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();
}
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 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();
}