", sampler2D, float4, float1);
            symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeLodEXT", samplerCube, float3, float1);
        }
    }

    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 *gvec4 = new TType(EbtGVec4);

    TType *gsampler2D = new TType(EbtGSampler2D);
    TType *gsamplerCube = new TType(EbtGSamplerCube);
    TType *gsampler3D = new TType(EbtGSampler3D);
    TType *gsampler2DArray = new TType(EbtGSampler2DArray);

    //
    // Texture Functions for GLSL ES 3.0
    //
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2D, float2, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler3D, float3, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsamplerCube, float3, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2DArray, float3, float1);

    if (type == SH_FRAGMENT_SHADER)
    {
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4, float1);
    }

    TType *sampler2DShadow = new TType(EbtSampler2DShadow);
    TType *samplerCubeShadow = new TType(EbtSamplerCubeShadow);
    TType *sampler2DArrayShadow = new TType(EbtSampler2DArrayShadow);

    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, float1);

    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, "textureProj", sampler2DShadow, float4, float1);
    }

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsampler2D, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler3D, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", gsamplerCube, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", gsampler2DArray, 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);
    }

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3, int2);

    if(type == SH_FRAGMENT_SHADER)
    {
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2D, float2, int2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler3D, float3, int3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureOffset", sampler2DShadow, float3, int2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureOffset", gsampler2DArray, float3, int2, float1);
    }

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow, float4, int2);

    if(type == SH_FRAGMENT_SHADER)
    {
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float3, int2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler2D, float4, int2, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjOffset", gsampler3D, float4, int3, float1);
        symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjOffset", sampler2DShadow, float4, int2, float1);
    }

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2D, float2, float1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler3D, float3, float1, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureLodOffset", sampler2DShadow, float3, float1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLodOffset", gsampler2DArray, float3, float1, int2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float3, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler2D, float4, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLod", gsampler3D, float4, float1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLod", sampler2DShadow, float4, float1);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float3, float1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler2D, float4, float1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjLodOffset", gsampler3D, float4, float1, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjLodOffset", sampler2DShadow, float4, float1, int2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2D, int2, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler3D, int3, int1);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2DArray, int3, int1);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2D, int2, int1, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler3D, int3, int1, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2DArray, int3, int1, int2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2D, float2, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler3D, float3, float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsamplerCube, float3, float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DShadow, float3, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", samplerCubeShadow, float4, float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGrad", gsampler2DArray, float3, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGrad", sampler2DArrayShadow, float4, float2, float2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2D, float2, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler3D, float3, float3, float3, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DShadow, float3, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureGradOffset", gsampler2DArray, float3, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureGradOffset", sampler2DArrayShadow, float4, float2, float2, int2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float3, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler2D, float4, float2, float2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGrad", gsampler3D, float4, float3, float3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGrad", sampler2DShadow, float4, float2, float2);

    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float3, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler2D, float4, float2, float2, int2);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProjGradOffset", gsampler3D, float4, float3, float3, int3);
    symbolTable.insertBuiltIn(ESSL3_BUILTINS, float1, "textureProjGradOffset", sampler2DShadow, float4, float2, float2, int2);

    //
    // Depth range in window coordinates
    //
    TFieldList *fields = NewPoolTFieldList();
    TSourceLoc zeroSourceLoc = {0, 0, 0, 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(COMMON_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);
}
Example #13
0
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 *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(float1, "radians", float1);
    symbolTable.insertBuiltIn(float2, "radians", float2);
    symbolTable.insertBuiltIn(float3, "radians", float3);
    symbolTable.insertBuiltIn(float4, "radians", float4);

    symbolTable.insertBuiltIn(float1, "degrees", float1);
    symbolTable.insertBuiltIn(float2, "degrees", float2);
    symbolTable.insertBuiltIn(float3, "degrees", float3);
    symbolTable.insertBuiltIn(float4, "degrees", float4);

