private void ExportSnippet(TextWriter writer, Stream stream, int offset, int size)
{
using (PartialStream snippetStream = new PartialStream(stream, offset, size))
{
int decodedSize = SmolvDecoder.GetDecodedBufferSize(snippetStream);
if (decodedSize == 0)
{
throw new Exception("Invalid SMOL-V shader header");
}
using (MemoryStream decodedStream = new MemoryStream(new byte[decodedSize]))
{
if (SmolvDecoder.Decode(stream, size, decodedStream))
{
decodedStream.Position = 0;
Module module = Module.ReadFrom(decodedStream);
string listing = m_disassembler.Disassemble(module, DisassemblyOptions.Default);
ExportListing(writer, listing);
}
else
{
throw new Exception("Unable to decode SMOL-V shader");
}
}
}
}
public static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("No argument. Provide a path to smolv shader");
}
else if (!File.Exists(args[0]))
{
Console.WriteLine($"File {args[0]} doesn't exists");
}
else
{
byte[] data = null;
string filePath = args[0];
using (FileStream fs = File.OpenRead(filePath))
{
data = new byte[fs.Length];
fs.Read(data, 0, data.Length);
}
byte[] decoded = SmolvDecoder.Decode(data);
if (decoded == null)
{
Console.WriteLine("Unable to decode smolv shader");
}
else
{
string dirPath = Path.GetDirectoryName(filePath);
string fileName = Path.GetFileNameWithoutExtension(filePath);
string fileExtension = Path.GetExtension(filePath);
string newFilePath = Path.Combine(dirPath, fileName + "_unpacked" + fileExtension);
using (FileStream fs = File.Create(newFilePath))
{
fs.Write(decoded, 0, decoded.Length);
}
Console.WriteLine("Finished");
}
}
Console.ReadKey();
}
private static string ExportSnippet(Stream stream, int offset, int size)
{
stream.Position = offset;
var decodedSize = SmolvDecoder.GetDecodedBufferSize(stream);
if (decodedSize == 0)
{
throw new Exception("Invalid SMOL-V shader header");
}
using (var decodedStream = new MemoryStream(new byte[decodedSize]))
{
if (SmolvDecoder.Decode(stream, size, decodedStream))
{
decodedStream.Position = 0;
var module = Module.ReadFrom(decodedStream);
var disassembler = new Disassembler();
return(disassembler.Disassemble(module, DisassemblyOptions.Default).Replace("\r\n", "\n"));
}
else
{
throw new Exception("Unable to decode SMOL-V shader");
}
}
}
