public static InterfaceSlot Parse(BytecodeReader reader, BytecodeReader interfaceSlotReader)
{
var slotSpan = interfaceSlotReader.ReadUInt32();
var count = interfaceSlotReader.ReadUInt32();
var typeIDsOffset = interfaceSlotReader.ReadUInt32();
var typeIDsReader = reader.CopyAtOffset((int) typeIDsOffset);
var tableIDsOffset = interfaceSlotReader.ReadUInt32();
var tableIDsReader = reader.CopyAtOffset((int) tableIDsOffset);
var result = new InterfaceSlot
{
SlotSpan = slotSpan
};
for (int i = 0; i < count; i++)
{
result.TypeIDs.Add(typeIDsReader.ReadUInt16());
result.TableIDs.Add(tableIDsReader.ReadUInt32());
}
return result;
}
public static ConstantBuffer Parse(
BytecodeReader reader, BytecodeReader constantBufferReader,
ShaderVersion target)
{
uint nameOffset = constantBufferReader.ReadUInt32();
var nameReader = reader.CopyAtOffset((int) nameOffset);
uint variableCount = constantBufferReader.ReadUInt32();
uint variableOffset = constantBufferReader.ReadUInt32();
var result = new ConstantBuffer
{
Name = nameReader.ReadString()
};
var variableReader = reader.CopyAtOffset((int) variableOffset);
for (int i = 0; i < variableCount; i++)
result.Variables.Add(ShaderVariable.Parse(reader, variableReader, target, i == 0));
result.Size = constantBufferReader.ReadUInt32();
result.Flags = (ConstantBufferFlags) constantBufferReader.ReadUInt32();
result.BufferType = (ConstantBufferType) constantBufferReader.ReadUInt32();
return result;
}
public static ResourceDefinitionChunk Parse(BytecodeReader reader)
{
var headerReader = reader.CopyAtCurrentPosition();
uint constantBufferCount = headerReader.ReadUInt32();
uint constantBufferOffset = headerReader.ReadUInt32();
uint resourceBindingCount = headerReader.ReadUInt32();
uint resourceBindingOffset = headerReader.ReadUInt32();
var target = ShaderVersion.ParseRdef(headerReader);
uint flags = headerReader.ReadUInt32();
var creatorOffset = headerReader.ReadUInt32();
var creatorReader = reader.CopyAtOffset((int) creatorOffset);
var creator = creatorReader.ReadString();
var result = new ResourceDefinitionChunk
{
Target = target,
Flags = (ShaderFlags) flags,
Creator = creator
};
if (target.MajorVersion >= 5)
{
string rd11 = headerReader.ReadUInt32().ToFourCcString();
if (rd11 != "RD11")
throw new ParseException("Expected RD11.");
var unknown1 = headerReader.ReadUInt32(); // TODO
Debug.Assert(unknown1 == 60);
var unknown2 = headerReader.ReadUInt32();
Debug.Assert(unknown2 == 24);
var unknown3 = headerReader.ReadUInt32();
Debug.Assert(unknown3 == 32);
var unknown4 = headerReader.ReadUInt32();
Debug.Assert(unknown4 == 40);
var unknown5 = headerReader.ReadUInt32();
Debug.Assert(unknown5 == 36);
var unknown6 = headerReader.ReadUInt32();
Debug.Assert(unknown6 == 12);
result.InterfaceSlotCount = headerReader.ReadUInt32();
}
var constantBufferReader = reader.CopyAtOffset((int) constantBufferOffset);
for (int i = 0; i < constantBufferCount; i++)
result.ConstantBuffers.Add(ConstantBuffer.Parse(reader, constantBufferReader, result.Target));
var resourceBindingReader = reader.CopyAtOffset((int) resourceBindingOffset);
for (int i = 0; i < resourceBindingCount; i++)
result.ResourceBindings.Add(ResourceBinding.Parse(reader, resourceBindingReader));
return result;
}
public static InterfacesChunk Parse(BytecodeReader reader, uint sizeInBytes)
{
var headerReader = reader.CopyAtCurrentPosition();
var result = new InterfacesChunk();
var classInstanceCount = headerReader.ReadUInt32();
var classTypeCount = headerReader.ReadUInt32();
var interfaceSlotRecordCount = headerReader.ReadUInt32();
// Will be same as interfaceSlotRecordCount unless there are interface arrays.
