private void Compile()
{
// If we are first, let's apply our layout!
if (source.Layout == null && subKey == null)
{
source.UpdateLayout(destination.Layout);
return;
}
else
{
// TODO GRAPHICS REFACTOR optim: check if layout are the same
//if (source.Layout.LayoutParameterKeyInfos == destination.Layout.LayoutParameterKeyInfos)
}
var rangesList = new List <CopyRange>();
// Try to match elements (both source and destination should have a layout by now)
foreach (var parameterKeyInfo in destination.Layout.LayoutParameterKeyInfos)
{
var sourceKey = parameterKeyInfo.Key;
if (subKey != null && sourceKey.Name.EndsWith(subKey))
{
// That's a match
var subkeyName = parameterKeyInfo.Key.Name.Substring(0, parameterKeyInfo.Key.Name.Length - subKey.Length);
sourceKey = ParameterKeys.FindByName(subkeyName);
}
if (parameterKeyInfo.Key.Type == ParameterKeyType.Value)
{
var sourceAccessor = source.GetValueAccessorHelper(sourceKey, parameterKeyInfo.Count);
var destAccessor = destination.GetValueAccessorHelper(parameterKeyInfo.Key, parameterKeyInfo.Count);
var elementCount = Math.Min(sourceAccessor.Count, destAccessor.Count);
var elementSize = parameterKeyInfo.Key.Size;
var size = (elementSize + 15) / 16 * 16 * (elementCount - 1) + elementSize;
rangesList.Add(new CopyRange {
IsData = true, SourceStart = sourceAccessor.Offset, DestStart = destAccessor.Offset, Size = size
});
}
else
{
var sourceAccessor = source.GetObjectParameterHelper(sourceKey);
var destAccessor = destination.GetObjectParameterHelper(parameterKeyInfo.Key);
var elementCount = Math.Min(sourceAccessor.Count, destAccessor.Count);
rangesList.Add(new CopyRange {
IsResource = true, SourceStart = sourceAccessor.Offset, DestStart = destAccessor.Offset, Size = elementCount
});
}
}
ranges = rangesList.ToArray();
sourceLayoutCounter = source.LayoutCounter;
}
public override void Serialize(ref PermutationParameterKey <T> obj, ArchiveMode mode, SerializationStream stream)
{
if (mode == ArchiveMode.Serialize)
{
stream.Write(obj.Name);
stream.Write(obj.Length);
}
else
{
var parameterName = stream.ReadString();
var parameterLength = stream.ReadInt32();
obj = (PermutationParameterKey <T>)ParameterKeys.FindByName(parameterName);
// If parameter could not be found, create one matching this type.
if (obj == null)
{
var metadata = new ParameterKeyValueMetadata <T>();
obj = new PermutationParameterKey <T>(parameterName, parameterLength, metadata);
ParameterKeys.Merge(obj, null, parameterName);
}
}
}
/// <summary>
/// Compute copy operations. Assumes destination layout is sequential.
/// </summary>
/// <param name="dest"></param>
/// <param name="source"></param>
/// <param name="keyRoot"></param>
public void Compile(ParameterCollection dest, ParameterCollection source, string keyRoot)
{
ranges = new List <CopyRange>();
destination = dest;
var sourceLayout = new ParameterCollectionLayout();
// Helper structures to try to keep range contiguous and have as few copy operations as possible (note: there can be some padding)
var currentDataRange = new CopyRange {
IsData = true, DestStart = -1
};
var currentResourceRange = new CopyRange {
IsResource = true, DestStart = -1
};
// Iterate over each variable in dest, and if they match keyRoot, create the equivalent layout in source
foreach (var parameterKeyInfo in dest.Layout.LayoutParameterKeyInfos)
{
bool isResource = parameterKeyInfo.BindingSlot != -1;
bool isData = parameterKeyInfo.Offset != -1;
if (parameterKeyInfo.Key.Name.EndsWith(keyRoot))
{
// That's a match
var subkeyName = parameterKeyInfo.Key.Name.Substring(0, parameterKeyInfo.Key.Name.Length - keyRoot.Length);
var subkey = ParameterKeys.FindByName(subkeyName);
if (isData)
{
// First time since range reset, let's setup destination offset
if (currentDataRange.DestStart == -1)
{
currentDataRange.DestStart = parameterKeyInfo.Offset;
}
// Might be some empty space (padding)
currentDataRange.Size = parameterKeyInfo.Offset - currentDataRange.DestStart;
sourceLayout.LayoutParameterKeyInfos.Add(new ParameterKeyInfo(subkey, currentDataRange.SourceStart + currentDataRange.Size, parameterKeyInfo.Count));
var elementCount = parameterKeyInfo.Count;
var elementSize = parameterKeyInfo.Key.Size;
var size = (elementSize + 15) / 16 * 16 * (elementCount - 1) + elementSize;
currentDataRange.Size += size;
}
else if (isResource)
{
// First time since range reset, let's setup destination offset
if (currentResourceRange.DestStart == -1)
{
currentResourceRange.DestStart = parameterKeyInfo.BindingSlot;
}
// Might be some empty space (padding) (probably unlikely for resources...)
currentResourceRange.Size = parameterKeyInfo.BindingSlot - currentResourceRange.DestStart;
sourceLayout.LayoutParameterKeyInfos.Add(new ParameterKeyInfo(subkey, currentResourceRange.SourceStart + currentResourceRange.Size));
currentResourceRange.Size += parameterKeyInfo.Count;
}
}
else
{
// Found one item not part of the range, let's finish it
if (isData)
{
FlushRangeIfNecessary(ref currentDataRange);
}
else if (isResource)
{
FlushRangeIfNecessary(ref currentResourceRange);
}
}
}
// Finish ranges
FlushRangeIfNecessary(ref currentDataRange);
FlushRangeIfNecessary(ref currentResourceRange);
// Update sizes
sourceLayout.BufferSize = currentDataRange.SourceStart;
sourceLayout.ResourceCount = currentResourceRange.SourceStart;
source.UpdateLayout(sourceLayout);
}