shared_ptr<HullShaderForkPhaseInstanceCountDeclarationToken> HullShaderForkPhaseInstanceCountDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto result = shared_ptr<HullShaderForkPhaseInstanceCountDeclarationToken>(new HullShaderForkPhaseInstanceCountDeclarationToken());
result->_instanceCount = reader.ReadUInt32();
return result;
}
shared_ptr<TempRegisterDeclarationToken> TempRegisterDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto result = shared_ptr<TempRegisterDeclarationToken>(new TempRegisterDeclarationToken());
result->_tempCount = reader.ReadUInt32();
return result;
};
shared_ptr<IndexingRangeDeclarationToken> IndexingRangeDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto operand = Operand::Parse(reader, DecodeValue<OpcodeType>(token0, 0, 10));
auto result = shared_ptr<IndexingRangeDeclarationToken>(new IndexingRangeDeclarationToken(operand));
result->_registerCount = reader.ReadUInt32();
return result;
}
shared_ptr<RawThreadGroupSharedMemoryDeclarationToken> RawThreadGroupSharedMemoryDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto operand = Operand::Parse(reader, DecodeValue<OpcodeType>(token0, 0, 10));
auto result = shared_ptr<RawThreadGroupSharedMemoryDeclarationToken>(new RawThreadGroupSharedMemoryDeclarationToken(operand));
result->_elementCount = reader.ReadUInt32();
return result;
}
shared_ptr<ThreadGroupDeclarationToken> ThreadGroupDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto result = shared_ptr<ThreadGroupDeclarationToken>(new ThreadGroupDeclarationToken());
result->_dimensions[0] = reader.ReadUInt32();
result->_dimensions[1] = reader.ReadUInt32();
result->_dimensions[2] = reader.ReadUInt32();
return result;
};
shared_ptr<StructuredUnorderedAccessViewDeclarationToken> StructuredUnorderedAccessViewDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto coherency = DecodeValue<UnorderedAccessViewCoherency>(token0, 16, 16);
auto operand = Operand::Parse(reader, DecodeValue<OpcodeType>(token0, 0, 10));
auto result = shared_ptr<StructuredUnorderedAccessViewDeclarationToken>(new StructuredUnorderedAccessViewDeclarationToken(coherency, operand));
result->_hasOrderPreservingCounter = (DecodeValue(token0, 23, 23) == 0),
result->_byteStride = reader.ReadUInt32();
return result;
}
shared_ptr<DxbcChunk> DxbcChunk::Parse(BytecodeReader& chunkReader, const DxbcContainer& container)
{
// Type of chunk this is.
auto fourCc = chunkReader.ReadUInt32();
// Total length of the chunk in bytes.
auto chunkSize = chunkReader.ReadUInt32();
ChunkType chunkType = static_cast<ChunkType>(fourCc);
BytecodeReader chunkContentReader(chunkReader, chunkSize);
shared_ptr<DxbcChunk> chunk;
switch (chunkType)
{
case ChunkType::Ifce :
chunk = InterfacesChunk::Parse(chunkContentReader, chunkSize);
break;
case ChunkType::Isgn :
case ChunkType::Osgn:
//case ChunkType::Osg5: // Doesn't seem to be used?
