public IAggTypeHLSL EmitType(MidElementDecl element)
{
IAggTypeHLSL result;
if (_elementTypes.TryGetValue(element, out result))
return result;
// Actually emit the type, then...
var name = string.Format("Tup_{0}", element.Name.ToString());
TupleTypeHLSL tupleType = new TupleTypeHLSL(name);
_elementTypes[element] = tupleType;
foreach (var a in element.Attributes)
{
if (!a.IsOutput) continue;
var attrName = MapName(a);
tupleType.AddField(
attrName,
EmitType(a.Type));
}
return tupleType;
}
/*
private EmitValHLSL GetFieldImpl(
SimpleValHLSL objVal,
IArrayTypeHLSL fieldRep,
string fieldName,
int fieldIndex,
Span span)
{
return new ArrayValHLSL(
string.Format("({0}).{1}", objVal, fieldName),
fieldRep);
}
*/
private EmitValHLSL GetFieldImpl(
SimpleValHLSL objVal,
TupleTypeHLSL fieldRep,
string fieldName,
int fieldIndex,
Span span)
{
List<EmitValHLSL> fieldFieldVals = new List<EmitValHLSL>();
int fieldFieldCount = fieldRep.GetFieldCount();
for (int ff = 0; ff < fieldFieldCount; ++ff)
{
var fieldFieldVal = GetField(
objVal,
fieldRep.GetFieldType(ff),
fieldName + fieldRep.GetFieldName(ff),
-1,
span);
fieldFieldVals.Add(fieldFieldVal);
}
return new TupleValHLSL(
fieldRep,
fieldFieldVals);
}
private ITypeHLSL MakePseudoArrayElemTypeImpl(
TupleTypeHLSL type,
EmitValHLSL count )
{
int fieldCount = type.GetFieldCount();
TupleTypeHLSL result = new TupleTypeHLSL(type.Name);
for (int ff = 0; ff < fieldCount; ++ff)
{
result.AddField(
type.GetFieldName(ff),
MakePseudoArrayElemType(
type.GetFieldType(ff),
count));
}
return result;
}
public EmitValHLSL GetElemImpl(
TupleValHLSL obj,
EmitValHLSL idx)
{
int fieldCount = obj.GetFieldCount();
EmitValHLSL[] fieldVals = new EmitValHLSL[fieldCount];
TupleTypeHLSL resultType = new TupleTypeHLSL("temp");
for (int ff = 0; ff < fieldCount; ++ff)
{
fieldVals[ff] = GetElem(
obj.GetFieldVal(ff),
idx);
resultType.AddField(
obj.AggType.GetFieldName(ff),
fieldVals[ff].Type);
}
return new TupleValHLSL(
resultType,
fieldVals);
}