void GetVariableTraverser::traverse(const TType &type, const TString &name, std::vector<VarT> *output)
{
const TStructure *structure = type.getStruct();
VarT variable;
variable.name = name.c_str();
variable.arraySize = static_cast<unsigned int>(type.getArraySize());
if (!structure)
{
variable.type = GLVariableType(type);
variable.precision = GLVariablePrecision(type);
}
else
{
// Note: this enum value is not exposed outside ANGLE
variable.type = GL_STRUCT_ANGLEX;
variable.structName = structure->name().c_str();
const TFieldList &fields = structure->fields();
for (size_t fieldIndex = 0; fieldIndex < fields.size(); fieldIndex++)
{
TField *field = fields[fieldIndex];
traverse(*field->type(), field->name(), &variable.fields);
}
}
visitVariable(&variable);
ASSERT(output);
output->push_back(variable);
}
static TString InterfaceBlockFieldTypeString(const TField &field, TLayoutBlockStorage blockStorage)
{
const TType &fieldType = *field.type();
const TLayoutMatrixPacking matrixPacking = fieldType.getLayoutQualifier().matrixPacking;
ASSERT(matrixPacking != EmpUnspecified);
TStructure *structure = fieldType.getStruct();
if (fieldType.isMatrix())
{
// Use HLSL row-major packing for GLSL column-major matrices
const TString &matrixPackString = (matrixPacking == EmpRowMajor ? "column_major" : "row_major");
return matrixPackString + " " + TypeString(fieldType);
}
else if (structure)
{
// Use HLSL row-major packing for GLSL column-major matrices
return QualifiedStructNameString(*structure, matrixPacking == EmpColumnMajor,
blockStorage == EbsStd140);
}
else
{
return TypeString(fieldType);
}
}