public static string GetDescription(this ComponentMask value)
{
string result = string.Empty;
result += (value.HasFlag(ComponentMask.X)) ? "x" : " ";
result += (value.HasFlag(ComponentMask.Y)) ? "y" : " ";
result += (value.HasFlag(ComponentMask.Z)) ? "z" : " ";
result += (value.HasFlag(ComponentMask.W)) ? "w" : " ";
return(result);
}
public void WriteMaskedValue(Number4 value, ComponentMask mask)
{
if (mask.HasFlag(ComponentMask.X))
{
Number0 = value.Number0;
}
if (mask.HasFlag(ComponentMask.Y))
{
Number1 = value.Number1;
}
if (mask.HasFlag(ComponentMask.Z))
{
Number2 = value.Number2;
}
if (mask.HasFlag(ComponentMask.W))
{
Number3 = value.Number3;
}
}
public Number GetMaskedNumber(ComponentMask mask)
{
if (mask.HasFlag(ComponentMask.X))
{
return(Number0);
}
if (mask.HasFlag(ComponentMask.Y))
{
return(Number1);
}
if (mask.HasFlag(ComponentMask.Z))
{
return(Number2);
}
if (mask.HasFlag(ComponentMask.W))
{
return(Number3);
}
throw new ArgumentOutOfRangeException("mask");
}
public static string GetDescription(this ComponentMask value)
{
string result = string.Empty;
if (value.HasFlag(ComponentMask.X))
{
result += "x";
}
if (value.HasFlag(ComponentMask.Y))
{
result += "y";
}
if (value.HasFlag(ComponentMask.Z))
{
result += "z";
}
if (value.HasFlag(ComponentMask.W))
{
result += "w";
}
return(result);
}
public static int GetNumSwizzleElementsWithMask(this Operand operand, ComponentMask mask)
{
switch (operand.OperandType)
{
case OperandType.InputThreadIDInGroupFlattened:
return(1);
case OperandType.InputThreadIDInGroup:
case OperandType.InputThreadID:
case OperandType.InputThreadGroupID:
return(operand.NumComponents);
case OperandType.Immediate32:
case OperandType.Immediate64:
case OperandType.OutputDepthGreaterEqual:
case OperandType.OutputDepthLessEqual:
case OperandType.OutputDepth:
// Translate numComponents into bitmask
// 1 -> 1, 2 -> 3, 3 -> 7 and 4 -> 15
ComponentMask compMask = (ComponentMask)(1 << operand.NumComponents) - 1;
compMask &= mask;
return(compMask.GetNumberOfFlagsSet());
}
int count = 0;
if (operand.NumComponents != 1)
{
if (operand.SelectionMode == Operand4ComponentSelectionMode.Mask)
{
var compMask = operand.ComponentMask & mask;
if (compMask == ComponentMask.All)
{
return(4);
}
if (compMask.HasFlag(ComponentMask.X))
{
count++;
}
if (compMask.HasFlag(ComponentMask.Y))
{
count++;
}
if (compMask.HasFlag(ComponentMask.Z))
{
count++;
}
if (compMask.HasFlag(ComponentMask.W))
{
count++;
}
}
else if (operand.SelectionMode == Operand4ComponentSelectionMode.Swizzle)
{
for (int i = 0; i < 4; i++)
{
if (((int)mask & (1 << i)) == 0)
{
continue;
}
if (operand.Swizzles[0] == Operand4ComponentName.X)
{
count++;
}
if (operand.Swizzles[0] == Operand4ComponentName.Y)
{
count++;
}
if (operand.Swizzles[0] == Operand4ComponentName.Z)
{
count++;
}
if (operand.Swizzles[0] == Operand4ComponentName.W)
{
count++;
}
}
}
else if (operand.SelectionMode == Operand4ComponentSelectionMode.Select1)
{
if (operand.Swizzles[0] == Operand4ComponentName.X && mask.HasFlag(ComponentMask.X))
{
count++;
}
if (operand.Swizzles[0] == Operand4ComponentName.Y && mask.HasFlag(ComponentMask.Y))
{
count++;
}
if (operand.Swizzles[0] == Operand4ComponentName.Z && mask.HasFlag(ComponentMask.Z))
{
count++;
}
if (operand.Swizzles[0] == Operand4ComponentName.W && mask.HasFlag(ComponentMask.W))
{
count++;
}
}
}
if (count == 0)
{
var compMask = (ComponentMask)((1 << operand.NumComponents) - 1);
compMask &= mask;
return(compMask.GetNumberOfFlagsSet());
}
return(count);
}
public void WriteMaskedValue(Number4 value, ComponentMask mask)
{
if (mask.HasFlag(ComponentMask.X))
Number0 = value.Number0;
if (mask.HasFlag(ComponentMask.Y))
Number1 = value.Number1;
if (mask.HasFlag(ComponentMask.Z))
Number2 = value.Number2;
if (mask.HasFlag(ComponentMask.W))
Number3 = value.Number3;
}
public Number GetMaskedNumber(ComponentMask mask)
{
if (mask.HasFlag(ComponentMask.X))
return Number0;
if (mask.HasFlag(ComponentMask.Y))
return Number1;
if (mask.HasFlag(ComponentMask.Z))
return Number2;
if (mask.HasFlag(ComponentMask.W))
return Number3;
throw new ArgumentOutOfRangeException("mask");
}
