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 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 Span <uint> GetSpan(int index)
{
int operandCount = 0;
for (int i = 0; i < Tokens.Length;)
{
int spanStart = i;
uint token = Tokens[i];
i++;
D3D10OperandNumComponents componentSelection = (D3D10OperandNumComponents)(token & 3);
bool isExtended = (token & 0x80000000) != 0;
if (isExtended)
{
i++;
}
OperandType operandType = (OperandType)((token >> 12) & 0xFF);
if (componentSelection == D3D10OperandNumComponents.Operand1Component)
{
if (operandType == OperandType.Immediate32)
{
i++;
}
}
else if (componentSelection == D3D10OperandNumComponents.Operand4Component)
{
if (operandType == OperandType.Immediate32)
{
i += 4;
}
}
int indexDimension = (int)((token >> 20) & 3);
for (int r = 0; r < indexDimension; r++)
{
D3D10OperandIndexRepresentation indexRepresentation = (D3D10OperandIndexRepresentation)((token >> (22 + r * 3)) & 7);
if (indexRepresentation == D3D10OperandIndexRepresentation.Immediate32)
{
i++;
}
else
{
throw new NotImplementedException();
}
}
if (operandCount == index)
{
return(new Span <uint>(Tokens, spanStart, i - spanStart));
}
operandCount++;
}
return(new Span <uint>(Tokens, 0, 1));
}
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();
}
