private static bool ValidateDelegate(Delegate candidate)
{
MethodInfo methodInfo = candidate.Method;
return((methodInfo.IsStatic || methodInfo.DeclaringType.IsStatelessDelegateContainer()) &&
(HlslKnownTypes.IsKnownScalarType(methodInfo.ReturnType) || HlslKnownTypes.IsKnownVectorType(methodInfo.ReturnType)));
}
public static int GetHashCode(Action <ThreadIds> action)
{
// Get the delegate hashcode
MethodInfo methodInfo = action.Method;
int hash = methodInfo.GetHashCode();
if (!HasherMapping.TryGetValue(hash, out Hasher? hasher))
{
// Get the candidate fields for delegate checking
FieldInfo[] delegateFieldInfos = (
from fieldInfo in methodInfo.DeclaringType.GetFields()
where fieldInfo.FieldType.IsDelegate() &&
fieldInfo.FieldType.GenericTypeArguments.All(type => HlslKnownTypes.IsKnownScalarType(type) || HlslKnownTypes.IsKnownVectorType(type))
select fieldInfo).ToArray();
// If at least one captured delegate is present, build the hasher method
hasher = delegateFieldInfos.Length == 0 ? null : BuildDynamicHasher(action.Method.DeclaringType, delegateFieldInfos);
HasherMapping.Add(hash, hasher);
}
// Aggregate the hash of the captured delegates, if needed
if (hasher != null)
{
hash = hasher(hash, action.Target);
}
return(hash);
}
/// <summary>
/// Loads a specified <see cref="ReadableMember"/> and adds it to the shader model
/// </summary>
/// <param name="memberInfo">The target <see cref="ReadableMember"/> to load</param>
/// <param name="name">The optional explicit name to use for the field</param>
/// <param name="parents">The list of parent fields to reach the current <see cref="ReadableMember"/> from a given <see cref="Action{T}"/></param>
private void LoadFieldInfo(ReadableMember memberInfo, string?name = null, IReadOnlyList <ReadableMember>?parents = null)
{
Type fieldType = memberInfo.MemberType;
string fieldName = HlslKnownKeywords.GetMappedName(name ?? memberInfo.Name);
// Constant buffer
if (HlslKnownTypes.IsConstantBufferType(fieldType))
{
DescriptorRanges.Add(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, 1, _ConstantBuffersCount));
// Track the buffer field
memberInfo.Parents = parents;
_CapturedMembers.Add(memberInfo);
string typeName = HlslKnownTypes.GetMappedName(fieldType.GenericTypeArguments[0]);
_BuffersList.Add(new ConstantBufferFieldInfo(fieldType, typeName, fieldName, _ConstantBuffersCount++));
}
else if (HlslKnownTypes.IsReadOnlyBufferType(fieldType))
{
// Root parameter for a readonly buffer
DescriptorRanges.Add(new DescriptorRange1(DescriptorRangeType.ShaderResourceView, 1, _ReadOnlyBuffersCount));
// Track the buffer field
memberInfo.Parents = parents;
_CapturedMembers.Add(memberInfo);
string typeName = HlslKnownTypes.GetMappedName(fieldType);
_BuffersList.Add(new ReadOnlyBufferFieldInfo(fieldType, typeName, fieldName, _ReadOnlyBuffersCount++));
}
else if (HlslKnownTypes.IsReadWriteBufferType(fieldType))
{
// Root parameter for a read write buffer
DescriptorRanges.Add(new DescriptorRange1(DescriptorRangeType.UnorderedAccessView, 1, _ReadWriteBuffersCount));
// Track the buffer field
memberInfo.Parents = parents;
_CapturedMembers.Add(memberInfo);
string typeName = HlslKnownTypes.GetMappedName(fieldType);
_BuffersList.Add(new ReadWriteBufferFieldInfo(fieldType, typeName, fieldName, _ReadWriteBuffersCount++));
}
else if (HlslKnownTypes.IsKnownScalarType(fieldType) || HlslKnownTypes.IsKnownVectorType(fieldType))
{
// Register the captured field
memberInfo.Parents = parents;
_CapturedMembers.Add(memberInfo);
string typeName = HlslKnownTypes.GetMappedName(fieldType);
_FieldsList.Add(new CapturedFieldInfo(fieldType, typeName, fieldName));
}
else if (fieldType.IsClass && fieldName.StartsWith("CS$<>"))
{
// Captured scope, update the parents list
List <ReadableMember> updatedParents = parents?.ToList() ?? new List <ReadableMember>();
updatedParents.Add(memberInfo);
// Recurse on the new compiler generated class
IReadOnlyList <FieldInfo> fields = fieldType.GetFields().ToArray();
foreach (FieldInfo fieldInfo in fields)
{
LoadFieldInfo(fieldInfo, null, updatedParents);
}
}
else if (fieldType.IsDelegate() &&
memberInfo.GetValue(Action.Target) is Delegate func &&
(func.Method.IsStatic || func.Method.DeclaringType.IsStatelessDelegateContainer()) &&
(HlslKnownTypes.IsKnownScalarType(func.Method.ReturnType) || HlslKnownTypes.IsKnownVectorType(func.Method.ReturnType)) &&
fieldType.GenericTypeArguments.All(type => HlslKnownTypes.IsKnownScalarType(type) ||
HlslKnownTypes.IsKnownVectorType(type)))
{
// Captured static delegates with a return type
LoadStaticMethodSource(fieldName, func.Method);
}
}