public static SignatureParameterDescription Parse(BytecodeReader reader, BytecodeReader parameterReader,
ChunkType chunkType, SignatureElementSize size)
{
uint stream = 0;
if (size == SignatureElementSize._7 || size == SignatureElementSize._8)
{
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,
};
uint mask = parameterReader.ReadUInt32();
result.Mask = mask.DecodeValue <ComponentMask>(0, 7);
result.ReadWriteMask = mask.DecodeValue <ComponentMask>(8, 15);
if (size == SignatureElementSize._8)
{
MinPrecision minPrecision = (MinPrecision)parameterReader.ReadUInt32();
result.MinPrecision = minPrecision;
}
// This is my guesswork, but it works so far...
if (chunkType == ChunkType.Osg5 ||
chunkType == ChunkType.Osgn ||
chunkType == ChunkType.Osg1)
{
result.ReadWriteMask = (ComponentMask)(ComponentMask.All - result.ReadWriteMask);
}
return(result);
}
public static SignatureParameterDescription Parse(BytecodeReader reader, BytecodeReader parameterReader,
ChunkType chunkType, SignatureElementSize size, ProgramType programType)
{
uint stream = 0;
if (size == SignatureElementSize._7 || size == SignatureElementSize._8)
{
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,
};
uint mask = parameterReader.ReadUInt32();
result.Mask = mask.DecodeValue <ComponentMask>(0, 7);
result.ReadWriteMask = mask.DecodeValue <ComponentMask>(8, 15);
if (size == SignatureElementSize._8)
{
MinPrecision minPrecision = (MinPrecision)parameterReader.ReadUInt32();
result.MinPrecision = minPrecision;
}
// This is my guesswork, but it works so far...
if (chunkType == ChunkType.Osg5 ||
chunkType == ChunkType.Osgn ||
chunkType == ChunkType.Osg1 ||
(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 || chunkType == ChunkType.Osg1))
{
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;
case "SV_STENCILREF":
result.SystemValueType = Name.StencilRef;
break;
}
}
else if (programType == ProgramType.PixelShader)
{
result.SystemValueType = Name.Target;
}
}
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;
}
