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.PeekUint32();
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 += $" {instruction.Opcode} {string.Join(" ", instruction.Operands)}";
reader.RemoveIndent();
if (instruction.Opcode == Opcode.End)
{
break;
}
}
return(result);
}
public static DebugShaderProgramChunk Parse(DebugBytecodeReader reader)
{
var program = new DebugShaderProgramChunk
{
Version = DebugShaderVersion.ParseShex(reader),
Length = reader.ReadUInt32("Length")
};
while (!reader.EndOfBuffer)
{
var opcodeIndex = program.Tokens.Count;
var opcodeToken0 = reader.PeekUint32();
var opcodeHeader = new DebugOpcodeHeader
{
OpcodeType = opcodeToken0.DecodeValue <OpcodeType>(0, 10),
Length = opcodeToken0.DecodeValue(24, 30),
IsExtended = (opcodeToken0.DecodeValue(31, 31) == 1)
};
reader.AddIndent(opcodeHeader.OpcodeType.ToString());
if (opcodeHeader.Length == 0 && opcodeHeader.OpcodeType != OpcodeType.CustomData)
{
throw new Exception("Error parsing shader");
}
DebugOpcodeToken opcodeToken;
if (opcodeHeader.OpcodeType == OpcodeType.CustomData)
{
opcodeToken = DebugCustomDataToken.Parse(reader, opcodeToken0);
}
else if (opcodeHeader.OpcodeType.IsDeclaration())
{
opcodeToken = DebugDeclarationToken.Parse(reader, opcodeHeader.OpcodeType, program.Version);
}
else // Not custom data or declaration, so must be instruction.
{
opcodeToken = DebugInstructionToken.Parse(reader, opcodeHeader);
}
program.Tokens.Add(opcodeToken);
reader.RemoveIndent();
}
return(program);
}
public static DebugFxlc Parse(DebugBytecodeReader reader, uint size)
{
var result = new DebugFxlc();
var basePosition = reader._reader.BaseStream.Position;
var tokenCount = reader.ReadUInt32("TokenCount");
for (int i = 0; i < tokenCount; i++)
{
var token = reader.PeekUint32();
var type = (FxlcOpcode)token.DecodeValue(20, 30);
reader.AddIndent($"Token{i}({type})");
result.Tokens.Add(DebugFxlcToken.Parse(reader));
reader.RemoveIndent();
}
var padding = reader.ReadBytes($"Padding", 8);
var paddingUint64 = BitConverter.ToInt64(padding, 0);
var expected = 0x0F0F0f0FF0F0F0F0;
Debug.Assert(paddingUint64 == expected);
return(result);
}
public static DebugBinaryData Parse(DebugBytecodeReader reader, DebugBytecodeReader blobReader)
{
var result = new DebugBinaryData();
result.Index = blobReader.ReadUInt32("Index");
result.Size = blobReader.ReadUInt32("Size");
var startPosition = blobReader._reader.BaseStream.Position;
var header = blobReader.PeekUint32();
var shaderType = (ShaderType)(header >> 16);
var paddedSize = result.Size + (result.Size % 4 == 0 ? 0 : 4 - result.Size % 4);
if (shaderType == ShaderType.Pixel || shaderType == ShaderType.Vertex || shaderType == ShaderType.Expression)
{
var shaderReader = blobReader.CopyAtCurrentPosition("ShaderReader", blobReader);
result.Shader = DebugShaderModel.Parse(shaderReader);
}
else if (result.Size > 0)
{
blobReader.ReadBytes("Value", (int)paddedSize);
}
blobReader._reader.BaseStream.Position = startPosition + paddedSize;
return(result);
}
