public override int GetSourceSwizzle(int srcIndex)
{
D3D10OperandNumComponents componentSelection = GetOperandComponentSelection(srcIndex);
if (componentSelection == D3D10OperandNumComponents.Operand1Component)
{
return((0 << 0) | (1 << 2) | (2 << 4) | (3 << 6));
}
else if (componentSelection == D3D10OperandNumComponents.Operand4Component)
{
D3D10ComponentSelectionMode selectionMode = GetOperandComponentSelectionMode(srcIndex);
if (selectionMode == D3D10ComponentSelectionMode.Mask)
{
return((0 << 0) | (1 << 2) | (2 << 4) | (3 << 6));
}
else if (selectionMode == D3D10ComponentSelectionMode.Swizzle)
{
Span <uint> span = OperandTokens.GetSpan(srcIndex);
return((int)((span[0] >> 4) & 0xFF));
}
else if (selectionMode == D3D10ComponentSelectionMode.Select1)
{
Span <uint> span = OperandTokens.GetSpan(srcIndex);
int component = (int)((span[0] >> 4) & 3);
return(component * 0x55);
}
}
throw new NotImplementedException();
}
public override string GetDeclSemantic()
{
string name;
switch (GetOperandType(0))
{
case OperandType.Input:
name = "SV_Position";
break;
case OperandType.Output:
name = "SV_Target";
break;
default:
throw new NotImplementedException();
}
int declIndex = (int)OperandTokens.GetSpan(0)[1];
if (declIndex != 0)
{
name += declIndex;
}
return(name);
}
private int GetOperandComponentSwizzle(int index, int component)
{
D3D10OperandNumComponents componentSelection = GetOperandComponentSelection(index);
if (componentSelection == D3D10OperandNumComponents.Operand4Component)
{
D3D10ComponentSelectionMode selectionMode = GetOperandComponentSelectionMode(index);
if (selectionMode == D3D10ComponentSelectionMode.Mask)
{
Span <uint> span = OperandTokens.GetSpan(index);
int mask = (int)((span[0] >> 4) & 0xF);
throw new NotImplementedException();
//return component;
}
else if (selectionMode == D3D10ComponentSelectionMode.Swizzle)
{
Span <uint> span = OperandTokens.GetSpan(index);
int swizzle = (int)((span[0] >> 2) & 3);
return((swizzle >> (2 * component)) & 3);
}
else if (selectionMode == D3D10ComponentSelectionMode.Select1)
{
throw new NotImplementedException();
}
}
throw new NotImplementedException();
}
public D3D10OperandModifier GetOperandModifier(int index)
{
Span <uint> span = OperandTokens.GetSpan(index);
if ((span[0] & 0x80000000f) == 0)
{
throw new InvalidOperationException();
}
return((D3D10OperandModifier)((span[1] >> 6) & 0xFF));
}
public override int GetParamRegisterNumber(int index)
{
Span <uint> span = OperandTokens.GetSpan(index);
bool isExtended = (span[0] & 0x80000000) != 0;
if (isExtended)
{
return((int)span[2]);
}
return((int)span[1]);
}
private byte[] GetOperandValueBytes(int index, int componentIndex)
{
Span <uint> span = OperandTokens.GetSpan(index);
uint value;
if (Opcode == D3D10Opcode.DclTemps)
{
value = span[0];
}
else
{
var componentSelection = GetOperandComponentSelection(index);
if (componentSelection == D3D10OperandNumComponents.Operand1Component)
{
value = span[1];
}
else
{
value = span[1 + componentIndex];
}
}
return(BitConverter.GetBytes(value));
}
public override int GetDestinationWriteMask()
{
int destinationParamIndex = GetDestinationParamIndex();
D3D10OperandNumComponents componentSelection = GetOperandComponentSelection(destinationParamIndex);
if (componentSelection == D3D10OperandNumComponents.Operand4Component)
{
D3D10ComponentSelectionMode selectionMode = GetOperandComponentSelectionMode(destinationParamIndex);
if (selectionMode == D3D10ComponentSelectionMode.Mask)
{
Span <uint> span = OperandTokens.GetSpan(destinationParamIndex);
int mask = (int)((span[0] >> 4) & 0xF);
return(mask);
}
else if (selectionMode == D3D10ComponentSelectionMode.Swizzle)
{
int mask = 0;
int dimension = GetOperandIndexDimension(destinationParamIndex);
for (int i = 0; i < dimension; i++)
{
int swizzle = GetOperandComponentSwizzle(destinationParamIndex, i);
if (swizzle != i)
{
mask |= 1 << swizzle;
}
}
return(mask);
}
else if (selectionMode == D3D10ComponentSelectionMode.Select1)
{
throw new NotImplementedException();
}
}
throw new NotImplementedException();
}
public OperandType GetOperandType(int index)
{
Span <uint> span = OperandTokens.GetSpan(index);
return((OperandType)((span[0] >> 12) & 0xFF));
}
private D3D10ComponentSelectionMode GetOperandComponentSelectionMode(int index)
{
Span <uint> span = OperandTokens.GetSpan(index);
return((D3D10ComponentSelectionMode)((span[0] >> 2) & 3));
}
public D3D10OperandNumComponents GetOperandComponentSelection(int index)
{
Span <uint> span = OperandTokens.GetSpan(index);
return((D3D10OperandNumComponents)(span[0] & 3));
}
private int GetOperandIndexDimension(int index)
{
Span <uint> span = OperandTokens.GetSpan(index);
return((int)((span[0] >> 20) & 3));
}
private D3D10InterpolationMode GetInterpolationMode()
{
Span <uint> span = OperandTokens.GetSpan(0);
return((D3D10InterpolationMode)((span[0] >> 11) & 0xF));
}
