public static DebugShaderModel Parse(DebugBytecodeReader reader)
{
var result = new DebugShaderModel();
result.MinorVersion = reader.ReadByte("MinorVersion");
result.MajorVersion = reader.ReadByte("MajorVersion");
result.Type = reader.ReadEnum16 <ShaderType>("ShaderType");
while (true)
{
var token = reader.PeakUint32();
Opcode opcode = (Opcode)(token & 0xffff);
if (opcode == Opcode.Comment && result.ReadCommentToken(reader))
{
continue;
}
reader.AddIndent($"T{result.Tokens.Count}");
var indent = reader.LocalMembers.OfType <DebugIndent>().Last();
IDebugToken instruction = result.ReadInstruction(reader);
result.Tokens.Add(instruction);
indent.Name += $" {instruction.Opcode} {string.Join(" ", instruction.Operands)}";
reader.RemoveIndent();
if (instruction.Opcode == Opcode.End)
{
break;
}
}
return(result);
}
public static DebugPSInfo Parse(DebugBytecodeReader reader)
{
return(new DebugPSInfo()
{
DepthOutput = reader.ReadByte("DepthOutput"),
SampleFrequency = reader.ReadByte("SampleFrequency")
});
}
public static DebugSamplerMapping Parse(DebugBytecodeReader reader)
{
var result = new DebugSamplerMapping();
result.TargetSampler = reader.ReadByte("TargetSampler");
result.SourceSampler = reader.ReadByte("SourceSampler");
result.SourceResource = reader.ReadByte("SourceResource");
var padding = reader.ReadByte("padding");
return(result);
}
public static DebugVSInfo Parse(DebugBytecodeReader reader)
{
return(new DebugVSInfo()
{
OutputPositionPresent = reader.ReadByte("OutputPositionPresent"),
});
}
public static DebugDSInfo Parse(DebugBytecodeReader reader)
{
return(new DebugDSInfo()
{
InputControlPointCount = reader.ReadUInt32("InputControlPointCount"),
OutputPositionPresent = reader.ReadByte("OutputPositionPresent"),
TessellatorDomain = reader.ReadUInt32("TessellatorDomain"),
});
}
public static DebugGSInfo Parse(DebugBytecodeReader reader)
{
return(new DebugGSInfo()
{
InputPrimitive = reader.ReadUInt32("InputPrimitive"),
OutputTopology = reader.ReadUInt32("OutputTopology"),
OutputStreamMask = reader.ReadUInt32("OutputStreamMask"),
OutputPositionPresent = reader.ReadByte("OutputPositionPresent")
});
}
internal void UpdateVersion(DebugShaderVersion version)
{
if (Reader == null)
{
return;
}
Reader.ReadUInt32("Unknown");
switch (version.ProgramType)
{
case ProgramType.VertexShader:
Info = DebugVSInfo.Parse(Reader);
break;
case ProgramType.HullShader:
Info = DebugHSInfo.Parse(Reader);
break;
case ProgramType.DomainShader:
Info = DebugDSInfo.Parse(Reader);
break;
case ProgramType.GeometryShader:
Info = DebugGSInfo.Parse(Reader);
break;
case ProgramType.PixelShader:
Info = DebugPSInfo.Parse(Reader);
break;
default:
Reader.ReadBytes("Unknown", 32);
break;
}
if (Info != null && Info.StructSize < DebugValidationInfo.UnionSize)
{
Reader.ReadBytes("Padding", DebugValidationInfo.UnionSize - Info.StructSize);
}
MinimumExpectedWaveLaneCount = Reader.ReadUInt32("MinimumExpectedWaveLaneCount");
MaximumExpectedWaveLaneCount = Reader.ReadUInt32("MaximumExpectedWaveLaneCount");
if (ChunkSize > 20)
{
Reader.ReadEnum8 <PSVShaderKind>("ShaderStage");
UsesViewID = Reader.ReadByte("UsesViewID");
GSMaxVertexCount = Reader.ReadByte("MaxVertexCount");
SigInputElements = Reader.ReadByte("SigInputElements");
SigOutputElements = Reader.ReadByte("SigOutputElements");
SigPatchConstOrPrimElements = Reader.ReadByte("SigPatchConstOrPrimElements");
SigInputVectors = Reader.ReadByte("SigInputVectors");
SigOutputVectors = Reader.ReadBytes("SigOutputVectors", 4);
}
Reader = null;
}
static void Main(string[] args)
{
args = new string[]
{
"-O",
"test.html",
"-h",
@"C:\Files\KM\ShaderStudio\src\UnityTests\bin\Debug\Blob\outer_wilds\Assets\Shader\SpritesDefault\VS_BF58DDF502C51FEB5145F1D0310B4327.o"
};
var options = new Options();