result.InterfaceSlotCount = headerReader.ReadUInt32();
headerReader.ReadUInt32(); // Think this is offset to start of interface slot info, but we don't need it.
var classTypeOffset = headerReader.ReadUInt32();
var availableClassReader = reader.CopyAtOffset((int) classTypeOffset);
var interfaceSlotOffset = headerReader.ReadUInt32();
var interfaceSlotReader = reader.CopyAtOffset((int) interfaceSlotOffset);
for (uint i = 0; i < classTypeCount; i++)
{
var classType = ClassType.Parse(reader, availableClassReader);
classType.ID = i; // Really??
result.AvailableClassTypes.Add(classType);
}
for (uint i = 0; i < classInstanceCount; i++)
{
var classInstance = ClassInstance.Parse(reader, availableClassReader);
result.AvailableClassInstances.Add(classInstance);
}
uint startSlot = 0;
for (uint i = 0; i < interfaceSlotRecordCount; i++)
{
var interfaceSlot = InterfaceSlot.Parse(reader, interfaceSlotReader);
interfaceSlot.StartSlot = startSlot; // Really??
result.InterfaceSlots.Add(interfaceSlot);
startSlot += interfaceSlot.SlotSpan;
}
return result;
}
public static ShaderTypeMember Parse(BytecodeReader reader, BytecodeReader memberReader, ShaderVersion target,
int indent, bool isFirst, uint parentOffset)
{
var nameOffset = memberReader.ReadUInt32();
var nameReader = reader.CopyAtOffset((int) nameOffset);
var name = nameReader.ReadString();
var memberTypeOffset = memberReader.ReadUInt32();
var offset = memberReader.ReadUInt32();
var memberTypeReader = reader.CopyAtOffset((int) memberTypeOffset);
var memberType = ShaderType.Parse(reader, memberTypeReader, target, indent, isFirst, parentOffset + offset);
return new ShaderTypeMember(parentOffset)
{
Name = name,
Type = memberType,
Offset = offset
};
}
public static ClassType Parse(BytecodeReader reader, BytecodeReader classTypeReader)
{
var nameOffset = classTypeReader.ReadUInt32();
var nameReader = reader.CopyAtOffset((int) nameOffset);
return new ClassType
{
Name = nameReader.ReadString(),
ID = classTypeReader.ReadUInt16(),
ConstantBufferStride = classTypeReader.ReadUInt16(),
Texture = classTypeReader.ReadUInt16(),
Sampler = classTypeReader.ReadUInt16()
};
}
public static ResourceBinding Parse(BytecodeReader reader, BytecodeReader resourceBindingReader)
{
uint nameOffset = resourceBindingReader.ReadUInt32();
var nameReader = reader.CopyAtOffset((int) nameOffset);
return new ResourceBinding
{
Name = nameReader.ReadString(),
Type = (ShaderInputType) resourceBindingReader.ReadUInt32(),
ReturnType = (ResourceReturnType) resourceBindingReader.ReadUInt32(),
Dimension = (ShaderResourceViewDimension) resourceBindingReader.ReadUInt32(),
NumSamples = resourceBindingReader.ReadUInt32(),
BindPoint = resourceBindingReader.ReadUInt32(),
BindCount = resourceBindingReader.ReadUInt32(),
Flags = (ShaderInputFlags) resourceBindingReader.ReadUInt32()
};
}
public BytecodeContainer(byte[] rawBytes)
{
_rawBytes = rawBytes;
Chunks = new List<BytecodeChunk>();
var reader = new BytecodeReader(rawBytes, 0, rawBytes.Length);
Header = BytecodeContainerHeader.Parse(reader);
for (uint i = 0; i < Header.ChunkCount; i++)
{
uint chunkOffset = reader.ReadUInt32();
var chunkReader = reader.CopyAtOffset((int)chunkOffset);
var chunk = BytecodeChunk.ParseChunk(chunkReader, this);
if (chunk != null)
Chunks.Add(chunk);
}
}
public static ClassInstance Parse(BytecodeReader reader, BytecodeReader classInstanceReader)
{
var nameOffset = classInstanceReader.ReadUInt32();
var nameReader = reader.CopyAtOffset((int) nameOffset);
var name = nameReader.ReadString();
var type = classInstanceReader.ReadUInt16();
var unknown = classInstanceReader.ReadUInt16();
Debug.Assert(unknown == 1); // Unknown, perhaps the class instance type?
