private IEmitType EmitTypeImpl(
MidStructRef midType,
EmitEnv env)
{
var midDecl = midType.Decl;
return(_structTypes.Cache(
midDecl,
() => EmitStructType(_module, midDecl)));
}
private SizeInfo GetSizeInfoImpl(MidStructRef type)
{
UInt32 totalSize = 0;
UInt32 maxAlign = 1;
foreach (var f in type.Fields)
{
var fieldInfo = GetSizeInfo(f.Type);
UInt32 fieldSize = fieldInfo.Size;
UInt32 fieldAlign = fieldInfo.Align;
// pad to align
totalSize = ((totalSize + (fieldAlign - 1)) / fieldAlign) * fieldAlign;
totalSize += fieldSize;
maxAlign = Math.Max(maxAlign, fieldAlign);
}
return(new SizeInfo {
Size = totalSize, Align = maxAlign
});
}
private AttributeInfo GenerateInputElementsImpl(
SourceRange range,
string name,
MidStructRef type,
int vertexStream,
IndexSourceInfo index,
UInt32 baseOffset,
int inputSlotIndex)
{
var fields = new List <FieldInfo>();
UInt32 totalOffset = baseOffset;
foreach (var f in type.Fields)
{
// \todo: Align
fields.Add(new FieldInfo
{
Field = f,
Info = GenerateInputElements(
range,
string.Format("{0}_{1}", name, f.Name.ToString()),
f.Type,
vertexStream,
index,
totalOffset)
});
totalOffset += GetSizeOf(f.Type);
}
return(new StructInfo(range)
{
Fields = fields.ToArray()
});
}
