public LogicalGroupReference CreateDrawLogicalGroup(string logicalGroup)
{
// Check existing slots
for (int i = 0; i < drawLogicalGroups.Count; i++)
{
if (drawLogicalGroups[i].Variable.Equals(logicalGroup))
{
return(new LogicalGroupReference(i));
}
}
// Need a new slot
var slotReference = new LogicalGroupReference(drawLogicalGroups.Count);
drawLogicalGroups.Add(new NamedSlotDefinition(logicalGroup));
// Update existing instantiated buffers
foreach (var effect in InstantiatedEffects)
{
var resourceGroupLayout = effect.Value.PerDrawLayout;
// Ensure there is enough space
if (resourceGroupLayout.LogicalGroups == null || resourceGroupLayout.LogicalGroups.Length < drawLogicalGroups.Count)
{
Array.Resize(ref resourceGroupLayout.LogicalGroups, drawLogicalGroups.Count);
}
ResolveLogicalGroup(resourceGroupLayout, slotReference.Index, logicalGroup);
}
return(slotReference);
}
/// <inheritdoc/>
protected override void InitializeCore()
{
renderObjectInstancingDataInfoKey = RootRenderFeature.RenderData.CreateStaticObjectKey <InstancingData>();
renderEffectKey = ((RootEffectRenderFeature)RootRenderFeature).RenderEffectKey;
instancingResourceGroupKey = ((RootEffectRenderFeature)RootRenderFeature).CreateDrawLogicalGroup("Instancing");
}
public LogicalGroup GetLogicalGroup(LogicalGroupReference logicalGroupReference)
{
return(LogicalGroups[logicalGroupReference.Index]);
}