public static PackedNativeType[] FromMemoryProfiler(UnityEditor.Profiling.Memory.Experimental.PackedMemorySnapshot snapshot)
{
var source = snapshot.nativeTypes;
var value = new PackedNativeType[source.GetNumEntries()];
var sourceTypeName = new string[source.typeName.GetNumEntries()];
source.typeName.GetEntries(0, source.typeName.GetNumEntries(), ref sourceTypeName);
var sourceNativeBaseTypeArrayIndex = new int[source.nativeBaseTypeArrayIndex.GetNumEntries()];
source.nativeBaseTypeArrayIndex.GetEntries(0, source.nativeBaseTypeArrayIndex.GetNumEntries(), ref sourceNativeBaseTypeArrayIndex);
for (int n = 0, nend = value.Length; n < nend; ++n)
{
value[n] = new PackedNativeType
{
name = sourceTypeName[n],
nativeBaseTypeArrayIndex = sourceNativeBaseTypeArrayIndex[n],
nativeTypeArrayIndex = n,
managedTypeArrayIndex = -1,
};
}
;
return(value);
}
public bool IsSubclassOf(PackedNativeType type, int baseTypeIndex)
{
if (type.nativeTypeArrayIndex == baseTypeIndex)
{
return(true);
}
if (baseTypeIndex < 0 || type.nativeTypeArrayIndex < 0)
{
return(false);
}
var guard = 0;
while (type.nativeBaseTypeArrayIndex != -1)
{
// safety code in case of an infite loop
if (++guard > 64)
{
break;
}
if (type.nativeBaseTypeArrayIndex == baseTypeIndex)
{
return(true);
}
// get type of the base class
type = nativeTypes[type.nativeBaseTypeArrayIndex];
}
return(false);
}
/// <summary>
/// Loads a memory snapshot from the specified 'filePath' and stores the result in 'snapshot'.
/// </summary>
/// <param name="filePath">Absolute file path</param>
public bool LoadFromFile(string filePath)
{
busyString = "Loading";
using (var fileStream = new System.IO.FileStream(filePath, System.IO.FileMode.Open))
{
using (var reader = new System.IO.BinaryReader(fileStream))
{
try
{
PackedMemorySnapshotHeader.Read(reader, out header, out busyString);
if (!header.isValid)
{
throw new Exception("Invalid header.");
}
PackedNativeType.Read(reader, out nativeTypes, out busyString);
PackedNativeUnityEngineObject.Read(reader, out nativeObjects, out busyString);
PackedGCHandle.Read(reader, out gcHandles, out busyString);
PackedConnection.Read(reader, out connections, out busyString);
PackedMemorySection.Read(reader, out managedHeapSections, out busyString);
PackedManagedType.Read(reader, out managedTypes, out busyString);
PackedVirtualMachineInformation.Read(reader, out virtualMachineInformation, out busyString);
}
catch (System.Exception e)
{
Debug.LogException(e);
return(false);
}
}
}
return(true);
}
/// <summary>
/// Converts an Unity PackedMemorySnapshot to our own format.
/// </summary>
public static PackedMemorySnapshot FromMemoryProfiler(MemorySnapshotProcessingArgs args)
{
var source = args.source;
var value = new PackedMemorySnapshot();
try
{
VerifyMemoryProfilerSnapshot(source);
value.busyString = "Loading Header";
value.header = PackedMemorySnapshotHeader.FromMemoryProfiler();
value.busyString = string.Format("Loading {0} Native Types", source.nativeTypes.Length);
value.nativeTypes = PackedNativeType.FromMemoryProfiler(source.nativeTypes);
value.busyString = string.Format("Loading {0} Native Objects", source.nativeObjects.Length);
value.nativeObjects = PackedNativeUnityEngineObject.FromMemoryProfiler(source.nativeObjects);
value.busyString = string.Format("Loading {0} GC Handles", source.gcHandles.Length);
value.gcHandles = PackedGCHandle.FromMemoryProfiler(source.gcHandles);
value.busyString = string.Format("Loading {0} Object Connections", source.connections.Length);
if (args.excludeNativeFromConnections)
{
value.connections = ConnectionsFromMemoryProfilerWithoutNativeHACK(value, source);
}
else
{
value.connections = PackedConnection.FromMemoryProfiler(source.connections);
}
value.busyString = string.Format("Loading {0} Managed Heap Sections", source.managedHeapSections.Length);
value.managedHeapSections = PackedMemorySection.FromMemoryProfiler(source.managedHeapSections);
value.busyString = string.Format("Loading {0} Managed Types", source.typeDescriptions.Length);
value.managedTypes = PackedManagedType.FromMemoryProfiler(source.typeDescriptions);
value.busyString = "Loading VM Information";
value.virtualMachineInformation = PackedVirtualMachineInformation.FromMemoryProfiler(source.virtualMachineInformation);
}
catch (System.Exception e)
{
Debug.LogException(e);
value = null;
throw;
}
return(value);
}
/// <summary>
/// Saves the specfified memory snapshot as a file, using the specified 'filePath'.
/// </summary>
public void SaveToFile(string filePath)
{
using (var fileStream = new System.IO.FileStream(filePath, System.IO.FileMode.OpenOrCreate))
{
using (var writer = new System.IO.BinaryWriter(fileStream))
{
PackedMemorySnapshotHeader.Write(writer, header);
PackedNativeType.Write(writer, nativeTypes);
PackedNativeUnityEngineObject.Write(writer, nativeObjects);
PackedGCHandle.Write(writer, gcHandles);
PackedConnection.Write(writer, connections);
PackedMemorySection.Write(writer, managedHeapSections);
PackedManagedType.Write(writer, managedTypes);
PackedVirtualMachineInformation.Write(writer, virtualMachineInformation);
}
}
}
public static PackedNativeType[] FromMemoryProfiler(UnityEditor.MemoryProfiler.PackedNativeType[] source)
{
var value = new PackedNativeType[source.Length];
for (int n = 0, nend = source.Length; n < nend; ++n)
{
value[n] = new PackedNativeType
{
name = source[n].name,
#if UNITY_5_6_OR_NEWER
nativeBaseTypeArrayIndex = source[n].nativeBaseTypeArrayIndex,
#else
nativeBaseTypeArrayIndex = source[n].baseClassId,
#endif
nativeTypeArrayIndex = n,
managedTypeArrayIndex = -1,
};
}
;
return(value);
}
/// <summary>
/// Reads a PackedNativeType array from the specified reader and stores the result in the specified value.
/// </summary>
public static void Read(System.IO.BinaryReader reader, out PackedNativeType[] value, out string stateString)
{
value = new PackedNativeType[0];
stateString = "";
var version = reader.ReadInt32();
if (version >= 1)
{
var length = reader.ReadInt32();
stateString = string.Format("Loading {0} Native Types", length);
value = new PackedNativeType[length];
for (int n = 0, nend = value.Length; n < nend; ++n)
{
value[n].name = reader.ReadString();
value[n].nativeBaseTypeArrayIndex = reader.ReadInt32();
value[n].nativeTypeArrayIndex = n;
value[n].managedTypeArrayIndex = -1;
}
}
}
