public static int Comparison(TypeRequest obj1, TypeRequest obj2)
{
if (obj1.mType == obj2.mType && obj1.mStorageClass == obj2.mStorageClass)
{
return(0);
}
return(-1);
}
TypeRequest GetValueType(TypeRequest inputType)
{
var elementType = inputType.mType.GetElementType();
return(new TypeRequest(elementType, inputType.mStorageClass));
}
/// <summary>
/// Fetch the id for the provided type. If the type doesn't exist add it to the type list and return the new id.
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
UInt32 GetTypeId(TypeRequest typeRequest)
{
var type = typeRequest.mType;
var storageClass = typeRequest.mStorageClass;
//We'll treat enum blah : int32 {...} the same as int32 for now.
if (type.IsEnum)
{
type = type.GetEnumUnderlyingType();
}
if (mTypeIds.ContainsKey(typeRequest))
{
return(mTypeIds[typeRequest]);
}
var typeCode = Type.GetTypeCode(type);
var id = GetNextId();
PushName(id, type.Name);
switch (typeCode)
{
case TypeCode.Boolean:
{
mTypeInstructions.Add(Pack(2, spv.Op.OpTypeBool)); //size,Type
mTypeInstructions.Add(id); //Id
}
break;
case TypeCode.Byte:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(8); //Number of bits.
mTypeInstructions.Add(0); //Signedness (0 = unsigned,1 = signed)
}
break;
case TypeCode.Char:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(8); //Number of bits.
mTypeInstructions.Add(0); //Signedness (0 = unsigned,1 = signed)
}
break;
case TypeCode.DateTime:
{
throw new NotImplementedException();
}
//break;
case TypeCode.DBNull:
{
throw new NotImplementedException();
}
//break;
case TypeCode.Decimal:
{
mTypeInstructions.Add(Pack(3, spv.Op.OpTypeFloat)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(128); //Number of bits.
}
break;
case TypeCode.Double:
{
mTypeInstructions.Add(Pack(3, spv.Op.OpTypeFloat)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(64); //Number of bits.
}
break;
case TypeCode.Empty:
{
mTypeInstructions.Add(Pack(2, spv.Op.OpTypeVoid)); //size,Type
mTypeInstructions.Add(id); //Id
}
break;
case TypeCode.Int16:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(16); //Number of bits.
mTypeInstructions.Add(1); //Signedness (0 = unsigned,1 = signed)
}
break;
case TypeCode.Int32:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(32); //Number of bits.
mTypeInstructions.Add(1); //Signedness (0 = unsigned,1 = signed)
}
break;
case TypeCode.Int64:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(64); //Number of bits.
mTypeInstructions.Add(1); //Signedness (0 = unsigned,1 = signed)
}
break;
case TypeCode.Object:
{
if (type.IsPointer)
{
//OpTypePointer
var elementType = type.GetElementType();
var pointerTypeId = GetTypeId(elementType, storageClass);
mTypeInstructions.Add(Pack(4, spv.Op.OpTypePointer)); //size,Type
mTypeInstructions.Add(id); //Id
if (elementType == typeof(Sampler2D))
{
mTypeInstructions.Add((UInt32)spv.StorageClass.StorageClassUniformConstant); //Storage Class
}
else
{
mTypeInstructions.Add((UInt32)storageClass); //Storage Class
}
mTypeInstructions.Add(pointerTypeId); // Type
}
else if (type == typeof(Vector4))
{
var columnTypeId = GetTypeId(typeof(float), storageClass);
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeVector)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(columnTypeId); //Component/Column Type
mTypeInstructions.Add(4); //ComponentCount
}
else if (type == typeof(Matrix4x4))
{
var columnTypeId = GetTypeId(typeof(float), storageClass);
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeMatrix)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(columnTypeId); //Component/Column Type
mTypeInstructions.Add(4); //ComponentCount
mDecorateInstructions.Add(Pack(3, spv.Op.OpDecorate)); //size,Type
mDecorateInstructions.Add(id); //target (Id)
mDecorateInstructions.Add((UInt32)spv.Decoration.DecorationColMajor); //Decoration Type (Id)
//mDecorateInstructions.Add((UInt32)spv::DecorationRowMajor); //Decoration Type (Id)
}
else if (type == typeof(Vector3))
{
var columnTypeId = GetTypeId(typeof(float), storageClass);
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeVector)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(columnTypeId); //Component/Column Type
mTypeInstructions.Add(3); //ComponentCount
}
else if (type == typeof(Vector2))
{
var columnTypeId = GetTypeId(typeof(float), storageClass);
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeVector)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(columnTypeId); //Component/Column Type
mTypeInstructions.Add(2); //ComponentCount
}
else if (type.IsArray)
{
var arrayTypeId = GetTypeId(type.GetElementType(), storageClass);
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeArray)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(arrayTypeId); // Type
mTypeInstructions.Add(0 /*mConstantIntegerIds[type.]*/); // Length
//TODO: figure out how to handle array length.
