private void TranslatePostfixAttributes(ShaderTranslationContext sc, IEnumerable <Attribute> attributes, char?registerName, int fieldIndex, int fieldSize, MappedConstantBuffer cBuffer)
{
foreach (Attribute a in attributes)
{
switch (a)
{
case RegisterAttribute regAtt:
if (registerName == null)
{
continue;
}
int slotID = (int)(regAtt.Slot + fieldIndex);
cBuffer?.BindSlots.Add(new BindPointInfo(regAtt.Model, regAtt.ApplicableEntryPoint, slotID));
if (regAtt.ApplicableEntryPoint == EntryPointType.AnyOrNone)
{
sc.Source.Append($" : register({registerName}{slotID})");
}
else
{
string profile = regAtt.Model.ToString().Replace("SM", _profileNames[regAtt.ApplicableEntryPoint]);
sc.Source.Append($" : register({profile}, {registerName}{slotID})");
}
break;
case PackOffsetAttribute packAtt:
if (cBuffer == null)
{
continue;
}
int totalComponentOffset = (packAtt.OffsetRegister * COMPONENTS_PER_REGISTER) + (int)packAtt.OffsetComponent;
totalComponentOffset += (int)Math.Floor((fieldSize * fieldIndex) / (float)COMPONENT_BYTE_SIZE);
PackOffsetComponent component = (PackOffsetComponent)(totalComponentOffset % COMPONENTS_PER_REGISTER);
int register = (int)Math.Floor(totalComponentOffset / (float)COMPONENTS_PER_REGISTER);
string componentName = component.ToString().ToLower();
sc.Source.Append($" : packoffset(c{register}.{componentName})");
break;
case SemanticAttribute semAtt:
if (cBuffer != null)
{
continue;
}
string semanticName = semAtt.Semantic.ToString().ToUpper();
sc.Source.Append($" : {semanticName}");
if (semAtt.Slot >= 0)
{
sc.Source.Append(semAtt.Slot.ToString());
}
break;
}
}
}
public PackOffsetAttribute(int offsetRegister, PackOffsetComponent offsetComponent = PackOffsetComponent.X)
{
OffsetRegister = offsetRegister;
OffsetComponent = offsetComponent;
}