case ChunkType::Pcsg:
chunk = InputOutputSignatureChunk::Parse(chunkContentReader, chunkType,
container.GetResourceDefinition()->GetTarget().GetProgramType());
break;
case ChunkType::Rdef:
chunk = ResourceDefinitionChunk::Parse(chunkContentReader);
break;
case ChunkType::Sdbg :
chunk = DebuggingChunk::Parse(chunkContentReader);
break;
case ChunkType::Sfi0:
chunk = Sfi0Chunk::Parse(chunkContentReader);
break;
case ChunkType::Shdr:
case ChunkType::Shex:
chunk = ShaderProgramChunk::Parse(chunkContentReader);
break;
case ChunkType::Stat:
chunk = StatisticsChunk::Parse(chunkContentReader, chunkSize);
break;
case ChunkType::Spdb:
// Visual Studio Debug Chunk
// No Parse
chunk = ShaderPassDebugChunk::Parse(chunkContentReader, chunkSize);
break;
default :
throw std::runtime_error("Chunk type '" + ToFourCcString(fourCc) + "' is not yet supported.");
}
chunk->_fourCc = fourCc;
chunk->_chunkSize = chunkSize;
chunk->_chunkType = chunkType;
return chunk;
}
shared_ptr<GeometryShaderOutputPrimitiveTopologyDeclarationToken> GeometryShaderOutputPrimitiveTopologyDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto result = shared_ptr<GeometryShaderOutputPrimitiveTopologyDeclarationToken>(new GeometryShaderOutputPrimitiveTopologyDeclarationToken());
result->_primitiveTopology = DecodeValue<PrimitiveTopology>(token0, 11, 17);
return result;
}
shared_ptr<ControlPointCountDeclarationToken> ControlPointCountDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto result = shared_ptr<ControlPointCountDeclarationToken>(new ControlPointCountDeclarationToken());
result->_controlPointCount = DecodeValue(token0, 11, 16);
return result;
};
shared_ptr<TessellatorDomainDeclarationToken> TessellatorDomainDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto result = shared_ptr<TessellatorDomainDeclarationToken>(new TessellatorDomainDeclarationToken());
result->_domain = DecodeValue<TessellatorDomain>(token0, 11, 12);
return result;
};
shared_ptr<RawUnorderedAccessViewDeclarationToken> RawUnorderedAccessViewDeclarationToken::Parse(BytecodeReader& reader)
{
auto token0 = reader.ReadUInt32();
auto coherency = DecodeValue<UnorderedAccessViewCoherency>(token0, 16, 16);
auto operand = Operand::Parse(reader, DecodeValue<OpcodeType>(token0, 0, 10));
auto result = shared_ptr<RawUnorderedAccessViewDeclarationToken>(new RawUnorderedAccessViewDeclarationToken(coherency, operand));
return result;
}
Number Number::Parse(BytecodeReader& reader, NumberType type)
{
const int byteCount = 4;
uint8_t bytes[byteCount];
for (int i = 0; i < byteCount; i++)
bytes[i] = reader.ReadUInt8();
return FromRawBytes(bytes, type);
}
shared_ptr<ResourceDefinitionChunk> ResourceDefinitionChunk::Parse(BytecodeReader& reader)
{
BytecodeReader headerReader(reader);
auto constantBufferCount = headerReader.ReadUInt32();
auto constantBufferOffset = headerReader.ReadUInt32();
auto resourceBindingCount = headerReader.ReadUInt32();
auto resourceBindingOffset = headerReader.ReadUInt32();
auto target = ShaderVersion::ParseRdef(headerReader);
auto flags = static_cast<ShaderFlags>(headerReader.ReadUInt32());
auto creatorOffset = headerReader.ReadUInt32();
auto creatorReader = reader.CopyAtOffset(creatorOffset);
auto creator = creatorReader.ReadString();
// TODO: Parse Direct3D 11 resource definition stuff.
// https://github.com/mirrors/wine/blob/master/dlls/d3dcompiler_43/reflection.c#L1429
if (target.GetMajorVersion() >= 5)
{
auto rd11 = ToFourCcString(headerReader.ReadUInt32());
if (rd11 != "RD11")
throw runtime_error("Expected RD11.");
auto unknown1 = headerReader.ReadUInt32();
auto unknown2 = headerReader.ReadUInt32();
auto unknown3 = headerReader.ReadUInt32();
auto unknown4 = headerReader.ReadUInt32();
auto unknown5 = headerReader.ReadUInt32();
auto unknown6 = headerReader.ReadUInt32();
auto unknown7 = headerReader.ReadUInt32();
}
auto result = shared_ptr<ResourceDefinitionChunk>(new ResourceDefinitionChunk(target));
result->_flags = flags;
result->_creator = creator;
auto constantBufferReader = reader.CopyAtOffset(constantBufferOffset);
for (uint32_t i = 0; i < constantBufferCount; i++)
result->_constantBuffers.push_back(ConstantBuffer::Parse(reader, constantBufferReader, result->_target));
auto resourceBindingReader = reader.CopyAtOffset(resourceBindingOffset);
for (uint32_t i = 0; i < resourceBindingCount; i++)
result->_resourceBindings.push_back(ResourceBinding::Parse(reader, resourceBindingReader));
return result;
}
shared_ptr<InterfacesChunk> InterfacesChunk::Parse(BytecodeReader& reader, uint32_t sizeInBytes)
{
BytecodeReader headerReader(reader);
auto result = shared_ptr<InterfacesChunk>(new InterfacesChunk());
auto classInstanceCount = headerReader.ReadUInt32();
auto classTypeCount = headerReader.ReadUInt32();
auto 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.