}
else if (type == typeof(Sampler2D))
{
var id2 = id;
id = GetNextId();
//OpTypeSampler
var sampledTypeId = GetTypeId(typeof(float), storageClass);
mTypeInstructions.Add(Pack(9, spv.Op.OpTypeImage)); //size,Type
mTypeInstructions.Add(id2); //Result (Id)
mTypeInstructions.Add(sampledTypeId); //Sampled Type (Id)
mTypeInstructions.Add((UInt32)spv.Dim.Dim2D); //dimensionality
mTypeInstructions.Add(0); //Depth
mTypeInstructions.Add(0); //Arrayed
mTypeInstructions.Add(0); //MS
mTypeInstructions.Add(1); //Sampled
mTypeInstructions.Add((UInt32)spv.ImageFormat.ImageFormatUnknown); //Sampled
mTypeInstructions.Add(Pack(3, spv.Op.OpTypeSampledImage)); //size,Type
mTypeInstructions.Add(id); //Result (Id)
mTypeInstructions.Add(id2); //Type (Id)
}
else //assume it's a custom structure with a valid layout.
{
var fields = type.GetFields();
mTypeInstructions.Add(Pack((UInt16)(2 + fields.Length), spv.Op.OpTypeStruct)); //size,Type
mTypeInstructions.Add(id); //Result (Id)
int memberIndex = 0;
int memberOffset = 0;
for (int i = 0; i < fields.Length; i++)
{
var member = fields[i];
var memberType = member.GetType();
var memberTypeId = GetTypeId(memberType, storageClass);
mTypeInstructions.Add(memberTypeId);
mDecorateInstructions.Add(Pack(4 + 1, spv.Op.OpMemberDecorate)); //size,Type
mDecorateInstructions.Add(id); //target (Id)
mDecorateInstructions.Add((UInt32)memberIndex); //Member (Literal)
mDecorateInstructions.Add((UInt32)spv.Decoration.DecorationOffset); //Decoration Type (Id)
mDecorateInstructions.Add((UInt32)memberOffset);
PushMemberName(id, member.Name, (UInt32)memberIndex);
memberIndex += 1;
memberOffset += Marshal.SizeOf(memberType);
}
}
}
break;
case TypeCode.SByte:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(8); //Number of bits.
mTypeInstructions.Add(1); //Signedness (0 = unsigned,1 = signed)
}
break;
case TypeCode.Single:
{
mTypeInstructions.Add(Pack(3, spv.Op.OpTypeFloat)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(32); //Number of bits.
}
break;
case TypeCode.String:
{
throw new NotImplementedException();
}
break;
case TypeCode.UInt16:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(16); //Number of bits.
mTypeInstructions.Add(0); //Signedness (0 = unsigned,1 = signed)
}
break;
case TypeCode.UInt32:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(32); //Number of bits.
mTypeInstructions.Add(0); //Signedness (0 = unsigned,1 = signed)
}
break;
case TypeCode.UInt64:
{
mTypeInstructions.Add(Pack(4, spv.Op.OpTypeInt)); //size,Type
mTypeInstructions.Add(id); //Id
mTypeInstructions.Add(64); //Number of bits.
mTypeInstructions.Add(0); //Signedness (0 = unsigned,1 = signed)
}
break;
default:
throw new NotImplementedException();
}
mTypeIds[typeRequest] = id;
mIdTypePairs[id] = typeRequest;
return(id);
}
TypeRequest GetPointerComponentType(TypeRequest inputType)
{
var pointerOfElementType = inputType.mType.GetElementType().GetElementType().MakePointerType();
return(new TypeRequest(pointerOfElementType, inputType.mStorageClass));
}
