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 CAD / Development / Organizations / LDraw / 3112
    Re: Ideas for next MOTM contest —Travis Cobbs
   (...) The technical detail is that LDView requires the video card/video driver to support the WGL_ARB_multisample OpenGL extension. The MX cards don't support that. (I think this is because they only support supersample antialiasing.) However, if (...) (21 years ago, 26-May-04, to lugnet.cad.dev.org.ldraw)
   
        Re: Ideas for next MOTM contest —Don Heyse
   (...) What's the difference between supersample and multisample antialiasing? There was a setting in the control panel about some sort of ***sample antialiasing, but I was afraid to change it because it gave a sharp warning when I selected it. (...) (...) (21 years ago, 26-May-04, to lugnet.cad.dev.org.ldraw)
   
        Re: Ideas for next MOTM contest —Travis Cobbs
   (...) The difference is that multisample AA only samples the texture once per pixel, while supersample samples the texture once per sample. This makes multi-sample AA significantly faster any time you're in a fill-rate limited situation. (...) (21 years ago, 26-May-04, to lugnet.cad.dev.org.ldraw)
   
        Re: Ideas for next MOTM contest —Don Heyse
   (...) I thought we fixed that. (2 URLs) (...) Nope. I have the same problem. Possibly even worse with antialiased lines. I give them an extra bump forward beyond the polygon offset. More bits in your Z buffer reduces the symptoms somewhat. (21 years ago, 26-May-04, to lugnet.cad.dev.org.ldraw)
   
        Re: Ideas for next MOTM contest —Don Heyse
   (...) Oh yeah, and bringing in the near and far clip planes also helps, especially with a perspective projection. Orthographic projections give me less of a problem with the Z-bleeding. Maybe you should add an ortho mode. Don (21 years ago, 26-May-04, to lugnet.cad.dev.org.ldraw)
 

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