return new ClassInstance
{
Name = name,
Type = type,
ConstantBuffer = classInstanceReader.ReadUInt16(),
ConstantBufferOffset = classInstanceReader.ReadUInt16(),
Texture = classInstanceReader.ReadUInt16(),
Sampler = classInstanceReader.ReadUInt16()
};
}
///// <summary>
///// Gets the corresponding interface slot for a variable that represents an interface pointer.
///// </summary>
//public List<uint> InterfaceSlots { get; private set; }
public static ShaderVariable Parse(BytecodeReader reader,
BytecodeReader variableReader, ShaderVersion target,
bool isFirst)
{
uint nameOffset = variableReader.ReadUInt32();
var nameReader = reader.CopyAtOffset((int) nameOffset);
var startOffset = variableReader.ReadUInt32();
uint size = variableReader.ReadUInt32();
var flags = (ShaderVariableFlags) variableReader.ReadUInt32();
var typeOffset = variableReader.ReadUInt32();
var typeReader = reader.CopyAtOffset((int) typeOffset);
var shaderType = ShaderType.Parse(reader, typeReader, target, 2, isFirst, startOffset);
var defaultValueOffset = variableReader.ReadUInt32();
List<Number> defaultValue = null;
if (defaultValueOffset != 0)
{
defaultValue = new List<Number>();
var defaultValueReader = reader.CopyAtOffset((int) defaultValueOffset);
if (size % 4 != 0)
throw new ParseException("Can only deal with 4-byte default values at the moment.");
for (int i = 0; i < size; i += 4)
defaultValue.Add(new Number(defaultValueReader.ReadBytes(4)));
}
var name = nameReader.ReadString();
var result = new ShaderVariable
{
DefaultValue = defaultValue,
Member = new ShaderTypeMember(0)
{
Name = name,
Offset = startOffset,
Type = shaderType
},
BaseType = name,
Size = size,
Flags = flags
};
if (target.MajorVersion >= 5)
{
result.StartTexture = variableReader.ReadInt32();
result.TextureSize = variableReader.ReadInt32();
result.StartSampler = variableReader.ReadInt32();
result.SamplerSize = variableReader.ReadInt32();
}
return result;
}
public static ShaderType Parse(BytecodeReader reader, BytecodeReader typeReader, ShaderVersion target,
int indent, bool isFirst, uint parentOffset)
{
var result = new ShaderType(indent, isFirst)
{
VariableClass = (ShaderVariableClass) typeReader.ReadUInt16(),
VariableType = (ShaderVariableType) typeReader.ReadUInt16(),
Rows = typeReader.ReadUInt16(),
Columns = typeReader.ReadUInt16(),
ElementCount = typeReader.ReadUInt16()
};
var memberCount = typeReader.ReadUInt16();
var memberOffset = typeReader.ReadUInt32();
if (target.MajorVersion >= 5)
{
var parentTypeOffset = typeReader.ReadUInt32(); // Guessing
if (parentTypeOffset != 0)
{
var parentTypeReader = reader.CopyAtOffset((int) parentTypeOffset);
var parentTypeClass = (ShaderVariableClass) parentTypeReader.ReadUInt16();
Debug.Assert(parentTypeClass == ShaderVariableClass.Vector || parentTypeClass == ShaderVariableClass.InterfaceClass);
var unknown1 = parentTypeReader.ReadUInt16();
Debug.Assert(unknown1 == 0);
