at</td><td class="ColD">none</td><td class="ColE"><a name="gg.shader">Enable specified OpenGL shader.</a><p>Obviously, this will only work with the OpenGL "video.driver" setting, and only on cards 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 "&lt;system&gt;.videoip" setting is ignored.</p><ul><li><b>none</b> - None/Disabled<br></li><br><li><b>autoip</b> - Auto Interpolation<br>