for (int i = 0; i < args.Length; i++)
{
switch (args[i])
{
case "-O":
if (args.Length <= i + 1)
{
Console.Error.WriteLine("No output path specified");
return;
}
options.DestPath = args[i + 1];
i += 1;
break;
case "-a":
options.Mode = DecompileMode.Dissassemble;
break;
case "-d":
options.Mode = DecompileMode.Debug;
break;
case "-h":
options.Mode = DecompileMode.DebugHtml;
break;
default:
options.SourcePath = args[i];
break;
}
}
if (string.IsNullOrEmpty(options.SourcePath))
{
Console.Error.WriteLine("No source path specified");
Environment.Exit(1);
}
byte[] data = null;
try
{
data = File.ReadAllBytes(options.SourcePath);
} catch (Exception ex) {
Console.Error.WriteLine("Error reading source");
Console.Error.WriteLine(ex);
Environment.Exit(1);
}
var programType = GetProgramType(data);
using (var sw = GetStream(options))
{
if (programType == ProgramType.Unknown)
{
Console.Error.WriteLine($"Unable to identify shader object format");
Environment.Exit(1);
}
else if (programType == ProgramType.DXBC)
{
if (options.Mode == DecompileMode.Dissassemble)
{
var container = new BytecodeContainer(data);
sw.Write(container.ToString());
}
else if (options.Mode == DecompileMode.Decompile)
{
var hlsl = DXDecompiler.Decompile(data);
sw.Write(hlsl);
}
else if (options.Mode == DecompileMode.Debug)
{
sw.WriteLine(string.Join(" ", args));
var shaderBytecode = DebugBytecodeContainer.Parse(data);
var result = shaderBytecode.Dump();
sw.Write(result);
}
else if (options.Mode == DecompileMode.DebugHtml)
{
var shaderBytecode = DebugBytecodeContainer.Parse(data);
var result = shaderBytecode.DumpHTML();
sw.Write(result);
}
}
else if (programType == ProgramType.DX9)
{
if (options.Mode == DecompileMode.Dissassemble)
{
var disasm = SlimShader.DX9Shader.AsmWriter.Disassemble(data);
sw.Write(disasm);
}
else if (options.Mode == DecompileMode.Decompile)
{
var hlsl = SlimShader.DX9Shader.HlslWriter.Decompile(data);
sw.Write(hlsl);
}
else if (options.Mode == DecompileMode.Debug)
{
sw.WriteLine(string.Join(" ", args));
var shaderType = (SlimShader.DX9Shader.ShaderType)BitConverter.ToUInt16(data, 2);
if (shaderType == SlimShader.DX9Shader.ShaderType.Effect)
{
var reader = new DebugBytecodeReader(data, 0, data.Length);
string error = "";
try
{
reader.ReadByte("minorVersion");
reader.ReadByte("majorVersion");
reader.ReadUInt16("shaderType");
DebugEffectChunk.Parse(reader, (uint)(data.Length - 4));
}
catch (Exception ex)
{
error = ex.ToString();
}
var dump = reader.DumpStructure();
if (!string.IsNullOrEmpty(error))
{
dump += "\n" + error;
}
sw.Write(dump);
}
else
{
var reader = new DebugBytecodeReader(data, 0, data.Length);
string error = "";
try
{
DebugShaderModel.Parse(reader);
}
catch (Exception ex)
{
error = ex.ToString();
}
var dump = reader.DumpStructure();
if (!string.IsNullOrEmpty(error))
{
dump += "\n" + error;
}
sw.Write(dump);
}
}
else if (options.Mode == DecompileMode.DebugHtml)
{
var shaderType = (SlimShader.DX9Shader.ShaderType)BitConverter.ToUInt16(data, 2);
if (shaderType == SlimShader.DX9Shader.ShaderType.Effect)
{
var reader = new DebugBytecodeReader(data, 0, data.Length);
string error = "";
try
{
reader.ReadByte("minorVersion");
reader.ReadByte("majorVersion");
reader.ReadUInt16("shaderType");
DebugEffectChunk.Parse(reader, (uint)(data.Length - 4));
}
catch (Exception ex)
{
error = ex.ToString();
}
var dump = reader.DumpHtml();
if (!string.IsNullOrEmpty(error))
{
dump += "\n" + error;
}
sw.Write(dump);
}
else
{
var reader = new DebugBytecodeReader(data, 0, data.Length);
string error = "";
try
{
DebugShaderModel.Parse(reader);
}
catch (Exception ex)
{
error = ex.ToString();
}
var dump = reader.DumpHtml();
if (!string.IsNullOrEmpty(error))
{
dump += "\n" + error;
}
sw.Write(dump);
}
}
}
}
}