    symbolTable.insertBuiltIn(float1, "sin", float1);
    symbolTable.insertBuiltIn(float2, "sin", float2);
    symbolTable.insertBuiltIn(float3, "sin", float3);
    symbolTable.insertBuiltIn(float4, "sin", float4);

    symbolTable.insertBuiltIn(float1, "cos", float1);
    symbolTable.insertBuiltIn(float2, "cos", float2);
    symbolTable.insertBuiltIn(float3, "cos", float3);
    symbolTable.insertBuiltIn(float4, "cos", float4);

    symbolTable.insertBuiltIn(float1, "tan", float1);
    symbolTable.insertBuiltIn(float2, "tan", float2);
    symbolTable.insertBuiltIn(float3, "tan", float3);
    symbolTable.insertBuiltIn(float4, "tan", float4);

    symbolTable.insertBuiltIn(float1, "asin", float1);
    symbolTable.insertBuiltIn(float2, "asin", float2);
    symbolTable.insertBuiltIn(float3, "asin", float3);
    symbolTable.insertBuiltIn(float4, "asin", float4);

    symbolTable.insertBuiltIn(float1, "acos", float1);
    symbolTable.insertBuiltIn(float2, "acos", float2);
    symbolTable.insertBuiltIn(float3, "acos", float3);
    symbolTable.insertBuiltIn(float4, "acos", float4);

    symbolTable.insertBuiltIn(float1, "atan", float1, float1);
    symbolTable.insertBuiltIn(float2, "atan", float2, float2);
    symbolTable.insertBuiltIn(float3, "atan", float3, float3);
    symbolTable.insertBuiltIn(float4, "atan", float4, float4);

    symbolTable.insertBuiltIn(float1, "atan", float1);
    symbolTable.insertBuiltIn(float2, "atan", float2);
    symbolTable.insertBuiltIn(float3, "atan", float3);
    symbolTable.insertBuiltIn(float4, "atan", float4);

    //
    // Exponential Functions.
    //
    symbolTable.insertBuiltIn(float1, "pow", float1, float1);
    symbolTable.insertBuiltIn(float2, "pow", float2, float2);
    symbolTable.insertBuiltIn(float3, "pow", float3, float3);
    symbolTable.insertBuiltIn(float4, "pow", float4, float4);

    symbolTable.insertBuiltIn(float1, "exp", float1);
    symbolTable.insertBuiltIn(float2, "exp", float2);
    symbolTable.insertBuiltIn(float3, "exp", float3);
    symbolTable.insertBuiltIn(float4, "exp", float4);

    symbolTable.insertBuiltIn(float1, "log", float1);
    symbolTable.insertBuiltIn(float2, "log", float2);
    symbolTable.insertBuiltIn(float3, "log", float3);
    symbolTable.insertBuiltIn(float4, "log", float4);

    symbolTable.insertBuiltIn(float1, "exp2", float1);
    symbolTable.insertBuiltIn(float2, "exp2", float2);
    symbolTable.insertBuiltIn(float3, "exp2", float3);
    symbolTable.insertBuiltIn(float4, "exp2", float4);

    symbolTable.insertBuiltIn(float1, "log2", float1);
    symbolTable.insertBuiltIn(float2, "log2", float2);
    symbolTable.insertBuiltIn(float3, "log2", float3);
    symbolTable.insertBuiltIn(float4, "log2", float4);

    symbolTable.insertBuiltIn(float1, "sqrt", float1);
    symbolTable.insertBuiltIn(float2, "sqrt", float2);
    symbolTable.insertBuiltIn(float3, "sqrt", float3);
    symbolTable.insertBuiltIn(float4, "sqrt", float4);

    symbolTable.insertBuiltIn(float1, "inversesqrt", float1);
    symbolTable.insertBuiltIn(float2, "inversesqrt", float2);
    symbolTable.insertBuiltIn(float3, "inversesqrt", float3);
    symbolTable.insertBuiltIn(float4, "inversesqrt", float4);