auto classTypeOffset = headerReader.ReadUInt32();
auto availableClassReader = reader.CopyAtOffset(classTypeOffset);
auto interfaceSlotOffset = headerReader.ReadUInt32();
auto interfaceSlotReader = reader.CopyAtOffset(interfaceSlotOffset);
for (uint32_t i = 0; i < classTypeCount; i++)
{
auto classType = ClassType::Parse(reader, availableClassReader);
classType.SetID(i); // TODO: Really??
result->_availableClassTypes.push_back(classType);
}
for (uint32_t i = 0; i < classInstanceCount; i++)
{
auto classInstance = ClassInstance::Parse(reader, availableClassReader);
result->_availableClassInstances.push_back(classInstance);
}
uint32_t startSlot = 0;
for (uint32_t i = 0; i < interfaceSlotRecordCount; i++)
{
auto interfaceSlot = InterfaceSlot::Parse(reader, interfaceSlotReader);
interfaceSlot.SetStartSlot(startSlot); // TODO: Really??
result->_interfaceSlots.push_back(interfaceSlot);
startSlot += interfaceSlot.GetSlotSpan();
}
return result;
}
DxbcContainer DxbcContainer::Parse(BytecodeReader& reader)
{
DxbcContainer container;
BytecodeReader headerReader(reader);
container._header = DxbcContainerHeader::Parse(headerReader);
for (uint32_t i = 0; i < container._header.GetChunkCount(); i++)
{
auto chunkOffset = headerReader.ReadUInt32();
auto chunkReader = reader.CopyAtOffset(chunkOffset);
container._chunks.push_back(DxbcChunk::Parse(chunkReader, container));
}
return container;
}
ResourceBinding ResourceBinding::Parse(const BytecodeReader& reader, BytecodeReader& resourceBindingReader)
{
auto nameOffset = resourceBindingReader.ReadUInt32();
auto nameReader = reader.CopyAtOffset(nameOffset);
ResourceBinding result;
result._name = nameReader.ReadString();
result._type = static_cast<ShaderInputType>(resourceBindingReader.ReadUInt32());
result._returnType = static_cast<ResourceReturnType>(resourceBindingReader.ReadUInt32());
result._dimension = static_cast<ShaderResourceViewDimension>(resourceBindingReader.ReadUInt32());
result._numSamples = resourceBindingReader.ReadUInt32();
result._bindPoint = resourceBindingReader.ReadUInt32();
result._bindCount = resourceBindingReader.ReadUInt32();
result._flags = static_cast<ShaderInputFlags>(resourceBindingReader.ReadUInt32());
return result;
}
ClassInstance ClassInstance::Parse(const BytecodeReader& reader, BytecodeReader& classInstanceReader)
{
auto nameOffset = classInstanceReader.ReadUInt32();
auto nameReader = reader.CopyAtOffset(nameOffset);
auto name = nameReader.ReadString();
auto type = classInstanceReader.ReadUInt16();
auto unknown = classInstanceReader.ReadUInt16();
assert(unknown == 1); // Unknown, perhaps the class instance type?
