public Vector4 FS(SystemPosition4 input)
{
Vector4 ret = Vector4.Zero;
if (IsFrontFace)
{
ret += Vector4.One;
}
// Ddx
float r = Ddx(ret.X);
Vector2 r2 = Ddx(ret.XY());
Vector3 r3 = Ddx(ret.XYZ());
Vector4 r4 = Ddx(ret);
// DdxFine
r = DdxFine(ret.X);
r2 = DdxFine(ret.XY());
r3 = DdxFine(ret.XYZ());
r4 = DdxFine(ret);
// Ddy
r = Ddy(ret.X);
r2 = Ddy(ret.XY());
r3 = Ddy(ret.XYZ());
r4 = Ddy(ret);
// DdyFine
r = DdyFine(ret.X);
r2 = DdyFine(ret.XY());
r3 = DdyFine(ret.XYZ());
r4 = DdyFine(ret);
return(ret);
}
Vector4 FS(SystemPosition4 input)
{
Vector2 v2 = new Vector2(FS_M0.M11, FS_M1.M22);
v2.X += GetIndirectOffset();
return(Sample(FS_T0, FS_S0, v2));
}
public DualOutput FS(SystemPosition4 input)
{
DualOutput output;
output.FirstOutput = new Vector4(input.Position.X, input.Position.Y, input.Position.Z, 1);
output.SecondOutput = new Vector4(input.Position.Z, input.Position.X, input.Position.Y, 1);
return(output);
}
public Vector4 FS(SystemPosition4 input)
{
Vector4 ret = Vector4.Zero;
if (IsFrontFace)
{
ret += Vector4.One;
}
return(ret);
}
Vector4 FS(SystemPosition4 input)
{
return(input.Position);
}