    //
    // Common Functions.
    //
    symbolTable.insertBuiltIn(float1, "abs", float1);
    symbolTable.insertBuiltIn(float2, "abs", float2);
    symbolTable.insertBuiltIn(float3, "abs", float3);
    symbolTable.insertBuiltIn(float4, "abs", float4);

    symbolTable.insertBuiltIn(float1, "sign", float1);
    symbolTable.insertBuiltIn(float2, "sign", float2);
    symbolTable.insertBuiltIn(float3, "sign", float3);
    symbolTable.insertBuiltIn(float4, "sign", float4);

    symbolTable.insertBuiltIn(float1, "floor", float1);
    symbolTable.insertBuiltIn(float2, "floor", float2);
    symbolTable.insertBuiltIn(float3, "floor", float3);
    symbolTable.insertBuiltIn(float4, "floor", float4);

    symbolTable.insertBuiltIn(float1, "ceil", float1);
    symbolTable.insertBuiltIn(float2, "ceil", float2);
    symbolTable.insertBuiltIn(float3, "ceil", float3);
    symbolTable.insertBuiltIn(float4, "ceil", float4);

    symbolTable.insertBuiltIn(float1, "fract", float1);
    symbolTable.insertBuiltIn(float2, "fract", float2);
    symbolTable.insertBuiltIn(float3, "fract", float3);
    symbolTable.insertBuiltIn(float4, "fract", float4);

    symbolTable.insertBuiltIn(float1, "mod", float1, float1);
    symbolTable.insertBuiltIn(float2, "mod", float2, float1);
    symbolTable.insertBuiltIn(float3, "mod", float3, float1);
    symbolTable.insertBuiltIn(float4, "mod", float4, float1);
    symbolTable.insertBuiltIn(float2, "mod", float2, float2);
    symbolTable.insertBuiltIn(float3, "mod", float3, float3);
    symbolTable.insertBuiltIn(float4, "mod", float4, float4);

    symbolTable.insertBuiltIn(float1, "min", float1, float1);
    symbolTable.insertBuiltIn(float2, "min", float2, float1);
    symbolTable.insertBuiltIn(float3, "min", float3, float1);
    symbolTable.insertBuiltIn(float4, "min", float4, float1);
    symbolTable.insertBuiltIn(float2, "min", float2, float2);
    symbolTable.insertBuiltIn(float3, "min", float3, float3);
    symbolTable.insertBuiltIn(float4, "min", float4, float4);

    symbolTable.insertBuiltIn(float1, "max", float1, float1);
    symbolTable.insertBuiltIn(float2, "max", float2, float1);
    symbolTable.insertBuiltIn(float3, "max", float3, float1);
    symbolTable.insertBuiltIn(float4, "max", float4, float1);
    symbolTable.insertBuiltIn(float2, "max", float2, float2);
    symbolTable.insertBuiltIn(float3, "max", float3, float3);
    symbolTable.insertBuiltIn(float4, "max", float4, float4);

    symbolTable.insertBuiltIn(float1, "clamp", float1, float1, float1);
    symbolTable.insertBuiltIn(float2, "clamp", float2, float1, float1);
    symbolTable.insertBuiltIn(float3, "clamp", float3, float1, float1);
    symbolTable.insertBuiltIn(float4, "clamp", float4, float1, float1);
    symbolTable.insertBuiltIn(float2, "clamp", float2, float2, float2);
    symbolTable.insertBuiltIn(float3, "clamp", float3, float3, float3);
    symbolTable.insertBuiltIn(float4, "clamp", float4, float4, float4);

