public MidExp PreTransform(
MidFieldRef fieldRef)
{
var attrFetch = fieldRef.Obj as MidAttributeFetch;
if (attrFetch == null)
{
return(fieldRef);
}
AttributeInfo info;
if (!_attrInfos.TryGetValue(attrFetch.Attribute, out info))
{
return(fieldRef);
}
var fieldAttr = (from f in info.Fields
where f.FieldDecl == fieldRef.Decl
select f.AttrDecl).First();
fieldAttr.IsOutput = true;
return(_exps.AttributeFetch(
fieldRef.Range,
attrFetch.Obj,
fieldAttr));
}
private static void DumpExpImpl(
MidFieldRef fieldRef,
Span span)
{
span.Write("{0}.{1}", fieldRef.Obj.Dump(), fieldRef.Decl.Name);
}
private EmitValHLSL EmitExpImpl(MidFieldRef fieldRef, Span span)
{
var obj = EmitExp(fieldRef.Obj, span);
var fieldDecl = fieldRef.Decl;
var fieldName = fieldDecl.Name.ToString();
var fieldType = EmitType(fieldDecl.Type);
var fieldIndex = -1;
var aggType = (IAggTypeHLSL) obj.Type;
int fieldCount = aggType.GetFieldCount();
for (int ff = 0; ff < fieldCount; ++ff)
{
if (aggType.GetFieldName(ff) != fieldName)
continue;
fieldIndex = ff;
break;
}
return GetField(
obj,
fieldType,
fieldName,
fieldIndex,
span );
}
private void TransformChildrenImpl(
MidFieldRef fetch)
{
fetch.Obj = (MidPath)Transform(fetch.Obj);
}
private void TransformChildrenImpl(
MidFieldRef fetch)
{
fetch.Obj = (MidPath) Transform(fetch.Obj);
}
public MidExp PreTransform(
MidFieldRef fieldRef)
{
var attrFetch = fieldRef.Obj as MidAttributeFetch;
if (attrFetch == null)
return fieldRef;
AttributeInfo info;
if (!_attrInfos.TryGetValue(attrFetch.Attribute, out info))
return fieldRef;
var fieldAttr = (from f in info.Fields
where f.FieldDecl == fieldRef.Decl
select f.AttrDecl).First();
fieldAttr.IsOutput = true;
return _exps.AttributeFetch(
fieldRef.Range,
attrFetch.Obj,
fieldAttr);
}
private AttributeInfo DecomposeAttrImpl(
SourceRange range,
MidFieldRef midFieldRef)
{
var structAttrInfo = (StructInfo)DecomposeAttr(midFieldRef.Range, midFieldRef.Obj);
var fieldInfo = (from f in structAttrInfo.Fields
where f.Field == midFieldRef.Decl
select f.Info).First();
return fieldInfo;
}
