public ITypeHLSL MakeArrayType(
ITypeHLSL elementType,
EmitValHLSL elementCount)
{
if (elementType is RealTypeHLSL)
{
return new ArrayTypeHLSL(
(RealTypeHLSL)elementType,
elementCount);
}
else
{
return new PseudoArrayTypeHLSL(
MakePseudoArrayElemType(elementType, elementCount),
elementCount);
}
}
public IEnumerable<string> DeclareBase(
EmitValHLSL val,
string prefix,
string semantic,
string suffix)
{
return DeclareBaseImpl(
(dynamic) val,
prefix,
semantic,
suffix);
}
public ArrayTypeBaseHLSL(
RealTypeHLSL elementType,
EmitValHLSL elementCount)
{
_elementType = elementType;
_elementCount = elementCount;
}
// Bind an attribute to a given value
public void BindAttr(
MidAttributeWrapperDecl wrapper,
EmitValHLSL val)
{
BindAttr(wrapper.Attribute, val);
}
public void DeclareAndInitLocal(
EmitValHLSL local,
EmitValHLSL init,
Span span)
{
DeclareAndInitLocalImpl(
(dynamic)local,
(dynamic)init,
span);
}
public PseudoArrayTypeHLSL(
ITypeHLSL elementType,
EmitValHLSL elementCount)
{
_elementType = elementType;
_elementCount = elementCount;
}
public override EmitValHLSL CreateVal(string name)
{
int fieldCount = GetFieldCount();
EmitValHLSL[] fieldVals = new EmitValHLSL[fieldCount];
for (int ff = 0; ff < fieldCount; ++ff)
{
fieldVals[ff] = GetFieldType(ff).CreateVal(name + GetFieldName(ff));
}
return new TupleValHLSL(this, fieldVals);
}
// Declare function parameters
private void DeclareParam(
EmitValHLSL val,
string prefix,
string semantic,
ref bool first,
Span span)
{
var decls = DeclareBase(
val,
prefix,
semantic,
"");
foreach (var d in decls)
{
if (!first)
span.WriteLine(",");
first = false;
span.Write(d);
}
}
private EmitValHLSL GetField(
EmitValHLSL objVal,
ITypeHLSL fieldRep,
string fieldName,
int fieldIndex,
Span span)
{
return GetFieldImpl(
(dynamic)objVal,
(dynamic)fieldRep,
fieldName,
fieldIndex,
span);
}
private EmitValHLSL DeclareAndInitRecord(
Span span,
MidElementDecl record,
EmitValHLSL destVar)
{
var recordVal = EvaluateRecordAttrs(span, record);
DeclareAndInitLocal(
destVar,
recordVal,
span);
return destVar;
}
private ITypeHLSL DeclareConnectorFields(
ITypeHLSL rep,
string name,
string semantic,
Span span,
EmitValHLSL[] arrayDims = null)
{
DeclareFields(
rep,
span,
name,
semantic: semantic);
return rep;
}
private void AssignImpl(
EmitValHLSL dest,
VoidValHLSL src,
Span span)
{
}
private void AddArgs(
EmitValHLSL val,
ref bool first,
Span span)
{
AddArgsImpl(
(dynamic)val,
ref first,
span);
}
public ArrayTypeHLSL(
RealTypeHLSL elementType,
EmitValHLSL elementCount)
: base(elementType, elementCount)
{
}
public override void Emit(
EmitValHLSL val,
Span span)
{
_context.Assign(
_resultVar,
val,
span);
span.WriteLine("return;");
}
private ITypeHLSL MakePseudoArrayElemType(
ITypeHLSL type,
EmitValHLSL count)
{
return MakePseudoArrayElemTypeImpl(
(dynamic)type,
count);
}
public PseudoArrayElemTypeHLSL(
RealTypeHLSL elementType,
EmitValHLSL elementCount)
: base(elementType, elementCount)
{
}
private ITypeHLSL MakePseudoArrayElemTypeImpl(
RealTypeHLSL type,
EmitValHLSL count)
{
return new PseudoArrayElemTypeHLSL(type, count);
}
public PseudoArrayValHLSL(
PseudoArrayTypeHLSL type,
EmitValHLSL innerVal)
: base(type)
{
_innerVal = innerVal;
}
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 void Assign(
EmitValHLSL dst,
EmitValHLSL src,
Span span)
{
AssignImpl(
(dynamic)dst,
(dynamic)src,
span);
}
private ITypeHLSL MakePseudoArrayElemTypeImpl(
PseudoArrayTypeHLSL type,
EmitValHLSL count)
{
return new PseudoArrayTypeHLSL(
MakePseudoArrayElemType(
type.ElementType,
count),
type.ElementCount);
}
public void BindAttr(
MidAttributeDecl attr,
EmitValHLSL val)
{
_attrVals[attr] = val;
}
public BreakLabel(
MidLabel midLabel,
EmitContextHLSL context,
EmitValHLSL resultVar)
{
_midLabel = midLabel;
_context = context;
_resultVar = resultVar;
}
public void DeclareAndInitLocalImpl(
TupleValHLSL local,
EmitValHLSL init,
Span span)
{
int fieldCount = local.GetFieldCount();
var aggType = local.AggType;
for (int ii = 0; ii < fieldCount; ++ii)
{
var fieldInit = GetField(
init,
aggType.GetFieldType(ii),
aggType.GetFieldName(ii),
ii,
span);
DeclareAndInitLocal(
local.GetFieldVal(ii),
fieldInit,
span);
}
}
public abstract void Emit(
EmitValHLSL val,
Span span);
public void DeclareLocal(
EmitValHLSL val,
Span span)
{
DeclareLocalImpl(
(dynamic)val,
span);
}
public ReturnLabel(
EmitContextHLSL context,
EmitValHLSL resultVar)
{
_context = context;
_resultVar = resultVar;
}
//
public EmitValHLSL FetchAttr(
EmitValHLSL objVal,
MidAttributeDecl attr,
Span span)
{
var attrType = EmitType(attr.Type);
var attrName = MapName(attr);
int attrIndex = 0;
foreach (var a in attr.Element.Outputs)
{
if (a == attr)
break;
attrIndex++;
}
var objType = (IAggTypeHLSL)objVal.Type;
return GetField(
objVal,
objType.GetFieldType(attrIndex),
attrName,
attrIndex,
span);
}
public EmitValHLSL InitRecord(
Span span,
MidElementDecl record,
EmitValHLSL destVar)
{
var recordVal = EvaluateRecordAttrs(span, record);
Assign(
destVar,
recordVal,
span);
return destVar;
}