    symbolTable.insertBuiltIn(float1, "mix", float1, float1, float1);
    symbolTable.insertBuiltIn(float2, "mix", float2, float2, float1);
    symbolTable.insertBuiltIn(float3, "mix", float3, float3, float1);
    symbolTable.insertBuiltIn(float4, "mix", float4, float4, float1);
    symbolTable.insertBuiltIn(float2, "mix", float2, float2, float2);
    symbolTable.insertBuiltIn(float3, "mix", float3, float3, float3);
    symbolTable.insertBuiltIn(float4, "mix", float4, float4, float4);

    symbolTable.insertBuiltIn(float1, "step", float1, float1);
    symbolTable.insertBuiltIn(float2, "step", float2, float2);
    symbolTable.insertBuiltIn(float3, "step", float3, float3);
    symbolTable.insertBuiltIn(float4, "step", float4, float4);
    symbolTable.insertBuiltIn(float2, "step", float1, float2);
    symbolTable.insertBuiltIn(float3, "step", float1, float3);
    symbolTable.insertBuiltIn(float4, "step", float1, float4);

    symbolTable.insertBuiltIn(float1, "smoothstep", float1, float1, float1);
    symbolTable.insertBuiltIn(float2, "smoothstep", float2, float2, float2);
    symbolTable.insertBuiltIn(float3, "smoothstep", float3, float3, float3);
    symbolTable.insertBuiltIn(float4, "smoothstep", float4, float4, float4);
    symbolTable.insertBuiltIn(float2, "smoothstep", float1, float1, float2);
    symbolTable.insertBuiltIn(float3, "smoothstep", float1, float1, float3);
    symbolTable.insertBuiltIn(float4, "smoothstep", float1, float1, float4);

    //
    // Geometric Functions.
    //
    symbolTable.insertBuiltIn(float1, "length", float1);
    symbolTable.insertBuiltIn(float1, "length", float2);
    symbolTable.insertBuiltIn(float1, "length", float3);
    symbolTable.insertBuiltIn(float1, "length", float4);

    symbolTable.insertBuiltIn(float1, "distance", float1, float1);
    symbolTable.insertBuiltIn(float1, "distance", float2, float2);
    symbolTable.insertBuiltIn(float1, "distance", float3, float3);
    symbolTable.insertBuiltIn(float1, "distance", float4, float4);

    symbolTable.insertBuiltIn(float1, "dot", float1, float1);
    symbolTable.insertBuiltIn(float1, "dot", float2, float2);
    symbolTable.insertBuiltIn(float1, "dot", float3, float3);
    symbolTable.insertBuiltIn(float1, "dot", float4, float4);

    symbolTable.insertBuiltIn(float3, "cross", float3, float3);
    symbolTable.insertBuiltIn(float1, "normalize", float1);
    symbolTable.insertBuiltIn(float2, "normalize", float2);
    symbolTable.insertBuiltIn(float3, "normalize", float3);
    symbolTable.insertBuiltIn(float4, "normalize", float4);

    symbolTable.insertBuiltIn(float1, "faceforward", float1, float1, float1);
    symbolTable.insertBuiltIn(float2, "faceforward", float2, float2, float2);
    symbolTable.insertBuiltIn(float3, "faceforward", float3, float3, float3);
    symbolTable.insertBuiltIn(float4, "faceforward", float4, float4, float4);

    symbolTable.insertBuiltIn(float1, "reflect", float1, float1);
    symbolTable.insertBuiltIn(float2, "reflect", float2, float2);
    symbolTable.insertBuiltIn(float3, "reflect", float3, float3);
    symbolTable.insertBuiltIn(float4, "reflect", float4, float4);

    symbolTable.insertBuiltIn(float1, "refract", float1, float1, float1);
    symbolTable.insertBuiltIn(float2, "refract", float2, float2, float1);
    symbolTable.insertBuiltIn(float3, "refract", float3, float3, float1);
    symbolTable.insertBuiltIn(float4, "refract", float4, float4, float1);

