public static ShaderInputElementSpec CreateSpec(this ShaderInputElementPurpose purpose)
{
switch (purpose)
{
case ShaderInputElementPurpose.Position:
return(new ShaderInputElementSpec(ShaderInputElementFormat.Float4, purpose));
case ShaderInputElementPurpose.Normal:
return(new ShaderInputElementSpec(ShaderInputElementFormat.Float4, purpose));
case ShaderInputElementPurpose.TextureCoordinate:
return(new ShaderInputElementSpec(ShaderInputElementFormat.Float2, purpose));
case ShaderInputElementPurpose.Color:
return(new ShaderInputElementSpec(ShaderInputElementFormat.Float4, purpose));
default:
throw new NotSupportedException("Cannot automatically generate input element spec from this value");
}
}
public ShaderInputElementSpec(ShaderInputElementFormat format, ShaderInputElementPurpose purpose)
{
Format = format;
Purpose = purpose;
}
public ShaderInputElementSpec(ShaderInputElementFormat format)
{
Format = format;
Purpose = ShaderInputElementPurpose.Custom;
}
public ShaderInputElementSpec(ShaderInputElementFormat format, ShaderInputElementPurpose purpose)
{
Format = format;
Purpose = purpose;
}