 and OpenGL implementations that support shaders, otherwise you will get a black screen, or Mednafen may display an error message when starting up. When a shader is enabled, the "<system>.videoip" setting is ignored.</p><ul><li><b>none</b> - None/Disabled<br></li><br><li><b>autoip</b> - Auto Interpolation<br>Will automatically interpolate on each axis if the corresponding effective scaling factor is not an integer.</li><br><li><b>autoipsharper</b> - Sharper Auto Interpolation<br>Same as "autoip", but when i