    TType *mat2 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 2, true);
    TType *mat3 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 3, true);
    TType *mat4 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 4, true);

    //
    // Matrix Functions.
    //
    symbolTable.insertBuiltIn(mat2, "matrixCompMult", mat2, mat2);
    symbolTable.insertBuiltIn(mat3, "matrixCompMult", mat3, mat3);
    symbolTable.insertBuiltIn(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(bool2, "lessThan", float2, float2);
    symbolTable.insertBuiltIn(bool3, "lessThan", float3, float3);
    symbolTable.insertBuiltIn(bool4, "lessThan", float4, float4);

    symbolTable.insertBuiltIn(bool2, "lessThan", int2, int2);
    symbolTable.insertBuiltIn(bool3, "lessThan", int3, int3);
    symbolTable.insertBuiltIn(bool4, "lessThan", int4, int4);

    symbolTable.insertBuiltIn(bool2, "lessThanEqual", float2, float2);
    symbolTable.insertBuiltIn(bool3, "lessThanEqual", float3, float3);
    symbolTable.insertBuiltIn(bool4, "lessThanEqual", float4, float4);

    symbolTable.insertBuiltIn(bool2, "lessThanEqual", int2, int2);
    symbolTable.insertBuiltIn(bool3, "lessThanEqual", int3, int3);
    symbolTable.insertBuiltIn(bool4, "lessThanEqual", int4, int4);

    symbolTable.insertBuiltIn(bool2, "greaterThan", float2, float2);
    symbolTable.insertBuiltIn(bool3, "greaterThan", float3, float3);
    symbolTable.insertBuiltIn(bool4, "greaterThan", float4, float4);

    symbolTable.insertBuiltIn(bool2, "greaterThan", int2, int2);
    symbolTable.insertBuiltIn(bool3, "greaterThan", int3, int3);
    symbolTable.insertBuiltIn(bool4, "greaterThan", int4, int4);

    symbolTable.insertBuiltIn(bool2, "greaterThanEqual", float2, float2);
    symbolTable.insertBuiltIn(bool3, "greaterThanEqual", float3, float3);
    symbolTable.insertBuiltIn(bool4, "greaterThanEqual", float4, float4);

    symbolTable.insertBuiltIn(bool2, "greaterThanEqual", int2, int2);
    symbolTable.insertBuiltIn(bool3, "greaterThanEqual", int3, int3);
    symbolTable.insertBuiltIn(bool4, "greaterThanEqual", int4, int4);

    symbolTable.insertBuiltIn(bool2, "equal", float2, float2);
    symbolTable.insertBuiltIn(bool3, "equal", float3, float3);
    symbolTable.insertBuiltIn(bool4, "equal", float4, float4);

    symbolTable.insertBuiltIn(bool2, "equal", int2, int2);
    symbolTable.insertBuiltIn(bool3, "equal", int3, int3);
    symbolTable.insertBuiltIn(bool4, "equal", int4, int4);

    symbolTable.insertBuiltIn(bool2, "equal", bool2, bool2);
    symbolTable.insertBuiltIn(bool3, "equal", bool3, bool3);
    symbolTable.insertBuiltIn(bool4, "equal", bool4, bool4);

    symbolTable.insertBuiltIn(bool2, "notEqual", float2, float2);
    symbolTable.insertBuiltIn(bool3, "notEqual", float3, float3);
    symbolTable.insertBuiltIn(bool4, "notEqual", float4, float4);

    symbolTable.insertBuiltIn(bool2, "notEqual", int2, int2);
    symbolTable.insertBuiltIn(bool3, "notEqual", int3, int3);
    symbolTable.insertBuiltIn(bool4, "notEqual", int4, int4);

    symbolTable.insertBuiltIn(bool2, "notEqual", bool2, bool2);
    symbolTable.insertBuiltIn(bool3, "notEqual", bool3, bool3);
    symbolTable.insertBuiltIn(bool4, "notEqual", bool4, bool4);