ClassInstance result;
result._name = name;
result._type = type;
result._constantBuffer = classInstanceReader.ReadUInt16();
result._constantBufferOffset = classInstanceReader.ReadUInt16();
result._texture = classInstanceReader.ReadUInt16();
result._sampler = classInstanceReader.ReadUInt16();
return result;
}
shared_ptr<Sfi0Chunk> Sfi0Chunk::Parse(BytecodeReader& reader)
{
auto unknown = reader.ReadInt32();
assert(unknown == 2); // TODO: Unknown
return shared_ptr<Sfi0Chunk>(new Sfi0Chunk());
}
SystemValueName NameToken::Parse(BytecodeReader& reader)
{
auto token = reader.ReadUInt32();
return DecodeValue<SystemValueName>(token, 0, 15);
}
shared_ptr<InstructionToken> InstructionToken::Parse(BytecodeReader& reader, const OpcodeHeader& header)
{
auto instructionToken = shared_ptr<InstructionToken>(new InstructionToken());
// Advance to next token.
auto instructionEnd = reader.GetCurrentPosition() + (header.Length * sizeof(uint32_t));
auto token0 = reader.ReadUInt32();
if (header.OpcodeType == OpcodeType::Sync)
{
instructionToken->_syncFlags = DecodeValue<SyncFlags>(token0, 11, 14);
}
else
{
instructionToken->_saturate = (DecodeValue(token0, 13, 13) == 1);
instructionToken->_testBoolean = DecodeValue<InstructionTestBoolean>(token0, 18, 18);
}
bool extended = header.IsExtended;
while (extended)
{
auto extendedToken = reader.ReadUInt32();
auto extendedType = DecodeValue<InstructionTokenExtendedType>(extendedToken, 0, 5);
instructionToken->_extendedTypes.push_back(extendedType);
extended = (DecodeValue(extendedToken, 31, 31) == 1);
switch (extendedType)
{
case InstructionTokenExtendedType::SampleControls:
instructionToken->_sampleOffsets[0] = DecodeSigned4BitValue(extendedToken, 9, 12);
instructionToken->_sampleOffsets[1] = DecodeSigned4BitValue(extendedToken, 13, 16);
instructionToken->_sampleOffsets[2] = DecodeSigned4BitValue(extendedToken, 17, 20);
break;
case InstructionTokenExtendedType::ResourceDim:
instructionToken->_resourceTarget = DecodeValue<ResourceDimension>(extendedToken, 6, 10);
instructionToken->_resourceStride = DecodeValue<uint8_t>(extendedToken, 11, 15);
break;
case InstructionTokenExtendedType::ResourceReturnType:
instructionToken->_resourceReturnTypes[0] = DecodeValue<ResourceReturnType>(extendedToken, 6, 9);
instructionToken->_resourceReturnTypes[1] = DecodeValue<ResourceReturnType>(extendedToken, 10, 13);
instructionToken->_resourceReturnTypes[2] = DecodeValue<ResourceReturnType>(extendedToken, 14, 17);
instructionToken->_resourceReturnTypes[3] = DecodeValue<ResourceReturnType>(extendedToken, 18, 21);
break;
default:
throw new runtime_error("Unrecognised extended type");
}
}
if (header.OpcodeType == OpcodeType::InterfaceCall)
{
// Interface call
//
// OpcodeToken0:
//
// [10:00] D3D10_SB_OPCODE_INTERFACE_CALL
// [23:11] Ignored, 0
// [30:24] Instruction length in DWORDs including the opcode token.
// [31] 0 normally. 1 if extended operand definition, meaning next DWORD
// contains extended operand description. If it is extended, then
// it contains the actual instruction length in DWORDs, since
// it may not fit into 7 bits if enough types are used.
//
// OpcodeToken0 is followed by a DWORD that gives the function index to
// call in the function table specified for the given interface.
// Next is the interface operand.
instructionToken->_functionIndex = reader.ReadUInt32();
}
while (reader.GetCurrentPosition() < instructionEnd)
instructionToken->_operands.push_back(Operand::Parse(reader, header.OpcodeType));
return instructionToken;
}