private IEmitVal EmitExpImpl(
MidAttributeRef attrRef,
IEmitBlock block,
EmitEnv env)
{
return(EmitAttributeRef(attrRef.Decl, block, env));
}
private void SetSource(
ref MidExp srcExp,
MidAttributeDecl attr)
{
if (srcExp != null)
{
if (srcExp is MidAttributeRef)
{
var srcAttr = ((MidAttributeRef)srcExp).Decl;
if (srcAttr != attr)
{
throw OperationTooComplexError(srcExp.Range);
}
}
else
{
throw OperationTooComplexError(srcExp.Range);
}
}
srcExp = new MidAttributeRef(attr.Range, attr, new LazyFactory());
}
private void SetSource(
ref MidExp srcExp,
MidAttributeDecl attr)
{
if( srcExp != null )
{
if (srcExp is MidAttributeRef)
{
var srcAttr = ((MidAttributeRef)srcExp).Decl;
if (srcAttr != attr)
{
throw OperationTooComplexError(srcExp.Range);
}
}
else
{
throw OperationTooComplexError(srcExp.Range);
}
}
srcExp = new MidAttributeRef(attr.Range, attr, new LazyFactory());
}
private AttrInfo DecomposeAttrImpl(
MidAttributeRef midAttrRef,
DecomposeAttrContext context)
{
return DecomposeAttr(midAttrRef.Decl, context);
}
private object GetUniformValKeyImpl(
MidAttributeRef val)
{
return val.Decl;
}
private EmitValHLSL EmitValImpl(MidAttributeRef attribRef, Span span)
{
return EmitAttribRef(attribRef.Decl, span);
}
private string EmitAttrLitImpl(
MidAttributeRef exp )
{
EmitValHLSL val;
if( _attrVals.TryGetValue(exp.Decl, out val) )
return val.ToString();
throw new NotImplementedException();
}
public void PreEmitExpImpl(
MidAttributeRef exp,
Span span)
{
// Ensure that we've already emitted the attribute
EmitAttribRef(exp.Decl, span);
}
private AttributeInfo DecomposeAttrImpl(
SourceRange range,
MidAttributeRef midAttrRef)
{
return(DecomposeAttr(range, midAttrRef.Decl));
}
private MidExp SimplifyExpImpl(MidAttributeRef val, SimplifyEnv env)
{
if (val.IsLazy)
{
return _exps.AttributeRef(val.Range, val.Decl);
}
return val;
}
public MidAttributeRef CleanupExp( MidAttributeRef exp )
{
var oldAttr = exp.Decl;
var newAttr = MapOldToNew( oldAttr );
if( newAttr == oldAttr )
return exp;
newAttr.TrySetName( oldAttr.Name, oldAttr.Range );
return _exps.AttributeRef( exp.Range, newAttr );
}
private AttrInfo DecomposeAttrImpl(
MidAttributeRef midAttrRef,
DecomposeAttrContext context)
{
return(DecomposeAttr(midAttrRef.Decl, context));
}
private MidVal ReplaceImpl(
MidAttributeRef attrRef)
{
throw new NotImplementedException();
}
private AttributeInfo DecomposeAttrImpl(
SourceRange range,
MidAttributeRef midAttrRef)
{
return DecomposeAttr(range, midAttrRef.Decl);
}