    symbolTable.insertBuiltIn(bool1, "any", bool2);
    symbolTable.insertBuiltIn(bool1, "any", bool3);
    symbolTable.insertBuiltIn(bool1, "any", bool4);

    symbolTable.insertBuiltIn(bool1, "all", bool2);
    symbolTable.insertBuiltIn(bool1, "all", bool3);
    symbolTable.insertBuiltIn(bool1, "all", bool4);

    symbolTable.insertBuiltIn(bool2, "not", bool2);
    symbolTable.insertBuiltIn(bool3, "not", bool3);
    symbolTable.insertBuiltIn(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(float4, "texture2D", sampler2D, float2);
    symbolTable.insertBuiltIn(float4, "texture2DProj", sampler2D, float3);
    symbolTable.insertBuiltIn(float4, "texture2DProj", sampler2D, float4);
    symbolTable.insertBuiltIn(float4, "textureCube", samplerCube, float3);

    if (resources.OES_EGL_image_external)
    {
        TType *samplerExternalOES = new TType(EbtSamplerExternalOES, EbpUndefined, EvqGlobal, 1);

        symbolTable.insertBuiltIn(float4, "texture2D", samplerExternalOES, float2);
        symbolTable.insertBuiltIn(float4, "texture2DProj", samplerExternalOES, float3);
        symbolTable.insertBuiltIn(float4, "texture2DProj", samplerExternalOES, float4);
    }

    if (resources.ARB_texture_rectangle)
    {
        TType *sampler2DRect = new TType(EbtSampler2DRect, EbpUndefined, EvqGlobal, 1);

        symbolTable.insertBuiltIn(float4, "texture2DRect", sampler2DRect, float2);
        symbolTable.insertBuiltIn(float4, "texture2DRectProj", sampler2DRect, float3);
        symbolTable.insertBuiltIn(float4, "texture2DRectProj", sampler2DRect, float4);
    }

    if (type == SH_FRAGMENT_SHADER)
    {
        symbolTable.insertBuiltIn(float4, "texture2D", sampler2D, float2, float1);
        symbolTable.insertBuiltIn(float4, "texture2DProj", sampler2D, float3, float1);
        symbolTable.insertBuiltIn(float4, "texture2DProj", sampler2D, float4, float1);
        symbolTable.insertBuiltIn(float4, "textureCube", samplerCube, float3, float1);

        if (resources.OES_standard_derivatives)
        {
            symbolTable.insertBuiltIn(float1, "dFdx", float1);
            symbolTable.insertBuiltIn(float2, "dFdx", float2);
            symbolTable.insertBuiltIn(float3, "dFdx", float3);
            symbolTable.insertBuiltIn(float4, "dFdx", float4);
            
            symbolTable.insertBuiltIn(float1, "dFdy", float1);
            symbolTable.insertBuiltIn(float2, "dFdy", float2);
            symbolTable.insertBuiltIn(float3, "dFdy", float3);
            symbolTable.insertBuiltIn(float4, "dFdy", float4);

            symbolTable.insertBuiltIn(float1, "fwidth", float1);
            symbolTable.insertBuiltIn(float2, "fwidth", float2);
            symbolTable.insertBuiltIn(float3, "fwidth", float3);
            symbolTable.insertBuiltIn(float4, "fwidth", float4);
        }
    }

    if(type == SH_VERTEX_SHADER)
    {
        symbolTable.insertBuiltIn(float4, "texture2DLod", sampler2D, float2, float1);
        symbolTable.insertBuiltIn(float4, "texture2DProjLod", sampler2D, float3, float1);
        symbolTable.insertBuiltIn(float4, "texture2DProjLod", sampler2D, float4, float1);
        symbolTable.insertBuiltIn(float4, "textureCubeLod", samplerCube, float3, float1);
    }