}
var unknown2 = typeReader.ReadUInt32();
if (unknown2 != 0)
{
var unknownReader = reader.CopyAtOffset((int) unknown2);
uint unknown3 = unknownReader.ReadUInt32();
Debug.Assert(unknown3 == 0 || unknown3 == 5);
}
var unknown4 = typeReader.ReadUInt32();
Debug.Assert(unknown4 == 0 || unknown4 == 1);
var unknown5 = typeReader.ReadUInt32();
if (unknown5 != 0)
{
var unknownReader = reader.CopyAtOffset((int) unknown5);
var unknown6 = unknownReader.ReadUInt32();
Debug.Assert(unknown6 == 580 || unknown6 == 740);
}
var parentNameOffset = typeReader.ReadUInt32();
if (parentNameOffset > 0)
{
var parentNameReader = reader.CopyAtOffset((int) parentNameOffset);
result.BaseTypeName = parentNameReader.ReadString();
}
}
if (memberCount > 0)
{
var memberReader = reader.CopyAtOffset((int) memberOffset);
for (int i = 0; i < memberCount; i++)
result.Members.Add(ShaderTypeMember.Parse(reader, memberReader, target, indent + 4, i == 0,
parentOffset));
}
return result;
}
public static SignatureParameterDescription Parse(BytecodeReader reader, BytecodeReader parameterReader,
ChunkType chunkType, SignatureElementSize size, ProgramType programType)
{
uint stream = 0;
if (size == SignatureElementSize._7)
stream = parameterReader.ReadUInt32();
uint nameOffset = parameterReader.ReadUInt32();
var nameReader = reader.CopyAtOffset((int) nameOffset);
var result = new SignatureParameterDescription
{
SemanticName = nameReader.ReadString(),
SemanticIndex = parameterReader.ReadUInt32(),
SystemValueType = (Name) parameterReader.ReadUInt32(),
ComponentType = (RegisterComponentType) parameterReader.ReadUInt32(),
Register = parameterReader.ReadUInt32(),
Stream = stream,
//MinPrecision = (MinPrecision) parameterReader.ReadByte() TODO
};
uint mask = parameterReader.ReadUInt32();
result.Mask = mask.DecodeValue<ComponentMask>(0, 7);
result.ReadWriteMask = mask.DecodeValue<ComponentMask>(8, 15);
// This is my guesswork, but it works so far...
if (chunkType == ChunkType.Osg5 || chunkType == ChunkType.Osgn
|| (chunkType == ChunkType.Pcsg && programType == ProgramType.HullShader))
result.ReadWriteMask = (ComponentMask) (ComponentMask.All - result.ReadWriteMask);
// Vertex and pixel shaders need special handling for SystemValueType in the output signature.
if ((programType == ProgramType.PixelShader || programType == ProgramType.VertexShader)
&& (chunkType == ChunkType.Osg5 || chunkType == ChunkType.Osgn))
{
if (result.Register == 0xffffffff)
switch (result.SemanticName.ToUpper())
{
case "SV_DEPTH":
result.SystemValueType = Name.Depth;
break;
case "SV_COVERAGE":
result.SystemValueType = Name.Coverage;
break;
case "SV_DEPTHGREATEREQUAL":
result.SystemValueType = Name.DepthGreaterEqual;
break;
case "SV_DEPTHLESSEQUAL":
result.SystemValueType = Name.DepthLessEqual;
break;
}
else if (programType == ProgramType.PixelShader)
result.SystemValueType = Name.Target;
}
return result;
}