public uint FindReducedExpressionIndexFromSlotCPU(VFXSlot slot)
{
if (m_ExpressionGraph == null)
{
return(uint.MaxValue);
}
var targetExpression = slot.GetExpression();
if (targetExpression == null)
{
return(uint.MaxValue);
}
if (!m_ExpressionGraph.CPUExpressionsToReduced.ContainsKey(targetExpression))
{
return(uint.MaxValue);
}
var ouputExpression = m_ExpressionGraph.CPUExpressionsToReduced[targetExpression];
return((uint)m_ExpressionGraph.GetFlattenedIndex(ouputExpression));
}
public static int TransferExpressionToParameters(IList <VFXExpression> inputExpression, IEnumerable <VFXParameter> parameters, List <VFXExpression> backedUpExpressions = null)
{
int cptSlot = 0;
foreach (var param in parameters)
{
VFXSlot outputSlot = param.outputSlots[0];
param.subgraphMode = true;
if (inputExpression.Count > cptSlot)
{
if (backedUpExpressions != null)
{
backedUpExpressions.Add(outputSlot.GetExpression());
}
outputSlot.SetExpression(inputExpression[cptSlot]);
}
cptSlot += 1;
}
return(cptSlot);
}
public override VFXExpressionMapper GetExpressionMapper(VFXDeviceTarget target)
{
var localSpace = ((VFXDataParticle)GetData()).space == VFXCoordinateSpace.Local;
if (localSpace && target == VFXDeviceTarget.GPU) // Needs to add locaToWorld matrix
{
var gpuMapper = new VFXExpressionMapper();
if (IsPerCamera(sortCriterion))
{
gpuMapper.AddExpression(VFXBuiltInExpression.LocalToWorld, "unity_ObjectToWorld", -1);
gpuMapper.AddExpression(VFXBuiltInExpression.WorldToLocal, "unity_WorldToObject", -1);
}
if (sortCriterion == SortCriteria.Custom)
{
var sortKeyExp = customSortingSlot.GetExpression();
gpuMapper.AddExpression(sortKeyExp, "sortKey", -1);
}
return(gpuMapper);
}
return(null); // cpu
}