    //
    // Depth range in window coordinates
    //
    TFieldList *fields = NewPoolTFieldList();
    TField *near = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("near"));
    TField *far = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("far"));
    TField *diff = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("diff"));
    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(*depthRangeParameters);
    TVariable *depthRange = new TVariable(NewPoolTString("gl_DepthRange"), TType(depthRangeStruct));
    depthRange->setQualifier(EvqUniform);
    symbolTable.insert(*depthRange);

    //
    // Implementation dependent built-in constants.
    //
    symbolTable.insertConstInt("gl_MaxVertexAttribs", resources.MaxVertexAttribs);
    symbolTable.insertConstInt("gl_MaxVertexUniformVectors", resources.MaxVertexUniformVectors);
    symbolTable.insertConstInt("gl_MaxVaryingVectors", resources.MaxVaryingVectors);
    symbolTable.insertConstInt("gl_MaxVertexTextureImageUnits", resources.MaxVertexTextureImageUnits);
    symbolTable.insertConstInt("gl_MaxCombinedTextureImageUnits", resources.MaxCombinedTextureImageUnits);
    symbolTable.insertConstInt("gl_MaxTextureImageUnits", resources.MaxTextureImageUnits);
    symbolTable.insertConstInt("gl_MaxFragmentUniformVectors", resources.MaxFragmentUniformVectors);

    if (spec != SH_CSS_SHADERS_SPEC)
    {
        symbolTable.insertConstInt("gl_MaxDrawBuffers", resources.MaxDrawBuffers);
    }
}
Example #14
0
bool TStructure::equals(const TStructure &other) const
{
    return (uniqueId() == other.uniqueId());
}
Example #15
0
TIntermTyped *CreateZeroNode(const TType &type)
{
    TType constType(type);
    constType.setQualifier(EvqConst);

    if (!type.isArray() && type.getBasicType() != EbtStruct)
    {
        size_t size       = constType.getObjectSize();
        TConstantUnion *u = new TConstantUnion[size];
        for (size_t i = 0; i < size; ++i)
        {
            switch (type.getBasicType())
            {
                case EbtFloat:
                    u[i].setFConst(0.0f);
                    break;
                case EbtInt:
                    u[i].setIConst(0);
                    break;
                case EbtUInt:
                    u[i].setUConst(0u);
                    break;
                case EbtBool:
                    u[i].setBConst(false);
                    break;
                default:
                    // CreateZeroNode is called by ParseContext that keeps parsing even when an
                    // error occurs, so it is possible for CreateZeroNode to be called with
                    // non-basic types. This happens only on error condition but CreateZeroNode
                    // needs to return a value with the correct type to continue the typecheck.
                    // That's why we handle non-basic type by setting whatever value, we just need
                    // the type to be right.
                    u[i].setIConst(42);
                    break;
            }
        }

        TIntermConstantUnion *node = new TIntermConstantUnion(u, constType);
        return node;
    }

    if (type.getBasicType() == EbtVoid)
    {
        // Void array. This happens only on error condition, similarly to the case above. We don't
        // have a constructor operator for void, so this needs special handling. We'll end up with a
        // value without the array type, but that should not be a problem.
        while (constType.isArray())
        {
            constType.toArrayElementType();
        }
        return CreateZeroNode(constType);
    }

    TIntermSequence *arguments = new TIntermSequence();

    if (type.isArray())
    {
        TType elementType(type);
        elementType.toArrayElementType();

        size_t arraySize = type.getOutermostArraySize();
        for (size_t i = 0; i < arraySize; ++i)
        {
            arguments->push_back(CreateZeroNode(elementType));
        }
    }
    else
    {
        ASSERT(type.getBasicType() == EbtStruct);

        TStructure *structure = type.getStruct();
        for (const auto &field : structure->fields())
        {
            arguments->push_back(CreateZeroNode(*field->type()));
        }
    }

    return TIntermAggregate::CreateConstructor(constType, arguments);
}